diff options
Diffstat (limited to 'arch/arm/mach-exynos/include')
| -rw-r--r-- | arch/arm/mach-exynos/include/mach/debug-macro.S | 7 | ||||
| -rw-r--r-- | arch/arm/mach-exynos/include/mach/uncompress.h | 17 |
2 files changed, 19 insertions, 5 deletions
diff --git a/arch/arm/mach-exynos/include/mach/debug-macro.S b/arch/arm/mach-exynos/include/mach/debug-macro.S index 6c857ff0b5d8..e0c86ea475e7 100644 --- a/arch/arm/mach-exynos/include/mach/debug-macro.S +++ b/arch/arm/mach-exynos/include/mach/debug-macro.S @@ -21,10 +21,9 @@ */ .macro addruart, rp, rv, tmp - mov \rp, #0x10000000 - ldr \rp, [\rp, #0x0] - and \rp, \rp, #0xf00000 - teq \rp, #0x500000 @@ EXYNOS5 + mrc p15, 0, \tmp, c0, c0, 0 + and \tmp, \tmp, #0xf0 + teq \tmp, #0xf0 @@ A15 ldreq \rp, =EXYNOS5_PA_UART movne \rp, #EXYNOS4_PA_UART @@ EXYNOS4 ldr \rv, =S3C_VA_UART diff --git a/arch/arm/mach-exynos/include/mach/uncompress.h b/arch/arm/mach-exynos/include/mach/uncompress.h index 493f4f365ddf..2979995d5a6a 100644 --- a/arch/arm/mach-exynos/include/mach/uncompress.h +++ b/arch/arm/mach-exynos/include/mach/uncompress.h @@ -20,9 +20,24 @@ volatile u8 *uart_base; #include <plat/uncompress.h> +static unsigned int __raw_readl(unsigned int ptr) +{ + return *((volatile unsigned int *)ptr); +} + static void arch_detect_cpu(void) { - if (machine_is_smdk5250()) + u32 chip_id = __raw_readl(EXYNOS_PA_CHIPID); + + /* + * product_id is bits 31:12 + * bits 23:20 describe the exynosX family + * + */ + chip_id >>= 20; + chip_id &= 0xf; + + if (chip_id == 0x5) uart_base = (volatile u8 *)EXYNOS5_PA_UART + (S3C_UART_OFFSET * CONFIG_S3C_LOWLEVEL_UART_PORT); else uart_base = (volatile u8 *)EXYNOS4_PA_UART + (S3C_UART_OFFSET * CONFIG_S3C_LOWLEVEL_UART_PORT); |