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/* SPDX-License-Identifier: GPL-2.0-only */
#include <console/console.h>
#include <ec/acpi/ec.h>
#include <stdint.h>
#include "ec.h"
#define BIRMAN_EC_CMD 0x666
#define BIRMAN_EC_DATA 0x662
#define EC_GPIO_1_ADDR 0xA1
#define EC1_EVAL_PWREN BIT(1)
#define EC_GPIO_2_ADDR 0xA2
#define EC2_EVAL_SLOT_PWREN BIT(5)
#define EC2_EVAL_19V_EN BIT(2)
#define EC_GPIO_3_ADDR 0xA3
#define EC3_WLAN_RST_AUX BIT(5)
#define EC3_WWAN_RST_AUX BIT(4)
#define EC3_SD_RST_AUX BIT(3)
#define EC3_DT_RST_AUX BIT(2)
#define EC3_LOM_RST_AUX BIT(1)
#define EC3_EVAL_RST_AUX BIT(0)
#define EC_GPIO_7_ADDR 0xA7
#define EC7_WWAN_PWR_OFF_N BIT(7)
#define EC7_BT_RADIO_DIS BIT(2)
#define EC7_WL_RADIO_DIS BIT(0)
#define EC_GPIO_8_ADDR 0xA8
#define EC8_ADAPTER_OFF BIT(5)
#define EC8_EVAL_SMBUS1_N_SW BIT(3)
#define EC8_MP2_SEL BIT(2)
#define EC8_DT_N_SSD1_SW BIT(1)
#define EC_GPIO_9_ADDR 0xA9
#define EC9_CAM0_PWR_EN BIT(7)
#define EC9_CAM1_PWR_EN BIT(6)
#define EC9_WWAN_RST BIT(5)
#define EC9_DT_PWREN BIT(2)
#define EC9_TPM_PWR_EN BIT(1)
#define EC9_TPM_S0I3_N BIT(0)
#define EC_GPIO_A_ADDR 0xAA
#define ECA_MUX2_S0 BIT(7)
#define ECA_MUX2_S1 BIT(6)
#define ECA_MUX1_S0 BIT(5)
#define ECA_MUX1_S1 BIT(4)
#define ECA_MUX0_S0 BIT(3)
#define ECA_MUX0_S1 BIT(2)
#define ECA_SMBUS1_EN BIT(1)
#define ECA_SMBUS0_EN BIT(0)
#define EC_GPIO_C_ADDR 0xAC
#define ECC_TPNL_BUF_EN BIT(6)
#define ECC_TPAD_BUF_EN BIT(5)
#define ECC_NFC_BUF_EN BIT(4)
#define EC_GPIO_D_ADDR 0xAD
#define ECD_TPNL_PWR_EN BIT(7)
#define ECD_TPNL_EN BIT(6)
#define ECD_SSD1_PWR_EN BIT(5)
#define ECD_FPR_PWR_EN BIT(3)
#define ECD_FPR_OFF_N BIT(2)
#define ECD_FPR_LOCK_N BIT(1)
#define ECD_TPAD_DISABLE_N BIT(0)
#define EC_GPIO_E_ADDR 0xAE
#define ECE_LOM_PWR_EN BIT(7)
#define ECE_SSD0_PWR_EN BIT(6)
#define ECE_SD_PWR_EN BIT(5)
#define ECE_WLAN_PWR_EN BIT(4)
#define ECE_WWAN_PWR_EN BIT(3)
#define ECE_CAM_PWR_EN BIT(2)
#define ECE_FPR_N_GBE_SEL BIT(1)
#define ECE_BT_N_TPNL_SEL BIT(0)
#define EC_GPIO_F_ADDR 0xAF
#define ECF_CAM_FW_WP_N BIT(7)
#define ECF_I2C_MUX_OE_N BIT(4)
#define ECF_WLAN0_N_WWAN1_SW BIT(1)
#define ECF_WWAN0_N_WLAN1_SW BIT(0)
#define EC_GPIO_G_ADDR 0xB0
#define ECG_IR_LED_PWR_EN BIT(7)
#define ECG_U0_WLAN_HDR_SEL BIT(6)
#define ECG_DT_SSD1_MUX_OFF BIT(5)
#define ECG_WLAN_WWAN_MUX_OFF BIT(4)
static void configure_ec_gpio(void)
{
uint8_t tmp;
tmp = ec_read(EC_GPIO_1_ADDR);
if (CONFIG(ENABLE_EVAL_CARD)) {
tmp |= EC1_EVAL_PWREN;
} else {
tmp &= ~EC1_EVAL_PWREN;
}
printk(BIOS_SPEW, "Write reg [0x%02x] = 0x%02x\n", EC_GPIO_1_ADDR, tmp);
ec_write(EC_GPIO_1_ADDR, tmp);
tmp = ec_read(EC_GPIO_2_ADDR);
if (CONFIG(ENABLE_EVAL_CARD)) {
tmp |= EC2_EVAL_SLOT_PWREN;
if (CONFIG(ENABLE_EVAL_19V)) {
tmp |= EC2_EVAL_19V_EN;
} else {
tmp &= ~EC2_EVAL_19V_EN;
}
} else {
tmp &= ~EC2_EVAL_SLOT_PWREN;
tmp &= ~EC2_EVAL_19V_EN;
}
printk(BIOS_SPEW, "Write reg [0x%02x] = 0x%02x\n", EC_GPIO_2_ADDR, tmp);
