1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright (C) 2010-2011 Freescale Semiconductor, Inc. 4 * Based on mx6qsabrelite.c file 5 * Copyright (C) 2013, Adeneo Embedded <www.adeneo-embedded.com> 6 * Leo Sartre, <lsartre@adeneo-embedded.com> 7 */ 8 9 #include <common.h> 10 #include <asm/io.h> 11 #include <asm/arch/clock.h> 12 #include <asm/arch/imx-regs.h> 13 #include <asm/arch/iomux.h> 14 #include <asm/arch/mx6-pins.h> 15 #include <asm/gpio.h> 16 #include <asm/mach-imx/iomux-v3.h> 17 #include <asm/mach-imx/sata.h> 18 #include <asm/mach-imx/boot_mode.h> 19 #include <asm/mach-imx/mxc_i2c.h> 20 #include <asm/arch/sys_proto.h> 21 #include <asm/arch/mxc_hdmi.h> 22 #include <asm/arch/crm_regs.h> 23 #include <mmc.h> 24 #include <fsl_esdhc.h> 25 #include <i2c.h> 26 #include <input.h> 27 #include <power/pmic.h> 28 #include <power/pfuze100_pmic.h> 29 #include <linux/fb.h> 30 #include <ipu_pixfmt.h> 31 #include <malloc.h> 32 #include <miiphy.h> 33 #include <netdev.h> 34 #include <micrel.h> 35 #include <spi_flash.h> 36 #include <spi.h> 37 38 DECLARE_GLOBAL_DATA_PTR; 39 40 #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |\ 41 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) 42 43 #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW |\ 44 PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) 45 46 #define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ 47 PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ 48 PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ 49 PAD_CTL_ODE | PAD_CTL_SRE_FAST) 50 51 #define SPI_PAD_CTRL (PAD_CTL_HYS | \ 52 PAD_CTL_SPEED_MED | \ 53 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) 54 55 #define MX6Q_QMX6_PFUZE_MUX IMX_GPIO_NR(6, 9) 56 57 58 #define ENET_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ 59 PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ 60 PAD_CTL_DSE_40ohm | PAD_CTL_HYS) 61 dram_init(void)62 int dram_init(void) 63 { 64 gd->ram_size = imx_ddr_size(); 65 66 return 0; 67 } 68 69 static iomux_v3_cfg_t const uart2_pads[] = { 70 IOMUX_PADS(PAD_EIM_D26__UART2_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), 71 IOMUX_PADS(PAD_EIM_D27__UART2_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), 72 }; 73 74 #ifndef CONFIG_SPL_BUILD 75 static iomux_v3_cfg_t const usdhc2_pads[] = { 76 IOMUX_PADS(PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 77 IOMUX_PADS(PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 78 IOMUX_PADS(PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 79 IOMUX_PADS(PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 80 IOMUX_PADS(PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 81 IOMUX_PADS(PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 82 IOMUX_PADS(PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 83 }; 84 85 static iomux_v3_cfg_t const usdhc3_pads[] = { 86 IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 87 IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 88 IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 89 IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 90 IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 91 IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 92 IOMUX_PADS(PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 93 IOMUX_PADS(PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 94 IOMUX_PADS(PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 95 IOMUX_PADS(PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 96 IOMUX_PADS(PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 97 }; 98 #endif 99 100 static iomux_v3_cfg_t const usdhc4_pads[] = { 101 IOMUX_PADS(PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 102 IOMUX_PADS(PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 103 IOMUX_PADS(PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 104 IOMUX_PADS(PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 105 IOMUX_PADS(PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 106 IOMUX_PADS(PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 107 IOMUX_PADS(PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 108 IOMUX_PADS(PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 109 