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authorDevin Lu <Devin.Lu@quantatw.com>2021-03-19 11:07:23 +0800
committerCommit Bot <commit-bot@chromium.org>2021-03-24 00:57:37 +0000
commit01a4e861e9bd9c34e35c37a1e37a7f305f7ae9ea (patch)
tree447537b6b22d1d1a7abd4c05a4f52233cb79c9c9 /board/marzipan/switchcap.c
parentb8cee54d69416a4035e5a34be196656bf68036c5 (diff)
downloadchrome-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.c103
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);
}