diff options
Diffstat (limited to 'cpu/mpc83xx')
| -rw-r--r-- | cpu/mpc83xx/cpu_init.c | 12 | ||||
| -rw-r--r-- | cpu/mpc83xx/spd_sdram.c | 9 |
2 files changed, 21 insertions, 0 deletions
diff --git a/cpu/mpc83xx/cpu_init.c b/cpu/mpc83xx/cpu_init.c index 0d6a5fe..75b4522 100644 --- a/cpu/mpc83xx/cpu_init.c +++ b/cpu/mpc83xx/cpu_init.c @@ -70,6 +70,12 @@ void cpu_init_f (volatile immap_t * im) #ifdef CONFIG_SYS_ACR_RPTCNT /* Arbiter repeat count */ (ACR_RPTCNT << ACR_RPTCNT_SHIFT) | #endif +#ifdef CONFIG_SYS_ACR_APARK /* Arbiter address parking mode */ + (ACR_APARK << ACR_APARK_SHIFT) | +#endif +#ifdef CONFIG_SYS_ACR_PARKM /* Arbiter parking master */ + (ACR_PARKM << ACR_PARKM_SHIFT) | +#endif 0; __be32 acr_val = #ifdef CONFIG_SYS_ACR_PIPE_DEP /* Arbiter pipeline depth */ @@ -78,6 +84,12 @@ void cpu_init_f (volatile immap_t * im) #ifdef CONFIG_SYS_ACR_RPTCNT /* Arbiter repeat count */ (CONFIG_SYS_ACR_RPTCNT << ACR_RPTCNT_SHIFT) | #endif +#ifdef CONFIG_SYS_ACR_APARK /* Arbiter address parking mode */ + (CONFIG_SYS_ACR_APARK << ACR_APARK_SHIFT) | +#endif +#ifdef CONFIG_SYS_ACR_PARKM /* Arbiter parking master */ + (CONFIG_SYS_ACR_PARKM << ACR_PARKM_SHIFT) | +#endif 0; __be32 spcr_mask = #ifdef CONFIG_SYS_SPCR_OPT /* Optimize transactions between CSB and other dev */ diff --git a/cpu/mpc83xx/spd_sdram.c b/cpu/mpc83xx/spd_sdram.c index 0f61180..44aaa9a 100644 --- a/cpu/mpc83xx/spd_sdram.c +++ b/cpu/mpc83xx/spd_sdram.c @@ -29,6 +29,7 @@ #include <common.h> #include <asm/processor.h> +#include <asm/io.h> #include <i2c.h> #include <spd.h> #include <asm/mmu.h> @@ -150,6 +151,14 @@ long int spd_sdram() unsigned int ddrc_ecc_enable; unsigned int pvr = get_pvr(); + /* + * First disable the memory controller (could be enabled + * by the debugger) + */ + clrsetbits_be32(&ddr->sdram_cfg, SDRAM_CFG_MEM_EN, 0); + sync(); + isync(); + /* Read SPD parameters with I2C */ CONFIG_SYS_READ_SPD(SPD_EEPROM_ADDRESS, 0, 1, (uchar *) & spd, sizeof (spd)); #ifdef SPD_DEBUG |