u-boot/board/samsung/trats/trats.c

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/*
* Copyright (C) 2011 Samsung Electronics
* Heungjun Kim <riverful.kim@samsung.com>
* Kyungmin Park <kyungmin.park@samsung.com>
* Donghwa Lee <dh09.lee@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 <lcd.h>
#include <asm/io.h>
#include <asm/arch/cpu.h>
#include <asm/arch/gpio.h>
#include <asm/arch/mmc.h>
#include <asm/arch/pinmux.h>
#include <asm/arch/clock.h>
#include <asm/arch/clk.h>
#include <asm/arch/mipi_dsim.h>
#include <asm/arch/watchdog.h>
#include <asm/arch/power.h>
#include <power/pmic.h>
#include <usb/s3c_udc.h>
#include <power/max8997_pmic.h>
#include <libtizen.h>
#include <power/max8997_muic.h>
#include <power/battery.h>
#include <power/max17042_fg.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);
static int hwrevision(int rev)
{
return (board_rev & 0xf) == rev;
}
struct s3c_plat_otg_data s5pc210_otg_data;
int board_init(void)
{
gd->bd->bi_boot_params = CONFIG_SYS_SPL_ARGS_ADDR;
check_hw_revision();
printf("HW Revision:\t0x%x\n", board_rev);
return 0;
}
void i2c_init_board(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();
/* I2C_5 -> PMIC */
s5p_gpio_direction_output(&gpio1->b, 7, 1);
s5p_gpio_direction_output(&gpio1->b, 6, 1);
/* I2C_9 -> FG */
s5p_gpio_direction_output(&gpio2->y4, 0, 1);
s5p_gpio_direction_output(&gpio2->y4, 1, 1);
}
static void trats_low_power_mode(void)
{
struct exynos4_clock *clk =
(struct exynos4_clock *)samsung_get_base_clock();
struct exynos4_power *pwr =
(struct exynos4_power *)samsung_get_base_power();
/* Power down CORE1 */
/* LOCAL_PWR_CFG [1:0] 0x3 EN, 0x0 DIS */
writel(0x0, &pwr->arm_core1_configuration);
/* Change the APLL frequency */
/* ENABLE (1 enable) | LOCKED (1 locked) */
/* [31] | [29] */
/* FSEL | MDIV | PDIV | SDIV */
/* [27] | [25:16] | [13:8] | [2:0] */
writel(0xa0c80604, &clk->apll_con0);
/* Change CPU0 clock divider */
/* CORE2_RATIO | APLL_RATIO | PCLK_DBG_RATIO | ATB_RATIO */
/* [30:28] | [26:24] | [22:20] | [18:16] */
/* PERIPH_RATIO | COREM1_RATIO | COREM0_RATIO | CORE_RATIO */
/* [14:12] | [10:8] | [6:4] | [2:0] */
writel(0x00000100, &clk->div_cpu0);
/* CLK_DIV_STAT_CPU0 - wait until clock gets stable (0 = stable) */
while (readl(&clk->div_stat_cpu0) & 0x1111111)
continue;
/* Change clock divider ratio for DMC */
/* DMCP_RATIO | DMCD_RATIO */
/* [22:20] | [18:16] */
/* DMC_RATIO | DPHY_RATIO | ACP_PCLK_RATIO | ACP_RATIO */
/* [14:12] | [10:8] | [6:4] | [2:0] */
writel(0x13113117, &clk->div_dmc0);
/* CLK_DIV_STAT_DMC0 - wait until clock gets stable (0 = stable) */
while (readl(&clk->div_stat_dmc0) & 0x11111111)
continue;
/* Turn off unnecessary power domains */
writel(0x0, &pwr->xxti_configuration); /* XXTI */
writel(0x0, &pwr->cam_configuration); /* CAM */
writel(0x0, &pwr->tv_configuration); /* TV */
writel(0x0, &pwr->mfc_configuration); /* MFC */
writel(0x0, &pwr->g3d_configuration); /* G3D */
writel(0x0, &pwr->gps_configuration); /* GPS */
