diff options
Diffstat (limited to 'arch/arm/mach-at91')
37 files changed, 3513 insertions, 492 deletions
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index 074dcd5d9a7..5bad6b9b00d 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -12,18 +12,33 @@ config ARCH_AT91RM9200 config ARCH_AT91SAM9260 bool "AT91SAM9260 or AT91SAM9XE" + select GENERIC_TIME + select GENERIC_CLOCKEVENTS config ARCH_AT91SAM9261 bool "AT91SAM9261" + select GENERIC_TIME + select GENERIC_CLOCKEVENTS config ARCH_AT91SAM9263 bool "AT91SAM9263" + select GENERIC_TIME + select GENERIC_CLOCKEVENTS config ARCH_AT91SAM9RL bool "AT91SAM9RL" + select GENERIC_TIME + select GENERIC_CLOCKEVENTS + +config ARCH_AT91SAM9G20 + bool "AT91SAM9G20" + select GENERIC_TIME + select GENERIC_CLOCKEVENTS config ARCH_AT91CAP9 bool "AT91CAP9" + select GENERIC_TIME + select GENERIC_CLOCKEVENTS config ARCH_AT91X40 bool "AT91x40" @@ -109,6 +124,19 @@ config MACH_KAFA help Select this if you are using Sperry-Sun's KAFA board. +config MACH_ECBAT91 + bool "emQbit ECB_AT91 SBC" + depends on ARCH_AT91RM9200 + help + Select this if you are using emQbit's ECB_AT91 board. + <http://wiki.emqbit.com/free-ecb-at91> + +config MACH_YL9200 + bool "ucDragon YL-9200" + depends on ARCH_AT91RM9200 + help + Select this if you are using the ucDragon YL-9200 board. + endif # ---------------------------------------------------------- @@ -133,6 +161,34 @@ config MACH_AT91SAM9260EK Select this if you are using Atmel's AT91SAM9260-EK or AT91SAM9XE Evaluation Kit <http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3933> +config MACH_CAM60 + bool "KwikByte KB9260 (CAM60) board" + depends on ARCH_AT91SAM9260 + help + Select this if you are using KwikByte's KB9260 (CAM60) board based on the Atmel AT91SAM9260. + <http://www.kwikbyte.com/KB9260.html> + +config MACH_SAM9_L9260 + bool "Olimex SAM9-L9260 board" + depends on ARCH_AT91SAM9260 + help + Select this if you are using Olimex's SAM9-L9260 board based on the Atmel AT91SAM9260. + <http://www.olimex.com/dev/sam9-L9260.html> + +config MACH_USB_A9260 + bool "CALAO USB-A9260" + depends on ARCH_AT91SAM9260 + help + Select this if you are using a Calao Systems USB-A9260. + <http://www.calao-systems.com> + +config MACH_QIL_A9260 + bool "CALAO QIL-A9260 board" + depends on ARCH_AT91SAM9260 + help + Select this if you are using a Calao Systems QIL-A9260 Board. + <http://www.calao-systems.com> + endif # ---------------------------------------------------------- @@ -163,6 +219,13 @@ config MACH_AT91SAM9263EK Select this if you are using Atmel's AT91SAM9263-EK Evaluation Kit. <http://www.atmel.com/dyn/products/tools_card.asp?tool_id=4057> +config MACH_USB_A9263 + bool "CALAO USB-A9263" + depends on ARCH_AT91SAM9263 + help + Select this if you are using a Calao Systems USB-A9263. + <http://www.calao-systems.com> + endif # ---------------------------------------------------------- @@ -181,6 +244,20 @@ endif # ---------------------------------------------------------- +if ARCH_AT91SAM9G20 + +comment "AT91SAM9G20 Board Type" + +config MACH_AT91SAM9G20EK + bool "Atmel AT91SAM9G20-EK Evaluation Kit" + depends on ARCH_AT91SAM9G20 + help + Select this if you are using Atmel's AT91SAM9G20-EK Evaluation Kit. + +endif + +# ---------------------------------------------------------- + if ARCH_AT91CAP9 comment "AT91CAP9 Board Type" @@ -216,13 +293,13 @@ comment "AT91 Board Options" config MTD_AT91_DATAFLASH_CARD bool "Enable DataFlash Card support" - depends on (ARCH_AT91RM9200DK || MACH_AT91RM9200EK || MACH_AT91SAM9260EK || MACH_AT91SAM9261EK || MACH_AT91SAM9263EK || MACH_AT91CAP9ADK) + depends on (ARCH_AT91RM9200DK || MACH_AT91RM9200EK || MACH_AT91SAM9260EK || MACH_AT91SAM9261EK || MACH_AT91SAM9263EK || MACH_AT91SAM9G20EK || MACH_ECBAT91 || MACH_SAM9_L9260 || MACH_AT91CAP9ADK) help Enable support for the DataFlash card. config MTD_NAND_AT91_BUSWIDTH_16 bool "Enable 16-bit data bus interface to NAND flash" - depends on (MACH_AT91SAM9260EK || MACH_AT91SAM9261EK || MACH_AT91SAM9263EK || MACH_AT91CAP9ADK) + depends on (MACH_AT91SAM9260EK || MACH_AT91SAM9261EK || MACH_AT91SAM9263EK || MACH_AT91SAM9G20EK || MACH_AT91CAP9ADK) help On AT91SAM926x boards both types of NAND flash can be present (8 and 16 bit data bus width). @@ -271,15 +348,15 @@ config AT91_EARLY_USART2 config AT91_EARLY_USART3 bool "USART3" - depends on (ARCH_AT91RM9200 || ARCH_AT91SAM9RL || ARCH_AT91SAM9260) + depends on (ARCH_AT91RM9200 || ARCH_AT91SAM9RL || ARCH_AT91SAM9260 || ARCH_AT91SAM9G20) config AT91_EARLY_USART4 bool "USART4" - depends on ARCH_AT91SAM9260 + depends on ARCH_AT91SAM9260 || ARCH_AT91SAM9G20 config AT91_EARLY_USART5 bool "USART5" - depends on ARCH_AT91SAM9260 + depends on ARCH_AT91SAM9260 || ARCH_AT91SAM9G20 endchoice diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile index bf5f293dccf..7d641f97516 100644 --- a/arch/arm/mach-at91/Makefile +++ b/arch/arm/mach-at91/Makefile @@ -15,6 +15,7 @@ obj-$(CONFIG_ARCH_AT91SAM9260) += at91sam9260.o at91sam926x_time.o at91sam9260_d obj-$(CONFIG_ARCH_AT91SAM9261) += at91sam9261.o at91sam926x_time.o at91sam9261_devices.o obj-$(CONFIG_ARCH_AT91SAM9263) += at91sam9263.o at91sam926x_time.o at91sam9263_devices.o obj-$(CONFIG_ARCH_AT91SAM9RL) += at91sam9rl.o at91sam926x_time.o at91sam9rl_devices.o +obj-$(CONFIG_ARCH_AT91SAM9G20) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o obj-$(CONFIG_ARCH_AT91CAP9) += at91cap9.o at91sam926x_time.o at91cap9_devices.o obj-$(CONFIG_ARCH_AT91X40) += at91x40.o at91x40_time.o @@ -29,19 +30,29 @@ obj-$(CONFIG_MACH_KB9200) += board-kb9202.o obj-$(CONFIG_MACH_ATEB9200) += board-eb9200.o obj-$(CONFIG_MACH_KAFA) += board-kafa.o obj-$(CONFIG_MACH_PICOTUX2XX) += board-picotux200.o +obj-$(CONFIG_MACH_ECBAT91) += board-ecbat91.o +obj-$(CONFIG_MACH_YL9200) += board-yl-9200.o # AT91SAM9260 board-specific support obj-$(CONFIG_MACH_AT91SAM9260EK) += board-sam9260ek.o +obj-$(CONFIG_MACH_CAM60) += board-cam60.o +obj-$(CONFIG_MACH_SAM9_L9260) += board-sam9-l9260.o +obj-$(CONFIG_MACH_USB_A9260) += board-usb-a9260.o +obj-$(CONFIG_MACH_QIL_A9260) += board-qil-a9260.o # AT91SAM9261 board-specific support obj-$(CONFIG_MACH_AT91SAM9261EK) += board-sam9261ek.o # AT91SAM9263 board-specific support obj-$(CONFIG_MACH_AT91SAM9263EK) += board-sam9263ek.o +obj-$(CONFIG_MACH_USB_A9263) += board-usb-a9263.o # AT91SAM9RL board-specific support obj-$(CONFIG_MACH_AT91SAM9RLEK) += board-sam9rlek.o +# AT91SAM9G20 board-specific support +obj-$(CONFIG_MACH_AT91SAM9G20EK) += board-sam9g20ek.o + # AT91CAP9 board-specific support obj-$(CONFIG_MACH_AT91CAP9ADK) += board-cap9adk.o diff --git a/arch/arm/mach-at91/at91cap9.c b/arch/arm/mach-at91/at91cap9.c index 48d27d8000b..933fa8f55cb 100644 --- a/arch/arm/mach-at91/at91cap9.c +++ b/arch/arm/mach-at91/at91cap9.c @@ -13,12 +13,14 @@ */ #include <linux/module.h> +#include <linux/pm.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/arch/at91cap9.h> #include <asm/arch/at91_pmc.h> #include <asm/arch/at91_rstc.h> +#include <asm/arch/at91_shdwc.h> #include "generic.h" #include "clock.h" @@ -288,6 +290,12 @@ static void at91cap9_reset(void) at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); } +static void at91cap9_poweroff(void) +{ + at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW); +} + + /* -------------------------------------------------------------------- * AT91CAP9 processor initialization * -------------------------------------------------------------------- */ @@ -298,6 +306,7 @@ void __init at91cap9_initialize(unsigned long main_clock) iotable_init(at91cap9_io_desc, ARRAY_SIZE(at91cap9_io_desc)); at91_arch_reset = at91cap9_reset; + pm_power_off = at91cap9_poweroff; at91_extern_irq = (1 << AT91CAP9_ID_IRQ0) | (1 << AT91CAP9_ID_IRQ1); /* Init clock subsystem */ diff --git a/arch/arm/mach-at91/at91cap9_devices.c b/arch/arm/mach-at91/at91cap9_devices.c index c50fad9cd14..747b9dedab8 100644 --- a/arch/arm/mach-at91/at91cap9_devices.c +++ b/arch/arm/mach-at91/at91cap9_devices.c @@ -16,15 +16,15 @@ #include <linux/dma-mapping.h> #include <linux/platform_device.h> -#include <linux/mtd/physmap.h> +#include <linux/i2c-gpio.h> #include <video/atmel_lcdc.h> #include <asm/arch/board.h> #include <asm/arch/gpio.h> #include <asm/arch/at91cap9.h> -#include <asm/arch/at91sam926x_mc.h> #include <asm/arch/at91cap9_matrix.h> +#include <asm/arch/at91sam9_smc.h> #include "generic.h" @@ -84,6 +84,105 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {} /* -------------------------------------------------------------------- + * USB HS Device (Gadget) + * -------------------------------------------------------------------- */ + +#if defined(CONFIG_USB_GADGET_ATMEL_USBA) || defined(CONFIG_USB_GADGET_ATMEL_USBA_MODULE) + +static struct resource usba_udc_resources[] = { + [0] = { + .start = AT91CAP9_UDPHS_FIFO, + .end = AT91CAP9_UDPHS_FIFO + SZ_512K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91CAP9_BASE_UDPHS, + .end = AT91CAP9_BASE_UDPHS + SZ_1K - 1, + .flags = IORESOURCE_MEM, + }, + [2] = { + .start = AT91CAP9_ID_UDPHS, + .end = AT91CAP9_ID_UDPHS, + .flags = IORESOURCE_IRQ, + }, +}; + +#define EP(nam, idx, maxpkt, maxbk, dma, isoc) \ + [idx] = { \ + .name = nam, \ + .index = idx, \ + .fifo_size = maxpkt, \ + .nr_banks = maxbk, \ + .can_dma = dma, \ + .can_isoc = isoc, \ + } + +static struct usba_ep_data usba_udc_ep[] = { + EP("ep0", 0, 64, 1, 0, 0), + EP("ep1", 1, 1024, 3, 1, 1), + EP("ep2", 2, 1024, 3, 1, 1), + EP("ep3", 3, 1024, 2, 1, 1), + EP("ep4", 4, 1024, 2, 1, 1), + EP("ep5", 5, 1024, 2, 1, 0), + EP("ep6", 6, 1024, 2, 1, 0), + EP("ep7", 7, 1024, 2, 0, 0), +}; + +#undef EP + +/* + * pdata doesn't have room for any endpoints, so we need to + * append room for the ones we need right after it. + */ +static struct { + struct usba_platform_data pdata; + struct usba_ep_data ep[8]; +} usba_udc_data; + +static struct platform_device at91_usba_udc_device = { + .name = "atmel_usba_udc", + .id = -1, + .dev = { + .platform_data = &usba_udc_data.pdata, + }, + .resource = usba_udc_resources, + .num_resources = ARRAY_SIZE(usba_udc_resources), +}; + +void __init at91_add_device_usba(struct usba_platform_data *data) +{ + at91_sys_write(AT91_MATRIX_UDPHS, AT91_MATRIX_SELECT_UDPHS | + AT91_MATRIX_UDPHS_BYPASS_LOCK); + + /* + * Invalid pins are 0 on AT91, but the usba driver is shared + * with AVR32, which use negative values instead. Once/if + * gpio_is_valid() is ported to AT91, revisit this code. + */ + usba_udc_data.pdata.vbus_pin = -EINVAL; + usba_udc_data.pdata.num_ep = ARRAY_SIZE(usba_udc_ep); + memcpy(usba_udc_data.ep, usba_udc_ep, sizeof(usba_udc_ep));; + + if (data && data->vbus_pin > 0) { + at91_set_gpio_input(data->vbus_pin, 0); + at91_set_deglitch(data->vbus_pin, 1); + usba_udc_data.pdata.vbus_pin = data->vbus_pin; + } + + /* Pullup pin is handled internally by USB device peripheral */ + + /* Clocks */ + at91_clock_associate("utmi_clk", &at91_usba_udc_device.dev, "hclk"); + at91_clock_associate("udphs_clk", &at91_usba_udc_device.dev, "pclk"); + + platform_device_register(&at91_usba_udc_device); +} +#else +void __init at91_add_device_usba(struct usba_platform_data *data) {} +#endif + + +/* -------------------------------------------------------------------- * Ethernet * -------------------------------------------------------------------- */ @@ -246,7 +345,7 @@ void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) } mmc0_data = *data; - at91_clock_associate("mci0_clk", &at91cap9_mmc1_device.dev, "mci_clk"); + at91_clock_associate("mci0_clk", &at91cap9_mmc0_device.dev, "mci_clk"); platform_device_register(&at91cap9_mmc0_device); } else { /* MCI1 */ /* CLK */ @@ -283,10 +382,15 @@ static struct at91_nand_data nand_data; #define NAND_BASE AT91_CHIPSELECT_3 static struct resource nand_resources[] = { - { + [0] = { .start = NAND_BASE, .end = NAND_BASE + SZ_256M - 1, .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91_BASE_SYS + AT91_ECC, + .end = AT91_BASE_SYS + AT91_ECC + SZ_512 - 1, + .flags = IORESOURCE_MEM, } }; @@ -344,6 +448,7 @@ void __init at91_add_device_nand(struct at91_nand_data *data) void __init at91_add_device_nand(struct at91_nand_data *data) {} #endif + /* -------------------------------------------------------------------- * TWI (i2c) * -------------------------------------------------------------------- */ @@ -532,13 +637,59 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) /* -------------------------------------------------------------------- + * Timer/Counter block + * -------------------------------------------------------------------- */ + +#ifdef CONFIG_ATMEL_TCLIB + +static struct resource tcb_resources[] = { + [0] = { + .start = AT91CAP9_BASE_TCB0, + .end = AT91CAP9_BASE_TCB0 + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91CAP9_ID_TCB, + .end = AT91CAP9_ID_TCB, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device at91cap9_tcb_device = { + .name = "atmel_tcb", + .id = 0, + .resource = tcb_resources, + .num_resources = ARRAY_SIZE(tcb_resources), +}; + +static void __init at91_add_device_tc(void) +{ + /* this chip has one clock and irq for all three TC channels */ + at91_clock_associate("tcb_clk", &at91cap9_tcb_device.dev, "t0_clk"); + platform_device_register(&at91cap9_tcb_device); +} +#else +static void __init at91_add_device_tc(void) { } +#endif + + +/* -------------------------------------------------------------------- * RTT * -------------------------------------------------------------------- */ +static struct resource rtt_resources[] = { + { + .start = AT91_BASE_SYS + AT91_RTT, + .end = AT91_BASE_SYS + AT91_RTT + SZ_16 - 1, + .flags = IORESOURCE_MEM, + } +}; + static struct platform_device at91cap9_rtt_device = { .name = "at91_rtt", - .id = -1, - .num_resources = 0, + .id = 0, + .resource = rtt_resources, + .num_resources = ARRAY_SIZE(rtt_resources), }; static void __init at91_add_device_rtt(void) @@ -990,7 +1141,7 @@ static inline void configure_usart2_pins(unsigned pins) at91_set_B_periph(AT91_PIN_PD6, 0); /* CTS2 */ } -static struct platform_device *at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ +static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ struct platform_device *atmel_default_console_device; /* the serial console device */ void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) @@ -1031,8 +1182,6 @@ void __init at91_set_serial_console(unsigned portnr) { if (portnr < ATMEL_MAX_UART) atmel_default_console_device = at91_uarts[portnr]; - if (!atmel_default_console_device) - printk(KERN_INFO "AT91: No default serial console defined.\n"); } void __init at91_add_device_serial(void) @@ -1043,6 +1192,9 @@ void __init at91_add_device_serial(void) if (at91_uarts[i]) platform_device_register(at91_uarts[i]); } + + if (!atmel_default_console_device) + printk(KERN_INFO "AT91: No default serial console defined.\n"); } #else void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {} @@ -1060,6 +1212,7 @@ static int __init at91_add_standard_devices(void) { at91_add_device_rtt(); at91_add_device_watchdog(); + at91_add_device_tc(); return 0; } diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c index ef6aeb86e98..de19bee83f7 100644 --- a/arch/arm/mach-at91/at91rm9200_devices.c +++ b/arch/arm/mach-at91/at91rm9200_devices.c @@ -577,6 +577,90 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) /* -------------------------------------------------------------------- + * Timer/Counter blocks + * -------------------------------------------------------------------- */ + +#ifdef CONFIG_ATMEL_TCLIB + +static struct resource tcb0_resources[] = { + [0] = { + .start = AT91RM9200_BASE_TCB0, + .end = AT91RM9200_BASE_TCB0 + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91RM9200_ID_TC0, + .end = AT91RM9200_ID_TC0, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = AT91RM9200_ID_TC1, + .end = AT91RM9200_ID_TC1, + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = AT91RM9200_ID_TC2, + .end = AT91RM9200_ID_TC2, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device at91rm9200_tcb0_device = { + .name = "atmel_tcb", + .id = 0, + .resource = tcb0_resources, + .num_resources = ARRAY_SIZE(tcb0_resources), +}; + +static struct resource tcb1_resources[] = { + [0] = { + .start = AT91RM9200_BASE_TCB1, + .end = AT91RM9200_BASE_TCB1 + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91RM9200_ID_TC3, + .end = AT91RM9200_ID_TC3, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = AT91RM9200_ID_TC4, + .end = AT91RM9200_ID_TC4, + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = AT91RM9200_ID_TC5, + .end = AT91RM9200_ID_TC5, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device at91rm9200_tcb1_device = { + .name = "atmel_tcb", + .id = 1, + .resource = tcb1_resources, + .num_resources = ARRAY_SIZE(tcb1_resources), +}; + +static void __init at91_add_device_tc(void) +{ + /* this chip has a separate clock and irq for each TC channel */ + at91_clock_associate("tc0_clk", &at91rm9200_tcb0_device.dev, "t0_clk"); + at91_clock_associate("tc1_clk", &at91rm9200_tcb0_device.dev, "t1_clk"); + at91_clock_associate("tc2_clk", &at91rm9200_tcb0_device.dev, "t2_clk"); + platform_device_register(&at91rm9200_tcb0_device); + + at91_clock_associate("tc3_clk", &at91rm9200_tcb1_device.dev, "t0_clk"); + at91_clock_associate("tc4_clk", &at91rm9200_tcb1_device.dev, "t1_clk"); + at91_clock_associate("tc5_clk", &at91rm9200_tcb1_device.dev, "t2_clk"); + platform_device_register(&at91rm9200_tcb1_device); +} +#else +static void __init at91_add_device_tc(void) { } +#endif + + +/* -------------------------------------------------------------------- * RTC * -------------------------------------------------------------------- */ @@ -1019,7 +1103,7 @@ static inline void configure_usart3_pins(unsigned pins) at91_set_B_periph(AT91_PIN_PB0, 0); /* RTS3 */ } -static struct platform_device *at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ +static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ struct platform_device *atmel_default_console_device; /* the serial console device */ void __init __deprecated at91_init_serial(struct at91_uart_config *config) @@ -1110,8 +1194,6 @@ void __init at91_set_serial_console(unsigned portnr) { if (portnr < ATMEL_MAX_UART) atmel_default_console_device = at91_uarts[portnr]; - if (!atmel_default_console_device) - printk(KERN_INFO "AT91: No default serial console defined.