1 /* 2 * Copyright (C) 2014 Soeren Moch <smoch@web.de> 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <asm/arch/clock.h> 8 #include <asm/arch/imx-regs.h> 9 #include <asm/arch/iomux.h> 10 #include <asm/arch/mx6-pins.h> 11 #include <asm/errno.h> 12 #include <asm/gpio.h> 13 #include <asm/imx-common/mxc_i2c.h> 14 #include <asm/imx-common/iomux-v3.h> 15 #include <asm/imx-common/sata.h> 16 #include <asm/imx-common/boot_mode.h> 17 #include <asm/imx-common/video.h> 18 #include <mmc.h> 19 #include <fsl_esdhc.h> 20 #include <miiphy.h> 21 #include <netdev.h> 22 #include <asm/arch/mxc_hdmi.h> 23 #include <asm/arch/crm_regs.h> 24 #include <asm/io.h> 25 #include <asm/arch/sys_proto.h> 26 #include <i2c.h> 27 DECLARE_GLOBAL_DATA_PTR; 28 29 #define WEAK_PULLUP (PAD_CTL_PUS_47K_UP | \ 30 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ 31 PAD_CTL_SRE_SLOW) 32 33 #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ 34 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ 35 PAD_CTL_SRE_FAST | PAD_CTL_HYS) 36 37 #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \ 38 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \ 39 PAD_CTL_SRE_FAST | PAD_CTL_HYS) 40 41 #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ 42 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS) 43 44 #define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ 45 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ 46 PAD_CTL_ODE | PAD_CTL_SRE_FAST) 47 48 #define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL) 49 50 #ifdef CONFIG_SYS_I2C 51 /* I2C1, SGTL5000 */ 52 static struct i2c_pads_info i2c_pad_info0 = { 53 .scl = { 54 .i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL | I2C_PAD, 55 .gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27 | I2C_PAD, 56 .gp = IMX_GPIO_NR(5, 27) 57 }, 58 .sda = { 59 .i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA | I2C_PAD, 60 .gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26 | I2C_PAD, 61 .gp = IMX_GPIO_NR(5, 26) 62 } 63 }; 64 65 /* I2C2 HDMI */ 66 static struct i2c_pads_info i2c_pad_info1 = { 67 .scl = { 68 .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD, 69 .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD, 70 .gp = IMX_GPIO_NR(4, 12) 71 }, 72 .sda = { 73 .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD, 74 .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD, 75 .gp = IMX_GPIO_NR(4, 13) 76 } 77 }; 78 79 /* I2C3, CON11, DS1307, PCIe_SMB */ 80 static struct i2c_pads_info i2c_pad_info2 = { 81 .scl = { 82 .i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | I2C_PAD, 83 .gpio_mode = MX6_PAD_GPIO_3__GPIO1_IO03 | I2C_PAD, 84 .gp = IMX_GPIO_NR(1, 3) 85 }, 86 .sda = { 87 .i2c_mode = MX6_PAD_GPIO_6__I2C3_SDA | I2C_PAD, 88 .gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06 | I2C_PAD, 89 .gp = IMX_GPIO_NR(1, 6) 90 } 91 }; 92 #endif /* CONFIG_SYS_I2C */ 93 94 static iomux_v3_cfg_t const uart1_pads[] = { 95 MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), 96 MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), 97 }; 98 99 static iomux_v3_cfg_t const uart2_pads[] = { 100 MX6_PAD_EIM_D26__UART2_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), 101 MX6_PAD_EIM_D27__UART2_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), 102 }; 103 104 static iomux_v3_cfg_t const enet_pads[] = { 105 MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), 106 MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), 107 MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), 108 MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), 109 MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), 110 MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), 111 MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), 112 MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), 113 MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL), 114 MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL), 115 MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), 116 MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), 117 MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), 118 MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), 119 MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), 120 /* AR8035 PHY Reset */ 121 MX6_PAD_ENET_CRS_DV__GPIO1_IO25 | MUX_PAD_CTRL(NO_PAD_CTRL), 122 }; 123 124 static iomux_v3_cfg_t const pcie_pads[] = { 125 /* W_DISABLE# */ 126 MX6_PAD_KEY_COL4__GPIO4_IO14 | MUX_PAD_CTRL(WEAK_PULLUP), 127 /* PERST# */ 128 MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL), 129 }; 130 131 int dram_init(void) 132 { 133 gd->ram_size = 2048ul * 1024 * 1024; 134 return 0; 135 } 136 137 static void setup_iomux_enet(void) 138 { 139 imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads)); 140 141 /* Reset AR8035 PHY */ 142 gpio_direction_output(IMX_GPIO_NR(1, 25) , 0); 143 udelay(500); 144 gpio_set_value(IMX_GPIO_NR(1, 25), 1); 145 } 146 147 static void setup_pcie(void) 148 { 149 imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads)); 150 } 151 152 static void setup_iomux_uart(void) 153 { 154 imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); 155 imx_iomux_v3_setup_multiple_pads(uart2_pads, ARRAY_SIZE(uart2_pads)); 156 } 157 158 #ifdef CONFIG_FSL_ESDHC 159 static iomux_v3_cfg_t const usdhc2_pads[] = { 160 MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), 161 MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), 162 MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 163 MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 164 MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 165 MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 166 MX6_PAD_NANDF_D2__GPIO2_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ 167 }; 168 169 static iomux_v3_cfg_t const usdhc3_pads[] = { 170 MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), 171 MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), 172 MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 173 MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 174 MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 175 MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 176 MX6_PAD_NANDF_D0__GPIO2_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ 177 }; 178 179 static iomux_v3_cfg_t const usdhc4_pads[] = { 180 MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), 181 MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), 182 MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 183 MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 184 MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 185 MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 186 MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 187 MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 188 MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 189 MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), 190 }; 191 192 static struct fsl_esdhc_cfg usdhc_cfg[3] = { 193 {USDHC2_BASE_ADDR}, 194 {USDHC3_BASE_ADDR}, 195 {USDHC4_BASE_ADDR}, 196 }; 197 198 #define USDHC2_CD_GPIO IMX_GPIO_NR(2, 2) 199 #define USDHC3_CD_GPIO IMX_GPIO_NR(2, 0) 200 201 int board_mmc_getcd(struct mmc *mmc) 202 { 203 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; 204 int ret = 0; 205 206 switch (cfg->esdhc_base) { 207 case USDHC2_BASE_ADDR: 208 ret = !gpio_get_value(USDHC2_CD_GPIO); 209 break; 210 case USDHC3_BASE_ADDR: 211 ret = !gpio_get_value(USDHC3_CD_GPIO); 212 break; 213 case USDHC4_BASE_ADDR: 214 ret = 1; /* eMMC/uSDHC4 is always present */ 215 break; 216 } 217 return ret; 218 } 219 220 int board_mmc_init(bd_t *bis) 221 { 222 /* 223 * (U-Boot device node) (Physical Port) 224 * mmc0 SD2 225 * mmc1 SD3 226 * mmc2 eMMC 227 */ 228 int i, ret; 229 for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { 230 switch (i) { 231 case 0: 232 imx_iomux_v3_setup_multiple_pads( 233 usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); 234 gpio_direction_input(USDHC2_CD_GPIO); 235 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); 236 break; 237 case 1: 238 imx_iomux_v3_setup_multiple_pads( 239 usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); 240 gpio_direction_input(USDHC3_CD_GPIO); 241 usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); 242 break; 243 case 2: 244 imx_iomux_v3_setup_multiple_pads( 245 usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); 246 usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); 247 break; 248 default: 249 printf("Warning: you configured more USDHC controllers" 250 "(%d) then supported by the board (%d)\n", 251 i + 1, CONFIG_SYS_FSL_USDHC_NUM); 252 return -EINVAL; 253 } 254 ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]); 255 if (ret) 256 return ret; 257 } 258 return 0; 259 } 260 261 /* set environment device to boot device when booting from SD */ 262 int board_mmc_get_env_dev(int devno) 263 { 264 return devno - 1; 265 } 266 267 int board_mmc_get_env_part(int devno) 268 { 269 return (devno == 3) ? 