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| author | TsiChung Liew <tsicliew@gmail.com> | 2010-03-11 15:04:21 -0600 |
|---|---|---|
| committer | TsiChung Liew <tsicliew@gmail.com> | 2010-03-24 11:09:10 -0500 |
| commit | 68e4e76af55746a4330865f56476e58ce4140ca8 (patch) | |
| tree | 66f56b371fed59c7f8e173ae27c4e681cb27de4a /cpu/mcf5445x/cpu_init.c | |
| parent | fa9da596212d7f28eb26a3257d79d9515f9838cd (diff) | |
| download | u-boot-imx-68e4e76af55746a4330865f56476e58ce4140ca8.zip u-boot-imx-68e4e76af55746a4330865f56476e58ce4140ca8.tar.gz u-boot-imx-68e4e76af55746a4330865f56476e58ce4140ca8.tar.bz2 | |
ColdFire: Relocate vector table - mcf5445x
Newer ColdFire processors family boot from address 0 instead of
0xFFnn_nnnn. When the boot flash base chip select is set at new
location instead of 0, an un-predictable error will occur if
there is an vector being trigger and refer it to an invalid
address or the vector table handler is not existed at address
0.
Signed-off-by: TsiChung Liew <tsicliew@gmail.com>
Diffstat (limited to 'cpu/mcf5445x/cpu_init.c')
| -rw-r--r-- | cpu/mcf5445x/cpu_init.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/cpu/mcf5445x/cpu_init.c b/cpu/mcf5445x/cpu_init.c index 00e0ca6..8d51d35 100644 --- a/cpu/mcf5445x/cpu_init.c +++ b/cpu/mcf5445x/cpu_init.c @@ -28,6 +28,7 @@ #include <common.h> #include <watchdog.h> #include <asm/immap.h> +#include <asm/processor.h> #include <asm/rtc.h> #if defined(CONFIG_CMD_NET) @@ -105,6 +106,14 @@ void cpu_init_f(void) fbcs->csmr5 = CONFIG_SYS_CS5_MASK; #endif + /* + * now the flash base address is no longer at 0 (Newer ColdFire family + * boot at address 0 instead of 0xFFnn_nnnn). The vector table must + * also move to the new location. + */ + if (CONFIG_SYS_CS0_BASE != 0) + setvbr(CONFIG_SYS_CS0_BASE); + #ifdef CONFIG_FSL_I2C gpio->par_feci2c = GPIO_PAR_FECI2C_SCL_SCL | GPIO_PAR_FECI2C_SDA_SDA; #endif |