mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-20 17:08:52 +09:00
![Simon Glass](/assets/img/avatar_default.png)
With driver model GPIOs must be requested before use. Make sure this is done correctly. (Note that the soft SPI part of universal is omitted, since this driver is about to be replaced with a driver-model-aware version) Signed-off-by: Simon Glass <sjg@chromium.org>
209 lines
4.2 KiB
C
209 lines
4.2 KiB
C
/*
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* Copyright (C) 2008-2009 Samsung Electronics
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* Minkyu Kang <mk7.kang@samsung.com>
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* Kyungmin Park <kyungmin.park@samsung.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/gpio.h>
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#include <asm/arch/mmc.h>
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#include <power/pmic.h>
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#include <usb/s3c_udc.h>
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#include <asm/arch/cpu.h>
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#include <power/max8998_pmic.h>
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#include <samsung/misc.h>
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#include <usb.h>
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#include <usb_mass_storage.h>
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DECLARE_GLOBAL_DATA_PTR;
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u32 get_board_rev(void)
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{
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return 0;
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}
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int board_init(void)
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{
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/* Set Initial global variables */
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gd->bd->bi_arch_number = MACH_TYPE_GONI;
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gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
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return 0;
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}
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#ifdef CONFIG_SYS_I2C_INIT_BOARD
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void i2c_init_board(void)
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{
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gpio_request(S5PC110_GPIO_J43, "i2c_clk");
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gpio_request(S5PC110_GPIO_J40, "i2c_data");
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gpio_direction_output(S5PC110_GPIO_J43, 1);
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gpio_direction_output(S5PC110_GPIO_J40, 1);
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}
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#endif
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int power_init_board(void)
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{
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int ret;
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/*
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* For PMIC the I2C bus is named as I2C5, but it is connected
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* to logical I2C adapter 0
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*/
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ret = pmic_init(I2C_0);
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if (ret)
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return ret;
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return 0;
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}
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int dram_init(void)
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{
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gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE +
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PHYS_SDRAM_3_SIZE;
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return 0;
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}
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void dram_init_banksize(void)
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{
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gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
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gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
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gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
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gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
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gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
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gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
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}
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#ifdef CONFIG_DISPLAY_BOARDINFO
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int checkboard(void)
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{
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puts("Board:\tGoni\n");
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return 0;
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}
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#endif
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#ifdef CONFIG_GENERIC_MMC
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int board_mmc_init(bd_t *bis)
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{
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int i, ret, ret_sd = 0;
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/* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
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gpio_request(S5PC110_GPIO_J27, "massmemory_en");
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gpio_direction_output(S5PC110_GPIO_J27, 1);
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/*
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* MMC0 GPIO
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* GPG0[0] SD_0_CLK
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* GPG0[1] SD_0_CMD
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* GPG0[2] SD_0_CDn -> Not used
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* GPG0[3:6] SD_0_DATA[0:3]
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*/
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for (i = S5PC110_GPIO_G00; i < S5PC110_GPIO_G07; i++) {
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if (i == S5PC110_GPIO_G02)
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continue;
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/* GPG0[0:6] special function 2 */
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gpio_cfg_pin(i, 0x2);
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/* GPG0[0:6] pull disable */
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gpio_set_pull(i, S5P_GPIO_PULL_NONE);
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/* GPG0[0:6] drv 4x */
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gpio_set_drv(i, S5P_GPIO_DRV_4X);
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}
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ret = s5p_mmc_init(0, 4);
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if (ret)
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error("MMC: Failed to init MMC:0.\n");
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/*
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* SD card (T_FLASH) detect and init
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* T_FLASH_DETECT: EINT28: GPH3[4] input mode
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*/
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gpio_request(S5PC110_GPIO_H34, "t_flash_detect");
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gpio_cfg_pin(S5PC110_GPIO_H34, S5P_GPIO_INPUT);
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gpio_set_pull(S5PC110_GPIO_H34, S5P_GPIO_PULL_UP);
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if (!gpio_get_value(S5PC110_GPIO_H34)) {
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for (i = S5PC110_GPIO_G20; i < S5PC110_GPIO_G27; i++) {
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if (i == S5PC110_GPIO_G22)
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continue;
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/* GPG2[0:6] special function 2 */
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gpio_cfg_pin(i, 0x2);
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/* GPG2[0:6] pull disable */
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gpio_set_pull(i, S5P_GPIO_PULL_NONE);
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/* GPG2[0:6] drv 4x */
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gpio_set_drv(i, S5P_GPIO_DRV_4X);
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}
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ret_sd = s5p_mmc_init(2, 4);
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if (ret_sd)
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error("MMC: Failed to init SD card (MMC:2).\n");
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}
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return ret & ret_sd;
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}
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#endif
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#ifdef CONFIG_USB_GADGET
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static int s5pc1xx_phy_control(int on)
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{
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int ret;
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static int status;
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struct pmic *p = pmic_get("MAX8998_PMIC");
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if (!p)
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return -ENODEV;
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if (pmic_probe(p))
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return -1;
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if (on && !status) {
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ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
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MAX8998_LDO3, LDO_ON);
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ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
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MAX8998_LDO8, LDO_ON);
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if (ret) {
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puts("MAX8998 LDO setting error!\n");
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return -1;
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}
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status = 1;
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} else if (!on && status) {
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ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
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MAX8998_LDO3, LDO_OFF);
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ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
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MAX8998_LDO8, LDO_OFF);
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if (ret) {
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puts("MAX8998 LDO setting error!\n");
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return -1;
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}
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status = 0;
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}
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udelay(10000);
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return 0;
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}
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struct s3c_plat_otg_data s5pc110_otg_data = {
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.phy_control = s5pc1xx_phy_control,
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.regs_phy = S5PC110_PHY_BASE,
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.regs_otg = S5PC110_OTG_BASE,
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.usb_phy_ctrl = S5PC110_USB_PHY_CONTROL,
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};
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int board_usb_init(int index, enum usb_init_type init)
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{
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debug("USB_udc_probe\n");
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return s3c_udc_probe(&s5pc110_otg_data);
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}
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#endif
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#ifdef CONFIG_MISC_INIT_R
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int misc_init_r(void)
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{
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#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
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set_board_info();
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#endif
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return 0;
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}
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#endif
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