1 /* 2 * Copyright (C) 2015 Freescale Semiconductor, Inc. 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <asm/arch/clock.h> 8 #include <asm/arch/imx-regs.h> 9 #include <asm/arch/mx7-pins.h> 10 #include <asm/arch/sys_proto.h> 11 #include <asm/gpio.h> 12 #include <asm/mach-imx/iomux-v3.h> 13 #include <asm/io.h> 14 #include <linux/sizes.h> 15 #include <common.h> 16 #include <fsl_esdhc.h> 17 #include <mmc.h> 18 #include <miiphy.h> 19 #include <netdev.h> 20 #include <power/pmic.h> 21 #include <power/pfuze3000_pmic.h> 22 #include "../common/pfuze.h" 23 #include <i2c.h> 24 #include <asm/mach-imx/mxc_i2c.h> 25 #include <asm/arch/crm_regs.h> 26 27 DECLARE_GLOBAL_DATA_PTR; 28 29 #define UART_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | \ 30 PAD_CTL_PUS_PU100KOHM | PAD_CTL_HYS) 31 32 #define ENET_PAD_CTRL (PAD_CTL_PUS_PU100KOHM | PAD_CTL_DSE_3P3V_49OHM) 33 #define ENET_PAD_CTRL_MII (PAD_CTL_DSE_3P3V_32OHM) 34 35 #define ENET_RX_PAD_CTRL (PAD_CTL_PUS_PU100KOHM | PAD_CTL_DSE_3P3V_49OHM) 36 37 #define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_PU100KOHM | \ 38 PAD_CTL_DSE_3P3V_49OHM) 39 40 #define QSPI_PAD_CTRL \ 41 (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM) 42 43 #define NAND_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_SRE_SLOW | PAD_CTL_HYS) 44 45 #define SPI_PAD_CTRL \ 46 (PAD_CTL_HYS | PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_SRE_FAST) 47 48 #define NAND_PAD_READY0_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUS_PU5KOHM) 49 50 #ifdef CONFIG_MXC_SPI 51 static iomux_v3_cfg_t const ecspi3_pads[] = { 52 MX7D_PAD_SAI2_RX_DATA__ECSPI3_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL), 53 MX7D_PAD_SAI2_TX_SYNC__ECSPI3_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL), 54 MX7D_PAD_SAI2_TX_BCLK__ECSPI3_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL), 55 MX7D_PAD_SAI2_TX_DATA__GPIO6_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL), 56 }; 57 58 int board_spi_cs_gpio(unsigned bus, unsigned cs) 59 { 60 return (bus == 2 && cs == 0) ? (IMX_GPIO_NR(6, 22)) : -1; 61 } 62 63 static void setup_spi(void) 64 { 65 imx_iomux_v3_setup_multiple_pads(ecspi3_pads, ARRAY_SIZE(ecspi3_pads)); 66 } 67 #endif 68 69 int dram_init(void) 70 { 71 gd->ram_size = PHYS_SDRAM_SIZE; 72 73 return 0; 74 } 75 76 static iomux_v3_cfg_t const wdog_pads[] = { 77 MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL), 78 }; 79 80 static iomux_v3_cfg_t const uart1_pads[] = { 81 MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), 82 MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), 83 }; 84 85 #ifdef CONFIG_NAND_MXS 86 static iomux_v3_cfg_t const gpmi_pads[] = { 87 MX7D_PAD_SD3_DATA0__NAND_DATA00 | MUX_PAD_CTRL(NAND_PAD_CTRL), 88 MX7D_PAD_SD3_DATA1__NAND_DATA01 | MUX_PAD_CTRL(NAND_PAD_CTRL), 89 MX7D_PAD_SD3_DATA2__NAND_DATA02 | MUX_PAD_CTRL(NAND_PAD_CTRL), 90 MX7D_PAD_SD3_DATA3__NAND_DATA03 | MUX_PAD_CTRL(NAND_PAD_CTRL), 91 MX7D_PAD_SD3_DATA4__NAND_DATA04 | MUX_PAD_CTRL(NAND_PAD_CTRL), 92 MX7D_PAD_SD3_DATA5__NAND_DATA05 | MUX_PAD_CTRL(NAND_PAD_CTRL), 93 MX7D_PAD_SD3_DATA6__NAND_DATA06 | MUX_PAD_CTRL(NAND_PAD_CTRL), 94 MX7D_PAD_SD3_DATA7__NAND_DATA07 | MUX_PAD_CTRL(NAND_PAD_CTRL), 95 MX7D_PAD_SD3_CLK__NAND_CLE | MUX_PAD_CTRL(NAND_PAD_CTRL), 96 MX7D_PAD_SD3_CMD__NAND_ALE | MUX_PAD_CTRL(NAND_PAD_CTRL), 97 