mx51evk.c 16 KB

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  1. /*
  2. * (C) Copyright 2009 Freescale Semiconductor, Inc.
  3. *
  4. * See file CREDITS for list of people who contributed to this
  5. * project.
  6. *
  7. * This program is free software; you can redistribute it and/or
  8. * modify it under the terms of the GNU General Public License as
  9. * published by the Free Software Foundation; either version 2 of
  10. * the License, or (at your option) any later version.
  11. *
  12. * This program is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. * GNU General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU General Public License
  18. * along with this program; if not, write to the Free Software
  19. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  20. * MA 02111-1307 USA
  21. */
  22. #include <common.h>
  23. #include <asm/io.h>
  24. #include <asm/gpio.h>
  25. #include <asm/arch/imx-regs.h>
  26. #include <asm/arch/mx5x_pins.h>
  27. #include <asm/arch/iomux.h>
  28. #include <asm/errno.h>
  29. #include <asm/arch/sys_proto.h>
  30. #include <asm/arch/crm_regs.h>
  31. #include <i2c.h>
  32. #include <mmc.h>
  33. #include <fsl_esdhc.h>
  34. #include <pmic.h>
  35. #include <fsl_pmic.h>
  36. #include <mc13892.h>
  37. #include <usb/ehci-fsl.h>
  38. #include <linux/fb.h>
  39. #include <ipu_pixfmt.h>
  40. #define MX51EVK_LCD_3V3 (3 * 32 + 9) /* GPIO4_9 */
  41. #define MX51EVK_LCD_5V (3 * 32 + 10) /* GPIO4_10 */
  42. #define MX51EVK_LCD_BACKLIGHT (2 * 32 + 4) /* GPIO3_4 */
  43. DECLARE_GLOBAL_DATA_PTR;
  44. #ifdef CONFIG_FSL_ESDHC
  45. struct fsl_esdhc_cfg esdhc_cfg[2] = {
  46. {MMC_SDHC1_BASE_ADDR, 1},
  47. {MMC_SDHC2_BASE_ADDR, 1},
  48. };
  49. #endif
  50. int dram_init(void)
  51. {
  52. /* dram_init must store complete ramsize in gd->ram_size */
  53. gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
  54. PHYS_SDRAM_1_SIZE);
  55. return 0;
  56. }
  57. static void setup_iomux_uart(void)
  58. {
  59. unsigned int pad = PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE |
  60. PAD_CTL_PUE_PULL | PAD_CTL_DRV_HIGH;
  61. mxc_request_iomux(MX51_PIN_UART1_RXD, IOMUX_CONFIG_ALT0);
  62. mxc_iomux_set_pad(MX51_PIN_UART1_RXD, pad | PAD_CTL_SRE_FAST);
  63. mxc_request_iomux(MX51_PIN_UART1_TXD, IOMUX_CONFIG_ALT0);
  64. mxc_iomux_set_pad(MX51_PIN_UART1_TXD, pad | PAD_CTL_SRE_FAST);
  65. mxc_request_iomux(MX51_PIN_UART1_RTS, IOMUX_CONFIG_ALT0);
  66. mxc_iomux_set_pad(MX51_PIN_UART1_RTS, pad);
  67. mxc_request_iomux(MX51_PIN_UART1_CTS, IOMUX_CONFIG_ALT0);
  68. mxc_iomux_set_pad(MX51_PIN_UART1_CTS, pad);
  69. }
  70. static void setup_iomux_fec(void)
  71. {
  72. /*FEC_MDIO*/
  73. mxc_request_iomux(MX51_PIN_EIM_EB2 , IOMUX_CONFIG_ALT3);
  74. mxc_iomux_set_pad(MX51_PIN_EIM_EB2 , 0x1FD);
  75. /*FEC_MDC*/
  76. mxc_request_iomux(MX51_PIN_NANDF_CS3, IOMUX_CONFIG_ALT2);
