diff options
Diffstat (limited to 'arch/arm/mach-at91')
| -rw-r--r-- | arch/arm/mach-at91/at91cap9.c | 8 | ||||
| -rw-r--r-- | arch/arm/mach-at91/at91cap9_devices.c | 17 | ||||
| -rw-r--r-- | arch/arm/mach-at91/board-cap9adk.c | 5 | ||||
| -rw-r--r-- | arch/arm/mach-at91/include/mach/at91_pmc.h | 7 | ||||
| -rw-r--r-- | arch/arm/mach-at91/include/mach/at91cap9.h | 4 | ||||
| -rw-r--r-- | arch/arm/mach-at91/include/mach/cpu.h | 15 |
6 files changed, 48 insertions, 8 deletions
diff --git a/arch/arm/mach-at91/at91cap9.c b/arch/arm/mach-at91/at91cap9.c index 0fc0adaebd5..0a38c69fdbc 100644 --- a/arch/arm/mach-at91/at91cap9.c +++ b/arch/arm/mach-at91/at91cap9.c @@ -17,6 +17,8 @@ #include <asm/mach/arch.h> #include <asm/mach/map.h> + +#include <mach/cpu.h> #include <mach/at91cap9.h> #include <mach/at91_pmc.h> #include <mach/at91_rstc.h> @@ -317,6 +319,12 @@ void __init at91cap9_initialize(unsigned long main_clock) /* Register GPIO subsystem */ at91_gpio_init(at91cap9_gpio, 4); + + /* Remember the silicon revision */ + if (cpu_is_at91cap9_revB()) + system_rev = 0xB; + else if (cpu_is_at91cap9_revC()) + system_rev = 0xC; } /* -------------------------------------------------------------------- diff --git a/arch/arm/mach-at91/at91cap9_devices.c b/arch/arm/mach-at91/at91cap9_devices.c index 3a36182c50c..9eca2209cde 100644 --- a/arch/arm/mach-at91/at91cap9_devices.c +++ b/arch/arm/mach-at91/at91cap9_devices.c @@ -13,6 +13,7 @@ */ #include <asm/mach/arch.h> #include <asm/mach/map.h> +#include <asm/mach/irq.h> #include <linux/dma-mapping.h> #include <linux/platform_device.h> @@ -21,6 +22,7 @@ #include <video/atmel_lcdc.h> #include <mach/board.h> +#include <mach/cpu.h> #include <mach/gpio.h> #include <mach/at91cap9.h> #include <mach/at91cap9_matrix.h> @@ -69,6 +71,9 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) if (!data) return; + if (cpu_is_at91cap9_revB()) + set_irq_type(AT91CAP9_ID_UHP, IRQ_TYPE_LEVEL_HIGH); + /* Enable VBus control for UHP ports */ for (i = 0; i < data->ports; i++) { if (data->vbus_pin[i]) @@ -151,8 +156,13 @@ static struct platform_device at91_usba_udc_device = { 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); + if (cpu_is_at91cap9_revB()) { + set_irq_type(AT91CAP9_ID_UDPHS, IRQ_TYPE_LEVEL_HIGH); + at91_sys_write(AT91_MATRIX_UDPHS, AT91_MATRIX_SELECT_UDPHS | + AT91_MATRIX_UDPHS_BYPASS_LOCK); + } + else + at91_sys_write(AT91_MATRIX_UDPHS, AT91_MATRIX_SELECT_UDPHS); /* * Invalid pins are 0 on AT91, but the usba driver is shared @@ -850,6 +860,9 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) if (!data) return; + if (cpu_is_at91cap9_revB()) + set_irq_type(AT91CAP9_ID_LCDC, IRQ_TYPE_LEVEL_HIGH); + at91_set_A_periph(AT91_PIN_PC1, 0); /* LCDHSYNC */ at91_set_A_periph(AT91_PIN_PC2, 0); /* LCDDOTCK */ at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDDEN */ diff --git a/arch/arm/mach-at91/board-cap9adk.c b/arch/arm/mach-at91/board-cap9adk.c index 43b37bc91e5..83a1a0fef47 100644 --- a/arch/arm/mach-at91/board-cap9adk.c +++ b/arch/arm/mach-at91/board-cap9adk.c @@ -36,11 +36,9 @@ #include <mach/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 <mach/board.h> #include <mach/gpio.h> @@ -376,10 +374,8 @@ static void __init cap9adk_board_init(void) /* Serial */ at91_add_device_serial(); /* USB Host */ - set_irq_type(AT91CAP9_ID_UHP, IRQ_TYPE_LEVEL_HIGH); at91_add_device_usbh(&cap9adk_usbh_data); /* USB HS */ - set_irq_type(AT91CAP9_ID_UDPHS, IRQ_TYPE_LEVEL_HIGH); at91_add_device_usba(&cap9adk_usba_udc_data); /* SPI */ at91_add_device_spi(cap9adk_spi_devices, ARRAY_SIZE(cap9adk_spi_devices)); @@ -396,7 +392,6 @@ static void __init