MX7D_PAD_SD3_STROBE__NAND_RE_B | MUX_PAD_CTRL(NAND_PAD_CTRL), 98 MX7D_PAD_SD3_RESET_B__NAND_WE_B | MUX_PAD_CTRL(NAND_PAD_CTRL), 99 MX7D_PAD_SAI1_MCLK__NAND_WP_B | MUX_PAD_CTRL(NAND_PAD_CTRL), 100 MX7D_PAD_SAI1_RX_BCLK__NAND_CE3_B | MUX_PAD_CTRL(NAND_PAD_CTRL), 101 MX7D_PAD_SAI1_RX_SYNC__NAND_CE2_B | MUX_PAD_CTRL(NAND_PAD_CTRL), 102 MX7D_PAD_SAI1_RX_DATA__NAND_CE1_B | MUX_PAD_CTRL(NAND_PAD_CTRL), 103 MX7D_PAD_SAI1_TX_BCLK__NAND_CE0_B | MUX_PAD_CTRL(NAND_PAD_CTRL), 104 MX7D_PAD_SAI1_TX_SYNC__NAND_DQS | MUX_PAD_CTRL(NAND_PAD_CTRL), 105 MX7D_PAD_SAI1_TX_DATA__NAND_READY_B | MUX_PAD_CTRL(NAND_PAD_READY0_CTRL), 106 }; 107 108 static void setup_gpmi_nand(void) 109 { 110 imx_iomux_v3_setup_multiple_pads(gpmi_pads, ARRAY_SIZE(gpmi_pads)); 111 112 /* NAND_USDHC_BUS_CLK is set in rom */ 113 set_clk_nand(); 114 } 115 #endif 116 117 #ifdef CONFIG_VIDEO_MXS 118 static iomux_v3_cfg_t const lcd_pads[] = { 119 MX7D_PAD_LCD_CLK__LCD_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL), 120 MX7D_PAD_LCD_ENABLE__LCD_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL), 121 MX7D_PAD_LCD_HSYNC__LCD_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL), 122 MX7D_PAD_LCD_VSYNC__LCD_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL), 123 MX7D_PAD_LCD_DATA00__LCD_DATA0 | MUX_PAD_CTRL(LCD_PAD_CTRL), 124 MX7D_PAD_LCD_DATA01__LCD_DATA1 | MUX_PAD_CTRL(LCD_PAD_CTRL), 125 MX7D_PAD_LCD_DATA02__LCD_DATA2 | MUX_PAD_CTRL(LCD_PAD_CTRL), 126 MX7D_PAD_LCD_DATA03__LCD_DATA3 | MUX_PAD_CTRL(LCD_PAD_CTRL), 127 MX7D_PAD_LCD_DATA04__LCD_DATA4 | MUX_PAD_CTRL(LCD_PAD_CTRL), 128 MX7D_PAD_LCD_DATA05__LCD_DATA5 | MUX_PAD_CTRL(LCD_PAD_CTRL), 129 MX7D_PAD_LCD_DATA06__LCD_DATA6 | MUX_PAD_CTRL(LCD_PAD_CTRL), 130 MX7D_PAD_LCD_DATA07__LCD_DATA7 | MUX_PAD_CTRL(LCD_PAD_CTRL), 131 MX7D_PAD_LCD_DATA08__LCD_DATA8 | MUX_PAD_CTRL(LCD_PAD_CTRL), 132 MX7D_PAD_LCD_DATA09__LCD_DATA9 | MUX_PAD_CTRL(LCD_PAD_CTRL), 133 MX7D_PAD_LCD_DATA10__LCD_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL), 134 MX7D_PAD_LCD_DATA11__LCD_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL), 135 MX7D_PAD_LCD_DATA12__LCD_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL), 136 MX7D_PAD_LCD_DATA13__LCD_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL), 137 MX7D_PAD_LCD_DATA14__LCD_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL), 138 MX7D_PAD_LCD_DATA15__LCD_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL), 139 MX7D_PAD_LCD_DATA16__LCD_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL), 140 MX7D_PAD_LCD_DATA17__LCD_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL), 141 MX7D_PAD_LCD_DATA18__LCD_DATA18 | MUX_PAD_CTRL(LCD_PAD_CTRL), 142 MX7D_PAD_LCD_DATA19__LCD_DATA19 | MUX_PAD_CTRL(LCD_PAD_CTRL), 143 MX7D_PAD_LCD_DATA20__LCD_DATA20 | MUX_PAD_CTRL(LCD_PAD_CTRL), 144 MX7D_PAD_LCD_DATA21__LCD_DATA21 | MUX_PAD_CTRL(LCD_PAD_CTRL), 145 MX7D_PAD_LCD_DATA22__LCD_DATA22 | MUX_PAD_CTRL(LCD_PAD_CTRL), 146 MX7D_PAD_LCD_DATA23__LCD_DATA23 | MUX_PAD_CTRL(LCD_PAD_CTRL), 147 148 MX7D_PAD_LCD_RESET__GPIO3_IO4 | MUX_PAD_CTRL(LCD_PAD_CTRL), 149 }; 150 151 static iomux_v3_cfg_t const pwm_pads[] = { 152 /* Use GPIO for Brightness adjustment, duty cycle = period */ 153 MX7D_PAD_GPIO1_IO01__GPIO1_IO1 | MUX_PAD_CTRL(NO_PAD_CTRL), 154 }; 155 156 static int setup_lcd(void) 157 { 158 imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads)); 