  77. mxc_iomux_set_pad(MX51_PIN_NANDF_CS3, 0x2004);
  78. /* FEC RDATA[3] */
  79. mxc_request_iomux(MX51_PIN_EIM_CS3, IOMUX_CONFIG_ALT3);
  80. mxc_iomux_set_pad(MX51_PIN_EIM_CS3, 0x180);
  81. /* FEC RDATA[2] */
  82. mxc_request_iomux(MX51_PIN_EIM_CS2, IOMUX_CONFIG_ALT3);
  83. mxc_iomux_set_pad(MX51_PIN_EIM_CS2, 0x180);
  84. /* FEC RDATA[1] */
  85. mxc_request_iomux(MX51_PIN_EIM_EB3, IOMUX_CONFIG_ALT3);
  86. mxc_iomux_set_pad(MX51_PIN_EIM_EB3, 0x180);
  87. /* FEC RDATA[0] */
  88. mxc_request_iomux(MX51_PIN_NANDF_D9, IOMUX_CONFIG_ALT2);
  89. mxc_iomux_set_pad(MX51_PIN_NANDF_D9, 0x2180);
  90. /* FEC TDATA[3] */
  91. mxc_request_iomux(MX51_PIN_NANDF_CS6, IOMUX_CONFIG_ALT2);
  92. mxc_iomux_set_pad(MX51_PIN_NANDF_CS6, 0x2004);
  93. /* FEC TDATA[2] */
  94. mxc_request_iomux(MX51_PIN_NANDF_CS5, IOMUX_CONFIG_ALT2);
  95. mxc_iomux_set_pad(MX51_PIN_NANDF_CS5, 0x2004);
  96. /* FEC TDATA[1] */
  97. mxc_request_iomux(MX51_PIN_NANDF_CS4, IOMUX_CONFIG_ALT2);
  98. mxc_iomux_set_pad(MX51_PIN_NANDF_CS4, 0x2004);
  99. /* FEC TDATA[0] */
  100. mxc_request_iomux(MX51_PIN_NANDF_D8, IOMUX_CONFIG_ALT2);
  101. mxc_iomux_set_pad(MX51_PIN_NANDF_D8, 0x2004);
  102. /* FEC TX_EN */
  103. mxc_request_iomux(MX51_PIN_NANDF_CS7, IOMUX_CONFIG_ALT1);
  104. mxc_iomux_set_pad(MX51_PIN_NANDF_CS7, 0x2004);
  105. /* FEC TX_ER */
  106. mxc_request_iomux(MX51_PIN_NANDF_CS2, IOMUX_CONFIG_ALT2);
  107. mxc_iomux_set_pad(MX51_PIN_NANDF_CS2, 0x2004);
  108. /* FEC TX_CLK */
  109. mxc_request_iomux(MX51_PIN_NANDF_RDY_INT, IOMUX_CONFIG_ALT1);
  110. mxc_iomux_set_pad(MX51_PIN_NANDF_RDY_INT, 0x2180);
  111. /* FEC TX_COL */
  112. mxc_request_iomux(MX51_PIN_NANDF_RB2, IOMUX_CONFIG_ALT1);
  113. mxc_iomux_set_pad(MX51_PIN_NANDF_RB2, 0x2180);
  114. /* FEC RX_CLK */
  115. mxc_request_iomux(MX51_PIN_NANDF_RB3, IOMUX_CONFIG_ALT1);
  116. mxc_iomux_set_pad(MX51_PIN_NANDF_RB3, 0x2180);
  117. /* FEC RX_CRS */
  118. mxc_request_iomux(MX51_PIN_EIM_CS5, IOMUX_CONFIG_ALT3);
  119. mxc_iomux_set_pad(MX51_PIN_EIM_CS5, 0x180);
  120. /* FEC RX_ER */
  121. mxc_request_iomux(MX51_PIN_EIM_CS4, IOMUX_CONFIG_ALT3);
  122. mxc_iomux_set_pad(MX51_PIN_EIM_CS4, 0x180);
  123. /* FEC RX_DV */
  124. mxc_request_iomux(MX51_PIN_NANDF_D11, IOMUX_CONFIG_ALT2);
  125. mxc_iomux_set_pad(MX51_PIN_NANDF_D11, 0x2180);
  126. }
  127. #ifdef CONFIG_MXC_SPI
  128. static void setup_iomux_spi(void)
  129. {
  130. /* 000: Select mux mode: ALT0 mux port: MOSI of instance: ecspi1 */
  131. mxc_request_iomux(MX51_PIN_CSPI1_MOSI, IOMUX_CONFIG_ALT0);
  132. mxc_iomux_set_pad(MX51_PIN_CSPI1_MOSI, 0x105);
  133. /* 000: Select mux mode: ALT0 mux port: MISO of instance: ecspi1. */
  134. mxc_request_iomux(MX51_PIN_CSPI1_MISO, IOMUX_CONFIG_ALT0);
  135. mxc_iomux_set_pad(MX51_PIN_CSPI1_MISO, 0x105);
  136. /* de-select SS1 of instance: ecspi1. */
  137. mxc_request_iomux(MX51_PIN_CSPI1_SS1, IOMUX_CONFIG_ALT3);
  138. mxc_iomux_set_pad(MX51_PIN_CSPI1_SS1, 0x85);
