diff options
Diffstat (limited to 'src/soc/intel/apollolake/meminit.c')
| -rw-r--r-- | src/soc/intel/apollolake/meminit.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/meminit.c b/src/soc/intel/apollolake/meminit.c index 8b661c9568..89547690b3 100644 --- a/src/soc/intel/apollolake/meminit.c +++ b/src/soc/intel/apollolake/meminit.c @@ -211,3 +211,35 @@ void meminit_lpddr4_enable_channel(struct FSP_M_CONFIG *cfg, int logical_chan, break; } } + +void meminit_lpddr4_by_sku(struct FSP_M_CONFIG *cfg, + const struct lpddr4_cfg *lpcfg, size_t sku_id) +{ + const struct lpddr4_sku *sku; + + if (sku_id >= lpcfg->num_skus) { + printk(BIOS_ERR, "Too few LPDDR4 SKUs: 0x%zx/0x%zx\n", + sku_id, lpcfg->num_skus); + return; + } + + printk(BIOS_INFO, "LPDDR4 SKU id = 0x%zx\n", sku_id); + + sku = &lpcfg->skus[sku_id]; + + meminit_lpddr4(cfg, sku->speed); + + if (sku->ch0_density) { + printk(BIOS_INFO, "LPDDR4 Ch0 density = %d\n", + sku->ch0_density); + meminit_lpddr4_enable_channel(cfg, LP4_LCH0, sku->ch0_density, + lpcfg->swizzle_config); + } + + if (sku->ch1_density) { + printk(BIOS_INFO, "LPDDR4 Ch1 density = %d\n", + sku->ch1_density); + meminit_lpddr4_enable_channel(cfg, LP4_LCH1, sku->ch1_density, + lpcfg->swizzle_config); + } +} |