dms-ba16.c 16 KB

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  1. /*
  2. * Copyright 2016 Timesys Corporation
  3. * Copyright 2016 Advantech Corporation
  4. * Copyright 2012 Freescale Semiconductor, Inc.
  5. *
  6. * SPDX-License-Identifier: GPL-2.0+
  7. */
  8. #include <asm/arch/clock.h>
  9. #include <asm/arch/imx-regs.h>
  10. #include <asm/arch/iomux.h>
  11. #include <asm/arch/mx6-pins.h>
  12. #include <linux/errno.h>
  13. #include <asm/gpio.h>
  14. #include <asm/imx-common/mxc_i2c.h>
  15. #include <asm/imx-common/iomux-v3.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. #include <pwm.h>
  28. DECLARE_GLOBAL_DATA_PTR;
  29. #define NC_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
  30. PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
  31. PAD_CTL_HYS)
  32. #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
  33. PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
  34. PAD_CTL_SRE_FAST | PAD_CTL_HYS)
  35. #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \
  36. PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \
  37. PAD_CTL_SRE_FAST | PAD_CTL_HYS)
  38. #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
  39. PAD_CTL_SPEED_HIGH | PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST)
  40. #define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \
  41. PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST)
  42. #define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
  43. PAD_CTL_SPEED_HIGH | PAD_CTL_SRE_FAST)
  44. #define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
  45. PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
  46. #define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
  47. PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
  48. PAD_CTL_ODE | PAD_CTL_SRE_FAST)
  49. #define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)
  50. int dram_init(void)
  51. {
  52. gd->ram_size = imx_ddr_size();
  53. return 0;
  54. }
  55. static iomux_v3_cfg_t const uart3_pads[] = {
  56. MX6_PAD_EIM_D31__UART3_RTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
  57. MX6_PAD_EIM_D23__UART3_CTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
  58. MX6_PAD_EIM_D24__UART3_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
  59. MX6_PAD_EIM_D25__UART3_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
  60. };
  61. static iomux_v3_cfg_t const uart4_pads[] = {
  62. MX6_PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
  63. MX6_PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
  64. };
  65. static iomux_v3_cfg_t const enet_pads[] = {
  66. MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
  67. MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
  68. MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
  69. MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
  70. MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
  71. MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
  72. MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
  73. MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
  74. MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
  75. MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
  76. MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
  77. MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
  78. MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
  79. MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
  80. MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
  81. /* AR8033 PHY Reset */
  82. MX6_PAD_ENET_TX_EN__GPIO1_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL),
  83. };
  84. static void setup_iomux_enet(void)
  85. {
  86. imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
  87. /* Reset AR8033 PHY */
  88. gpio_direction_output(IMX_GPIO_NR(1, 28), 0);
  89. udelay(500);
  90. gpio_set_value(IMX_GPIO_NR(1, 28), 1);
  91. }
  92. static iomux_v3_cfg_t const usdhc2_pads[] = {
  93. MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  94. MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  95. MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  96. MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  97. MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  98. MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  99. MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL),
  100. };
  101. static iomux_v3_cfg_t const usdhc3_pads[] = {