159 160 imx_iomux_v3_setup_multiple_pads(pwm_pads, ARRAY_SIZE(pwm_pads)); 161 162 /* Reset LCD */ 163 gpio_request(IMX_GPIO_NR(3, 4), "lcd reset"); 164 gpio_direction_output(IMX_GPIO_NR(3, 4) , 0); 165 udelay(500); 166 gpio_direction_output(IMX_GPIO_NR(3, 4) , 1); 167 168 /* Set Brightness to high */ 169 gpio_request(IMX_GPIO_NR(1, 1), "lcd backlight"); 170 gpio_direction_output(IMX_GPIO_NR(1, 1) , 1); 171 172 return 0; 173 } 174 #endif 175 176 #ifdef CONFIG_FEC_MXC 177 static iomux_v3_cfg_t const fec1_pads[] = { 178 MX7D_PAD_ENET1_RGMII_RX_CTL__ENET1_RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), 179 MX7D_PAD_ENET1_RGMII_RD0__ENET1_RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), 180 MX7D_PAD_ENET1_RGMII_RD1__ENET1_RGMII_RD1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), 181 MX7D_PAD_ENET1_RGMII_RD2__ENET1_RGMII_RD2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), 182 MX7D_PAD_ENET1_RGMII_RD3__ENET1_RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), 183 MX7D_PAD_ENET1_RGMII_RXC__ENET1_RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), 184 MX7D_PAD_ENET1_RGMII_TX_CTL__ENET1_RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), 185 MX7D_PAD_ENET1_RGMII_TD0__ENET1_RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), 186 MX7D_PAD_ENET1_RGMII_TD1__ENET1_RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), 187 MX7D_PAD_ENET1_RGMII_TD2__ENET1_RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), 188 MX7D_PAD_ENET1_RGMII_TD3__ENET1_RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), 189 MX7D_PAD_ENET1_RGMII_TXC__ENET1_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), 190 MX7D_PAD_GPIO1_IO10__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL_MII), 191 MX7D_PAD_GPIO1_IO11__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL_MII), 192 }; 193 194 static void setup_iomux_fec(void) 195 { 196 imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads)); 197 } 198 #endif 199 200 static void setup_iomux_uart(void) 201 { 202 imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); 203 } 204 205 int board_mmc_get_env_dev(int devno) 206 { 207 if (devno == 2) 208 devno--; 209 210 return devno; 211 } 212 213 int mmc_map_to_kernel_blk(int dev_no) 214 { 215 if (dev_no == 1) 216 dev_no++; 217 218 return dev_no; 219 } 220 221 #ifdef CONFIG_FEC_MXC 222 int board_eth_init(bd_t *bis) 223 { 224 int ret; 225 unsigned int gpio; 226 227 ret = gpio_lookup_name("gpio_spi@0_5", NULL, NULL, &gpio); 228 if (ret) { 229 printf("GPIO: 'gpio_spi@0_5' not found\n"); 230 return -ENODEV; 231 } 232 233 ret = gpio_request(gpio, "fec_rst"); 234 if (ret && ret != -EBUSY) { 235 printf("gpio: requesting pin %u failed\n", gpio); 236 return ret; 237 } 238 239 gpio_direction_output(gpio, 0); 240 udelay(500); 241 gpio_direction_output(gpio, 1); 242 243 setup_iomux_fec(); 244 245 ret = fecmxc_initialize_multi(bis, 0, 246 CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE); 247 if (ret) 248 printf("FEC1 MXC: %s:failed\n", __func__); 249 250 return ret; 251 } 252 253 static int setup_fec(void) 254 { 255 struct iomuxc_gpr_base_regs *const iomuxc_gpr_regs 256 = (struct iomuxc_gpr_base_regs *) IOMUXC_GPR_BASE_ADDR; 257 258 /* Use 125M anatop REF_CLK1 for ENET1, clear gpr1[13], gpr1[17]*/ 259 