1 /* 2 * Copyright (C) 2014 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/crm_regs.h> 11 #include <asm/arch/iomux.h> 12 #include <asm/arch/imx-regs.h> 13 #include <asm/arch/mx6-pins.h> 14 #include <asm/arch/sys_proto.h> 15 #include <asm/gpio.h> 16 #include <asm/imx-common/iomux-v3.h> 17 #include <asm/io.h> 18 #include <asm/imx-common/mxc_i2c.h> 19 #include <linux/sizes.h> 20 #include <common.h> 21 #include <fsl_esdhc.h> 22 #include <mmc.h> 23 #include <i2c.h> 24 #include <miiphy.h> 25 #include <netdev.h> 26 #include <power/pmic.h> 27 #include <power/pfuze100_pmic.h> 28 #include "../common/pfuze.h" 29 #include <usb.h> 30 #include <usb/ehci-ci.h> 31 32 DECLARE_GLOBAL_DATA_PTR; 33 34 #define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ 35 PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ 36 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) 37 38 #define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ 39 PAD_CTL_PUS_22K_UP | PAD_CTL_SPEED_LOW | \ 40 PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) 41 42 #define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ 43 PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ 44 PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ 45 PAD_CTL_ODE) 46 47 #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ 48 PAD_CTL_SPEED_HIGH | \ 49 PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST) 50 51 #define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \ 52 PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST) 53 54 #define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ 55 PAD_CTL_SPEED_HIGH | PAD_CTL_SRE_FAST) 56 57 #define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ 58 PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ 59 PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ 60 PAD_CTL_ODE) 61 62 #define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ 63 PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm) 64 65 int dram_init(void) 66 { 67 gd->ram_size = imx_ddr_size(); 68 69 return 0; 70 } 71 72 static iomux_v3_cfg_t const uart1_pads[] = { 73 MX6_PAD_GPIO1_IO04__UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL), 74 MX6_PAD_GPIO1_IO05__UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL), 75 }; 76 77 static iomux_v3_cfg_t const usdhc2_pads[] = { 78 MX6_PAD_SD2_CLK__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), 79 MX6_PAD_SD2_CMD__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), 80 MX6_PAD_SD2_DATA0__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 81 MX6_PAD_SD2_DATA1__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 82 MX6_PAD_SD2_DATA2__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 83 MX6_PAD_SD2_DATA3__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 84 }; 85 86 static iomux_v3_cfg_t const usdhc3_pads[] = { 87 MX6_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), 88 MX6_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), 89 MX6_PAD_SD3_DATA0__USDHC3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 90 MX6_PAD_SD3_DATA1__USDHC3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 91 