diff options
Diffstat (limited to 'cpu/mpc8xxx/ddr/util.c')
| -rw-r--r-- | cpu/mpc8xxx/ddr/util.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/cpu/mpc8xxx/ddr/util.c b/cpu/mpc8xxx/ddr/util.c index 27c135b112..70dbee06db 100644 --- a/cpu/mpc8xxx/ddr/util.c +++ b/cpu/mpc8xxx/ddr/util.c @@ -64,6 +64,9 @@ __fsl_ddr_set_lawbar(const common_timing_params_t *memctl_common_params, unsigned int memctl_interleaved, unsigned int ctrl_num) { + unsigned long long base = memctl_common_params->base_address; + unsigned long long size = memctl_common_params->total_mem; + /* * If no DIMMs on this controller, do not proceed any further. */ @@ -71,6 +74,13 @@ __fsl_ddr_set_lawbar(const common_timing_params_t *memctl_common_params, return; } +#if !defined(CONFIG_PHYS_64BIT) + if (base >= CONFIG_MAX_MEM_MAPPED) + return; + if ((base + size) >= CONFIG_MAX_MEM_MAPPED) + size = CONFIG_MAX_MEM_MAPPED - base; +#endif + if (ctrl_num == 0) { /* * Set up LAW for DDR controller 1 space. @@ -78,16 +88,12 @@ __fsl_ddr_set_lawbar(const common_timing_params_t *memctl_common_params, unsigned int lawbar1_target_id = memctl_interleaved ? LAW_TRGT_IF_DDR_INTRLV : LAW_TRGT_IF_DDR_1; - if (set_ddr_laws(memctl_common_params->base_address, - memctl_common_params->total_mem, - lawbar1_target_id) < 0) { + if (set_ddr_laws(base, size, lawbar1_target_id) < 0) { printf("ERROR\n"); return ; } } else if (ctrl_num == 1) { - if (set_ddr_laws(memctl_common_params->base_address, - memctl_common_params->total_mem, - LAW_TRGT_IF_DDR_2) < 0) { + if (set_ddr_laws(base, size, LAW_TRGT_IF_DDR_2) < 0) { printf("ERROR\n"); return ; } |