1 /* 2 * Copyright (C) 2012 Freescale Semiconductor, Inc. 3 * 4 * Author: Fabio Estevam <fabio.estevam@freescale.com> 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 */ 8 9 #include <asm/arch/clock.h> 10 #include <asm/arch/imx-regs.h> 11 #include <asm/arch/iomux.h> 12 #include <asm/arch/mx6-pins.h> 13 #include <asm/errno.h> 14 #include <asm/gpio.h> 15 #include <asm/imx-common/mxc_i2c.h> 16 #include <asm/imx-common/iomux-v3.h> 17 #include <asm/imx-common/boot_mode.h> 18 #include <asm/imx-common/video.h> 19 #include <mmc.h> 20 #include <fsl_esdhc.h> 21 #include <miiphy.h> 22 #include <netdev.h> 23 #include <asm/arch/mxc_hdmi.h> 24 #include <asm/arch/crm_regs.h> 25 #include <asm/io.h> 26 #include <asm/arch/sys_proto.h> 27 #include <i2c.h> 28 #include <power/pmic.h> 29 #include <power/pfuze100_pmic.h> 30 #include "../common/pfuze.h" 31 #include <asm/arch/mx6-ddr.h> 32 #include <usb.h> 33 34 DECLARE_GLOBAL_DATA_PTR; 35 36 #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ 37 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ 38 PAD_CTL_SRE_FAST | PAD_CTL_HYS) 39 40 #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \ 41 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \ 42 PAD_CTL_SRE_FAST | PAD_CTL_HYS) 43 44 #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ 45 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS) 46 47 #define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \ 48 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) 49 50 #define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ 51 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ 52 PAD_CTL_ODE | PAD_CTL_SRE_FAST) 53 54 #define I2C_PMIC 1 55 56 #define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL) 57 58 #define DISP0_PWR_EN IMX_GPIO_NR(1, 21) 59 60 int dram_init(void) 61 { 62 gd->ram_size = imx_ddr_size(); 63 return 0; 64 } 65 66 static iomux_v3_cfg_t const uart1_pads[] = { 67 MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), 68 MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), 69 }; 70 71 static iomux_v3_cfg_t const enet_pads[] = { 72 MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), 73 MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), 74 MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), 75 MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), 76 MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), 77 MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), 78 MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), 79 MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), 80 MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL), 81 MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL), 82 MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), 83 MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), 84 MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), 85 MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), 86 MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), 87 /* AR8031 PHY Reset */ 88 MX6_PAD_ENET_CRS_DV__GPIO1_IO25 | MUX_PAD_CTRL(NO_PAD_CTRL), 89 }; 90 91 static void setup_iomux_enet(void) 92 { 93 imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads)); 94 95 /* Reset AR8031 PHY */ 96 gpio_direction_output(IMX_GPIO_NR(1, 25) , 0); 97 mdelay(10); 98 gpio_set_value(IMX_GPIO_NR(1, 25), 1); 99 udelay(100); 100 } 101 102 static iomux_v3_cfg_t const usdhc2_pads[] = { 103 MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), 104 MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), 105 MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 106 MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 107 MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 108 MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 109 MX6_PAD_NANDF_D4__SD2_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 110 MX6_PAD_NANDF_D5__SD2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 111 MX6_PAD_NANDF_D6__SD2_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 112 MX6_PAD_NANDF_D7__SD2_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 113 MX6_PAD_NANDF_D2__GPIO2_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ 114 }; 115 116 static iomux_v3_cfg_t const usdhc3_pads[] = { 117 MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), 118 MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), 119 MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 120 MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 121 MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 122 MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 123 MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 124 MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 125 MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 126 MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 127 MX6_PAD_NANDF_D0__GPIO2_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ 128 }; 129 130 static iomux_v3_cfg_t const usdhc4_pads[] = { 131 MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), 132 MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), 133 MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 134 MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 135 MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 136 MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 137 MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 138 MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 139 MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 140 MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 141 }; 142 143 static iomux_v3_cfg_t const ecspi1_pads[] = { 144 MX6_PAD_KEY_COL0__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL), 145 MX6_PAD_KEY_COL1__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL), 146 MX6_PAD_KEY_ROW0__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL), 147 MX6_PAD_KEY_ROW1__GPIO4_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL), 148 }; 149 150 static iomux_v3_cfg_t const rgb_pads[] = { 151 MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK | MUX_PAD_CTRL(NO_PAD_CTRL), 152 MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15 | MUX_PAD_CTRL(NO_PAD_CTRL), 153 MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02 | MUX_PAD_CTRL(NO_PAD_CTRL), 154 MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03 | MUX_PAD_CTRL(NO_PAD_CTRL), 155 MX6_PAD_DI0_PIN4__IPU1_DI0_PIN04 | MUX_PAD_CTRL(NO_PAD_CTRL), 156 MX6_PAD_DISP0_DAT0__IPU1_DISP0_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL), 157 MX6_PAD_DISP0_DAT1__IPU1_DISP0_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL), 158 MX6_PAD_DISP0_DAT2__IPU1_DISP0_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL), 159 MX6_PAD_DISP0_DAT3__IPU1_DISP0_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL), 160 MX6_PAD_DISP0_DAT4__IPU1_DISP0_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL), 161 MX6_PAD_DISP0_DAT5__IPU1_DISP0_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL), 