  139. /* 000: Select mux mode: ALT0 mux port: SS0 ecspi1 */
  140. mxc_request_iomux(MX51_PIN_CSPI1_SS0, IOMUX_CONFIG_ALT0);
  141. mxc_iomux_set_pad(MX51_PIN_CSPI1_SS0, 0x185);
  142. /* 000: Select mux mode: ALT0 mux port: RDY of instance: ecspi1. */
  143. mxc_request_iomux(MX51_PIN_CSPI1_RDY, IOMUX_CONFIG_ALT0);
  144. mxc_iomux_set_pad(MX51_PIN_CSPI1_RDY, 0x180);
  145. /* 000: Select mux mode: ALT0 mux port: SCLK of instance: ecspi1. */
  146. mxc_request_iomux(MX51_PIN_CSPI1_SCLK, IOMUX_CONFIG_ALT0);
  147. mxc_iomux_set_pad(MX51_PIN_CSPI1_SCLK, 0x105);
  148. }
  149. #endif
  150. #ifdef CONFIG_USB_EHCI_MX5
  151. #define MX51EVK_USBH1_HUB_RST IOMUX_TO_GPIO(MX51_PIN_GPIO1_7) /* GPIO1_7 */
  152. #define MX51EVK_USBH1_STP IOMUX_TO_GPIO(MX51_PIN_USBH1_STP) /* GPIO1_27 */
  153. #define MX51EVK_USB_CLK_EN_B IOMUX_TO_GPIO(MX51_PIN_EIM_D18) /* GPIO2_1 */
  154. #define MX51EVK_USB_PHY_RESET IOMUX_TO_GPIO(MX51_PIN_EIM_D21) /* GPIO2_5 */
  155. #define USBH1_PAD (PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH | \
  156. PAD_CTL_100K_PU | PAD_CTL_PUE_PULL | \
  157. PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE)
  158. #define GPIO_PAD (PAD_CTL_DRV_HIGH | PAD_CTL_PKE_ENABLE | \
  159. PAD_CTL_SRE_FAST)
  160. #define NO_PAD (1 << 16)
  161. static void setup_usb_h1(void)
  162. {
  163. setup_iomux_usb_h1();
  164. /* GPIO_1_7 for USBH1 hub reset */
  165. mxc_request_iomux(MX51_PIN_GPIO1_7, IOMUX_CONFIG_ALT0);
  166. mxc_iomux_set_pad(MX51_PIN_GPIO1_7, NO_PAD);
  167. /* GPIO_2_1 */
  168. mxc_request_iomux(MX51_PIN_EIM_D17, IOMUX_CONFIG_ALT1);
  169. mxc_iomux_set_pad(MX51_PIN_EIM_D17, GPIO_PAD);
  170. /* GPIO_2_5 for USB PHY reset */
  171. mxc_request_iomux(MX51_PIN_EIM_D21, IOMUX_CONFIG_ALT1);
  172. mxc_iomux_set_pad(MX51_PIN_EIM_D21, GPIO_PAD);
  173. }
  174. int board_ehci_hcd_init(int port)
  175. {
  176. /* Set USBH1_STP to GPIO and toggle it */
  177. mxc_request_iomux(MX51_PIN_USBH1_STP, IOMUX_CONFIG_GPIO);
  178. mxc_iomux_set_pad(MX51_PIN_USBH1_STP, USBH1_PAD);
  179. gpio_direction_output(MX51EVK_USBH1_STP, 0);
  180. gpio_direction_output(MX51EVK_USB_PHY_RESET, 0);
  181. mdelay(10);
  182. gpio_set_value(MX51EVK_USBH1_STP, 1);
  183. /* Set back USBH1_STP to be function */
  184. mxc_request_iomux(MX51_PIN_USBH1_STP, IOMUX_CONFIG_ALT0);
  185. mxc_iomux_set_pad(MX51_PIN_USBH1_STP, USBH1_PAD);
  186. /* De-assert USB PHY RESETB */
  187. gpio_set_value(MX51EVK_USB_PHY_RESET, 1);
  188. /* Drive USB_CLK_EN_B line low */
  189. gpio_direction_output(MX51EVK_USB_CLK_EN_B, 0);
  190. /* Reset USB hub */
  191. gpio_direction_output(MX51EVK_USBH1_HUB_RST, 0);
  192. mdelay(2);
  193. gpio_set_value(MX51EVK_USBH1_HUB_RST, 1);
  194. return 0;
  195. }
  196. #endif
  197. static void power_init(void)
  198. {
  199. unsigned int val;
  200. struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)MXC_CCM_BASE;
