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google/oak: Move external buck initialization to coreboot 

Remove the code which is passing parameters to ARMTF and move external
buck initilizaton from ARMTF to coreboot.

BRANCH=none
BUG=none
TEST=verified on Oak rev4/rev5

Change-Id: I4f4b30acbee9b42a202b326f2fe4517cb4b9d83c
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 37bec54b4d8a3bce38878e292e4821da3959026a
Original-Change-Id: Ib81709812a064f6daf13c9b4d6525f1858c81393
Original-Signed-off-by: henryc.chen <henryc.chen@mediatek.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/332343
Original-Commit-Ready: Yidi Lin <yidi.lin@mediatek.com>
Original-Tested-by: Yidi Lin <yidi.lin@mediatek.com>
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/14123
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
henryc.chen 2016-03-11 14:55:30 +08:00 committed by Martin Roth
parent 0bb292e384
commit 316ded82f5
1 changed files with 18 additions and 54 deletions
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72
src/mainboard/google/oak/mainboard.c
View File

@ -22,8 +22,9 @@
#include <elog.h>
#include <gpio.h>
#include <soc/bl31_plat_params.h>
#include <soc/da9212.h>
#include <soc/i2c.h>
#include <soc/mt6311.h>
#include <soc/mt6391.h>
#include <soc/mtcmos.h>
#include <soc/pinmux.h>
@ -31,67 +32,30 @@
#include <soc/usb.h>
#include <vendorcode/google/chromeos/chromeos.h>
static void register_da9212_to_bl31(void)
enum {
CODEC_I2C_BUS = 0,
EXT_BUCK_I2C_BUS = 1,
};
static void configure_ext_buck(void)
{
#if IS_ENABLED(CONFIG_ARM64_USE_ARM_TRUSTED_FIRMWARE)
static struct bl31_da9212_param param_da9212 = {
.h = {
.type = PARAM_CLUSTER1_DA9212,
},
.i2c_bus = 1,
.ic_en = {
.type = PARAM_GPIO_MT6391,
.polarity = PARAM_GPIO_ACTIVE_HIGH,
.index = MT6391_KP_ROW3,
},
.en_a = {
.type = PARAM_GPIO_MT6391,
.polarity = PARAM_GPIO_ACTIVE_HIGH,
.index = MT6391_KP_ROW4,
},
.en_b = {
.type = PARAM_GPIO_NONE,
},
};
if (board_id() == 2) {
param_da9212.ic_en.type = PARAM_GPIO_SOC;
param_da9212.ic_en.index = PAD_UCTS2;
}
register_bl31_param(&param_da9212.h);
mtk_i2c_bus_init(EXT_BUCK_I2C_BUS);
/* Init i2c bus Timing register for da9212 */
mtk_i2c_bus_init(param_da9212.i2c_bus);
#endif
}
static void register_mt6311_to_bl31(void)
{
#if IS_ENABLED(CONFIG_ARM64_USE_ARM_TRUSTED_FIRMWARE)
static struct bl31_mt6311_param param_mt6311 = {
.h = {
.type = PARAM_CLUSTER1_MT6311,
},
.i2c_bus = 1,
};
register_bl31_param(&param_mt6311.h);
/* Init i2c bus Timing register for mt6311 */
mtk_i2c_bus_init(param_mt6311.i2c_bus);
#endif
}
static void configure_bl31(void)
{
switch (board_id()) {
case 3:
case 4:
/* rev-3 and rev-4 use mt6311 as external buck */
register_mt6311_to_bl31();
gpio_output(PAD_EINT15, 1);
udelay(500);
mt6311_probe(EXT_BUCK_I2C_BUS);
break;
case 2:
default:
/* rev-2 and rev-5 use da9212 as external buck */
register_da9212_to_bl31();
mt6391_gpio_output(MT6391_KP_ROW3, 1); /* DA9212_IC_EN */
mt6391_gpio_output(MT6391_KP_ROW4, 1); /* DA9212_EN_A */
udelay(500); /* add 500us delay for powering on da9212 */
da9212_probe(EXT_BUCK_I2C_BUS);
break;
}
}
@ -125,7 +89,7 @@ static void configure_audio(void)
mt6391_gpio_output(MT6391_KP_COL5, 1);
/* Init i2c bus Timing register for audio codecs */
mtk_i2c_bus_init(0);
mtk_i2c_bus_init(CODEC_I2C_BUS);
/* set I2S clock to 48KHz */
mt_pll_set_aud_div(48 * KHz);
@ -197,7 +161,7 @@ static void mainboard_init(device_t dev)
configure_backlight();
configure_usb();
configure_usb_hub();
configure_bl31();
configure_ext_buck();
elog_init();
elog_add_boot_reason();