1 /* 2 * Copyright (C) 2010-2013 Freescale Semiconductor, Inc. 3 * Copyright (C) 2013, Boundary Devices <info@boundarydevices.com> 4 * Copyright (C) 2014-2016, Toradex AG 5 * copied from nitrogen6x 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9 10 #include <common.h> 11 #include <dm.h> 12 #include <environment.h> 13 #include <asm/arch/clock.h> 14 #include <asm/arch/crm_regs.h> 15 #include <asm/arch/mxc_hdmi.h> 16 #include <asm/arch/imx-regs.h> 17 #include <asm/arch/iomux.h> 18 #include <asm/arch/sys_proto.h> 19 #include <asm/arch/mx6-pins.h> 20 #include <asm/arch/mx6-ddr.h> 21 #include <asm/bootm.h> 22 #include <asm/gpio.h> 23 #include <asm/io.h> 24 #include <asm/mach-imx/iomux-v3.h> 25 #include <asm/mach-imx/mxc_i2c.h> 26 #include <asm/mach-imx/sata.h> 27 #include <asm/mach-imx/boot_mode.h> 28 #include <asm/mach-imx/video.h> 29 #include <dm/platform_data/serial_mxc.h> 30 #include <dm/platdata.h> 31 #include <fsl_esdhc.h> 32 #include <i2c.h> 33 #include <input.h> 34 #include <imx_thermal.h> 35 #include <linux/errno.h> 36 #include <malloc.h> 37 #include <mmc.h> 38 #include <micrel.h> 39 #include <miiphy.h> 40 #include <netdev.h> 41 42 #include "../common/tdx-cfg-block.h" 43 #ifdef CONFIG_TDX_CMD_IMX_MFGR 44 #include "pf0100.h" 45 #endif 46 47 DECLARE_GLOBAL_DATA_PTR; 48 49 #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ 50 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ 51 PAD_CTL_SRE_FAST | PAD_CTL_HYS) 52 53 #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \ 54 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \ 55 PAD_CTL_SRE_FAST | PAD_CTL_HYS) 56 57 #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ 58 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS) 59 60 #define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \ 61 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) 62 63 #define BUTTON_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ 64 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS) 65 66 #define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ 67 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ 68 PAD_CTL_ODE | PAD_CTL_SRE_FAST) 69 70 #define WEAK_PULLUP (PAD_CTL_PUS_100K_UP | \ 71 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ 72 PAD_CTL_SRE_SLOW) 73 74 #define NO_PULLUP ( \ 75 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ 76 PAD_CTL_SRE_SLOW) 77 78 #define WEAK_PULLDOWN (PAD_CTL_PUS_100K_DOWN | \ 79 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ 80 PAD_CTL_HYS | PAD_CTL_SRE_SLOW) 81 82 #define TRISTATE (PAD_CTL_HYS | PAD_CTL_SPEED_MED) 83 84 #define OUTPUT_40OHM (PAD_CTL_SPEED_MED|PAD_CTL_DSE_40ohm) 85 86 #define OUTPUT_RGB (PAD_CTL_SPEED_MED|PAD_CTL_DSE_60ohm|PAD_CTL_SRE_FAST) 87 88 int dram_init(void) 89 { 90 /* use the DDR controllers configured size */ 91 gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, 92 (ulong)imx_ddr_size()); 93 94 return 0; 95 } 96 97 /* Apalis UART1 */ 98 iomux_v3_cfg_t const uart1_pads_dce[] = { 99 MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), 100 MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), 101 }; 102 iomux_v3_cfg_t const uart1_pads_dte[] = { 103 MX6_PAD_CSI0_DAT10__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), 104 MX6_PAD_CSI0_DAT11__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), 105 }; 106 107 #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) 108 /* Apalis I2C1 */ 109 struct i2c_pads_info i2c_pad_info1 = { 110 .scl = { 111 .i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL | PC, 112 .gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27 | PC, 113 .gp = IMX_GPIO_NR(5, 27) 114 }, 115 .sda = { 116 .i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA | PC, 117 .gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26 | PC, 118 .gp = IMX_GPIO_NR(5, 26) 119 } 120 }; 121 122 /* Apalis local, PMIC, SGTL5000, STMPE811 */ 123 struct i2c_pads_info i2c_pad_info_loc = { 124 .scl = { 125 .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | PC, 126 .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | PC, 127 .gp = IMX_GPIO_NR(4, 12) 128 }, 129 .sda = { 130 .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | PC, 131 .