\n"); } void __init at91_add_device_serial(void) @@ -1122,6 +1204,9 @@ void __init at91_add_device_serial(void) if (at91_uarts[i]) platform_device_register(at91_uarts[i]); } + + if (!atmel_default_console_device) + printk(KERN_INFO "AT91: No default serial console defined.\n"); } #else void __init __deprecated at91_init_serial(struct at91_uart_config *config) {} @@ -1141,6 +1226,7 @@ static int __init at91_add_standard_devices(void) { at91_add_device_rtc(); at91_add_device_watchdog(); + at91_add_device_tc(); return 0; } diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c index 18d06612ce8..380f12a1220 100644 --- a/arch/arm/mach-at91/at91sam9260.c +++ b/arch/arm/mach-at91/at91sam9260.c @@ -11,6 +11,7 @@ */ #include <linux/module.h> +#include <linux/pm.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> @@ -18,6 +19,7 @@ #include <asm/arch/at91sam9260.h> #include <asm/arch/at91_pmc.h> #include <asm/arch/at91_rstc.h> +#include <asm/arch/at91_shdwc.h> #include "generic.h" #include "clock.h" @@ -45,6 +47,20 @@ static struct map_desc at91sam9260_sram_desc[] __initdata = { } }; +static struct map_desc at91sam9g20_sram_desc[] __initdata = { + { + .virtual = AT91_IO_VIRT_BASE - AT91SAM9G20_SRAM0_SIZE, + .pfn = __phys_to_pfn(AT91SAM9G20_SRAM0_BASE), + .length = AT91SAM9G20_SRAM0_SIZE, + .type = MT_DEVICE, + }, { + .virtual = AT91_IO_VIRT_BASE - AT91SAM9G20_SRAM0_SIZE - AT91SAM9G20_SRAM1_SIZE, + .pfn = __phys_to_pfn(AT91SAM9G20_SRAM1_BASE), + .length = AT91SAM9G20_SRAM1_SIZE, + .type = MT_DEVICE, + } +}; + static struct map_desc at91sam9xe_sram_desc[] __initdata = { { .pfn = __phys_to_pfn(AT91SAM9XE_SRAM_BASE), @@ -267,6 +283,11 @@ static void at91sam9260_reset(void) at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); } +static void at91sam9260_poweroff(void) +{ + at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW); +} + /* -------------------------------------------------------------------- * AT91SAM9260 processor initialization @@ -300,10 +321,13 @@ void __init at91sam9260_initialize(unsigned long main_clock) if (cpu_is_at91sam9xe()) at91sam9xe_initialize(); + else if (cpu_is_at91sam9g20()) + iotable_init(at91sam9g20_sram_desc, ARRAY_SIZE(at91sam9g20_sram_desc)); else iotable_init(at91sam9260_sram_desc, ARRAY_SIZE(at91sam9260_sram_desc)); at91_arch_reset = at91sam9260_reset; + pm_power_off = at91sam9260_poweroff; at91_extern_irq = (1 << AT91SAM9260_ID_IRQ0) | (1 << AT91SAM9260_ID_IRQ1) | (1 << AT91SAM9260_ID_IRQ2); diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c index 105f8403860..86cba4ac29b 100644 --- a/arch/arm/mach-at91/at91sam9260_devices.c +++ b/arch/arm/mach-at91/at91sam9260_devices.c @@ -18,9 +18,10 @@ #include <asm/arch/board.h> #include <asm/arch/gpio.h> +#include <asm/arch/cpu.h> #include <asm/arch/at91sam9260.h> -#include <asm/arch/at91sam926x_mc.h> #include <asm/arch/at91sam9260_matrix.h> +#include <asm/arch/at91sam9_smc.h> #include "generic.h" @@ -288,10 +289,15 @@ static struct at91_nand_data nand_data; #define NAND_BASE AT91_CHIPSELECT_3 static struct resource nand_resources[] = { - { + [0] = { .start = NAND_BASE, .end = NAND_BASE + SZ_256M - 1, .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91_BASE_SYS + AT91_ECC, + .end = AT91_BASE_SYS + AT91_ECC + SZ_512 - 1, + .flags = IORESOURCE_MEM, } }; @@ -315,20 +321,41 @@ void __init at91_add_device_nand(struct at91_nand_data *data) csa = at91_sys_read(AT91_MATRIX_EBICSA); at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA); - /* set the bus interface characteristics */ - at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0) - | AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0)); + if (cpu_is_at91sam9260()) { + /* Timing for sam9260 */ + /* set the bus interface characteristics */ + at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) + | AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0)); + + at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) + | AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3)); + + at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5)); + + if (data->bus_width_16) + mode = AT91_SMC_DBW_16; + else + mode = AT91_SMC_DBW_8; + at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(2)); + } + + if (cpu_is_at91sam9g20()) { + /* Timing for sam9g20 */ + /* set the bus interface characteristics */ + at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(2) | AT91_SMC_NCS_WRSETUP_(0) + | AT91_SMC_NRDSETUP_(2) | AT91_SMC_NCS_RDSETUP_(0)); - at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) - | AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3)); + at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(4) | AT91_SMC_NCS_WRPULSE_(4) + | AT91_SMC_NRDPULSE_(4) | AT91_SMC_NCS_RDPULSE_(4)); - at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5)); + at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(7) | AT91_SMC_NRDCYCLE_(7)); - if (data->bus_width_16) - mode = AT91_SMC_DBW_16; - else - mode = AT91_SMC_DBW_8; - at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(2)); + if (data->bus_width_16) + mode = AT91_SMC_DBW_16; + else + mode = AT91_SMC_DBW_8; + at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(3)); + } /* enable pin */ if (data->enable_pin) @@ -540,6 +567,90 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) /* -------------------------------------------------------------------- + * Timer/Counter blocks + * -------------------------------------------------------------------- */ + +#ifdef CONFIG_ATMEL_TCLIB + +static struct resource tcb0_resources[] = { + [0] = { + .start = AT91SAM9260_BASE_TCB0, + .end = AT91SAM9260_BASE_TCB0 + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91SAM9260_ID_TC0, + .end = AT91SAM9260_ID_TC0, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = AT91SAM9260_ID_TC1, + .end = AT91SAM9260_ID_TC1, + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = AT91SAM9260_ID_TC2, + .end = AT91SAM9260_ID_TC2, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device at91sam9260_tcb0_device = { + .name = "atmel_tcb", + .id = 0, + .resource = tcb0_resources, + .num_resources = ARRAY_SIZE(tcb0_resources), +}; + +static struct resource tcb1_resources[] = { + [0] = { + .start = AT91SAM9260_BASE_TCB1, + .end = AT91SAM9260_BASE_TCB1 + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91SAM9260_ID_TC3, + .end = AT91SAM9260_ID_TC3, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = AT91SAM9260_ID_TC4, + .end = AT91SAM9260_ID_TC4, + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = AT91SAM9260_ID_TC5, + .end = AT91SAM9260_ID_TC5, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device at91sam9260_tcb1_device = { + .name = "atmel_tcb", + .id = 1, + .resource = tcb1_resources, + .num_resources = ARRAY_SIZE(tcb1_resources), +}; + +static void __init at91_add_device_tc(void) +{ + /* this chip has a separate clock and irq for each TC channel */ + at91_clock_associate("tc0_clk", &at91sam9260_tcb0_device.dev, "t0_clk"); + at91_clock_associate("tc1_clk", &at91sam9260_tcb0_device.dev, "t1_clk"); + at91_clock_associate("tc2_clk", &at91sam9260_tcb0_device.dev, "t2_clk"); + platform_device_register(&at91sam9260_tcb0_device); + + at91_clock_associate("tc3_clk", &at91sam9260_tcb1_device.dev, "t0_clk"); + at91_clock_associate("tc4_clk", &at91sam9260_tcb1_device.dev, "t1_clk"); + at91_clock_associate("tc5_clk", &at91sam9260_tcb1_device.dev, "t2_clk"); + platform_device_register(&at91sam9260_tcb1_device); +} +#else +static void __init at91_add_device_tc(void) { } +#endif + + +/* -------------------------------------------------------------------- * RTT * -------------------------------------------------------------------- */ @@ -553,7 +664,7 @@ static struct resource rtt_resources[] = { static struct platform_device at91sam9260_rtt_device = { .name = "at91_rtt", - .id = -1, + .id = 0, .resource = rtt_resources, .num_resources = ARRAY_SIZE(rtt_resources), }; @@ -962,64 +1073,9 @@ static inline void configure_usart5_pins(void) at91_set_A_periph(AT91_PIN_PB13, 0); /* RXD5 */ } -static struct platform_device *at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ +static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ struct platform_device *atmel_default_console_device; /* the serial console device */ -void __init __deprecated at91_init_serial(struct at91_uart_config *config) -{ - int i; - - /* Fill in list of supported UARTs */ - for (i = 0; i < config->nr_tty; i++) { - switch (config->tty_map[i]) { - case 0: - configure_usart0_pins(ATMEL_UART_CTS | ATMEL_UART_RTS | ATMEL_UART_DSR | ATMEL_UART_DTR | ATMEL_UART_DCD | ATMEL_UART_RI); - at91_uarts[i] = &at91sam9260_uart0_device; - at91_clock_associate("usart0_clk", &at91sam9260_uart0_device.dev, "usart"); - break; - case 1: - configure_usart1_pins(ATMEL_UART_CTS | ATMEL_UART_RTS); - at91_uarts[i] = &at91sam9260_uart1_device; - at91_clock_associate("usart1_clk", &at91sam9260_uart1_device.dev, "usart"); - break; - case 2: - configure_usart2_pins(0); - at91_uarts[i] = &at91sam9260_uart2_device; - at91_clock_associate("usart2_clk", &at91sam9260_uart2_device.dev, "usart"); - break; - case 3: - configure_usart3_pins(0); - at91_uarts[i] = &at91sam9260_uart3_device; - at91_clock_associate("usart3_clk", &at91sam9260_uart3_device.dev, "usart"); - break; - case 4: - configure_usart4_pins(); - at91_uarts[i] = &at91sam9260_uart4_device; - at91_clock_associate("usart4_clk", &at91sam9260_uart4_device.dev, "usart"); - break; - case 5: - configure_usart5_pins(); - at91_uarts[i] = &at91sam9260_uart5_device; - at91_clock_associate("usart5_clk", &at91sam9260_uart5_device.dev, "usart"); - break; - case 6: - configure_dbgu_pins(); - at91_uarts[i] = &at91sam9260_dbgu_device; - at91_clock_associate("mck", &at91sam9260_dbgu_device.dev, "usart"); - break; - default: - continue; - } - at91_uarts[i]->id = i; /* update ID number to mapped ID */ - } - - /* Set serial console device */ - if (config->console_tty < ATMEL_MAX_UART) - atmel_default_console_device = at91_uarts[config->console_tty]; - if (!atmel_default_console_device) - printk(KERN_INFO "AT91: No default serial console defined.\n"); -} - void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) { struct platform_device *pdev; @@ -1073,8 +1129,6 @@ void __init at91_set_serial_console(unsigned portnr) { if (portnr < ATMEL_MAX_UART) atmel_default_console_device = at91_uarts[portnr]; - if (!atmel_default_console_device) - printk(KERN_INFO "AT91: No default serial console defined.\n"); } void __init at91_add_device_serial(void) @@ -1085,9 +1139,11 @@ void __init at91_add_device_serial(void) if (at91_uarts[i]) platform_device_register(at91_uarts[i]); } + + if (!atmel_default_console_device) + printk(KERN_INFO "AT91: No default serial console defined.\n"); } #else -void __init __deprecated at91_init_serial(struct at91_uart_config *config) {} void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {} void __init at91_set_serial_console(unsigned portnr) {} void __init at91_add_device_serial(void) {} @@ -1103,6 +1159,7 @@ static int __init at91_add_standard_devices(void) { at91_add_device_rtt(); at91_add_device_watchdog(); + at91_add_device_tc(); return 0; } diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c index 90b87e1877d..35bf6fd5251 100644 --- a/arch/arm/mach-at91/at91sam9261.c +++ b/arch/arm/mach-at91/at91sam9261.c @@ -11,12 +11,14 @@ */ #include <linux/module.h> +#include <linux/pm.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/arch/at91sam9261.h> #include <asm/arch/at91_pmc.h> #include <asm/arch/at91_rstc.h> +#include <asm/arch/at91_shdwc.h> #include "generic.h" #include "clock.h" @@ -245,6 +247,11 @@ static void at91sam9261_reset(void) at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); } +static void at91sam9261_poweroff(void) +{ + at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW); +} + /* -------------------------------------------------------------------- * AT91SAM9261 processor initialization @@ -256,6 +263,7 @@ void __init at91sam9261_initialize(unsigned long main_clock) iotable_init(at91sam9261_io_desc, ARRAY_SIZE(at91sam9261_io_desc)); at91_arch_reset = at91sam9261_reset; + pm_power_off = at91sam9261_poweroff; at91_extern_irq = (1 << AT91SAM9261_ID_IRQ0) | (1 << AT91SAM9261_ID_IRQ1) | (1 << AT91SAM9261_ID_IRQ2); diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c index 245641263fc..ec1891375df 100644 --- a/arch/arm/mach-at91/at91sam9261_devices.c +++ b/arch/arm/mach-at91/at91sam9261_devices.c @@ -24,7 +24,7 @@ #include <asm/arch/gpio.h> #include <asm/arch/at91sam9261.h> #include <asm/arch/at91sam9261_matrix.h> -#include <asm/arch/at91sam926x_mc.h> +#include <asm/arch/at91sam9_smc.h> #include "generic.h" @@ -232,19 +232,19 @@ void __init at91_add_device_nand(struct at91_nand_data *data) at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA); /* set the bus interface characteristics */ - at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0) - | AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0)); + at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) + | AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0)); - at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(2) | AT91_SMC_NCS_WRPULSE_(5) - | AT91_SMC_NRDPULSE_(2) | AT91_SMC_NCS_RDPULSE_(5)); + at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) + | AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3)); - at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(7) | AT91_SMC_NRDCYCLE_(7)); + at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5)); if (data->bus_width_16) mode = AT91_SMC_DBW_16; else mode = AT91_SMC_DBW_8; - at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(1)); + at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(2)); /* enable pin */ if (data->enable_pin) @@ -539,6 +539,17 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) at91_set_B_periph(AT91_PIN_PB28, 0); /* LCDD23 */ #endif + if (ARRAY_SIZE(lcdc_resources) > 2) { + void __iomem *fb; + struct resource *fb_res = &lcdc_resources[2]; + size_t fb_len = fb_res->end - fb_res->start + 1; + + fb = ioremap(fb_res->start, fb_len); + if (fb) { + memset(fb, 0, fb_len); + iounmap(fb); + } + } lcdc_data = *data; platform_device_register(&at91_lcdc_device); } @@ -548,6 +559,55 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {} /* -------------------------------------------------------------------- + * Timer/Counter block + * -------------------------------------------------------------------- */ + +#ifdef CONFIG_ATMEL_TCLIB + +static struct resource tcb_resources[] = { + [0] = { + .start = AT91SAM9261_BASE_TCB0, + .end = AT91SAM9261_BASE_TCB0 + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91SAM9261_ID_TC0, + .end = AT91SAM9261_ID_TC0, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = AT91SAM9261_ID_TC1, + .end = AT91SAM9261_ID_TC1, + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = AT91SAM9261_ID_TC2, + .end = AT91SAM9261_ID_TC2, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device at91sam9261_tcb_device = { + .name = "atmel_tcb", + .id = 0, + .resource = tcb_resources, + .num_resources = ARRAY_SIZE(tcb_resources), +}; + +static void __init at91_add_device_tc(void) +{ + /* this chip has a separate clock and irq for each TC channel */ + at91_clock_associate("tc0_clk", &at91sam9261_tcb_device.dev, "t0_clk"); + at91_clock_associate("tc1_clk", &at91sam9261_tcb_device.dev, "t1_clk"); + at91_clock_associate("tc2_clk", &at91sam9261_tcb_device.dev, "t2_clk"); + platform_device_register(&at91sam9261_tcb_device); +} +#else +static void __init at91_add_device_tc(void) { } +#endif + + +/* -------------------------------------------------------------------- * RTT * -------------------------------------------------------------------- */ @@ -561,7 +621,7 @@ static struct resource rtt_resources[] = { static struct platform_device at91sam9261_rtt_device = { .name = "at91_rtt", - .id = -1, + .id = 0, .resource = rtt_resources, .num_resources = ARRAY_SIZE(rtt_resources), }; @@ -938,49 +998,9 @@ static inline void configure_usart2_pins(unsigned pins) at91_set_B_periph(AT91_PIN_PA16, 0); /* CTS2 */ } -static struct platform_device *at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ +static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ struct platform_device *atmel_default_console_device; /* the serial console device */ -void __init __deprecated at91_init_serial(struct at91_uart_config *config) -{ - int i; - - /* Fill in list of supported UARTs */ - for (i = 0; i < config->nr_tty; i++) { - switch (config->tty_map[i]) { - case 0: - configure_usart0_pins(ATMEL_UART_CTS | ATMEL_UART_RTS); - at91_uarts[i] = &at91sam9261_uart0_device; - at91_clock_associate("usart0_clk", &at91sam9261_uart0_device.dev, "usart"); - break; - case 1: - configure_usart1_pins(0); - at91_uarts[i] = &at91sam9261_uart1_device; - at91_clock_associate("usart1_clk", &at91sam9261_uart1_device.dev, "usart"); - break; - case 2: - configure_usart2_pins(0); - at91_uarts[i] = &at91sam9261_uart2_device; - at91_clock_associate("usart2_clk", &at91sam9261_uart2_device.dev, "usart"); - break; - case 3: - configure_dbgu_pins(); - at91_uarts[i] = &at91sam9261_dbgu_device; - at91_clock_associate("mck", &at91sam9261_dbgu_device.dev, "usart"); - break; - default: - continue; - } - at91_uarts[i]->id = i; /* update ID number to mapped ID */ - } - - /* Set serial console device */ - if (config->console_tty < ATMEL_MAX_UART) - atmel_default_console_device = at91_uarts[config->console_tty]; - if (!atmel_default_console_device) - printk(KERN_INFO "AT91: No default serial console defined.\n"); -} - void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) { struct platform_device *pdev; @@ -1019,8 +1039,6 @@ void __init at91_set_serial_console(unsigned portnr) { if (portnr < ATMEL_MAX_UART) atmel_default_console_device = at91_uarts[portnr]; - if (!atmel_default_console_device) - printk(KERN_INFO "AT91: No default serial console defined.\n"); } void __init at91_add_device_serial(void) @@ -1031,9 +1049,11 @@ void __init at91_add_device_serial(void) if (at91_uarts[i]) platform_device_register(at91_uarts[i]); } + + if (!atmel_default_console_device) + printk(KERN_INFO "AT91: No default serial console defined.