  201. struct pmic *p;
  202. pmic_init();
  203. p = get_pmic();
  204. /* Write needed to Power Gate 2 register */
  205. pmic_reg_read(p, REG_POWER_MISC, &val);
  206. val &= ~PWGT2SPIEN;
  207. pmic_reg_write(p, REG_POWER_MISC, val);
  208. /* Externally powered */
  209. pmic_reg_read(p, REG_CHARGE, &val);
  210. val |= ICHRG0 | ICHRG1 | ICHRG2 | ICHRG3 | CHGAUTOB;
  211. pmic_reg_write(p, REG_CHARGE, val);
  212. /* power up the system first */
  213. pmic_reg_write(p, REG_POWER_MISC, PWUP);
  214. /* Set core voltage to 1.1V */
  215. pmic_reg_read(p, REG_SW_0, &val);
  216. val = (val & ~SWx_VOLT_MASK) | SWx_1_100V;
  217. pmic_reg_write(p, REG_SW_0, val);
  218. /* Setup VCC (SW2) to 1.25 */
  219. pmic_reg_read(p, REG_SW_1, &val);
  220. val = (val & ~SWx_VOLT_MASK) | SWx_1_250V;
  221. pmic_reg_write(p, REG_SW_1, val);
  222. /* Setup 1V2_DIG1 (SW3) to 1.25 */
  223. pmic_reg_read(p, REG_SW_2, &val);
  224. val = (val & ~SWx_VOLT_MASK) | SWx_1_250V;
  225. pmic_reg_write(p, REG_SW_2, val);
  226. udelay(50);
  227. /* Raise the core frequency to 800MHz */
  228. writel(0x0, &mxc_ccm->cacrr);
  229. /* Set switchers in Auto in NORMAL mode & STANDBY mode */
  230. /* Setup the switcher mode for SW1 & SW2*/
  231. pmic_reg_read(p, REG_SW_4, &val);
  232. val = (val & ~((SWMODE_MASK << SWMODE1_SHIFT) |
  233. (SWMODE_MASK << SWMODE2_SHIFT)));
  234. val |= (SWMODE_AUTO_AUTO << SWMODE1_SHIFT) |
  235. (SWMODE_AUTO_AUTO << SWMODE2_SHIFT);
  236. pmic_reg_write(p, REG_SW_4, val);
  237. /* Setup the switcher mode for SW3 & SW4 */
  238. pmic_reg_read(p, REG_SW_5, &val);
  239. val = (val & ~((SWMODE_MASK << SWMODE3_SHIFT) |
  240. (SWMODE_MASK << SWMODE4_SHIFT)));
  241. val |= (SWMODE_AUTO_AUTO << SWMODE3_SHIFT) |
  242. (SWMODE_AUTO_AUTO << SWMODE4_SHIFT);
  243. pmic_reg_write(p, REG_SW_5, val);
  244. /* Set VDIG to 1.65V, VGEN3 to 1.8V, VCAM to 2.6V */
  245. pmic_reg_read(p, REG_SETTING_0, &val);
  246. val &= ~(VCAM_MASK | VGEN3_MASK | VDIG_MASK);
  247. val |= VDIG_1_65 | VGEN3_1_8 | VCAM_2_6;
  248. pmic_reg_write(p, REG_SETTING_0, val);
  249. /* Set VVIDEO to 2.775V, VAUDIO to 3V, VSD to 3.15V */
  250. pmic_reg_read(p, REG_SETTING_1, &val);
  251. val &= ~(VVIDEO_MASK | VSD_MASK | VAUDIO_MASK);
  252. val |= VSD_3_15 | VAUDIO_3_0 | VVIDEO_2_775;
  253. pmic_reg_write(p, REG_SETTING_1, val);
  254. /* Configure VGEN3 and VCAM regulators to use external PNP */
  255. val = VGEN3CONFIG | VCAMCONFIG;
  256. pmic_reg_write(p, REG_MODE_1, val);
  257. udelay(200);
  258. /* Enable VGEN3, VCAM, VAUDIO, VVIDEO, VSD regulators */
  259. val = VGEN3EN | VGEN3CONFIG | VCAMEN | VCAMCONFIG |
  260. VVIDEOEN | VAUDIOEN | VSDEN;
  261. pmic_reg_write(p, REG_MODE_1, val);
  262. mxc_request_iomux(MX51_PIN_EIM_A20, IOMUX_CONFIG_ALT1);
  263. gpio_direction_output(46, 0);
  264. udelay(500);
  265. gpio_set_value(46, 1);
  266. }
  267. #ifdef CONFIG_FSL_ESDHC
