soc/amd/picasso: Move sd_emmc_config into emmc_config struct

I plan on adding another eMMC parameter. This refactor keeps the config
contained in a single struct.

BUG=b:159823235
TEST=Build test

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: I4b57d651ab44d6c1cad661d620bffd4207dfebd4
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45095
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/mainboard/amd/mandolin/mainboard.c

@@ -112,7 +112,7 @@ static void mainboard_init(void *chip_info)
 	struct soc_amd_picasso_config *cfg = config_of_soc();
 
 	if (!CONFIG(PICASSO_LPC_IOMUX))
-		cfg->sd_emmc_config = SD_EMMC_EMMC_HS400;
+		cfg->emmc_config.timing = SD_EMMC_EMMC_HS400;
 
 	mainboard_program_gpios();
 

src/mainboard/amd/mandolin/variants/mandolin/devicetree.cb

@@ -7,7 +7,9 @@ chip soc/amd/picasso
 	register "fadt_boot_arch" = "ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042"
 	register "fadt_flags" = "ACPI_FADT_SLEEP_BUTTON" # See table 5-34 ACPI 6.3 spec
 
-	register "sd_emmc_config" = "SD_EMMC_DISABLE"
+	register "emmc_config" = "{
+		.timing = SD_EMMC_DISABLE,
+	}"
 
 	register "has_usb2_phy_tune_params" = "1"
 

src/mainboard/google/zork/variants/baseboard/devicetree_dalboz.cb

@@ -40,7 +40,9 @@ chip soc/amd/picasso
 
 	# End : OPN Performance Configuration
 
-	register "sd_emmc_config" = "SD_EMMC_EMMC_HS400"
+	register "emmc_config" = "{
+		.timing = SD_EMMC_EMMC_HS400,
+	}"
 
 	register "xhci0_force_gen1" = "0"
 

src/mainboard/google/zork/variants/baseboard/devicetree_trembyle.cb

@@ -40,7 +40,9 @@ chip soc/amd/picasso
 
 	# End : OPN Performance Configuration
 
-	register "sd_emmc_config" = "SD_EMMC_EMMC_HS400"
+	register "emmc_config" = "{
+		.timing = SD_EMMC_EMMC_HS400,
+	}"
 
 	register "xhci0_force_gen1" = "0"
 

src/mainboard/google/zork/variants/dalboz/variant.c

@@ -134,10 +134,10 @@ void variant_devtree_update(void)
 			 * So we keep the speed low here, with the intent that
 			 * other variants implement these corrections.
 			 */
-			cfg->sd_emmc_config = SD_EMMC_EMMC_HS200;
+			cfg->emmc_config.timing = SD_EMMC_EMMC_HS200;
 		}
 	} else {
-		cfg->sd_emmc_config = SD_EMMC_DISABLE;
+		cfg->emmc_config.timing = SD_EMMC_DISABLE;
 	}
 
 	update_audio_configuration();

src/mainboard/google/zork/variants/ezkinil/variant.c

@@ -15,5 +15,5 @@ void variant_devtree_update(void)
 	 * Enable eMMC if eMMC bit is set in FW_CONFIG or device is unprovisioned.
 	 */
 	if (!(variant_has_emmc() || boot_is_factory_unprovisioned()))
-		cfg->sd_emmc_config = SD_EMMC_DISABLE;
+		cfg->emmc_config.timing = SD_EMMC_DISABLE;
 }