MX6_PAD_SD3_DATA2__USDHC3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 92 MX6_PAD_SD3_DATA3__USDHC3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 93 MX6_PAD_SD3_DATA4__USDHC3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 94 MX6_PAD_SD3_DATA5__USDHC3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 95 MX6_PAD_SD3_DATA6__USDHC3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 96 MX6_PAD_SD3_DATA7__USDHC3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 97 98 /* CD pin */ 99 MX6_PAD_KEY_COL0__GPIO2_IO_10 | MUX_PAD_CTRL(NO_PAD_CTRL), 100 101 /* RST_B, used for power reset cycle */ 102 MX6_PAD_KEY_COL1__GPIO2_IO_11 | MUX_PAD_CTRL(NO_PAD_CTRL), 103 }; 104 105 static iomux_v3_cfg_t const usdhc4_pads[] = { 106 MX6_PAD_SD4_CLK__USDHC4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), 107 MX6_PAD_SD4_CMD__USDHC4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), 108 MX6_PAD_SD4_DATA0__USDHC4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 109 MX6_PAD_SD4_DATA1__USDHC4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 110 MX6_PAD_SD4_DATA2__USDHC4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 111 MX6_PAD_SD4_DATA3__USDHC4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 112 MX6_PAD_SD4_DATA7__GPIO6_IO_21 | MUX_PAD_CTRL(NO_PAD_CTRL), 113 }; 114 115 static iomux_v3_cfg_t const fec1_pads[] = { 116 MX6_PAD_ENET1_MDC__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), 117 MX6_PAD_ENET1_MDIO__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), 118 MX6_PAD_RGMII1_RX_CTL__ENET1_RX_EN | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), 119 MX6_PAD_RGMII1_RD0__ENET1_RX_DATA_0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), 120 MX6_PAD_RGMII1_RD1__ENET1_RX_DATA_1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), 121 MX6_PAD_RGMII1_RD2__ENET1_RX_DATA_2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), 122 MX6_PAD_RGMII1_RD3__ENET1_RX_DATA_3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), 123 MX6_PAD_RGMII1_RXC__ENET1_RX_CLK | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), 124 MX6_PAD_RGMII1_TX_CTL__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), 125 MX6_PAD_RGMII1_TD0__ENET1_TX_DATA_0 | MUX_PAD_CTRL(ENET_PAD_CTRL), 126 MX6_PAD_RGMII1_TD1__ENET1_TX_DATA_1 | MUX_PAD_CTRL(ENET_PAD_CTRL), 127 MX6_PAD_RGMII1_TD2__ENET1_TX_DATA_2 | MUX_PAD_CTRL(ENET_PAD_CTRL), 128 MX6_PAD_RGMII1_TD3__ENET1_TX_DATA_3 | MUX_PAD_CTRL(ENET_PAD_CTRL), 129 MX6_PAD_RGMII1_TXC__ENET1_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), 130 }; 131 132 static iomux_v3_cfg_t const peri_3v3_pads[] = { 133 MX6_PAD_QSPI1A_DATA0__GPIO4_IO_16 | MUX_PAD_CTRL(NO_PAD_CTRL), 134 }; 135 136 static iomux_v3_cfg_t const phy_control_pads[] = { 137 /* 25MHz Ethernet PHY Clock */ 138 MX6_PAD_ENET2_RX_CLK__ENET2_REF_CLK_25M | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL), 139 140 /* ENET PHY Power */ 141 MX6_PAD_ENET2_COL__GPIO2_IO_6 | MUX_PAD_CTRL(NO_PAD_CTRL), 142 143 /* AR8031 PHY Reset */ 144 MX6_PAD_ENET2_CRS__GPIO2_IO_7 | MUX_PAD_CTRL(NO_PAD_CTRL), 145 }; 146 147 static void setup_iomux_uart(void) 148 { 149 imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); 