\n"); } #else -void __init __deprecated at91_init_serial(struct at91_uart_config *config) {} void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {} void __init at91_set_serial_console(unsigned portnr) {} void __init at91_add_device_serial(void) {} @@ -1050,6 +1070,7 @@ static int __init at91_add_standard_devices(void) { at91_add_device_rtt(); at91_add_device_watchdog(); + at91_add_device_tc(); return 0; } diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c index a53ba0f7435..052074a9f2d 100644 --- a/arch/arm/mach-at91/at91sam9263.c +++ b/arch/arm/mach-at91/at91sam9263.c @@ -11,12 +11,14 @@ */ #include <linux/module.h> +#include <linux/pm.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/arch/at91sam9263.h> #include <asm/arch/at91_pmc.h> #include <asm/arch/at91_rstc.h> +#include <asm/arch/at91_shdwc.h> #include "generic.h" #include "clock.h" @@ -271,6 +273,11 @@ static void at91sam9263_reset(void) at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); } +static void at91sam9263_poweroff(void) +{ + at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW); +} + /* -------------------------------------------------------------------- * AT91SAM9263 processor initialization @@ -282,6 +289,7 @@ void __init at91sam9263_initialize(unsigned long main_clock) iotable_init(at91sam9263_io_desc, ARRAY_SIZE(at91sam9263_io_desc)); at91_arch_reset = at91sam9263_reset; + pm_power_off = at91sam9263_poweroff; at91_extern_irq = (1 << AT91SAM9263_ID_IRQ0) | (1 << AT91SAM9263_ID_IRQ1); /* Init clock subsystem */ diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c index 0b12e1adcc8..8a81f76f020 100644 --- a/arch/arm/mach-at91/at91sam9263_devices.c +++ b/arch/arm/mach-at91/at91sam9263_devices.c @@ -22,8 +22,8 @@ #include <asm/arch/board.h> #include <asm/arch/gpio.h> #include <asm/arch/at91sam9263.h> -#include <asm/arch/at91sam926x_mc.h> #include <asm/arch/at91sam9263_matrix.h> +#include <asm/arch/at91sam9_smc.h> #include "generic.h" @@ -308,7 +308,7 @@ void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) } mmc0_data = *data; - at91_clock_associate("mci0_clk", &at91sam9263_mmc1_device.dev, "mci_clk"); + at91_clock_associate("mci0_clk", &at91sam9263_mmc0_device.dev, "mci_clk"); platform_device_register(&at91sam9263_mmc0_device); } else { /* MCI1 */ /* CLK */ @@ -358,10 +358,15 @@ static struct at91_nand_data nand_data; #define NAND_BASE AT91_CHIPSELECT_3 static struct resource nand_resources[] = { - { + [0] = { .start = NAND_BASE, .end = NAND_BASE + SZ_256M - 1, .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91_BASE_SYS + AT91_ECC0, + .end = AT91_BASE_SYS + AT91_ECC0 + SZ_512 - 1, + .flags = IORESOURCE_MEM, } }; @@ -386,8 +391,8 @@ void __init at91_add_device_nand(struct at91_nand_data *data) at91_sys_write(AT91_MATRIX_EBI0CSA, csa | AT91_MATRIX_EBI0_CS3A_SMC_SMARTMEDIA); /* set the bus interface characteristics */ - at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0) - | AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0)); + at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) + | AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0)); at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) | AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3)); @@ -783,6 +788,43 @@ void __init at91_add_device_isi(void) {} /* -------------------------------------------------------------------- + * Timer/Counter block + * -------------------------------------------------------------------- */ + +#ifdef CONFIG_ATMEL_TCLIB + +static struct resource tcb_resources[] = { + [0] = { + .start = AT91SAM9263_BASE_TCB0, + .end = AT91SAM9263_BASE_TCB0 + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91SAM9263_ID_TCB, + .end = AT91SAM9263_ID_TCB, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device at91sam9263_tcb_device = { + .name = "atmel_tcb", + .id = 0, + .resource = tcb_resources, + .num_resources = ARRAY_SIZE(tcb_resources), +}; + +static void __init at91_add_device_tc(void) +{ + /* this chip has one clock and irq for all three TC channels */ + at91_clock_associate("tcb_clk", &at91sam9263_tcb_device.dev, "t0_clk"); + platform_device_register(&at91sam9263_tcb_device); +} +#else +static void __init at91_add_device_tc(void) { } +#endif + + +/* -------------------------------------------------------------------- * RTT * -------------------------------------------------------------------- */ @@ -933,9 +975,6 @@ static inline void configure_ssc1_pins(unsigned pins) } /* - * Return the device node so that board init code can use it as the - * parent for the device node reflecting how it's used on this board. - * * SSC controllers are accessed through library code, instead of any * kind of all-singing/all-dancing driver. For example one could be * used by a particular I2S audio codec's driver, while another one @@ -1146,49 +1185,9 @@ static inline void configure_usart2_pins(unsigned pins) at91_set_B_periph(AT91_PIN_PD6, 0); /* CTS2 */ } -static struct platform_device *at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ +static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ struct platform_device *atmel_default_console_device; /* the serial console device */ -void __init __deprecated at91_init_serial(struct at91_uart_config *config) -{ - int i; - - /* Fill in list of supported UARTs */ - for (i = 0; i < config->nr_tty; i++) { - switch (config->tty_map[i]) { - case 0: - configure_usart0_pins(ATMEL_UART_CTS | ATMEL_UART_RTS); - at91_uarts[i] = &at91sam9263_uart0_device; - at91_clock_associate("usart0_clk", &at91sam9263_uart0_device.dev, "usart"); - break; - case 1: - configure_usart1_pins(ATMEL_UART_CTS | ATMEL_UART_RTS); - at91_uarts[i] = &at91sam9263_uart1_device; - at91_clock_associate("usart1_clk", &at91sam9263_uart1_device.dev, "usart"); - break; - case 2: - configure_usart2_pins(ATMEL_UART_CTS | ATMEL_UART_RTS); - at91_uarts[i] = &at91sam9263_uart2_device; - at91_clock_associate("usart2_clk", &at91sam9263_uart2_device.dev, "usart"); - break; - case 3: - configure_dbgu_pins(); - at91_uarts[i] = &at91sam9263_dbgu_device; - at91_clock_associate("mck", &at91sam9263_dbgu_device.dev, "usart"); - break; - default: - continue; - } - at91_uarts[i]->id = i; /* update ID number to mapped ID */ - } - - /* Set serial console device */ - if (config->console_tty < ATMEL_MAX_UART) - atmel_default_console_device = at91_uarts[config->console_tty]; - if (!atmel_default_console_device) - printk(KERN_INFO "AT91: No default serial console defined.\n"); -} - void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) { struct platform_device *pdev; @@ -1227,8 +1226,6 @@ void __init at91_set_serial_console(unsigned portnr) { if (portnr < ATMEL_MAX_UART) atmel_default_console_device = at91_uarts[portnr]; - if (!atmel_default_console_device) - printk(KERN_INFO "AT91: No default serial console defined.\n"); } void __init at91_add_device_serial(void) @@ -1239,9 +1236,11 @@ void __init at91_add_device_serial(void) if (at91_uarts[i]) platform_device_register(at91_uarts[i]); } + + if (!atmel_default_console_device) + printk(KERN_INFO "AT91: No default serial console defined.\n"); } #else -void __init at91_init_serial(struct at91_uart_config *config) {} void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {} void __init at91_set_serial_console(unsigned portnr) {} void __init at91_add_device_serial(void) {} @@ -1257,6 +1256,7 @@ static int __init at91_add_standard_devices(void) { at91_add_device_rtt(); at91_add_device_watchdog(); + at91_add_device_tc(); return 0; } diff --git a/arch/arm/mach-at91/at91sam926x_time.c b/arch/arm/mach-at91/at91sam926x_time.c index e38d2377099..5cecbd7de6a 100644 --- a/arch/arm/mach-at91/at91sam926x_time.c +++ b/arch/arm/mach-at91/at91sam926x_time.c @@ -1,23 +1,20 @@ /* - * linux/arch/arm/mach-at91/at91sam926x_time.c + * at91sam926x_time.c - Periodic Interval Timer (PIT) for at91sam926x * * Copyright (C) 2005-2006 M. Amine SAYA, ATMEL Rousset, France * Revision 2005 M. Nicolas Diremdjian, ATMEL Rousset, France + * Converted to ClockSource/ClockEvents by David Brownell. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ - -#include <linux/init.h> #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/time.h> +#include <linux/clk.h> +#include <linux/clockchips.h> -#include <asm/hardware.h> -#include <asm/io.h> #include <asm/mach/time.h> #include <asm/arch/at91_pit.h> @@ -26,85 +23,167 @@ #define PIT_CPIV(x) ((x) & AT91_PIT_CPIV) #define PIT_PICNT(x) (((x) & AT91_PIT_PICNT) >> 20) +static u32 pit_cycle; /* write-once */ +static u32 pit_cnt; /* access only w/system irq blocked */ + + /* - * Returns number of microseconds since last timer interrupt. Note that interrupts - * will have been disabled by do_gettimeofday() - * 'LATCH' is hwclock ticks (see CLOCK_TICK_RATE in timex.h) per jiffy. + * Clocksource: just a monotonic counter of MCK/16 cycles. + * We don't care whether or not PIT irqs are enabled. */ -static unsigned long at91sam926x_gettimeoffset(void) +static cycle_t read_pit_clk(void) { - unsigned long elapsed; - unsigned long t = at91_sys_read(AT91_PIT_PIIR); + unsigned long flags; + u32 elapsed; + u32 t; + + raw_local_irq_save(flags); + elapsed = pit_cnt; + t = at91_sys_read(AT91_PIT_PIIR); + raw_local_irq_restore(flags); + + elapsed += PIT_PICNT(t) * pit_cycle; + elapsed += PIT_CPIV(t); + return elapsed; +} + +static struct clocksource pit_clk = { + .name = "pit", + .rating = 175, + .read = read_pit_clk, + .shift = 20, + .flags = CLOCK_SOURCE_IS_CONTINUOUS, +}; - elapsed = (PIT_PICNT(t) * LATCH) + PIT_CPIV(t); /* hardware clock cycles */ - return (unsigned long)(elapsed * jiffies_to_usecs(1)) / LATCH; +/* + * Clockevent device: interrupts every 1/HZ (== pit_cycles * MCK/16) + */ +static void +pit_clkevt_mode(enum clock_event_mode mode, struct clock_event_device *dev) +{ + unsigned long flags; + + switch (mode) { + case CLOCK_EVT_MODE_PERIODIC: + /* update clocksource counter, then enable the IRQ */ + raw_local_irq_save(flags); + pit_cnt += pit_cycle * PIT_PICNT(at91_sys_read(AT91_PIT_PIVR)); + at91_sys_write(AT91_PIT_MR, (pit_cycle - 1) | AT91_PIT_PITEN + | AT91_PIT_PITIEN); + raw_local_irq_restore(flags); + break; + case CLOCK_EVT_MODE_ONESHOT: + BUG(); + /* FALLTHROUGH */ + case CLOCK_EVT_MODE_SHUTDOWN: + case CLOCK_EVT_MODE_UNUSED: + /* disable irq, leaving the clocksource active */ + at91_sys_write(AT91_PIT_MR, (pit_cycle - 1) | AT91_PIT_PITEN); + break; + case CLOCK_EVT_MODE_RESUME: + break; + } } +static struct clock_event_device pit_clkevt = { + .name = "pit", + .features = CLOCK_EVT_FEAT_PERIODIC, + .shift = 32, + .rating = 100, + .cpumask = CPU_MASK_CPU0, + .set_mode = pit_clkevt_mode, +}; + + /* * IRQ handler for the timer. */ -static irqreturn_t at91sam926x_timer_interrupt(int irq, void *dev_id) +static irqreturn_t at91sam926x_pit_interrupt(int irq, void *dev_id) { - volatile long nr_ticks; - if (at91_sys_read(AT91_PIT_SR) & AT91_PIT_PITS) { /* This is a shared interrupt */ - /* Get number to ticks performed before interrupt and clear PIT interrupt */ + /* The PIT interrupt may be disabled, and is shared */ + if ((pit_clkevt.mode == CLOCK_EVT_MODE_PERIODIC) + && (at91_sys_read(AT91_PIT_SR) & AT91_PIT_PITS)) { + unsigned nr_ticks; + + /* Get number of ticks performed before irq, and ack it */ nr_ticks = PIT_PICNT(at91_sys_read(AT91_PIT_PIVR)); do { - timer_tick(); + pit_cnt += pit_cycle; + pit_clkevt.event_handler(&pit_clkevt); nr_ticks--; } while (nr_ticks); return IRQ_HANDLED; - } else - return IRQ_NONE; /* not handled */ + } + + return IRQ_NONE; } -static struct irqaction at91sam926x_timer_irq = { +static struct irqaction at91sam926x_pit_irq = { .name = "at91_tick", .flags = IRQF_SHARED | IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, - .handler = at91sam926x_timer_interrupt + .handler = at91sam926x_pit_interrupt }; -void at91sam926x_timer_reset(void) +static void at91sam926x_pit_reset(void) { - /* Disable timer */ + /* Disable timer and irqs */ at91_sys_write(AT91_PIT_MR, 0); - /* Clear any pending interrupts */ - (void) at91_sys_read(AT91_PIT_PIVR); + /* Clear any pending interrupts, wait for PIT to stop counting */ + while (PIT_CPIV(at91_sys_read(AT91_PIT_PIVR)) != 0) + cpu_relax(); - /* Set Period Interval timer and enable its interrupt */ - at91_sys_write(AT91_PIT_MR, (LATCH & AT91_PIT_PIV) | AT91_PIT_PITIEN | AT91_PIT_PITEN); + /* Start PIT but don't enable IRQ */ + at91_sys_write(AT91_PIT_MR, (pit_cycle - 1) | AT91_PIT_PITEN); } /* - * Set up timer interrupt. + * Set up both clocksource and clockevent support. */ -void __init at91sam926x_timer_init(void) +static void __init at91sam926x_pit_init(void) { - /* Initialize and enable the timer */ - at91sam926x_timer_reset(); + unsigned long pit_rate; + unsigned bits; + + /* + * Use our actual MCK to figure out how many MCK/16 ticks per + * 1/HZ period (instead of a compile-time constant LATCH). + */ + pit_rate = clk_get_rate(clk_get(NULL, "mck")) / 16; + pit_cycle = (pit_rate + HZ/2) / HZ; + WARN_ON(((pit_cycle - 1) & ~AT91_PIT_PIV) != 0); - /* Make IRQs happen for the system timer. */ - setup_irq(AT91_ID_SYS, &at91sam926x_timer_irq); + /* Initialize and enable the timer */ + at91sam926x_pit_reset(); + + /* + * Register clocksource. The high order bits of PIV are unused, + * so this isn't a 32-bit counter unless we get clockevent irqs. + */ + pit_clk.mult = clocksource_hz2mult(pit_rate, pit_clk.shift); + bits = 12 /* PICNT */ + ilog2(pit_cycle) /* PIV */; + pit_clk.mask = CLOCKSOURCE_MASK(bits); + clocksource_register(&pit_clk); + + /* Set up irq handler */ + setup_irq(AT91_ID_SYS, &at91sam926x_pit_irq); + + /* Set up and register clockevents */ + pit_clkevt.mult = div_sc(pit_rate, NSEC_PER_SEC, pit_clkevt.shift); + clockevents_register_device(&pit_clkevt); } -#ifdef CONFIG_PM -static void at91sam926x_timer_suspend(void) +static void at91sam926x_pit_suspend(void) { /* Disable timer */ at91_sys_write(AT91_PIT_MR, 0); } -#else -#define at91sam926x_timer_suspend NULL -#endif struct sys_timer at91sam926x_timer = { - .init = at91sam926x_timer_init, - .offset = at91sam926x_gettimeoffset, - .suspend = at91sam926x_timer_suspend, - .resume = at91sam926x_timer_reset, + .init = at91sam926x_pit_init, + .suspend = at91sam926x_pit_suspend, + .resume = at91sam926x_pit_reset, }; - diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c index 4813a35f6cf..902c79893ec 100644 --- a/arch/arm/mach-at91/at91sam9rl.c +++ b/arch/arm/mach-at91/at91sam9rl.c @@ -10,6 +10,7 @@ */ #include <linux/module.h> +#include <linux/pm.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> @@ -17,6 +18,7 @@ #include <asm/arch/at91sam9rl.h> #include <asm/arch/at91_pmc.h> #include <asm/arch/at91_rstc.h> +#include <asm/arch/at91_shdwc.h> #include "generic.h" #include "clock.h" @@ -244,6 +246,11 @@ static void at91sam9rl_reset(void) at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); } +static void at91sam9rl_poweroff(void) +{ + at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW); +} + /* -------------------------------------------------------------------- * AT91SAM9RL processor initialization @@ -274,6 +281,7 @@ void __init at91sam9rl_initialize(unsigned long main_clock) iotable_init(at91sam9rl_sram_desc, ARRAY_SIZE(at91sam9rl_sram_desc)); at91_arch_reset = at91sam9rl_reset; + pm_power_off = at91sam9rl_poweroff; at91_extern_irq = (1 << AT91SAM9RL_ID_IRQ0); /* Init clock subsystem */ diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c index f43b5c33e45..ae28101e754 100644 --- a/arch/arm/mach-at91/at91sam9rl_devices.c +++ b/arch/arm/mach-at91/at91sam9rl_devices.c @@ -20,12 +20,107 @@ #include <asm/arch/gpio.h> #include <asm/arch/at91sam9rl.h> #include <asm/arch/at91sam9rl_matrix.h> -#include <asm/arch/at91sam926x_mc.h> +#include <asm/arch/at91sam9_smc.h> #include "generic.h" /* -------------------------------------------------------------------- + * USB HS Device (Gadget) + * -------------------------------------------------------------------- */ + +#if defined(CONFIG_USB_GADGET_ATMEL_USBA) || defined(CONFIG_USB_GADGET_ATMEL_USBA_MODULE) + +static struct resource usba_udc_resources[] = { + [0] = { + .start = AT91SAM9RL_UDPHS_FIFO, + .end = AT91SAM9RL_UDPHS_FIFO + SZ_512K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91SAM9RL_BASE_UDPHS, + .end = AT91SAM9RL_BASE_UDPHS + SZ_1K - 1, + .flags = IORESOURCE_MEM, + }, + [2] = { + .start = AT91SAM9RL_ID_UDPHS, + .end = AT91SAM9RL_ID_UDPHS, + .flags = IORESOURCE_IRQ, + }, +}; + +#define EP(nam, idx, maxpkt, maxbk, dma, isoc) \ + [idx] = { \ + .name = nam, \ + .index = idx, \ + .fifo_size = maxpkt, \ + .nr_banks = maxbk, \ + .can_dma = dma, \ + .can_isoc = isoc, \ + } + +static struct usba_ep_data usba_udc_ep[] __initdata = { + EP("ep0", 0, 64, 1, 0, 0), + EP("ep1", 1, 1024, 2, 1, 1), + EP("ep2", 2, 1024, 2, 1, 1), + EP("ep3", 3, 1024, 3, 1, 0), + EP("ep4", 4, 1024, 3, 1, 0), + EP("ep5", 5, 1024, 3, 1, 1), + EP("ep6", 6, 1024, 3, 1, 1), +}; + +#undef EP + +/* + * pdata doesn't have room for any endpoints, so we need to + * append room for the ones we need right after it. + */ +static struct { + struct usba_platform_data pdata; + struct usba_ep_data ep[7]; +} usba_udc_data; + +static struct platform_device at91_usba_udc_device = { + .name = "atmel_usba_udc", + .id = -1, + .dev = { + .platform_data = &usba_udc_data.pdata, + }, + .resource = usba_udc_resources, + .num_resources = ARRAY_SIZE(usba_udc_resources), +}; + +void __init at91_add_device_usba(struct usba_platform_data *data) +{ + /* + * Invalid pins are 0 on AT91, but the usba driver is shared + * with AVR32, which use negative values instead. Once/if + * gpio_is_valid() is ported to AT91, revisit this code. + */ + usba_udc_data.pdata.vbus_pin = -EINVAL; + usba_udc_data.pdata.num_ep = ARRAY_SIZE(usba_udc_ep); + memcpy(usba_udc_data.ep, usba_udc_ep, sizeof(usba_udc_ep));; + + if (data && data->vbus_pin > 0) { + at91_set_gpio_input(data->vbus_pin, 0); + at91_set_deglitch(data->vbus_pin, 1); + usba_udc_data.pdata.vbus_pin = data->vbus_pin; + } + + /* Pullup pin is handled internally by USB device peripheral */ + + /* Clocks */ + at91_clock_associate("utmi_clk", &at91_usba_udc_device.dev, "hclk"); + at91_clock_associate("udphs_clk", &at91_usba_udc_device.dev, "pclk"); + + platform_device_register(&at91_usba_udc_device); +} +#else +void __init at91_add_device_usba(struct usba_platform_data *data) {} +#endif + + +/* -------------------------------------------------------------------- * MMC / SD * -------------------------------------------------------------------- */ @@ -105,10 +200,15 @@ static struct at91_nand_data nand_data; #define NAND_BASE AT91_CHIPSELECT_3 static struct resource nand_resources[] = { - { + [0] = { .start = NAND_BASE, .end = NAND_BASE + SZ_256M - 1, .