hancock: pmic configuration
- da9063 pmic driver refactoring - fixing register settings for pre v1.3 configuration
This commit is contained in:
Rene Straub
Patrick Zysset
parent
6f1368461f
commit
b9270bf506
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@ -358,6 +358,57 @@ struct dpll_params dpll_ddr = {
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DDR3_CLOCK_FREQUENCY, OSC-1, 1, -1, -1, -1, -1
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};
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static void init_pmic_spl(void)
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{
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int rc;
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int bus;
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uint8_t val;
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/* PMIC basic configuration */
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da9063_init(CONFIG_PMIC_I2C_BUS);
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bus = da9063_claim_i2c_bus();
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/* Workaround for pre v1.3 config (reports ID 0x3e) */
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rc = da9063_get_reg(PMIC_REG_CONFIG_ID, &val);
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if (!rc && (val == 0x3E)) {
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printf("Detected pre v1.3 PMIC config. Fixing registers\n");
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/* Include +3V3_SENSORS (LDO3) in sequencing and enable manually */
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(void)da9063_set_reg(PMIC_REG_ID_4_3, 0x07 /* Slot 7 */);
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(void)da9063_set_reg(PMIC_REG_LDO3_CONT, PMIC_LDOx_EN_MASK);
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/*
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* Set AUTO Bit for sequencer controlled supplies, so that they get
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* enabled when leaving power down state
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*/
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(void)da9063_set_reg(PMIC_REG_CONFIG_E, 0x3B);
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(void)da9063_set_reg(PMIC_REG_CONFIG_G, 0x44);
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/*
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* Clear sequencer target state bit (xxx_CONT::xxx_CONF bit), so that
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* regulators are disabled when entering power down state.
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*/
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(void)da9063_set_reg(PMIC_REG_LDO3_CONT, PMIC_LDOx_EN_MASK);
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(void)da9063_set_reg(PMIC_REG_LDO7_CONT, PMIC_LDOx_EN_MASK);
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(void)da9063_set_reg(PMIC_REG_BCORE1_CONT, PMIC_LDOx_EN_MASK);
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(void)da9063_set_reg(PMIC_REG_BCORE2_CONT, PMIC_LDOx_EN_MASK);
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(void)da9063_set_reg(PMIC_REG_BPERI_CONT, PMIC_LDOx_EN_MASK);
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(void)da9063_set_reg(PMIC_REG_BIO_CONT, PMIC_LDOx_EN_MASK);
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(void)da9063_set_reg(PMIC_REG_BMEM_CONT, PMIC_LDOx_EN_MASK);
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}
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/* Enable +3V3_GNSS (LDO6) */
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(void)da9063_set_reg(PMIC_REG_LDO6_CONT, PMIC_LDOx_EN_MASK);
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mdelay(2);
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/* Enable +5V_CAN (LDO11 Switch) */
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(void)da9063_set_reg(PMIC_REG_LDO11_CONT, PMIC_LDOx_EN_MASK);
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mdelay(2);
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da9063_release_i2c_bus(bus);
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}
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void am33xx_spl_board_init(void)
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{
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@ -370,17 +421,8 @@ void am33xx_spl_board_init(void)
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/* Configure I2C busses */
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init_i2c();
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/* PMIC basic configuration */
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da9063_init(CONFIG_PMIC_I2C_BUS);
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/* Enable +3V3_SENSOR (LDO3) - Not enabled in early PMIC configs */
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(void)da9063_set_reg(PMIC_REG_LDO3_CONT, PMIC_LDOx_EN_MASK);
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/* Enable +3V3_GNSS (LDO6) */
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(void)da9063_set_reg(PMIC_REG_LDO6_CONT, PMIC_LDOx_EN_MASK);
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/* Enable +5V_CAN (LDO11 Switch) */
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(void)da9063_set_reg(PMIC_REG_LDO11_CONT, PMIC_LDOx_EN_MASK);
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/* Setup PMIC */
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init_pmic_spl();
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init_leds();
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set_status_led(1, 1); /* Orange */ /* TODO: -> Broken #2 use indicator led instead */
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@ -498,6 +540,10 @@ static void init_usb_hub(void)
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static void init_user_module(void)
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{
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int bus;
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bus = da9063_claim_i2c_bus();
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/* TODO: Open Drain as UM can drive against mainboard */
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/* TODO: Check whether reset shall be driven by mainboard at all */
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/* REQUEST_AND_CLEAR_GPIO(NETBIRD_GPIO_RST_PHY_N); */
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@ -521,6 +567,8 @@ static void init_user_module(void)
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gpio_direction_input(GPIO_RST_UM_N); /* Release reset (open drain) */
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puts("ready\n");
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da9063_release_i2c_bus(bus);
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}
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static void init_sim_mux(void)
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@ -533,6 +581,8 @@ static void init_sim_mux(void)
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static void init_gsm(void)
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{
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int bus;
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/*
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* Perform power up sequence for TOBY-L2 modem.