IOMUX_PADS(PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 110 IOMUX_PADS(PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), 111 IOMUX_PADS(PAD_NANDF_D6__GPIO2_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL)), 112 }; 113 114 static iomux_v3_cfg_t const usb_otg_pads[] = { 115 IOMUX_PADS(PAD_EIM_D22__USB_OTG_PWR | MUX_PAD_CTRL(NO_PAD_CTRL)), 116 IOMUX_PADS(PAD_GPIO_1__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL)), 117 }; 118 119 static iomux_v3_cfg_t enet_pads_ksz9031[] = { 120 IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)), 121 IOMUX_PADS(PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL)), 122 IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL)), 123 IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 124 IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 125 IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 126 IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 127 IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL)), 128 IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL)), 129 IOMUX_PADS(PAD_RGMII_RXC__GPIO6_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL)), 130 IOMUX_PADS(PAD_RGMII_RD0__GPIO6_IO25 | MUX_PAD_CTRL(NO_PAD_CTRL)), 131 IOMUX_PADS(PAD_RGMII_RD1__GPIO6_IO27 | MUX_PAD_CTRL(NO_PAD_CTRL)), 132 IOMUX_PADS(PAD_RGMII_RD2__GPIO6_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL)), 133 IOMUX_PADS(PAD_RGMII_RD3__GPIO6_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL)), 134 IOMUX_PADS(PAD_RGMII_RX_CTL__GPIO6_IO24 | MUX_PAD_CTRL(NO_PAD_CTRL)), 135 }; 136 137 static iomux_v3_cfg_t enet_pads_final_ksz9031[] = { 138 IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL)), 139 IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 140 IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 141 IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 142 IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 143 IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL)), 144 }; 145 146 static iomux_v3_cfg_t enet_pads_ar8035[] = { 147 IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)), 148 IOMUX_PADS(PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL)), 149 IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL)), 150 IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 151 IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 152 IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 153 IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 154 IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL)), 155 IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL)), 156 IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL)), 157 IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 158 IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 159 IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 160 IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)), 161 IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL)), 162 }; 163 164 static iomux_v3_cfg_t const ecspi1_pads[] = { 165 IOMUX_PADS(PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL)), 166 IOMUX_PADS(PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL)), 167 IOMUX_PADS(PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL)), 168 IOMUX_PADS(PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL)), 169 }; 170 171 #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) 172 struct i2c_pads_info mx6q_i2c_pad_info1 = { 173 .scl = { 174 .i2c_mode = MX6Q_PAD_KEY_COL3__I2C2_SCL | PC, 175 .gpio_mode = MX6Q_PAD_KEY_COL3__GPIO4_IO12 | PC, 176 .gp = IMX_GPIO_NR(4, 12) 177 }, 178 .sda = { 179 .i2c_mode = MX6Q_PAD_KEY_ROW3__I2C2_SDA | PC, 180 .gpio_mode = MX6Q_PAD_KEY_ROW3__GPIO4_IO13 | PC, 181 .gp = IMX_GPIO_NR(4, 13) 182 } 183 }; 184 185 struct i2c_pads_info mx6dl_i2c_pad_info1 = { 186 .scl = { 187 .i2c_mode = MX6DL_PAD_KEY_COL3__I2C2_SCL | PC, 188 .gpio_mode = MX6DL_PAD_KEY_COL3__GPIO4_IO12 | PC, 189 .gp = IMX_GPIO_NR(4, 12) 190 }, 191 .sda = { 192 .i2c_mode = MX6DL_PAD_KEY_ROW3__I2C2_SDA | PC, 193 .gpio_mode = MX6DL_PAD_KEY_ROW3__GPIO4_IO13 | PC, 194 .gp = IMX_GPIO_NR(4, 13) 195 } 196 }; 197 198 #define I2C_PMIC 1 /* I2C2 port is used to connect to the PMIC */ 199 200 struct