1 /* 2 * Copyright (C) 2011 Freescale Semiconductor, Inc. 3 * Jason Liu <r64343@freescale.com> 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #include <common.h> 9 #include <asm/io.h> 10 #include <asm/arch/imx-regs.h> 11 #include <asm/arch/sys_proto.h> 12 #include <asm/arch/crm_regs.h> 13 #include <asm/arch/clock.h> 14 #include <asm/arch/iomux-mx53.h> 15 #include <asm/arch/clock.h> 16 #include <asm/errno.h> 17 #include <asm/imx-common/mx5_video.h> 18 #include <netdev.h> 19 #include <i2c.h> 20 #include <mmc.h> 21 #include <fsl_esdhc.h> 22 #include <asm/gpio.h> 23 #include <power/pmic.h> 24 #include <dialog_pmic.h> 25 #include <fsl_pmic.h> 26 #include <linux/fb.h> 27 #include <ipu_pixfmt.h> 28 29 #define MX53LOCO_LCD_POWER IMX_GPIO_NR(3, 24) 30 31 DECLARE_GLOBAL_DATA_PTR; 32 33 int dram_init(void) 34 { 35 u32 size1, size2; 36 37 size1 = get_ram_size((void *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE); 38 size2 = get_ram_size((void *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE); 39 40 gd->ram_size = size1 + size2; 41 42 return 0; 43 } 44 void dram_init_banksize(void) 45 { 46 gd->bd->bi_dram[0].start = PHYS_SDRAM_1; 47 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; 48 49 gd->bd->bi_dram[1].start = PHYS_SDRAM_2; 50 gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE; 51 } 52 53 u32 get_board_rev(void) 54 { 55 struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE; 56 struct fuse_bank *bank = &iim->bank[0]; 57 struct fuse_bank0_regs *fuse = 58 (struct fuse_bank0_regs *)bank->fuse_regs; 59 60 int rev = readl(&fuse->gp[6]); 61 62 if (!i2c_probe(CONFIG_SYS_DIALOG_PMIC_I2C_ADDR)) 63 rev = 0; 64 65 return (get_cpu_rev() & ~(0xF << 8)) | (rev & 0xF) << 8; 66 } 67 68 #define UART_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \ 69 PAD_CTL_PUS_100K_UP | PAD_CTL_ODE) 70 71 static void setup_iomux_uart(void) 72 { 73 static const iomux_v3_cfg_t uart_pads[] = { 74 NEW_PAD_CTRL(MX53_PAD_CSI0_DAT11__UART1_RXD_MUX, UART_PAD_CTRL), 75 NEW_PAD_CTRL(MX53_PAD_CSI0_DAT10__UART1_TXD_MUX, UART_PAD_CTRL), 76 }; 77 78 imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads)); 79 } 80 81 #ifdef CONFIG_USB_EHCI_MX5 82 int board_ehci_hcd_init(int port) 83 { 84 /* request VBUS power enable pin, GPIO7_8 */ 85 imx_iomux_v3_setup_pad(MX53_PAD_PATA_DA_2__GPIO7_8); 86 gpio_direction_output(IMX_GPIO_NR(7, 8), 1); 87 return 0; 88 } 89 #endif 90 91 static void setup_iomux_fec(void) 92 { 93 static const iomux_v3_cfg_t fec_pads[] = { 94 NEW_PAD_CTRL(MX53_PAD_FEC_MDIO__FEC_MDIO, PAD_CTL_HYS | 95 PAD_CTL_DSE_HIGH | PAD_CTL_PUS_22K_UP | PAD_CTL_ODE), 96 NEW_PAD_CTRL(MX53_PAD_FEC_MDC__FEC_MDC, PAD_CTL_DSE_HIGH), 97 NEW_PAD_CTRL(MX53_PAD_FEC_RXD1__FEC_RDATA_1, 98 PAD_CTL_HYS | PAD_CTL_PKE), 99 NEW_PAD_CTRL(MX53_PAD_FEC_RXD0__FEC_RDATA_0, 100 PAD_CTL_HYS | PAD_CTL_PKE), 101 NEW_PAD_CTRL(MX53_PAD_FEC_TXD1__FEC_TDATA_1, PAD_CTL_DSE_HIGH), 102 NEW_PAD_CTRL(MX53_PAD_FEC_TXD0__FEC_TDATA_0, PAD_CTL_DSE_HIGH), 103 NEW_PAD_CTRL(MX53_PAD_FEC_TX_EN__FEC_TX_EN, PAD_CTL_DSE_HIGH), 104 NEW_PAD_CTRL(MX53_PAD_FEC_REF_CLK__FEC_TX_CLK, 105 PAD_CTL_HYS | PAD_CTL_PKE), 106 NEW_PAD_CTRL(MX53_PAD_FEC_RX_ER__FEC_RX_ER, 107 PAD_CTL_HYS | PAD_CTL_PKE), 108 NEW_PAD_CTRL(MX53_PAD_FEC_CRS_DV__FEC_RX_DV, 109 PAD_CTL_HYS | PAD_CTL_PKE), 110 }; 111 112 imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads)); 113 } 114 115 #ifdef CONFIG_FSL_ESDHC 116 struct fsl_esdhc_cfg esdhc_cfg[2] = { 117 {MMC_SDHC1_BASE_ADDR}, 118 {MMC_SDHC3_BASE_ADDR}, 119 }; 120 121 int board_mmc_getcd(struct mmc *mmc) 122 { 123 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; 124 int ret; 125 126 imx_iomux_v3_setup_pad(MX53_PAD_EIM_DA11__GPIO3_11); 127 gpio_direction_input(IMX_GPIO_NR(3, 11)); 128 imx_iomux_v3_setup_pad(MX53_PAD_EIM_DA13__GPIO3_13); 129 gpio_direction_input(IMX_GPIO_NR(3, 13)); 130 131 if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR) 132 ret = !gpio_get_value(IMX_GPIO_NR(3, 13)); 133 else 134 ret = !gpio_get_value(IMX_GPIO_NR(3, 11)); 135 136 return ret; 137 } 138 139 #define SD_CMD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \ 140 PAD_CTL_PUS_100K_UP) 141 #define SD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | \ 142 PAD_CTL_DSE_HIGH) 143 144 int board_mmc_init(bd_t *bis) 145 { 146 static const iomux_v3_cfg_t sd1_pads[] = { 147 NEW_PAD_CTRL(MX53_PAD_SD1_CMD__ESDHC1_CMD, SD_CMD_PAD_CTRL), 148 NEW_PAD_CTRL(MX53_PAD_SD1_CLK__ESDHC1_CLK, SD_PAD_CTRL), 149 NEW_PAD_CTRL(MX53_PAD_SD1_DATA0__ESDHC1_DAT0, SD_PAD_CTRL), 150 NEW_PAD_CTRL(MX53_PAD_SD1_DATA1__ESDHC1_DAT1, SD_PAD_CTRL), 151 NEW_PAD_CTRL(MX53_PAD_SD1_DATA2__ESDHC1_DAT2, SD_PAD_CTRL), 152 NEW_PAD_CTRL(MX53_PAD_SD1_DATA3__ESDHC1_DAT3, SD_PAD_CTRL), 153 MX53_PAD_EIM_DA13__GPIO3_13, 154 }; 155 156 static const iomux_v3_cfg_t sd2_pads[] = { 157 NEW_PAD_CTRL(MX53_PAD_PATA_RESET_B__ESDHC3_CMD, 158 SD_CMD_PAD_CTRL), 159 NEW_PAD_CTRL(MX53_PAD_PATA_IORDY__ESDHC3_CLK, SD_PAD_CTRL), 160 NEW_PAD_CTRL(MX53_PAD_PATA_DATA8__ESDHC3_DAT0, SD_PAD_CTRL), 161 NEW_PAD_CTRL(MX53_PAD_PATA_DATA9__ESDHC3_DAT1, SD_PAD_CTRL), 162 NEW_PAD_CTRL(MX53_PAD_PATA_DATA10__ESDHC3_DAT2, SD_PAD_CTRL), 163 NEW_PAD_CTRL(MX53_PAD_PATA_DATA11__ESDHC3_DAT3, SD_PAD_CTRL), 164 NEW_PAD_CTRL(MX53_PAD_PATA_DATA0__ESDHC3_DAT4, SD_PAD_CTRL), 165 NEW_PAD_CTRL(MX53_PAD_PATA_DATA1__ESDHC3_DAT5, SD_PAD_CTRL), 166 NEW_PAD_CTRL(MX53_PAD_PATA_DATA2__ESDHC3_DAT6, SD_PAD_CTRL), 167 NEW_PAD_CTRL(MX53_PAD_PATA_DATA3__ESDHC3_DAT7, SD_PAD_CTRL), 168 MX53_PAD_EIM_DA11__GPIO3_11, 