  102. MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  103. MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  104. MX6_PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  105. MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  106. MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  107. MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  108. MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  109. MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  110. MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  111. MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  112. MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  113. };
  114. static iomux_v3_cfg_t const usdhc4_pads[] = {
  115. MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  116. MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  117. MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  118. MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  119. MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  120. MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  121. MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  122. MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  123. MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  124. MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  125. MX6_PAD_NANDF_CS0__GPIO6_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
  126. MX6_PAD_NANDF_CS1__GPIO6_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL),
  127. };
  128. static iomux_v3_cfg_t const ecspi1_pads[] = {
  129. MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
  130. MX6_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
  131. MX6_PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
  132. MX6_PAD_EIM_EB2__GPIO2_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL),
  133. };
  134. static struct i2c_pads_info i2c_pad_info1 = {
  135. .scl = {
  136. .i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL | I2C_PAD,
  137. .gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27 | I2C_PAD,
  138. .gp = IMX_GPIO_NR(5, 27)
  139. },
  140. .sda = {
  141. .i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA | I2C_PAD,
  142. .gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26 | I2C_PAD,
  143. .gp = IMX_GPIO_NR(5, 26)
  144. }
  145. };
  146. static struct i2c_pads_info i2c_pad_info2 = {
  147. .scl = {
  148. .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD,
  149. .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD,
  150. .gp = IMX_GPIO_NR(4, 12)
  151. },
  152. .sda = {
  153. .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD,
  154. .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD,
  155. .gp = IMX_GPIO_NR(4, 13)
  156. }
  157. };
  158. static struct i2c_pads_info i2c_pad_info3 = {
  159. .scl = {
  160. .i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | I2C_PAD,
  161. .gpio_mode = MX6_PAD_GPIO_3__GPIO1_IO03 | I2C_PAD,
  162. .gp = IMX_GPIO_NR(1, 3)
  163. },
  164. .sda = {
  165. .i2c_mode = MX6_PAD_GPIO_6__I2C3_SDA | I2C_PAD,
  166. .gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06 | I2C_PAD,
  167. .gp = IMX_GPIO_NR(1, 6)
  168. }
  169. };
  170. #ifdef CONFIG_MXC_SPI
  171. int board_spi_cs_gpio(unsigned bus, unsigned cs)
  172. {
  173. return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(2, 30)) : -1;
  174. }
  175. static void setup_spi(void)
  176. {
  177. imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads));
  178. }
  179. #endif
  180. static iomux_v3_cfg_t const pcie_pads[] = {
  181. MX6_PAD_GPIO_5__GPIO1_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL),
  182. MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL),
  183. };
  184. static void setup_pcie(void)
  185. {
  186. imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads));
  187. }
  188. static void setup_iomux_uart(void)
  189. {
  190. imx_iomux_v3_setup_multiple_pads(uart3_pads, ARRAY_SIZE(uart3_pads));
  191. imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads));
  192. }
  193. #ifdef CONFIG_FSL_ESDHC
  194. struct fsl_esdhc_cfg usdhc_cfg[3] = {
  195. {USDHC2_BASE_ADDR},
  196. {USDHC3_BASE_ADDR},
  197. {USDHC4_BASE_ADDR},
  198. };
  199. #define USDHC2_CD_GPIO IMX_GPIO_NR(1, 4)
  200. #define USDHC4_CD_GPIO IMX_GPIO_NR(6, 11)
  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. switch (cfg->esdhc_base) {
  206. case USDHC2_BASE_ADDR:
  207. ret = !gpio_get_value(USDHC2_CD_GPIO);
  208. break;
  209. case USDHC3_BASE_ADDR:
  210. ret = 1; /* eMMC is always present */
  211. break;
  212. case USDHC4_BASE_ADDR:
  213. ret = !gpio_get_value(USDHC4_CD_GPIO);
  214. break;
  215. }
  216. return ret;
  217. }
  218. int board_mmc_init(bd_t *bis)
  219. {
  220. int ret;
  221. int i;
  222. for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
  223. switch (i) {
  224. case 0:
  225. imx_iomux_v3_setup_multiple_pads(
