diff options
Diffstat (limited to 'board/samsung/trats/trats.c')
| -rw-r--r-- | board/samsung/trats/trats.c | 379 |
1 files changed, 379 insertions, 0 deletions
diff --git a/board/samsung/trats/trats.c b/board/samsung/trats/trats.c new file mode 100644 index 0000000000..2925cffcfa --- /dev/null +++ b/board/samsung/trats/trats.c @@ -0,0 +1,379 @@ +/* + * Copyright (C) 2011 Samsung Electronics + * Heungjun Kim <riverful.kim@samsung.com> + * Kyungmin Park <kyungmin.park@samsung.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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; either version 2 of + * the License, or (at your option) any later version. + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/cpu.h> +#include <asm/arch/gpio.h> +#include <asm/arch/mmc.h> +#include <asm/arch/clock.h> +#include <asm/arch/watchdog.h> +#include <asm/arch/power.h> +#include <pmic.h> +#include <usb/s3c_udc.h> +#include <max8998_pmic.h> + +#include "setup.h" + +DECLARE_GLOBAL_DATA_PTR; + +unsigned int board_rev; + +#ifdef CONFIG_REVISION_TAG +u32 get_board_rev(void) +{ + return board_rev; +} +#endif + +static void check_hw_revision(void); + +int board_init(void) +{ + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + + check_hw_revision(); + printf("HW Revision:\t0x%x\n", board_rev); + +#if defined(CONFIG_PMIC) + pmic_init(); +#endif + + return 0; +} + +int dram_init(void) +{ + gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE) + + get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE); + + return 0; +} + +void dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; + gd->bd->bi_dram[1].start = PHYS_SDRAM_2; + gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE; +} + +static unsigned int get_hw_revision(void) +{ + struct exynos4_gpio_part1 *gpio = + (struct exynos4_gpio_part1 *)samsung_get_base_gpio_part1(); + int hwrev = 0; + int i; + + /* hw_rev[3:0] == GPE1[3:0] */ + for (i = 0; i < 4; i++) { + s5p_gpio_cfg_pin(&gpio->e1, i, GPIO_INPUT); + s5p_gpio_set_pull(&gpio->e1, i, GPIO_PULL_NONE); + } + + udelay(1); + + for (i = 0; i < 4; i++) + hwrev |= (s5p_gpio_get_value(&gpio->e1, i) << i); + + debug("hwrev 0x%x\n", hwrev); + + return hwrev; +} + +static void check_hw_revision(void) +{ + int hwrev; + + hwrev = get_hw_revision(); + + board_rev |= hwrev; +} + +#ifdef CONFIG_DISPLAY_BOARDINFO +int checkboard(void) +{ + puts("Board:\tTRATS\n"); + return 0; +} +#endif + +#ifdef CONFIG_GENERIC_MMC +int board_mmc_init(bd_t *bis) +{ + struct exynos4_gpio_part2 *gpio = + (struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2(); + int i, err; + + /* eMMC_EN: SD_0_CDn: GPK0[2] Output High */ + s5p_gpio_direction_output(&gpio->k0, 2, 1); + s5p_gpio_set_pull(&gpio->k0, 2, GPIO_PULL_NONE); + + /* + * eMMC GPIO: + * SDR 8-bit@48MHz at MMC0 + * GPK0[0] SD_0_CLK(2) + * GPK0[1] SD_0_CMD(2) + * GPK0[2] SD_0_CDn -> Not used + * GPK0[3:6] SD_0_DATA[0:3](2) + * GPK1[3:6] SD_0_DATA[0:3](3) + * + * DDR 4-bit@26MHz at MMC4 + * GPK0[0] SD_4_CLK(3) + * GPK0[1] SD_4_CMD(3) + * GPK0[2] SD_4_CDn -> Not used + * GPK0[3:6] SD_4_DATA[0:3](3) + * GPK1[3:6] SD_4_DATA[4:7](4) + */ + for (i = 0; i < 7; i++) { + if (i == 2) + continue; + /* GPK0[0:6] special function 2 */ + s5p_gpio_cfg_pin(&gpio->k0, i, 0x2); + /* GPK0[0:6] pull disable */ + s5p_gpio_set_pull(&gpio->k0, i, GPIO_PULL_NONE); + /* GPK0[0:6] drv 4x */ + s5p_gpio_set_drv(&gpio->k0, i, GPIO_DRV_4X); + } + + for (i = 3; i < 7; i++) { + /* GPK1[3:6] special function 3 */ + s5p_gpio_cfg_pin(&gpio->k1, i, 0x3); + /* GPK1[3:6] pull disable */ + s5p_gpio_set_pull(&gpio->k1, i, GPIO_PULL_NONE); + /* GPK1[3:6] drv 4x */ + s5p_gpio_set_drv(&gpio->k1, i, GPIO_DRV_4X); + } + + /* + * MMC device init + * mmc0 : eMMC (8-bit buswidth) + * mmc2 : SD card (4-bit buswidth) + */ + err = s5p_mmc_init(0, 8); + + /* T-flash detect */ + s5p_gpio_cfg_pin(&gpio->x3, 4, 0xf); + s5p_gpio_set_pull(&gpio->x3, 4, GPIO_PULL_UP); + + /* + * Check the T-flash detect pin + * GPX3[4] T-flash detect pin + */ + if (!s5p_gpio_get_value(&gpio->x3, 4)) { + /* + * SD card GPIO: + * GPK2[0] SD_2_CLK(2) + * GPK2[1] SD_2_CMD(2) + * GPK2[2] SD_2_CDn -> Not used + * GPK2[3:6] SD_2_DATA[0:3](2) + */ + for (i = 0; i < 7; i++) { + if (i == 2) + continue; + /* GPK2[0:6] special function 2 */ + s5p_gpio_cfg_pin(&gpio->k2, i, 0x2); + /* GPK2[0:6] pull disable */ + s5p_gpio_set_pull(&gpio->k2, i, GPIO_PULL_NONE); + /* GPK2[0:6] drv 4x */ + s5p_gpio_set_drv(&gpio->k2, i, GPIO_DRV_4X); + } + err = s5p_mmc_init(2, 4); + } + + return err; +} +#endif + +#ifdef CONFIG_USB_GADGET +static int s5pc210_phy_control(int on) +{ + int ret = 0; + struct pmic *p = get_pmic(); + + if (pmic_probe(p)) + return -1; + + if (on) { + ret |= pmic_set_output(p, + MAX8998_REG_BUCK_ACTIVE_DISCHARGE3, + MAX8998_SAFEOUT1, LDO_ON); + ret |= pmic_set_output(p, MAX8998_REG_ONOFF1, + MAX8998_LDO3, LDO_ON); + ret |= pmic_set_output(p, MAX8998_REG_ONOFF2, + MAX8998_LDO8, LDO_ON); + + } else { + ret |= pmic_set_output(p, MAX8998_REG_ONOFF2, + MAX8998_LDO8, LDO_OFF); + ret |= pmic_set_output(p, MAX8998_REG_ONOFF1, + MAX8998_LDO3, LDO_OFF); + ret |= pmic_set_output(p, + MAX8998_REG_BUCK_ACTIVE_DISCHARGE3, + MAX8998_SAFEOUT1, LDO_OFF); + } + + if (ret) { + puts("MAX8998 LDO setting error!\n"); + return -1; + } + + return 0; +} + +struct s3c_plat_otg_data s5pc210_otg_data = { + .phy_control = s5pc210_phy_control, + .regs_phy = EXYNOS4_USBPHY_BASE, + .regs_otg = EXYNOS4_USBOTG_BASE, + .usb_phy_ctrl = EXYNOS4_USBPHY_CONTROL, + .usb_flags = PHY0_SLEEP, +}; +#endif + +static void pmic_reset(void) +{ + struct exynos4_gpio_part2 *gpio = + (struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2(); + + s5p_gpio_direction_output(&gpio->x0, 7, 1); + s5p_gpio_set_pull(&gpio->x2, 7, GPIO_PULL_NONE); +} + +static void board_clock_init(void) +{ + struct exynos4_clock *clk = + (struct exynos4_clock *)samsung_get_base_clock(); + + writel(CLK_SRC_CPU_VAL, (unsigned int)&clk->src_cpu); + writel(CLK_SRC_TOP0_VAL, (unsigned int)&clk->src_top0); + writel(CLK_SRC_FSYS_VAL, (unsigned int)&clk->src_fsys); + writel(CLK_SRC_PERIL0_VAL, (unsigned int)&clk->src_peril0); + + writel(CLK_DIV_CPU0_VAL, (unsigned int)&clk->div_cpu0); + writel(CLK_DIV_CPU1_VAL, (unsigned int)&clk->div_cpu1); + writel(CLK_DIV_DMC0_VAL, (unsigned int)&clk->div_dmc0); + writel(CLK_DIV_DMC1_VAL, (unsigned int)&clk->div_dmc1); + writel(CLK_DIV_LEFTBUS_VAL, (unsigned int)&clk->div_leftbus); + writel(CLK_DIV_RIGHTBUS_VAL, (unsigned int)&clk->div_rightbus); + writel(CLK_DIV_TOP_VAL, (unsigned int)&clk->div_top); + writel(CLK_DIV_FSYS1_VAL, (unsigned int)&clk->div_fsys1); + writel(CLK_DIV_FSYS2_VAL, (unsigned int)&clk->div_fsys2); + writel(CLK_DIV_FSYS3_VAL, (unsigned int)&clk->div_fsys3); + writel(CLK_DIV_PERIL0_VAL, (unsigned