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | PC, 132 .gp = IMX_GPIO_NR(4, 13) 133 } 134 }; 135 136 /* Apalis I2C3 / CAM */ 137 struct i2c_pads_info i2c_pad_info3 = { 138 .scl = { 139 .i2c_mode = MX6_PAD_EIM_D17__I2C3_SCL | PC, 140 .gpio_mode = MX6_PAD_EIM_D17__GPIO3_IO17 | PC, 141 .gp = IMX_GPIO_NR(3, 17) 142 }, 143 .sda = { 144 .i2c_mode = MX6_PAD_EIM_D18__I2C3_SDA | PC, 145 .gpio_mode = MX6_PAD_EIM_D18__GPIO3_IO18 | PC, 146 .gp = IMX_GPIO_NR(3, 18) 147 } 148 }; 149 150 /* Apalis I2C2 / DDC */ 151 struct i2c_pads_info i2c_pad_info_ddc = { 152 .scl = { 153 .i2c_mode = MX6_PAD_EIM_EB2__HDMI_TX_DDC_SCL | PC, 154 .gpio_mode = MX6_PAD_EIM_EB2__GPIO2_IO30 | PC, 155 .gp = IMX_GPIO_NR(2, 30) 156 }, 157 .sda = { 158 .i2c_mode = MX6_PAD_EIM_D16__HDMI_TX_DDC_SDA | PC, 159 .gpio_mode = MX6_PAD_EIM_D16__GPIO3_IO16 | PC, 160 .gp = IMX_GPIO_NR(3, 16) 161 } 162 }; 163 164 /* Apalis MMC1 */ 165 iomux_v3_cfg_t const usdhc1_pads[] = { 166 MX6_PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), 167 MX6_PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), 168 MX6_PAD_SD1_DAT0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 169 MX6_PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 170 MX6_PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 171 MX6_PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 172 MX6_PAD_NANDF_D0__SD1_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 173 MX6_PAD_NANDF_D1__SD1_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 174 MX6_PAD_NANDF_D2__SD1_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 175 MX6_PAD_NANDF_D3__SD1_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 176 MX6_PAD_DI0_PIN4__GPIO4_IO20 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ 177 # define GPIO_MMC_CD IMX_GPIO_NR(4, 20) 178 }; 179 180 /* Apalis SD1 */ 181 iomux_v3_cfg_t const usdhc2_pads[] = { 182 MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), 183 MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), 184 MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 185 MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 186 MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 187 MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 188 MX6_PAD_NANDF_CS1__GPIO6_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ 189 # define GPIO_SD_CD IMX_GPIO_NR(6, 14) 190 }; 191 192 /* eMMC */ 193 iomux_v3_cfg_t const usdhc3_pads[] = { 194 MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), 195 MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), 196 MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 197 MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 198 MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 199 MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 200 MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 201 MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 202 MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 203 MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 204 MX6_PAD_SD3_RST__GPIO7_IO08 | MUX_PAD_CTRL(WEAK_PULLUP), 205 }; 206 207 int mx6_rgmii_rework(struct phy_device *phydev) 208 { 209 /* control data pad skew - devaddr = 0x02, register = 0x04 */ 210 ksz9031_phy_extended_write(phydev, 0x02, 211 MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW, 212 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000); 213 /* rx data pad skew - devaddr = 0x02, register = 0x05 */ 214 ksz9031_phy_extended_write(phydev, 0x02, 215 MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW, 216 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000); 217 /* tx data pad skew - devaddr = 0x02, register = 0x05 */ 218 ksz9031_phy_extended_write(phydev, 0x02, 219 MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW, 220 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000); 221 /* gtx and rx clock pad skew - devaddr = 0x02, register = 0x08 */ 222 ksz9031_phy_extended_write(phydev, 0x02, 223 MII_KSZ9031_EXT_RGMII_CLOCK_SKEW, 224 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x03FF); 225 return 0; 226 } 227 228 iomux_v3_cfg_t const enet_pads[] = { 229 MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), 230 MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), 231 MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), 232 MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), 233 MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), 234 MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), 235 MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), 236 MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), 237 MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL), 238 MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL), 239 MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), 240 MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), 241 MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), 242 MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), 243 MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), 244 /* KSZ9031 PHY Reset */ 245 MX6_PAD_ENET_CRS_DV__GPIO1_IO25 | MUX_PAD_CTRL(NO_PAD_CTRL), 246 # define GPIO_ENET_PHY_RESET IMX_GPIO_NR(1, 25) 247 }; 248 249 static void setup_iomux_enet(void) 250 { 251 imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads)); 252 } 253 254 static int reset_enet_phy(struct mii_dev *bus) 255 { 256 /* Reset KSZ9031 PHY */ 257 gpio_direction_output(GPIO_ENET_PHY_RESET, 0); 258 mdelay(10); 259 gpio_set_value(GPIO_ENET_PHY_RESET, 1); 260 261 return 0; 262 } 263 264 /* mux the Apalis GPIO pins, so they can be used from the U-Boot cmdline */ 265 