150 } 151 152 static int setup_fec(void) 153 { 154 struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; 155 struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR; 156 int reg, ret; 157 158 /* Use 125MHz anatop loopback REF_CLK1 for ENET1 */ 159 clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK, 0); 160 161 ret = enable_fec_anatop_clock(0, ENET_125MHZ); 162 if (ret) 163 return ret; 164 165 imx_iomux_v3_setup_multiple_pads(phy_control_pads, 166 ARRAY_SIZE(phy_control_pads)); 167 168 /* Enable the ENET power, active low */ 169 gpio_direction_output(IMX_GPIO_NR(2, 6) , 0); 170 171 /* Reset AR8031 PHY */ 172 gpio_direction_output(IMX_GPIO_NR(2, 7) , 0); 173 mdelay(10); 174 gpio_set_value(IMX_GPIO_NR(2, 7), 1); 175 176 reg = readl(&anatop->pll_enet); 177 reg |= BM_ANADIG_PLL_ENET_REF_25M_ENABLE; 178 writel(reg, &anatop->pll_enet); 179 180 return 0; 181 } 182 183 int board_eth_init(bd_t *bis) 184 { 185 imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads)); 186 setup_fec(); 187 188 return cpu_eth_init(bis); 189 } 190 191 #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) 192 /* I2C1 for PMIC */ 193 static struct i2c_pads_info i2c_pad_info1 = { 194 .scl = { 195 .i2c_mode = MX6_PAD_GPIO1_IO00__I2C1_SCL | PC, 196 .gpio_mode = MX6_PAD_GPIO1_IO00__GPIO1_IO_0 | PC, 197 .gp = IMX_GPIO_NR(1, 0), 198 }, 199 .sda = { 200 .i2c_mode = MX6_PAD_GPIO1_IO01__I2C1_SDA | PC, 201 .gpio_mode = MX6_PAD_GPIO1_IO01__GPIO1_IO_1 | PC, 202 .gp = IMX_GPIO_NR(1, 1), 203 }, 204 }; 205 206 int power_init_board(void) 207 { 208 struct pmic *p; 209 unsigned int reg; 210 int ret; 211 212 p = pfuze_common_init(I2C_PMIC); 213 if (!p) 214 return -ENODEV; 215 216 ret = pfuze_mode_init(p, APS_PFM); 217 if (ret < 0) 218 return ret; 219 220 /* Enable power of VGEN5 3V3, needed for SD3 */ 221 pmic_reg_read(p, PFUZE100_VGEN5VOL, ®); 222 reg &= ~LDO_VOL_MASK; 223 reg |= (LDOB_3_30V | (1 << LDO_EN)); 224 pmic_reg_write(p, PFUZE100_VGEN5VOL, reg); 225 226 return 0; 227 } 228 229 #ifdef CONFIG_USB_EHCI_MX6 230 #define USB_OTHERREGS_OFFSET 0x800 231 #define UCTRL_PWR_POL (1 << 9) 232 233 static iomux_v3_cfg_t const usb_otg_pads[] = { 234 /* OGT1 */ 235 MX6_PAD_GPIO1_IO09__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), 236 MX6_PAD_GPIO1_IO10__ANATOP_OTG1_ID | MUX_PAD_CTRL(NO_PAD_CTRL), 237 /* OTG2 */ 238 MX6_PAD_GPIO1_IO12__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL) 239 }; 240 241 static void setup_usb(void) 242 { 243 imx_iomux_v3_setup_multiple_pads(usb_otg_pads, 244 ARRAY_SIZE(usb_otg_pads)); 245 } 246 247 int board_usb_phy_mode(int port) 248 { 249 if (port == 1) 250 return USB_INIT_HOST; 251 else 252 return usb_phy_mode(port); 253 } 254 255 int board_ehci_hcd_init(int port) 256 { 257 u32 *usbnc_usb_ctrl; 258 259 if (port > 1) 260 return -EINVAL; 261 262 usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET + 263 port * 4); 264 265 /* Set Power polarity */ 266 setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL); 267 268 return 0; 269 } 270 #endif 271 272 int board_phy_config(struct phy_device *phydev) 273 { 274 /* 275 * Enable 1.8V(SEL_1P5_1P8_POS_REG) on 276 * Phy control