diff options
Diffstat (limited to 'arch/arm/include/debug')
| -rw-r--r-- | arch/arm/include/debug/imx-uart.h | 10 | ||||
| -rw-r--r-- | arch/arm/include/debug/tegra.S | 34 |
2 files changed, 15 insertions, 29 deletions
diff --git a/arch/arm/include/debug/imx-uart.h b/arch/arm/include/debug/imx-uart.h index 29da84e183f4..42b823cd2d22 100644 --- a/arch/arm/include/debug/imx-uart.h +++ b/arch/arm/include/debug/imx-uart.h @@ -43,6 +43,14 @@ #define IMX35_UART_BASE_ADDR(n) IMX35_UART##n##_BASE_ADDR #define IMX35_UART_BASE(n) IMX35_UART_BASE_ADDR(n) +#define IMX50_UART1_BASE_ADDR 0x53fbc000 +#define IMX50_UART2_BASE_ADDR 0x53fc0000 +#define IMX50_UART3_BASE_ADDR 0x5000c000 +#define IMX50_UART4_BASE_ADDR 0x53ff0000 +#define IMX50_UART5_BASE_ADDR 0x63f90000 +#define IMX50_UART_BASE_ADDR(n) IMX50_UART##n##_BASE_ADDR +#define IMX50_UART_BASE(n) IMX50_UART_BASE_ADDR(n) + #define IMX51_UART1_BASE_ADDR 0x73fbc000 #define IMX51_UART2_BASE_ADDR 0x73fc0000 #define IMX51_UART3_BASE_ADDR 0x7000c000 @@ -85,6 +93,8 @@ #define UART_PADDR IMX_DEBUG_UART_BASE(IMX31) #elif defined(CONFIG_DEBUG_IMX35_UART) #define UART_PADDR IMX_DEBUG_UART_BASE(IMX35) +#elif defined(CONFIG_DEBUG_IMX50_UART) +#define UART_PADDR IMX_DEBUG_UART_BASE(IMX50) #elif defined(CONFIG_DEBUG_IMX51_UART) #define UART_PADDR IMX_DEBUG_UART_BASE(IMX51) #elif defined(CONFIG_DEBUG_IMX53_UART) diff --git a/arch/arm/include/debug/tegra.S b/arch/arm/include/debug/tegra.S index be6a720dd183..f98763f0bc17 100644 --- a/arch/arm/include/debug/tegra.S +++ b/arch/arm/include/debug/tegra.S @@ -46,10 +46,10 @@ #define TEGRA_APB_MISC_GP_HIDREV (TEGRA_APB_MISC_BASE + 0x804) /* - * Must be 1MB-aligned since a 1MB mapping is used early on. + * Must be section-aligned since a section mapping is used early on. * Must not overlap with regions in mach-tegra/io.c:tegra_io_desc[]. */ -#define UART_VIRTUAL_BASE 0xfe100000 +#define UART_VIRTUAL_BASE 0xfe800000 #define checkuart(rp, rv, lhu, bit, uart) \ /* Load address of CLK_RST register */ \ @@ -156,28 +156,6 @@ 92: and \rv, \rp, #0xffffff @ offset within 1MB section add \rv, \rv, #UART_VIRTUAL_BASE str \rv, [\tmp, #8] @ Store in tegra_uart_virt - movw \rv, #TEGRA_APB_MISC_GP_HIDREV & 0xffff - movt \rv, #TEGRA_APB_MISC_GP_HIDREV >> 16 - ldr \rv, [\rv, #0] @ Load HIDREV - ubfx \rv, \rv, #8, #8 @ 15:8 are SoC version - cmp \rv, #0x20 @ Tegra20? - moveq \rv, #0x75 @ Tegra20 divisor - movne \rv, #0xdd @ Tegra30 divisor - str \rv, [\tmp, #12] @ Save divisor to scratch - /* uart[UART_LCR] = UART_LCR_WLEN8 | UART_LCR_DLAB; */ - mov \rv, #UART_LCR_WLEN8 | UART_LCR_DLAB - str \rv, [\rp, #UART_LCR << UART_SHIFT] - /* uart[UART_DLL] = div & 0xff; */ - ldr \rv, [\tmp, #12] - and \rv, \rv, #0xff - str \rv, [\rp, #UART_DLL << UART_SHIFT] - /* uart[UART_DLM] = div >> 8; */ - ldr \rv, [\tmp, #12] - lsr \rv, \rv, #8 - str \rv, [\rp, #UART_DLM << UART_SHIFT] - /* uart[UART_LCR] = UART_LCR_WLEN8; */ - mov \rv, #UART_LCR_WLEN8 - str \rv, [\rp, #UART_LCR << UART_SHIFT] b 100f .align @@ -205,8 +183,8 @@ cmp \rx, #0 beq 1002f 1001: ldrb \rd, [\rx, #UART_LSR << UART_SHIFT] - and \rd, \rd, #UART_LSR_TEMT | UART_LSR_THRE - teq \rd, #UART_LSR_TEMT | UART_LSR_THRE + and \rd, \rd, #UART_LSR_THRE + teq \rd, #UART_LSR_THRE bne 1001b 1002: .endm @@ -225,7 +203,7 @@ /* * Storage for the state maintained by the macros above. * - * In the kernel proper, this data is located in arch/arm/mach-tegra/common.c. + * In the kernel proper, this data is located in arch/arm/mach-tegra/tegra.c. * That's because this header is included from multiple files, and we only * want a single copy of the data. In particular, the UART probing code above * assumes it's running using physical addresses. This is true when this file @@ -247,6 +225,4 @@ tegra_uart_config: .word 0 /* Debug UART virtual address */ .word 0 - /* Scratch space for debug macro */ - .word 0 #endif |