diff options
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/siemens/mc_ehl/variants/mc_ehl5/mainboard.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/src/mainboard/siemens/mc_ehl/variants/mc_ehl5/mainboard.c b/src/mainboard/siemens/mc_ehl/variants/mc_ehl5/mainboard.c index 2c37c69698..ac3ab14eef 100644 --- a/src/mainboard/siemens/mc_ehl/variants/mc_ehl5/mainboard.c +++ b/src/mainboard/siemens/mc_ehl/variants/mc_ehl5/mainboard.c @@ -20,12 +20,10 @@ /* Disable SDR104 and SDR50 mode while keeping DDR50 mode enabled. */ static void disable_sdr_modes(struct resource *res) { - uint32_t reg; write32(res2mmio(res, MMC_CAP_BYP, 0), MMC_CAP_BYP_EN); - reg = read32(res2mmio(res, MMC_CAP_BYP_REG1, 0)); - reg &= ~(MMC_CAP_BYP_SDR104 | MMC_CAP_BYP_SDR50); - reg |= MMC_CAP_BYP_DDR50; - write32(res2mmio(res, MMC_CAP_BYP_REG1, 0), reg); + clrsetbits32(res2mmio(res, MMC_CAP_BYP_REG1, 0), + MMC_CAP_BYP_SDR104 | MMC_CAP_BYP_SDR50, + MMC_CAP_BYP_DDR50); } void variant_mainboard_final(void) @@ -43,7 +41,6 @@ void variant_mainboard_final(void) dev = pcidev_path_on_root(PCH_DEVFN_SDCARD); if (dev) { - uint16_t reg16; struct resource *res = probe_resource(dev, PCI_BASE_ADDRESS_0); if (!res) return; @@ -51,9 +48,7 @@ void variant_mainboard_final(void) disable_sdr_modes(res); /* Use preset driver strength from preset value registers. */ - reg16 = read16(res2mmio(res, HOSTCTRL2, 0)); - reg16 |= HOSTCTRL2_PRESET; - write16(res2mmio(res, HOSTCTRL2, 0), reg16); + clrsetbits16(res2mmio(res, HOSTCTRL2, 0), 0, HOSTCTRL2_PRESET); } dev = pcidev_path_on_root(PCH_DEVFN_EMMC); |