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https://github.com/brain-hackers/u-boot-brain
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![Lukasz Majewski](/assets/img/avatar_default.png)
This commit enables support for USB Gadgets on the GONI reference target. Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Cc: Minkyu Kang <mk7.kang@samsung.com> Cc: Remy Bohmer <linux@bohmer.net>
149 lines
3.5 KiB
C
149 lines
3.5 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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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <asm/arch/gpio.h>
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#include <asm/arch/mmc.h>
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#include <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 <max8998_pmic.h>
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DECLARE_GLOBAL_DATA_PTR;
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static struct s5pc110_gpio *s5pc110_gpio;
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int board_init(void)
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{
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/* Set Initial global variables */
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s5pc110_gpio = (struct s5pc110_gpio *)S5PC110_GPIO_BASE;
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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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#if defined(CONFIG_PMIC)
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pmic_init();
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#endif
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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;
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/* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
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s5p_gpio_direction_output(&s5pc110_gpio->j2, 7, 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 = 0; i < 7; i++) {
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if (i == 2)
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continue;
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/* GPG0[0:6] special function 2 */
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s5p_gpio_cfg_pin(&s5pc110_gpio->g0, i, 0x2);
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/* GPG0[0:6] pull disable */
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s5p_gpio_set_pull(&s5pc110_gpio->g0, i, GPIO_PULL_NONE);
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/* GPG0[0:6] drv 4x */
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s5p_gpio_set_drv(&s5pc110_gpio->g0, i, GPIO_DRV_4X);
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}
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return s5p_mmc_init(0, 4);
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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 = get_pmic();
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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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#endif
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