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91_BASE_SYS + AT91_ECC, + .end = AT91_BASE_SYS + AT91_ECC + SZ_512 - 1, + .flags = IORESOURCE_MEM, } }; @@ -133,15 +233,15 @@ void __init at91_add_device_nand(struct at91_nand_data *data) at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA); /* set the bus interface characteristics */ - at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0) - | AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0)); + at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) + | AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0)); - at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(2) | AT91_SMC_NCS_WRPULSE_(5) - | AT91_SMC_NRDPULSE_(2) | AT91_SMC_NCS_RDPULSE_(5)); + at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) + | AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3)); - at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(7) | AT91_SMC_NRDCYCLE_(7)); + at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5)); - at91_sys_write(AT91_SMC_MODE(3), AT91_SMC_DBW_8 | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(1)); + at91_sys_write(AT91_SMC_MODE(3), AT91_SMC_DBW_8 | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(2)); /* enable pin */ if (data->enable_pin) @@ -327,13 +427,6 @@ static struct resource lcdc_resources[] = { .end = AT91SAM9RL_ID_LCDC, .flags = IORESOURCE_IRQ, }, -#if defined(CONFIG_FB_INTSRAM) - [2] = { - .start = AT91SAM9RL_SRAM_BASE, - .end = AT91SAM9RL_SRAM_BASE + AT91SAM9RL_SRAM_SIZE - 1, - .flags = IORESOURCE_MEM, - }, -#endif }; static struct platform_device at91_lcdc_device = { @@ -385,6 +478,55 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {} /* -------------------------------------------------------------------- + * Timer/Counter block + * -------------------------------------------------------------------- */ + +#ifdef CONFIG_ATMEL_TCLIB + +static struct resource tcb_resources[] = { + [0] = { + .start = AT91SAM9RL_BASE_TCB0, + .end = AT91SAM9RL_BASE_TCB0 + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91SAM9RL_ID_TC0, + .end = AT91SAM9RL_ID_TC0, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = AT91SAM9RL_ID_TC1, + .end = AT91SAM9RL_ID_TC1, + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = AT91SAM9RL_ID_TC2, + .end = AT91SAM9RL_ID_TC2, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device at91sam9rl_tcb_device = { + .name = "atmel_tcb", + .id = 0, + .resource = tcb_resources, + .num_resources = ARRAY_SIZE(tcb_resources), +}; + +static void __init at91_add_device_tc(void) +{ + /* this chip has a separate clock and irq for each TC channel */ + at91_clock_associate("tc0_clk", &at91sam9rl_tcb_device.dev, "t0_clk"); + at91_clock_associate("tc1_clk", &at91sam9rl_tcb_device.dev, "t1_clk"); + at91_clock_associate("tc2_clk", &at91sam9rl_tcb_device.dev, "t2_clk"); + platform_device_register(&at91sam9rl_tcb_device); +} +#else +static void __init at91_add_device_tc(void) { } +#endif + + +/* -------------------------------------------------------------------- * RTC * -------------------------------------------------------------------- */ @@ -418,7 +560,7 @@ static struct resource rtt_resources[] = { static struct platform_device at91sam9rl_rtt_device = { .name = "at91_rtt", - .id = -1, + .id = 0, .resource = rtt_resources, .num_resources = ARRAY_SIZE(rtt_resources), }; @@ -539,9 +681,6 @@ static inline void configure_ssc1_pins(unsigned pins) } /* - * Return the device node so that board init code can use it as the - * parent for the device node reflecting how it's used on this board. - * * SSC controllers are accessed through library code, instead of any * kind of all-singing/all-dancing driver. For example one could be * used by a particular I2S audio codec's driver, while another one @@ -802,54 +941,9 @@ static inline void configure_usart3_pins(unsigned pins) at91_set_B_periph(AT91_PIN_PD3, 0); /* CTS3 */ } -static struct platform_device *at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ +static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ struct platform_device *atmel_default_console_device; /* the serial console device */ -void __init __deprecated at91_init_serial(struct at91_uart_config *config) -{ - int i; - - /* Fill in list of supported UARTs */ - for (i = 0; i < config->nr_tty; i++) { - switch (config->tty_map[i]) { - case 0: - configure_usart0_pins(ATMEL_UART_CTS | ATMEL_UART_RTS); - at91_uarts[i] = &at91sam9rl_uart0_device; - at91_clock_associate("usart0_clk", &at91sam9rl_uart0_device.dev, "usart"); - break; - case 1: - configure_usart1_pins(0); - at91_uarts[i] = &at91sam9rl_uart1_device; - at91_clock_associate("usart1_clk", &at91sam9rl_uart1_device.dev, "usart"); - break; - case 2: - configure_usart2_pins(0); - at91_uarts[i] = &at91sam9rl_uart2_device; - at91_clock_associate("usart2_clk", &at91sam9rl_uart2_device.dev, "usart"); - break; - case 3: - configure_usart3_pins(0); - at91_uarts[i] = &at91sam9rl_uart3_device; - at91_clock_associate("usart3_clk", &at91sam9rl_uart3_device.dev, "usart"); - break; - case 4: - configure_dbgu_pins(); - at91_uarts[i] = &at91sam9rl_dbgu_device; - at91_clock_associate("mck", &at91sam9rl_dbgu_device.dev, "usart"); - break; - default: - continue; - } - at91_uarts[i]->id = i; /* update ID number to mapped ID */ - } - - /* Set serial console device */ - if (config->console_tty < ATMEL_MAX_UART) - atmel_default_console_device = at91_uarts[config->console_tty]; - if (!atmel_default_console_device) - printk(KERN_INFO "AT91: No default serial console defined.\n"); -} - void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) { struct platform_device *pdev; @@ -893,8 +987,6 @@ void __init at91_set_serial_console(unsigned portnr) { if (portnr < ATMEL_MAX_UART) atmel_default_console_device = at91_uarts[portnr]; - if (!atmel_default_console_device) - printk(KERN_INFO "AT91: No default serial console defined.\n"); } void __init at91_add_device_serial(void) @@ -905,9 +997,11 @@ void __init at91_add_device_serial(void) if (at91_uarts[i]) platform_device_register(at91_uarts[i]); } + + if (!atmel_default_console_device) + printk(KERN_INFO "AT91: No default serial console defined.\n"); } #else -void __init __deprecated at91_init_serial(struct at91_uart_config *config) {} void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {} void __init at91_set_serial_console(unsigned portnr) {} void __init at91_add_device_serial(void) {} @@ -925,6 +1019,7 @@ static int __init at91_add_standard_devices(void) at91_add_device_rtc(); at91_add_device_rtt(); at91_add_device_watchdog(); + at91_add_device_tc(); return 0; } diff --git a/arch/arm/mach-at91/at91x40.c b/arch/arm/mach-at91/at91x40.c index 1de121fc55f..f44647738ee 100644 --- a/arch/arm/mach-at91/at91x40.c +++ b/arch/arm/mach-at91/at91x40.c @@ -16,16 +16,32 @@ #include <asm/mach/arch.h> #include <asm/arch/at91x40.h> #include <asm/arch/at91_st.h> +#include <asm/arch/timex.h> #include "generic.h" /* - * This is used in the gpio code, stub locally. + * Export the clock functions for the AT91X40. Some external code common + * to all AT91 family parts relys on this, like the gpio and serial support. */ int clk_enable(struct clk *clk) { return 0; } +void clk_disable(struct clk *clk) +{ +} + +unsigned long clk_get_rate(struct clk *clk) +{ + return AT91X40_MASTER_CLOCK; +} + +struct clk *clk_get(struct device *dev, const char *id) +{ + return NULL; +} + void __init at91x40_initialize(unsigned long main_clock) { at91_extern_irq = (1 << AT91X40_ID_IRQ0) | (1 << AT91X40_ID_IRQ1) diff --git a/arch/arm/mach-at91/board-cam60.c b/arch/arm/mach-at91/board-cam60.c new file mode 100644 index 00000000000..b22a1a00405 --- /dev/null +++ b/arch/arm/mach-at91/board-cam60.c @@ -0,0 +1,180 @@ +/* + * KwikByte CAM60 (KB9260) + * + * based on board-sam9260ek.c + * Copyright (C) 2005 SAN People + * Copyright (C) 2006 Atmel + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/types.h> +#include <linux/init.h> +#include <linux/mm.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/spi/spi.h> +#include <linux/spi/flash.h> + +#include <asm/hardware.h> +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/irq.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <asm/arch/board.h> +#include <asm/arch/gpio.h> + +#include "generic.h" + + +static void __init cam60_map_io(void) +{ + /* Initialize processor: 10 MHz crystal */ + at91sam9260_initialize(10000000); + + /* DGBU on ttyS0. (Rx & Tx only) */ + at91_register_uart(0, 0, 0); + + /* set serial console to ttyS0 (ie, DBGU) */ + at91_set_serial_console(0); +} + +static void __init cam60_init_irq(void) +{ + at91sam9260_init_interrupts(NULL); +} + + +/* + * USB Host + */ +static struct at91_usbh_data __initdata cam60_usbh_data = { + .ports = 1, +}; + + +/* + * SPI devices. + */ +#if defined(CONFIG_MTD_DATAFLASH) +static struct mtd_partition __initdata cam60_spi_partitions[] = { + { + .name = "BOOT1", + .offset = 0, + .size = 4 * 1056, + }, + { + .name = "BOOT2", + .offset = MTDPART_OFS_NXTBLK, + .size = 256 * 1056, + }, + { + .name = "kernel", + .offset = MTDPART_OFS_NXTBLK, + .size = 2222 * 1056, + }, + { + .name = "file system", + .offset = MTDPART_OFS_NXTBLK, + .size = MTDPART_SIZ_FULL, + }, +}; + +static struct flash_platform_data __initdata cam60_spi_flash_platform_data = { + .name = "spi_flash", + .parts = cam60_spi_partitions, + .nr_parts = ARRAY_SIZE(cam60_spi_partitions) +}; +#endif + +static struct spi_board_info cam60_spi_devices[] = { +#if defined(CONFIG_MTD_DATAFLASH) + { /* DataFlash chip */ + .modalias = "mtd_dataflash", + .chip_select = 0, + .max_speed_hz = 15 * 1000 * 1000, + .bus_num = 0, + .platform_data = &cam60_spi_flash_platform_data + }, +#endif +}; + + +/* + * MACB Ethernet device + */ +static struct __initdata at91_eth_data cam60_macb_data = { + .phy_irq_pin = AT91_PIN_PB5, + .is_rmii = 0, +}; + + +/* + * NAND Flash + */ +static struct mtd_partition __initdata cam60_nand_partition[] = { + { + .name = "nand_fs", + .offset = 0, + .size = MTDPART_SIZ_FULL, + }, +}; + +static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) +{ + *num_partitions = ARRAY_SIZE(cam60_nand_partition); + return cam60_nand_partition; +} + +static struct at91_nand_data __initdata cam60_nand_data = { + .ale = 21, + .cle = 22, + // .det_pin = ... not there + .rdy_pin = AT91_PIN_PA9, + .enable_pin = AT91_PIN_PA7, + .partition_info = nand_partitions, +}; + + +static void __init cam60_board_init(void) +{ + /* Serial */ + at91_add_device_serial(); + /* SPI */ + at91_add_device_spi(cam60_spi_devices, ARRAY_SIZE(cam60_spi_devices)); + /* Ethernet */ + at91_add_device_eth(&cam60_macb_data); + /* USB Host */ + /* enable USB power supply circuit */ + at91_set_gpio_output(AT91_PIN_PB18, 1); + at91_add_device_usbh(&cam60_usbh_data); + /* NAND */ + at91_add_device_nand(&cam60_nand_data); +} + +MACHINE_START(CAM60, "KwikByte CAM60") + /* Maintainer: KwikByte */ + .phys_io = AT91_BASE_SYS, + .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, + .boot_params = AT91_SDRAM_BASE + 0x100, + .timer = &at91sam926x_timer, + .map_io = cam60_map_io, + .init_irq = cam60_init_irq, + .init_machine = cam60_board_init, +MACHINE_END diff --git a/arch/arm/mach-at91/board-cap9adk.c b/arch/arm/mach-at91/board-cap9adk.c index 18543713154..8a2a958639d 100644 --- a/arch/arm/mach-at91/board-cap9adk.c +++ b/arch/arm/mach-at91/board-cap9adk.c @@ -45,7 +45,7 @@ #include <asm/arch/board.h> #include <asm/arch/gpio.h> #include <asm/arch/at91cap9_matrix.h> -#include <asm/arch/at91sam926x_mc.h> +#include <asm/arch/at91sam9_smc.h> #include "generic.h" @@ -78,6 +78,12 @@ static struct at91_usbh_data __initdata cap9adk_usbh_data = { .ports = 2, }; +/* + * USB HS Device port + */ +static struct usba_platform_data __initdata cap9adk_usba_udc_data = { + .vbus_pin = AT91_PIN_PB31, +}; /* * ADS7846 Touchscreen @@ -326,6 +332,9 @@ static void __init cap9adk_board_init(void) /* USB Host */ set_irq_type(AT91CAP9_ID_UHP, IRQT_HIGH); at91_add_device_usbh(&cap9adk_usbh_data); + /* USB HS */ + set_irq_type(AT91CAP9_ID_UDPHS, IRQT_HIGH); + at91_add_device_usba(&cap9adk_usba_udc_data); /* SPI */ at91_add_device_spi(cap9adk_spi_devices, ARRAY_SIZE(cap9adk_spi_devices)); /* Touchscreen */ diff --git a/arch/arm/mach-at91/board-carmeva.c b/arch/arm/mach-at91/board-carmeva.c index 0f0878294a6..9854fc3dd1f 100644 --- a/arch/arm/mach-at91/board-carmeva.c +++ b/arch/arm/mach-at91/board-carmeva.c @@ -40,24 +40,21 @@ #include "generic.h" -/* - * Serial port configuration. - * 0 .. 3 = USART0 .. USART3 - * 4 = DBGU - */ -static struct at91_uart_config __initdata carmeva_uart_config = { - .console_tty = 0, /* ttyS0 */ - .nr_tty = 2, - .tty_map = { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */ -}; - static void __init carmeva_map_io(void) { /* Initialize processor: 20.000 MHz crystal */ at91rm9200_initialize(20000000, AT91RM9200_BGA); - /* Setup the serial ports and console */ - at91_init_serial(&carmeva_uart_config); + /* DBGU on ttyS0. (Rx & Tx only) */ + at91_register_uart(0, 0, 0); + + /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ + at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS + | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD + | ATMEL_UART_RI); + + /* set serial console to ttyS0 (ie, DBGU) */ + at91_set_serial_console(0); } static void __init carmeva_init_irq(void) diff --git a/arch/arm/mach-at91/board-csb337.c b/arch/arm/mach-at91/board-csb337.c index 0e2a11fc5bb..81f1ebb4e96 100644 --- a/arch/arm/mach-at91/board-csb337.c +++ b/arch/arm/mach-at91/board-csb337.c @@ -43,17 +43,6 @@ #include "generic.h" -/* - * Serial port configuration. - * 0 .. 3 = USART0 .. USART3 - * 4 = DBGU - */ -static struct at91_uart_config __initdata csb337_uart_config = { - .console_tty = 0, /* ttyS0 */ - .nr_tty = 2, - .tty_map = { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */ -}; - static void __init csb337_map_io(void) { /* Initialize processor: 3.6864 MHz crystal */ @@ -62,8 +51,11 @@ static void __init csb337_map_io(void) /* Setup the LEDs */ at91_init_leds(AT91_PIN_PB0, AT91_PIN_PB1); - /* Setup the serial ports and console */ - at91_init_serial(&csb337_uart_config); + /* DBGU on ttyS0 */ + at91_register_uart(0, 0, 0); + + /* make console=ttyS0 the default */ + at91_set_serial_console(0); } static void __init csb337_init_irq(void) @@ -87,8 +79,7 @@ static struct at91_udc_data __initdata csb337_udc_data = { static struct i2c_board_info __initdata csb337_i2c_devices[] = { { - I2C_BOARD_INFO("rtc-ds1307", 0x68), - .type = "ds1307", + I2C_BOARD_INFO("ds1307", 0x68), }, }; diff --git a/arch/arm/mach-at91/board-csb637.c b/arch/arm/mach-at91/board-csb637.c index c5c721d27f4..bb1a5474dda 100644 --- a/arch/arm/mach-at91/board-csb637.c +++ b/arch/arm/mach-at91/board-csb637.c @@ -40,27 +40,16 @@ #include "generic.h" -/* - * Serial port configuration. - * 0 .. 3 = USART0 .. USART3 - * 4 = DBGU - */ -static struct at91_uart_config __initdata csb637_uart_config = { - .console_tty = 0, /* ttyS0 */ - .nr_tty = 2, - .tty_map = { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */ -}; - static void __init csb637_map_io(void) { /* Initialize processor: 3.6864 MHz crystal */ at91rm9200_initialize(3686400, AT91RM9200_BGA); - /* Setup the LEDs */ - at91_init_leds(AT91_PIN_PB2, AT91_PIN_PB2); + /* DBGU on ttyS0. (Rx & Tx only) */ + at91_register_uart(0, 0, 0); - /* Setup the serial ports and console */ - at91_init_serial(&csb637_uart_config); + /* make console=ttyS0 (ie, DBGU) the default */ + at91_set_serial_console(0); } static void __init csb637_init_irq(void) @@ -118,8 +107,19 @@ static struct platform_device csb_flash = { .num_resources = ARRAY_SIZE(csb_flash_resources), }; +static struct gpio_led csb_leds[] = { + { /* "d1", red */ + .name = "d1", + .gpio = AT91_PIN_PB2, + .active_low = 1, + .default_trigger = "heartbeat", + }, +}; + static void __init csb637_board_init(void) { + /* LED(s) */ + at91_gpio_leds(csb_leds, ARRAY_SIZE(csb_leds)); /* Serial */ at91_add_device_serial(); /* Ethernet */ diff --git a/arch/arm/mach-at91/board-dk.c b/arch/arm/mach-at91/board-dk.c index 0a897efeba8..dab958d2592 100644 --- a/arch/arm/mach-at91/board-dk.c +++ b/arch/arm/mach-at91/board-dk.c @@ -45,17 +45,6 @@ #include "generic.h" -/* - * Serial port configuration. - * 0 .. 3 = USART0 .. USART3 - * 4 = DBGU - */ -static struct at91_uart_config __initdata dk_uart_config = { - .console_tty = 0, /* ttyS0 */ - .nr_tty = 2, - .tty_map = { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */ -}; - static void __init dk_map_io(void) { /* Initialize processor: 18.432 MHz crystal */ @@ -64,8 +53,16 @@ static void __init dk_map_io(void) /* Setup the LEDs */ at91_init_leds(AT91_PIN_PB2, AT91_PIN_PB2); - /* Setup the serial ports and console */ - at91_init_serial(&dk_uart_config); + /* DBGU on ttyS0. (Rx & Tx only) */ + at91_register_uart(0, 0, 0); + + /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ + at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS + | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD + | ATMEL_UART_RI); + + /* set serial console to ttyS0 (ie, DBGU) */ + at91_set_serial_console(0); } static void __init dk_init_irq(void) @@ -132,8 +129,7 @@ static struct i2c_board_info __initdata dk_i2c_devices[] = { I2C_BOARD_INFO("x9429", 0x28), }, { - I2C_BOARD_INFO("at24c", 0x50), - .type = "24c1024", + I2C_BOARD_INFO("24c1024", 0x50), } }; @@ -164,7 +160,7 @@ static struct at91_nand_data __initdata dk_nand_data = { #define DK_FLASH_SIZE 0x200000 static struct physmap_flash_data dk_flash_data = { - .width = 2, + .width = 2, }; static struct resource dk_flash_resource = { diff --git a/arch/arm/mach-at91/board-eb9200.c b/arch/arm/mach-at91/board-eb9200.c index b7b79bb9d6c..3fe054e0056 100644 --- a/arch/arm/mach-at91/board-eb9200.c +++ b/arch/arm/mach-at91/board-eb9200.c @@ -40,24 +40,24 @@ #include "generic.h" -/* - * Serial port configuration. - * 0 .. 