board/freescale/mx53loco/mx53loco.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2011 Freescale Semiconductor, Inc.
   4  * Jason Liu <r64343@freescale.com>
   5  */
   6
   7 #include <common.h>
   8 #include <init.h>
   9 #include <log.h>
  10 #include <asm/global_data.h>
  11 #include <asm/io.h>
  12 #include <asm/arch/imx-regs.h>
  13 #include <asm/arch/sys_proto.h>
  14 #include <asm/arch/crm_regs.h>
  15 #include <asm/arch/clock.h>
  16 #include <asm/arch/iomux-mx53.h>
  17 #include <asm/arch/clock.h>
  18 #include <env.h>
  19 #include <linux/errno.h>
  20 #include <asm/mach-imx/mx5_video.h>
  21 #include <i2c.h>
  22 #include <input.h>
  23 #include <fsl_esdhc_imx.h>
  24 #include <asm/gpio.h>
  25 #include <power/pmic.h>
  26 #include <dialog_pmic.h>
  27 #include <fsl_pmic.h>
  28 #include <linux/fb.h>
  29 #include <ipu_pixfmt.h>
  30
  31 #define MX53LOCO_LCD_POWER              IMX_GPIO_NR(3, 24)
  32
  33 DECLARE_GLOBAL_DATA_PTR;
  34
  35 #ifdef CONFIG_REVISION_TAG
  36 u32 get_board_rev(void)
  37 {
  38         struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
  39         struct fuse_bank *bank = &iim->bank[0];
  40         struct fuse_bank0_regs *fuse =
  41                 (struct fuse_bank0_regs *)bank->fuse_regs;
  42
  43         int rev = readl(&fuse->gp[6]);
  44
  45         if (!i2c_probe(CONFIG_SYS_DIALOG_PMIC_I2C_ADDR))
  46                 rev = 0;
  47
  48         return (get_cpu_rev() & ~(0xF << 8)) | (rev & 0xF) << 8;
  49 }
  50 #endif
  51
  52 #define UART_PAD_CTRL   (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
  53                          PAD_CTL_PUS_100K_UP | PAD_CTL_ODE)
  54
  55 static void setup_iomux_uart(void)
  56 {
  57         static const iomux_v3_cfg_t uart_pads[] = {
  58                 NEW_PAD_CTRL(MX53_PAD_CSI0_DAT11__UART1_RXD_MUX, UART_PAD_CTRL),
  59                 NEW_PAD_CTRL(MX53_PAD_CSI0_DAT10__UART1_TXD_MUX, UART_PAD_CTRL),
  60         };
  61
  62         imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
  63 }
  64
  65 #define I2C_PAD_CTRL    (PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH | \
  66                          PAD_CTL_PUS_100K_UP | PAD_CTL_ODE)
  67
  68 static void setup_iomux_i2c(void)
  69 {
  70         static const iomux_v3_cfg_t i2c1_pads[] = {
  71                 NEW_PAD_CTRL(MX53_PAD_CSI0_DAT8__I2C1_SDA, I2C_PAD_CTRL),
  72                 NEW_PAD_CTRL(MX53_PAD_CSI0_DAT9__I2C1_SCL, I2C_PAD_CTRL),
  73         };
  74
  75         imx_iomux_v3_setup_multiple_pads(i2c1_pads, ARRAY_SIZE(i2c1_pads));
  76 }
  77
  78 static int power_init(void)
  79 {
  80         unsigned int val;
  81         int ret;
  82         struct pmic *p;
  83
  84         if (!i2c_probe(CONFIG_SYS_DIALOG_PMIC_I2C_ADDR)) {
  85                 ret = pmic_dialog_init(I2C_PMIC);
  86                 if (ret)
  87                         return ret;
  88
  89                 p = pmic_get("DIALOG_PMIC");
  90                 if (!p)
  91                         return -ENODEV;
  92
  93                 env_set("fdt_file", "imx53-qsb.dtb");
  94
  95                 /* Set VDDA to 1.25V */
  96                 val = DA9052_BUCKCORE_BCOREEN | DA_BUCKCORE_VBCORE_1_250V;
  97                 ret = pmic_reg_write(p, DA9053_BUCKCORE_REG, val);
  98                 if (ret) {
  99                         printf("Writing to BUCKCORE_REG failed: %d\n", ret);
 100                         return ret;
 101                 }
 102
 103                 pmic_reg_read(p, DA9053_SUPPLY_REG, &val);
 104                 val |= DA9052_SUPPLY_VBCOREGO;
 105                 ret = pmic_reg_write(p, DA9053_SUPPLY_REG, val);
 106                 if (ret) {
 107                         printf("Writing to SUPPLY_REG failed: %d\n", ret);
 108                         return ret;
 109                 }
 110
 111                 /* Set Vcc peripheral to 1.30V */
 112                 ret = pmic_reg_write(p, DA9053_BUCKPRO_REG, 0x62);
 113                 if (ret) {
 114                         printf("Writing to BUCKPRO_REG failed: %d\n", ret);
 115                         return ret;
 116                 }
 117
 118                 ret = pmic_reg_write(p, DA9053_SUPPLY_REG, 0x62);
