diff options
Diffstat (limited to 'cpu/mpc83xx/spd_sdram.c')
| -rw-r--r-- | cpu/mpc83xx/spd_sdram.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/cpu/mpc83xx/spd_sdram.c b/cpu/mpc83xx/spd_sdram.c index 0f611804a..44aaa9abc 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 |