debug reg 0 277 */ 278 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f); 279 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8); 280 281 /* rgmii tx clock delay enable */ 282 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05); 283 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100); 284 285 if (phydev->drv->config) 286 phydev->drv->config(phydev); 287 288 return 0; 289 } 290 291 int board_early_init_f(void) 292 { 293 setup_iomux_uart(); 294 295 /* Enable PERI_3V3, which is used by SD2, ENET, LVDS, BT */ 296 imx_iomux_v3_setup_multiple_pads(peri_3v3_pads, 297 ARRAY_SIZE(peri_3v3_pads)); 298 299 /* Active high for ncp692 */ 300 gpio_direction_output(IMX_GPIO_NR(4, 16) , 1); 301 302 #ifdef CONFIG_USB_EHCI_MX6 303 setup_usb(); 304 #endif 305 306 return 0; 307 } 308 309 static struct fsl_esdhc_cfg usdhc_cfg[3] = { 310 {USDHC2_BASE_ADDR, 0, 4}, 311 {USDHC3_BASE_ADDR}, 312 {USDHC4_BASE_ADDR}, 313 }; 314 315 #define USDHC3_CD_GPIO IMX_GPIO_NR(2, 10) 316 #define USDHC3_PWR_GPIO IMX_GPIO_NR(2, 11) 317 #define USDHC4_CD_GPIO IMX_GPIO_NR(6, 21) 318 319 int board_mmc_get_env_dev(int devno) 320 { 321 return devno - 1; 322 } 323 324 int board_mmc_getcd(struct mmc *mmc) 325 { 326 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; 327 int ret = 0; 328 329 switch (cfg->esdhc_base) { 330 case USDHC2_BASE_ADDR: 331 ret = 1; /* Assume uSDHC2 is always present */ 332 break; 333 case USDHC3_BASE_ADDR: 334 ret = !gpio_get_value(USDHC3_CD_GPIO); 335 break; 336 case USDHC4_BASE_ADDR: 337 ret = !gpio_get_value(USDHC4_CD_GPIO); 338 break; 339 } 340 341 return ret; 342 } 343 344 int board_mmc_init(bd_t *bis) 345 { 346 #ifndef CONFIG_SPL_BUILD 347 int i, ret; 348 349 /* 350 * According to the board_mmc_init() the following map is done: 351 * (U-Boot device node) (Physical Port) 352 * mmc0 USDHC2 353 * mmc1 USDHC3 354 * mmc2 USDHC4 355 */ 356 for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { 357 switch (i) { 358 case 0: 359 imx_iomux_v3_setup_multiple_pads( 360 usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); 361 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); 362 break; 363 case 1: 364 imx_iomux_v3_setup_multiple_pads( 365 usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); 366 gpio_direction_input(USDHC3_CD_GPIO); 367 gpio_direction_output(USDHC3_PWR_GPIO, 1); 368 usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); 369 break; 370 case 2: 371 imx_iomux_v3_setup_multiple_pads( 372 usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); 373 gpio_direction_input(USDHC4_CD_GPIO); 374 usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); 375 break; 376 default: 377 printf("Warning: you configured more USDHC controllers" 378 "(%d) than supported by the board\n", i + 1); 379 return -EINVAL; 380 } 381 382 ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]); 383 if (ret) { 384 printf("Warning: failed to initialize mmc dev %d\n", i); 385 return ret; 386 } 387 } 388 389 return 0; 390 #else 391 struct src *src_regs = (struct src *)SRC_BASE_ADDR; 392 u32 val; 393 u32 port; 394 395 val = readl(&src_regs->sbmr1); 396 397 if ((val & 0xc0) != 0x40) { 398 printf("Not boot from USDHC!