 119                 if (ret) {
 120                         printf("Writing to SUPPLY_REG failed: %d\n", ret);
 121                         return ret;
 122                 }
 123
 124                 return ret;
 125         }
 126
 127         if (!i2c_probe(CONFIG_SYS_FSL_PMIC_I2C_ADDR)) {
 128                 ret = pmic_init(I2C_0);
 129                 if (ret)
 130                         return ret;
 131
 132                 p = pmic_get("FSL_PMIC");
 133                 if (!p)
 134                         return -ENODEV;
 135
 136                 env_set("fdt_file", "imx53-qsrb.dtb");
 137
 138                 /* Set VDDGP to 1.25V for 1GHz on SW1 */
 139                 pmic_reg_read(p, REG_SW_0, &val);
 140                 val = (val & ~SWx_VOLT_MASK_MC34708) | SWx_1_250V_MC34708;
 141                 ret = pmic_reg_write(p, REG_SW_0, val);
 142                 if (ret) {
 143                         printf("Writing to REG_SW_0 failed: %d\n", ret);
 144                         return ret;
 145                 }
 146
 147                 /* Set VCC as 1.30V on SW2 */
 148                 pmic_reg_read(p, REG_SW_1, &val);
 149                 val = (val & ~SWx_VOLT_MASK_MC34708) | SWx_1_300V_MC34708;
 150                 ret = pmic_reg_write(p, REG_SW_1, val);
 151                 if (ret) {
 152                         printf("Writing to REG_SW_1 failed: %d\n", ret);
 153                         return ret;
 154                 }
 155
 156                 /* Set global reset timer to 4s */
 157                 pmic_reg_read(p, REG_POWER_CTL2, &val);
 158                 val = (val & ~TIMER_MASK_MC34708) | TIMER_4S_MC34708;
 159                 ret = pmic_reg_write(p, REG_POWER_CTL2, val);
 160                 if (ret) {
 161                         printf("Writing to REG_POWER_CTL2 failed: %d\n", ret);
 162                         return ret;
 163                 }
 164
 165                 /* Set VUSBSEL and VUSBEN for USB PHY supply*/
 166                 pmic_reg_read(p, REG_MODE_0, &val);
 167                 val |= (VUSBSEL_MC34708 | VUSBEN_MC34708);
 168                 ret = pmic_reg_write(p, REG_MODE_0, val);
 169                 if (ret) {
 170                         printf("Writing to REG_MODE_0 failed: %d\n", ret);
 171                         return ret;
 172                 }
 173
 174                 /* Set SWBST to 5V in auto mode */
 175                 val = SWBST_AUTO;
 176                 ret = pmic_reg_write(p, SWBST_CTRL, val);
 177                 if (ret) {
 178                         printf("Writing to SWBST_CTRL failed: %d\n", ret);
 179                         return ret;
 180                 }
 181
 182                 return ret;
 183         }
 184
 185         return -1;
 186 }
 187
 188 static void clock_1GHz(void)
 189 {
 190         int ret;
 191         u32 ref_clk = MXC_HCLK;
 192         /*
 193          * After increasing voltage to 1.25V, we can switch
 194          * CPU clock to 1GHz and DDR to 400MHz safely
 195          */
 196         ret = mxc_set_clock(ref_clk, 1000, MXC_ARM_CLK);
 197         if (ret)
 198                 printf("CPU:   Switch CPU clock to 1GHZ failed\n");
 199
 200         ret = mxc_set_clock(ref_clk, 400, MXC_PERIPH_CLK);
 201         ret |= mxc_set_clock(ref_clk, 400, MXC_DDR_CLK);
 202         if (ret)
 203                 printf("CPU:   Switch DDR clock to 400MHz failed\n");
 204 }
 205
 206 int board_early_init_f(void)
 207 {
 208         setup_iomux_uart();
 209         setup_iomux_lcd();
 210
 211         return 0;
 212 }
 213
 214 /*
 215  * Do not overwrite the console
 216  * Use always serial for U-Boot console
 217  */
 218 int overwrite_console(void)
 219 {
 220         return 1;
 221 }
 222
 223 int board_init(void)
 224 {
 225         gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
 226
 227         mxc_set_sata_internal_clock();
 228         setup_iomux_i2c();
 229
 230         return 0;
 231 }
 232
 233 int board_late_init(void)
 234 {
 235         if (!power_init())
 236                 clock_1GHz();
 237
 238         return 0;
 239 }
 240
 241 int checkboard(void)
 242 {
 243         puts("Board: MX53 LOCO\n");
 244
 245         return 0;
 246 }