ec_write(EC_GPIO_2_ADDR, tmp);
tmp = ec_read(EC_GPIO_3_ADDR);
tmp |= EC3_WLAN_RST_AUX | EC3_WWAN_RST_AUX | EC3_SD_RST_AUX;
tmp |= EC3_DT_RST_AUX | EC3_LOM_RST_AUX | EC3_EVAL_RST_AUX;
printk(BIOS_SPEW, "Write reg [0x%02x] = 0x%02x\n", EC_GPIO_3_ADDR, tmp);
ec_write(EC_GPIO_3_ADDR, tmp);
tmp = ec_read(EC_GPIO_7_ADDR);
tmp &= ~EC7_BT_RADIO_DIS;
tmp &= ~EC7_WL_RADIO_DIS;
tmp |= EC7_WWAN_PWR_OFF_N;
printk(BIOS_SPEW, "Write reg [0x%02x] = 0x%02x\n", EC_GPIO_7_ADDR, tmp);
ec_write(EC_GPIO_7_ADDR, tmp);
tmp = ec_read(EC_GPIO_8_ADDR);
if (CONFIG(ENABLE_M2_SSD1)) {
tmp |= EC8_DT_N_SSD1_SW;
} else {
tmp &= ~EC8_DT_N_SSD1_SW;
}
printk(BIOS_SPEW, "Write reg [0x%02x] = 0x%02x\n", EC_GPIO_8_ADDR, tmp);
ec_write(EC_GPIO_8_ADDR, tmp);
tmp = ec_read(EC_GPIO_9_ADDR);
tmp |= EC9_CAM0_PWR_EN | EC9_CAM1_PWR_EN | EC9_WWAN_RST | EC9_TPM_PWR_EN;
if (CONFIG(ENABLE_DT_SLOT)) {
tmp |= EC9_DT_PWREN;
} else {
tmp &= ~EC9_DT_PWREN;
}
printk(BIOS_SPEW, "Write reg [0x%02x] = 0x%02x\n", EC_GPIO_9_ADDR, tmp);
ec_write(EC_GPIO_9_ADDR, tmp);
tmp = ECA_MUX1_S0 | ECA_SMBUS1_EN | ECA_SMBUS0_EN;
printk(BIOS_SPEW, "Write reg [0x%02x] = 0x%02x\n", EC_GPIO_A_ADDR, tmp);
ec_write(EC_GPIO_A_ADDR, tmp);
tmp = ec_read(EC_GPIO_C_ADDR);
tmp |= ECC_TPNL_BUF_EN | ECC_TPAD_BUF_EN | ECC_NFC_BUF_EN;
printk(BIOS_SPEW, "Write reg [0x%02x] = 0x%02x\n", EC_GPIO_C_ADDR, tmp);
ec_write(EC_GPIO_C_ADDR, tmp);
tmp = ec_read(EC_GPIO_D_ADDR);
tmp |= ECD_TPNL_PWR_EN | ECD_TPNL_EN | ECD_TPAD_DISABLE_N;
if (CONFIG(ENABLE_M2_SSD1)) {
tmp |= ECD_SSD1_PWR_EN;
} else {
tmp &= ~ECD_SSD1_PWR_EN;
}
printk(BIOS_SPEW, "Write reg [0x%02x] = 0x%02x\n", EC_GPIO_D_ADDR, tmp);
ec_write(EC_GPIO_D_ADDR, tmp);
tmp = ec_read(EC_GPIO_E_ADDR);
tmp |= ECE_LOM_PWR_EN | ECE_SSD0_PWR_EN | ECE_SD_PWR_EN;
tmp |= ECE_CAM_PWR_EN | ECE_FPR_N_GBE_SEL;
tmp &= ~ECE_BT_N_TPNL_SEL;
if (CONFIG(WLAN01)) { // no WWAN, turn off WWAN power
tmp &= ~ECE_WWAN_PWR_EN;
} else {
tmp |= ECE_WWAN_PWR_EN;
}
if (CONFIG(WWAN01)) { // no WLAN, turn off WLAN power
tmp &= ~ECE_WLAN_PWR_EN;
} else {
tmp |= ECE_WLAN_PWR_EN;
}
printk(BIOS_SPEW, "Write reg [0x%02x] = 0x%02x\n", EC_GPIO_E_ADDR, tmp);
ec_write(EC_GPIO_E_ADDR, tmp);
tmp = ec_read(EC_GPIO_F_ADDR);
if (CONFIG(WLAN01)) {
tmp |= ECF_WWAN0_N_WLAN1_SW;
} else {
tmp &= ~ECF_WWAN0_N_WLAN1_SW;
}
if (CONFIG(WWAN01)) {
tmp |= ECF_WLAN0_N_WWAN1_SW;
} else {
tmp &= ~ECF_WLAN0_N_WWAN1_SW;
}
printk(BIOS_SPEW, "Write reg [0x%02x] = 0x%02x\n", EC_GPIO_F_ADDR, tmp);
ec_write(EC_GPIO_F_ADDR, tmp);
tmp = ec_read(EC_GPIO_G_ADDR);
tmp &= ~ECG_DT_SSD1_MUX_OFF;
tmp &= ~ECG_WLAN_WWAN_MUX_OFF;
tmp |= ECG_IR_LED_PWR_EN | ECG_U0_WLAN_HDR_SEL;
printk(BIOS_SPEW, "Write reg [0x%02x] = 0x%02x\n", EC_GPIO_G_ADDR, tmp);
ec_write(EC_GPIO_G_ADDR, tmp);
}
void birman_ec_init(void)
{
ec_set_ports(BIRMAN_EC_CMD, BIRMAN_EC_DATA);
configure_ec_gpio();
}
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