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*
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@ -544,8 +594,9 @@ static void init_gsm(void)
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* 2.3.1 Module power-on
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*/
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bus = da9063_claim_i2c_bus();
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puts("GSM: ");
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/* TODO: Update for uBlox TOBY-L2 */
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/* TODO: Keep Power-On and use GSM Modem Reset Signal to restart */
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@ -560,15 +611,10 @@ static void init_gsm(void)
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mdelay(10);
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gpio_set_value(GPIO_RST_GSM, 0); /* Take modem out of reset */
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/* TODO: Check and update as required */
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#if 0
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mdelay(300); /* Wait for power to stabilizy, #3.4.2 */
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gpio_set_value(GPIO_PWR_GSM, 1); /* Generate power on event, #3.4.2 */
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mdelay(1200);
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gpio_set_value(GPIO_PWR_GSM, 0);
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#endif
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puts("ready\n");
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da9063_release_i2c_bus(bus);
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}
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static void init_gnss(void)
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@ -670,10 +716,21 @@ static void get_pmic_version(void)
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{
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uint8_t val = 0x00;
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uint8_t ver, rev;
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int bus;
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int rc;
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(void)da9063_get_reg(PMIC_REG_CONFIG_ID, &val);
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ver = (val >> 4) & 0xF;
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rev = (val >> 0) & 0xF;
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bus = da9063_claim_i2c_bus();
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rc = da9063_get_reg(PMIC_REG_CONFIG_ID, &val);
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if (!rc) {
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ver = (val >> 4) & 0xF;
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rev = (val >> 0) & 0xF;
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} else {
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ver = 0;
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rev = 0;
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}
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da9063_release_i2c_bus(bus);
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/* Quirk:
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* If reported version is 3.14, this is one of the 5 prototypes which have
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@ -714,6 +771,7 @@ static bool get_button_state(void)
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{
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u8 state = 0x00;
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/* TODO: Claim Bus */
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(void)da9063_get_reg(PMIC_REG_STATUS_A, &state);
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return (state & 0x01) == 0x01;
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@ -1015,4 +1073,3 @@ U_BOOT_CMD(
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);
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#endif
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@ -16,6 +16,33 @@
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static int da9063_i2c_bus = 0;
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static int bus_claimed = 0;
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static int switch_i2c_bus(void)
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{
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int old_bus;
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old_bus = i2c_get_bus_num();
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if (old_bus != da9063_i2c_bus) {
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printf("i2c sw from %d\n", old_bus);
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i2c_set_bus_num(da9063_i2c_bus);
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}
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bus_claimed++;
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return old_bus;
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}
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static void revert_i2c_bus(int bus)
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{
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if (da9063_i2c_bus != bus) {
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printf("i2c sw back to %d\n", bus);
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i2c_set_bus_num(bus);
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}
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bus_claimed--;
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}
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void da9063_init(int i2c_bus)
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@ -23,47 +50,67 @@ void da9063_init(int i2c_bus)
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da9063_i2c_bus = i2c_bus;
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}
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int da9063_get_reg(int reg, u8* val)
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int da9063_claim_i2c_bus(void)
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{
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return switch_i2c_bus();
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}
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void da9063_release_i2c_bus(int bus)
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{
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revert_i2c_bus(bus);
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}
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int da9063_get_reg(uint32_t reg, u8* val)
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{
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int ret;
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int old_bus;
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u8 temp;
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/* TODO: Check whether switching is required */
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old_bus = i2c_get_bus_num();
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i2c_set_bus_num(da9063_i2c_bus);
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/* Argument check */
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if ((reg >= 0x200) || (val==0)) {
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return -1;
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}
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/* State check. Has bus been claimed */
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if (bus_claimed == 0) {
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return -2;
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}
