diff options
Diffstat (limited to 'arch/arm/mach-ux500/cpu-db8500.c')
| -rw-r--r-- | arch/arm/mach-ux500/cpu-db8500.c | 60 |
1 files changed, 7 insertions, 53 deletions
diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c index 6f63954c8bde..16913800bbf9 100644 --- a/arch/arm/mach-ux500/cpu-db8500.c +++ b/arch/arm/mach-ux500/cpu-db8500.c @@ -43,60 +43,10 @@ static struct prcmu_pdata db8500_prcmu_pdata = { .legacy_offset = DB8500_PRCMU_LEGACY_OFFSET, }; -/* minimum static i/o mapping required to boot U8500 platforms */ -static struct map_desc u8500_uart_io_desc[] __initdata = { - __IO_DEV_DESC(U8500_UART0_BASE, SZ_4K), - __IO_DEV_DESC(U8500_UART2_BASE, SZ_4K), -}; -/* U8500 and U9540 common io_desc */ -static struct map_desc u8500_common_io_desc[] __initdata = { - /* SCU base also covers GIC CPU BASE and TWD with its 4K page */ - __IO_DEV_DESC(U8500_SCU_BASE, SZ_4K), - __IO_DEV_DESC(U8500_GIC_DIST_BASE, SZ_4K), - __IO_DEV_DESC(U8500_L2CC_BASE, SZ_4K), - __IO_DEV_DESC(U8500_MTU0_BASE, SZ_4K), - __IO_DEV_DESC(U8500_BACKUPRAM0_BASE, SZ_8K), - - __IO_DEV_DESC(U8500_CLKRST1_BASE, SZ_4K), - __IO_DEV_DESC(U8500_CLKRST2_BASE, SZ_4K), - __IO_DEV_DESC(U8500_CLKRST3_BASE, SZ_4K), - __IO_DEV_DESC(U8500_CLKRST5_BASE, SZ_4K), - __IO_DEV_DESC(U8500_CLKRST6_BASE, SZ_4K), - - __IO_DEV_DESC(U8500_GPIO0_BASE, SZ_4K), - __IO_DEV_DESC(U8500_GPIO1_BASE, SZ_4K), - __IO_DEV_DESC(U8500_GPIO2_BASE, SZ_4K), - __IO_DEV_DESC(U8500_GPIO3_BASE, SZ_4K), -}; - -/* U8500 IO map specific description */ -static struct map_desc u8500_io_desc[] __initdata = { - __IO_DEV_DESC(U8500_PRCMU_BASE, SZ_4K), - __IO_DEV_DESC(U8500_PRCMU_TCDM_BASE, SZ_4K), - -}; - -/* U9540 IO map specific description */ -static struct map_desc u9540_io_desc[] __initdata = { - __IO_DEV_DESC(U8500_PRCMU_BASE, SZ_4K + SZ_8K), - __IO_DEV_DESC(U8500_PRCMU_TCDM_BASE, SZ_4K + SZ_8K), -}; - static void __init u8500_map_io(void) { - /* - * Map the UARTs early so that the DEBUG_LL stuff continues to work. - */ - iotable_init(u8500_uart_io_desc, ARRAY_SIZE(u8500_uart_io_desc)); - - ux500_map_io(); - - iotable_init(u8500_common_io_desc, ARRAY_SIZE(u8500_common_io_desc)); - - if (cpu_is_ux540_family()) - iotable_init(u9540_io_desc, ARRAY_SIZE(u9540_io_desc)); - else - iotable_init(u8500_io_desc, ARRAY_SIZE(u8500_io_desc)); + debug_ll_io_init(); + ux500_setup_id(); } /* @@ -125,14 +75,18 @@ static struct arm_pmu_platdata db8500_pmu_platdata = { static const char *db8500_read_soc_id(void) { - void __iomem *uid = __io_address(U8500_BB_UID_BASE); + void __iomem *uid; + uid = ioremap(U8500_BB_UID_BASE, 0x20); + if (!uid) + return NULL; /* Throw these device-specific numbers into the entropy pool */ add_device_randomness(uid, 0x14); return kasprintf(GFP_KERNEL, "%08x%08x%08x%08x%08x", readl((u32 *)uid+0), readl((u32 *)uid+1), readl((u32 *)uid+2), readl((u32 *)uid+3), readl((u32 *)uid+4)); + iounmap(uid); } static struct device * __init db8500_soc_device_init(void) |