iomux_v3_cfg_t const gpio_pads[] = { 266 /* Apalis GPIO1 - GPIO8 */ 267 MX6_PAD_NANDF_D4__GPIO2_IO04 | MUX_PAD_CTRL(WEAK_PULLUP), 268 MX6_PAD_NANDF_D5__GPIO2_IO05 | MUX_PAD_CTRL(WEAK_PULLUP), 269 MX6_PAD_NANDF_D6__GPIO2_IO06 | MUX_PAD_CTRL(WEAK_PULLUP), 270 MX6_PAD_NANDF_D7__GPIO2_IO07 | MUX_PAD_CTRL(WEAK_PULLUP), 271 MX6_PAD_NANDF_RB0__GPIO6_IO10 | MUX_PAD_CTRL(WEAK_PULLUP), 272 MX6_PAD_NANDF_WP_B__GPIO6_IO09 | MUX_PAD_CTRL(WEAK_PULLUP), 273 MX6_PAD_GPIO_2__GPIO1_IO02 | MUX_PAD_CTRL(WEAK_PULLDOWN), 274 MX6_PAD_GPIO_6__GPIO1_IO06 | MUX_PAD_CTRL(WEAK_PULLUP), 275 MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(WEAK_PULLUP), 276 }; 277 278 static void setup_iomux_gpio(void) 279 { 280 imx_iomux_v3_setup_multiple_pads(gpio_pads, ARRAY_SIZE(gpio_pads)); 281 } 282 283 iomux_v3_cfg_t const usb_pads[] = { 284 /* USBH_EN */ 285 MX6_PAD_GPIO_0__GPIO1_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL), 286 # define GPIO_USBH_EN IMX_GPIO_NR(1, 0) 287 /* USB_VBUS_DET */ 288 MX6_PAD_EIM_D28__GPIO3_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL), 289 # define GPIO_USB_VBUS_DET IMX_GPIO_NR(3, 28) 290 /* USBO1_ID */ 291 MX6_PAD_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(WEAK_PULLUP), 292 /* USBO1_EN */ 293 MX6_PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL), 294 # define GPIO_USBO_EN IMX_GPIO_NR(3, 22) 295 }; 296 297 /* 298 * UARTs are used in DTE mode, switch the mode on all UARTs before 299 * any pinmuxing connects a (DCE) output to a transceiver output. 300 */ 301 #define UFCR 0x90 /* FIFO Control Register */ 302 #define UFCR_DCEDTE (1<<6) /* DCE=0 */ 303 304 static void setup_dtemode_uart(void) 305 { 306 setbits_le32((u32 *)(UART1_BASE + UFCR), UFCR_DCEDTE); 307 setbits_le32((u32 *)(UART2_BASE + UFCR), UFCR_DCEDTE); 308 setbits_le32((u32 *)(UART4_BASE + UFCR), UFCR_DCEDTE); 309 setbits_le32((u32 *)(UART5_BASE + UFCR), UFCR_DCEDTE); 310 } 311 static void setup_dcemode_uart(void) 312 { 313 clrbits_le32((u32 *)(UART1_BASE + UFCR), UFCR_DCEDTE); 314 clrbits_le32((u32 *)(UART2_BASE + UFCR), UFCR_DCEDTE); 315 clrbits_le32((u32 *)(UART4_BASE + UFCR), UFCR_DCEDTE); 316 clrbits_le32((u32 *)(UART5_BASE + UFCR), UFCR_DCEDTE); 317 } 318 319 static void setup_iomux_dte_uart(void) 320 { 321 setup_dtemode_uart(); 322 imx_iomux_v3_setup_multiple_pads(uart1_pads_dte, 323 ARRAY_SIZE(uart1_pads_dte)); 324 } 325 326 static void setup_iomux_dce_uart(void) 327 { 328 setup_dcemode_uart(); 329 imx_iomux_v3_setup_multiple_pads(uart1_pads_dce, 330 ARRAY_SIZE(uart1_pads_dce)); 331 } 332 333 #ifdef CONFIG_USB_EHCI_MX6 334 int board_ehci_hcd_init(int port) 335 { 336 imx_iomux_v3_setup_multiple_pads(usb_pads, ARRAY_SIZE(usb_pads)); 337 return 0; 338 } 339 340 int board_ehci_power(int port, int on) 341 { 342 switch (port) { 343 case 0: 344 /* control OTG power */ 345 gpio_direction_output(GPIO_USBO_EN, on); 346 mdelay(100); 347 break; 348 case 1: 349 /* Control MXM USBH */ 350 gpio_direction_output(GPIO_USBH_EN, on); 351 mdelay(2); 352 /* Control onboard USB Hub VBUS */ 353 gpio_direction_output(GPIO_USB_VBUS_DET, on); 354 mdelay(100); 355 break; 356 default: 357 break; 358 } 359 return 0; 360 } 361 #endif 362 363 #ifdef CONFIG_FSL_ESDHC 364 /* use the following sequence: eMMC, MMC, SD */ 365 struct fsl_esdhc_cfg usdhc_cfg[CONFIG_SYS_FSL_USDHC_NUM] = { 366 {USDHC3_BASE_ADDR}, 367 {USDHC1_BASE_ADDR}, 368 {USDHC2_BASE_ADDR}, 369 }; 370 371 int board_mmc_getcd(struct mmc *mmc) 372 { 373 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; 374 int ret = true; /* default: assume inserted */ 375 376 switch (cfg->esdhc_base) { 377 case USDHC1_BASE_ADDR: 378 gpio_direction_input(GPIO_MMC_CD); 379 ret = !gpio_get_value(GPIO_MMC_CD); 380 break; 381 case USDHC2_BASE_ADDR: 382 gpio_direction_input(GPIO_SD_CD); 383 ret = !gpio_get_value(GPIO_SD_CD); 384 break; 385 } 386 387 return ret; 388 } 389 390 int board_mmc_init(bd_t *bis) 391 { 392 #ifndef CONFIG_SPL_BUILD 393 s32 status = 0; 394 u32 index = 0; 395 396 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); 397 usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); 398 usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); 399 400 usdhc_cfg[0].max_bus_width = 8; 401 usdhc_cfg[1].max_bus_width = 8; 402 usdhc_cfg[2].max_bus_width = 4; 403 404 for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) { 405 switch (index) { 406 case 0: 407 imx_iomux_v3_setup_multiple_pads( 408 usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); 409 break; 410 case 1: 411 imx_iomux_v3_setup_multiple_pads( 412 usdhc1_pads, ARRAY_SIZE(usdhc1_pads)); 413 break; 414 case 2: 415 imx_iomux_v3_setup_multiple_pads( 416 usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); 417 break; 418 default: 419 printf("Warning: you configured more USDHC controllers (%d) then supported by the board (%d)\n", 420 index + 1, CONFIG_SYS_FSL_USDHC_NUM); 421 return status; 422 } 423 424 status |= fsl_esdhc_initialize(bis, &usdhc_cfg[index]); 425 } 426 427 return status; 428 #else 429 struct src *psrc = (struct src *)SRC_BASE_ADDR; 430 unsigned reg = readl(&psrc->sbmr1) >> 11; 431 /* 432 * Upon reading BOOT_CFG register the following map is done: 433 * Bit 11 and 12 of BOOT_CFG register can determine the current 434 * mmc port 435 * 0x1 SD1 436 * 0x2 SD2 437 * 0x3 SD4 438 */ 439 440 switch (reg & 0x3) { 441 case 0x0: 442 imx_iomux_v3_setup_multiple_pads( 443 usdhc1_pads, ARRAY_SIZE(usdhc1_pads)); 444 usdhc_cfg[0].esdhc_base = USDHC1_BASE_ADDR; 445 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); 446 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; 447 break; 448 case 0x1: 449 imx_iomux_v3_setup_multiple_pads( 450 usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); 451 usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR; 452 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); 453 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; 454 break; 455 case 0x2: 456 imx_iomux_v3_setup_multiple_pads( 457 usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); 458 usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR; 459 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); 460 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; 461 break; 462 default: 463 puts("MMC boot device not available"); 464 } 465 466 return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); 467 #endif 468 } 469 #endif 470 471 int board_phy_config(struct phy_device *phydev) 472 { 473 mx6_rgmii_rework(phydev); 474 if (phydev->drv->config) 475 phydev->drv->config(phydev); 476 477 return 0; 478 } 479 480 int board_eth_init(bd_t *bis) 481 { 482 uint32_t base = IMX_FEC_BASE; 483 struct mii_dev *bus = NULL; 484 struct phy_device *phydev = NULL; 485 int ret; 486 487 setup_iomux_enet(); 488 489 #ifdef CONFIG_FEC_MXC 490 bus = fec_get_miibus(base, -1); 491 if (!bus) 492 return 0; 493 bus->reset = reset_enet_phy; 494 /* scan PHY 4,5,6,7 */ 495 phydev = phy_find_by_mask(bus, (0xf << 4), PHY_INTERFACE_MODE_RGMII); 496 if (!phydev) { 497 free(bus); 498 puts("no PHY found\n"); 499 return 0; 500 } 501 printf("using PHY at %d\n", phydev->addr); 502 ret = fec_probe(bis, -1, base, bus, phydev); 503 if (ret) { 504 printf("FEC MXC: %s:failed\n", __func__); 505 free(phydev); 506 free(bus); 507 } 508 #endif 509 return 0; 510 } 511 512 static iomux_v3_cfg_t const pwr_intb_pads[] = { 513 /* 514 * the bootrom sets the iomux to vselect, potentially connecting 515 * two outputs. Set this back to GPIO 516 */ 517 MX6_PAD_GPIO_18__GPIO7_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL) 518 }; 519 520 #if defined(CONFIG_VIDEO_IPUV3) 521 522 static iomux_v3_cfg_t const backlight_pads[] = { 523 /* Backlight on RGB connector: J15 */ 524 MX6_PAD_EIM_DA13__GPIO3_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL), 525 #define RGB_BACKLIGHT_GP IMX_GPIO_NR(3, 13) 526 /* additional CPU pin on BKL_PWM, keep in tristate */ 527 MX6_PAD_EIM_DA14__GPIO3_IO14 | MUX_PAD_CTRL(TRISTATE), 528 /* Backlight PWM, used as GPIO in U-Boot */ 529 MX6_PAD_SD4_DAT2__GPIO2_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL), 530 #define RGB_BACKLIGHTPWM_GP IMX_GPIO_NR(2, 10) 531 /* buffer output enable 0: buffer enabled */ 532 MX6_PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(WEAK_PULLUP), 533 #define RGB_BACKLIGHTPWM_OE IMX_GPIO_NR(5, 2) 534 /* PSAVE# integrated VDAC */ 535 MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL), 536 #define VGA_PSAVE_NOT_GP IMX_GPIO_NR(6, 31) 537 }; 538 539 static iomux_v3_cfg_t const rgb_pads[] = { 540 MX6_PAD_EIM_A16__IPU1_DI1_DISP_CLK | MUX_PAD_CTRL(OUTPUT_RGB), 541 MX6_PAD_EIM_DA10__IPU1_DI1_PIN15 | MUX_PAD_CTRL(OUTPUT_RGB), 542 MX6_PAD_EIM_DA11__IPU1_DI1_PIN02 | MUX_PAD_CTRL(OUTPUT_RGB), 543 MX6_PAD_EIM_DA12__IPU1_DI1_PIN03 | MUX_PAD_CTRL(OUTPUT_RGB), 544 MX6_PAD_EIM_DA9__IPU1_DISP1_DATA00 | MUX_PAD_CTRL(OUTPUT_RGB), 545 MX6_PAD_EIM_DA8__IPU1_DISP1_DATA01 | MUX_PAD_CTRL(OUTPUT_RGB), 546 MX6_PAD_EIM_DA7__IPU1_DISP1_DATA02 | MUX_PAD_CTRL(OUTPUT_RGB), 547 MX6_PAD_EIM_DA6__IPU1_DISP1_DATA03 | MUX_PAD_CTRL(OUTPUT_RGB), 548 MX6_PAD_EIM_DA5__IPU1_DISP1_DATA04 | MUX_PAD_CTRL(OUTPUT_RGB), 549 MX6_PAD_EIM_DA4__IPU1_DISP1_DATA05 | MUX_PAD_CTRL(OUTPUT_RGB), 550 MX6_PAD_EIM_DA3__IPU1_DISP1_DATA06 | MUX_PAD_CTRL(OUTPUT_RGB), 551 MX6_PAD_EIM_DA2__IPU1_DISP1_DATA07 | MUX_PAD_CTRL(OUTPUT_RGB), 552 MX6_PAD_EIM_DA1__IPU1_DISP1_DATA08 | MUX_PAD_CTRL(OUTPUT_RGB), 553 MX6_PAD_EIM_DA0__IPU1_DISP1_DATA09 | MUX_PAD_CTRL(OUTPUT_RGB), 554 MX6_PAD_EIM_EB1__IPU1_DISP1_DATA10 | MUX_PAD_CTRL(OUTPUT_RGB), 555 MX6_PAD_EIM_EB0__IPU1_DISP1_DATA11 | MUX_PAD_CTRL(OUTPUT_RGB), 556 MX6_PAD_EIM_A17__IPU1_DISP1_DATA12 | MUX_PAD_CTRL(OUTPUT_RGB), 557 MX6_PAD_EIM_A18__IPU1_DISP1_DATA13 | MUX_PAD_CTRL(OUTPUT_RGB), 558 MX6_PAD_EIM_A19__IPU1_DISP1_DATA14 | MUX_PAD_CTRL(OUTPUT_RGB), 559 MX6_PAD_EIM_A20__IPU1_DISP1_DATA15 | MUX_PAD_CTRL(OUTPUT_RGB), 