diff options
Diffstat (limited to 'arch/arm/mach-mx2')
-rw-r--r-- | arch/arm/mach-mx2/devices.c | 47 | ||||
-rw-r--r-- | arch/arm/mach-mx2/devices.h | 3 | ||||
-rw-r--r-- | arch/arm/mach-mx2/mx27ads.c | 61 | ||||
-rw-r--r-- | arch/arm/mach-mx2/pcm038.c | 82 |
4 files changed, 131 insertions, 62 deletions
diff --git a/arch/arm/mach-mx2/devices.c b/arch/arm/mach-mx2/devices.c index bd0559d5933..2f9240be1c7 100644 --- a/arch/arm/mach-mx2/devices.c +++ b/arch/arm/mach-mx2/devices.c @@ -32,6 +32,7 @@ #include <linux/platform_device.h> #include <linux/gpio.h> +#include <mach/irqs.h> #include <mach/hardware.h> /* @@ -190,38 +191,72 @@ struct platform_device mxc_wdt = { .resource = mxc_wdt_resources, }; +static struct resource mxc_w1_master_resources[] = { + { + .start = OWIRE_BASE_ADDR, + .end = OWIRE_BASE_ADDR + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, +}; + +struct platform_device mxc_w1_master_device = { + .name = "mxc_w1", + .id = 0, + .num_resources = ARRAY_SIZE(mxc_w1_master_resources), + .resource = mxc_w1_master_resources, +}; + +static struct resource mxc_nand_resources[] = { + { + .start = NFC_BASE_ADDR, + .end = NFC_BASE_ADDR + 0xfff, + .flags = IORESOURCE_MEM + }, { + .start = MXC_INT_NANDFC, + .end = MXC_INT_NANDFC, + .flags = IORESOURCE_IRQ + }, +}; + +struct platform_device mxc_nand_device = { + .name = "mxc_nand", + .id = 0, + .num_resources = ARRAY_SIZE(mxc_nand_resources), + .resource = mxc_nand_resources, +}; + /* GPIO port description */ static struct mxc_gpio_port imx_gpio_ports[] = { [0] = { .chip.label = "gpio-0", .irq = MXC_INT_GPIO, .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 0), - .virtual_irq_start = MXC_MAX_INT_LINES, + .virtual_irq_start = MXC_GPIO_IRQ_START, }, [1] = { .chip.label = "gpio-1", .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 1), - .virtual_irq_start = MXC_MAX_INT_LINES + 32, + .virtual_irq_start = MXC_GPIO_IRQ_START + 32, }, [2] = { .chip.label = "gpio-2", .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 2), - .virtual_irq_start = MXC_MAX_INT_LINES + 64, + .virtual_irq_start = MXC_GPIO_IRQ_START + 64, }, [3] = { .chip.label = "gpio-3", .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 3), - .virtual_irq_start = MXC_MAX_INT_LINES + 96, + .virtual_irq_start = MXC_GPIO_IRQ_START + 96, }, [4] = { .chip.label = "gpio-4", .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 4), - .virtual_irq_start = MXC_MAX_INT_LINES + 128, + .virtual_irq_start = MXC_GPIO_IRQ_START + 128, }, [5] = { .chip.label = "gpio-5", .