writel(0x0, &pwr->gps_alive_configuration); /* GPS_ALIVE */
/* Turn off unnecessary clocks */
writel(0x0, &clk->gate_ip_cam); /* CAM */
writel(0x0, &clk->gate_ip_tv); /* TV */
writel(0x0, &clk->gate_ip_mfc); /* MFC */
writel(0x0, &clk->gate_ip_g3d); /* G3D */
writel(0x0, &clk->gate_ip_image); /* IMAGE */
writel(0x0, &clk->gate_ip_gps); /* GPS */
}
static int pmic_init_max8997(void)
{
struct pmic *p = pmic_get("MAX8997_PMIC");
int i = 0, ret = 0;
u32 val;
if (pmic_probe(p))
return -1;
/* BUCK1 VARM: 1.2V */
val = (1200000 - 650000) / 25000;
ret |= pmic_reg_write(p, MAX8997_REG_BUCK1DVS1, val);
val = ENBUCK | ACTIVE_DISCHARGE; /* DVS OFF */
ret |= pmic_reg_write(p, MAX8997_REG_BUCK1CTRL, val);
/* BUCK2 VINT: 1.1V */
val = (1100000 - 650000) / 25000;
ret |= pmic_reg_write(p, MAX8997_REG_BUCK2DVS1, val);
val = ENBUCK | ACTIVE_DISCHARGE; /* DVS OFF */
ret |= pmic_reg_write(p, MAX8997_REG_BUCK2CTRL, val);
/* BUCK3 G3D: 1.1V - OFF */
ret |= pmic_reg_read(p, MAX8997_REG_BUCK3CTRL, &val);
val &= ~ENBUCK;
ret |= pmic_reg_write(p, MAX8997_REG_BUCK3CTRL, val);
val = (1100000 - 750000) / 50000;
ret |= pmic_reg_write(p, MAX8997_REG_BUCK3DVS, val);
/* BUCK4 CAMISP: 1.2V - OFF */
ret |= pmic_reg_read(p, MAX8997_REG_BUCK4CTRL, &val);
val &= ~ENBUCK;
ret |= pmic_reg_write(p, MAX8997_REG_BUCK4CTRL, val);
val = (1200000 - 650000) / 25000;
ret |= pmic_reg_write(p, MAX8997_REG_BUCK4DVS, val);
/* BUCK5 VMEM: 1.2V */
val = (1200000 - 650000) / 25000;
for (i = 0; i < 8; i++)
ret |= pmic_reg_write(p, MAX8997_REG_BUCK5DVS1 + i, val);
val = ENBUCK | ACTIVE_DISCHARGE; /* DVS OFF */
ret |= pmic_reg_write(p, MAX8997_REG_BUCK5CTRL, val);
/* BUCK6 CAM AF: 2.8V */
/* No Voltage Setting Register */
/* GNSLCT 3.0X */
val = GNSLCT;
ret |= pmic_reg_write(p, MAX8997_REG_BUCK6CTRL, val);
/* BUCK7 VCC_SUB: 2.0V */
val = (2000000 - 750000) / 50000;
ret |= pmic_reg_write(p, MAX8997_REG_BUCK7DVS, val);
/* LDO1 VADC: 3.3V */
val = max8997_reg_ldo(3300000) | DIS_LDO; /* OFF */
ret |= pmic_reg_write(p, MAX8997_REG_LDO1CTRL, val);
/* LDO1 Disable active discharging */
ret |= pmic_reg_read(p, MAX8997_REG_LDO1CONFIG, &val);
val &= ~LDO_ADE;
ret |= pmic_reg_write(p, MAX8997_REG_LDO1CONFIG, val);
/* LDO2 VALIVE: 1.1V */
val = max8997_reg_ldo(1100000) | EN_LDO;
ret |= pmic_reg_write(p, MAX8997_REG_LDO2CTRL, val);
/* LDO3 VUSB/MIPI: 1.1V */
val = max8997_reg_ldo(1100000) | DIS_LDO; /* OFF */
ret |= pmic_reg_write(p, MAX8997_REG_LDO3CTRL, val);
/* LDO4 VMIPI: 1.8V */
val = max8997_reg_ldo(1800000) | DIS_LDO; /* OFF */
ret |= pmic_reg_write(p, MAX8997_REG_LDO4CTRL, val);
/* LDO5 VHSIC: 1.2V */
val = max8997_reg_ldo(1200000) | DIS_LDO; /* OFF */
ret |= pmic_reg_write(p, MAX8997_REG_LDO5CTRL, val);
/* LDO6 VCC_1.8V_PDA: 1.8V */
val = max8997_reg_ldo(1800000) | EN_LDO;
ret |= pmic_reg_write(p, MAX8997_REG_LDO6CTRL, val);
/* LDO7 CAM_ISP: 1.8V */
val = max8997_reg_ldo(1800000) | DIS_LDO; /* OFF */
ret |= pmic_reg_write(p, MAX8997_REG_LDO7CTRL, val);
