diff options
author | Devin Lu <Devin.Lu@quantatw.com> | 2021-03-19 11:07:23 +0800 |
---|---|---|
committer | Commit Bot <commit-bot@chromium.org> | 2021-03-24 00:57:37 +0000 |
commit | 01a4e861e9bd9c34e35c37a1e37a7f305f7ae9ea (patch) | |
tree | 447537b6b22d1d1a7abd4c05a4f52233cb79c9c9 /board/marzipan/switchcap.c | |
parent | b8cee54d69416a4035e5a34be196656bf68036c5 (diff) | |
download | chrome-ec-01a4e861e9bd9c34e35c37a1e37a7f305f7ae9ea.tar.gz |
marzipan: Configure board
1. Remove ln9310 support.
2. Remove unused board REV.
3. Add support PS8755
4. Remove USB-A support
5. Remove unused GPIOs
6. Remove SKUID definition
BUG=none
BRANCH=firmware-trogdor-13577.B-master
TEST=make BOARD=marzipan
Signed-off-by: Devin Lu <Devin.Lu@quantatw.com>
Change-Id: I8b0be5363d775d136b587bca5b0372ae94da1015
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2772407
Reviewed-by: Wai-Hong Tam <waihong@google.com>
Commit-Queue: Wai-Hong Tam <waihong@google.com>
Diffstat (limited to 'board/marzipan/switchcap.c')
-rw-r--r-- | board/marzipan/switchcap.c | 103 |
1 files changed, 3 insertions, 100 deletions
diff --git a/board/marzipan/switchcap.c b/board/marzipan/switchcap.c index 3d5255791c..3ed4bee1bb 100644 --- a/board/marzipan/switchcap.c +++ b/board/marzipan/switchcap.c @@ -6,7 +6,6 @@ #include "common.h" #include "config.h" #include "console.h" -#include "driver/ln9310.h" #include "gpio.h" #include "hooks.h" #include "i2c.h" @@ -16,113 +15,17 @@ #define CPRINTS(format, args...) cprints(CC_I2C, format, ## args) #define CPRINTF(format, args...) cprintf(CC_I2C, format, ## args) -/* LN9310 switchcap */ -const struct ln9310_config_t ln9310_config = { - .i2c_port = I2C_PORT_POWER, - .i2c_addr_flags = LN9310_I2C_ADDR_0_FLAGS, -}; - -static int board_has_ln9310(void) -{ - static int ln9310_present = -1; - int status, val; - - /* Cache the status of LN9310 present or not */ - if (ln9310_present == -1) { - status = i2c_read8(ln9310_config.i2c_port, - ln9310_config.i2c_addr_flags, - LN9310_REG_CHIP_ID, - &val); - - /* - * Any error reading LN9310 CHIP_ID over I2C means the chip - * not present. Fallback to use DA9313 switchcap. - */ - ln9310_present = !status && val == LN9310_CHIP_ID; - } - - return ln9310_present; -} - -static void switchcap_init(void) -{ - if (board_has_ln9310()) { - CPRINTS("Use switchcap: LN9310"); - - /* Configure and enable interrupt for LN9310 */ - gpio_set_flags(GPIO_SWITCHCAP_PG_INT_L, GPIO_INT_FALLING); - gpio_enable_interrupt(GPIO_SWITCHCAP_PG_INT_L); - - /* - * Configure LN9310 enable, open-drain output. Don't set the - * level here; otherwise, it will override its value and - * shutdown the switchcap when sysjump to RW. - * - * Note that the gpio.inc configures it GPIO_OUT_LOW. When - * sysjump to RW, will output push-pull a short period of - * time. As it outputs LOW, should be fine. - * - * This GPIO changes like: - * (1) EC boots from RO -> high-Z - * (2) GPIO init according to gpio.inc -> push-pull LOW - * (3) This function configures it -> open-drain HIGH - * (4) Power sequence turns on the switchcap -> open-drain LOW - * (5) EC sysjumps to RW - * (6) GPIO init according to gpio.inc -> push-pull LOW - * (7) This function configures it -> open-drain LOW - */ - gpio_set_flags(GPIO_SWITCHCAP_ON_L, - GPIO_OUTPUT | GPIO_OPEN_DRAIN); - - /* Only configure the switchcap if not sysjump */ - if (!system_jumped_late()) { - /* - * Deassert the enable pin (set it HIGH), so the - * switchcap won't be enabled after the switchcap is - * configured from standby mode to switching mode. - */ - gpio_set_level(GPIO_SWITCHCAP_ON_L, 1); - ln9310_init(); - } - } else { - CPRINTS("Use switchcap: DA9313"); - - /* - * When the chip in power down mode, it outputs high-Z. - * Set pull-down to avoid floating. - */ - gpio_set_flags(GPIO_DA9313_GPIO0, GPIO_INPUT | GPIO_PULL_DOWN); - - /* - * Configure DA9313 enable, push-pull output. Don't set the - * level here; otherwise, it will override its value and - * shutdown the switchcap when sysjump to RW. - */ - gpio_set_flags(GPIO_SWITCHCAP_ON, GPIO_OUTPUT); - } -} -DECLARE_HOOK(HOOK_INIT, switchcap_init, HOOK_PRIO_DEFAULT); - void board_set_switchcap_power(int enable) { - if (board_has_ln9310()) - gpio_set_level(GPIO_SWITCHCAP_ON_L, !enable); - else - gpio_set_level(GPIO_SWITCHCAP_ON, enable); + gpio_set_level(GPIO_SWITCHCAP_ON, enable); } int board_is_switchcap_enabled(void) { - if (board_has_ln9310()) - return !gpio_get_level(GPIO_SWITCHCAP_ON_L); - else - return gpio_get_level(GPIO_SWITCHCAP_ON); + return gpio_get_level(GPIO_SWITCHCAP_ON); } int board_is_switchcap_power_good(void) { - if (board_has_ln9310()) - return ln9310_power_good(); - else - return gpio_get_level(GPIO_DA9313_GPIO0); + return gpio_get_level(GPIO_DA9313_GPIO0); } |