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 5), - .virtual_irq_start = MXC_MAX_INT_LINES + 160, + .virtual_irq_start = MXC_GPIO_IRQ_START + 160, } }; diff --git a/arch/arm/mach-mx2/devices.h b/arch/arm/mach-mx2/devices.h index c77a4b8f73b..1e8cb577a64 100644 --- a/arch/arm/mach-mx2/devices.h +++ b/arch/arm/mach-mx2/devices.h @@ -12,4 +12,5 @@ extern struct platform_device mxc_uart_device2; extern struct platform_device mxc_uart_device3; extern struct platform_device mxc_uart_device4; extern struct platform_device mxc_uart_device5; - +extern struct platform_device mxc_w1_master_device; +extern struct platform_device mxc_nand_device; diff --git a/arch/arm/mach-mx2/mx27ads.c b/arch/arm/mach-mx2/mx27ads.c index 56e22d3ca07..2b5c67f5457 100644 --- a/arch/arm/mach-mx2/mx27ads.c +++ b/arch/arm/mach-mx2/mx27ads.c @@ -68,15 +68,14 @@ static int mxc_uart0_pins[] = { static int uart_mxc_port0_init(struct platform_device *pdev) { return mxc_gpio_setup_multiple_pins(mxc_uart0_pins, - ARRAY_SIZE(mxc_uart0_pins), - MXC_GPIO_ALLOC_MODE_NORMAL, "UART0"); + ARRAY_SIZE(mxc_uart0_pins), "UART0"); } static int uart_mxc_port0_exit(struct platform_device *pdev) { - return mxc_gpio_setup_multiple_pins(mxc_uart0_pins, - ARRAY_SIZE(mxc_uart0_pins), - MXC_GPIO_ALLOC_MODE_RELEASE, "UART0"); + mxc_gpio_release_multiple_pins(mxc_uart0_pins, + ARRAY_SIZE(mxc_uart0_pins)); + return 0; } static int mxc_uart1_pins[] = { @@ -89,15 +88,14 @@ static int mxc_uart1_pins[] = { static int uart_mxc_port1_init(struct platform_device *pdev) { return mxc_gpio_setup_multiple_pins(mxc_uart1_pins, - ARRAY_SIZE(mxc_uart1_pins), - MXC_GPIO_ALLOC_MODE_NORMAL, "UART1"); + ARRAY_SIZE(mxc_uart1_pins), "UART1"); } static int uart_mxc_port1_exit(struct platform_device *pdev) { - return mxc_gpio_setup_multiple_pins(mxc_uart1_pins, - ARRAY_SIZE(mxc_uart1_pins), - MXC_GPIO_ALLOC_MODE_RELEASE, "UART1"); + mxc_gpio_release_multiple_pins(mxc_uart1_pins, + ARRAY_SIZE(mxc_uart1_pins)); + return 0; } static int mxc_uart2_pins[] = { @@ -110,15 +108,14 @@ static int mxc_uart2_pins[] = { static int uart_mxc_port2_init(struct platform_device *pdev) { return mxc_gpio_setup_multiple_pins(mxc_uart2_pins, - ARRAY_SIZE(mxc_uart2_pins), - MXC_GPIO_ALLOC_MODE_NORMAL, "UART2"); + ARRAY_SIZE(mxc_uart2_pins), "UART2"); } static int uart_mxc_port2_exit(struct platform_device *pdev) { - return mxc_gpio_setup_multiple_pins(mxc_uart2_pins, - ARRAY_SIZE(mxc_uart2_pins), - MXC_GPIO_ALLOC_MODE_RELEASE, "UART2"); + mxc_gpio_release_multiple_pins(mxc_uart2_pins, + ARRAY_SIZE(mxc_uart2_pins)); + return 0; } static int mxc_uart3_pins[] = { @@ -131,15 +128,13 @@ static int mxc_uart3_pins[] = { static int uart_mxc_port3_init(struct platform_device *pdev) { return mxc_gpio_setup_multiple_pins(mxc_uart3_pins, - ARRAY_SIZE(mxc_uart3_pins), - MXC_GPIO_ALLOC_MODE_NORMAL, "UART3"); + ARRAY_SIZE(mxc_uart3_pins), "UART3"); } static int uart_mxc_port3_exit(struct platform_device *pdev) { - return mxc_gpio_setup_multiple_pins(mxc_uart3_pins, - ARRAY_SIZE(mxc_uart3_pins), - MXC_GPIO_ALLOC_MODE_RELEASE, "UART3"); + mxc_gpio_release_multiple_pins(mxc_uart3_pins, + ARRAY_SIZE(mxc_uart3_pins)); } static int mxc_uart4_pins[] = { @@ -152,15 +147,14 @@ static int mxc_uart4_pins[] = { static int uart_mxc_port4_init(struct platform_device *pdev) { return mxc_gpio_setup_multiple_pins(mxc_uart4_pins, - ARRAY_SIZE(mxc_uart4_pins), - MXC_GPIO_ALLOC_MODE_NORMAL, "UART4"); + ARRAY_SIZE(mxc_uart4_pins), "UART4"); } static