\n"); 399 return -EINVAL; 400 } 401 402 port = (val >> 11) & 0x3; 403 printf("port %d\n", port); 404 switch (port) { 405 case 1: 406 imx_iomux_v3_setup_multiple_pads( 407 usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); 408 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); 409 usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR; 410 break; 411 case 2: 412 imx_iomux_v3_setup_multiple_pads( 413 usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); 414 gpio_direction_input(USDHC3_CD_GPIO); 415 gpio_direction_output(USDHC3_PWR_GPIO, 1); 416 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); 417 usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR; 418 break; 419 case 3: 420 imx_iomux_v3_setup_multiple_pads( 421 usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); 422 gpio_direction_input(USDHC4_CD_GPIO); 423 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); 424 usdhc_cfg[0].esdhc_base = USDHC4_BASE_ADDR; 425 break; 426 } 427 428 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; 429 return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); 430 #endif 431 } 432 433 #ifdef CONFIG_FSL_QSPI 434 435 #define QSPI_PAD_CTRL1 \ 436 (PAD_CTL_SRE_FAST | PAD_CTL_SPEED_HIGH | \ 437 PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_40ohm) 438 439 static iomux_v3_cfg_t const quadspi_pads[] = { 440 MX6_PAD_NAND_WP_B__QSPI2_A_DATA_0 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), 441 MX6_PAD_NAND_READY_B__QSPI2_A_DATA_1 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), 442 MX6_PAD_NAND_CE0_B__QSPI2_A_DATA_2 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), 443 MX6_PAD_NAND_CE1_B__QSPI2_A_DATA_3 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), 444 MX6_PAD_NAND_ALE__QSPI2_A_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL1), 445 MX6_PAD_NAND_CLE__QSPI2_A_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1), 446 MX6_PAD_NAND_DATA07__QSPI2_A_DQS | MUX_PAD_CTRL(QSPI_PAD_CTRL1), 447 MX6_PAD_NAND_DATA01__QSPI2_B_DATA_0 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), 448 MX6_PAD_NAND_DATA00__QSPI2_B_DATA_1 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), 449 MX6_PAD_NAND_WE_B__QSPI2_B_DATA_2 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), 450 MX6_PAD_NAND_RE_B__QSPI2_B_DATA_3 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), 451 MX6_PAD_NAND_DATA03__QSPI2_B_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL1), 452 MX6_PAD_NAND_DATA02__QSPI2_B_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1), 453 MX6_PAD_NAND_DATA05__QSPI2_B_DQS | MUX_PAD_CTRL(QSPI_PAD_CTRL1), 454 }; 455 456 int board_qspi_init(void) 457 { 458 /* Set the iomux */ 459 imx_iomux_v3_setup_multiple_pads(quadspi_pads, 460 ARRAY_SIZE(quadspi_pads)); 461 462 /* Set the clock */ 463 enable_qspi_clk(1); 464 465 return 0; 466 } 467 #endif 468 469 #ifdef CONFIG_VIDEO_MXS 470 static iomux_v3_cfg_t const lcd_pads[] = { 471 MX6_PAD_LCD1_CLK__LCDIF1_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL), 472 MX6_PAD_LCD1_ENABLE__LCDIF1_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL), 473 