162 MX6_PAD_DISP0_DAT6__IPU1_DISP0_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL), 163 MX6_PAD_DISP0_DAT7__IPU1_DISP0_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL), 164 MX6_PAD_DISP0_DAT8__IPU1_DISP0_DATA08 | MUX_PAD_CTRL(NO_PAD_CTRL), 165 MX6_PAD_DISP0_DAT9__IPU1_DISP0_DATA09 | MUX_PAD_CTRL(NO_PAD_CTRL), 166 MX6_PAD_DISP0_DAT10__IPU1_DISP0_DATA10 | MUX_PAD_CTRL(NO_PAD_CTRL), 167 MX6_PAD_DISP0_DAT11__IPU1_DISP0_DATA11 | MUX_PAD_CTRL(NO_PAD_CTRL), 168 MX6_PAD_DISP0_DAT12__IPU1_DISP0_DATA12 | MUX_PAD_CTRL(NO_PAD_CTRL), 169 MX6_PAD_DISP0_DAT13__IPU1_DISP0_DATA13 | MUX_PAD_CTRL(NO_PAD_CTRL), 170 MX6_PAD_DISP0_DAT14__IPU1_DISP0_DATA14 | MUX_PAD_CTRL(NO_PAD_CTRL), 171 MX6_PAD_DISP0_DAT15__IPU1_DISP0_DATA15 | MUX_PAD_CTRL(NO_PAD_CTRL), 172 MX6_PAD_DISP0_DAT16__IPU1_DISP0_DATA16 | MUX_PAD_CTRL(NO_PAD_CTRL), 173 MX6_PAD_DISP0_DAT17__IPU1_DISP0_DATA17 | MUX_PAD_CTRL(NO_PAD_CTRL), 174 MX6_PAD_DISP0_DAT18__IPU1_DISP0_DATA18 | MUX_PAD_CTRL(NO_PAD_CTRL), 175 MX6_PAD_DISP0_DAT19__IPU1_DISP0_DATA19 | MUX_PAD_CTRL(NO_PAD_CTRL), 176 MX6_PAD_DISP0_DAT20__IPU1_DISP0_DATA20 | MUX_PAD_CTRL(NO_PAD_CTRL), 177 MX6_PAD_DISP0_DAT21__IPU1_DISP0_DATA21 | MUX_PAD_CTRL(NO_PAD_CTRL), 178 MX6_PAD_DISP0_DAT22__IPU1_DISP0_DATA22 | MUX_PAD_CTRL(NO_PAD_CTRL), 179 MX6_PAD_DISP0_DAT23__IPU1_DISP0_DATA23 | MUX_PAD_CTRL(NO_PAD_CTRL), 180 MX6_PAD_SD1_DAT3__GPIO1_IO21 | MUX_PAD_CTRL(NO_PAD_CTRL), 181 }; 182 183 static void enable_rgb(struct display_info_t const *dev) 184 { 185 imx_iomux_v3_setup_multiple_pads(rgb_pads, ARRAY_SIZE(rgb_pads)); 186 gpio_direction_output(DISP0_PWR_EN, 1); 187 } 188 189 static struct i2c_pads_info i2c_pad_info1 = { 190 .scl = { 191 .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD, 192 .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD, 193 .gp = IMX_GPIO_NR(4, 12) 194 }, 195 .sda = { 196 .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD, 197 .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD, 198 .gp = IMX_GPIO_NR(4, 13) 199 } 200 }; 201 202 static void setup_spi(void) 203 { 204 imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads)); 205 } 206 207 iomux_v3_cfg_t const pcie_pads[] = { 208 MX6_PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL), /* POWER */ 209 MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL), /* RESET */ 210 }; 211 212 static void setup_pcie(void) 213 { 214 imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads)); 215 } 216 217 iomux_v3_cfg_t const di0_pads[] = { 218 MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK, /* DISP0_CLK */ 219 MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02, /* DISP0_HSYNC */ 220 MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03, /* DISP0_VSYNC */ 221 }; 222 223 static void setup_iomux_uart(void) 224 { 225 imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); 226 } 227 228 #ifdef CONFIG_FSL_ESDHC 229 struct fsl_esdhc_cfg usdhc_cfg[3] = { 230 {USDHC2_BASE_ADDR}, 231 {USDHC3_BASE_ADDR}, 232 {USDHC4_BASE_ADDR}, 233 }; 234 235 #define USDHC2_CD_GPIO IMX_GPIO_NR(2, 2) 236 #define USDHC3_CD_GPIO IMX_GPIO_NR(2, 0) 237 238 int board_mmc_get_env_dev(int devno) 239 { 240 return devno - 1; 241 } 242 243 int board_mmc_getcd(struct mmc *mmc) 244 { 245 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; 246 int ret = 0; 247 248 switch (cfg->esdhc_base) { 249 case USDHC2_BASE_ADDR: 250 ret = !gpio_get_value(USDHC2_CD_GPIO); 251 break; 252 case USDHC3_BASE_ADDR: 253 ret = !gpio_get_value(USDHC3_CD_GPIO); 