This patch fixes uart base address for uncompress and debug-macro on EXYNOS5440.
Signed-off-by: Kukjin Kim <[email protected]> --- arch/arm/mach-exynos/include/mach/debug-macro.S | 25 +++++++++++++++++------ arch/arm/mach-exynos/include/mach/map.h | 1 + arch/arm/mach-exynos/include/mach/uncompress.h | 20 +++++++++++------- 3 files changed, 33 insertions(+), 13 deletions(-) diff --git a/arch/arm/mach-exynos/include/mach/debug-macro.S b/arch/arm/mach-exynos/include/mach/debug-macro.S index e0c86ea..69e3e52 100644 --- a/arch/arm/mach-exynos/include/mach/debug-macro.S +++ b/arch/arm/mach-exynos/include/mach/debug-macro.S @@ -21,12 +21,25 @@ */ .macro addruart, rp, rv, tmp - 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 + mov \rp, #0x10000000 + ldr \rp, [\rp, #0] + and \rp, \rp, #0x0ff00000 + teq \rp, #0x03200000 @ EXYNOS4210, EXYNOS4212 + beq 4f + teq \rp, #0x04400000 @ EXYNOS4412 + beq 4f + teq \rp, #0x03500000 @ EXYNOS5250 + beq 5f + b 54f + +4: mov \rp, #EXYNOS4_PA_UART + b 99f +5: mov \rp, #EXYNOS5_PA_UART + b 99f +54: mov \rp, #EXYNOS5440_PA_UART + b 99f +99: ldr \rv, =S3C_VA_UART + #if CONFIG_DEBUG_S3C_UART != 0 add \rp, \rp, #(0x10000 * CONFIG_DEBUG_S3C_UART) add \rv, \rv, #(0x10000 * CONFIG_DEBUG_S3C_UART) diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h index 1df6abb..cba083e 100644 --- a/arch/arm/mach-exynos/include/mach/map.h +++ b/arch/arm/mach-exynos/include/mach/map.h @@ -203,6 +203,7 @@ #define EXYNOS4_PA_UART 0x13800000 #define EXYNOS5_PA_UART 0x12C00000 +#define EXYNOS5440_PA_UART 0x000B0000 #define EXYNOS4_PA_VP 0x12C00000 #define EXYNOS4_PA_MIXER 0x12C10000 diff --git a/arch/arm/mach-exynos/include/mach/uncompress.h b/arch/arm/mach-exynos/include/mach/uncompress.h index 2979995..ace9be2 100644 --- a/arch/arm/mach-exynos/include/mach/uncompress.h +++ b/arch/arm/mach-exynos/include/mach/uncompress.h @@ -31,16 +31,22 @@ static void arch_detect_cpu(void) /* * product_id is bits 31:12 - * bits 23:20 describe the exynosX family - * + * bits 27:20 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); + chip_id &= 0xff; + + if (chip_id == 0x32 || chip_id == 0x44) + /* EXYNOS4210, EXYNOS4212 and EXYNOS4412 */ + uart_base = (volatile u8 *)EXYNOS4_PA_UART; + else if (chip_id == 0x35) + /* EXYNOS5250 */ + uart_base = (volatile u8 *)EXYNOS5_PA_UART; else - uart_base = (volatile u8 *)EXYNOS4_PA_UART + (S3C_UART_OFFSET * CONFIG_S3C_LOWLEVEL_UART_PORT); + /* EXYNOS5440 */ + uart_base = (volatile u8 *)EXYNOS5440_PA_UART; + + uart_base += S3C_UART_OFFSET * CONFIG_S3C_LOWLEVEL_UART_PORT; /* * For preventing FIFO overrun or infinite loop of UART console, -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