MX6_PAD_LCD1_HSYNC__LCDIF1_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL), 474 MX6_PAD_LCD1_VSYNC__LCDIF1_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL), 475 MX6_PAD_LCD1_DATA00__LCDIF1_DATA_0 | MUX_PAD_CTRL(LCD_PAD_CTRL), 476 MX6_PAD_LCD1_DATA01__LCDIF1_DATA_1 | MUX_PAD_CTRL(LCD_PAD_CTRL), 477 MX6_PAD_LCD1_DATA02__LCDIF1_DATA_2 | MUX_PAD_CTRL(LCD_PAD_CTRL), 478 MX6_PAD_LCD1_DATA03__LCDIF1_DATA_3 | MUX_PAD_CTRL(LCD_PAD_CTRL), 479 MX6_PAD_LCD1_DATA04__LCDIF1_DATA_4 | MUX_PAD_CTRL(LCD_PAD_CTRL), 480 MX6_PAD_LCD1_DATA05__LCDIF1_DATA_5 | MUX_PAD_CTRL(LCD_PAD_CTRL), 481 MX6_PAD_LCD1_DATA06__LCDIF1_DATA_6 | MUX_PAD_CTRL(LCD_PAD_CTRL), 482 MX6_PAD_LCD1_DATA07__LCDIF1_DATA_7 | MUX_PAD_CTRL(LCD_PAD_CTRL), 483 MX6_PAD_LCD1_DATA08__LCDIF1_DATA_8 | MUX_PAD_CTRL(LCD_PAD_CTRL), 484 MX6_PAD_LCD1_DATA09__LCDIF1_DATA_9 | MUX_PAD_CTRL(LCD_PAD_CTRL), 485 MX6_PAD_LCD1_DATA10__LCDIF1_DATA_10 | MUX_PAD_CTRL(LCD_PAD_CTRL), 486 MX6_PAD_LCD1_DATA11__LCDIF1_DATA_11 | MUX_PAD_CTRL(LCD_PAD_CTRL), 487 MX6_PAD_LCD1_DATA12__LCDIF1_DATA_12 | MUX_PAD_CTRL(LCD_PAD_CTRL), 488 MX6_PAD_LCD1_DATA13__LCDIF1_DATA_13 | MUX_PAD_CTRL(LCD_PAD_CTRL), 489 MX6_PAD_LCD1_DATA14__LCDIF1_DATA_14 | MUX_PAD_CTRL(LCD_PAD_CTRL), 490 MX6_PAD_LCD1_DATA15__LCDIF1_DATA_15 | MUX_PAD_CTRL(LCD_PAD_CTRL), 491 MX6_PAD_LCD1_DATA16__LCDIF1_DATA_16 | MUX_PAD_CTRL(LCD_PAD_CTRL), 492 MX6_PAD_LCD1_DATA17__LCDIF1_DATA_17 | MUX_PAD_CTRL(LCD_PAD_CTRL), 493 MX6_PAD_LCD1_DATA18__LCDIF1_DATA_18 | MUX_PAD_CTRL(LCD_PAD_CTRL), 494 MX6_PAD_LCD1_DATA19__LCDIF1_DATA_19 | MUX_PAD_CTRL(LCD_PAD_CTRL), 495 MX6_PAD_LCD1_DATA20__LCDIF1_DATA_20 | MUX_PAD_CTRL(LCD_PAD_CTRL), 496 MX6_PAD_LCD1_DATA21__LCDIF1_DATA_21 | MUX_PAD_CTRL(LCD_PAD_CTRL), 497 MX6_PAD_LCD1_DATA22__LCDIF1_DATA_22 | MUX_PAD_CTRL(LCD_PAD_CTRL), 498 MX6_PAD_LCD1_DATA23__LCDIF1_DATA_23 | MUX_PAD_CTRL(LCD_PAD_CTRL), 499 MX6_PAD_LCD1_RESET__GPIO3_IO_27 | MUX_PAD_CTRL(NO_PAD_CTRL), 500 501 /* Use GPIO for Brightness adjustment, duty cycle = period */ 502 MX6_PAD_SD1_DATA2__GPIO6_IO_4 | MUX_PAD_CTRL(NO_PAD_CTRL), 503 }; 504 505 static int setup_lcd(void) 506 { 507 enable_lcdif_clock(LCDIF1_BASE_ADDR, 1); 508 509 imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads)); 510 511 /* Reset the LCD */ 512 gpio_direction_output(IMX_GPIO_NR(3, 27) , 0); 513 udelay(500); 514 gpio_direction_output(IMX_GPIO_NR(3, 27) , 1); 515 516 /* Set Brightness to high */ 517 gpio_direction_output(IMX_GPIO_NR(6, 4) , 1); 518 519 return 0; 520 } 521 #endif 522 523 int board_init(void) 524 { 525 /* Address of boot parameters */ 526 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; 527 528 #ifdef CONFIG_SYS_I2C_MXC 529 setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); 530 #endif 531 532 #ifdef CONFIG_FSL_QSPI 533 board_qspi_init(); 534 #endif 535 536 #ifdef CONFIG_VIDEO_MXS 537 setup_lcd(); 538 #endif 539 540 return 0; 541 } 542 543 int checkboard(void) 544 { 545 puts("Board: MX6SX SABRE SDB\n"); 546 547 return 0; 548 } 549 550 #ifdef CONFIG_SPL_BUILD 551 #include <libfdt.h> 552 #include <spl.h> 553 #include <asm/arch/mx6-ddr.h> 554 555 const struct mx6sx_iomux_ddr_regs mx6_ddr_ioregs = { 556 .dram_dqm0 = 0x00000028, 557 .dram_dqm1 = 0x00000028, 558 .dram_dqm2 = 0x00000028, 559 .dram_dqm3 = 0x00000028, 560 .dram_ras = 0x00000020, 561 .dram_cas = 0x00000020, 562 .dram_odt0 = 0x00000020, 563 .dram_odt1 = 0x00000020, 564 .dram_sdba2 = 0x00000000, 565 .dram_sdcke0 = 0x00003000, 566 .dram_sdcke1 = 0x00003000, 567 .dram_sdclk_0 = 0x00000030, 568 .dram_sdqs0 = 0x00000028, 569 .dram_sdqs1 = 0x00000028, 570 .dram_sdqs2 = 0x00000028, 571 .dram_sdqs3 = 0x00000028, 572 .dram_reset = 0x00000020, 573 }; 574 575 const struct mx6sx_iomux_grp_regs mx6_grp_ioregs = { 576 .grp_addds = 0x00000020, 577 .grp_ddrmode_ctl = 0x00020000, 578 .grp_ddrpke = 0x00000000, 579 .grp_ddrmode = 0x00020000, 580 .grp_b0ds = 0x00000028, 581 .grp_b1ds = 0x00000028, 582 .grp_ctlds = 0x00000020, 583 .grp_ddr_type = 0x000c0000, 584 .grp_b2ds = 0x00000028, 585 .grp_b3ds = 0x00000028, 586 }; 587 588 const struct mx6_mmdc_calibration mx6_mmcd_calib = { 589 .p0_mpwldectrl0 = 0x00290025, 590 .p0_mpwldectrl1 = 0x00220022, 591 .p0_mpdgctrl0 = 0x41480144, 592 .p0_mpdgctrl1 = 0x01340130, 593 .p0_mprddlctl = 0x3C3E4244, 594 .p0_mpwrdlctl = 0x34363638, 595 }; 596 597 static struct mx6_ddr3_cfg mem_ddr = { 598 .mem_speed = 1600, 599 .density = 4, 600 .width = 32, 601 .banks = 8, 602 .rowaddr = 15, 603 .coladdr = 10, 604 .pagesz = 2, 605 .trcd = 1375, 606 .trcmin = 4875, 607 .trasmin = 3500, 608 }; 609 610 static void ccgr_init(void) 611 { 612 struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; 613 614 writel(0xFFFFFFFF, &ccm->CCGR0); 615 writel(0xFFFFFFFF, &ccm->CCGR1); 616 writel(0xFFFFFFFF, &ccm->CCGR2); 617 writel(0xFFFFFFFF, &ccm->CCGR3); 618 writel(0xFFFFFFFF, &ccm->CCGR4); 619 writel(0xFFFFFFFF, &ccm->CCGR5); 620 writel(0xFFFFFFFF, &ccm->CCGR6); 621 writel(0xFFFFFFFF, &ccm->CCGR7); 622 } 623 624 static void spl_dram_init(void) 625 { 626 struct mx6_ddr_sysinfo sysinfo = { 627 .dsize = mem_ddr.width/32, 628 .cs_density = 24, 629 .ncs = 1, 630 .cs1_mirror = 0, 631 .rtt_wr = 2, 632 .rtt_nom = 2, /* RTT_Nom = RZQ/2 */ 633 .walat = 1, /* Write additional latency */ 634 .ralat = 5, /* Read additional latency */ 635 .mif3_mode = 3, /* Command prediction working mode */ 636 .bi_on = 1, /* Bank interleaving enabled */ 637 .sde_to_rst = 0x10, /* 14 cycles, 200us (JEDEC default) */ 638 .rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */ 639 .ddr_type = DDR_TYPE_DDR3, 640 .refsel = 1, /* Refresh cycles at 32KHz */ 641 .refr = 7, /* 8 refresh commands per refresh cycle */ 642 }; 643 644 mx6sx_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs); 645 mx6_dram_cfg(&sysinfo, &mx6_mmcd_calib, &mem_ddr); 646 } 647 648 void board_init_f(ulong dummy) 649 { 650 /* setup AIPS and disable watchdog */ 651 arch_cpu_init(); 652 653 ccgr_init(); 654 655 /* iomux and setup of i2c */ 656 board_early_init_f(); 657 658 /* setup GP timer */ 659 timer_init(); 660 661 /* UART clocks enabled and gd valid - init serial console */ 662 preloader_console_init(); 663 664 /* DDR initialization */ 665 spl_dram_init(); 666 667 /* Clear the BSS. */ 668 memset(__bss_start, 0, __bss_end - __bss_start); 669 670 /* load/boot image from boot device */ 671 board_init_r(NULL, 0); 672 } 673 #endif 674