254 break; 255 case USDHC4_BASE_ADDR: 256 ret = 1; /* eMMC/uSDHC4 is always present */ 257 break; 258 } 259 260 return ret; 261 } 262 263 int board_mmc_init(bd_t *bis) 264 { 265 #ifndef CONFIG_SPL_BUILD 266 int ret; 267 int i; 268 269 /* 270 * According to the board_mmc_init() the following map is done: 271 * (U-Boot device node) (Physical Port) 272 * mmc0 SD2 273 * mmc1 SD3 274 * mmc2 eMMC 275 */ 276 for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { 277 switch (i) { 278 case 0: 279 imx_iomux_v3_setup_multiple_pads( 280 usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); 281 gpio_direction_input(USDHC2_CD_GPIO); 282 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); 283 break; 284 case 1: 285 imx_iomux_v3_setup_multiple_pads( 286 usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); 287 gpio_direction_input(USDHC3_CD_GPIO); 288 usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); 289 break; 290 case 2: 291 imx_iomux_v3_setup_multiple_pads( 292 usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); 293 usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); 294 break; 295 default: 296 printf("Warning: you configured more USDHC controllers" 297 "(%d) then supported by the board (%d)\n", 298 i + 1, CONFIG_SYS_FSL_USDHC_NUM); 299 return -EINVAL; 300 } 301 302 ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]); 303 if (ret) 304 return ret; 305 } 306 307 return 0; 308 #else 309 struct src *psrc = (struct src *)SRC_BASE_ADDR; 310 unsigned reg = readl(&psrc->sbmr1) >> 11; 311 /* 312 * Upon reading BOOT_CFG register the following map is done: 313 * Bit 11 and 12 of BOOT_CFG register can determine the current 314 * mmc port 315 * 0x1 SD1 316 * 0x2 SD2 317 * 0x3 SD4 318 */ 319 320 switch (reg & 0x3) { 321 case 0x1: 322 imx_iomux_v3_setup_multiple_pads( 323 usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); 324 usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR; 325 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); 326 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; 327 break; 328 case 0x2: 329 imx_iomux_v3_setup_multiple_pads( 330 usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); 331 usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR; 332 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); 333 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; 334 break; 335 case 0x3: 336 imx_iomux_v3_setup_multiple_pads( 337 usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); 338 usdhc_cfg[0].esdhc_base = USDHC4_BASE_ADDR; 339 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); 340 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; 341 break; 342 } 343 344 return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); 345 #endif 346 } 347 #endif 348 349 #if defined(CONFIG_VIDEO_IPUV3) 350 static void disable_lvds(struct display_info_t const *dev) 351 { 352 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; 353 354 int reg = readl(&iomux->gpr[2]); 355 356 reg &= ~(IOMUXC_GPR2_LVDS_CH0_MODE_MASK | 357 IOMUXC_GPR2_LVDS_CH1_MODE_MASK); 358 359 writel(reg, &iomux->gpr[2]); 360 } 361 362 static void do_enable_hdmi(struct display_info_t const *dev) 363 { 364 disable_lvds(dev); 365 imx_enable_hdmi_phy(); 366 } 367 368 static void enable_lvds(struct display_info_t const *dev) 369 { 370 struct iomuxc *iomux = (struct iomuxc *) 371 IOMUXC_BASE_ADDR; 372 u32 reg = readl(&iomux->gpr[2]); 373 reg |= IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT | 374 IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT; 375 writel(reg, &iomux->gpr[2]); 376 } 377 378 struct display_info_t const displays[] = {{ 379 .bus = -1, 380 .addr = 0, 381 .pixfmt = IPU_PIX_FMT_RGB666, 382 .detect = NULL, 383 .enable = enable_lvds, 384 .mode = { 385 .name = "Hannstar-XGA", 386 .refresh = 60, 387 .xres = 1024, 388 .yres = 768, 389 .pixclock = 15385, 390 .left_margin = 220, 391 .right_margin = 40, 392 .upper_margin = 21, 393 .lower_margin = 7, 394 .hsync_len = 60, 395 .vsync_len = 10, 396 .sync = FB_SYNC_EXT, 397 .vmode = FB_VMODE_NONINTERLACED 398 } }, { 399 .bus = -1, 400 .addr = 0, 401 .pixfmt = IPU_PIX_FMT_RGB24, 402 .detect = detect_hdmi, 403 .enable = do_enable_hdmi, 404 .mode = { 405 .name = "HDMI", 406 .refresh = 60, 407 .xres = 1024, 408 .yres = 768, 409 .pixclock = 15385, 410 .left_margin = 220, 411 .right_margin = 40, 412 .upper_margin = 21, 413 .lower_margin = 7, 414 .hsync_len = 60, 415 .vsync_len = 10, 416 .sync = FB_SYNC_EXT, 417 .vmode = FB_VMODE_NONINTERLACED 418 } }, { 419 .bus = 0, 420 .addr = 0, 421 .pixfmt = IPU_PIX_FMT_RGB24, 422 .detect = NULL, 423 .enable = enable_rgb, 424 .mode = { 425 .name = "SEIKO-WVGA", 426 .refresh = 60, 427 .xres = 800, 428 .yres = 480, 429 .pixclock = 29850, 430 .left_margin = 89, 431 .right_margin = 164, 432 .upper_margin = 23, 433 .lower_margin = 10, 434 .hsync_len = 10, 435 .vsync_len = 10, 436 .sync = 0, 437 .vmode = FB_VMODE_NONINTERLACED 438 } } }; 439 size_t display_count = ARRAY_SIZE(displays); 440 441 static void setup_display(void) 442 { 443 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; 444 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; 445 int reg; 446 447 /* Setup HSYNC, VSYNC, DISP_CLK for debugging purposes */ 448 imx_iomux_v3_setup_multiple_pads(di0_pads, ARRAY_SIZE(di0_pads)); 449 450 enable_ipu_clock(); 451 imx_setup_hdmi(); 452 453 /* Turn on LDB0, LDB1, IPU,IPU DI0 clocks */ 454 reg = readl(&mxc_ccm->CCGR3); 455 reg |= MXC_CCM_CCGR3_LDB_DI0_MASK | MXC_CCM_CCGR3_LDB_DI1_MASK; 456 writel(reg, &mxc_ccm->CCGR3); 457 458 /* set LDB0, LDB1 clk select to 011/011 */ 459 reg = readl(&mxc_ccm->cs2cdr); 460 reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK 461 | MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK); 462 reg |= (3 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET) 463 | (3 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET); 464 writel(reg, &mxc_ccm->cs2cdr); 465 466 reg = readl(&mxc_ccm->cscmr2); 467 reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV | MXC_CCM_CSCMR2_LDB_DI1_IPU_DIV; 468 writel(reg, &mxc_ccm->cscmr2); 469 470 reg = readl(&mxc_ccm->chsccdr); 471 reg |= (CHSCCDR_CLK_SEL_LDB_DI0 472 << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET); 473 reg |= (CHSCCDR_CLK_SEL_LDB_DI0 474 << MXC_CCM_CHSCCDR_IPU1_DI1_CLK_SEL_OFFSET); 475 writel(reg, &mxc_ccm->chsccdr); 476 477 reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES 478 | IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW 479 | IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW 480 | IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG 481 | IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT 482 | IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG 483 | IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT 484 | IOMUXC_GPR2_LVDS_CH0_MODE_DISABLED 485 | IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0; 486 writel(reg, &iomux->gpr[2]); 487 488 reg = readl(&iomux->gpr[3]); 489 reg = (reg & ~(IOMUXC_GPR3_LVDS1_MUX_CTL_MASK 490 | IOMUXC_GPR3_HDMI_MUX_CTL_MASK)) 491 | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 492 << IOMUXC_GPR3_LVDS1_MUX_CTL_OFFSET); 493 writel(reg, &iomux->gpr[3]); 494 } 495 #endif /* CONFIG_VIDEO_IPUV3 */ 496 497 /* 498 * Do not overwrite the console 499 * Use always serial for U-Boot console 500 */ 501 int overwrite_console(void) 502 { 503 return 1; 504 } 505 506 int board_eth_init(bd_t *bis) 507 { 508 setup_iomux_enet(); 509 setup_pcie(); 510 511 return cpu_eth_init(bis); 512 } 513 514 #ifdef CONFIG_USB_EHCI_MX6 515 #define USB_OTHERREGS_OFFSET 0x800 516 #define UCTRL_PWR_POL (1 << 9) 517 518 static iomux_v3_cfg_t const usb_otg_pads[] = { 519 MX6_PAD_EIM_D22__USB_OTG_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), 520 MX6_PAD_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL), 521 }; 522 523 static iomux_v3_cfg_t const usb_hc1_pads[] = { 524 MX6_PAD_ENET_TXD1__GPIO1_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL), 525 }; 526 527 static void setup_usb(void) 528 { 529 imx_iomux_v3_setup_multiple_pads(usb_otg_pads, 530 ARRAY_SIZE(usb_otg_pads)); 531 532 /* 533 * set daisy chain for otg_pin_id on 6q. 534 * for 6dl, this bit is reserved 535 */ 536 imx_iomux_set_gpr_register(1, 13, 1, 0); 537 538 imx_iomux_v3_setup_multiple_pads(usb_hc1_pads, 539 ARRAY_SIZE(usb_hc1_pads)); 540 } 541 542 int board_ehci_hcd_init(int port) 543 { 544 u32 *usbnc_usb_ctrl; 545 546 if (port > 1) 547 return -EINVAL; 548 549 usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET + 550 port * 4); 551 552 setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL); 553 554 return 0; 555 } 556 557 int board_ehci_power(int port, int on) 558 { 559 switch (port) { 560 case 0: 561 break; 562 case 1: 563 if (on) 564 gpio_direction_output(IMX_GPIO_NR(1, 29), 1); 565 else 566 gpio_direction_output(IMX_GPIO_NR(1, 29), 0); 567 break; 568 default: 569 printf("MXC USB port %d not yet supported\n", port); 570 return -EINVAL; 571 } 572 573 return 0; 574 } 575 #endif 576 577 int board_early_init_f(void) 578 { 579 setup_iomux_uart(); 580 #if defined(CONFIG_VIDEO_IPUV3) 581 setup_display(); 582 #endif 583 584 return 0; 585 } 586 587 int board_init(void) 588 { 589 /* address of boot parameters */ 590 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; 591 592 #ifdef CONFIG_MXC_SPI 593 setup_spi(); 594 #endif 595 setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); 596 597 #ifdef CONFIG_USB_EHCI_MX6 598 setup_usb(); 599 #endif 600 601 return 0; 602 } 603 604 int power_init_board(void) 605 { 606 struct pmic *p; 607 unsigned int reg; 608 int ret; 609 610 p = pfuze_common_init(I2C_PMIC); 611 if (!p) 612 return -ENODEV; 613 614 ret = pfuze_mode_init(p, APS_PFM); 615 if (ret < 0) 616 return ret; 617 618 /* Increase VGEN3 from 2.5 to 2.8V */ 619 pmic_reg_read(p, PFUZE100_VGEN3VOL, ®); 620 reg &= ~LDO_VOL_MASK; 621 reg |= LDOB_2_80V; 622 pmic_reg_write(p, PFUZE100_VGEN3VOL, reg); 623 624 /* Increase VGEN5 from 2.8 to 3V */ 625 pmic_reg_read(p, PFUZE100_VGEN5VOL, ®); 626 reg &= ~LDO_VOL_MASK; 627 reg |= LDOB_3_00V; 628 pmic_reg_write(p, PFUZE100_VGEN5VOL, reg); 629 630 return 0; 631 } 632 633 #ifdef CONFIG_MXC_SPI 634 int board_spi_cs_gpio(unsigned bus, unsigned cs) 635 { 636 return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(4, 9)) : -1; 637 } 638 #endif 639 640 #ifdef CONFIG_CMD_BMODE 641 static const struct boot_mode board_boot_modes[] = { 642 /* 4 bit bus width */ 643 {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)}, 644 {"sd3", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)}, 645 /* 8 bit bus width */ 646 {"emmc", MAKE_CFGVAL(0x60, 0x58, 0x00, 0x00)}, 647 {NULL, 0}, 648 }; 649 #endif 650 651 int board_late_init(void) 652 { 653 #ifdef CONFIG_CMD_BMODE 654 add_board_boot_modes(board_boot_modes); 655 #endif 656 657 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG 658 setenv("board_name", "SABRESD"); 659 660 if (is_mx6dqp()) 661 setenv("board_rev", "MX6QP"); 662 else if (is_cpu_type(MXC_CPU_MX6Q) || is_cpu_type(MXC_CPU_MX6D)) 663 setenv("board_rev", "MX6Q"); 664 else if (is_cpu_type(MXC_CPU_MX6DL) || is_cpu_type(MXC_CPU_MX6SOLO)) 665 setenv("board_rev", "MX6DL"); 666 #endif 667 668 return 0; 669 } 670 671 int checkboard(void) 672 { 673 puts("Board: MX6-SabreSD\n"); 674 return 0; 675 } 676 677 #ifdef CONFIG_SPL_BUILD 678 #include <spl.h> 679 #include <libfdt.h> 680 681 const struct mx6dq_iomux_ddr_regs mx6_ddr_ioregs = { 682 .dram_sdclk_0 = 0x00020030, 683 .dram_sdclk_1 = 0x00020030, 684 .dram_cas = 0x00020030, 685 .dram_ras = 0x00020030, 686 .dram_reset = 0x00020030, 687 .dram_sdcke0 = 0x00003000, 688 .dram_sdcke1 = 0x00003000, 689 .dram_sdba2 = 0x00000000, 690 .dram_sdodt0 = 0x00003030, 691 .dram_sdodt1 = 0x00003030, 692 .dram_sdqs0 = 0x00000030, 693 .dram_sdqs1 = 0x00000030, 694 .dram_sdqs2 = 0x00000030, 695 .dram_sdqs3 = 0x00000030, 696 .dram_sdqs4 = 0x00000030, 697 .dram_sdqs5 = 0x00000030, 698 .dram_sdqs6 = 0x00000030, 699 .dram_sdqs7 = 0x00000030, 700 .dram_dqm0 = 0x00020030, 701 .dram_dqm1 = 0x00020030, 702 .dram_dqm2 = 0x00020030, 703 .dram_dqm3 = 0x00020030, 704 .dram_dqm4 = 0x00020030, 705 .dram_dqm5 = 0x00020030, 706 .dram_dqm6 = 0x00020030, 707 .dram_dqm7 = 0x00020030, 708 }; 709 710 const struct mx6dq_iomux_ddr_regs mx6dqp_ddr_ioregs = { 711 .dram_sdclk_0 = 0x00000030, 712 .dram_sdclk_1 = 0x00000030, 713 .dram_cas = 0x00000030, 714 .dram_ras = 0x00000030, 715 .dram_reset = 0x00000030, 716 .dram_sdcke0 = 0x00003000, 717 .dram_sdcke1 = 0x00003000, 718 .dram_sdba2 = 0x00000000, 719 .dram_sdodt0 = 0x00003030, 720 .dram_sdodt1 = 0x00003030, 721 .dram_sdqs0 = 0x00000030, 722 .dram_sdqs1 = 0x00000030, 723 .dram_sdqs2 = 0x00000030, 724 .dram_sdqs3 = 0x00000030, 725 .dram_sdqs4 = 0x00000030, 726 .dram_sdqs5 = 0x00000030, 727 .dram_sdqs6 = 0x00000030, 728 .dram_sdqs7 = 0x00000030, 729 .dram_dqm0 = 0x00000030, 730 .dram_dqm1 = 0x00000030, 731 .dram_dqm2 = 0x00000030, 732 .dram_dqm3 = 0x00000030, 733 .dram_dqm4 = 0x00000030, 734 .dram_dqm5 = 0x00000030, 735 .dram_dqm6 = 0x00000030, 736 .dram_dqm7 = 0x00000030, 737 }; 738 739 const struct mx6dq_iomux_grp_regs mx6_grp_ioregs = { 740 .grp_ddr_type = 0x000C0000, 741 .grp_ddrmode_ctl = 0x00020000, 742 .grp_ddrpke = 0x00000000, 743 .grp_addds = 0x00000030, 744 .grp_ctlds = 0x00000030, 745 .grp_ddrmode = 0x00020000, 746 .grp_b0ds = 0x00000030, 747 .grp_b1ds = 0x00000030, 748 .grp_b2ds = 0x00000030, 749 .grp_b3ds = 0x00000030, 750 .grp_b4ds = 0x00000030, 751 .grp_b5ds = 0x00000030, 752 .grp_b6ds = 0x00000030, 753 .grp_b7ds = 0x00000030, 754 }; 755 756 const struct mx6_mmdc_calibration mx6_mmcd_calib = { 757 .p0_mpwldectrl0 = 0x001F001F, 758 .p0_mpwldectrl1 = 0x001F001F, 759 .p1_mpwldectrl0 = 0x00440044, 760 .p1_mpwldectrl1 = 0x00440044, 761 .p0_mpdgctrl0 = 0x434B0350, 762 .p0_mpdgctrl1 = 0x034C0359, 763 .p1_mpdgctrl0 = 0x434B0350, 764 .p1_mpdgctrl1 = 0x03650348, 765 .p0_mprddlctl = 0x4436383B, 766 .p1_mprddlctl = 0x39393341, 767 .p0_mpwrdlctl = 