3 = USART0 .. USART3 - * 4 = DBGU - */ -static struct at91_uart_config __initdata eb9200_uart_config = { - .console_tty = 0, /* ttyS0 */ - .nr_tty = 2, - .tty_map = { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */ -}; - static void __init eb9200_map_io(void) { /* Initialize processor: 18.432 MHz crystal */ at91rm9200_initialize(18432000, AT91RM9200_BGA); - /* Setup the serial ports and console */ - at91_init_serial(&eb9200_uart_config); + /* DBGU on ttyS0. (Rx & Tx only) */ + at91_register_uart(0, 0, 0); + + /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ + at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS + | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD + | ATMEL_UART_RI); + + /* USART2 on ttyS2. (Rx, Tx) - IRDA */ + at91_register_uart(AT91RM9200_ID_US2, 2, 0); + + /* set serial console to ttyS0 (ie, DBGU) */ + at91_set_serial_console(0); } static void __init eb9200_init_irq(void) @@ -93,8 +93,7 @@ static struct at91_mmc_data __initdata eb9200_mmc_data = { static struct i2c_board_info __initdata eb9200_i2c_devices[] = { { - I2C_BOARD_INFO("at24c", 0x50), - .type = "24c512", + I2C_BOARD_INFO("24c512", 0x50), }, }; diff --git a/arch/arm/mach-at91/board-ecbat91.c b/arch/arm/mach-at91/board-ecbat91.c new file mode 100644 index 00000000000..e77fad44383 --- /dev/null +++ b/arch/arm/mach-at91/board-ecbat91.c @@ -0,0 +1,178 @@ +/* + * linux/arch/arm/mach-at91rm9200/board-ecbat91.c + * Copyright (C) 2007 emQbit.com. + * + * We started from board-dk.c, which is Copyright (C) 2005 SAN People. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/types.h> +#include <linux/init.h> +#include <linux/mm.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/spi/spi.h> +#include <linux/spi/flash.h> + +#include <asm/hardware.h> +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/irq.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <asm/arch/board.h> +#include <asm/arch/gpio.h> + +#include "generic.h" + + +static void __init ecb_at91map_io(void) +{ + /* Initialize processor: 18.432 MHz crystal */ + at91rm9200_initialize(18432000, AT91RM9200_PQFP); + + /* Setup the LEDs */ + at91_init_leds(AT91_PIN_PC7, AT91_PIN_PC7); + + /* DBGU on ttyS0. (Rx & Tx only) */ + at91_register_uart(0, 0, 0); + + /* USART0 on ttyS1. (Rx & Tx only) */ + at91_register_uart(AT91RM9200_ID_US0, 1, 0); + + /* set serial console to ttyS0 (ie, DBGU) */ + at91_set_serial_console(0); +} + +static void __init ecb_at91init_irq(void) +{ + at91rm9200_init_interrupts(NULL); +} + +static struct at91_eth_data __initdata ecb_at91eth_data = { + .phy_irq_pin = AT91_PIN_PC4, + .is_rmii = 0, +}; + +static struct at91_usbh_data __initdata ecb_at91usbh_data = { + .ports = 1, +}; + +static struct at91_mmc_data __initdata ecb_at91mmc_data = { + .slot_b = 0, + .wire4 = 1, +}; + + +#if defined(CONFIG_MTD_DATAFLASH) +static struct mtd_partition __initdata my_flash0_partitions[] = +{ + { /* 0x8400 */ + .name = "Darrell-loader", + .offset = 0, + .size = 12* 1056, + }, + { + .name = "U-boot", + .offset = MTDPART_OFS_NXTBLK, + .size = 110 * 1056, + }, + { /* 1336 (167 blocks) pages * 1056 bytes = 0x158700 bytes */ + .name = "UBoot-env", + .offset = MTDPART_OFS_NXTBLK, + .size = 8 * 1056, + }, + { /* 1336 (167 blocks) pages * 1056 bytes = 0x158700 bytes */ + .name = "Kernel", + .offset = MTDPART_OFS_NXTBLK, + .size = 1534 * 1056, + }, + { /* 190200 - jffs2 root filesystem */ + .name = "Filesystem", + .offset = MTDPART_OFS_NXTBLK, + .size = MTDPART_SIZ_FULL, /* 26 sectors */ + } +}; + +static struct flash_platform_data __initdata my_flash0_platform = { + .name = "Removable flash card", + .parts = my_flash0_partitions, + .nr_parts = ARRAY_SIZE(my_flash0_partitions) +}; + +#endif + +static struct spi_board_info __initdata ecb_at91spi_devices[] = { + { /* DataFlash chip */ + .modalias = "mtd_dataflash", + .chip_select = 0, + .max_speed_hz = 10 * 1000 * 1000, + .bus_num = 0, +#if defined(CONFIG_MTD_DATAFLASH) + .platform_data = &my_flash0_platform, +#endif + }, + { /* User accessable spi - cs1 (250KHz) */ + .modalias = "spi-cs1", + .chip_select = 1, + .max_speed_hz = 250 * 1000, + }, + { /* User accessable spi - cs2 (1MHz) */ + .modalias = "spi-cs2", + .chip_select = 2, + .max_speed_hz = 1 * 1000 * 1000, + }, + { /* User accessable spi - cs3 (10MHz) */ + .modalias = "spi-cs3", + .chip_select = 3, + .max_speed_hz = 10 * 1000 * 1000, + }, +}; + +static void __init ecb_at91board_init(void) +{ + /* Serial */ + at91_add_device_serial(); + + /* Ethernet */ + at91_add_device_eth(&ecb_at91eth_data); + + /* USB Host */ + at91_add_device_usbh(&ecb_at91usbh_data); + + /* I2C */ + at91_add_device_i2c(NULL, 0); + + /* MMC */ + at91_add_device_mmc(0, &ecb_at91mmc_data); + + /* SPI */ + at91_add_device_spi(ecb_at91spi_devices, ARRAY_SIZE(ecb_at91spi_devices)); +} + +MACHINE_START(ECBAT91, "emQbit's ECB_AT91") + /* Maintainer: emQbit.com */ + .phys_io = AT91_BASE_SYS, + .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, + .boot_params = AT91_SDRAM_BASE + 0x100, + .timer = &at91rm9200_timer, + .map_io = ecb_at91map_io, + .init_irq = ecb_at91init_irq, + .init_machine = ecb_at91board_init, +MACHINE_END diff --git a/arch/arm/mach-at91/board-ek.c b/arch/arm/mach-at91/board-ek.c index 0574e50a30d..74aa4325eab 100644 --- a/arch/arm/mach-at91/board-ek.c +++ b/arch/arm/mach-at91/board-ek.c @@ -45,17 +45,6 @@ #include "generic.h" -/* - * Serial port configuration. - * 0 .. 3 = USART0 .. USART3 - * 4 = DBGU - */ -static struct at91_uart_config __initdata ek_uart_config = { - .console_tty = 0, /* ttyS0 */ - .nr_tty = 2, - .tty_map = { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */ -}; - static void __init ek_map_io(void) { /* Initialize processor: 18.432 MHz crystal */ @@ -64,8 +53,16 @@ static void __init ek_map_io(void) /* Setup the LEDs */ at91_init_leds(AT91_PIN_PB1, AT91_PIN_PB2); - /* Setup the serial ports and console */ - at91_init_serial(&ek_uart_config); + /* DBGU on ttyS0. (Rx & Tx only) */ + at91_register_uart(0, 0, 0); + + /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ + at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS + | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD + | ATMEL_UART_RI); + + /* set serial console to ttyS0 (ie, DBGU) */ + at91_set_serial_console(0); } static void __init ek_init_irq(void) @@ -122,7 +119,7 @@ static struct i2c_board_info __initdata ek_i2c_devices[] = { #define EK_FLASH_SIZE 0x200000 static struct physmap_flash_data ek_flash_data = { - .width = 2, + .width = 2, }; static struct resource ek_flash_resource = { diff --git a/arch/arm/mach-at91/board-kb9202.c b/arch/arm/mach-at91/board-kb9202.c index 4b39b9cda75..cb065febd95 100644 --- a/arch/arm/mach-at91/board-kb9202.c +++ b/arch/arm/mach-at91/board-kb9202.c @@ -37,19 +37,10 @@ #include <asm/arch/board.h> #include <asm/arch/gpio.h> -#include "generic.h" +#include <asm/arch/at91rm9200_mc.h> +#include "generic.h" -/* - * Serial port configuration. - * 0 .. 3 = USART0 .. USART3 - * 4 = DBGU - */ -static struct at91_uart_config __initdata kb9202_uart_config = { - .console_tty = 0, /* ttyS0 */ - .nr_tty = 3, - .tty_map = { 4, 0, 1, -1, -1 } /* ttyS0, ..., ttyS4 */ -}; static void __init kb9202_map_io(void) { @@ -59,8 +50,20 @@ static void __init kb9202_map_io(void) /* Set up the LEDs */ at91_init_leds(AT91_PIN_PC19, AT91_PIN_PC18); - /* Setup the serial ports and console */ - at91_init_serial(&kb9202_uart_config); + /* DBGU on ttyS0. (Rx & Tx only) */ + at91_register_uart(0, 0, 0); + + /* USART0 on ttyS1 (Rx & Tx only) */ + at91_register_uart(AT91RM9200_ID_US0, 1, 0); + + /* USART1 on ttyS2 (Rx & Tx only) - IRDA (optional) */ + at91_register_uart(AT91RM9200_ID_US1, 2, 0); + + /* USART3 on ttyS3 (Rx, Tx, CTS, RTS) - RS485 (optional) */ + at91_register_uart(AT91RM9200_ID_US3, 3, ATMEL_UART_CTS | ATMEL_UART_RTS); + + /* set serial console to ttyS0 (ie, DBGU) */ + at91_set_serial_console(0); } static void __init kb9202_init_irq(void) diff --git a/arch/arm/mach-at91/board-qil-a9260.c b/arch/arm/mach-at91/board-qil-a9260.c new file mode 100644 index 00000000000..99b4ec3818d --- /dev/null +++ b/arch/arm/mach-at91/board-qil-a9260.c @@ -0,0 +1,255 @@ +/* + * linux/arch/arm/mach-at91/board-qil-a9260.c + * + * Copyright (C) 2005 SAN People + * Copyright (C) 2006 Atmel + * Copyright (C) 2007 Calao-systems + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/types.h> +#include <linux/init.h> +#include <linux/mm.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/spi/spi.h> +#include <linux/gpio_keys.h> +#include <linux/input.h> +#include <linux/clk.h> + +#include <asm/hardware.h> +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/irq.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <asm/arch/board.h> +#include <asm/arch/gpio.h> +#include <asm/arch/at91_shdwc.h> + +#include "generic.h" + + +static void __init ek_map_io(void) +{ + /* Initialize processor: 12.000 MHz crystal */ + at91sam9260_initialize(12000000); + + /* DGBU on ttyS0. (Rx & Tx only) */ + at91_register_uart(0, 0, 0); + + /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ + at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS + | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD + | ATMEL_UART_RI); + + /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */ + at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS); + + /* USART2 on ttyS3. (Rx, Tx, CTS, RTS) */ + at91_register_uart(AT91SAM9260_ID_US2, 3, ATMEL_UART_CTS | ATMEL_UART_RTS); + + /* set serial console to ttyS1 (ie, USART0) */ + at91_set_serial_console(1); + +} + +static void __init ek_init_irq(void) +{ + at91sam9260_init_interrupts(NULL); +} + + +/* + * USB Host port + */ +static struct at91_usbh_data __initdata ek_usbh_data = { + .ports = 2, +}; + +/* + * USB Device port + */ +static struct at91_udc_data __initdata ek_udc_data = { + .vbus_pin = AT91_PIN_PC5, + .pullup_pin = 0, /* pull-up driven by UDC */ +}; + +/* + * SPI devices. + */ +static struct spi_board_info ek_spi_devices[] = { +#if defined(CONFIG_RTC_DRV_M41T94) + { /* M41T94 RTC */ + .modalias = "m41t94", + .chip_select = 0, + .max_speed_hz = 1 * 1000 * 1000, + .bus_num = 0, + } +#endif +}; + +/* + * MACB Ethernet device + */ +static struct at91_eth_data __initdata ek_macb_data = { + .phy_irq_pin = AT91_PIN_PA31, + .is_rmii = 1, +}; + +/* + * NAND flash + */ +static struct mtd_partition __initdata ek_nand_partition[] = { + { + .name = "Uboot & Kernel", + .offset = 0x00000000, + .size = 16 * 1024 * 1024, + }, + { + .name = "Root FS", + .offset = 0x01000000, + .size = 120 * 1024 * 1024, + }, + { + .name = "FS", + .offset = 0x08800000, + .size = 120 * 1024 * 1024, + }, +}; + +static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) +{ + *num_partitions = ARRAY_SIZE(ek_nand_partition); + return ek_nand_partition; +} + +static struct at91_nand_data __initdata ek_nand_data = { + .ale = 21, + .cle = 22, +// .det_pin = ... not connected + .rdy_pin = AT91_PIN_PC13, + .enable_pin = AT91_PIN_PC14, + .partition_info = nand_partitions, +#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16) + .bus_width_16 = 1, +#else + .bus_width_16 = 0, +#endif +}; + +/* + * MCI (SD/MMC) + */ +static struct at91_mmc_data __initdata ek_mmc_data = { + .slot_b = 0, + .wire4 = 1, +// .det_pin = ... not connected +// .wp_pin = ... not connected +// .vcc_pin = ... not connected +}; + +/* + * GPIO Buttons + */ +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) +static struct gpio_keys_button ek_buttons[] = { + { /* USER PUSH BUTTON */ + .code = KEY_ENTER, + .gpio = AT91_PIN_PB10, + .active_low = 1, + .desc = "user_pb", + .wakeup = 1, + } +}; + +static struct gpio_keys_platform_data ek_button_data = { + .buttons = ek_buttons, + .nbuttons = ARRAY_SIZE(ek_buttons), +}; + +static struct platform_device ek_button_device = { + .name = "gpio-keys", + .id = -1, + .num_resources = 0, + .dev = { + .platform_data = &ek_button_data, + } +}; + +static void __init ek_add_device_buttons(void) +{ + at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */ + at91_set_deglitch(AT91_PIN_PB10, 1); + + platform_device_register(&ek_button_device); +} +#else +static void __init ek_add_device_buttons(void) {} +#endif + +/* + * LEDs + */ +static struct gpio_led ek_leds[] = { + { /* user_led (green) */ + .name = "user_led", + .gpio = AT91_PIN_PB21, + .active_low = 0, + .default_trigger = "heartbeat", + } +}; + +static void __init ek_board_init(void) +{ + /* Serial */ + at91_add_device_serial(); + /* USB Host */ + at91_add_device_usbh(&ek_usbh_data); + /* USB Device */ + at91_add_device_udc(&ek_udc_data); + /* SPI */ + at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); + /* NAND */ + at91_add_device_nand(&ek_nand_data); + /* I2C */ + at91_add_device_i2c(NULL, 0); + /* Ethernet */ + at91_add_device_eth(&ek_macb_data); + /* MMC */ + at91_add_device_mmc(0, &ek_mmc_data); + /* Push Buttons */ + ek_add_device_buttons(); + /* LEDs */ + at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); + /* shutdown controller, wakeup button (5 msec low) */ + at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW + | AT91_SHDW_RTTWKEN); +} + +MACHINE_START(QIL_A9260, "CALAO QIL_A9260") + /* Maintainer: calao-systems */ + .phys_io = AT91_BASE_SYS, + .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, + .boot_params = AT91_SDRAM_BASE + 0x100, + .timer = &at91sam926x_timer, + .map_io = ek_map_io, + .init_irq = ek_init_irq, + .init_machine = ek_board_init, +MACHINE_END diff --git a/arch/arm/mach-at91/board-sam9-l9260.c b/arch/arm/mach-at91/board-sam9-l9260.c new file mode 100644 index 00000000000..8f76af5e219 --- /dev/null +++ b/arch/arm/mach-at91/board-sam9-l9260.c @@ -0,0 +1,199 @@ +/* + * linux/arch/arm/mach-at91/board-sam9-l9260.c + * + * Copyright (C) 2005 SAN People + * Copyright (C) 2006 Atmel + * Copyright (C) 2007 Olimex Ltd + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/types.h> +#include <linux/init.h> +#include <linux/mm.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/spi/spi.h> + +#include <asm/hardware.h> +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/irq.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <asm/arch/board.h> +#include <asm/arch/gpio.h> + +#include "generic.h" + + +static void __init ek_map_io(void) +{ + /* Initialize processor: 18.432 MHz crystal */ + at91sam9260_initialize(18432000); + + /* Setup the LEDs */ + at91_init_leds(AT91_PIN_PA9, AT91_PIN_PA6); + + /* DBGU on ttyS0. (Rx & Tx only) */ + at91_register_uart(0, 0, 0); + + /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ + at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS + | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD + | ATMEL_UART_RI); + + /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */ + at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS); + + /* set serial console to ttyS0 (ie, DBGU) */ + at91_set_serial_console(0); +} + +static void __init ek_init_irq(void) +{ + at91sam9260_init_interrupts(NULL); +} + + +/* + * USB Host port + */ +static struct at91_usbh_data __initdata ek_usbh_data = { + .ports = 2, +}; + +/* + * USB Device port + */ +static struct at91_udc_data __initdata ek_udc_data = { + .vbus_pin = AT91_PIN_PC5, + .pullup_pin = 0, /* pull-up driven by UDC */ +}; + + +/* + * SPI devices. + */ +static struct spi_board_info ek_spi_devices[] = { +#if !defined(CONFIG_MMC_AT91) + { /* DataFlash chip */ + .modalias = "mtd_dataflash", + .chip_select = 1, + .max_speed_hz = 15 * 1000 * 1000, + .bus_num = 0, + }, +#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD) + { /* DataFlash card */ + .modalias = "mtd_dataflash", + .chip_select = 0, + .max_speed_hz = 15 * 1000 * 1000, + .bus_num = 0, + }, +#endif +#endif +}; + + +/* + * MACB Ethernet device + */ +static struct at91_eth_data __initdata ek_macb_data = { + .phy_irq_pin = AT91_PIN_PA7, + .is_rmii = 0, +}; + + +/* + * NAND flash + */ +static struct mtd_partition __initdata ek_nand_partition[] = { + { + .name = "Bootloader Area", + .offset = 0, + .size = 10 * 1024 * 1024, + }, + { + .name = "User Area", + .offset = 10 * 1024 * 1024, + .size = MTDPART_SIZ_FULL, + }, +}; + +static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) +{ + *num_partitions = ARRAY_SIZE(ek_nand_partition); + return ek_nand_partition; +} + +static struct at91_nand_data __initdata ek_nand_data = { + .ale = 21, + .cle = 22, +// .det_pin = ... not connected + .rdy_pin = AT91_PIN_PC13, + .enable_pin = AT91_PIN_PC14, + .partition_info = nand_partitions, +#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16) + .bus_width_16 = 1, +#else + .bus_width_16 = 0, +#endif +}; + + +/* + * MCI (SD/MMC) + */ +static struct at91_mmc_data __initdata ek_mmc_data = { + .slot_b = 1, + .wire4 = 1, + .det_pin = AT91_PIN_PC8, + .wp_pin = AT91_PIN_PC4, +// .vcc_pin = ... not connected +}; + +static void __init ek_board_init(void) +{ + /* Serial */ + at91_add_device_serial(); + /* USB Host */ + at91_add_device_usbh(&ek_usbh_data); + /* USB Device */ + at91_add_device_udc(&ek_udc_data); + /* SPI */ + at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); + /* NAND */ + at91_add_device_nand(&ek_nand_data); + /* Ethernet */ + at91_add_device_eth(&ek_macb_data); + /* MMC */ + at91_add_device_mmc(0, &ek_mmc_data); + /* I2C */ + at91_add_device_i2c(NULL, 0); +} + +MACHINE_START(SAM9_L9260, "Olimex SAM9-L9260") + /* Maintainer: Olimex */ + .phys_io = AT91_BASE_SYS, + .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, + .boot_params = AT91_SDRAM_BASE + 0x100, + .timer = &at91sam926x_timer, + .map_io = ek_map_io, + .init_irq = ek_init_irq, + .init_machine = ek_board_init, +MACHINE_END diff --git a/arch/arm/mach-at91/board-sam9260ek.c b/arch/arm/mach-at91/board-sam9260ek.c index b343a6c2812..4d1d9c77708 100644 --- a/arch/arm/mach-at91/board-sam9260ek.c +++ b/arch/arm/mach-at91/board-sam9260ek.c @@ -25,6 +25,8 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/spi/spi.h> +#include <linux/spi/at73c213.h> +#include <linux/clk.h> #include <asm/hardware.h> #include <asm/setup.h> @@ -37,29 +39,28 @@ #include <asm/arch/board.h> #include <asm/arch/gpio.h> -#include <asm/arch/at91sam926x_mc.h> #include "generic.h" -/* - * Serial port configuration. - * 0 .. 