| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright 2014 Rockchip 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 <arch/cache.h> |
| #include <arch/io.h> |
| #include <console/console.h> |
| #include <delay.h> |
| #include <device/device.h> |
| #include <edid.h> |
| #include <boot/coreboot_tables.h> |
| #include <device/i2c.h> |
| #include <soc/gpio.h> |
| #include <soc/grf.h> |
| #include <soc/soc.h> |
| #include <soc/pmu.h> |
| #include <soc/clock.h> |
| #include <soc/rk808.h> |
| #include <soc/spi.h> |
| #include <soc/i2c.h> |
| #include <symbols.h> |
| #include <vbe.h> |
| |
| #include "board.h" |
| |
| static void configure_usb(void) |
| { |
| gpio_output(GPIO(0, B, 3), 1); /* HOST1_PWR_EN */ |
| gpio_output(GPIO(0, B, 4), 1); /* USBOTG_PWREN_H */ |
| |
| switch (board_id()) { |
| case 0: |
| gpio_output(GPIO(7, B, 3), 1); /* 5V_DRV */ |
| break; |
| default: |
| break; /* 5V_DRV moved to EC after rev1 */ |
| } |
| } |
| |
| static void configure_sdmmc(void) |
| { |
| writel(IOMUX_SDMMC0, &rk3288_grf->iomux_sdmmc0); |
| |
| /* use sdmmc0 io, disable JTAG function */ |
| writel(RK_CLRBITS(1 << 12), &rk3288_grf->soc_con0); |
| |
| switch (board_id()) { |
| case 0: |
| rk808_configure_ldo(PMIC_BUS, 8, 3300); /* VCCIO_SD */ |
| gpio_output(GPIO(7, C, 5), 1); /* SD_EN */ |
| break; |
| default: |
| rk808_configure_ldo(PMIC_BUS, 4, 3300); /* VCCIO_SD */ |
| rk808_configure_ldo(PMIC_BUS, 5, 3300); /* VCC33_SD */ |
| break; |
| } |
| |
| gpio_input(GPIO(7, A, 5)); /* SD_DET */ |
| } |
| |
| static void configure_emmc(void) |
| { |
| writel(IOMUX_EMMCDATA, &rk3288_grf->iomux_emmcdata); |
| writel(IOMUX_EMMCPWREN, &rk3288_grf->iomux_emmcpwren); |
| writel(IOMUX_EMMCCMD, &rk3288_grf->iomux_emmccmd); |
| |
| gpio_output(GPIO(7, B, 4), 1); /* EMMC_RST_L */ |
| } |
| |
| static void configure_codec(void) |
| { |
| writel(IOMUX_I2C2, &rk3288_grf->iomux_i2c2); /* CODEC I2C */ |
| i2c_init(2, 400000); /* CODEC I2C */ |
| |
| writel(IOMUX_I2S, &rk3288_grf->iomux_i2s); |
| writel(IOMUX_I2SCLK, &rk3288_grf->iomux_i2sclk); |
| |
| switch (board_id()) { |
| case 0: |
| rk808_configure_ldo(PMIC_BUS, 5, 1800); /* VCC18_CODEC */ |
| break; |
| default: |
| rk808_configure_ldo(PMIC_BUS, 6, 1800); /* VCC18_CODEC */ |
| break; |
| } |
| |
| /* AUDIO IO domain 1.8V voltage selection */ |
| writel(RK_SETBITS(1 << 6), &rk3288_grf->io_vsel); |
| rkclk_configure_i2s(12288000); |
| } |
| |
| static void configure_lcd(void) |
| { |
| writel(IOMUX_LCDC, &rk3288_grf->iomux_lcdc); |
| |
| switch (board_id()) { |
| case 0: |
| rk808_configure_ldo(PMIC_BUS, 4, 1800); /* VCC18_LCD */ |
| rk808_configure_ldo(PMIC_BUS, 6, 1000); /* VCC10_LCD */ |
| gpio_output(GPIO(7, B, 7), 1); /* LCD_EN */ |
| break; |
| default: |
| rk808_configure_switch(PMIC_BUS, 2, 1); /* VCC18_LCD */ |
| rk808_configure_ldo(PMIC_BUS, 7, 3300); /* VCC10_LCD_PWREN_H */ |
| rk808_configure_switch(PMIC_BUS, 1, 1); /* VCC33_LCD */ |
| break; |
| } |
| |
| gpio_output(GPIO(7, A, 0), 0); /* LCDC_BL */ |
| gpio_output(GPIO(7, A, 2), 1); /* BL_EN */ |
| } |
| |
| static void mainboard_init(device_t dev) |
| { |
| setbits_le32(&rk3288_pmu->iomux_i2c0scl, IOMUX_I2C0SCL); /* PMIC I2C */ |
| setbits_le32(&rk3288_pmu->iomux_i2c0sda, IOMUX_I2C0SDA); /* PMIC I2C */ |
| i2c_init(0, 400000); /* PMIC I2C */ |
| |
| gpio_output(GPIO_RESET, 0); |
| |
| configure_usb(); |
| configure_sdmmc(); |
| configure_emmc(); |
| configure_codec(); |
| configure_lcd(); |
| } |
| |
| static void mainboard_enable(device_t dev) |
| { |
| dev->ops->init = &mainboard_init; |
| } |
| |
| struct chip_operations mainboard_ops = { |
| .enable_dev = mainboard_enable, |
| }; |
| |
| void lb_board(struct lb_header *header) |
| { |
| struct lb_range *dma; |
| |
| dma = (struct lb_range *)lb_new_record(header); |
| dma->tag = LB_TAB_DMA; |
| dma->size = sizeof(*dma); |
| dma->range_start = (uintptr_t)_dma_coherent; |
| dma->range_size = _dma_coherent_size; |
| } |