diff options
Diffstat (limited to 'src/mainboard/google/veyron_emile')
-rw-r--r-- | src/mainboard/google/veyron_emile/Makefile.inc | 2 | ||||
-rw-r--r-- | src/mainboard/google/veyron_emile/board.h | 2 | ||||
-rw-r--r-- | src/mainboard/google/veyron_emile/bootblock.c | 2 | ||||
-rw-r--r-- | src/mainboard/google/veyron_emile/mainboard.c | 32 | ||||
-rw-r--r-- | src/mainboard/google/veyron_emile/romstage.c | 3 | ||||
-rw-r--r-- | src/mainboard/google/veyron_emile/sdmmc.c | 38 | ||||
-rw-r--r-- | src/mainboard/google/veyron_emile/sdram_inf/sdram-lpddr3-samsung-2GB.inc | 5 |
7 files changed, 70 insertions, 14 deletions
diff --git a/src/mainboard/google/veyron_emile/Makefile.inc b/src/mainboard/google/veyron_emile/Makefile.inc index ea1c6063e7..4fbb227c0d 100644 --- a/src/mainboard/google/veyron_emile/Makefile.inc +++ b/src/mainboard/google/veyron_emile/Makefile.inc @@ -28,6 +28,7 @@ verstage-y += reset.c romstage-y += boardid.c romstage-y += chromeos.c romstage-y += romstage.c +romstage-y += sdmmc.c romstage-y += sdram_configs.c romstage-y += reset.c @@ -35,6 +36,7 @@ ramstage-y += boardid.c ramstage-y += chromeos.c ramstage-y += mainboard.c ramstage-y += reset.c +ramstage-y += sdmmc.c bootblock-y += memlayout.ld verstage-y += memlayout.ld diff --git a/src/mainboard/google/veyron_emile/board.h b/src/mainboard/google/veyron_emile/board.h index dfb82582c6..4b40a45c93 100644 --- a/src/mainboard/google/veyron_emile/board.h +++ b/src/mainboard/google/veyron_emile/board.h @@ -25,6 +25,8 @@ #define GPIO_RESET GPIO(0, B, 5) +void sdmmc_power_off(void); +void sdmmc_power_on(void); void setup_chromeos_gpios(void); #endif /* __MAINBOARD_GOOGLE_VEYRON_EMILE_BOARD_H */ diff --git a/src/mainboard/google/veyron_emile/bootblock.c b/src/mainboard/google/veyron_emile/bootblock.c index 50d8ef195e..9ebb491756 100644 --- a/src/mainboard/google/veyron_emile/bootblock.c +++ b/src/mainboard/google/veyron_emile/bootblock.c @@ -48,7 +48,7 @@ void bootblock_mainboard_init(void) if (rkclk_was_watchdog_reset()) reboot_from_watchdog(); - gpio_output(GPIO(7, A, 0), 1); /* Power LED */ + gpio_output(GPIO(0, B, 3), 1); /* Power LED */ /* Up VDD_CPU (BUCK1) to 1.4V to support max CPU frequency (1.8GHz). */ setbits_le32(&rk3288_pmu->iomux_i2c0scl, IOMUX_I2C0SCL); diff --git a/src/mainboard/google/veyron_emile/mainboard.c b/src/mainboard/google/veyron_emile/mainboard.c index b668ff8b8d..3a5513b1b7 100644 --- a/src/mainboard/google/veyron_emile/mainboard.c +++ b/src/mainboard/google/veyron_emile/mainboard.c @@ -41,9 +41,27 @@ #include "board.h" +static void enable_5v_drv(void) +{ + gpio_output(GPIO(7, A, 3), 1); /* 5v_drv enable */ +} + +static void configure_sdmmc(void) +{ + write32(&rk3288_grf->iomux_sdmmc0, IOMUX_SDMMC0); + + /* use sdmmc0 io, disable JTAG function */ + write32(&rk3288_grf->soc_con0, RK_CLRBITS(1 << 12)); + + sdmmc_power_on(); + + gpio_input(GPIO(7, A, 5)); /* SDMMC_DET_L */ +} + static void