5 = USART0 .. USART5 - * 6 = DBGU - */ -static struct at91_uart_config __initdata ek_uart_config = { - .console_tty = 0, /* ttyS0 */ - .nr_tty = 3, - .tty_map = { 6, 0, 1, -1, -1, -1, -1 } /* ttyS0, ..., ttyS6 */ -}; - static void __init ek_map_io(void) { /* Initialize processor: 18.432 MHz crystal */ at91sam9260_initialize(18432000); - /* Setup the serial ports and console */ - at91_init_serial(&ek_uart_config); + /* DGBU on ttyS0. (Rx & Tx only) */ + at91_register_uart(0, 0, 0); + + /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ + at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS + | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD + | ATMEL_UART_RI); + + /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */ + at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS); + + /* set serial console to ttyS0 (ie, DBGU) */ + at91_set_serial_console(0); } static void __init ek_init_irq(void) @@ -85,6 +86,35 @@ static struct at91_udc_data __initdata ek_udc_data = { /* + * Audio + */ +static struct at73c213_board_info at73c213_data = { + .ssc_id = 0, + .shortname = "AT91SAM9260-EK external DAC", +}; + +#if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE) +static void __init at73c213_set_clk(struct at73c213_board_info *info) +{ + struct clk *pck0; + struct clk *plla; + + pck0 = clk_get(NULL, "pck0"); + plla = clk_get(NULL, "plla"); + + /* AT73C213 MCK Clock */ + at91_set_B_periph(AT91_PIN_PC1, 0); /* PCK0 */ + + clk_set_parent(pck0, plla); + clk_put(plla); + + info->dac_clk = pck0; +} +#else +static void __init at73c213_set_clk(struct at73c213_board_info *info) {} +#endif + +/* * SPI devices. */ static struct spi_board_info ek_spi_devices[] = { @@ -110,6 +140,8 @@ static struct spi_board_info ek_spi_devices[] = { .chip_select = 0, .max_speed_hz = 10 * 1000 * 1000, .bus_num = 1, + .mode = SPI_MODE_1, + .platform_data = &at73c213_data, }, #endif }; @@ -172,6 +204,24 @@ static struct at91_mmc_data __initdata ek_mmc_data = { // .vcc_pin = ... not connected }; + +/* + * LEDs + */ +static struct gpio_led ek_leds[] = { + { /* "bottom" led, green, userled1 to be defined */ + .name = "ds5", + .gpio = AT91_PIN_PA6, + .active_low = 1, + .default_trigger = "none", + }, + { /* "power" led, yellow */ + .name = "ds1", + .gpio = AT91_PIN_PA9, + .default_trigger = "heartbeat", + } +}; + static void __init ek_board_init(void) { /* Serial */ @@ -190,6 +240,11 @@ static void __init ek_board_init(void) at91_add_device_mmc(0, &ek_mmc_data); /* I2C */ at91_add_device_i2c(NULL, 0); + /* SSC (to AT73C213) */ + at73c213_set_clk(&at73c213_data); + at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX); + /* LEDs */ + at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); } MACHINE_START(AT91SAM9260EK, "Atmel AT91SAM9260-EK") diff --git a/arch/arm/mach-at91/board-sam9261ek.c b/arch/arm/mach-at91/board-sam9261ek.c index 0ce38dfa6eb..08382c0df22 100644 --- a/arch/arm/mach-at91/board-sam9261ek.c +++ b/arch/arm/mach-at91/board-sam9261ek.c @@ -26,6 +26,8 @@ #include <linux/platform_device.h> #include <linux/spi/spi.h> #include <linux/spi/ads7846.h> +#include <linux/spi/at73c213.h> +#include <linux/clk.h> #include <linux/dm9000.h> #include <linux/fb.h> #include <linux/gpio_keys.h> @@ -44,22 +46,11 @@ #include <asm/arch/board.h> #include <asm/arch/gpio.h> -#include <asm/arch/at91sam926x_mc.h> +#include <asm/arch/at91sam9_smc.h> #include "generic.h" -/* - * Serial port configuration. - * 0 .. 2 = USART0 .. USART2 - * 3 = DBGU - */ -static struct at91_uart_config __initdata ek_uart_config = { - .console_tty = 0, /* ttyS0 */ - .nr_tty = 1, - .tty_map = { 3, -1, -1, -1 } /* ttyS0, ..., ttyS3 */ -}; - static void __init ek_map_io(void) { /* Initialize processor: 18.432 MHz crystal */ @@ -68,8 +59,11 @@ static void __init ek_map_io(void) /* Setup the LEDs */ at91_init_leds(AT91_PIN_PA13, AT91_PIN_PA14); - /* Setup the serial ports and console */ - at91_init_serial(&ek_uart_config); + /* DGBU on ttyS0. (Rx & Tx only) */ + at91_register_uart(0, 0, 0); + + /* set serial console to ttyS0 (ie, DBGU) */ + at91_set_serial_console(0); } static void __init ek_init_irq(void) @@ -239,6 +233,35 @@ static void __init ek_add_device_ts(void) {} #endif /* + * Audio + */ +static struct at73c213_board_info at73c213_data = { + .ssc_id = 1, + .shortname = "AT91SAM9261-EK external DAC", +}; + +#if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE) +static void __init at73c213_set_clk(struct at73c213_board_info *info) +{ + struct clk *pck2; + struct clk *plla; + + pck2 = clk_get(NULL, "pck2"); + plla = clk_get(NULL, "plla"); + + /* AT73C213 MCK Clock */ + at91_set_B_periph(AT91_PIN_PB31, 0); /* PCK2 */ + + clk_set_parent(pck2, plla); + clk_put(plla); + + info->dac_clk = pck2; +} +#else +static void __init at73c213_set_clk(struct at73c213_board_info *info) {} +#endif + +/* * SPI devices */ static struct spi_board_info ek_spi_devices[] = { @@ -256,6 +279,7 @@ static struct spi_board_info ek_spi_devices[] = { .bus_num = 0, .platform_data = &ads_info, .irq = AT91SAM9261_ID_IRQ0, + .controller_data = (void *) AT91_PIN_PA28, /* CS pin */ }, #endif #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD) @@ -271,6 +295,9 @@ static struct spi_board_info ek_spi_devices[] = { .chip_select = 3, .max_speed_hz = 10 * 1000 * 1000, .bus_num = 0, + .mode = SPI_MODE_1, + .platform_data = &at73c213_data, + .controller_data = (void*) AT91_PIN_PA29, /* default for CS3 is PA6, but it must be PA29 */ }, #endif }; @@ -460,6 +487,29 @@ static void __init ek_add_device_buttons(void) static void __init ek_add_device_buttons(void) {} #endif +/* + * LEDs + */ +static struct gpio_led ek_leds[] = { + { /* "bottom" led, green, userled1 to be defined */ + .name = "ds7", + .gpio = AT91_PIN_PA14, + .active_low = 1, + .default_trigger = "none", + }, + { /* "top" led, green, userled2 to be defined */ + .name = "ds8", + .gpio = AT91_PIN_PA13, + .active_low = 1, + .default_trigger = "none", + }, + { /* "power" led, yellow */ + .name = "ds1", + .gpio = AT91_PIN_PA23, + .default_trigger = "heartbeat", + } +}; + static void __init ek_board_init(void) { /* Serial */ @@ -481,6 +531,9 @@ static void __init ek_board_init(void) at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); /* Touchscreen */ ek_add_device_ts(); + /* SSC (to AT73C213) */ + at73c213_set_clk(&at73c213_data); + at91_add_device_ssc(AT91SAM9261_ID_SSC1, ATMEL_SSC_TX); #else /* MMC */ at91_add_device_mmc(0, &ek_mmc_data); @@ -489,6 +542,8 @@ static void __init ek_board_init(void) at91_add_device_lcdc(&ek_lcdc_data); /* Push Buttons */ ek_add_device_buttons(); + /* LEDs */ + at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); } MACHINE_START(AT91SAM9261EK, "Atmel AT91SAM9261-EK") diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c index bf103b24c93..b4cd5d0ed59 100644 --- a/arch/arm/mach-at91/board-sam9263ek.c +++ b/arch/arm/mach-at91/board-sam9263ek.c @@ -43,29 +43,24 @@ #include <asm/arch/board.h> #include <asm/arch/gpio.h> -#include <asm/arch/at91sam926x_mc.h> +#include <asm/arch/at91sam9_smc.h> #include "generic.h" -/* - * Serial port configuration. - * 0 .. 2 = USART0 .. USART2 - * 3 = DBGU - */ -static struct at91_uart_config __initdata ek_uart_config = { - .console_tty = 0, /* ttyS0 */ - .nr_tty = 2, - .tty_map = { 3, 0, -1, -1, } /* ttyS0, ..., ttyS3 */ -}; - static void __init ek_map_io(void) { /* Initialize processor: 16.367 MHz crystal */ at91sam9263_initialize(16367660); - /* Setup the serial ports and console */ - at91_init_serial(&ek_uart_config); + /* DGBU on ttyS0. (Rx & Tx only) */ + at91_register_uart(0, 0, 0); + + /* USART0 on ttyS1. (Rx, Tx, RTS, CTS) */ + at91_register_uart(AT91SAM9263_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS); + + /* set serial console to ttyS0 (ie, DBGU) */ + at91_set_serial_console(0); } static void __init ek_init_irq(void) @@ -341,7 +336,7 @@ static struct gpio_led ek_leds[] = { .name = "ds3", .gpio = AT91_PIN_PB7, .default_trigger = "heartbeat", - }, + } }; diff --git a/arch/arm/mach-at91/board-sam9g20ek.c b/arch/arm/mach-at91/board-sam9g20ek.c new file mode 100644 index 00000000000..45617c20124 --- /dev/null +++ b/arch/arm/mach-at91/board-sam9g20ek.c @@ -0,0 +1,218 @@ +/* + * Copyright (C) 2005 SAN People + * Copyright (C) 2008 Atmel + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/types.h> +#include <linux/init.h> +#include <linux/mm.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/spi/spi.h> +#include <linux/spi/at73c213.h> +#include <linux/clk.h> + +#include <asm/hardware.h> +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/irq.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <asm/arch/board.h> +#include <asm/arch/gpio.h> + +#include "generic.h" + + +static void __init ek_map_io(void) +{ + /* Initialize processor: 18.432 MHz crystal */ + at91sam9260_initialize(18432000); + + /* DGBU on ttyS0. (Rx & Tx only) */ + at91_register_uart(0, 0, 0); + + /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ + at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS + | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD + | ATMEL_UART_RI); + + /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */ + at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS); + + /* set serial console to ttyS0 (ie, DBGU) */ + at91_set_serial_console(0); +} + +static void __init ek_init_irq(void) +{ + at91sam9260_init_interrupts(NULL); +} + + +/* + * USB Host port + */ +static struct at91_usbh_data __initdata ek_usbh_data = { + .ports = 2, +}; + +/* + * USB Device port + */ +static struct at91_udc_data __initdata ek_udc_data = { + .vbus_pin = AT91_PIN_PC5, + .pullup_pin = 0, /* pull-up driven by UDC */ +}; + + +/* + * SPI devices. + */ +static struct spi_board_info ek_spi_devices[] = { +#if !defined(CONFIG_MMC_AT91) + { /* DataFlash chip */ + .modalias = "mtd_dataflash", + .chip_select = 1, + .max_speed_hz = 15 * 1000 * 1000, + .bus_num = 0, + }, +#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD) + { /* DataFlash card */ + .modalias = "mtd_dataflash", + .chip_select = 0, + .max_speed_hz = 15 * 1000 * 1000, + .bus_num = 0, + }, +#endif +#endif +}; + + +/* + * MACB Ethernet device + */ +static struct at91_eth_data __initdata ek_macb_data = { + .phy_irq_pin = AT91_PIN_PA7, + .is_rmii = 1, +}; + + +/* + * NAND flash + */ +static struct mtd_partition __initdata ek_nand_partition[] = { + { + .name = "Bootstrap", + .offset = 0, + .size = 4 * 1024 * 1024, + }, + { + .name = "Partition 1", + .offset = 4 * 1024 * 1024, + .size = 60 * 1024 * 1024, + }, + { + .name = "Partition 2", + .offset = 64 * 1024 * 1024, + .size = MTDPART_SIZ_FULL, + }, +}; + +static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) +{ + *num_partitions = ARRAY_SIZE(ek_nand_partition); + return ek_nand_partition; +} + +/* det_pin is not connected */ +static struct at91_nand_data __initdata ek_nand_data = { + .ale = 21, + .cle = 22, + .rdy_pin = AT91_PIN_PC13, + .enable_pin = AT91_PIN_PC14, + .partition_info = nand_partitions, +#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16) + .bus_width_16 = 1, +#else + .bus_width_16 = 0, +#endif +}; + + +/* + * MCI (SD/MMC) + * det_pin, wp_pin and vcc_pin are not connected + */ +static struct at91_mmc_data __initdata ek_mmc_data = { + .slot_b = 1, + .wire4 = 1, +}; + + +/* + * LEDs + */ +static struct gpio_led ek_leds[] = { + { /* "bottom" led, green, userled1 to be defined */ + .name = "ds5", + .gpio = AT91_PIN_PA6, + .active_low = 1, + .default_trigger = "none", + }, + { /* "power" led, yellow */ + .name = "ds1", + .gpio = AT91_PIN_PA9, + .default_trigger = "heartbeat", + } +}; + +static void __init ek_board_init(void) +{ + /* Serial */ + at91_add_device_serial(); + /* USB Host */ + at91_add_device_usbh(&ek_usbh_data); + /* USB Device */ + at91_add_device_udc(&ek_udc_data); + /* SPI */ + at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); + /* NAND */ + at91_add_device_nand(&ek_nand_data); + /* Ethernet */ + at91_add_device_eth(&ek_macb_data); + /* MMC */ + at91_add_device_mmc(0, &ek_mmc_data); + /* I2C */ + at91_add_device_i2c(NULL, 0); + /* LEDs */ + at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); +} + +MACHINE_START(AT91SAM9G20EK, "Atmel AT91SAM9G20-EK") + /* Maintainer: Atmel */ + .phys_io = AT91_BASE_SYS, + .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, + .boot_params = AT91_SDRAM_BASE + 0x100, + .timer = &at91sam926x_timer, + .map_io = ek_map_io, + .init_irq = ek_init_irq, + .init_machine = ek_board_init, +MACHINE_END diff --git a/arch/arm/mach-at91/board-sam9rlek.c b/arch/arm/mach-at91/board-sam9rlek.c index bc0546d7245..b6a70fc735c 100644 --- a/arch/arm/mach-at91/board-sam9rlek.c +++ b/arch/arm/mach-at91/board-sam9rlek.c @@ -29,29 +29,24 @@ #include <asm/arch/board.h> #include <asm/arch/gpio.h> -#include <asm/arch/at91sam926x_mc.h> +#include <asm/arch/at91sam9_smc.h> #include "generic.h" -/* - * Serial port configuration. - * 0 .. 3 = USART0 .. USART3 - * 4 = DBGU - */ -static struct at91_uart_config __initdata ek_uart_config = { - .console_tty = 0, /* ttyS0 */ - .nr_tty = 2, - .tty_map = { 4, 0, -1, -1, -1 } /* ttyS0, ..., ttyS4 */ -}; - static void __init ek_map_io(void) { /* Initialize processor: 12.000 MHz crystal */ at91sam9rl_initialize(12000000); - /* Setup the serial ports and console */ - at91_init_serial(&ek_uart_config); + /* DGBU on ttyS0. (Rx & Tx only) */ + at91_register_uart(0, 0, 0); + + /* USART0 on ttyS1. (Rx, Tx, CTS, RTS) */ + at91_register_uart(AT91SAM9RL_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS); + + /* set serial console to ttyS0 (ie, DBGU) */ + at91_set_serial_console(0); } static void __init ek_init_irq(void) @@ -61,6 +56,14 @@ static void __init ek_init_irq(void) /* + * USB HS Device port + */ +static struct usba_platform_data __initdata ek_usba_udc_data = { + .vbus_pin = AT91_PIN_PA8, +}; + + +/* * MCI (SD/MMC) */ static struct at91_mmc_data __initdata ek_mmc_data = { @@ -180,6 +183,8 @@ static void __init ek_board_init(void) { /* Serial */ at91_add_device_serial(); + /* USB HS */ + at91_add_device_usba(&ek_usba_udc_data); /* I2C */ at91_add_device_i2c(NULL, 0); /* NAND */ diff --git a/arch/arm/mach-at91/board-usb-a9260.c b/arch/arm/mach-at91/board-usb-a9260.c new file mode 100644 index 00000000000..837aedf8ffe --- /dev/null +++ b/arch/arm/mach-at91/board-usb-a9260.c @@ -0,0 +1,215 @@ +/* + * linux/arch/arm/mach-at91/board-usb-a9260.c + * + * Copyright (C) 2005 SAN People + * Copyright (C) 2006 Atmel + * Copyright (C) 2007 Calao-systems + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/types.h> +#include <linux/init.h> +#include <linux/mm.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/spi/spi.h> +#include <linux/gpio_keys.h> +#include <linux/input.h> +#include <linux/clk.h> + +#include <asm/hardware.h> +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/irq.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <asm/arch/board.h> +#include <asm/arch/gpio.h> +#include <asm/arch/at91_shdwc.h> + +#include "generic.h" + + +static void __init ek_map_io(void) +{ + /* Initialize processor: 12.000 MHz crystal */ + at91sam9260_initialize(12000000); + + /* DGBU on ttyS0. (Rx & Tx only) */ + at91_register_uart(0, 0, 0); + + /* set serial console to ttyS0 (ie, DBGU) */ + at91_set_serial_console(0); +} + +static void __init ek_init_irq(void) +{ + at91sam9260_init_interrupts(NULL); +} + + +/* + * USB Host port + */ +static struct at91_usbh_data __initdata ek_usbh_data = { + .ports = 2, +}; + +/* + * USB Device port + */ +static struct at91_udc_data __initdata ek_udc_data = { + .vbus_pin = AT91_PIN_PC5, + .pullup_pin = 0, /* pull-up driven by UDC */ +}; + +/* + * MACB Ethernet device + */ +static struct at91_eth_data __initdata ek_macb_data = { + .phy_irq_pin = AT91_PIN_PA31, + .is_rmii = 1, +}; + +/* + * NAND flash + */ +static struct mtd_partition __initdata ek_nand_partition[] = { + { + .name = "Uboot & Kernel", + .offset = 0x00000000, + .size = 16 * 1024 * 1024, + }, + { + .name = "Root FS", + .offset = 0x01000000, + .size = 120 * 1024 * 1024, + }, + { + .name = "FS", + .offset = 0x08800000, + .size = 120 * 1024 * 1024, + } +}; + +static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) +{ + *num_partitions = ARRAY_SIZE(ek_nand_partition); + return ek_nand_partition; +} + +static struct at91_nand_data __initdata ek_nand_data = { + .ale = 21, + .cle = 22, +// .det_pin = ... not connected + .rdy_pin = AT91_PIN_PC13, + .enable_pin = AT91_PIN_PC14, + .partition_info = nand_partitions, +#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16) + .bus_width_16 = 1, +#else + .bus_width_16 = 0, +#endif +}; + +/* + * GPIO Buttons + */ + +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) +static struct gpio_keys_button ek_buttons[] = { + { /* USER PUSH BUTTON */ + .code = KEY_ENTER, + .gpio = AT91_PIN_PB10, + .active_low = 1, + .desc = "user_pb", + .wakeup = 1, + } +}; + +static struct gpio_keys_platform_data ek_button_data = { + .buttons = ek_buttons, + .nbuttons = ARRAY_SIZE(ek_buttons), +}; + +static struct platform_device ek_button_device = { + .name = "gpio-keys", + .id = -1, + .num_resources = 0, + .dev = { + .platform_data = &ek_button_data, + } +}; + +static void __init ek_add_device_buttons(void) +{ + at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */ + at91_set_deglitch(AT91_PIN_PB10, 1); + + platform_device_register(&ek_button_device); +} +#else +static void __init ek_add_device_buttons(void) {} +#endif + +/* + * LEDs + */ +static struct gpio_led ek_leds[] = { + { /* user_led (green) */ + .name = "user_led", + .gpio = AT91_PIN_PB21, + .active_low = 0, + .default_trigger = "heartbeat", + } +}; + +static void __init ek_board_init(void) +{ + /* Serial */ + at91_add_device_serial(); + /* USB Host */ + at91_add_device_usbh(&ek_usbh_data); + /* USB Device */ + at91_add_device_udc(&ek_udc_data); + /* NAND */ + at91_add_device_nand(&ek_nand_data); + /* I2C */ + at91_add_device_i2c(NULL, 0); + /* Ethernet */ + at91_add_device_eth(&ek_macb_data); + /* Push Buttons */ + ek_add_device_buttons(); + /* LEDs */ + at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); + /* shutdown controller, wakeup button (5 msec low) */ + at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW + | AT91_SHDW_RTTWKEN); +} + +MACHINE_START(USB_A9260, "CALAO USB_A9260") + /* Maintainer: calao-systems */ + .phys_io = AT91_BASE_SYS, + .