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| author | Martha Marx <mmarx@silicontkx.com> | 2008-05-29 14:23:25 -0400 |
|---|---|---|
| committer | John Rigby <jrigby@freescale.com> | 2008-07-10 11:36:42 -0600 |
| commit | f31c49db2a5e076f415c0785eb37f67f2faa5fc8 (patch) | |
| tree | 5d89a520255ea95f33adbffc50660a209033eaf3 /board/ads5121 | |
| parent | 16bee7b0dc294ee01ca2434aa1dd3bd717a69615 (diff) | |
| download | u-boot-imx-f31c49db2a5e076f415c0785eb37f67f2faa5fc8.zip u-boot-imx-f31c49db2a5e076f415c0785eb37f67f2faa5fc8.tar.gz u-boot-imx-f31c49db2a5e076f415c0785eb37f67f2faa5fc8.tar.bz2 | |
Configuration changes for ADS5121 Rev 3
ADS5121 Rev 3 board is now the default config
config targets are now
ads5121_config
Rev 3 board with
PCI
M41T62 on board RTC
512MB DRAM
ads5121_rev2_config
Rev 2 board with
No PCI
256MB DRAM
Signed-off-by: Martha Marx <mmarx@silicontkx.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: John Rigby <jrigby@freescale.com>
Diffstat (limited to 'board/ads5121')
| -rw-r--r-- | board/ads5121/README | 9 | ||||
| -rw-r--r-- | board/ads5121/ads5121.c | 19 |
2 files changed, 26 insertions, 2 deletions
diff --git a/board/ads5121/README b/board/ads5121/README new file mode 100644 index 0000000..f2d1df3 --- /dev/null +++ b/board/ads5121/README @@ -0,0 +1,9 @@ +To configure for the current (Rev 3.x) ADS5121 + make ads5121_config +This will automatically include PCI, the Real Time CLock, add backup flash +ability and set the correct frequency and memory configuration. + +To configure for the older Rev 2 ADS5121 type (this will not have PCI) + make ads5121_rev2_config + + diff --git a/board/ads5121/ads5121.c b/board/ads5121/ads5121.c index 130b81d..de59991 100644 --- a/board/ads5121/ads5121.c +++ b/board/ads5121/ads5121.c @@ -26,7 +26,9 @@ #include <asm/bitops.h> #include <command.h> #include <fdt_support.h> - +#ifdef CONFIG_MISC_INIT_R +#include <i2c.h> +#endif /* Clocks in use */ #define SCCR1_CLOCKS_EN (CLOCK_SCCR1_CFG_EN | \ CLOCK_SCCR1_LPC_EN | \ @@ -75,8 +77,21 @@ int board_early_init_f (void) * Without this the flash identification routine fails, as it needs to issue * write commands in order to establish the device ID. */ - *((volatile u8 *)(CFG_CPLD_BASE + 0x08)) = 0xC1; +#ifdef CONFIG_ADS5121_REV2 + *((volatile u8 *)(CFG_CPLD_BASE + 0x08)) = 0xC1; +#else + if (*((u8 *)(CFG_CPLD_BASE + 0x08)) & 0x04) { + *((volatile u8 *)(CFG_CPLD_BASE + 0x08)) = 0xC1; + } else { + /* running from Backup flash */ + *((volatile u8 *)(CFG_CPLD_BASE + 0x08)) = 0x32; + } +#endif + /* + * Configure Flash Speed + */ + *((volatile u32 *)(CFG_IMMR + LPC_OFFSET + CS0_CONFIG)) = CFG_CS0_CFG; /* * Enable clocks */ |