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/* TODO: Use CONFIG_PMIC_I2C_ADDR+1 if reg > 0xFF */
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*val = 0;
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if (reg < 0x100) {
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ret = i2c_read(CONFIG_PMIC_I2C_ADDR, reg & 0xFF, 1, &temp, 1);
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ret = i2c_read(CONFIG_PMIC_I2C_ADDR+0, reg & 0xFF, 1, &temp, 1);
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} else {
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ret = i2c_read(CONFIG_PMIC_I2C_ADDR+1, reg & 0xFF, 1, &temp, 1);
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}
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if (ret == 0)
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*val = temp;
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i2c_set_bus_num(old_bus);
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return ret;
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}
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int da9063_set_reg(int reg, u8 val)
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int da9063_set_reg(uint32_t reg, u8 val)
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{
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int ret;
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int old_bus;
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/* TODO: Check whether switching is required */
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old_bus = i2c_get_bus_num();
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i2c_set_bus_num(da9063_i2c_bus);
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/* Argument check */
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if ((reg >= 0x200) || (val==0)) {
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return -1;
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}
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/* State check. Has bus been claimed */
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if (bus_claimed == 0) {
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return -2;
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}
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if (reg < 0x100) {
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ret = i2c_write(CONFIG_PMIC_I2C_ADDR+0, reg & 0xFF, 1, &val, 1);
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} else {
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ret = i2c_write(CONFIG_PMIC_I2C_ADDR+1, reg & 0xFF, 1, &val, 1);
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}
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/* TODO: Use CONFIG_PMIC_I2C_ADDR+1 if reg > 0xFF */
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ret = i2c_write(CONFIG_PMIC_I2C_ADDR, reg, 1, &val, 1);
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if (ret != 0)
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puts("da9063 write error\n");
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i2c_set_bus_num(old_bus);
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return ret;
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}
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@ -94,3 +141,24 @@ void da9063_set_gpio(unsigned bit, int state)
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}
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}
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static int do_pmic(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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uint8_t val = 0;
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int bus;
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int rc;
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bus = da9063_claim_i2c_bus();
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rc = da9063_get_reg(0x2c, &val);
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printf("%d: %02x\n", rc, val);
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da9063_release_i2c_bus(bus);
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return 0;
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}
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U_BOOT_CMD(
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pmic, 1, 1, do_pmic,
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"pmic",
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""
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);
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@ -19,25 +19,41 @@
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#define PMIC_REG_GPIO_MODE0_7 0x1D /* Control register for GPIOs 0..7 */
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#define PMIC_REG_GPIO_MODE8_15 0x1E /* Control register for GPIOs 8..15 */
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#define PMIC_REG_BCORE1_CONT 0x21 /* Control register of BCORE1 */
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#define PMIC_REG_BCORE2_CONT 0x20 /* Control register of BCORE2 */
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#define PMIC_REG_BPERI_CONT 0x25 /* Control register of BPERI */
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#define PMIC_REG_BIO_CONT 0x24 /* Control register of BIO */
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#define PMIC_REG_BMEM_CONT 0x23 /* Control register of BMEM */
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#define PMIC_REG_LDO3_CONT 0x28 /* Control register of LDO3 */
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#define PMIC_REG_LDO6_CONT 0x2B /* Control register of LDO6 */
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#define PMIC_REG_LDO7_CONT 0x2C /* Control register of LDO7 */
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#define PMIC_REG_LDO11_CONT 0x30 /* Control register of LDO11 */
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#define PMIC_LDOx_EN_MASK 0x01
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#define PMIC_LDOx_CONF_MASK 0x80
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#define PMIC_REG_BBAT_CONT 0xC5 /* Control register for backup battery */
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#define PMIC_REG_ID_4_3 0x84
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#define PMIC_REG_BUCK_ILIM_A 0x9A
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#define PMIC_REG_BUCK_ILIM_B 0x9B
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#define PMIC_REG_BUCK_ILIM_C 0x9C
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#define PMIC_REG_BBAT_CONT 0xC5 /* Control register for backup battery */
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#define PMIC_REG_CONFIG_E 0x10A
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#define PMIC_REG_CONFIG_G 0x10C
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#define PMIC_REG_CONFIG_ID 0x184 /* OTP Config ID <ver.rev> */
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extern void da9063_init(int i2c_bus);
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extern int da9063_get_reg(int reg, u8* val);
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extern int da9063_set_reg(int reg, u8 val);
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extern int da9063_claim_i2c_bus(void);
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extern void da9063_release_i2c_bus(int bus);
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extern int da9063_get_reg(uint32_t reg, u8* val);
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extern int da9063_set_reg(uint32_t reg, u8 val);
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extern void da9063_set_gpio(unsigned bit, int state);
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