int uart_mxc_port4_exit(struct platform_device *pdev) { - return mxc_gpio_setup_multiple_pins(mxc_uart4_pins, - ARRAY_SIZE(mxc_uart4_pins), - MXC_GPIO_ALLOC_MODE_RELEASE, "UART4"); + mxc_gpio_release_multiple_pins(mxc_uart4_pins, + ARRAY_SIZE(mxc_uart4_pins)); + return 0; } static int mxc_uart5_pins[] = { @@ -173,15 +167,14 @@ static int mxc_uart5_pins[] = { static int uart_mxc_port5_init(struct platform_device *pdev) { return mxc_gpio_setup_multiple_pins(mxc_uart5_pins, - ARRAY_SIZE(mxc_uart5_pins), - MXC_GPIO_ALLOC_MODE_NORMAL, "UART5"); + ARRAY_SIZE(mxc_uart5_pins), "UART5"); } static int uart_mxc_port5_exit(struct platform_device *pdev) { - return mxc_gpio_setup_multiple_pins(mxc_uart5_pins, - ARRAY_SIZE(mxc_uart5_pins), - MXC_GPIO_ALLOC_MODE_RELEASE, "UART5"); + mxc_gpio_release_multiple_pins(mxc_uart5_pins, + ARRAY_SIZE(mxc_uart5_pins)); + return 0; } static struct platform_device *platform_devices[] __initdata = { @@ -212,15 +205,13 @@ static int mxc_fec_pins[] = { static void gpio_fec_active(void) { mxc_gpio_setup_multiple_pins(mxc_fec_pins, - ARRAY_SIZE(mxc_fec_pins), - MXC_GPIO_ALLOC_MODE_NORMAL, "FEC"); + ARRAY_SIZE(mxc_fec_pins), "FEC"); } static void gpio_fec_inactive(void) { - mxc_gpio_setup_multiple_pins(mxc_fec_pins, - ARRAY_SIZE(mxc_fec_pins), - MXC_GPIO_ALLOC_MODE_RELEASE, "FEC"); + mxc_gpio_release_multiple_pins(mxc_fec_pins, + ARRAY_SIZE(mxc_fec_pins)); } static struct imxuart_platform_data uart_pdata[] = { diff --git a/arch/arm/mach-mx2/pcm038.c b/arch/arm/mach-mx2/pcm038.c index 7f55746e259..dfd4156da7d 100644 --- a/arch/arm/mach-mx2/pcm038.c +++ b/arch/arm/mach-mx2/pcm038.c @@ -19,6 +19,7 @@ #include <linux/platform_device.h> #include <linux/mtd/physmap.h> +#include <linux/mtd/plat-ram.h> #include <asm/mach/arch.h> #include <asm/mach-types.h> #include <mach/common.h> @@ -27,10 +28,36 @@ #include <asm/mach/time.h> #include <mach/imx-uart.h> #include <mach/board-pcm038.h> +#include <mach/mxc_nand.h> #include "devices.h" /* + * Phytec's PCM038 comes with 2MiB battery buffered SRAM, + * 16 bit width + */ + +static struct platdata_mtd_ram pcm038_sram_data = { + .bankwidth = 2, +}; + +static struct resource pcm038_sram_resource = { + .start = CS1_BASE_ADDR, + .end = CS1_BASE_ADDR + 512 * 1024 - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device pcm038_sram_mtd_device = { + .name = "mtd-ram", + .id = 0, + .dev = { + .platform_data = &pcm038_sram_data, + }, + .num_resources = 1, + .resource = &pcm038_sram_resource, +}; + +/* * Phytec's phyCORE-i.MX27 comes with 32MiB flash, * 16 bit width */ @@ -64,15 +91,14 @@ static int mxc_uart0_pins[] = { static int uart_mxc_port0_init(struct platform_device *pdev) { return mxc_gpio_setup_multiple_pins(mxc_uart0_pins, - ARRAY_SIZE(mxc_uart0_pins), - MXC_GPIO_ALLOC_MODE_NORMAL, "UART0"); + ARRAY_SIZE(mxc_uart0_pins), "UART0"); } static int uart_mxc_port0_exit(struct platform_device *pdev) { - return mxc_gpio_setup_multiple_pins(mxc_uart0_pins, - ARRAY_SIZE(mxc_uart0_pins), - MXC_GPIO_ALLOC_MODE_RELEASE, "UART0"); + mxc_gpio_release_multiple_pins(mxc_uart0_pins, + ARRAY_SIZE(mxc_uart0_pins)); + return 0; } static int mxc_uart1_pins[] = { @@ -85,15 +111,14 @@ static int mxc_uart1_pins[] = { static int uart_mxc_port1_init(struct platform_device *pdev) { return mxc_gpio_setup_multiple_pins(mxc_uart1_pins, - ARRAY_SIZE(mxc_uart1_pins), - MXC_GPIO_ALLOC_MODE_NORMAL, "UART1"); + ARRAY_SIZE(mxc_uart1_pins), "UART1"); } static int uart_mxc_port1_exit(struct platform_device *pdev) { - return mxc_gpio_setup_multiple_pins(mxc_uart1_pins, - ARRAY_SIZE(mxc_uart1_pins), - MXC_GPIO_ALLOC_MODE_RELEASE, "UART1"); + mxc_gpio_release_multiple_pins(mxc_uart1_pins, + ARRAY_SIZE(mxc_uart1_pins)); + return 0; } static int mxc_uart2_pins[] = { PE10_PF_UART3_CTS, @@ -104,15 +129,14 @@ static int mxc_uart2_pins[] = { PE10_PF_UART3_CTS, static int uart_mxc_port2_init(struct platform_device *pdev) { return mxc_gpio_setup_multiple_pins(mxc_uart2_pins, - ARRAY_SIZE(mxc_uart2_pins), - MXC_GPIO_ALLOC_MODE_NORMAL, "UART2"); + ARRAY_SIZE(mxc_uart2_pins), "UART2"); } static int uart_mxc_port2_exit(struct platform_device *pdev) { - return mxc_gpio_setup_multiple_pins(mxc_uart2_pins, - ARRAY_SIZE(mxc_uart2_pins), - MXC_GPIO_ALLOC_MODE_RELEASE, "UART2"); + mxc_gpio_release_multiple_pins(mxc_uart2_pins, + ARRAY_SIZE(mxc_uart2_pins)); + return 0; } static struct imxuart_platform_data uart_pdata[] = { @@ -155,29 +179,47 @@ static int mxc_fec_pins[] = { static void gpio_fec_active(void) { mxc_gpio_setup_multiple_pins(mxc_fec_pins, - ARRAY_SIZE(mxc_fec_pins), - MXC_GPIO_ALLOC_MODE_NORMAL, "FEC"); + ARRAY_SIZE(mxc_fec_pins), "FEC"); } static void gpio_fec_inactive(void) { - mxc_gpio_setup_multiple_pins(mxc_fec_pins, - ARRAY_SIZE(mxc_fec_pins), - MXC_GPIO_ALLOC_MODE_RELEASE, "FEC"); + mxc_gpio_release_multiple_pins(mxc_fec_pins, + ARRAY_SIZE(mxc_fec_pins)); } +static struct mxc_nand_platform_data pcm038_nand_board_info = { + .width = 1, + .hw_ecc = 1, +}; + static struct platform_device *platform_devices[] __initdata = { &pcm038_nor_mtd_device, + &mxc_w1_master_device, + &pcm038_sram_mtd_device, }; +/* On pcm038 there's a sram attached to CS1, we enable the chipselect here and + * setup other stuffs to access the sram. */ +static void __init pcm038_init_sram(void) +{ + __raw_writel(0x0000d843, CSCR_U(1)); + __raw_writel(0x22252521, CSCR_L(1)); + __raw_writel(0x22220a00, CSCR_A(1)); +} + static void __init pcm038_init(void) { gpio_fec_active(); + pcm038_init_sram(); mxc_register_device(&mxc_uart_device0, &uart_pdata[0]); mxc_register_device(&mxc_uart_device1, &uart_pdata[1]); mxc_register_device(&mxc_uart_device2, &uart_pdata[2]); + mxc_gpio_mode(PE16_AF_RTCK); /* OWIRE */ + mxc_register_device(&mxc_nand_device, &pcm038_nand_board_info); + platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); #ifdef CONFIG_MACH_PCM970_BASEBOARD |