| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright 2014 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 <arch/mmu.h> |
| #include <boot/coreboot_tables.h> |
| #include <device/device.h> |
| #include <memrange.h> |
| #include <soc/addressmap.h> |
| #include <soc/clk_rst.h> |
| #include <soc/clock.h> |
| #include <soc/funitcfg.h> |
| #include <soc/nvidia/tegra/i2c.h> |
| #include <soc/padconfig.h> |
| |
| static const struct pad_config mmcpads[] = { |
| /* MMC4 (eMMC) */ |
| PAD_CFG_SFIO(SDMMC4_CLK, PINMUX_INPUT_ENABLE|PINMUX_PULL_DOWN, SDMMC4), |
| PAD_CFG_SFIO(SDMMC4_CMD, PINMUX_INPUT_ENABLE|PINMUX_PULL_UP, SDMMC4), |
| PAD_CFG_SFIO(SDMMC4_DAT0, PINMUX_INPUT_ENABLE|PINMUX_PULL_UP, SDMMC4), |
| PAD_CFG_SFIO(SDMMC4_DAT1, PINMUX_INPUT_ENABLE|PINMUX_PULL_UP, SDMMC4), |
| PAD_CFG_SFIO(SDMMC4_DAT2, PINMUX_INPUT_ENABLE|PINMUX_PULL_UP, SDMMC4), |
| PAD_CFG_SFIO(SDMMC4_DAT3, PINMUX_INPUT_ENABLE|PINMUX_PULL_UP, SDMMC4), |
| PAD_CFG_SFIO(SDMMC4_DAT4, PINMUX_INPUT_ENABLE|PINMUX_PULL_UP, SDMMC4), |
| PAD_CFG_SFIO(SDMMC4_DAT5, PINMUX_INPUT_ENABLE|PINMUX_PULL_UP, SDMMC4), |
| PAD_CFG_SFIO(SDMMC4_DAT6, PINMUX_INPUT_ENABLE|PINMUX_PULL_UP, SDMMC4), |
| PAD_CFG_SFIO(SDMMC4_DAT7, PINMUX_INPUT_ENABLE|PINMUX_PULL_UP, SDMMC4), |
| }; |
| |
| static const struct funit_cfg funits[] = { |
| /* MMC on SDMMC4 controller at 48MHz. */ |
| FUNIT_CFG(SDMMC4, PLLP, 48000, mmcpads, ARRAY_SIZE(mmcpads)), |
| /* I2C6 for audio, temp sensor, etc. */ |
| FUNIT_CFG(I2C6, PLLP, 400, NULL, 0), |
| FUNIT_CFG_USB(USBD), |
| }; |
| |
| static void mainboard_init(device_t dev) |
| { |
| /* PLLD should be 2 * pixel clock (301620khz). */ |
| const uint32_t req_disp_clk = 301620 * 1000 * 2; |
| uint32_t disp_clk; |
| |
| soc_configure_funits(funits, ARRAY_SIZE(funits)); |
| disp_clk = clock_display(req_disp_clk); |
| |
| if (disp_clk != req_disp_clk) |
| printk(BIOS_DEBUG, "display clock: %u vs %u (r)\n", disp_clk, |
| req_disp_clk); |
| |
| /* I2C6 bus (audio, etc.) */ |
| soc_configure_i2c6pad(); |
| i2c_init(I2C6_BUS); |
| } |
| |
| static void mainboard_enable(device_t dev) |
| { |
| dev->ops->init = &mainboard_init; |
| } |
| |
| struct chip_operations mainboard_ops = { |
| .name = "rush_ryu", |
| .enable_dev = mainboard_enable, |
| }; |