interface_level { 201 char *name; 202 uchar value; 203 }; 204 205 static struct interface_level mipi_levels[] = { 206 {"0V0", 0x00}, 207 {"2V5", 0x17}, 208 }; 209 210 /* setup board specific PMIC */ power_init_board(void)211 int power_init_board(void) 212 { 213 struct pmic *p; 214 u32 id1, id2, i; 215 int ret; 216 char const *lv_mipi; 217 218 /* configure I2C multiplexer */ 219 gpio_direction_output(MX6Q_QMX6_PFUZE_MUX, 1); 220 221 power_pfuze100_init(I2C_PMIC); 222 p = pmic_get("PFUZE100"); 223 if (!p) 224 return -EINVAL; 225 226 ret = pmic_probe(p); 227 if (ret) 228 return ret; 229 230 pmic_reg_read(p, PFUZE100_DEVICEID, &id1); 231 pmic_reg_read(p, PFUZE100_REVID, &id2); 232 printf("PFUZE100 Rev. [%02x/%02x] detected\n", id1, id2); 233 234 if (id2 >= 0x20) 235 return 0; 236 237 /* set level of MIPI if specified */ 238 lv_mipi = env_get("lv_mipi"); 239 if (lv_mipi) 240 return 0; 241 242 for (i = 0; i < ARRAY_SIZE(mipi_levels); i++) { 243 if (!strcmp(mipi_levels[i].name, lv_mipi)) { 244 printf("set MIPI level %s\n", mipi_levels[i].name); 245 ret = pmic_reg_write(p, PFUZE100_VGEN4VOL, 246 mipi_levels[i].value); 247 if (ret) 248 return ret; 249 } 250 } 251 252 return 0; 253 } 254 board_eth_init(bd_t * bis)255 int board_eth_init(bd_t *bis) 256 { 257 struct phy_device *phydev; 258 struct mii_dev *bus; 259 unsigned short id1, id2; 260 int ret; 261 262 /* check whether KSZ9031 or AR8035 has to be configured */ 263 SETUP_IOMUX_PADS(enet_pads_ar8035); 264 265 /* phy reset */ 266 gpio_direction_output(IMX_GPIO_NR(3, 23), 0); 267 udelay(2000); 268 gpio_set_value(IMX_GPIO_NR(3, 23), 1); 269 udelay(500); 270 271 bus = fec_get_miibus(IMX_FEC_BASE, -1); 272 if (!bus) 273 return -EINVAL; 274 phydev = phy_find_by_mask(bus, (0xf << 4), PHY_INTERFACE_MODE_RGMII); 275 if (!phydev) { 276 printf("Error: phy device not found.\n"); 277 ret = -ENODEV; 278 goto free_bus; 279 } 280 281 /* get the PHY id */ 282 id1 = phy_read(phydev, MDIO_DEVAD_NONE, 2); 283 id2 = phy_read(phydev, MDIO_DEVAD_NONE, 3); 284 285 if ((id1 == 0x22) && ((id2 & 0xFFF0) == 0x1620)) { 286 /* re-configure for Micrel KSZ9031 */ 287 printf("configure Micrel KSZ9031 Ethernet Phy at address %d\n", 288 phydev->addr); 289 290 /* phy reset: gpio3-23 */ 291 gpio_set_value(IMX_GPIO_NR(3, 23), 0); 292 gpio_set_value(IMX_GPIO_NR(6, 30), (phydev->addr >> 2)); 293 gpio_set_value(IMX_GPIO_NR(6, 25), 1); 294 gpio_set_value(IMX_GPIO_NR(6, 27), 1); 295 gpio_set_value(IMX_GPIO_NR(6, 28), 1); 296 gpio_set_value(IMX_GPIO_NR(6, 29), 1); 297 SETUP_IOMUX_PADS(enet_pads_ksz9031); 298 gpio_set_value(IMX_GPIO_NR(6, 24), 1); 299 udelay(500); 300 gpio_set_value(IMX_GPIO_NR(3, 23), 1); 301 SETUP_IOMUX_PADS(enet_pads_final_ksz9031); 302 } else if ((id1 == 0x004d) && (id2 == 0xd072)) { 303 /* configure Atheros AR8035 - actually nothing to do */ 304 printf("configure Atheros AR8035 Ethernet Phy at address %d\n", 305 phydev->addr); 306 } else { 307 printf("Unknown Ethernet-Phy: 0x%04x 0x%04x\n", id1, id2); 308 ret = -EINVAL; 309 goto free_phydev; 310 } 311 312 ret = fec_probe(bis, -1, IMX_FEC_BASE, bus, phydev); 313 if (ret) 314 goto free_phydev; 315 316 return 0; 317 318 free_phydev: 319 free(phydev); 320 free_bus: 321 free(bus); 322 return ret; 323 } 324 mx6_rgmii_rework(struct phy_device * phydev)325 int mx6_rgmii_rework(struct phy_device *phydev) 326 { 327 unsigned short id1, id2; 328 unsigned short val; 329 330 /* check whether KSZ9031 or AR8035 has to be configured */ 331 id1 = phy_read(phydev, MDIO_DEVAD_NONE, 2); 332 id2 = phy_read(phydev, MDIO_DEVAD_NONE, 3); 333 334 if ((id1 == 0x22) && ((id2 & 0xFFF0) == 0x1620)) { 335 /* finalize phy configuration for Micrel KSZ9031 */ 336 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, 2); 337 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 4); 338 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_POST_INC_W | 0x2); 339 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0x0000); 340 341 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, 2); 342 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 5); 343 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_POST_INC_W | 0x2); 344 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, MII_KSZ9031_MOD_REG); 