/* LDO8 VDAC/VUSB: 3.3V */
val = max8997_reg_ldo(3300000) | DIS_LDO; /* OFF */
ret |= pmic_reg_write(p, MAX8997_REG_LDO8CTRL, val);
/* LDO9 VCC_2.8V_PDA: 2.8V */
val = max8997_reg_ldo(2800000) | EN_LDO;
ret |= pmic_reg_write(p, MAX8997_REG_LDO9CTRL, val);
/* LDO10 VPLL: 1.1V */
val = max8997_reg_ldo(1100000) | EN_LDO;
ret |= pmic_reg_write(p, MAX8997_REG_LDO10CTRL, val);
/* LDO11 TOUCH: 2.8V */
val = max8997_reg_ldo(2800000) | DIS_LDO; /* OFF */
ret |= pmic_reg_write(p, MAX8997_REG_LDO11CTRL, val);
/* LDO12 VTCAM: 1.8V */
val = max8997_reg_ldo(1800000) | DIS_LDO; /* OFF */
ret |= pmic_reg_write(p, MAX8997_REG_LDO12CTRL, val);
/* LDO13 VCC_3.0_LCD: 3.0V */
val = max8997_reg_ldo(3000000) | DIS_LDO; /* OFF */
ret |= pmic_reg_write(p, MAX8997_REG_LDO13CTRL, val);
/* LDO14 MOTOR: 3.0V */
val = max8997_reg_ldo(3000000) | DIS_LDO; /* OFF */
ret |= pmic_reg_write(p, MAX8997_REG_LDO14CTRL, val);
/* LDO15 LED_A: 2.8V */
val = max8997_reg_ldo(2800000) | DIS_LDO; /* OFF */
ret |= pmic_reg_write(p, MAX8997_REG_LDO15CTRL, val);
/* LDO16 CAM_SENSOR: 1.8V */
val = max8997_reg_ldo(1800000) | DIS_LDO; /* OFF */
ret |= pmic_reg_write(p, MAX8997_REG_LDO16CTRL, val);
/* LDO17 VTF: 2.8V */
val = max8997_reg_ldo(2800000) | DIS_LDO; /* OFF */
ret |= pmic_reg_write(p, MAX8997_REG_LDO17CTRL, val);
/* LDO18 TOUCH_LED 3.3V */
val = max8997_reg_ldo(3300000) | DIS_LDO; /* OFF */
ret |= pmic_reg_write(p, MAX8997_REG_LDO18CTRL, val);
/* LDO21 VDDQ: 1.2V */
val = max8997_reg_ldo(1200000) | EN_LDO;
ret |= pmic_reg_write(p, MAX8997_REG_LDO21CTRL, val);
/* SAFEOUT for both 1 and 2: 4.9V, Active discharge, Enable */
val = (SAFEOUT_4_90V << 0) | (SAFEOUT_4_90V << 2) |
ACTDISSAFEO1 | ACTDISSAFEO2 | ENSAFEOUT1 | ENSAFEOUT2;
ret |= pmic_reg_write(p, MAX8997_REG_SAFEOUTCTRL, val);
if (ret) {
puts("MAX8997 PMIC setting error!\n");
return -1;
}
return 0;
}
int power_init_board(void)
{
int chrg, ret;
struct power_battery *pb;
struct pmic *p_fg, *p_chrg, *p_muic, *p_bat;
ret = pmic_init(I2C_5);
ret |= pmic_init_max8997();
ret |= power_fg_init(I2C_9);
ret |= power_muic_init(I2C_5);
ret |= power_bat_init(0);
if (ret)
return ret;
p_fg = pmic_get("MAX17042_FG");
if (!p_fg) {
puts("MAX17042_FG: Not found\n");
return -ENODEV;
}
p_chrg = pmic_get("MAX8997_PMIC");
if (!p_chrg) {
puts("MAX8997_PMIC: Not found\n");
return -ENODEV;
}
p_muic = pmic_get("MAX8997_MUIC");
if (!p_muic) {
puts("MAX8997_MUIC: Not found\n");
return -ENODEV;
}
p_bat = pmic_get("BAT_TRATS");
if (!p_bat) {
puts("BAT_TRATS: Not found\n");
return -ENODEV;
}
p_fg->parent = p_bat;
p_chrg->parent = p_bat;
p_muic->parent = p_bat;
p_bat->low_power_mode = trats_low_power_mode;
p_bat->pbat->battery_init(p_bat, p_fg, p_chrg, p_muic);
pb = p_bat->pbat;
chrg = p_muic->chrg->chrg_type(p_muic);
debug("CHARGER TYPE: %d\n", chrg);
if (!p_chrg->chrg->chrg_bat_present(p_chrg)) {
puts("No battery detected\n");
return -1;
}
p_fg->fg->fg_battery_check(p_fg, p_bat);
if (pb->bat->state == CHARGE && chrg == CHARGER_USB)
