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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2011 Freescale Semiconductor, Inc.
* Jason Liu <r64343@freescale.com>
*/
#include <common.h>
#include <init.h>
#include <log.h>
#include <asm/global_data.h>
#include <asm/io.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/crm_regs.h>
#include <asm/arch/clock.h>
#include <asm/arch/iomux-mx53.h>
#include <asm/arch/clock.h>
#include <env.h>
#include <linux/errno.h>
#include <asm/mach-imx/mx5_video.h>
#include <i2c.h>
#include <input.h>
#include <fsl_esdhc_imx.h>
#include <asm/gpio.h>
#include <power/pmic.h>
#include <dialog_pmic.h>
#include <fsl_pmic.h>
#include <linux/fb.h>
#include <ipu_pixfmt.h>
#define MX53LOCO_LCD_POWER IMX_GPIO_NR(3, 24)
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_REVISION_TAG
u32 get_board_rev(void)
{
struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
struct fuse_bank *bank = &iim->bank[0];
struct fuse_bank0_regs *fuse =
(struct fuse_bank0_regs *)bank->fuse_regs;
int rev = readl(&fuse->gp[6]);
if (!i2c_probe(CFG_SYS_DIALOG_PMIC_I2C_ADDR))
rev = 0;
return (get_cpu_rev() & ~(0xF << 8)) | (rev & 0xF) << 8;
}
#endif
#define UART_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
PAD_CTL_PUS_100K_UP | PAD_CTL_ODE)
static void setup_iomux_uart(void)
{
static const iomux_v3_cfg_t uart_pads[] = {
NEW_PAD_CTRL(MX53_PAD_CSI0_DAT11__UART1_RXD_MUX, UART_PAD_CTRL),
NEW_PAD_CTRL(MX53_PAD_CSI0_DAT10__UART1_TXD_MUX, UART_PAD_CTRL),
};
imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
}
#define I2C_PAD_CTRL (PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH | \
PAD_CTL_PUS_100K_UP | PAD_CTL_ODE)
static void setup_iomux_i2c(void)
{
static const iomux_v3_cfg_t i2c1_pads[] = {
NEW_PAD_CTRL(MX53_PAD_CSI0_DAT8__I2C1_SDA, I2C_PAD_CTRL),
NEW_PAD_CTRL(MX53_PAD_CSI0_DAT9__I2C1_SCL, I2C_PAD_CTRL),
};
imx_iomux_v3_setup_multiple_pads(i2c1_pads, ARRAY_SIZE(i2c1_pads));
}
static int power_init(void)
{
unsigned int val;
int ret;
struct pmic *p;
if (!i2c_probe(CFG_SYS_DIALOG_PMIC_I2C_ADDR)) {
ret = pmic_dialog_init(I2C_PMIC);
if (ret)
return ret;
p = pmic_get("DIALOG_PMIC");
if (!p)
return -ENODEV;
env_set("fdt_file", "imx53-qsb.dtb");
/* Set VDDA to 1.25V */
val = DA9052_BUCKCORE_BCOREEN | DA_BUCKCORE_VBCORE_1_250V;
ret = pmic_reg_write(p, DA9053_BUCKCORE_REG, val);
if (ret) {
printf("Writing to BUCKCORE_REG failed: %d\n", ret);
return ret;
}
pmic_reg_read(p, DA9053_SUPPLY_REG, &val);
val |= DA9052_SUPPLY_VBCOREGO;
ret = pmic_reg_write(p, DA9053_SUPPLY_REG, val);
if (ret) {
printf("Writing to SUPPLY_REG failed: %d\n", ret);
return ret;
}
/* Set Vcc peripheral to 1.30V */
ret = pmic_reg_write(p, DA9053_BUCKPRO_REG, 0x62);
if (ret) {
printf("Writing to BUCKPRO_REG failed: %d\n", ret);
return ret;
}
ret = pmic_reg_write(p, DA9053_SUPPLY_REG, 0x62);
if (ret) {
printf("Writing to SUPPLY_REG failed: %d\n", ret);
return ret;
}
return ret;
}
if (!i2c_probe(CFG_SYS_FSL_PMIC_I2C_ADDR)) {
ret = pmic_init(I2C_0);
if (ret)
return ret;
p = pmic_get("FSL_PMIC");
if (!p)
return -ENODEV;
env_set("fdt_file", "imx53-qsrb.dtb");
/* Set VDDGP to 1.25V for 1GHz on SW1 */
pmic_reg_read(p, REG_SW_0, &val);
val = (val & ~SWx_VOLT_MASK_MC34708) | SWx_1_250V_MC34708;
ret = pmic_reg_write(p, REG_SW_0, val);
if (ret) {
printf("Writing to REG_SW_0 failed: %d\n", ret);
return ret;
}
/* Set VCC as 1.30V on SW2 */
pmic_reg_read(p, REG_SW_1, &val);
val = (val & ~SWx_VOLT_MASK_MC34708) | SWx_1_300V_MC34708;
ret = pmic_reg_write(p, REG_SW_1, val);
if (ret) {
printf("Writing to REG_SW_1 failed: %d\n", ret);
return ret;
}
/* Set global reset timer to 4s */
pmic_reg_read(p, REG_POWER_CTL2, &val);
val = (val & ~TIMER_MASK_MC34708) | TIMER_4S_MC34708;
ret = pmic_reg_write(p, REG_POWER_CTL2, val);
if (ret) {
printf("Writing to REG_POWER_CTL2 failed: %d\n", ret);
return ret;
}
/* Set VUSBSEL and VUSBEN for USB PHY supply*/
pmic_reg_read(p, REG_MODE_0, &val);
val |= (VUSBSEL_MC34708 | VUSBEN_MC34708);
ret = pmic_reg_write(p, REG_MODE_0, val);
if (ret) {
printf("Writing to REG_MODE_0 failed: %d\n", ret);
return ret;
}
/* Set SWBST to 5V in auto mode */
val = SWBST_AUTO;
ret = pmic_reg_write(p, SWBST_CTRL, val);
if (ret) {
printf("Writing to SWBST_CTRL failed: %d\n", ret);
return ret;
}
return ret;
}
return -1;
}
static void clock_1GHz(void)
{
int ret;
u32 ref_clk = MXC_HCLK;
/*
* After increasing voltage to 1.25V, we can switch
* CPU clock to 1GHz and DDR to 400MHz safely
*/
ret = mxc_set_clock(ref_clk, 1000, MXC_ARM_CLK);
if (ret)
printf("CPU: Switch CPU clock to 1GHZ failed\n");
ret = mxc_set_clock(ref_clk, 400, MXC_PERIPH_CLK);
ret |= mxc_set_clock(ref_clk, 400, MXC_DDR_CLK);
if (ret)
printf("CPU: Switch DDR clock to 400MHz failed\n");
}
int board_early_init_f(void)
{
setup_iomux_uart();
setup_iomux_lcd();
return 0;
}
/*
* Do not overwrite the console
* Use always serial for U-Boot console
*/
int overwrite_console(void)
{
return 1;
}
int board_init(void)
{
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
mxc_set_sata_internal_clock();
setup_iomux_i2c();
return 0;
}
int board_late_init(void)
{
if (!power_init())
clock_1GHz();
return 0;
}
int checkboard(void)
{
puts("Board: MX53 LOCO\n");
return 0;
}
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