560 MX6_PAD_EIM_A21__IPU1_DISP1_DATA16 | MUX_PAD_CTRL(OUTPUT_RGB), 561 MX6_PAD_EIM_A22__IPU1_DISP1_DATA17 | MUX_PAD_CTRL(OUTPUT_RGB), 562 MX6_PAD_EIM_A23__IPU1_DISP1_DATA18 | MUX_PAD_CTRL(OUTPUT_RGB), 563 MX6_PAD_EIM_A24__IPU1_DISP1_DATA19 | MUX_PAD_CTRL(OUTPUT_RGB), 564 MX6_PAD_EIM_D26__IPU1_DISP1_DATA22 | MUX_PAD_CTRL(OUTPUT_RGB), 565 MX6_PAD_EIM_D27__IPU1_DISP1_DATA23 | MUX_PAD_CTRL(OUTPUT_RGB), 566 MX6_PAD_EIM_D30__IPU1_DISP1_DATA21 | MUX_PAD_CTRL(OUTPUT_RGB), 567 MX6_PAD_EIM_D31__IPU1_DISP1_DATA20 | MUX_PAD_CTRL(OUTPUT_RGB), 568 }; 569 570 static void do_enable_hdmi(struct display_info_t const *dev) 571 { 572 imx_enable_hdmi_phy(); 573 } 574 575 static int detect_i2c(struct display_info_t const *dev) 576 { 577 return (0 == i2c_set_bus_num(dev->bus)) && 578 (0 == i2c_probe(dev->addr)); 579 } 580 581 static void enable_lvds(struct display_info_t const *dev) 582 { 583 struct iomuxc *iomux = (struct iomuxc *) 584 IOMUXC_BASE_ADDR; 585 u32 reg = readl(&iomux->gpr[2]); 586 reg |= IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT; 587 writel(reg, &iomux->gpr[2]); 588 gpio_direction_output(RGB_BACKLIGHT_GP, 1); 589 gpio_direction_output(RGB_BACKLIGHTPWM_GP, 0); 590 gpio_direction_output(RGB_BACKLIGHTPWM_OE, 0); 591 } 592 593 static void enable_rgb(struct display_info_t const *dev) 594 { 595 imx_iomux_v3_setup_multiple_pads( 596 rgb_pads, 597 ARRAY_SIZE(rgb_pads)); 598 gpio_direction_output(RGB_BACKLIGHT_GP, 1); 599 gpio_direction_output(RGB_BACKLIGHTPWM_GP, 0); 600 gpio_direction_output(RGB_BACKLIGHTPWM_OE, 0); 601 } 602 603 static int detect_default(struct display_info_t const *dev) 604 { 605 (void) dev; 606 return 1; 607 } 608 609 struct display_info_t const displays[] = {{ 610 .bus = -1, 611 .addr = 0, 612 .pixfmt = IPU_PIX_FMT_RGB24, 613 .detect = detect_hdmi, 614 .enable = do_enable_hdmi, 615 .mode = { 616 .name = "HDMI", 617 .refresh = 60, 618 .xres = 1024, 619 .yres = 768, 620 .pixclock = 15385, 621 .left_margin = 220, 622 .right_margin = 40, 623 .upper_margin = 21, 624 .lower_margin = 7, 625 .hsync_len = 60, 626 .vsync_len = 10, 627 .sync = FB_SYNC_EXT, 628 .vmode = FB_VMODE_NONINTERLACED 629 } }, { 630 .bus = -1, 631 .addr = 0, 632 .di = 1, 633 .pixfmt = IPU_PIX_FMT_RGB24, 634 .detect = detect_default, 635 .enable = enable_rgb, 636 .mode = { 637 .name = "vga-rgb", 638 .refresh = 60, 639 .xres = 640, 640 .yres = 480, 641 .pixclock = 33000, 642 .left_margin = 48, 643 .right_margin = 16, 644 .upper_margin = 31, 645 .lower_margin = 11, 646 .hsync_len = 96, 647 .vsync_len = 2, 648 .sync = 0, 649 .vmode = FB_VMODE_NONINTERLACED 650 } }, { 651 .bus = -1, 652 .addr = 0, 653 .di = 1, 654 .pixfmt = IPU_PIX_FMT_RGB24, 655 .enable = enable_rgb, 656 .mode = { 657 .name = "wvga-rgb", 658 .refresh = 60, 659 .xres = 800, 660 .yres = 480, 661 .pixclock = 25000, 662 .left_margin = 40, 663 .right_margin = 88, 664 .upper_margin = 33, 665 .lower_margin = 10, 666 .hsync_len = 128, 667 .vsync_len = 2, 668 .sync = 0, 669 .vmode = FB_VMODE_NONINTERLACED 670 } }, { 671 .bus = -1, 672 .addr = 0, 673 .pixfmt = IPU_PIX_FMT_LVDS666, 674 .detect = detect_i2c, 675 .enable = enable_lvds, 676 .mode = { 677 .name = "wsvga-lvds", 678 .refresh = 60, 679 .xres = 1024, 680 .yres = 600, 681 .pixclock = 15385, 682 .left_margin = 220, 683 .right_margin = 40, 684 .upper_margin = 21, 685 .lower_margin = 7, 686 .hsync_len = 60, 687 .vsync_len = 10, 688 .sync = FB_SYNC_EXT, 689 .vmode = FB_VMODE_NONINTERLACED 690 } } }; 691 size_t display_count = ARRAY_SIZE(displays); 692 693 static void setup_display(void) 694 { 695 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; 696 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; 697 int reg; 698 699 enable_ipu_clock(); 700 imx_setup_hdmi(); 701 /* Turn on LDB0,IPU,IPU DI0 clocks */ 702 reg = __raw_readl(&mxc_ccm->CCGR3); 703 reg |= MXC_CCM_CCGR3_LDB_DI0_MASK; 704 writel(reg, &mxc_ccm->CCGR3); 705 706 /* set LDB0, LDB1 clk select to 011/011 */ 707 reg = readl(&mxc_ccm->cs2cdr); 708 reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK 709 |MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK); 710 reg |= (3<<MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET) 711 |(3<<MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET); 712 writel(reg, &mxc_ccm->cs2cdr); 713 714 reg = readl(&mxc_ccm->cscmr2); 715 reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV; 716 writel(reg, &mxc_ccm->cscmr2); 717 718 reg = readl(&mxc_ccm->chsccdr); 719 reg |= (CHSCCDR_CLK_SEL_LDB_DI0 720 <<MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET); 721 writel(reg, &mxc_ccm->chsccdr); 722 723 reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES 724 |IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH 725 |IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW 726 |IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG 727 |IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT 728 |IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG 729 |IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT 730 |IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED 731 |IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0; 732 writel(reg, &iomux->gpr[2]); 733 734 reg = readl(&iomux->gpr[3]); 735 reg = (reg & ~(IOMUXC_GPR3_LVDS0_MUX_CTL_MASK 736 |IOMUXC_GPR3_HDMI_MUX_CTL_MASK)) 737 | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 738 <<IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET); 739 writel(reg, &iomux->gpr[3]); 740 741 /* backlight unconditionally on for now */ 742 imx_iomux_v3_setup_multiple_pads(backlight_pads, 743 ARRAY_SIZE(backlight_pads)); 744 /* use 0 for EDT 7", use 1 for LG fullHD panel */ 745 gpio_direction_output(RGB_BACKLIGHTPWM_GP, 0); 746 gpio_direction_output(RGB_BACKLIGHTPWM_OE, 0); 747 gpio_direction_output(RGB_BACKLIGHT_GP, 1); 748 } 749 #endif /* defined(CONFIG_VIDEO_IPUV3) */ 750 751 int board_early_init_f(void) 752 { 753 imx_iomux_v3_setup_multiple_pads(pwr_intb_pads, 754 ARRAY_SIZE(pwr_intb_pads)); 755 #ifndef CONFIG_TDX_APALIS_IMX6_V1_0 756 setup_iomux_dte_uart(); 757 #else 758 setup_iomux_dce_uart(); 759 #endif 760 return 0; 761 } 762 763 /* 764 * Do not overwrite the console 765 * Use always serial for U-Boot console 766 */ 767 int overwrite_console(void) 768 { 769 return 1; 770 } 771 772 int board_init(void) 773 { 774 /* address of boot parameters */ 775 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; 776 777 setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); 778 setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info_loc); 779 setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3); 780 781 #if defined(CONFIG_VIDEO_IPUV3) 782 setup_display(); 783 #endif 784 785 #ifdef CONFIG_TDX_CMD_IMX_MFGR 786 (void) pmic_init(); 787 #endif 788 789 #ifdef CONFIG_SATA 790 setup_sata(); 791 #endif 792 793 setup_iomux_gpio(); 794 795 return 0; 796 } 797 798 #ifdef CONFIG_BOARD_LATE_INIT 799 int board_late_init(void) 800 { 801 #if defined(CONFIG_REVISION_TAG) && \ 802 defined(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG) 803 char env_str[256]; 804 u32 rev; 805 806 rev = get_board_rev(); 807 snprintf(env_str, ARRAY_SIZE(env_str), "%.4x", rev); 808 env_set("board_rev", env_str); 809 810 #ifndef CONFIG_TDX_APALIS_IMX6_V1_0 811 if ((rev & 0xfff0) == 0x0100) { 812 char *fdt_env; 813 814 /* reconfigure the UART to DCE mode dynamically if on V1.0 HW */ 815 setup_iomux_dce_uart(); 816 817 /* if using the default device tree, use version for V1.0 HW */ 818 fdt_env = env_get("fdt_file"); 819 if ((fdt_env != NULL) && (strcmp(FDT_FILE, fdt_env) == 0)) { 820 env_set("fdt_file", FDT_FILE_V1_0); 821 printf("patching fdt_file to " FDT_FILE_V1_0 "\n"); 822 #ifndef CONFIG_ENV_IS_NOWHERE 823 env_save(); 824 #endif 825 } 826 } 827 #endif /* CONFIG_TDX_APALIS_IMX6_V1_0 */ 828 #endif /* CONFIG_REVISION_TAG */ 829 830 return 0; 831 } 832 #endif /* CONFIG_BOARD_LATE_INIT */ 833 834 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_SYSTEM_SETUP) 835 int ft_system_setup(void *blob, bd_t *bd) 836 { 837 return 0; 838 } 839 #endif 840 841 int checkboard(void) 842 { 843 char it[] = " IT"; 844 int minc, maxc; 845 846 switch (get_cpu_temp_grade(&minc, &maxc)) { 847 case TEMP_AUTOMOTIVE: 848 case TEMP_INDUSTRIAL: 849 break; 850 case TEMP_EXTCOMMERCIAL: 851 default: 852 it[0] = 0; 853 }; 854 printf("Model: Toradex Apalis iMX6 %s %s%s\n", 855 is_cpu_type(MXC_CPU_MX6D) ? "Dual" : "Quad", 856 (gd->ram_size == 0x80000000) ? "2GB" : 857 (gd->ram_size == 0x40000000) ? "1GB" : "512MB", it); 858 return 0; 859 } 860 861 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) 862 int ft_board_setup(void *blob, bd_t *bd) 863 { 864 return ft_common_board_setup(blob, bd); 865 } 866 #endif 867 868 #ifdef CONFIG_CMD_BMODE 869 static const struct boot_mode board_boot_modes[] = { 870 /* 4-bit bus width */ 871 {"mmc", MAKE_CFGVAL(0x40, 0x20, 0x00, 0x00)}, 872 {"sd", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)}, 873 {NULL, 0}, 874 }; 875 #endif 876 877 int misc_init_r(void) 878 { 879 #ifdef CONFIG_CMD_BMODE 880 add_board_boot_modes(board_boot_modes); 881 #endif 882 return 0; 883 } 884 885 #ifdef CONFIG_LDO_BYPASS_CHECK 886 /* TODO, use external pmic, for now always ldo_enable */ 887 void ldo_mode_set(int ldo_bypass) 888 { 889 return; 890 } 891 #endif 892 893 #ifdef CONFIG_SPL_BUILD 894 #include <spl.h> 895 #include <libfdt.h> 896 #include "asm/arch/mx6q-ddr.h" 897 #include "asm/arch/iomux.h" 898 #include "asm/arch/crm_regs.h" 899 900 static int mx6_com_dcd_table[] = { 901 /* ddr-setup.cfg */ 902 MX6_IOM_DRAM_SDQS0, 0x00000030, 903 MX6_IOM_DRAM_SDQS1, 0x00000030, 904 MX6_IOM_DRAM_SDQS2, 0x00000030, 905 MX6_IOM_DRAM_SDQS3, 0x00000030, 906 MX6_IOM_DRAM_SDQS4, 0x00000030, 907 MX6_IOM_DRAM_SDQS5, 0x00000030, 908 MX6_IOM_DRAM_SDQS6, 0x00000030, 909 MX6_IOM_DRAM_SDQS7, 0x00000030, 