clrsetbits_le32(&iomuxc_gpr_regs->gpr[1], 260 (IOMUXC_GPR_GPR1_GPR_ENET1_TX_CLK_SEL_MASK | 261 IOMUXC_GPR_GPR1_GPR_ENET1_CLK_DIR_MASK), 0); 262 263 return set_clk_enet(ENET_125MHZ); 264 } 265 266 267 int board_phy_config(struct phy_device *phydev) 268 { 269 /* enable rgmii rxc skew and phy mode select to RGMII copper */ 270 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x21); 271 phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x7ea8); 272 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x2f); 273 phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x71b7); 274 275 if (phydev->drv->config) 276 phydev->drv->config(phydev); 277 return 0; 278 } 279 #endif 280 281 #ifdef CONFIG_FSL_QSPI 282 static iomux_v3_cfg_t const quadspi_pads[] = { 283 MX7D_PAD_EPDC_DATA00__QSPI_A_DATA0 | MUX_PAD_CTRL(QSPI_PAD_CTRL), 284 MX7D_PAD_EPDC_DATA01__QSPI_A_DATA1 | MUX_PAD_CTRL(QSPI_PAD_CTRL), 285 MX7D_PAD_EPDC_DATA02__QSPI_A_DATA2 | MUX_PAD_CTRL(QSPI_PAD_CTRL), 286 MX7D_PAD_EPDC_DATA03__QSPI_A_DATA3 | MUX_PAD_CTRL(QSPI_PAD_CTRL), 287 MX7D_PAD_EPDC_DATA05__QSPI_A_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL), 288 MX7D_PAD_EPDC_DATA06__QSPI_A_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL), 289 }; 290 291 int board_qspi_init(void) 292 { 293 /* Set the iomux */ 294 imx_iomux_v3_setup_multiple_pads(quadspi_pads, 295 ARRAY_SIZE(quadspi_pads)); 296 297 /* Set the clock */ 298 set_clk_qspi(); 299 300 return 0; 301 } 302 #endif 303 304 int board_early_init_f(void) 305 { 306 setup_iomux_uart(); 307 308 return 0; 309 } 310 311 int board_init(void) 312 { 313 /* address of boot parameters */ 314 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; 315 316 #ifdef CONFIG_FEC_MXC 317 setup_fec(); 318 #endif 319 320 #ifdef CONFIG_NAND_MXS 321 setup_gpmi_nand(); 322 #endif 323 324 #ifdef CONFIG_VIDEO_MXS 325 setup_lcd(); 326 #endif 327 328 #ifdef CONFIG_FSL_QSPI 329 board_qspi_init(); 330 #endif 331 332 #ifdef CONFIG_MXC_SPI 333 setup_spi(); 334 #endif 335 336 return 0; 337 } 338 339 #ifdef CONFIG_DM_PMIC 340 int power_init_board(void) 341 { 342 struct udevice *dev; 343 int ret, dev_id, rev_id; 344 345 ret = pmic_get("pfuze3000", &dev); 346 if (ret == -ENODEV) 347 return 0; 348 if (ret != 0) 349 return ret; 350 351 dev_id = pmic_reg_read(dev, PFUZE3000_DEVICEID); 352 rev_id = pmic_reg_read(dev, PFUZE3000_REVID); 353 printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id); 354 355 pmic_clrsetbits(dev, PFUZE3000_LDOGCTL, 0, 1); 356 357 /* 358 * Set the voltage of VLDO4 output to 2.8V which feeds 359 * the MIPI DSI and MIPI CSI inputs. 360 */ 361 pmic_clrsetbits(dev, PFUZE3000_VLD4CTL, 0xF, 0xA); 362 363 return 0; 364 } 365 #endif 366 367 int board_late_init(void) 368 { 369 struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR; 370 371 imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads)); 372 373 set_wdog_reset(wdog); 374 375 /* 376 * Do not assert internal WDOG_RESET_B_DEB(controlled by bit 4), 377 * since we use PMIC_PWRON to reset the board. 378 */ 379 clrsetbits_le16(&wdog->wcr, 0, 0x10); 380 381 return 0; 382 } 383 384 int checkboard(void) 385 { 386 char *mode; 387 388 if (IS_ENABLED(CONFIG_ARMV7_BOOT_SEC_DEFAULT)) 389 mode = "secure"; 390 else 391 mode = "non-secure"; 392 393 printf("Board: i.MX7D SABRESD in %s mode\n", mode); 394 395 return 0; 396 } 397