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, + .boot_params = AT91_SDRAM_BASE + 0x100, + .timer = &at91sam926x_timer, + .map_io = ek_map_io, + .init_irq = ek_init_irq, + .init_machine = ek_board_init, +MACHINE_END diff --git a/arch/arm/mach-at91/board-usb-a9263.c b/arch/arm/mach-at91/board-usb-a9263.c new file mode 100644 index 00000000000..95800d32bd4 --- /dev/null +++ b/arch/arm/mach-at91/board-usb-a9263.c @@ -0,0 +1,230 @@ +/* + * linux/arch/arm/mach-at91/board-usb-a9263.c + * + * Copyright (C) 2005 SAN People + * Copyright (C) 2007 Atmel Corporation. + * Copyright (C) 2007 Calao-systems + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/types.h> +#include <linux/init.h> +#include <linux/mm.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/spi/spi.h> +#include <linux/gpio_keys.h> +#include <linux/input.h> + +#include <asm/hardware.h> +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/irq.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <asm/arch/board.h> +#include <asm/arch/gpio.h> +#include <asm/arch/at91_shdwc.h> + +#include "generic.h" + + +static void __init ek_map_io(void) +{ + /* Initialize processor: 12.00 MHz crystal */ + at91sam9263_initialize(12000000); + + /* DGBU on ttyS0. (Rx & Tx only) */ + at91_register_uart(0, 0, 0); + + /* set serial console to ttyS0 (ie, DBGU) */ + at91_set_serial_console(0); +} + +static void __init ek_init_irq(void) +{ + at91sam9263_init_interrupts(NULL); +} + + +/* + * USB Host port + */ +static struct at91_usbh_data __initdata ek_usbh_data = { + .ports = 2, +}; + +/* + * USB Device port + */ +static struct at91_udc_data __initdata ek_udc_data = { + .vbus_pin = AT91_PIN_PB11, + .pullup_pin = 0, /* pull-up driven by UDC */ +}; + +/* + * SPI devices. + */ +static struct spi_board_info ek_spi_devices[] = { +#if !defined(CONFIG_MMC_AT91) + { /* DataFlash chip */ + .modalias = "mtd_dataflash", + .chip_select = 0, + .max_speed_hz = 15 * 1000 * 1000, + .bus_num = 0, + } +#endif +}; + +/* + * MACB Ethernet device + */ +static struct at91_eth_data __initdata ek_macb_data = { + .phy_irq_pin = AT91_PIN_PE31, + .is_rmii = 1, +}; + +/* + * NAND flash + */ +static struct mtd_partition __initdata ek_nand_partition[] = { + { + .name = "Linux Kernel", + .offset = 0x00000000, + .size = 16 * 1024 * 1024, + }, + { + .name = "Root FS", + .offset = 0x01000000, + .size = 120 * 1024 * 1024, + }, + { + .name = "FS", + .offset = 0x08800000, + .size = 120 * 1024 * 1024, + } +}; + +static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) +{ + *num_partitions = ARRAY_SIZE(ek_nand_partition); + return ek_nand_partition; +} + +static struct at91_nand_data __initdata ek_nand_data = { + .ale = 21, + .cle = 22, +// .det_pin = ... not connected + .rdy_pin = AT91_PIN_PA22, + .enable_pin = AT91_PIN_PD15, + .partition_info = nand_partitions, +#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16) + .bus_width_16 = 1, +#else + .bus_width_16 = 0, +#endif +}; + +/* + * GPIO Buttons + */ +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) +static struct gpio_keys_button ek_buttons[] = { + { /* USER PUSH BUTTON */ + .code = KEY_ENTER, + .gpio = AT91_PIN_PB10, + .active_low = 1, + .desc = "user_pb", + .wakeup = 1, + } +}; + +static struct gpio_keys_platform_data ek_button_data = { + .buttons = ek_buttons, + .nbuttons = ARRAY_SIZE(ek_buttons), +}; + +static struct platform_device ek_button_device = { + .name = "gpio-keys", + .id = -1, + .num_resources = 0, + .dev = { + .platform_data = &ek_button_data, + } +}; + +static void __init ek_add_device_buttons(void) +{ + at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */ + at91_set_deglitch(AT91_PIN_PB10, 1); + + platform_device_register(&ek_button_device); +} +#else +static void __init ek_add_device_buttons(void) {} +#endif + +/* + * LEDs + */ +static struct gpio_led ek_leds[] = { + { /* user_led (green) */ + .name = "user_led", + .gpio = AT91_PIN_PB21, + .active_low = 1, + .default_trigger = "heartbeat", + } +}; + + +static void __init ek_board_init(void) +{ + /* Serial */ + at91_add_device_serial(); + /* USB Host */ + at91_add_device_usbh(&ek_usbh_data); + /* USB Device */ + at91_add_device_udc(&ek_udc_data); + /* SPI */ + at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); + /* Ethernet */ + at91_add_device_eth(&ek_macb_data); + /* NAND */ + at91_add_device_nand(&ek_nand_data); + /* I2C */ + at91_add_device_i2c(NULL, 0); + /* Push Buttons */ + ek_add_device_buttons(); + /* LEDs */ + at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); + /* shutdown controller, wakeup button (5 msec low) */ + at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW + | AT91_SHDW_RTTWKEN); +} + +MACHINE_START(USB_A9263, "CALAO USB_A9263") + /* Maintainer: calao-systems */ + .phys_io = AT91_BASE_SYS, + .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, + .boot_params = AT91_SDRAM_BASE + 0x100, + .timer = &at91sam926x_timer, + .map_io = ek_map_io, + .init_irq = ek_init_irq, + .init_machine = ek_board_init, +MACHINE_END diff --git a/arch/arm/mach-at91/board-yl-9200.c b/arch/arm/mach-at91/board-yl-9200.c new file mode 100755 index 00000000000..7079050ab88 --- /dev/null +++ b/arch/arm/mach-at91/board-yl-9200.c @@ -0,0 +1,604 @@ +/* + * linux/arch/arm/mach-at91/board-yl-9200.c + * + * Adapted from various board files in arch/arm/mach-at91 + * + * Modifications for YL-9200 platform: + * Copyright (C) 2007 S. Birtles + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/types.h> +#include <linux/init.h> +#include <linux/mm.h> +#include <linux/module.h> +#include <linux/dma-mapping.h> +#include <linux/platform_device.h> +#include <linux/spi/spi.h> +#include <linux/spi/ads7846.h> +#include <linux/mtd/physmap.h> +#include <linux/gpio_keys.h> +#include <linux/input.h> + +#include <asm/hardware.h> +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/irq.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <asm/arch/board.h> +#include <asm/arch/gpio.h> +#include <asm/arch/at91rm9200_mc.h> + +#include "generic.h" + + +static void __init yl9200_map_io(void) +{ + /* Initialize processor: 18.432 MHz crystal */ + at91rm9200_initialize(18432000, AT91RM9200_PQFP); + + /* Setup the LEDs D2=PB17 (timer), D3=PB16 (cpu) */ + at91_init_leds(AT91_PIN_PB16, AT91_PIN_PB17); + + /* DBGU on ttyS0. (Rx & Tx only) */ + at91_register_uart(0, 0, 0); + + /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ + at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS + | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD + | ATMEL_UART_RI); + + /* USART0 on ttyS2. (Rx & Tx only to JP3) */ + at91_register_uart(AT91RM9200_ID_US0, 2, 0); + + /* USART3 on ttyS3. (Rx, Tx, RTS - RS485 interface) */ + at91_register_uart(AT91RM9200_ID_US3, 3, ATMEL_UART_RTS); + + /* set serial console to ttyS0 (ie, DBGU) */ + at91_set_serial_console(0); +} + +static void __init yl9200_init_irq(void) +{ + at91rm9200_init_interrupts(NULL); +} + + +/* + * LEDs + */ +static struct gpio_led yl9200_leds[] = { + { /* D2 */ + .name = "led2", + .gpio = AT91_PIN_PB17, + .active_low = 1, + .default_trigger = "timer", + }, + { /* D3 */ + .name = "led3", + .gpio = AT91_PIN_PB16, + .active_low = 1, + .default_trigger = "heartbeat", + }, + { /* D4 */ + .name = "led4", + .gpio = AT91_PIN_PB15, + .active_low = 1, + }, + { /* D5 */ + .name = "led5", + .gpio = AT91_PIN_PB8, + .active_low = 1, + } +}; + +/* + * Ethernet + */ +static struct at91_eth_data __initdata yl9200_eth_data = { + .phy_irq_pin = AT91_PIN_PB28, + .is_rmii = 1, +}; + +/* + * USB Host + */ +static struct at91_usbh_data __initdata yl9200_usbh_data = { + .ports = 1, /* PQFP version of AT91RM9200 */ +}; + +/* + * USB Device + */ +static struct at91_udc_data __initdata yl9200_udc_data = { + .pullup_pin = AT91_PIN_PC4, + .vbus_pin = AT91_PIN_PC5, + .pullup_active_low = 1, /* Active Low due to PNP transistor (pg 7) */ + +}; + +/* + * MMC + */ +static struct at91_mmc_data __initdata yl9200_mmc_data = { + .det_pin = AT91_PIN_PB9, + // .wp_pin = ... not connected + .wire4 = 1, +}; + +/* + * NAND Flash + */ +static struct mtd_partition __initdata yl9200_nand_partition[] = { + { + .name = "AT91 NAND partition 1, boot", + .offset = 0, + .size = 1 * SZ_256K + }, + { + .name = "AT91 NAND partition 2, kernel", + .offset = 1 * SZ_256K, + .size = 2 * SZ_1M - 1 * SZ_256K + }, + { + .name = "AT91 NAND partition 3, filesystem", + .offset = 2 * SZ_1M, + .size = 14 * SZ_1M + }, + { + .name = "AT91 NAND partition 4, storage", + .offset = 16 * SZ_1M, + .size = 16 * SZ_1M + }, + { + .name = "AT91 NAND partition 5, ext-fs", + .offset = 32 * SZ_1M, + .size = 32 * SZ_1M + } +}; + +static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) +{ + *num_partitions = ARRAY_SIZE(yl9200_nand_partition); + return yl9200_nand_partition; +} + +static struct at91_nand_data __initdata yl9200_nand_data = { + .ale = 6, + .cle = 7, + // .det_pin = ... not connected + .rdy_pin = AT91_PIN_PC14, /* R/!B (Sheet10) */ + .enable_pin = AT91_PIN_PC15, /* !CE (Sheet10) */ + .partition_info = nand_partitions, +}; + +/* + * NOR Flash + */ +#define YL9200_FLASH_BASE AT91_CHIPSELECT_0 +#define YL9200_FLASH_SIZE 0x1000000 + +static struct mtd_partition yl9200_flash_partitions[] = { + { + .name = "Bootloader", + .size = 0x00040000, + .offset = 0, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + { + .name = "Kernel", + .size = 0x001C0000, + .offset = 0x00040000, + }, + { + .name = "Filesystem", + .size = MTDPART_SIZ_FULL, + .offset = 0x00200000 + } +}; + +static struct physmap_flash_data yl9200_flash_data = { + .width = 2, + .parts = yl9200_flash_partitions, + .nr_parts = ARRAY_SIZE(yl9200_flash_partitions), +}; + +static struct resource yl9200_flash_resources[] = { + { + .start = YL9200_FLASH_BASE, + .end = YL9200_FLASH_BASE + YL9200_FLASH_SIZE - 1, + .flags = IORESOURCE_MEM, + } +}; + +static struct platform_device yl9200_flash = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &yl9200_flash_data, + }, + .resource = yl9200_flash_resources, + .num_resources = ARRAY_SIZE(yl9200_flash_resources), +}; + +/* + * I2C (TWI) + */ +static struct i2c_board_info __initdata yl9200_i2c_devices[] = { + { /* EEPROM */ + I2C_BOARD_INFO("24c128", 0x50), + } +}; + +/* + * GPIO Buttons +*/ +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) +static struct gpio_keys_button yl9200_buttons[] = { + { + .gpio = AT91_PIN_PA24, + .code = BTN_2, + .desc = "SW2", + .active_low = 1, + .wakeup = 1, + }, + { + .gpio = AT91_PIN_PB1, + .code = BTN_3, + .desc = "SW3", + .active_low = 1, + .wakeup = 1, + }, + { + .gpio = AT91_PIN_PB2, + .code = BTN_4, + .desc = "SW4", + .active_low = 1, + .wakeup = 1, + }, + { + .gpio = AT91_PIN_PB6, + .code = BTN_5, + .desc = "SW5", + .active_low = 1, + .wakeup = 1, + } +}; + +static struct gpio_keys_platform_data yl9200_button_data = { + .buttons = yl9200_buttons, + .nbuttons = ARRAY_SIZE(yl9200_buttons), +}; + +static struct platform_device yl9200_button_device = { + .name = "gpio-keys", + .id = -1, + .num_resources = 0, + .dev = { + .platform_data = &yl9200_button_data, + } +}; + +static void __init yl9200_add_device_buttons(void) +{ + at91_set_gpio_input(AT91_PIN_PA24, 1); /* SW2 */ + at91_set_deglitch(AT91_PIN_PA24, 1); + at91_set_gpio_input(AT91_PIN_PB1, 1); /* SW3 */ + at91_set_deglitch(AT91_PIN_PB1, 1); + at91_set_gpio_input(AT91_PIN_PB2, 1); /* SW4 */ + at91_set_deglitch(AT91_PIN_PB2, 1); + at91_set_gpio_input(AT91_PIN_PB6, 1); /* SW5 */ + at91_set_deglitch(AT91_PIN_PB6, 1); + + /* Enable buttons (Sheet 5) */ + at91_set_gpio_output(AT91_PIN_PB7, 1); + + platform_device_register(&yl9200_button_device); +} +#else +static void __init yl9200_add_device_buttons(void) {} +#endif + +/* + * Touchscreen + */ +#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) +static int ads7843_pendown_state(void) +{ + return !at91_get_gpio_value(AT91_PIN_PB11); /* Touchscreen PENIRQ */ +} + +static struct ads7846_platform_data ads_info = { + .model = 7843, + .x_min = 150, + .x_max = 3830, + .y_min = 190, + .y_max = 3830, + .vref_delay_usecs = 100, + + /* For a 8" touch-screen */ + // .x_plate_ohms = 603, + // .y_plate_ohms = 332, + + /* For a 10.4" touch-screen */ + // .x_plate_ohms = 611, + // .y_plate_ohms = 325, + + .x_plate_ohms = 576, + .y_plate_ohms = 366, + + .pressure_max = 15000, /* generally nonsense on the 7843 */ + .debounce_max = 1, + .debounce_rep = 0, + .debounce_tol = (~0), + .get_pendown_state = ads7843_pendown_state, +}; + +static void __init yl9200_add_device_ts(void) +{ + at91_set_gpio_input(AT91_PIN_PB11, 1); /* Touchscreen interrupt pin */ + at91_set_gpio_input(AT91_PIN_PB10, 1); /* Touchscreen BUSY signal - not used! */ +} +#else +static void __init yl9200_add_device_ts(void) {} +#endif + +/* + * SPI devices + */ +static struct spi_board_info yl9200_spi_devices[] = { +#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) + { /* Touchscreen */ + .modalias = "ads7846", + .chip_select = 0, + .max_speed_hz = 5000 * 26, + .platform_data = &ads_info, + .irq = AT91_PIN_PB11, + }, +#endif + { /* CAN */ + .modalias = "mcp2510", + .chip_select = 1, + .max_speed_hz = 25000 * 26, + .irq = AT91_PIN_PC0, + } +}; + +/* + * LCD / VGA + * + * EPSON S1D13806 FB (discontinued chip) + * EPSON S1D13506 FB + */ +#if defined(CONFIG_FB_S1D135XX) || defined(CONFIG_FB_S1D13XXX_MODULE) +#include <video/s1d13xxxfb.h> + +#define AT91_FB_REG_BASE 0x80000000L +#define AT91_FB_REG_SIZE 0x200 +#define AT91_FB_VMEM_BASE 0x80200000L +#define AT91_FB_VMEM_SIZE 0x200000L + +static void __init yl9200_init_video(void) +{ + /* NWAIT Signal */ + at91_set_A_periph(AT91_PIN_PC6, 0); + + /* Initialization of the Static Memory Controller for Chip Select 2 */ + at91_sys_write(AT91_SMC_CSR(2), AT91_SMC_DBW_16 /* 16 bit */ + | AT91_SMC_WSEN | AT91_SMC_NWS_(0x4) /* wait states */ + | AT91_SMC_TDF_(0x100) /* float time */ + ); +} + +static struct s1d13xxxfb_regval yl9200_s1dfb_initregs[] = +{ + {S1DREG_MISC, 0x00}, /* Miscellaneous Register*/ + {S1DREG_COM_DISP_MODE, 0x01}, /* Display Mode Register, LCD only*/ + {S1DREG_GPIO_CNF0, 0x00}, /* General IO Pins Configuration Register*/ + {S1DREG_GPIO_CTL0, 0x00}, /* General IO Pins Control Register*/ + {S1DREG_CLK_CNF, 0x11}, /* Memory Clock Configuration Register*/ + {S1DREG_LCD_CLK_CNF, 0x10}, /* LCD Pixel Clock Configuration Register*/ + {S1DREG_CRT_CLK_CNF, 0x12}, /* CRT/TV Pixel Clock Configuration Register*/ + {S1DREG_MPLUG_CLK_CNF, 0x01}, /* MediaPlug Clock Configuration Register*/ + {S1DREG_CPU2MEM_WST_SEL, 0x02}, /* CPU To Memory Wait State Select Register*/ + {S1DREG_MEM_CNF, 0x00}, /* Memory Configuration Register*/ + {S1DREG_SDRAM_REF_RATE, 0x04}, /* DRAM Refresh Rate Register, MCLK source*/ + {S1DREG_SDRAM_TC0, 0x12}, /* DRAM Timings Control Register 0*/ + {S1DREG_SDRAM_TC1, 0x02}, /* DRAM Timings Control Register 1*/ + {S1DREG_PANEL_TYPE, 0x25}, /* Panel Type Register*/ + {S1DREG_MOD_RATE, 0x00}, /* MOD Rate Register*/ + {S1DREG_LCD_DISP_HWIDTH, 0x4F}, /* LCD Horizontal Display Width Register*/ + {S1DREG_LCD_NDISP_HPER, 0x13}, /* LCD Horizontal Non-Display Period Register*/ + {S1DREG_TFT_FPLINE_START, 0x01}, /* TFT FPLINE Start Position Register*/ + {S1DREG_TFT_FPLINE_PWIDTH, 0x0c}, /* TFT FPLINE Pulse Width Register*/ + {S1DREG_LCD_DISP_VHEIGHT0, 0xDF}, /* LCD Vertical Display Height Register 0*/ + {S1DREG_LCD_DISP_VHEIGHT1, 0x01}, /* LCD Vertical Display Height Register 1*/ + {S1DREG_LCD_NDISP_VPER, 0x2c}, /* LCD Vertical Non-Display Period Register*/ + {S1DREG_TFT_FPFRAME_START, 0x0a}, /* TFT FPFRAME Start Position Register*/ + {S1DREG_TFT_FPFRAME_PWIDTH, 0x02}, /* TFT FPFRAME Pulse Width Register*/ + {S1DREG_LCD_DISP_MODE, 0x05}, /* LCD Display Mode Register*/ + {S1DREG_LCD_MISC, 0x01}, /* LCD Miscellaneous Register*/ + {S1DREG_LCD_DISP_START0, 0x00}, /* LCD Display Start Address Register 0*/ + {S1DREG_LCD_DISP_START1, 0x00}, /* LCD Display Start Address Register 1*/ + {S1DREG_LCD_DISP_START2, 0x00}, /* LCD Display Start Address Register 2*/ + {S1DREG_LCD_MEM_OFF0, 0x80}, /* LCD Memory Address Offset Register 0*/ + {S1DREG_LCD_MEM_OFF1, 0x02}, /* LCD Memory Address Offset Register 1*/ + {S1DREG_LCD_PIX_PAN, 0x03}, /* LCD Pixel Panning Register*/ + {S1DREG_LCD_DISP_FIFO_HTC, 0x00}, /* LCD Display FIFO High Threshold Control Register*/ + {S1DREG_LCD_DISP_FIFO_LTC, 0x00}, /* LCD Display FIFO Low Threshold Control Register*/ + {S1DREG_CRT_DISP_HWIDTH, 0x4F}, /* CRT/TV Horizontal Display Width Register*/ + {S1DREG_CRT_NDISP_HPER, 0x13}, /* CRT/TV Horizontal Non-Display Period Register*/ + {S1DREG_CRT_HRTC_START, 0x01}, /* CRT/TV HRTC Start Position Register*/ + {S1DREG_CRT_HRTC_PWIDTH, 0x0B}, /* CRT/TV HRTC Pulse Width Register*/ + {S1DREG_CRT_DISP_VHEIGHT0, 0xDF}, /* CRT/TV Vertical Display Height Register 0*/ + {S1DREG_CRT_DISP_VHEIGHT1, 0x01}, /* CRT/TV Vertical Display Height Register 1*/ + {S1DREG_CRT_NDISP_VPER, 0x2B}, /* CRT/TV Vertical Non-Display Period Register*/ + {S1DREG_CRT_VRTC_START, 0x09}, /* CRT/TV VRTC Start Position Register*/ + {S1DREG_CRT_VRTC_PWIDTH, 0x01}, /* CRT/TV VRTC Pulse Width Register*/ + {S1DREG_TV_OUT_CTL, 0x18}, /* TV Output Control Register */ + {S1DREG_CRT_DISP_MODE, 0x05}, /* CRT/TV Display Mode Register, 16BPP*/ + {S1DREG_CRT_DISP_START0, 0x00}, /* CRT/TV Display Start Address Register 0*/ + {S1DREG_CRT_DISP_START1, 0x00}, /* CRT/TV Display Start Address Register 1*/ + {S1DREG_CRT_DISP_START2, 0x00}, /* CRT/TV Display Start Address Register 2*/ + {S1DREG_CRT_MEM_OFF0, 0x80}, /* CRT/TV Memory Address Offset Register 0*/ + {S1DREG_CRT_MEM_OFF1, 0x02}, /* CRT/TV Memory Address Offset Register 1*/ + {S1DREG_CRT_PIX_PAN, 0x00}, /* CRT/TV Pixel Panning Register*/ + {S1DREG_CRT_DISP_FIFO_HTC, 0x00}, /* CRT/TV Display FIFO High Threshold Control Register*/ + {S1DREG_CRT_DISP_FIFO_LTC, 0x00}, /* CRT/TV Display FIFO Low Threshold Control Register*/ + {S1DREG_LCD_CUR_CTL, 0x00}, /* LCD Ink/Cursor Control Register*/ + {S1DREG_LCD_CUR_START, 0x01}, /* LCD