configure_usb(void) { - gpio_output(GPIO(0, B, 4), 1); /* USB2_PWR_EN */ + gpio_output(GPIO(2, B, 2), 1); /* USB3_PWR_EN */ + gpio_output(GPIO(2, B, 3), 1); /* USB2_PWR_EN */ } static void configure_emmc(void) @@ -83,14 +101,16 @@ static void configure_hdmi(void) write32(&rk3288_grf->iomux_i2c5sda, IOMUX_HDMI_EDP_I2C_SDA); write32(&rk3288_grf->iomux_i2c5scl, IOMUX_HDMI_EDP_I2C_SCL); - gpio_output(GPIO(7, B, 3), 1); /* POWER_HDMI_ON */ + gpio_output(GPIO(7, A, 2), 1); /* POWER_HDMI_ON */ } static void mainboard_init(device_t dev) { gpio_output(GPIO_RESET, 0); + enable_5v_drv(); configure_usb(); + configure_sdmmc(); configure_emmc(); configure_i2s(); configure_vop(); @@ -99,14 +119,6 @@ static void mainboard_init(device_t dev) elog_init(); elog_add_watchdog_reset(); elog_add_boot_reason(); - - /* If recovery mode is detected, reduce frequency and voltage to reduce - * heat in case machine is left unattended. chrome-os-partner:41201. */ - if (recovery_mode_enabled()) { - printk(BIOS_DEBUG, "Reducing APLL freq for recovery mode.\n"); - rkclk_configure_cpu(APLL_600_MHZ); - rk808_configure_buck(1, 900); - } } static void mainboard_enable(device_t dev) diff --git a/src/mainboard/google/veyron_emile/romstage.c b/src/mainboard/google/veyron_emile/romstage.c index e946cc6414..86f339cf85 100644 --- a/src/mainboard/google/veyron_emile/romstage.c +++ b/src/mainboard/google/veyron_emile/romstage.c @@ -85,6 +85,9 @@ void main(void) configure_l2ctlr(); tsadc_init(); + /* Need to power cycle SD card to ensure it is properly reset. */ + sdmmc_power_off(); + /* vdd_log 1200mv is enough for ddr run 666Mhz */ regulate_vdd_log(1200); diff --git a/src/mainboard/google/veyron_emile/sdmmc.c b/src/mainboard/google/veyron_emile/sdmmc.c new file mode 100644 index 0000000000..3b3863836e --- /dev/null +++ b/src/mainboard/google/veyron_emile/sdmmc.c @@ -0,0 +1,38 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2015 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "board.h" + +#include <soc/rk808.h> + +static void sdmmc_power(int enable) +{ + rk808_configure_ldo(4, enable ? 3300 : 0); /* VCC33_SD_LDO */ + rk808_configure_ldo(5, enable ? 3300 : 0); /* VCCIO_SD */ +} + +void sdmmc_power_off(void) +{ + sdmmc_power(0); +} + +void sdmmc_power_on(void) +{ + sdmmc_power(1); +} diff --git a/src/mainboard/google/veyron_emile/sdram_inf/sdram-lpddr3-samsung-2GB.inc b/src/mainboard/google/veyron_emile/sdram_inf/sdram-lpddr3-samsung-2GB.inc index 0738000d83..0f15ba5074 100644 --- a/src/mainboard/google/veyron_emile/sdram_inf/sdram-lpddr3-samsung-2GB.inc +++ b/src/mainboard/google/veyron_emile/sdram_inf/sdram-lpddr3-samsung-2GB.inc @@ -65,8 +65,7 @@ .mr[0] = 0x0, .mr[1] = 0xC3, .mr[2] = 0x6, - /* 40 Ohms instead of 34.3 due to bad PCB routing on Emile. */ - .mr[3] = 0x2 + .mr[3] = 0x1 }, .noc_timing = 0x20D266A4, .noc_activate = 0x5B6, @@ -75,5 +74,5 @@ .dramtype = LPDDR3, .num_channels = 2, .stride = 9, - .odt = 1, + .odt = 0, }, |