// 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(CONFIG_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(CONFIG_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(CONFIG_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; }