  268. int board_mmc_getcd(struct mmc *mmc)
  269. {
  270. struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
  271. int ret;
  272. mxc_request_iomux(MX51_PIN_GPIO1_0, IOMUX_CONFIG_ALT1);
  273. gpio_direction_input(0);
  274. mxc_request_iomux(MX51_PIN_GPIO1_6, IOMUX_CONFIG_ALT0);
  275. gpio_direction_input(6);
  276. if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
  277. ret = !gpio_get_value(0);
  278. else
  279. ret = !gpio_get_value(6);
  280. return ret;
  281. }
  282. int board_mmc_init(bd_t *bis)
  283. {
  284. u32 index;
  285. s32 status = 0;
  286. for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM;
  287. index++) {
  288. switch (index) {
  289. case 0:
  290. mxc_request_iomux(MX51_PIN_SD1_CMD,
  291. IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
  292. mxc_request_iomux(MX51_PIN_SD1_CLK,
  293. IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
  294. mxc_request_iomux(MX51_PIN_SD1_DATA0,
  295. IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
  296. mxc_request_iomux(MX51_PIN_SD1_DATA1,
  297. IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
  298. mxc_request_iomux(MX51_PIN_SD1_DATA2,
  299. IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
  300. mxc_request_iomux(MX51_PIN_SD1_DATA3,
  301. IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
  302. mxc_iomux_set_pad(MX51_PIN_SD1_CMD,
  303. PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
  304. PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
  305. PAD_CTL_PUE_PULL |
  306. PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
  307. mxc_iomux_set_pad(MX51_PIN_SD1_CLK,
  308. PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
  309. PAD_CTL_HYS_NONE | PAD_CTL_47K_PU |
  310. PAD_CTL_PUE_PULL |
  311. PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
  312. mxc_iomux_set_pad(MX51_PIN_SD1_DATA0,
  313. PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
  314. PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
  315. PAD_CTL_PUE_PULL |
  316. PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
  317. mxc_iomux_set_pad(MX51_PIN_SD1_DATA1,
  318. PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
  319. PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
  320. PAD_CTL_PUE_PULL |
  321. PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
  322. mxc_iomux_set_pad(MX51_PIN_SD1_DATA2,
  323. PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
  324. PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
  325. PAD_CTL_PUE_PULL |
  326. PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
  327. mxc_iomux_set_pad(MX51_PIN_SD1_DATA3,
  328. PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
  329. PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PD |
  330. PAD_CTL_PUE_PULL |
  331. PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
  332. mxc_request_iomux(MX51_PIN_GPIO1_0,
