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mb/google/brya/crota: Remove MAC address passthru support 

ChromeOS connection manager (shill) already
has support for dock MAC address passthrough, therefore remove the
code to pass a dock's MAC address in ACPI.

BUG=b:235045188
TEST=build coreboot

Signed-off-by: Franklin Lin <franklin_lin@wistron.corp-partner.google.com>
Change-Id: I78320a7c6b0fd5392e24b63bff234229a3f4b9bc
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66040
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Franklin Lin 2022-07-21 15:28:44 +08:00 committed by Paul Fagerburg
parent c1b01ea9f5
commit 573fa36c3a
2 changed files with 0 additions and 54 deletions
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1
src/mainboard/google/brya/Kconfig.name
View File

@ -214,7 +214,6 @@ config BOARD_GOOGLE_CROTA
select CHROMEOS_WIFI_SAR if CHROMEOS
select DRIVERS_GENESYSLOGIC_GL9750
select DRIVERS_I2C_CS42L42
select VPD
config BOARD_GOOGLE_MOLI
bool "-> Moli"

53
src/mainboard/google/brya/variants/crota/variant.c
View File

@ -14,13 +14,6 @@ const char *get_wifi_sar_cbfs_filename(void)
return "wifi_sar_0.hex";
}
static const char *get_dock_mac_from_vpd(char *buf, int size)
{
/* Support MAC address pass-through */
/* Read value of 'dock_mac' from RO VPD */
return vpd_gets("dock_mac", buf, size, VPD_RO);
}
void variant_update_soc_chip_config(struct soc_intel_alderlake_config *config)
{
if (fw_config_probe(FW_CONFIG(DB_LTE, LTE_USB))) {
@ -37,49 +30,3 @@ void variant_update_soc_chip_config(struct soc_intel_alderlake_config *config)
config->ext_fivr_settings.vnn_sx_voltage_mv = 1250;
}
}
void variant_fill_ssdt(const struct device *unused)
{
/* Write MAC address to SSDT for Linux kernel r8152 driver */
/* enable pass-through support */
/* and read ACPI object name: "\_SB.AMAC" */
/* ASL code like this */
// Scope (\_SB)
// {
// Method (AMAC, 0, Serialized)
// {
// Return (ToBuffer (STRING))
// }
// }
char buf[32], acpi_buf[32];
if (get_dock_mac_from_vpd(buf, sizeof(buf)) != NULL) {
printk(BIOS_INFO, "RO_VPD, dock_mac=%s\n", buf);
/* remove ':' from mac address string */
size_t len = strlen(buf);
int i, j;
for (i = 0; i < len; i++) {
if (buf[i] == ':') {
for (j = i; j < len; j++)
buf[j] = buf[j+1];
len--;
i--;
}
}
buf[len] = '\0';
/* Format expected by the Linux kernel r8152 driver */
/* "_AUXMAC_#XXXXXXXXXXXX#" */
int acpi_buf_len = snprintf(acpi_buf, sizeof(acpi_buf), "_AUXMAC_#%s#", buf);
acpigen_write_scope("\\_SB");
acpigen_write_method_serialized("AMAC", 0);
acpigen_write_return_byte_buffer((uint8_t *)acpi_buf, acpi_buf_len);
acpigen_write_method_end();
acpigen_write_scope_end();
}
}