0x35373933, 768 .p1_mpwrdlctl = 0x48254A36, 769 }; 770 771 const struct mx6_mmdc_calibration mx6dqp_mmcd_calib = { 772 .p0_mpwldectrl0 = 0x001B001E, 773 .p0_mpwldectrl1 = 0x002E0029, 774 .p1_mpwldectrl0 = 0x001B002A, 775 .p1_mpwldectrl1 = 0x0019002C, 776 .p0_mpdgctrl0 = 0x43240334, 777 .p0_mpdgctrl1 = 0x0324031A, 778 .p1_mpdgctrl0 = 0x43340344, 779 .p1_mpdgctrl1 = 0x03280276, 780 .p0_mprddlctl = 0x44383A3E, 781 .p1_mprddlctl = 0x3C3C3846, 782 .p0_mpwrdlctl = 0x2E303230, 783 .p1_mpwrdlctl = 0x38283E34, 784 }; 785 786 /* MT41K128M16JT-125 */ 787 static struct mx6_ddr3_cfg mem_ddr = { 788 .mem_speed = 1600, 789 .density = 2, 790 .width = 16, 791 .banks = 8, 792 .rowaddr = 14, 793 .coladdr = 10, 794 .pagesz = 2, 795 .trcd = 1375, 796 .trcmin = 4875, 797 .trasmin = 3500, 798 }; 799 800 static void ccgr_init(void) 801 { 802 struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; 803 804 writel(0x00C03F3F, &ccm->CCGR0); 805 writel(0x0030FC03, &ccm->CCGR1); 806 writel(0x0FFFC000, &ccm->CCGR2); 807 writel(0x3FF00000, &ccm->CCGR3); 808 writel(0x00FFF300, &ccm->CCGR4); 809 writel(0x0F0000C3, &ccm->CCGR5); 810 writel(0x000003FF, &ccm->CCGR6); 811 } 812 813 static void gpr_init(void) 814 { 815 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; 816 817 /* enable AXI cache for VDOA/VPU/IPU */ 818 writel(0xF00000CF, &iomux->gpr[4]); 819 if (is_mx6dqp()) { 820 /* set IPU AXI-id1 Qos=0x1 AXI-id0/2/3 Qos=0x7 */ 821 writel(0x007F007F, &iomux->gpr[6]); 822 writel(0x007F007F, &iomux->gpr[7]); 823 } else { 824 /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */ 825 writel(0x007F007F, &iomux->gpr[6]); 826 writel(0x007F007F, &iomux->gpr[7]); 827 } 828 } 829 830 /* 831 * This section requires the differentiation between iMX6 Sabre boards, but 832 * for now, it will configure only for the mx6q variant. 833 */ 834 static void spl_dram_init(void) 835 { 836 struct mx6_ddr_sysinfo sysinfo = { 837 /* width of data bus:0=16,1=32,2=64 */ 838 .dsize = 2, 839 /* config for full 4GB range so that get_mem_size() works */ 840 .cs_density = 32, /* 32Gb per CS */ 841 /* single chip select */ 842 .ncs = 1, 843 .cs1_mirror = 0, 844 .rtt_wr = 1 /*DDR3_RTT_60_OHM*/, /* RTT_Wr = RZQ/4 */ 845 .rtt_nom = 1 /*DDR3_RTT_60_OHM*/, /* RTT_Nom = RZQ/4 */ 846 .walat = 1, /* Write additional latency */ 847 .ralat = 5, /* Read additional latency */ 848 .mif3_mode = 3, /* Command prediction working mode */ 849 .bi_on = 1, /* Bank interleaving enabled */ 850 .sde_to_rst = 0x10, /* 14 cycles, 200us (JEDEC default) */ 851 .rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */ 852 .ddr_type = DDR_TYPE_DDR3, 853 }; 854 855 if (is_mx6dqp()) { 856 mx6dq_dram_iocfg(64, &mx6dqp_ddr_ioregs, &mx6_grp_ioregs); 857 mx6_dram_cfg(&sysinfo, &mx6dqp_mmcd_calib, &mem_ddr); 858 } else { 859 mx6dq_dram_iocfg(64, &mx6_ddr_ioregs, &mx6_grp_ioregs); 860 mx6_dram_cfg(&sysinfo, &mx6_mmcd_calib, &mem_ddr); 861 } 862 } 863 864 void board_init_f(ulong dummy) 865 { 866 /* setup AIPS and disable watchdog */ 867 arch_cpu_init(); 868 869 ccgr_init(); 870 gpr_init(); 871 872 /* iomux and setup of i2c */ 873 board_early_init_f(); 874 875 /* setup GP timer */ 876 timer_init(); 877 878 /* UART clocks enabled and gd valid - init serial console */ 879 preloader_console_init(); 880 881 /* DDR initialization */ 882 spl_dram_init(); 883 884 /* Clear the BSS. */ 885 memset(__bss_start, 0, __bss_end - __bss_start); 886 887 /* load/boot image from boot device */ 888 board_init_r(NULL, 0); 889 } 890 #endif 891