345 346 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, 2); 347 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 6); 348 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_POST_INC_W | 0x2); 349 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0xFFFF); 350 351 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, 2); 352 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 8); 353 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_POST_INC_W | 0x2); 354 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0x3FFF); 355 356 /* fix KSZ9031 link up issue */ 357 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, 0x0); 358 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0x4); 359 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_NO_POST_INC); 360 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0x6); 361 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_REG); 362 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0x3); 363 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_NO_POST_INC); 364 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0x1A80); 365 } 366 367 if ((id1 == 0x004d) && (id2 == 0xd072)) { 368 /* enable AR8035 ouput a 125MHz clk from CLK_25M */ 369 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, 0x7); 370 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, MII_KSZ9031_MOD_DATA_POST_INC_RW | 0x16); 371 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_NO_POST_INC | 0x7); 372 val = phy_read(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA); 373 val &= 0xfe63; 374 val |= 0x18; 375 phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, val); 376 377 /* introduce tx clock delay */ 378 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5); 379 val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e); 380 val |= 0x0100; 381 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val); 382 383 /* disable hibernation */ 384 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0xb); 385 val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e); 386 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x3c40); 387 } 388 return 0; 389 } 390 board_phy_config(struct phy_device * phydev)391 int board_phy_config(struct phy_device *phydev) 392 { 393 mx6_rgmii_rework(phydev); 394 395 if (phydev->drv->config) 396 phydev->drv->config(phydev); 397 398 return 0; 399 } 400 setup_iomux_uart(void)401 static void setup_iomux_uart(void) 402 { 403 SETUP_IOMUX_PADS(uart2_pads); 404 } 405 406 #ifdef CONFIG_MXC_SPI setup_spi(void)407 static void setup_spi(void) 408 { 409 SETUP_IOMUX_PADS(ecspi1_pads); 410 gpio_direction_output(IMX_GPIO_NR(3, 19), 0); 411 } 412 #endif 413 414 #ifdef CONFIG_FSL_ESDHC 415 static struct fsl_esdhc_cfg usdhc_cfg[] = { 416 {USDHC2_BASE_ADDR}, 417 {USDHC3_BASE_ADDR}, 418 {USDHC4_BASE_ADDR}, 419 }; 420 board_mmc_getcd(struct mmc * mmc)421 int board_mmc_getcd(struct mmc *mmc) 422 { 423 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; 424 int ret = 0; 425 426 switch (cfg->esdhc_base) { 427 case USDHC2_BASE_ADDR: 428 gpio_direction_input(IMX_GPIO_NR(1, 4)); 429 ret = !gpio_get_value(IMX_GPIO_NR(1, 4)); 430 break; 431 case USDHC3_BASE_ADDR: 432 ret = 1; /* eMMC is always present */ 433 break; 434 case USDHC4_BASE_ADDR: 435 gpio_direction_input(IMX_GPIO_NR(2, 6)); 436 ret = !gpio_get_value(IMX_GPIO_NR(2, 6)); 437 break; 438 default: 439 printf("Bad USDHC interface\n"); 440 } 441 442 return ret; 443 } 444 board_mmc_init(bd_t * bis)445 int board_mmc_init(bd_t *bis) 446 { 447 #ifndef CONFIG_SPL_BUILD 448 s32 status = 0; 449 int i; 450 451 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); 452 usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); 453 usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); 454 455 SETUP_IOMUX_PADS(usdhc2_pads); 456 SETUP_IOMUX_PADS(usdhc3_pads); 457 SETUP_IOMUX_PADS(usdhc4_pads); 458 459 for (i = 0; i < ARRAY_SIZE(usdhc_cfg); i++) { 460 status = fsl_esdhc_initialize(bis, &usdhc_cfg[i]); 461 if (status) 462 return status; 463 } 464 465 return 0; 466 #else 467 SETUP_IOMUX_PADS(usdhc4_pads); 468 usdhc_cfg[0].esdhc_base = USDHC4_BASE_ADDR; 469 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); 470 