cap9adk_board_init(void) /* I2C */ at91_add_device_i2c(NULL, 0); /* LCD Controller */ - set_irq_type(AT91CAP9_ID_LCDC, IRQ_TYPE_LEVEL_HIGH); at91_add_device_lcdc(&cap9adk_lcdc_data); /* AC97 */ at91_add_device_ac97(&cap9adk_ac97_data); diff --git a/arch/arm/mach-at91/include/mach/at91_pmc.h b/arch/arm/mach-at91/include/mach/at91_pmc.h index 2e3f2894b70..9561e33b8a9 100644 --- a/arch/arm/mach-at91/include/mach/at91_pmc.h +++ b/arch/arm/mach-at91/include/mach/at91_pmc.h @@ -23,6 +23,7 @@ #define AT91_PMC_PCK (1 << 0) /* Processor Clock */ #define AT91RM9200_PMC_UDP (1 << 1) /* USB Devcice Port Clock [AT91RM9200 only] */ #define AT91RM9200_PMC_MCKUDP (1 << 2) /* USB Device Port Master Clock Automatic Disable on Suspend [AT91RM9200 only] */ +#define AT91CAP9_PMC_DDR (1 << 2) /* DDR Clock [AT91CAP9 revC only] */ #define AT91RM9200_PMC_UHP (1 << 4) /* USB Host Port Clock [AT91RM9200 only] */ #define AT91SAM926x_PMC_UHP (1 << 6) /* USB Host Port Clock [AT91SAM926x only] */ #define AT91CAP9_PMC_UHP (1 << 6) /* USB Host Port Clock [AT91CAP9 only] */ @@ -102,10 +103,16 @@ #define AT91_PMC_LOCKB (1 << 2) /* PLLB Lock */ #define AT91_PMC_MCKRDY (1 << 3) /* Master Clock */ #define AT91_PMC_LOCKU (1 << 6) /* UPLL Lock [AT91CAP9 only] */ +#define AT91_PMC_OSCSEL (1 << 7) /* Slow Clock Oscillator [AT91CAP9 revC only] */ #define AT91_PMC_PCK0RDY (1 << 8) /* Programmable Clock 0 */ #define AT91_PMC_PCK1RDY (1 << 9) /* Programmable Clock 1 */ #define AT91_PMC_PCK2RDY (1 << 10) /* Programmable Clock 2 */ #define AT91_PMC_PCK3RDY (1 << 11) /* Programmable Clock 3 */ #define AT91_PMC_IMR (AT91_PMC + 0x6c) /* Interrupt Mask Register */ +#define AT91_PMC_PROT (AT91_PMC + 0xe4) /* Protect Register [AT91CAP9 revC only] */ +#define AT91_PMC_PROTKEY 0x504d4301 /* Activation Code */ + +#define AT91_PMC_VER (AT91_PMC + 0xfc) /* PMC Module Version [AT91CAP9 only] */ + #endif diff --git a/arch/arm/mach-at91/include/mach/at91cap9.h b/arch/arm/mach-at91/include/mach/at91cap9.h index 4a4b64135a9..d8c1ededaa7 100644 --- a/arch/arm/mach-at91/include/mach/at91cap9.h +++ b/arch/arm/mach-at91/include/mach/at91cap9.h @@ -101,7 +101,9 @@ #define AT91_RTT (0xfffffd20 - AT91_BASE_SYS) #define AT91_PIT (0xfffffd30 - AT91_BASE_SYS) #define AT91_WDT (0xfffffd40 - AT91_BASE_SYS) -#define AT91_GPBR (0xfffffd50 - AT91_BASE_SYS) +#define AT91_GPBR (cpu_is_at91cap9_revB() ? \ + (0xfffffd50 - AT91_BASE_SYS) : \ + (0xfffffd60 - AT91_BASE_SYS)) #define AT91_USART0 AT91CAP9_BASE_US0 #define AT91_USART1 AT91CAP9_BASE_US1 diff --git a/arch/arm/mach-at91/include/mach/cpu.h b/arch/arm/mach-at91/include/mach/cpu.h index dbfd9f73f80..c554c3e4d55 100644 --- a/arch/arm/mach-at91/include/mach/cpu.h +++ b/arch/arm/mach-at91/include/mach/cpu.h @@ -49,6 +49,17 @@ static inline unsigned long at91_arch_identify(void) return (at91_sys_read(AT91_DBGU_CIDR) & AT91_CIDR_ARCH); } +#ifdef CONFIG_ARCH_AT91CAP9 +#include <mach/at91_pmc.h> + +#define ARCH_REVISION_CAP9_B 0x399 +#define ARCH_REVISION_CAP9_C 0x601 + +static inline unsigned long at91cap9_rev_identify(void) +{ + return (at91_sys_read(AT91_PMC_VER)); +} +#endif #ifdef CONFIG_ARCH_AT91RM9200 #define cpu_is_at91rm9200() (at91_cpu_identify() == ARCH_ID_AT91RM9200) @@ -90,8 +101,12 @@ static inline unsigned long at91_arch_identify(void) #ifdef CONFIG_ARCH_AT91CAP9 #define cpu_is_at91cap9() (at91_cpu_identify() == ARCH_ID_AT91CAP9) +#define cpu_is_at91cap9_revB() (at91cap9_rev_identify() == ARCH_REVISION_CAP9_B) +#define cpu_is_at91cap9_revC() (at91cap9_rev_identify() == ARCH_REVISION_CAP9_C) #else #define cpu_is_at91cap9() (0) +#define cpu_is_at91cap9_revB() (0) +#define cpu_is_at91cap9_revC() (0) #endif /* |