int)&clk->div_peril0); + writel(CLK_DIV_PERIL3_VAL, (unsigned int)&clk->div_peril3); + + writel(PLL_LOCKTIME, (unsigned int)&clk->apll_lock); + writel(PLL_LOCKTIME, (unsigned int)&clk->mpll_lock); + writel(PLL_LOCKTIME, (unsigned int)&clk->epll_lock); + writel(PLL_LOCKTIME, (unsigned int)&clk->vpll_lock); + writel(APLL_CON1_VAL, (unsigned int)&clk->apll_con1); + writel(APLL_CON0_VAL, (unsigned int)&clk->apll_con0); + writel(MPLL_CON1_VAL, (unsigned int)&clk->mpll_con1); + writel(MPLL_CON0_VAL, (unsigned int)&clk->mpll_con0); + writel(EPLL_CON1_VAL, (unsigned int)&clk->epll_con1); + writel(EPLL_CON0_VAL, (unsigned int)&clk->epll_con0); + writel(VPLL_CON1_VAL, (unsigned int)&clk->vpll_con1); + writel(VPLL_CON0_VAL, (unsigned int)&clk->vpll_con0); + + writel(CLK_GATE_IP_CAM_VAL, (unsigned int)&clk->gate_ip_cam); + writel(CLK_GATE_IP_VP_VAL, (unsigned int)&clk->gate_ip_tv); + writel(CLK_GATE_IP_MFC_VAL, (unsigned int)&clk->gate_ip_mfc); + writel(CLK_GATE_IP_G3D_VAL, (unsigned int)&clk->gate_ip_g3d); + writel(CLK_GATE_IP_IMAGE_VAL, (unsigned int)&clk->gate_ip_image); + writel(CLK_GATE_IP_LCD0_VAL, (unsigned int)&clk->gate_ip_lcd0); + writel(CLK_GATE_IP_LCD1_VAL, (unsigned int)&clk->gate_ip_lcd1); + writel(CLK_GATE_IP_FSYS_VAL, (unsigned int)&clk->gate_ip_fsys); + writel(CLK_GATE_IP_GPS_VAL, (unsigned int)&clk->gate_ip_gps); + writel(CLK_GATE_IP_PERIL_VAL, (unsigned int)&clk->gate_ip_peril); + writel(CLK_GATE_IP_PERIR_VAL, (unsigned int)&clk->gate_ip_perir); + writel(CLK_GATE_BLOCK_VAL, (unsigned int)&clk->gate_block); +} + +static void board_watchdog_disable(void) +{ + struct exynos4_watchdog *wd = + (struct exynos4_watchdog *)samsung_get_base_watchdog(); + + writel(~(WTCON_EN | WTCON_INT), (unsigned int)&wd->wtcon); +} + +static void board_power_init(void) +{ + struct exynos4_power *pwr = + (struct exynos4_power *)samsung_get_base_power(); + + /* PS HOLD */ + writel(EXYNOS4_PS_HOLD_CON_VAL, (unsigned int)&pwr->ps_hold_control); + + /* Set power down */ + writel(0, (unsigned int)&pwr->cam_configuration); + writel(0, (unsigned int)&pwr->tv_configuration); + writel(0, (unsigned int)&pwr->mfc_configuration); + writel(0, (unsigned int)&pwr->g3d_configuration); + writel(0, (unsigned int)&pwr->lcd1_configuration); + writel(0, (unsigned int)&pwr->gps_configuration); + writel(0, (unsigned int)&pwr->gps_alive_configuration); +} + +static void board_uart_init(void) +{ + struct exynos4_gpio_part1 *gpio1 = + (struct exynos4_gpio_part1 *)samsung_get_base_gpio_part1(); + struct exynos4_gpio_part2 *gpio2 = + (struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2(); + int i; + + /* UART0-UART1 GPIOs (part1) : 0x22222222 */ + for (i = 0; i < 7; i++) { + s5p_gpio_set_pull(&gpio1->a0, i, GPIO_PULL_NONE); + s5p_gpio_cfg_pin(&gpio1->a0, i, GPIO_FUNC(0x2)); + } + + /* + * UART2-UART3 GPIOs (part2) : 0x00223322 + * GPA1CON[3] = I2C_3_SCL (3) + * GPA1CON[2] = I2C_3_SDA (3) + */ + for (i = 0; i < 5; i++) { + s5p_gpio_set_pull(&gpio1->a1, i, GPIO_PULL_NONE); + s5p_gpio_cfg_pin(&gpio1->a1, i, + GPIO_FUNC((i == 2 || i == 3) ? 0x3 : 0x2)); + } + + /* UART_SEL GPY4[7] (part2) at EXYNOS4 */ + s5p_gpio_set_pull(&gpio2->y4, 7, GPIO_PULL_UP); + s5p_gpio_direction_output(&gpio2->y4, 7, 1); +} + +int board_early_init_f(void) +{ + board_watchdog_disable(); + + pmic_reset(); + board_clock_init(); + board_uart_init(); + board_power_init(); + + return 0; +} |