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; 471 472 return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); 473 #endif 474 } 475 #endif 476 board_ehci_hcd_init(int port)477 int board_ehci_hcd_init(int port) 478 { 479 switch (port) { 480 case 0: 481 SETUP_IOMUX_PADS(usb_otg_pads); 482 /* 483 * set daisy chain for otg_pin_id on 6q. 484 * for 6dl, this bit is reserved 485 */ 486 imx_iomux_set_gpr_register(1, 13, 1, 1); 487 break; 488 case 1: 489 /* nothing to do */ 490 break; 491 default: 492 printf("Invalid USB port: %d\n", port); 493 return -EINVAL; 494 } 495 496 return 0; 497 } 498 board_ehci_power(int port,int on)499 int board_ehci_power(int port, int on) 500 { 501 switch (port) { 502 case 0: 503 break; 504 case 1: 505 gpio_direction_output(IMX_GPIO_NR(5, 5), on); 506 break; 507 default: 508 printf("Invalid USB port: %d\n", port); 509 return -EINVAL; 510 } 511 512 return 0; 513 } 514 515 struct display_info_t { 516 int bus; 517 int addr; 518 int pixfmt; 519 int (*detect)(struct display_info_t const *dev); 520 void (*enable)(struct display_info_t const *dev); 521 struct fb_videomode mode; 522 }; 523 disable_lvds(struct display_info_t const * dev)524 static void disable_lvds(struct display_info_t const *dev) 525 { 526 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; 527 528 clrbits_le32(&iomux->gpr[2], IOMUXC_GPR2_LVDS_CH0_MODE_MASK | 529 IOMUXC_GPR2_LVDS_CH1_MODE_MASK); 530 } 531 do_enable_hdmi(struct display_info_t const * dev)532 static void do_enable_hdmi(struct display_info_t const *dev) 533 { 534 disable_lvds(dev); 535 imx_enable_hdmi_phy(); 536 } 537 538 static struct display_info_t const displays[] = { 539 { 540 .bus = -1, 541 .addr = 0, 542 .pixfmt = IPU_PIX_FMT_RGB666, 543 .detect = NULL, 544 .enable = NULL, 545 .mode = { 546 .name = 547 "Hannstar-XGA", 548 .refresh = 60, 549 .xres = 1024, 550 .yres = 768, 551 .pixclock = 15385, 552 .left_margin = 220, 553 .right_margin = 40, 554 .upper_margin = 21, 555 .lower_margin = 7, 556 .hsync_len = 60, 557 .vsync_len = 10, 558 .sync = FB_SYNC_EXT, 559 .vmode = FB_VMODE_NONINTERLACED } }, 560 { 561 .bus = -1, 562 .addr = 0, 563 .pixfmt = IPU_PIX_FMT_RGB24, 564 .detect = NULL, 565 .enable = do_enable_hdmi, 566 .mode = { 567 .name = "HDMI", 568 .refresh = 60, 569 .xres = 1024, 570 .yres = 768, 571 .pixclock = 15385, 572 .left_margin = 220, 573 .right_margin = 40, 574 .upper_margin = 21, 575 .lower_margin = 7, 576 .hsync_len = 60, 577 .vsync_len = 10, 578 .sync = FB_SYNC_EXT, 579 .vmode = FB_VMODE_NONINTERLACED } } 580 }; 581 board_video_skip(void)582 int board_video_skip(void) 583 { 584 int i; 585 int ret; 586 char const *panel = env_get("panel"); 587 if (!panel) { 588 for (i = 0; i < ARRAY_SIZE(displays); i++) { 589 struct display_info_t const *dev = displays + i; 590 if (dev->detect && dev->detect(dev)) { 591 panel = dev->mode.name; 592 printf("auto-detected panel %s\n", panel); 593 break; 594 } 595 } 596 if (!panel) { 597 panel = displays[0].mode.name; 598 printf("No panel detected: default to %s\n", panel); 599 i = 0; 600 } 601 } else { 602 for (i = 0; i < ARRAY_SIZE(displays); i++) { 603 if (!strcmp(panel, displays[i].mode.name)) 604 break; 605 } 606 } 607 if (i < ARRAY_SIZE(displays)) { 608 ret = ipuv3_fb_init(&displays[i].mode, 0, displays[i].pixfmt); 609 if (!ret) { 610 if (displays[i].enable) 611 displays[i].enable(displays + i); 612 printf("Display: %s (%ux%u)\n", 613 displays[i].mode.name, displays[i].mode.xres, 614 displays[i].mode.yres); 615 } else 616 printf("LCD %s cannot be configured: %d\n", 617 displays[i].mode.name, ret); 618 } else { 619 printf("unsupported panel %s\n", panel); 620 return -EINVAL; 621 } 622 623 return 0; 624 } 625 setup_display(void)626 static void setup_display(void) 627 { 628 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; 629 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; 630 int reg; 631 632 enable_ipu_clock(); 633 imx_setup_hdmi(); 634 635 /* Turn on LDB0, LDB1, IPU,IPU DI0 clocks */ 636 setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK | 637 MXC_CCM_CCGR3_LDB_DI1_MASK); 638 639 /* set LDB0, LDB1 clk select to 011/011 */ 640 reg = readl(&mxc_ccm->cs2cdr); 641 reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK | 642 MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK); 643 reg |= (3 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET) | 644 (3 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET); 645 writel(reg, &mxc_ccm->cs2cdr); 646 647 setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV | 648 MXC_CCM_CSCMR2_LDB_DI1_IPU_DIV); 649 650 setbits_le32(&mxc_ccm->chsccdr, CHSCCDR_CLK_SEL_LDB_DI0 << 651 MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET | 652 CHSCCDR_CLK_SEL_LDB_DI0 << 653 MXC_CCM_CHSCCDR_IPU1_DI1_CLK_SEL_OFFSET); 654 655 reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES 656 | IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW 657 | IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW 658 | IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG 659 | IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT 660 | IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG 661 | IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT 662 | IOMUXC_GPR2_LVDS_CH0_MODE_DISABLED 663 | IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0; 664 writel(reg, &iomux->gpr[2]); 665 666 reg = readl(&iomux->gpr[3]); 667 reg = (reg & ~(IOMUXC_GPR3_LVDS1_MUX_CTL_MASK | 668 IOMUXC_GPR3_HDMI_MUX_CTL_MASK)) | 669 (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 << 670 IOMUXC_GPR3_LVDS1_MUX_CTL_OFFSET); 671 writel(reg, &iomux->gpr[3]); 672 } 673 674 /* 675 * Do not overwrite the console 676 * Use always serial for U-Boot console 677 */ overwrite_console(void)678 int overwrite_console(void) 679 { 680 return 1; 681 } 682 board_early_init_f(void)683 int board_early_init_f(void) 684 { 685 setup_iomux_uart(); 686 #ifdef CONFIG_MXC_SPI 687 setup_spi(); 688 #endif 689 return 0; 690 } 691 board_init(void)692 int board_init(void) 693 { 694 /* address of boot parameters */ 695 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; 696 697 698 if (is_mx6dq()) 699 setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6q_i2c_pad_info1); 700 else 701 setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6dl_i2c_pad_info1); 702 703 setup_display(); 704 705 #ifdef CONFIG_SATA 706 setup_sata(); 707 #endif 708 709 return 0; 710 } 711 checkboard(void)712 int checkboard(void) 713 { 714 char *type = "unknown"; 715 716 if (is_cpu_type(MXC_CPU_MX6Q)) 717 type = "Quad"; 718 else if (is_cpu_type(MXC_CPU_MX6D)) 719 type = "Dual"; 720 else if (is_cpu_type(MXC_CPU_MX6DL)) 721 type = "Dual-Lite"; 722 else if (is_cpu_type(MXC_CPU_MX6SOLO)) 723 type = "Solo"; 724 725 printf("Board: conga-QMX6 %s\n", type); 726 727 return 0; 728 } 729 730 #ifdef CONFIG_MXC_SPI board_spi_cs_gpio(unsigned bus,unsigned cs)731 int board_spi_cs_gpio(unsigned bus, unsigned cs) 732 { 733 return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(3, 19)) : -EINVAL; 734 } 735 #endif 736 737 #ifdef CONFIG_CMD_BMODE 738 static const struct boot_mode board_boot_modes[] = { 739 /* 4 bit bus width */ 740 {"mmc0", MAKE_CFGVAL(0x50, 0x20, 0x00, 0x00)}, 741 {"mmc1", MAKE_CFGVAL(0x50, 0x38, 0x00, 0x00)}, 742 {NULL, 0}, 743 }; 744 #endif 745 misc_init_r(void)746 int misc_init_r(void) 747 { 748 #ifdef CONFIG_CMD_BMODE 749 add_board_boot_modes(board_boot_modes); 750 #endif 751 return 0; 752 } 753 board_late_init(void)754 int board_late_init(void) 755 { 756 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG 757 if (is_mx6dq()) 758 env_set("board_rev", "MX6Q"); 759 else 760 env_set("board_rev", "MX6DL"); 761 #endif 762 763 return 0; 764 } 765 766 #ifdef CONFIG_SPL_BUILD 767 #include <asm/arch/mx6-ddr.h> 768 #include <spl.h> 769 #include <linux/libfdt.h> 770 #include <spi_flash.h> 771 #include <spi.h> 772 773 const struct mx6dq_iomux_ddr_regs mx6q_ddr_ioregs = { 774 .dram_sdclk_0 = 0x00000030, 775 .dram_sdclk_1 = 0x00000030, 776 .dram_cas = 0x00000030, 777 .dram_ras = 0x00000030, 778 .dram_reset = 0x00000030, 779 .dram_sdcke0 = 0x00003000, 780 .dram_sdcke1 = 0x00003000, 781 .dram_sdba2 = 0x00000000, 782 .dram_sdodt0 = 0x00000030, 783 .dram_sdodt1 = 0x00000030, 784 .dram_sdqs0 = 0x00000030, 785 .dram_sdqs1 = 0x00000030, 786 .dram_sdqs2 = 0x00000030, 787 .dram_sdqs3 = 0x00000030, 788 .dram_sdqs4 = 0x00000030, 789 .dram_sdqs5 = 0x00000030, 790 .dram_sdqs6 = 0x00000030, 791 .dram_sdqs7 = 0x00000030, 792 .dram_dqm0 = 0x00000030, 793 .dram_dqm1 = 0x00000030, 794 .dram_dqm2 = 0x00000030, 795 .dram_dqm3 = 0x00000030, 796 .dram_dqm4 = 0x00000030, 797 .dram_dqm5 = 0x00000030, 798 .dram_dqm6 = 0x00000030, 799 .dram_dqm7 = 0x00000030, 800 }; 801 802 static const struct mx6sdl_iomux_ddr_regs mx6dl_ddr_ioregs = { 803 .dram_sdclk_0 = 0x00000030, 804 .dram_sdclk_1 = 0x00000030, 805 .dram_cas = 0x00000030, 806 .dram_ras = 0x00000030, 807 .dram_reset = 0x00000030, 808 .dram_sdcke0 = 0x00003000, 809 .dram_sdcke1 = 0x00003000, 810 .dram_sdba2 = 0x00000000, 811 .dram_sdodt0 = 0x00000030, 812 .dram_sdodt1 = 0x00000030, 813 .dram_sdqs0 = 0x00000030, 814 .dram_sdqs1 = 0x00000030, 815 .dram_sdqs2 = 0x00000030, 816 .dram_sdqs3 = 0x00000030, 817 .dram_sdqs4 = 0x00000030, 818 .dram_sdqs5 = 0x00000030, 819 .dram_sdqs6 = 0x00000030, 820 .dram_sdqs7 = 0x00000030, 821 .dram_dqm0 = 0x00000030, 822 .dram_dqm1 = 0x00000030, 823 .dram_dqm2 = 0x00000030, 824 .dram_dqm3 = 0x00000030, 825 .dram_dqm4 = 0x00000030, 826 .dram_dqm5 = 0x00000030, 827 .dram_dqm6 = 0x00000030, 828 .dram_dqm7 = 0x00000030, 829 }; 830 831 const struct mx6dq_iomux_grp_regs mx6q_grp_ioregs = { 832 .grp_ddr_type = 0x000C0000, 833 .grp_ddrmode_ctl = 0x00020000, 834 .grp_ddrpke = 0x00000000, 835 .grp_addds = 0x00000030, 836 .grp_ctlds = 0x00000030, 837 .grp_ddrmode = 0x00020000, 838 .grp_b0ds = 0x00000030, 839 .grp_b1ds = 0x00000030, 840 .grp_b2ds = 0x00000030, 841 .grp_b3ds = 0x00000030, 842 .grp_b4ds = 0x00000030, 843 .grp_b5ds = 0x00000030, 844 .grp_b6ds = 0x00000030, 845 .grp_b7ds = 0x00000030, 846 }; 847 848 static const struct mx6sdl_iomux_grp_regs mx6sdl_grp_ioregs = { 849 .grp_ddr_type = 0x000c0000, 850 .grp_ddrmode_ctl = 0x00020000, 851 .grp_ddrpke = 0x00000000, 852 .grp_addds = 0x00000030, 853 .grp_ctlds = 0x00000030, 854 .grp_ddrmode = 0x00020000, 855 .grp_b0ds = 0x00000030, 856 .grp_b1ds = 0x00000030, 857 .grp_b2ds = 0x00000030, 858 .grp_b3ds = 0x00000030, 859 .grp_b4ds = 0x00000030, 860 .grp_b5ds = 0x00000030, 861 .grp_b6ds = 0x00000030, 862 .grp_b7ds = 0x00000030, 863 }; 864 865 const struct mx6_mmdc_calibration mx6q_mmcd_calib = { 866 .p0_mpwldectrl0 = 0x0016001A, 867 .p0_mpwldectrl1 = 0x0023001C, 868 .p1_mpwldectrl0 = 0x0028003A, 869 .p1_mpwldectrl1 = 0x001F002C, 870 .p0_mpdgctrl0 = 0x43440354, 871 .p0_mpdgctrl1 = 0x033C033C, 872 .p1_mpdgctrl0 = 0x43300368, 873 .p1_mpdgctrl1 = 0x03500330, 874 .p0_mprddlctl = 0x3228242E, 875 .p1_mprddlctl = 0x2C2C2636, 876 .p0_mpwrdlctl = 0x36323A38, 877 .p1_mpwrdlctl = 0x42324440, 878 }; 879 880 const struct mx6_mmdc_calibration mx6q_2g_mmcd_calib = { 881 .p0_mpwldectrl0 = 0x00080016, 882 .p0_mpwldectrl1 = 0x001D0016, 883 .p1_mpwldectrl0 = 0x0018002C, 884 .p1_mpwldectrl1 = 0x000D001D, 885 .p0_mpdgctrl0 = 0x43200334, 886 .p0_mpdgctrl1 = 0x0320031C, 887 .p1_mpdgctrl0 = 0x0344034C, 888 .p1_mpdgctrl1 = 0x03380314, 889 .p0_mprddlctl = 0x3E36383A, 890 .p1_mprddlctl = 0x38363240, 891 .p0_mpwrdlctl = 0x36364238, 892 .p1_mpwrdlctl = 0x4230423E, 893 }; 894 895 static const struct mx6_mmdc_calibration mx6s_mmcd_calib = { 896 .p0_mpwldectrl0 = 0x00480049, 897 .p0_mpwldectrl1 = 0x00410044, 898 .p0_mpdgctrl0 = 0x42480248, 899 .p0_mpdgctrl1 = 0x023C023C, 900 .p0_mprddlctl = 0x40424644, 901 .p0_mpwrdlctl = 0x34323034, 902 }; 903 904 const struct mx6_mmdc_calibration mx6dl_mmcd_calib = { 905 .p0_mpwldectrl0 = 0x0043004B, 906 .p0_mpwldectrl1 = 0x003A003E, 907 .p1_mpwldectrl0 = 0x0047004F, 908 .p1_mpwldectrl1 = 0x004E0061, 909 .p0_mpdgctrl0 = 0x42500250, 910 .p0_mpdgctrl1 = 0x0238023C, 911 .p1_mpdgctrl0 = 0x42640264, 912 .p1_mpdgctrl1 = 0x02500258, 913 .p0_mprddlctl = 0x40424846, 914 .p1_mprddlctl = 0x46484842, 915 .p0_mpwrdlctl = 0x38382C30, 916 .p1_mpwrdlctl = 0x34343430, 917 }; 918 919 static struct mx6_ddr3_cfg mem_ddr_2g = { 920 .mem_speed = 1600, 921 .density = 2, 922 .width = 16, 923 .banks = 8, 924 .rowaddr = 14, 925 .coladdr = 10, 926 .pagesz = 2, 927 .trcd = 1310, 928 .trcmin = 4875, 929 .trasmin = 3500, 930 }; 931 932 static struct mx6_ddr3_cfg mem_ddr_4g = { 933 .mem_speed = 1600, 934 .density = 4, 935 .width = 16, 936 .banks = 8, 937 .rowaddr = 15, 938 .coladdr = 10, 939 .pagesz = 2, 940 .trcd = 1310, 941 .trcmin = 4875, 942 .trasmin = 3500, 943 }; 944 ccgr_init(void)945 static void ccgr_init(void) 946 { 947 struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; 948 949 writel(0x00C03F3F, &ccm->CCGR0); 950 writel(0x0030FC03, &ccm->CCGR1); 951 writel(0x0FFFC000, &ccm->CCGR2); 952 writel(0x3FF00000, &ccm->CCGR3); 953 writel(0x00FFF300, &ccm->CCGR4); 954 writel(0x0F0000C3, &ccm->CCGR5); 955 writel(0x000003FF, &ccm->CCGR6); 956 } 957 958 /* Define a minimal structure so that the part number can be read via SPL */ 959 struct mfgdata { 960 unsigned char tsize; 961 /* size of checksummed part in bytes */ 962 unsigned char ckcnt; 963 /* checksum corrected byte */ 964 unsigned char cksum; 965 /* decimal serial number, packed BCD */ 966 unsigned char serial[6]; 967 /* part number, right justified, ASCII */ 968 unsigned char pn[16]; 969 }; 970 conv_ascii(unsigned char * dst,unsigned char * src,int len)971 static void conv_ascii(unsigned char *dst, unsigned char *src, int len) 972 { 973 int remain = len; 974 unsigned char *sptr = src; 975 unsigned char *dptr = dst; 976 977 while (remain) { 978 if (*sptr) { 979 *dptr = *sptr; 980 dptr++; 981 } 982 sptr++; 983 remain--; 984 } 985 *dptr = 0x0; 986 } 987 988 #define CFG_MFG_ADDR_OFFSET (spi->size - SZ_16K) is_2gb(void)989 static bool is_2gb(void) 990 { 991 struct spi_flash *spi; 992 int ret; 993 char buf[sizeof(struct mfgdata)]; 994 struct mfgdata *data = (struct mfgdata *)buf; 995 unsigned char outbuf[32]; 996 997 spi = spi_flash_probe(CONFIG_ENV_SPI_BUS, 998 CONFIG_ENV_SPI_CS, 999 CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE); 1000 ret = spi_flash_read(spi, CFG_MFG_ADDR_OFFSET, sizeof(struct mfgdata), 1001 buf); 1002 if (ret) 1003 return false; 1004 1005 /* Congatec Part Numbers 104 and 105 have 2GiB of RAM */ 1006 conv_ascii(outbuf, data->pn, sizeof(data->pn)); 1007 if (!memcmp(outbuf, "016104", 6) || !memcmp(outbuf, "016105", 6)) 1008 return true; 1009 else 1010 return false; 1011 } 1012 spl_dram_init(int width)1013 static void spl_dram_init(int width) 1014 { 1015 struct mx6_ddr_sysinfo sysinfo = { 1016 /* width of data bus:0=16,1=32,2=64 */ 1017 .dsize = width / 32, 1018 /* config for full 4GB range so that get_mem_size() works */ 1019 .cs_density = 32, /* 32Gb per CS */ 1020 /* single chip select */ 1021 .ncs = 1, 1022 .cs1_mirror = 0, 1023 .rtt_wr = 2, 1024 .rtt_nom = 2, 1025 .walat = 0, 1026 .ralat = 5, 1027 .mif3_mode = 3, 1028 .bi_on = 1, 1029 .sde_to_rst = 0x0d, 1030 .rst_to_cke = 0x20, 1031 .refsel = 1, /* Refresh cycles at 32KHz */ 1032 .refr = 7, /* 8 refresh commands per refresh cycle */ 1033 }; 1034 1035 if (is_cpu_type(MXC_CPU_MX6Q) && is_2gb()) { 1036 mx6dq_dram_iocfg(width, &mx6q_ddr_ioregs, &mx6q_grp_ioregs); 1037 mx6_dram_cfg(&sysinfo, &mx6q_2g_mmcd_calib, &mem_ddr_4g); 1038 return; 1039 } 1040 1041 if (is_mx6dq()) { 1042 mx6dq_dram_iocfg(width, &mx6q_ddr_ioregs, &mx6q_grp_ioregs); 1043 mx6_dram_cfg(&sysinfo, &mx6q_mmcd_calib, &mem_ddr_2g); 1044 } else if (is_cpu_type(MXC_CPU_MX6SOLO)) { 1045 sysinfo.walat = 1; 1046 mx6sdl_dram_iocfg(width, &mx6dl_ddr_ioregs, &mx6sdl_grp_ioregs); 1047 mx6_dram_cfg(&sysinfo, &mx6s_mmcd_calib, &mem_ddr_4g); 1048 } else if (is_cpu_type(MXC_CPU_MX6DL)) { 1049 sysinfo.walat = 1; 1050 mx6sdl_dram_iocfg(width, &mx6dl_ddr_ioregs, &mx6sdl_grp_ioregs); 1051 mx6_dram_cfg(&sysinfo, &mx6dl_mmcd_calib, &mem_ddr_2g); 1052 } 1053 } 1054 board_init_f(ulong dummy)1055 void board_init_f(ulong dummy) 1056 { 1057 /* setup AIPS and disable watchdog */ 1058 arch_cpu_init(); 1059 1060 ccgr_init(); 1061 gpr_init(); 1062 1063 /* iomux and setup of i2c */ 1064 board_early_init_f(); 1065 1066 /* setup GP timer */ 1067 timer_init(); 1068 1069 /* UART clocks enabled and gd valid - init serial console */ 1070 preloader_console_init(); 1071 1072 /* Needed for malloc() to work in SPL prior to board_init_r() */ 1073 spl_init(); 1074 1075 /* DDR initialization */ 1076 if (is_cpu_type(MXC_CPU_MX6SOLO)) 1077 spl_dram_init(32); 1078 else 1079 spl_dram_init(64); 1080 1081 /* Clear the BSS. */ 1082 memset(__bss_start, 0, __bss_end - __bss_start); 1083 1084 /* load/boot image from boot device */ 1085 board_init_r(NULL, 0); 1086 } 1087 #endif 1088