diff options
Diffstat (limited to 'src/mainboard/google/hatch/variants/baseboard/memory.c')
| -rw-r--r-- | src/mainboard/google/hatch/variants/baseboard/memory.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/src/mainboard/google/hatch/variants/baseboard/memory.c b/src/mainboard/google/hatch/variants/baseboard/memory.c index 80f3ba4260..6ca98e4c7f 100644 --- a/src/mainboard/google/hatch/variants/baseboard/memory.c +++ b/src/mainboard/google/hatch/variants/baseboard/memory.c @@ -17,6 +17,7 @@ #include <baseboard/gpio.h> #include <gpio.h> #include <soc/cnl_memcfg_init.h> +#include <string.h> static const struct cnl_mb_cfg baseboard_memcfg = { /* @@ -42,9 +43,25 @@ static const struct cnl_mb_cfg baseboard_memcfg = { .ect = 1, }; -const struct cnl_mb_cfg *__weak variant_memory_params(void) +void __weak variant_memory_params(struct cnl_mb_cfg *bcfg) { - return &baseboard_memcfg; + memcpy(bcfg, &baseboard_memcfg, sizeof(baseboard_memcfg)); + /* + * GPP_F2 is the MEM_CH_SEL gpio, which is set to 1 for single + * channel skus and 0 for dual channel skus. + */ + if (gpio_get(GPP_F2) == 1) { + /* + * Single channel config: for Hatch, Channel 0 is + * always populated. + */ + bcfg->channel_empty[0] = 0; + bcfg->channel_empty[1] = 1; + } else { + /* Dual channel config: both channels populated. */ + bcfg->channel_empty[0] = 0; + bcfg->channel_empty[1] = 0; + } } int __weak variant_memory_sku(void) |