1 : 0; /* part 0 for SD2 / SD3, part 1 for eMMC */ 270 } 271 #endif /* CONFIG_FSL_ESDHC */ 272 273 #ifdef CONFIG_VIDEO_IPUV3 274 static void do_enable_hdmi(struct display_info_t const *dev) 275 { 276 imx_enable_hdmi_phy(); 277 } 278 279 struct display_info_t const displays[] = {{ 280 .bus = -1, 281 .addr = 0, 282 .pixfmt = IPU_PIX_FMT_RGB24, 283 .detect = detect_hdmi, 284 .enable = do_enable_hdmi, 285 .mode = { 286 .name = "HDMI", 287 /* 1024x768@60Hz (VESA)*/ 288 .refresh = 60, 289 .xres = 1024, 290 .yres = 768, 291 .pixclock = 15384, 292 .left_margin = 160, 293 .right_margin = 24, 294 .upper_margin = 29, 295 .lower_margin = 3, 296 .hsync_len = 136, 297 .vsync_len = 6, 298 .sync = FB_SYNC_EXT, 299 .vmode = FB_VMODE_NONINTERLACED 300 } } }; 301 size_t display_count = ARRAY_SIZE(displays); 302 303 static void setup_display(void) 304 { 305 struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; 306 int reg; 307 s32 timeout = 100000; 308 309 enable_ipu_clock(); 310 imx_setup_hdmi(); 311 312 /* set video pll to 455MHz (24MHz * (37+11/12) / 2) */ 313 reg = readl(&ccm->analog_pll_video); 314 reg |= BM_ANADIG_PLL_VIDEO_POWERDOWN; 315 writel(reg, &ccm->analog_pll_video); 316 317 reg &= ~BM_ANADIG_PLL_VIDEO_DIV_SELECT; 318 reg |= BF_ANADIG_PLL_VIDEO_DIV_SELECT(37); 319 reg &= ~BM_ANADIG_PLL_VIDEO_POST_DIV_SELECT; 320 reg |= BF_ANADIG_PLL_VIDEO_POST_DIV_SELECT(1); 321 writel(reg, &ccm->analog_pll_video); 322 323 writel(BF_ANADIG_PLL_VIDEO_NUM_A(11), &ccm->analog_pll_video_num); 324 writel(BF_ANADIG_PLL_VIDEO_DENOM_B(12), &ccm->analog_pll_video_denom); 325 326 reg &= ~BM_ANADIG_PLL_VIDEO_POWERDOWN; 327 writel(reg, &ccm->analog_pll_video); 328 329 while (timeout--) 330 if (readl(&ccm->analog_pll_video) & BM_ANADIG_PLL_VIDEO_LOCK) 331 break; 332 if (timeout < 0) 333 printf("Warning: video pll lock timeout!\n"); 334 335 reg = readl(&ccm->analog_pll_video); 336 reg |= BM_ANADIG_PLL_VIDEO_ENABLE; 337 reg &= ~BM_ANADIG_PLL_VIDEO_BYPASS; 338 writel(reg, &ccm->analog_pll_video); 339 340 /* gate ipu1_di0_clk */ 341 reg = readl(&ccm->CCGR3); 342 reg &= ~MXC_CCM_CCGR3_LDB_DI0_MASK; 343 writel(reg, &ccm->CCGR3); 344 345 /* select video_pll clock / 7 for ipu1_di0_clk -> 65MHz pixclock */ 346 reg = readl(&ccm->chsccdr); 347 reg &= ~(MXC_CCM_CHSCCDR_IPU1_DI0_PRE_CLK_SEL_MASK | 348 MXC_CCM_CHSCCDR_IPU1_DI0_PODF_MASK | 349 MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK); 350 reg |= (2 << MXC_CCM_CHSCCDR_IPU1_DI0_PRE_CLK_SEL_OFFSET) | 351 (6 << MXC_CCM_CHSCCDR_IPU1_DI0_PODF_OFFSET) | 352 (0 << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET); 353 writel(reg, &ccm->chsccdr); 354 355 /* enable ipu1_di0_clk */ 356 reg = readl(&ccm->CCGR3); 357 reg |= MXC_CCM_CCGR3_LDB_DI0_MASK; 358 writel(reg, &ccm->CCGR3); 359 } 360 #endif /* CONFIG_VIDEO_IPUV3 */ 361 362 int board_eth_init(bd_t *bis) 363 { 364 setup_iomux_enet(); 365 setup_pcie(); 366 return cpu_eth_init(bis); 367 } 368 369 int board_early_init_f(void) 370 { 371 setup_iomux_uart(); 372 return 0; 373 } 374 375 #ifdef CONFIG_CMD_BMODE 376 static const struct boot_mode board_boot_modes[] = { 377 /* 4 bit bus width */ 378 {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)}, 379 {"sd3", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)}, 380 /* 8 bit bus width */ 381 {"emmc", MAKE_CFGVAL(0x40, 0x38, 0x00, 0x00)}, 382 {NULL, 0}, 383 }; 384 #endif 385 386 #ifdef CONFIG_USB_EHCI_MX6 387 static iomux_v3_cfg_t const usb_otg_pads[] = { 388 MX6_PAD_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL), 389 }; 390 #endif 391 392 int board_init(void) 393 { 394 /* address of boot parameters */ 395 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; 396 397 #ifdef CONFIG_VIDEO_IPUV3 398 setup_display(); 399 #endif 400 #ifdef CONFIG_SYS_I2C 401 setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info0); 402 setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); 403 setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2); 404 #endif 405 #ifdef CONFIG_DWC_AHSATA 406 setup_sata(); 407 #endif 408 #ifdef CONFIG_CMD_BMODE 409 add_board_boot_modes(board_boot_modes); 410 #endif 411 #ifdef CONFIG_USB_EHCI_MX6 412 imx_iomux_v3_setup_multiple_pads( 413 usb_otg_pads, ARRAY_SIZE(usb_otg_pads)); 414 #endif 415 return 0; 416 } 417 418 int checkboard(void) 419 { 420 puts("Board: TBS2910 Matrix ARM mini PC\n"); 421 return 0; 422 } 423