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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2009-06-04 15:29:57 +0400 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2009-08-07 14:10:52 +0400 |
| commit | d30c74a02f7652e784c32a10736a3c88db98820c (patch) | |
| tree | 403389ec4d91e450eced8b527dca8b2f48a200f5 /arch/arm/plat-mxc | |
| parent | abae61305684fffb0f1d779a1a678855ec5e8cfc (diff) | |
| download | linux-d30c74a02f7652e784c32a10736a3c88db98820c.tar.xz | |
MXC uncompress macros: determine uart base by machine type
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/plat-mxc')
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/uncompress.h | 60 |
1 files changed, 42 insertions, 18 deletions
diff --git a/arch/arm/plat-mxc/include/mach/uncompress.h b/arch/arm/plat-mxc/include/mach/uncompress.h index de6fe0365982..98c8a60214d6 100644 --- a/arch/arm/plat-mxc/include/mach/uncompress.h +++ b/arch/arm/plat-mxc/include/mach/uncompress.h @@ -26,8 +26,11 @@ #define __MXC_BOOT_UNCOMPRESS #include <mach/hardware.h> +#include <asm/mach-types.h> -#define UART(x) (*(volatile unsigned long *)(serial_port + (x))) +static unsigned long uart_base; + +#define UART(x) (*(volatile unsigned long *)(uart_base + (x))) #define USR2 0x98 #define USR2_TXFE (1<<14) @@ -46,19 +49,10 @@ static void putc(int ch) { - static unsigned long serial_port = 0; - - if (unlikely(serial_port == 0)) { - do { - serial_port = UART1_BASE_ADDR; - if (UART(UCR1) & UCR1_UARTEN) - break; - serial_port = UART2_BASE_ADDR; - if (UART(UCR1) & UCR1_UARTEN) - break; - return; - } while (0); - } + if (!uart_base) + return; + if (!(UART(UCR1) & UCR1_UARTEN)) + return; while (!(UART(USR2) & USR2_TXFE)) barrier(); @@ -68,11 +62,41 @@ static void putc(int ch) #define flush() do { } while (0) -/* - * nothing to do - */ -#define arch_decomp_setup() +#define MX1_UART1_BASE_ADDR 0x00206000 +#define MX2X_UART1_BASE_ADDR 0x1000a000 +#define MX3X_UART1_BASE_ADDR 0x43F90000 + +static __inline__ void __arch_decomp_setup(unsigned long arch_id) +{ + switch (arch_id) { + case MACH_TYPE_MX1ADS: + case MACH_TYPE_SCB9328: + uart_base = MX1_UART1_BASE_ADDR; + break; + case MACH_TYPE_IMX27LITE: + case MACH_TYPE_MX27_3DS: + case MACH_TYPE_MX27ADS: + case MACH_TYPE_PCM038: + case MACH_TYPE_MX21ADS: + uart_base = MX2X_UART1_BASE_ADDR; + break; + case MACH_TYPE_MX31LITE: + case MACH_TYPE_ARMADILLO5X0: + case MACH_TYPE_MX31MOBOARD: + case MACH_TYPE_QONG: + case MACH_TYPE_MX31_3DS: + case MACH_TYPE_PCM037: + case MACH_TYPE_MX31ADS: + case MACH_TYPE_MX35_3DS: + case MACH_TYPE_PCM043: + uart_base = MX3X_UART1_BASE_ADDR; + break; + default: + break; + } +} +#define arch_decomp_setup() __arch_decomp_setup(arch_id) #define arch_decomp_wdog() #endif /* __ASM_ARCH_MXC_UNCOMPRESS_H__ */ |