puts("CHARGE Battery !\n");
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) +
get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE) +
get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_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;
gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
gd->bd->bi_dram[3].size = PHYS_SDRAM_4_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 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);
/*
* MMC device init
* mmc0 : eMMC (8-bit buswidth)
* mmc2 : SD card (4-bit buswidth)
*/
err = exynos_pinmux_config(PERIPH_ID_SDMMC0, PINMUX_FLAG_8BIT_MODE);
if (err)
debug("SDMMC0 not configured\n");
else
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)) {
err = exynos_pinmux_config(PERIPH_ID_SDMMC2, PINMUX_FLAG_NONE);
if (err)
debug("SDMMC2 not configured\n");
else
err = s5p_mmc_init(2, 4);
}
return err;
}
#endif
#ifdef CONFIG_USB_GADGET
static int s5pc210_phy_control(int on)
{
int ret = 0;
u32 val = 0;
struct pmic *p = pmic_get("MAX8997_PMIC");
if (!p)
return -ENODEV;
if (pmic_probe(p))
return -1;
if (on) {
ret |= pmic_set_output(p, MAX8997_REG_SAFEOUTCTRL,
ENSAFEOUT1, LDO_ON);
ret |= pmic_reg_read(p, MAX8997_REG_LDO3CTRL, &val);
ret |= pmic_reg_write(p, MAX8997_REG_LDO3CTRL, EN_LDO | val);
ret |= pmic_reg_read(p, MAX8997_REG_LDO8CTRL, &val);
ret |= pmic_reg_write(p, MAX8997_REG_LDO8CTRL, EN_LDO | val);
} else {
ret |= pmic_reg_read(p, MAX8997_REG_LDO8CTRL, &val);
ret |= pmic_reg_write(p, MAX8997_REG_LDO8CTRL, DIS_LDO | val);
ret |= pmic_reg_read(p, MAX8997_REG_LDO3CTRL, &val);
ret |= pmic_reg_write(p, MAX8997_REG_LDO3CTRL, DIS_LDO | val);
ret |= pmic_set_output(p, MAX8997_REG_SAFEOUTCTRL,
ENSAFEOUT1, LDO_OFF);
}
if (ret) {
puts("MAX8997 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,
};
void board_usb_init(void)
{
debug("USB_udc_probe\n");
s3c_udc_probe(&s5pc210_otg_data);
}
#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_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);
/* It is necessary to power down core 1 */
/* to successfully boot CPU1 in kernel */
writel(0, (unsigned int)&pwr->arm_core1_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;
/*
* UART2 GPIOs
* GPA1CON[0] = UART_2_RXD(2)
* GPA1CON[1] = UART_2_TXD(2)
* GPA1CON[2] = I2C_3_SDA (3)
* GPA1CON[3] = I2C_3_SCL (3)
*/
for (i = 0; i < 4; i++) {
s5p_gpio_set_pull(&gpio1->a1, i, GPIO_PULL_NONE);
s5p_gpio_cfg_pin(&gpio1->a1, i, GPIO_FUNC((i > 1) ? 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)
{
wdt_stop();
pmic_reset();
board_clock_init();
board_uart_init();
board_power_init();
return 0;
}
static void lcd_reset(void)
{
struct exynos4_gpio_part2 *gpio2 =
(struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2();
s5p_gpio_direction_output(&gpio2->y4, 5, 1);
udelay(10000);
s5p_gpio_direction_output(&gpio2->y4, 5, 0);
udelay(10000);
s5p_gpio_direction_output(&gpio2->y4, 5, 1);
}
static int lcd_power(void)
{
int ret = 0;
