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glados: Revise PMIC initialization

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- PMIC init can be called from HOOK_INIT now that this happens after the
  scheduler has started.
- There's no need to re-initialize the PMIC on sysjump

BUG=None
TEST=Verify glados boots to S0
BRANCH=None

Change-Id: I1839e1bd357759ae2800d812b27bf4e0cd7772b4
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/293012
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Shawn Nematbakhsh
2015-08-12 11:28:50 -07:00
committed by ChromeOS Commit Bot
parent f4ba3b2fa3
commit fe150a64e9
1 changed files with 7 additions and 2 deletions
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9
board/glados/board.c
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@@ -23,6 +23,7 @@
#include "power_button.h"
#include "spi.h"
#include "switch.h"
#include "system.h"
#include "task.h"
#include "temp_sensor.h"
#include "timer.h"
@@ -199,8 +200,12 @@ const struct button_config buttons[CONFIG_BUTTON_COUNT] = {
{ 0 },
};
static void pmic_init(void)
static void board_pmic_init(void)
{
/* No need to re-init PMIC since settings are sticky across sysjump */
if (system_jumped_to_this_image())
return;
/*
* Set V085ACNT / V0.85A Control Register:
* Lower power mode = 0.7V.
@@ -208,7 +213,7 @@ static void pmic_init(void)
*/
i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992, 0x38, 0x7a);
}
DECLARE_HOOK(HOOK_CHIPSET_PRE_INIT, pmic_init, HOOK_PRIO_DEFAULT);
DECLARE_HOOK(HOOK_INIT, board_pmic_init, HOOK_PRIO_DEFAULT);
/* Initialize board. */
static void board_init(void)