910 911 MX6_IOM_GRP_B0DS, 0x00000030, 912 MX6_IOM_GRP_B1DS, 0x00000030, 913 MX6_IOM_GRP_B2DS, 0x00000030, 914 MX6_IOM_GRP_B3DS, 0x00000030, 915 MX6_IOM_GRP_B4DS, 0x00000030, 916 MX6_IOM_GRP_B5DS, 0x00000030, 917 MX6_IOM_GRP_B6DS, 0x00000030, 918 MX6_IOM_GRP_B7DS, 0x00000030, 919 MX6_IOM_GRP_ADDDS, 0x00000030, 920 /* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */ 921 MX6_IOM_GRP_CTLDS, 0x00000030, 922 923 MX6_IOM_DRAM_DQM0, 0x00020030, 924 MX6_IOM_DRAM_DQM1, 0x00020030, 925 MX6_IOM_DRAM_DQM2, 0x00020030, 926 MX6_IOM_DRAM_DQM3, 0x00020030, 927 MX6_IOM_DRAM_DQM4, 0x00020030, 928 MX6_IOM_DRAM_DQM5, 0x00020030, 929 MX6_IOM_DRAM_DQM6, 0x00020030, 930 MX6_IOM_DRAM_DQM7, 0x00020030, 931 932 MX6_IOM_DRAM_CAS, 0x00020030, 933 MX6_IOM_DRAM_RAS, 0x00020030, 934 MX6_IOM_DRAM_SDCLK_0, 0x00020030, 935 MX6_IOM_DRAM_SDCLK_1, 0x00020030, 936 937 MX6_IOM_DRAM_RESET, 0x00020030, 938 MX6_IOM_DRAM_SDCKE0, 0x00003000, 939 MX6_IOM_DRAM_SDCKE1, 0x00003000, 940 941 MX6_IOM_DRAM_SDODT0, 0x00003030, 942 MX6_IOM_DRAM_SDODT1, 0x00003030, 943 944 /* (differential input) */ 945 MX6_IOM_DDRMODE_CTL, 0x00020000, 946 /* (differential input) */ 947 MX6_IOM_GRP_DDRMODE, 0x00020000, 948 /* disable ddr pullups */ 949 MX6_IOM_GRP_DDRPKE, 0x00000000, 950 MX6_IOM_DRAM_SDBA2, 0x00000000, 951 /* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */ 952 MX6_IOM_GRP_DDR_TYPE, 0x000C0000, 953 954 /* Read data DQ Byte0-3 delay */ 955 MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333, 956 MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333, 957 MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333, 958 MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333, 959 MX6_MMDC_P1_MPRDDQBY0DL, 0x33333333, 960 MX6_MMDC_P1_MPRDDQBY1DL, 0x33333333, 961 MX6_MMDC_P1_MPRDDQBY2DL, 0x33333333, 962 MX6_MMDC_P1_MPRDDQBY3DL, 0x33333333, 963 964 /* 965 * MDMISC mirroring interleaved (row/bank/col) 966 */ 967 MX6_MMDC_P0_MDMISC, 0x00081740, 968 969 /* 970 * MDSCR con_req 971 */ 972 MX6_MMDC_P0_MDSCR, 0x00008000, 973 974 /* 1066mhz_4x128mx16.cfg */ 975 976 MX6_MMDC_P0_MDPDC, 0x00020036, 977 MX6_MMDC_P0_MDCFG0, 0x555A7954, 978 MX6_MMDC_P0_MDCFG1, 0xDB328F64, 979 MX6_MMDC_P0_MDCFG2, 0x01FF00DB, 980 MX6_MMDC_P0_MDRWD, 0x000026D2, 981 MX6_MMDC_P0_MDOR, 0x005A1023, 982 MX6_MMDC_P0_MDOTC, 0x09555050, 983 MX6_MMDC_P0_MDPDC, 0x00025576, 984 MX6_MMDC_P0_MDASP, 0x00000027, 985 MX6_MMDC_P0_MDCTL, 0x831A0000, 986 MX6_MMDC_P0_MDSCR, 0x04088032, 987 MX6_MMDC_P0_MDSCR, 0x00008033, 988 MX6_MMDC_P0_MDSCR, 0x00428031, 989 MX6_MMDC_P0_MDSCR, 0x19308030, 990 MX6_MMDC_P0_MDSCR, 0x04008040, 991 MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003, 992 MX6_MMDC_P1_MPZQHWCTRL, 0xA1390003, 993 MX6_MMDC_P0_MDREF, 0x00005800, 994 MX6_MMDC_P0_MPODTCTRL, 0x00000000, 995 MX6_MMDC_P1_MPODTCTRL, 0x00000000, 996 997 MX6_MMDC_P0_MPDGCTRL0, 0x432A0338, 998 MX6_MMDC_P0_MPDGCTRL1, 0x03260324, 999 MX6_MMDC_P1_MPDGCTRL0, 0x43340344, 1000 MX6_MMDC_P1_MPDGCTRL1, 0x031E027C, 1001 1002 MX6_MMDC_P0_MPRDDLCTL, 0x33272D2E, 1003 MX6_MMDC_P1_MPRDDLCTL, 0x2F312B37, 1004 1005 MX6_MMDC_P0_MPWRDLCTL, 0x3A35433C, 1006 MX6_MMDC_P1_MPWRDLCTL, 0x4336453F, 1007 1008 MX6_MMDC_P0_MPWLDECTRL0, 0x0009000E, 1009 MX6_MMDC_P0_MPWLDECTRL1, 0x0018000B, 1010 MX6_MMDC_P1_MPWLDECTRL0, 0x00060015, 1011 MX6_MMDC_P1_MPWLDECTRL1, 0x0006000E, 1012 1013 MX6_MMDC_P0_MPMUR0, 0x00000800, 1014 MX6_MMDC_P1_MPMUR0, 0x00000800, 1015 MX6_MMDC_P0_MDSCR, 0x00000000, 1016 MX6_MMDC_P0_MAPSR, 0x00011006, 1017 }; 1018 1019 static int mx6_it_dcd_table[] = { 1020 /* ddr-setup.cfg */ 1021 MX6_IOM_DRAM_SDQS0, 0x00000030, 1022 MX6_IOM_DRAM_SDQS1, 0x00000030, 1023 MX6_IOM_DRAM_SDQS2, 0x00000030, 1024 MX6_IOM_DRAM_SDQS3, 0x00000030, 1025 MX6_IOM_DRAM_SDQS4, 0x00000030, 1026 MX6_IOM_DRAM_SDQS5, 0x00000030, 1027 MX6_IOM_DRAM_SDQS6, 0x00000030, 1028 MX6_IOM_DRAM_SDQS7, 0x00000030, 1029 1030 MX6_IOM_GRP_B0DS, 0x00000030, 1031 MX6_IOM_GRP_B1DS, 0x00000030, 1032 MX6_IOM_GRP_B2DS, 0x00000030, 1033 MX6_IOM_GRP_B3DS, 0x00000030, 1034 MX6_IOM_GRP_B4DS, 0x00000030, 1035 MX6_IOM_GRP_B5DS, 0x00000030, 1036 MX6_IOM_GRP_B6DS, 0x00000030, 1037 MX6_IOM_GRP_B7DS, 0x00000030, 1038 MX6_IOM_GRP_ADDDS, 0x00000030, 1039 /* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */ 1040 MX6_IOM_GRP_CTLDS, 0x00000030, 1041 1042 MX6_IOM_DRAM_DQM0, 0x00020030, 1043 MX6_IOM_DRAM_DQM1, 0x00020030, 1044 MX6_IOM_DRAM_DQM2, 0x00020030, 1045 MX6_IOM_DRAM_DQM3, 0x00020030, 1046 MX6_IOM_DRAM_DQM4, 0x00020030, 1047 MX6_IOM_DRAM_DQM5, 0x00020030, 1048 MX6_IOM_DRAM_DQM6, 0x00020030, 1049 MX6_IOM_DRAM_DQM7, 0x00020030, 1050 1051 MX6_IOM_DRAM_CAS, 0x00020030, 1052 MX6_IOM_DRAM_RAS, 0x00020030, 1053 MX6_IOM_DRAM_SDCLK_0, 0x00020030, 1054 MX6_IOM_DRAM_SDCLK_1, 0x00020030, 1055 1056 MX6_IOM_DRAM_RESET, 0x00020030, 1057 MX6_IOM_DRAM_SDCKE0, 0x00003000, 1058 MX6_IOM_DRAM_SDCKE1, 0x00003000, 1059 1060 MX6_IOM_DRAM_SDODT0, 0x00003030, 1061 MX6_IOM_DRAM_SDODT1, 0x00003030, 1062 1063 /* (differential input) */ 1064 MX6_IOM_DDRMODE_CTL, 0x00020000, 1065 /* (differential input) */ 1066 MX6_IOM_GRP_DDRMODE, 0x00020000, 1067 /* disable ddr pullups */ 1068 MX6_IOM_GRP_DDRPKE, 0x00000000, 1069 MX6_IOM_DRAM_SDBA2, 0x00000000, 1070 /* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */ 1071 MX6_IOM_GRP_DDR_TYPE, 0x000C0000, 1072 1073 /* Read data DQ Byte0-3 delay */ 1074 MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333, 1075 MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333, 1076 MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333, 1077 MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333, 1078 MX6_MMDC_P1_MPRDDQBY0DL, 0x33333333, 1079 MX6_MMDC_P1_MPRDDQBY1DL, 0x33333333, 1080 MX6_MMDC_P1_MPRDDQBY2DL, 0x33333333, 1081 MX6_MMDC_P1_MPRDDQBY3DL, 0x33333333, 1082 1083 /* 1084 * MDMISC mirroring interleaved (row/bank/col) 1085 */ 1086 MX6_MMDC_P0_MDMISC, 0x00081740, 1087 1088 /* 1089 * MDSCR con_req 1090 */ 1091 MX6_MMDC_P0_MDSCR, 0x00008000, 1092 1093 /* 1066mhz_4x256mx16.cfg */ 1094 1095 MX6_MMDC_P0_MDPDC, 0x00020036, 1096 MX6_MMDC_P0_MDCFG0, 0x898E78f5, 1097 MX6_MMDC_P0_MDCFG1, 0xff328f64, 1098 MX6_MMDC_P0_MDCFG2, 0x01FF00DB, 1099 MX6_MMDC_P0_MDRWD, 0x000026D2, 1100 MX6_MMDC_P0_MDOR, 0x008E1023, 1101 MX6_MMDC_P0_MDOTC, 0x09444040, 1102 MX6_MMDC_P0_MDPDC, 0x00025576, 1103 MX6_MMDC_P0_MDASP, 0x00000047, 1104 MX6_MMDC_P0_MDCTL, 0x841A0000, 1105 MX6_MMDC_P0_MDSCR, 0x02888032, 1106 MX6_MMDC_P0_MDSCR, 0x00008033, 1107 MX6_MMDC_P0_MDSCR, 0x00048031, 1108 MX6_MMDC_P0_MDSCR, 0x19408030, 1109 MX6_MMDC_P0_MDSCR, 0x04008040, 1110 MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003, 1111 MX6_MMDC_P1_MPZQHWCTRL, 0xA1390003, 1112 MX6_MMDC_P0_MDREF, 0x00007800, 1113 MX6_MMDC_P0_MPODTCTRL, 0x00022227, 1114 MX6_MMDC_P1_MPODTCTRL, 0x00022227, 1115 1116 MX6_MMDC_P0_MPDGCTRL0, 0x03300338, 1117 MX6_MMDC_P0_MPDGCTRL1, 0x03240324, 1118 MX6_MMDC_P1_MPDGCTRL0, 0x03440350, 1119 MX6_MMDC_P1_MPDGCTRL1, 0x032C0308, 1120 1121 MX6_MMDC_P0_MPRDDLCTL, 0x40363C3E, 1122 MX6_MMDC_P1_MPRDDLCTL, 0x3C3E3C46, 1123 1124 MX6_MMDC_P0_MPWRDLCTL, 0x403E463E, 1125 MX6_MMDC_P1_MPWRDLCTL, 0x4A384C46, 1126 1127 MX6_MMDC_P0_MPWLDECTRL0, 0x0009000E, 1128 MX6_MMDC_P0_MPWLDECTRL1, 0x0018000B, 1129 MX6_MMDC_P1_MPWLDECTRL0, 0x00060015, 1130 MX6_MMDC_P1_MPWLDECTRL1, 0x0006000E, 1131 1132 MX6_MMDC_P0_MPMUR0, 0x00000800, 1133 MX6_MMDC_P1_MPMUR0, 0x00000800, 1134 MX6_MMDC_P0_MDSCR, 0x00000000, 1135 MX6_MMDC_P0_MAPSR, 0x00011006, 1136 }; 1137 1138 1139 static void ccgr_init(void) 1140 { 1141 struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; 1142 1143 writel(0x00C03F3F, &ccm->CCGR0); 1144 writel(0x0030FC03, &ccm->CCGR1); 1145 writel(0x0FFFFFF3, &ccm->CCGR2); 1146 writel(0x3FF0300F, &ccm->CCGR3); 1147 writel(0x00FFF300, &ccm->CCGR4); 1148 writel(0x0F0000F3, &ccm->CCGR5); 1149 writel(0x000003FF, &ccm->CCGR6); 1150 1151 /* 1152 * Setup CCM_CCOSR register as follows: 1153 * 1154 * cko1_en = 1 --> CKO1 enabled 1155 * cko1_div = 111 --> divide by 8 1156 * cko1_sel = 1011 --> ahb_clk_root 1157 * 1158 * This sets CKO1 at ahb_clk_root/8 = 132/8 = 16.5 MHz 1159 */ 1160 writel(0x000000FB, &ccm->ccosr); 1161 } 1162 1163 static void ddr_init(int *table, int size) 1164 { 1165 int i; 1166 1167 for (i = 0; i < size / 2 ; i++) 1168 writel(table[2 * i + 1], table[2 * i]); 1169 } 1170 1171 static void spl_dram_init(void) 1172 { 1173 int minc, maxc; 1174 1175 switch (get_cpu_temp_grade(&minc, &maxc)) { 1176 case TEMP_COMMERCIAL: 1177 case TEMP_EXTCOMMERCIAL: 1178 puts("Commercial temperature grade DDR3 timings.\n"); 1179 ddr_init(mx6_com_dcd_table, ARRAY_SIZE(mx6_com_dcd_table)); 1180 break; 1181 case TEMP_INDUSTRIAL: 1182 case TEMP_AUTOMOTIVE: 1183 default: 1184 puts("Industrial temperature grade DDR3 timings.\n"); 1185 ddr_init(mx6_it_dcd_table, ARRAY_SIZE(mx6_it_dcd_table)); 1186 break; 1187 }; 1188 udelay(100); 1189 } 1190 1191 void board_init_f(ulong dummy) 1192 { 1193 /* setup AIPS and disable watchdog */ 1194 arch_cpu_init(); 1195 1196 ccgr_init(); 1197 gpr_init(); 1198 1199 /* iomux and setup of i2c */ 1200 board_early_init_f(); 1201 1202 /* setup GP timer */ 1203 timer_init(); 1204 1205 /* UART clocks enabled and gd valid - init serial console */ 1206 preloader_console_init(); 1207 1208 #ifndef CONFIG_TDX_APALIS_IMX6_V1_0 1209 /* Make sure we use dte mode */ 1210 setup_dtemode_uart(); 1211 #endif 1212 1213 /* DDR initialization */ 1214 spl_dram_init(); 1215 1216 /* Clear the BSS. */ 1217 memset(__bss_start, 0, __bss_end - __bss_start); 1218 1219 /* load/boot image from boot device */ 1220 board_init_r(NULL, 0); 1221 } 1222 1223 void reset_cpu(ulong addr) 1224 { 1225 } 1226 1227 #endif 1228 1229 static struct mxc_serial_platdata mxc_serial_plat = { 1230 .reg = (struct mxc_uart *)UART1_BASE, 1231 .use_dte = true, 1232 }; 1233 1234 U_BOOT_DEVICE(mxc_serial) = { 1235 .name = "serial_mxc", 1236 .platdata = &mxc_serial_plat, 1237 }; 1238