Ink/Cursor Start Address Register*/ + {S1DREG_LCD_CUR_XPOS0, 0x00}, /* LCD Cursor X Position Register 0*/ + {S1DREG_LCD_CUR_XPOS1, 0x00}, /* LCD Cursor X Position Register 1*/ + {S1DREG_LCD_CUR_YPOS0, 0x00}, /* LCD Cursor Y Position Register 0*/ + {S1DREG_LCD_CUR_YPOS1, 0x00}, /* LCD Cursor Y Position Register 1*/ + {S1DREG_LCD_CUR_BCTL0, 0x00}, /* LCD Ink/Cursor Blue Color 0 Register*/ + {S1DREG_LCD_CUR_GCTL0, 0x00}, /* LCD Ink/Cursor Green Color 0 Register*/ + {S1DREG_LCD_CUR_RCTL0, 0x00}, /* LCD Ink/Cursor Red Color 0 Register*/ + {S1DREG_LCD_CUR_BCTL1, 0x1F}, /* LCD Ink/Cursor Blue Color 1 Register*/ + {S1DREG_LCD_CUR_GCTL1, 0x3F}, /* LCD Ink/Cursor Green Color 1 Register*/ + {S1DREG_LCD_CUR_RCTL1, 0x1F}, /* LCD Ink/Cursor Red Color 1 Register*/ + {S1DREG_LCD_CUR_FIFO_HTC, 0x00}, /* LCD Ink/Cursor FIFO Threshold Register*/ + {S1DREG_CRT_CUR_CTL, 0x00}, /* CRT/TV Ink/Cursor Control Register*/ + {S1DREG_CRT_CUR_START, 0x01}, /* CRT/TV Ink/Cursor Start Address Register*/ + {S1DREG_CRT_CUR_XPOS0, 0x00}, /* CRT/TV Cursor X Position Register 0*/ + {S1DREG_CRT_CUR_XPOS1, 0x00}, /* CRT/TV Cursor X Position Register 1*/ + {S1DREG_CRT_CUR_YPOS0, 0x00}, /* CRT/TV Cursor Y Position Register 0*/ + {S1DREG_CRT_CUR_YPOS1, 0x00}, /* CRT/TV Cursor Y Position Register 1*/ + {S1DREG_CRT_CUR_BCTL0, 0x00}, /* CRT/TV Ink/Cursor Blue Color 0 Register*/ + {S1DREG_CRT_CUR_GCTL0, 0x00}, /* CRT/TV Ink/Cursor Green Color 0 Register*/ + {S1DREG_CRT_CUR_RCTL0, 0x00}, /* CRT/TV Ink/Cursor Red Color 0 Register*/ + {S1DREG_CRT_CUR_BCTL1, 0x1F}, /* CRT/TV Ink/Cursor Blue Color 1 Register*/ + {S1DREG_CRT_CUR_GCTL1, 0x3F}, /* CRT/TV Ink/Cursor Green Color 1 Register*/ + {S1DREG_CRT_CUR_RCTL1, 0x1F}, /* CRT/TV Ink/Cursor Red Color 1 Register*/ + {S1DREG_CRT_CUR_FIFO_HTC, 0x00}, /* CRT/TV Ink/Cursor FIFO Threshold Register*/ + {S1DREG_BBLT_CTL0, 0x00}, /* BitBlt Control Register 0*/ + {S1DREG_BBLT_CTL1, 0x01}, /* BitBlt Control Register 1*/ + {S1DREG_BBLT_CC_EXP, 0x00}, /* BitBlt ROP Code/Color Expansion Register*/ + {S1DREG_BBLT_OP, 0x00}, /* BitBlt Operation Register*/ + {S1DREG_BBLT_SRC_START0, 0x00}, /* BitBlt Source Start Address Register 0*/ + {S1DREG_BBLT_SRC_START1, 0x00}, /* BitBlt Source Start Address Register 1*/ + {S1DREG_BBLT_SRC_START2, 0x00}, /* BitBlt Source Start Address Register 2*/ + {S1DREG_BBLT_DST_START0, 0x00}, /* BitBlt Destination Start Address Register 0*/ + {S1DREG_BBLT_DST_START1, 0x00}, /* BitBlt Destination Start Address Register 1*/ + {S1DREG_BBLT_DST_START2, 0x00}, /* BitBlt Destination Start Address Register 2*/ + {S1DREG_BBLT_MEM_OFF0, 0x00}, /* BitBlt Memory Address Offset Register 0*/ + {S1DREG_BBLT_MEM_OFF1, 0x00}, /* BitBlt Memory Address Offset Register 1*/ + {S1DREG_BBLT_WIDTH0, 0x00}, /* BitBlt Width Register 0*/ + {S1DREG_BBLT_WIDTH1, 0x00}, /* BitBlt Width Register 1*/ + {S1DREG_BBLT_HEIGHT0, 0x00}, /* BitBlt Height Register 0*/ + {S1DREG_BBLT_HEIGHT1, 0x00}, /* BitBlt Height Register 1*/ + {S1DREG_BBLT_BGC0, 0x00}, /* BitBlt Background Color Register 0*/ + {S1DREG_BBLT_BGC1, 0x00}, /* BitBlt Background Color Register 1*/ + {S1DREG_BBLT_FGC0, 0x00}, /* BitBlt Foreground Color Register 0*/ + {S1DREG_BBLT_FGC1, 0x00}, /* BitBlt Foreground Color Register 1*/ + {S1DREG_LKUP_MODE, 0x00}, /* Look-Up Table Mode Register*/ + {S1DREG_LKUP_ADDR, 0x00}, /* Look-Up Table Address Register*/ + {S1DREG_PS_CNF, 0x00}, /* Power Save Configuration Register*/ + {S1DREG_PS_STATUS, 0x00}, /* Power Save Status Register*/ + {S1DREG_CPU2MEM_WDOGT, 0x00}, /* CPU-to-Memory Access Watchdog Timer Register*/ + {S1DREG_COM_DISP_MODE, 0x01}, /* Display Mode Register, LCD only*/ +}; + +static u64 s1dfb_dmamask = DMA_BIT_MASK(32); + +static struct s1d13xxxfb_pdata yl9200_s1dfb_pdata = { + .initregs = yl9200_s1dfb_initregs, + .initregssize = ARRAY_SIZE(yl9200_s1dfb_initregs), + .platform_init_video = yl9200_init_video, +}; + +static struct resource yl9200_s1dfb_resource[] = { + [0] = { /* video mem */ + .name = "s1d13xxxfb memory", + .start = AT91_FB_VMEM_BASE, + .end = AT91_FB_VMEM_BASE + AT91_FB_VMEM_SIZE -1, + .flags = IORESOURCE_MEM, + }, + [1] = { /* video registers */ + .name = "s1d13xxxfb registers", + .start = AT91_FB_REG_BASE, + .end = AT91_FB_REG_BASE + AT91_FB_REG_SIZE -1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device yl9200_s1dfb_device = { + .name = "s1d13806fb", + .id = -1, + .dev = { + .dma_mask = &s1dfb_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &yl9200_s1dfb_pdata, + }, + .resource = yl9200_s1dfb_resource, + .num_resources = ARRAY_SIZE(yl9200_s1dfb_resource), +}; + +void __init yl9200_add_device_video(void) +{ + platform_device_register(&yl9200_s1dfb_device); +} +#else +void __init yl9200_add_device_video(void) {} +#endif + + +static void __init yl9200_board_init(void) +{ + /* Serial */ + at91_add_device_serial(); + /* Ethernet */ + at91_add_device_eth(&yl9200_eth_data); + /* USB Host */ + at91_add_device_usbh(&yl9200_usbh_data); + /* USB Device */ + at91_add_device_udc(&yl9200_udc_data); + /* I2C */ + at91_add_device_i2c(yl9200_i2c_devices, ARRAY_SIZE(yl9200_i2c_devices)); + /* MMC */ + at91_add_device_mmc(0, &yl9200_mmc_data); + /* NAND */ + at91_add_device_nand(&yl9200_nand_data); + /* NOR Flash */ + platform_device_register(&yl9200_flash); +#if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE) + /* SPI */ + at91_add_device_spi(yl9200_spi_devices, ARRAY_SIZE(yl9200_spi_devices)); + /* Touchscreen */ + yl9200_add_device_ts(); +#endif + /* LEDs. */ + at91_gpio_leds(yl9200_leds, ARRAY_SIZE(yl9200_leds)); + /* Push Buttons */ + yl9200_add_device_buttons(); + /* VGA */ + yl9200_add_device_video(); +} + +MACHINE_START(YL9200, "uCdragon YL-9200") + /* Maintainer: S.Birtles */ + .phys_io = AT91_BASE_SYS, + .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, + .boot_params = AT91_SDRAM_BASE + 0x100, + .timer = &at91rm9200_timer, + .map_io = yl9200_map_io, + .init_irq = yl9200_init_irq, + .init_machine = yl9200_board_init, +MACHINE_END diff --git a/arch/arm/mach-at91/clock.c b/arch/arm/mach-at91/clock.c index de6424e9ac0..464bdbbf74d 100644 --- a/arch/arm/mach-at91/clock.c +++ b/arch/arm/mach-at91/clock.c @@ -23,7 +23,6 @@ #include <linux/delay.h> #include <linux/clk.h> -#include <asm/semaphore.h> #include <asm/io.h> #include <asm/mach-types.h> @@ -113,12 +112,34 @@ static void pmc_sys_mode(struct clk *clk, int is_on) at91_sys_write(AT91_PMC_SCDR, clk->pmc_mask); } +static void pmc_uckr_mode(struct clk *clk, int is_on) +{ + unsigned int uckr = at91_sys_read(AT91_CKGR_UCKR); + + if (is_on) { + is_on = AT91_PMC_LOCKU; + at91_sys_write(AT91_CKGR_UCKR, uckr | clk->pmc_mask); + } else + at91_sys_write(AT91_CKGR_UCKR, uckr & ~(clk->pmc_mask)); + + do { + cpu_relax(); + } while ((at91_sys_read(AT91_PMC_SR) & AT91_PMC_LOCKU) != is_on); +} + /* USB function clocks (PLLB must be 48 MHz) */ static struct clk udpck = { .name = "udpck", .parent = &pllb, .mode = pmc_sys_mode, }; +static struct clk utmi_clk = { + .name = "utmi_clk", + .parent = &main_clk, + .pmc_mask = AT91_PMC_UPLLEN, /* in CKGR_UCKR */ + .mode = pmc_uckr_mode, + .type = CLK_TYPE_PLL, +}; static struct clk uhpck = { .name = "uhpck", .parent = &pllb, @@ -362,7 +383,7 @@ static void __init init_programmable_clock(struct clk *clk) static int at91_clk_show(struct seq_file *s, void *unused) { - u32 scsr, pcsr, sr; + u32 scsr, pcsr, uckr = 0, sr; struct clk *clk; seq_printf(s, "SCSR = %8x\n", scsr = at91_sys_read(AT91_PMC_SCSR)); @@ -370,7 +391,10 @@ static int at91_clk_show(struct seq_file *s, void *unused) seq_printf(s, "MOR = %8x\n", at91_sys_read(AT91_CKGR_MOR)); seq_printf(s, "MCFR = %8x\n", at91_sys_read(AT91_CKGR_MCFR)); seq_printf(s, "PLLA = %8x\n", at91_sys_read(AT91_CKGR_PLLAR)); - seq_printf(s, "PLLB = %8x\n", at91_sys_read(AT91_CKGR_PLLBR)); + if (!cpu_is_at91sam9rl()) + seq_printf(s, "PLLB = %8x\n", at91_sys_read(AT91_CKGR_PLLBR)); + if (cpu_is_at91cap9() || cpu_is_at91sam9rl()) + seq_printf(s, "UCKR = %8x\n", uckr = at91_sys_read(AT91_CKGR_UCKR)); seq_printf(s, "MCKR = %8x\n", at91_sys_read(AT91_PMC_MCKR)); seq_printf(s, "SR = %8x\n", sr = at91_sys_read(AT91_PMC_SR)); @@ -383,6 +407,8 @@ static int at91_clk_show(struct seq_file *s, void *unused) state = (scsr & clk->pmc_mask) ? "on" : "off"; else if (clk->mode == pmc_periph_mode) state = (pcsr & clk->pmc_mask) ? "on" : "off"; + else if (clk->mode == pmc_uckr_mode) + state = (uckr & clk->pmc_mask) ? "on" : "off"; else if (clk->pmc_mask) state = (sr & clk->pmc_mask) ? "on" : "off"; else if (clk == &clk32k || clk == &main_clk) @@ -489,14 +515,19 @@ static unsigned __init at91_pll_calc(unsigned main_freq, unsigned out_freq) /* * PLL input between 1MHz and 32MHz per spec, but lower * frequences seem necessary in some cases so allow 100K. + * Warning: some newer products need 2MHz min. */ input = main_freq / i; + if (cpu_is_at91sam9g20() && input < 2000000) + continue; if (input < 100000) continue; if (input > 32000000) continue; mul1 = out_freq / input; + if (cpu_is_at91sam9g20() && mul > 63) + continue; if (mul1 > 2048) continue; if (mul1 < 2) @@ -556,7 +587,8 @@ int __init at91_clock_init(unsigned long main_clock) /* report if PLLA is more than mildly overclocked */ plla.rate_hz = at91_pll_rate(&plla, main_clock, at91_sys_read(AT91_CKGR_PLLAR)); - if (plla.rate_hz > 209000000) + if ((!cpu_is_at91sam9g20() && plla.rate_hz > 209000000) + || (cpu_is_at91sam9g20() && plla.rate_hz > 800000000)) pr_info("Clocks: PLLA overclocked, %ld MHz\n", plla.rate_hz / 1000000); /* @@ -571,7 +603,7 @@ int __init at91_clock_init(unsigned long main_clock) uhpck.pmc_mask = AT91RM9200_PMC_UHP; udpck.pmc_mask = AT91RM9200_PMC_UDP; at91_sys_write(AT91_PMC_SCER, AT91RM9200_PMC_MCKUDP); - } else if (cpu_is_at91sam9260() || cpu_is_at91sam9261() || cpu_is_at91sam9263()) { + } else if (cpu_is_at91sam9260() || cpu_is_at91sam9261() || cpu_is_at91sam9263() || cpu_is_at91sam9g20()) { uhpck.pmc_mask = AT91SAM926x_PMC_UHP; udpck.pmc_mask = AT91SAM926x_PMC_UDP; } else if (cpu_is_at91cap9()) { @@ -583,6 +615,17 @@ int __init at91_clock_init(unsigned long main_clock) uhpck.rate_hz = at91_usb_rate(&pllb, pllb.rate_hz, at91_pllb_usb_init); /* + * USB HS clock init + */ + if (cpu_is_at91cap9() || cpu_is_at91sam9rl()) { + /* + * multiplier is hard-wired to 40 + * (obtain the USB High Speed 480 MHz when input is 12 MHz) + */ + utmi_clk.rate_hz = 40 * utmi_clk.parent->rate_hz; + } + + /* * MCK and CPU derive from one of those primary clocks. * For now, assume this parentage won't change. */ @@ -592,13 +635,21 @@ int __init at91_clock_init(unsigned long main_clock) freq /= (1 << ((mckr & AT91_PMC_PRES) >> 2)); /* prescale */ if (cpu_is_at91rm9200()) mck.rate_hz = freq / (1 + ((mckr & AT91_PMC_MDIV) >> 8)); /* mdiv */ - else - mck.rate_hz = freq / (1 << ((mckr & AT91_PMC_MDIV) >> 8)); /* mdiv */ + else if (cpu_is_at91sam9g20()) { + mck.rate_hz = (mckr & AT91_PMC_MDIV) ? + freq / ((mckr & AT91_PMC_MDIV) >> 7) : freq; /* mdiv ; (x >> 7) = ((x >> 8) * 2) */ + if (mckr & AT91_PMC_PDIV) + freq /= 2; /* processor clock division */ + } else + mck.rate_hz = freq / (1 << ((mckr & AT91_PMC_MDIV) >> 8)); /* mdiv */ /* Register the PMC's standard clocks */ for (i = 0; i < ARRAY_SIZE(standard_pmc_clocks); i++) list_add_tail(&standard_pmc_clocks[i]->node, &clocks); + if (cpu_is_at91cap9() || cpu_is_at91sam9rl()) + list_add_tail(&utmi_clk.node, &clocks); + /* MCK and CPU clock are "always on" */ clk_enable(&mck); diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index a67defd5043..8ab4feb1ec5 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -26,12 +26,139 @@ #include <asm/mach-types.h> #include <asm/arch/at91_pmc.h> -#include <asm/arch/at91rm9200_mc.h> #include <asm/arch/gpio.h> #include <asm/arch/cpu.h> #include "generic.h" +#ifdef CONFIG_ARCH_AT91RM9200 +#include <asm/arch/at91rm9200_mc.h> + +/* + * The AT91RM9200 goes into self-refresh mode with this command, and will + * terminate self-refresh automatically on the next SDRAM access. + */ +#define sdram_selfrefresh_enable() at91_sys_write(AT91_SDRAMC_SRR, 1) +#define sdram_selfrefresh_disable() do {} while (0) + +#elif defined(CONFIG_ARCH_AT91CAP9) +#include <asm/arch/at91cap9_ddrsdr.h> + +static u32 saved_lpr; + +static inline void sdram_selfrefresh_enable(void) +{ + u32 lpr; + + saved_lpr = at91_sys_read(AT91_DDRSDRC_LPR); + + lpr = saved_lpr & ~AT91_DDRSDRC_LPCB; + at91_sys_write(AT91_DDRSDRC_LPR, lpr | AT91_DDRSDRC_LPCB_SELF_REFRESH); +} + +#define sdram_selfrefresh_disable() at91_sys_write(AT91_DDRSDRC_LPR, saved_lpr) + +#else +#include <asm/arch/at91sam9_sdramc.h> + +#ifdef CONFIG_ARCH_AT91SAM9263 +/* + * FIXME either or both the SDRAM controllers (EB0, EB1) might be in use; + * handle those cases both here and in the Suspend-To-RAM support. + */ +#define AT91_SDRAMC AT91_SDRAMC0 +#warning Assuming EB1 SDRAM controller is *NOT* used +#endif + +static u32 saved_lpr; + +static inline void sdram_selfrefresh_enable(void) +{ + u32 lpr; + + saved_lpr = at91_sys_read(AT91_SDRAMC_LPR); + + lpr = saved_lpr & ~AT91_SDRAMC_LPCB; + at91_sys_write(AT91_SDRAMC_LPR, lpr | AT91_SDRAMC_LPCB_SELF_REFRESH); +} + +#define sdram_selfrefresh_disable() at91_sys_write(AT91_SDRAMC_LPR, saved_lpr) + +#endif + + +/* + * Show the reason for the previous system reset. + */ +#if defined(AT91_SHDWC) + +#include <asm/arch/at91_rstc.h> +#include <asm/arch/at91_shdwc.h> + +static void __init show_reset_status(void) +{ + static char reset[] __initdata = "reset"; + + static char general[] __initdata = "general"; + static char wakeup[] __initdata = "wakeup"; + static char watchdog[] __initdata = "watchdog"; + static char software[] __initdata = "software"; + static char user[] __initdata = "user"; + static char unknown[] __initdata = "unknown"; + + static char signal[] __initdata = "signal"; + static char rtc[] __initdata = "rtc"; + static char rtt[] __initdata = "rtt"; + static char restore[] __initdata = "power-restored"; + + char *reason, *r2 = reset; + u32 reset_type, wake_type; + + reset_type = at91_sys_read(AT91_RSTC_SR) & AT91_RSTC_RSTTYP; + wake_type = at91_sys_read(AT91_SHDW_SR); + + switch (reset_type) { + case AT91_RSTC_RSTTYP_GENERAL: + reason = general; + break; + case AT91_RSTC_RSTTYP_WAKEUP: + /* board-specific code enabled the wakeup sources */ + reason = wakeup; + + /* "wakeup signal" */ + if (wake_type & AT91_SHDW_WAKEUP0) + r2 = signal; + else { + r2 = reason; + if (wake_type & AT91_SHDW_RTTWK) /* rtt wakeup */ + reason = rtt; + else if (wake_type & AT91_SHDW_RTCWK) /* rtc wakeup */ + reason = rtc; + else if (wake_type == 0) /* power-restored wakeup */ + reason = restore; + else /* unknown wakeup */ + reason = unknown; + } + break; + case AT91_RSTC_RSTTYP_WATCHDOG: + reason = watchdog; + break; + case AT91_RSTC_RSTTYP_SOFTWARE: + reason = software; + break; + case AT91_RSTC_RSTTYP_USER: + reason = user; + break; + default: + reason = unknown; + break; + } + pr_info("AT91: Starting after %s %s\n", reason, r2); +} +#else +static void __init show_reset_status(void) {} +#endif + static int at91_pm_valid_state(suspend_state_t state) { @@ -75,7 +202,7 @@ static int at91_pm_verify_clocks(void) pr_debug("AT91: PM - Suspend-to-RAM with USB still active\n"); return 0; } - } else if (cpu_is_at91sam9260() || cpu_is_at91sam9261() || cpu_is_at91sam9263()) { + } else if (cpu_is_at91sam9260() || cpu_is_at91sam9261() || cpu_is_at91sam9263() || cpu_is_at91sam9g20()) { if ((scsr & (AT91SAM926x_PMC_UHP | AT91SAM926x_PMC_UDP)) != 0) { pr_debug("AT91: PM - Suspend-to-RAM with USB still active\n"); return 0; @@ -125,6 +252,11 @@ EXPORT_SYMBOL(at91_suspend_entering_slow_clock); static void (*slow_clock)(void); +#ifdef CONFIG_AT91_SLOW_CLOCK +extern void at91_slow_clock(void); +extern u32 at91_slow_clock_sz; +#endif + static int at91_pm_enter(suspend_state_t state) { @@ -158,11 +290,14 @@ static int at91_pm_enter(suspend_state_t state) * turning off the main oscillator; reverse on wakeup. */ if (slow_clock) { +#ifdef CONFIG_AT91_SLOW_CLOCK + /* copy slow_clock handler to SRAM, and call it */ + memcpy(slow_clock, at91_slow_clock, at91_slow_clock_sz); +#endif slow_clock(); break; } else { - /* DEVELOPMENT ONLY */ - pr_info("AT91: PM - no slow clock mode yet ...\n"); + pr_info("AT91: PM - no slow clock mode enabled ...\n"); /* FALLTHROUGH leaving master clock alone */ } @@ -175,13 +310,15 @@ static int at91_pm_enter(suspend_state_t state) case PM_SUSPEND_STANDBY: /* * NOTE: the Wait-for-Interrupt instruction needs to be - * in icache so the SDRAM stays in self-refresh mode until - * the wakeup IRQ occurs. + * in icache so no SDRAM accesses are needed until the + * wakeup IRQ occurs and self-refresh is terminated. */ asm("b 1f; .align 5; 1:"); asm("mcr p15, 0, r0, c7, c10, 4"); /* drain write buffer */ - at91_sys_write(AT91_SDRAMC_SRR, 1); /* self-refresh mode */ - /* fall though to next state */ + sdram_selfrefresh_enable(); + asm("mcr p15, 0, r0, c7, c0, 4"); /* wait for interrupt */ + sdram_selfrefresh_disable(); + break; case PM_SUSPEND_ON: asm("mcr p15, 0, r0, c7, c0, 4"); /* wait for interrupt */ @@ -196,6 +333,7 @@ static int at91_pm_enter(suspend_state_t state) at91_sys_read(AT91_AIC_IPR) & at91_sys_read(AT91_AIC_IMR)); error: + sdram_selfrefresh_disable(); target_state = PM_SUSPEND_ON; at91_irq_resume(); at91_gpio_resume(); @@ -220,21 +358,20 @@ static struct platform_suspend_ops at91_pm_ops ={ static int __init at91_pm_init(void) { - printk("AT91: Power Management\n"); - -#ifdef CONFIG_AT91_PM_SLOW_CLOCK - /* REVISIT allocations of SRAM should be dynamically managed. - * FIQ handlers and other components will want SRAM/TCM too... - */ - slow_clock = (void *) (AT91_VA_BASE_SRAM + (3 * SZ_4K)); - memcpy(slow_clock, at91rm9200_slow_clock, at91rm9200_slow_clock_sz); +#ifdef CONFIG_AT91_SLOW_CLOCK + slow_clock = (void *) (AT91_IO_VIRT_BASE - at91_slow_clock_sz); #endif - /* Disable SDRAM low-power mode. Cannot be used with self-refresh. */ + pr_info("AT91: Power Management%s\n", (slow_clock ? " (with slow clock mode)" : "")); + +#ifdef CONFIG_ARCH_AT91RM9200 + /* AT91RM9200 SDRAM low-power mode cannot be used with self-refresh. */ at91_sys_write(AT91_SDRAMC_LPR, 0); +#endif suspend_set_ops(&at91_pm_ops); + show_reset_status(); return 0; } arch_initcall(at91_pm_init); |