  226. usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
  227. gpio_direction_input(USDHC2_CD_GPIO);
  228. usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
  229. break;
  230. case 1:
  231. imx_iomux_v3_setup_multiple_pads(
  232. usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
  233. usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
  234. break;
  235. case 2:
  236. imx_iomux_v3_setup_multiple_pads(
  237. usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
  238. gpio_direction_input(USDHC4_CD_GPIO);
  239. usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
  240. break;
  241. default:
  242. printf("Warning: you configured more USDHC controllers\n"
  243. "(%d) then supported by the board (%d)\n",
  244. i + 1, CONFIG_SYS_FSL_USDHC_NUM);
  245. return -EINVAL;
  246. }
  247. ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
  248. if (ret)
  249. return ret;
  250. }
  251. return 0;
  252. }
  253. #endif
  254. static int mx6_rgmii_rework(struct phy_device *phydev)
  255. {
  256. /* set device address 0x7 */
  257. phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
  258. /* offset 0x8016: CLK_25M Clock Select */
  259. phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
  260. /* enable register write, no post increment, address 0x7 */
  261. phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
  262. /* set to 125 MHz from local PLL source */
  263. phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x18);
  264. /* set debug port address: SerDes Test and System Mode Control */
  265. phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
  266. /* enable rgmii tx clock delay */
  267. phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
  268. return 0;
  269. }
  270. int board_phy_config(struct phy_device *phydev)
  271. {
  272. mx6_rgmii_rework(phydev);
  273. if (phydev->drv->config)
  274. phydev->drv->config(phydev);
  275. return 0;
  276. }
  277. #if defined(CONFIG_VIDEO_IPUV3)
  278. static iomux_v3_cfg_t const backlight_pads[] = {
  279. /* Power for LVDS Display */
  280. MX6_PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL),
  281. #define LVDS_POWER_GP IMX_GPIO_NR(3, 22)
  282. /* Backlight enable for LVDS display */
  283. MX6_PAD_GPIO_0__GPIO1_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL),
  284. #define LVDS_BACKLIGHT_GP IMX_GPIO_NR(1, 0)
  285. /* backlight PWM brightness control */
  286. MX6_PAD_SD1_DAT3__PWM1_OUT | MUX_PAD_CTRL(NO_PAD_CTRL),
  287. };
  288. static void do_enable_hdmi(struct display_info_t const *dev)
  289. {
  290. imx_enable_hdmi_phy();
  291. }
  292. int board_cfb_skip(void)
  293. {
  294. gpio_direction_output(LVDS_POWER_GP, 1);
  295. return 0;
  296. }
  297. static int detect_baseboard(struct display_info_t const *dev)
  298. {
  299. return 0 == dev->addr;
  300. }
  301. struct display_info_t const displays[] = {{
  302. .bus = -1,
  303. .addr = 0,
  304. .pixfmt = IPU_PIX_FMT_RGB24,
  305. .detect = detect_baseboard,
  306. .enable = NULL,
  307. .mode = {
  308. .name = "SHARP-LQ156M1LG21",
  309. .refresh = 60,
  310. .xres = 1920,
  311. .yres = 1080,
  312. .pixclock = 7851,
  313. .left_margin = 100,
  314. .right_margin = 40,
  315. .upper_margin = 30,
  316. .lower_margin = 3,
  317. .hsync_len = 10,
  318. .vsync_len = 2,
  319. .sync = FB_SYNC_EXT,
  320. .vmode = FB_VMODE_NONINTERLACED
  321. } }, {
  322. .bus = -1,
  323. .addr = 3,
  324. .pixfmt = IPU_PIX_FMT_RGB24,
  325. .detect = detect_hdmi,
  326. .enable = do_enable_hdmi,
  327. .mode = {
  328. .name = "HDMI",
  329. .refresh = 60,
  330. .xres = 1024,
  331. .yres = 768,
  332. .pixclock = 15385,
  333. .left_margin = 220,
  334. .right_margin = 40,
  335. .upper_margin = 21,
  336. .lower_margin = 7,
  337. .hsync_len = 60,
  338. .vsync_len = 10,
  339. .sync = FB_SYNC_EXT,
  340. .vmode = FB_VMODE_NONINTERLACED
  341. } } };
  342. size_t display_count = ARRAY_SIZE(displays);
  343. static void setup_display(void)
  344. {
  345. struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
  346. struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
  347. clrbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
  348. imx_setup_hdmi();
  349. /* Set LDB_DI0 as clock source for IPU_DI0 */
  350. clrsetbits_le32(&mxc_ccm->chsccdr,
  351. MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK,
  352. (CHSCCDR_CLK_SEL_LDB_DI0 <<
  353. MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET));
  354. /* Turn on IPU LDB DI0 clocks */
  355. setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
  356. enable_ipu_clock();
  357. writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |
  358. IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH |
  359. IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
  360. IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG |
  361. IOMUXC_GPR2_DATA_WIDTH_CH1_24BIT |
  362. IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
  363. IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT |
  364. IOMUXC_GPR2_SPLIT_MODE_EN_MASK |
  365. IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0 |
  366. IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0,
  367. &iomux->gpr[2]);
  368. clrsetbits_le32(&iomux->gpr[3],
  369. IOMUXC_GPR3_LVDS0_MUX_CTL_MASK |
  370. IOMUXC_GPR3_LVDS1_MUX_CTL_MASK |
  371. IOMUXC_GPR3_HDMI_MUX_CTL_MASK,
  372. (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 <<
  373. IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET));
  374. /* backlights off until needed */
  375. imx_iomux_v3_setup_multiple_pads(backlight_pads,
  376. ARRAY_SIZE(backlight_pads));
  377. gpio_direction_input(LVDS_POWER_GP);
  378. gpio_direction_input(LVDS_BACKLIGHT_GP);
  379. }
  380. #endif /* CONFIG_VIDEO_IPUV3 */
  381. /*
  382. * Do not overwrite the console
  383. * Use always serial for U-Boot console
  384. */
  385. int overwrite_console(void)
  386. {
  387. return 1;
  388. }
  389. int board_eth_init(bd_t *bis)
  390. {
  391. setup_iomux_enet();
  392. setup_pcie();
  393. return cpu_eth_init(bis);
  394. }
  395. static iomux_v3_cfg_t const misc_pads[] = {
  396. MX6_PAD_KEY_ROW2__GPIO4_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
  397. MX6_PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(NC_PAD_CTRL),
  398. MX6_PAD_EIM_CS0__GPIO2_IO23 | MUX_PAD_CTRL(NC_PAD_CTRL),
  399. MX6_PAD_EIM_CS1__GPIO2_IO24 | MUX_PAD_CTRL(NC_PAD_CTRL),
  400. MX6_PAD_EIM_OE__GPIO2_IO25 | MUX_PAD_CTRL(NC_PAD_CTRL),
  401. MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NC_PAD_CTRL),
  402. MX6_PAD_GPIO_1__GPIO1_IO01 | MUX_PAD_CTRL(NC_PAD_CTRL),
  403. };
  404. #define SUS_S3_OUT IMX_GPIO_NR(4, 11)
  405. #define WIFI_EN IMX_GPIO_NR(6, 14)
  406. int setup_ba16_sata(void)
  407. {
  408. struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
  409. int ret;
  410. ret = enable_sata_clock();
  411. if (ret)
  412. return ret;
  413. clrsetbits_le32(&iomuxc_regs->gpr[13],
  414. IOMUXC_GPR13_SATA_MASK,
  415. IOMUXC_GPR13_SATA_PHY_8_RXEQ_3P0DB
  416. |IOMUXC_GPR13_SATA_PHY_7_SATA2M
  417. |IOMUXC_GPR13_SATA_SPEED_3G
  418. |(1<<IOMUXC_GPR13_SATA_PHY_6_SHIFT)
  419. |IOMUXC_GPR13_SATA_SATA_PHY_5_SS_DISABLED
  420. |IOMUXC_GPR13_SATA_SATA_PHY_4_ATTEN_12_16
  421. |IOMUXC_GPR13_SATA_PHY_3_TXBOOST_3P33_DB
  422. |IOMUXC_GPR13_SATA_PHY_2_TX_1P133V
  423. |IOMUXC_GPR13_SATA_PHY_1_SLOW);
  424. return 0;
  425. }
  426. int board_early_init_f(void)
  427. {
  428. imx_iomux_v3_setup_multiple_pads(misc_pads,
  429. ARRAY_SIZE(misc_pads));
  430. setup_iomux_uart();
  431. #if defined(CONFIG_VIDEO_IPUV3)
  432. /* Set LDB clock to PLL2 PFD0 */
  433. select_ldb_di_clock_source(MXC_PLL2_PFD0_CLK);
  434. #endif
  435. return 0;
  436. }
  437. int board_init(void)
  438. {
  439. gpio_direction_output(SUS_S3_OUT, 1);
  440. gpio_direction_output(WIFI_EN, 1);
  441. #if defined(CONFIG_VIDEO_IPUV3)
  442. setup_display();
  443. #endif
  444. /* address of boot parameters */
  445. gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
  446. #ifdef CONFIG_MXC_SPI
  447. setup_spi();
  448. #endif
  449. setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
  450. setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
  451. setup_i2c(3, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3);
  452. return 0;
  453. }
  454. #ifdef CONFIG_CMD_BMODE
  455. static const struct boot_mode board_boot_modes[] = {
  456. /* 4 bit bus width */
  457. {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
  458. {"sd3", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
  459. {NULL, 0},
  460. };
  461. #endif
  462. int board_late_init(void)
  463. {
  464. #ifdef CONFIG_CMD_BMODE
  465. add_board_boot_modes(board_boot_modes);
  466. #endif
  467. /*
  468. * We need at least 200ms between power on and backlight on
  469. * as per specifications from CHI MEI
  470. */
  471. mdelay(250);
  472. /* enable backlight PWM 1 */
  473. pwm_init(0, 0, 0);
  474. /* duty cycle 5000000ns, period: 5000000ns */
  475. pwm_config(0, 5000000, 5000000);
  476. /* Backlight Power */
  477. gpio_direction_output(LVDS_BACKLIGHT_GP, 1);
  478. pwm_enable(0);
  479. #ifdef CONFIG_CMD_SATA
  480. setup_ba16_sata();
  481. #endif
  482. return 0;
  483. }
  484. int checkboard(void)
  485. {
  486. printf("BOARD: %s\n", CONFIG_BOARD_NAME);
  487. return 0;
  488. }