diff options
Diffstat (limited to 'src/mainboard/google/oak/bootblock.c')
| -rw-r--r-- | src/mainboard/google/oak/bootblock.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/mainboard/google/oak/bootblock.c b/src/mainboard/google/oak/bootblock.c index 3d7855149f..efb489fb15 100644 --- a/src/mainboard/google/oak/bootblock.c +++ b/src/mainboard/google/oak/bootblock.c @@ -33,6 +33,34 @@ static void i2c_set_gpio_pinmux(void) gpio_set_mode(PAD_SCL4, PAD_SCL4_FUNC_SCL4); } +static void nor_set_gpio_pinmux(void) +{ + /* Set driving strength of EINT4~EINT9 to 8mA + * 0: 2mA + * 1: 4mA + * 2: 8mA + * 3: 16mA + */ + /* EINT4: 0x10005B20[14:13] */ + clrsetbits_le16(&mt8173_gpio->drv_mode[2].val, 0xf << 12, 2 << 13); + /* EINT5~EINT9: 0x10005B30[2:1] */ + clrsetbits_le16(&mt8173_gpio->drv_mode[3].val, 0xf << 0, 2 << 1), + + gpio_set_pull(PAD_EINT4, GPIO_PULL_ENABLE, GPIO_PULL_UP); + gpio_set_pull(PAD_EINT5, GPIO_PULL_ENABLE, GPIO_PULL_UP); + gpio_set_pull(PAD_EINT6, GPIO_PULL_ENABLE, GPIO_PULL_UP); + gpio_set_pull(PAD_EINT7, GPIO_PULL_ENABLE, GPIO_PULL_UP); + gpio_set_pull(PAD_EINT8, GPIO_PULL_ENABLE, GPIO_PULL_UP); + gpio_set_pull(PAD_EINT9, GPIO_PULL_ENABLE, GPIO_PULL_UP); + + gpio_set_mode(PAD_EINT4, PAD_EINT4_FUNC_SFWP_B); + gpio_set_mode(PAD_EINT5, PAD_EINT5_FUNC_SFOUT); + gpio_set_mode(PAD_EINT6, PAD_EINT6_FUNC_SFCS0); + gpio_set_mode(PAD_EINT7, PAD_EINT7_FUNC_SFHOLD); + gpio_set_mode(PAD_EINT8, PAD_EINT8_FUNC_SFIN); + gpio_set_mode(PAD_EINT9, PAD_EINT9_FUNC_SFCK); +} + void bootblock_mainboard_early_init(void) { /* Clear UART0 power down signal */ @@ -47,6 +75,9 @@ void bootblock_mainboard_init(void) /* set i2c related gpio */ i2c_set_gpio_pinmux(); + /* set nor related GPIO */ + nor_set_gpio_pinmux(); + mtk_spi_init(CONFIG_EC_GOOGLE_CHROMEEC_SPI_BUS, SPI_PAD1_MASK, 6*MHz); setup_chromeos_gpios(); |