diff options
Diffstat (limited to 'arch/arm/mach-ux500/cpu-db5500.c')
| -rw-r--r-- | arch/arm/mach-ux500/cpu-db5500.c | 88 |
1 files changed, 68 insertions, 20 deletions
diff --git a/arch/arm/mach-ux500/cpu-db5500.c b/arch/arm/mach-ux500/cpu-db5500.c index bca47f32082..ab50ca6865f 100644 --- a/arch/arm/mach-ux500/cpu-db5500.c +++ b/arch/arm/mach-ux500/cpu-db5500.c @@ -9,20 +9,23 @@ #include <linux/amba/bus.h> #include <linux/io.h> #include <linux/irq.h> +#include <linux/gpio/nomadik.h> -#include <asm/mach/map.h> #include <asm/pmu.h> +#include <asm/mach/map.h> +#include <asm/cacheflush.h> +#include <asm/tlbflush.h> -#include <plat/gpio-nomadik.h> +#include <linux/gpio.h> #include <mach/hardware.h> #include <mach/devices.h> #include <mach/setup.h> #include <mach/irqs.h> #include <mach/usb.h> +#include <mach/ste-dma40-db5500.h> #include "devices-db5500.h" -#include "ste-dma40-db5500.h" static struct map_desc u5500_uart_io_desc[] __initdata = { __IO_DEV_DESC(U5500_UART0_BASE, SZ_4K), @@ -35,8 +38,16 @@ static struct map_desc u5500_io_desc[] __initdata = { __IO_DEV_DESC(U5500_GIC_DIST_BASE, SZ_4K), __IO_DEV_DESC(U5500_L2CC_BASE, SZ_4K), __IO_DEV_DESC(U5500_MTU0_BASE, SZ_4K), + __IO_DEV_DESC(U5500_MTU1_BASE, SZ_4K), + __IO_DEV_DESC(U5500_RTC_BASE, SZ_4K), + __IO_DEV_DESC(U5500_MTIMER_BASE, SZ_4K), __IO_DEV_DESC(U5500_BACKUPRAM0_BASE, SZ_8K), + /* Map U5500_PUBLIC_BOOT_ROM_BASE (base+18000) only + * for TEE security driver + * and avoid overlap with asic ID at base+1D000 */ + __MEM_DEV_DESC(U5500_BOOT_ROM_BASE+0x18000, 6*SZ_4K), + __IO_DEV_DESC(U5500_GPIO0_BASE, SZ_4K), __IO_DEV_DESC(U5500_GPIO1_BASE, SZ_4K), __IO_DEV_DESC(U5500_GPIO2_BASE, SZ_4K), @@ -44,6 +55,11 @@ static struct map_desc u5500_io_desc[] __initdata = { __IO_DEV_DESC(U5500_GPIO4_BASE, SZ_4K), __IO_DEV_DESC(U5500_PRCMU_BASE, SZ_4K), __IO_DEV_DESC(U5500_PRCMU_TCDM_BASE, SZ_4K), + __IO_DEV_DESC(U5500_CLKRST1_BASE, SZ_4K), + __IO_DEV_DESC(U5500_CLKRST2_BASE, SZ_4K), + __IO_DEV_DESC(U5500_CLKRST3_BASE, SZ_4K), + __IO_DEV_DESC(U5500_CLKRST5_BASE, SZ_4K), + __IO_DEV_DESC(U5500_CLKRST6_BASE, SZ_4K), }; static struct resource mbox0_resources[] = { @@ -130,31 +146,58 @@ static struct platform_device mbox2_device = { .num_resources = ARRAY_SIZE(mbox2_resources), }; +static struct platform_device db5500_prcmu_device = { + .name = "db5500-prcmu", +}; + static struct platform_device *db5500_platform_devs[] __initdata = { + &u5500_gpio_devs[0], + &u5500_gpio_devs[1], + &u5500_gpio_devs[2], + &u5500_gpio_devs[3], + &u5500_gpio_devs[4], + &u5500_gpio_devs[5], + &u5500_gpio_devs[6], + &u5500_gpio_devs[7], &mbox0_device, &mbox1_device, &mbox2_device, + &db5500_prcmu_device, + &u5500_wdt_device, }; -static resource_size_t __initdata db5500_gpio_base[] = { - U5500_GPIOBANK0_BASE, - U5500_GPIOBANK1_BASE, - U5500_GPIOBANK2_BASE, - U5500_GPIOBANK3_BASE, - U5500_GPIOBANK4_BASE, - U5500_GPIOBANK5_BASE, - U5500_GPIOBANK6_BASE, - U5500_GPIOBANK7_BASE, -}; +static u8 db5500_revision; -static void __init db5500_add_gpios(struct device *parent) +bool cpu_is_u5500v1() { - struct nmk_gpio_platform_data pdata = { - /* No custom data yet */ - }; + return db5500_revision == 0xA0; +} - dbx500_add_gpios(parent, ARRAY_AND_SIZE(db5500_gpio_base), - IRQ_DB5500_GPIO0, &pdata); +bool cpu_is_u5500v2() +{ + return (db5500_revision & 0xf0) == 0xB0; +} + +bool cpu_is_u5500v20() +{ + return db5500_revision == 0xB0; +} + +bool cpu_is_u5500v21() +{ + return db5500_revision == 0xB1; +} + +static void db5500_rev_init(void) +{ + unsigned int asicid; + + /* As in devicemaps_init() */ + local_flush_tlb_all(); + flush_cache_all(); + + asicid = readl_relaxed(__io_address(U5500_ASIC_ID_ADDRESS)); + db5500_revision = asicid & 0xff; } void __init u5500_map_io(void) @@ -169,6 +212,8 @@ void __init u5500_map_io(void) iotable_init(u5500_io_desc, ARRAY_SIZE(u5500_io_desc)); _PRCMU_BASE = __io_address(U5500_PRCMU_BASE); + + db5500_rev_init(); } static void __init db5500_pmu_init(void) @@ -229,9 +274,12 @@ struct device * __init u5500_init_devices(void) struct device *parent; int i; +#ifdef CONFIG_STM_TRACE + /* Early init for STM tracing */ + /* platform_device_register(&u5500_stm_device); */ +#endif parent = db5500_soc_device_init(); - db5500_add_gpios(parent); db5500_pmu_init(); db5500_dma_init(parent); db5500_add_rtc(parent); |