struct pmic *p = pmic_get("MAX8997_PMIC");
if (!p)
return -ENODEV;
if (pmic_probe(p))
return 0;
/* LDO15 voltage: 2.2v */
ret |= pmic_reg_write(p, MAX8997_REG_LDO15CTRL, 0x1c | EN_LDO);
/* LDO13 voltage: 3.0v */
ret |= pmic_reg_write(p, MAX8997_REG_LDO13CTRL, 0x2c | EN_LDO);
if (ret) {
puts("MAX8997 LDO setting error!\n");
return -1;
}
return 0;
}
static struct mipi_dsim_config dsim_config = {
.e_interface = DSIM_VIDEO,
.e_virtual_ch = DSIM_VIRTUAL_CH_0,
.e_pixel_format = DSIM_24BPP_888,
.e_burst_mode = DSIM_BURST_SYNC_EVENT,
.e_no_data_lane = DSIM_DATA_LANE_4,
.e_byte_clk = DSIM_PLL_OUT_DIV8,
.hfp = 1,
.p = 3,
.m = 120,
.s = 1,
/* D-PHY PLL stable time spec :min = 200usec ~ max 400usec */
.pll_stable_time = 500,
/* escape clk : 10MHz */
.esc_clk = 20 * 1000000,
/* stop state holding counter after bta change count 0 ~ 0xfff */
.stop_holding_cnt = 0x7ff,
/* bta timeout 0 ~ 0xff */
.bta_timeout = 0xff,
/* lp rx timeout 0 ~ 0xffff */
.rx_timeout = 0xffff,
};
static struct exynos_platform_mipi_dsim s6e8ax0_platform_data = {
.lcd_panel_info = NULL,
.dsim_config = &dsim_config,
};
static struct mipi_dsim_lcd_device mipi_lcd_device = {
.name = "s6e8ax0",
.id = -1,
.bus_id = 0,
.platform_data = (void *)&s6e8ax0_platform_data,
};
static int mipi_power(void)
{
int ret = 0;
struct pmic *p = pmic_get("MAX8997_PMIC");
if (!p)
return -ENODEV;
if (pmic_probe(p))
return 0;
/* LDO3 voltage: 1.1v */
ret |= pmic_reg_write(p, MAX8997_REG_LDO3CTRL, 0x6 | EN_LDO);
/* LDO4 voltage: 1.8v */
ret |= pmic_reg_write(p, MAX8997_REG_LDO4CTRL, 0x14 | EN_LDO);
if (ret) {
puts("MAX8997 LDO setting error!\n");
return -1;
}
return 0;
}
vidinfo_t panel_info = {
.vl_freq = 60,
.vl_col = 720,
.vl_row = 1280,
.vl_width = 720,
.vl_height = 1280,
.vl_clkp = CONFIG_SYS_HIGH,
.vl_hsp = CONFIG_SYS_LOW,
.vl_vsp = CONFIG_SYS_LOW,
.vl_dp = CONFIG_SYS_LOW,
.vl_bpix = 5, /* Bits per pixel, 2^5 = 32 */
/* s6e8ax0 Panel infomation */
.vl_hspw = 5,
.vl_hbpd = 10,
.vl_hfpd = 10,
.vl_vspw = 2,
.vl_vbpd = 1,
.vl_vfpd = 13,
.vl_cmd_allow_len = 0xf,
.win_id = 3,
.cfg_gpio = NULL,
.backlight_on = NULL,
.lcd_power_on = NULL, /* lcd_power_on in mipi dsi driver */
.reset_lcd = lcd_reset,
.dual_lcd_enabled = 0,
.init_delay = 0,
.power_on_delay = 0,
.reset_delay = 0,
.interface_mode = FIMD_RGB_INTERFACE,
.mipi_enabled = 1,
};
void init_panel_info(vidinfo_t *vid)
{
vid->logo_on = 1,
vid->resolution = HD_RESOLUTION,
vid->rgb_mode = MODE_RGB_P,
#ifdef CONFIG_TIZEN
get_tizen_logo_info(vid);
#endif
if (hwrevision(2))
mipi_lcd_device.reverse_panel = 1;
strcpy(s6e8ax0_platform_data.lcd_panel_name, mipi_lcd_device.name);
s6e8ax0_platform_data.lcd_power = lcd_power;
s6e8ax0_platform_data.mipi_power = mipi_power;
s6e8ax0_platform_data.phy_enable = set_mipi_phy_ctrl;
s6e8ax0_platform_data.lcd_panel_info = (void *)vid;
exynos_mipi_dsi_register_lcd_device(&mipi_lcd_device);
s6e8ax0_init();
exynos_set_dsim_platform_data(&s6e8ax0_platform_data);
setenv("lcdinfo", "lcd=s6e8ax0");
}