169 }; 170 171 u32 index; 172 s32 status = 0; 173 174 esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); 175 esdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); 176 177 for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) { 178 switch (index) { 179 case 0: 180 imx_iomux_v3_setup_multiple_pads(sd1_pads, 181 ARRAY_SIZE(sd1_pads)); 182 break; 183 case 1: 184 imx_iomux_v3_setup_multiple_pads(sd2_pads, 185 ARRAY_SIZE(sd2_pads)); 186 break; 187 default: 188 printf("Warning: you configured more ESDHC controller" 189 "(%d) as supported by the board(2)\n", 190 CONFIG_SYS_FSL_ESDHC_NUM); 191 return status; 192 } 193 status |= fsl_esdhc_initialize(bis, &esdhc_cfg[index]); 194 } 195 196 return status; 197 } 198 #endif 199 200 #define I2C_PAD_CTRL (PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH | \ 201 PAD_CTL_PUS_100K_UP | PAD_CTL_ODE) 202 203 static void setup_iomux_i2c(void) 204 { 205 static const iomux_v3_cfg_t i2c1_pads[] = { 206 NEW_PAD_CTRL(MX53_PAD_CSI0_DAT8__I2C1_SDA, I2C_PAD_CTRL), 207 NEW_PAD_CTRL(MX53_PAD_CSI0_DAT9__I2C1_SCL, I2C_PAD_CTRL), 208 }; 209 210 imx_iomux_v3_setup_multiple_pads(i2c1_pads, ARRAY_SIZE(i2c1_pads)); 211 } 212 213 static int power_init(void) 214 { 215 unsigned int val; 216 int ret; 217 struct pmic *p; 218 219 if (!i2c_probe(CONFIG_SYS_DIALOG_PMIC_I2C_ADDR)) { 220 ret = pmic_dialog_init(I2C_PMIC); 221 if (ret) 222 return ret; 223 224 p = pmic_get("DIALOG_PMIC"); 225 if (!p) 226 return -ENODEV; 227 228 /* Set VDDA to 1.25V */ 229 val = DA9052_BUCKCORE_BCOREEN | DA_BUCKCORE_VBCORE_1_250V; 230 ret = pmic_reg_write(p, DA9053_BUCKCORE_REG, val); 231 if (ret) { 232 printf("Writing to BUCKCORE_REG failed: %d\n", ret); 233 return ret; 234 } 235 236 pmic_reg_read(p, DA9053_SUPPLY_REG, &val); 237 val |= DA9052_SUPPLY_VBCOREGO; 238 ret = pmic_reg_write(p, DA9053_SUPPLY_REG, val); 239 if (ret) { 240 printf("Writing to SUPPLY_REG failed: %d\n", ret); 241 return ret; 242 } 243 244 /* Set Vcc peripheral to 1.30V */ 245 ret = pmic_reg_write(p, DA9053_BUCKPRO_REG, 0x62); 246 if (ret) { 247 printf("Writing to BUCKPRO_REG failed: %d\n", ret); 248 return ret; 249 } 250 251 ret = pmic_reg_write(p, DA9053_SUPPLY_REG, 0x62); 252 if (ret) { 253 printf("Writing to SUPPLY_REG failed: %d\n", ret); 254 return ret; 255 } 256 257 return ret; 258 } 259 260 if (!i2c_probe(CONFIG_SYS_FSL_PMIC_I2C_ADDR)) { 261 ret = pmic_init(I2C_0); 262 if (ret) 263 return ret; 264 265 p = pmic_get("FSL_PMIC"); 266 if (!p) 267 return -ENODEV; 268 269 /* Set VDDGP to 1.25V for 1GHz on SW1 */ 270 pmic_reg_read(p, REG_SW_0, &val); 271 val = (val & ~SWx_VOLT_MASK_MC34708) | SWx_1_250V_MC34708; 272 ret = pmic_reg_write(p, REG_SW_0, val); 273 if (ret) { 274 printf("Writing to REG_SW_0 failed: %d\n", ret); 275 return ret; 276 } 277 278 /* Set VCC as 1.30V on SW2 */ 279 pmic_reg_read(p, REG_SW_1, &val); 280 val = (val & ~SWx_VOLT_MASK_MC34708) | SWx_1_300V_MC34708; 281 ret = pmic_reg_write(p, REG_SW_1, val); 282 if (ret) { 283 printf("Writing to REG_SW_1 failed: %d\n", ret); 284 return ret; 285 } 286 287 /* Set global reset timer to 4s */ 288 pmic_reg_read(p, REG_POWER_CTL2, &val); 289 val = (val & ~TIMER_MASK_MC34708) | TIMER_4S_MC34708; 290 ret = pmic_reg_write(p, REG_POWER_CTL2, val); 291 if (ret) { 292 printf("Writing to REG_POWER_CTL2 failed: %d\n", ret); 293 return ret; 294 } 295 296 /* Set VUSBSEL and VUSBEN for USB PHY supply*/ 297 pmic_reg_read(p, REG_MODE_0, &val); 298 val |= (VUSBSEL_MC34708 | VUSBEN_MC34708); 299 ret = pmic_reg_write(p, REG_MODE_0, val); 300 if (ret) { 301 printf("Writing to REG_MODE_0 failed: %d\n", ret); 302 return ret; 303 } 304 305 /* Set SWBST to 5V in auto mode */ 306 val = SWBST_AUTO; 307 ret = pmic_reg_write(p, SWBST_CTRL, val); 308 if (ret) { 309 printf("Writing to SWBST_CTRL failed: %d\n", ret); 310 return ret; 311 } 312 313 return ret; 314 } 315 316 return -1; 317 } 318 319 static void clock_1GHz(void) 320 { 321 int ret; 322 u32 ref_clk = MXC_HCLK; 323 /* 324 * After increasing voltage to 1.25V, we can switch 325 * CPU clock to 1GHz and DDR to 400MHz safely 326 */ 327 ret = mxc_set_clock(ref_clk, 1000, MXC_ARM_CLK); 328 if (ret) 329 printf("CPU: Switch CPU clock to 1GHZ failed\n"); 330 331 ret = mxc_set_clock(ref_clk, 400, MXC_PERIPH_CLK); 332 ret |= mxc_set_clock(ref_clk, 400, MXC_DDR_CLK); 333 if (ret) 334 printf("CPU: Switch DDR clock to 400MHz failed\n"); 335 } 336 337 int board_early_init_f(void) 338 { 339 setup_iomux_uart(); 340 setup_iomux_fec(); 341 setup_iomux_lcd(); 342 343 return 0; 344 } 345 346 #if defined(CONFIG_DISPLAY_CPUINFO) 347 int print_cpuinfo(void) 348 { 349 u32 cpurev; 350 351 cpurev = get_cpu_rev(); 352 printf("CPU: Freescale i.MX%x family rev%d.%d at %d MHz\n", 353 (cpurev & 0xFF000) >> 12, 354 (cpurev & 0x000F0) >> 4, 355 (cpurev & 0x0000F) >> 0, 356 mxc_get_clock(MXC_ARM_CLK) / 1000000); 357 printf("Reset cause: %s\n", get_reset_cause()); 358 return 0; 359 } 360 #endif 361 362 /* 363 * Do not overwrite the console 364 * Use always serial for U-Boot console 365 */ 366 int overwrite_console(void) 367 { 368 return 1; 369 } 370 371 int board_init(void) 372 { 373 gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; 374 375 mxc_set_sata_internal_clock(); 376 setup_iomux_i2c(); 377 378 return 0; 379 } 380 381 int board_late_init(void) 382 { 383 if (!power_init()) 384 clock_1GHz(); 385 print_cpuinfo(); 386 387 return 0; 388 } 389 390 int checkboard(void) 391 { 392 puts("Board: MX53 LOCO\n"); 393 394 return 0; 395 } 396