diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/siemens/mc_ehl/variants/mc_ehl4/gpio.c | 1 | ||||
| -rw-r--r-- | src/mainboard/siemens/mc_ehl/variants/mc_ehl4/memory.c | 8 |
2 files changed, 9 insertions, 0 deletions
diff --git a/src/mainboard/siemens/mc_ehl/variants/mc_ehl4/gpio.c b/src/mainboard/siemens/mc_ehl/variants/mc_ehl4/gpio.c index 9f1c77f20a..4919ac7433 100644 --- a/src/mainboard/siemens/mc_ehl/variants/mc_ehl4/gpio.c +++ b/src/mainboard/siemens/mc_ehl/variants/mc_ehl4/gpio.c @@ -118,6 +118,7 @@ static const struct pad_config gpio_table[] = { /* Early pad configuration in bootblock */ static const struct pad_config early_gpio_table[] = { + PAD_CFG_GPI(GPP_B5, NONE, DEEP), /* DRAM population */ PAD_CFG_NF(GPP_C0, NONE, DEEP, NF1), /* SMB_CLK */ PAD_CFG_NF(GPP_C1, NONE, DEEP, NF1), /* SMB_DATA */ PAD_CFG_NF(GPP_C2, NONE, DEEP, NF2), /* SMB_ALERT_N */ diff --git a/src/mainboard/siemens/mc_ehl/variants/mc_ehl4/memory.c b/src/mainboard/siemens/mc_ehl/variants/mc_ehl4/memory.c index 7b7dad1129..dc0f073201 100644 --- a/src/mainboard/siemens/mc_ehl/variants/mc_ehl4/memory.c +++ b/src/mainboard/siemens/mc_ehl/variants/mc_ehl4/memory.c @@ -57,3 +57,11 @@ const struct mb_cfg *variant_memcfg_config(void) { return &mc_ehl_lpddr4x_memcfg_cfg; } + +bool half_populated(void) +{ + /* There are two different memory expansion variants of this mainboard. + The GPIO GPP_B5 indicates whether the mainboard is equipped with half- or + full-populated DRAM. */ + return gpio_get(GPP_B5); +} |