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mb/google/dedede: Add EMMC configuration 

Turn on EMMC device and enable the HS400 mode. Configure the GPIOs
associated with EMMC.

BUG=None
TEST=Build the mainboard.

Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Change-Id: Ic27c68f4622eec5b2930dc38186b82d895d3f67c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38856
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Aamir Bohra <aamir.bohra@intel.com>
This commit is contained in:
Karthikeyan Ramasubramanian 2020-02-12 12:07:51 -07:00 committed by Patrick Georgi
parent 7225ed6035
commit be6583ae5c
2 changed files with 29 additions and 1 deletions
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5
src/mainboard/google/dedede/variants/baseboard/devicetree.cb
View File

@ -69,6 +69,9 @@ chip soc/intel/tigerlake
[PchSerialIoIndexUART2] = PchSerialIoSkipInit,
}"
# Enable EMMC HS400 mode
register "ScsEmmcHs400Enabled" = "1"
# Intel Common SoC Config
#+-------------------+---------------------------+
#| Field | Value |
@ -129,7 +132,7 @@ chip soc/intel/tigerlake
device pci 19.0 on end # I2C 4
device pci 19.1 off end # I2C 5
device pci 19.2 on end # UART 2
device pci 1a.0 off end # eMMC
device pci 1a.0 on end # eMMC
device pci 1c.0 off end # PCI Express Root Port 1
device pci 1c.1 off end # PCI Express Root Port 2
device pci 1c.2 off end # PCI Express Root Port 3

25
src/mainboard/google/dedede/variants/baseboard/gpio.c
View File

@ -58,6 +58,31 @@ static const struct pad_config gpio_table[] = {
/* C23 : UART2_CTS_N */
PAD_NC(GPP_C23, DN_20K),
/* F7 : EMMC_CMD */
PAD_CFG_NF(GPP_F7, NONE, DEEP, NF1),
/* F8 : EMMC_DATA0 */
PAD_CFG_NF(GPP_F8, NONE, DEEP, NF1),
/* F9 : EMMC_DATA1 */
PAD_CFG_NF(GPP_F9, NONE, DEEP, NF1),
/* F10 : EMMC_DATA2 */
PAD_CFG_NF(GPP_F10, NONE, DEEP, NF1),
/* F11 : EMMC_DATA3 */
PAD_CFG_NF(GPP_F11, NONE, DEEP, NF1),
/* F12 : EMMC_DATA4 */
PAD_CFG_NF(GPP_F12, NONE, DEEP, NF1),
/* F13 : EMMC_DATA5 */
PAD_CFG_NF(GPP_F13, NONE, DEEP, NF1),
/* F14 : EMMC_DATA6 */
PAD_CFG_NF(GPP_F14, NONE, DEEP, NF1),
/* F15 : EMMC_DATA7 */
PAD_CFG_NF(GPP_F15, NONE, DEEP, NF1),
/* F16 : EMMC_RCLK */
PAD_CFG_NF(GPP_F16, NONE, DEEP, NF1),
/* F17 : EMMC_CLK */
PAD_CFG_NF(GPP_F17, NONE, DEEP, NF1),
/* F18 : EMMC_RESET_N */
PAD_CFG_NF(GPP_F18, NONE, DEEP, NF1),
/* H4 : AP_I2C_TS_SDA */
PAD_CFG_NF(GPP_H4, NONE, DEEP, NF1),
/* H5 : AP_I2C_TS_SCL */