  333. IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
  334. mxc_iomux_set_pad(MX51_PIN_GPIO1_0,
  335. PAD_CTL_HYS_ENABLE);
  336. mxc_request_iomux(MX51_PIN_GPIO1_1,
  337. IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
  338. mxc_iomux_set_pad(MX51_PIN_GPIO1_1,
  339. PAD_CTL_HYS_ENABLE);
  340. break;
  341. case 1:
  342. mxc_request_iomux(MX51_PIN_SD2_CMD,
  343. IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
  344. mxc_request_iomux(MX51_PIN_SD2_CLK,
  345. IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
  346. mxc_request_iomux(MX51_PIN_SD2_DATA0,
  347. IOMUX_CONFIG_ALT0);
  348. mxc_request_iomux(MX51_PIN_SD2_DATA1,
  349. IOMUX_CONFIG_ALT0);
  350. mxc_request_iomux(MX51_PIN_SD2_DATA2,
  351. IOMUX_CONFIG_ALT0);
  352. mxc_request_iomux(MX51_PIN_SD2_DATA3,
  353. IOMUX_CONFIG_ALT0);
  354. mxc_iomux_set_pad(MX51_PIN_SD2_CMD,
  355. PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
  356. PAD_CTL_SRE_FAST);
  357. mxc_iomux_set_pad(MX51_PIN_SD2_CLK,
  358. PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
  359. PAD_CTL_SRE_FAST);
  360. mxc_iomux_set_pad(MX51_PIN_SD2_DATA0,
  361. PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
  362. PAD_CTL_SRE_FAST);
  363. mxc_iomux_set_pad(MX51_PIN_SD2_DATA1,
  364. PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
  365. PAD_CTL_SRE_FAST);
  366. mxc_iomux_set_pad(MX51_PIN_SD2_DATA2,
  367. PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
  368. PAD_CTL_SRE_FAST);
  369. mxc_iomux_set_pad(MX51_PIN_SD2_DATA3,
  370. PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
  371. PAD_CTL_SRE_FAST);
  372. mxc_request_iomux(MX51_PIN_SD2_CMD,
  373. IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
  374. mxc_request_iomux(MX51_PIN_GPIO1_6,
  375. IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
  376. mxc_iomux_set_pad(MX51_PIN_GPIO1_6,
  377. PAD_CTL_HYS_ENABLE);
  378. mxc_request_iomux(MX51_PIN_GPIO1_5,
  379. IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
  380. mxc_iomux_set_pad(MX51_PIN_GPIO1_5,
  381. PAD_CTL_HYS_ENABLE);
  382. break;
  383. default:
  384. printf("Warning: you configured more ESDHC controller"
  385. "(%d) as supported by the board(2)\n",
  386. CONFIG_SYS_FSL_ESDHC_NUM);
  387. return status;
  388. }
  389. status |= fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
  390. }
  391. return status;
  392. }
  393. #endif
  394. static struct fb_videomode claa_wvga = {
  395. .name = "CLAA07LC0ACW",
  396. .refresh = 57,
  397. .xres = 800,
  398. .yres = 480,
  399. .pixclock = 37037,
  400. .left_margin = 40,
  401. .right_margin = 60,
  402. .upper_margin = 10,
  403. .lower_margin = 10,
  404. .hsync_len = 20,
  405. .vsync_len = 10,
  406. .sync = 0,
  407. .vmode = FB_VMODE_NONINTERLACED
  408. };
  409. void lcd_iomux(void)
  410. {
  411. /* DI2_PIN15 */
  412. mxc_request_iomux(MX51_PIN_DI_GP4, IOMUX_CONFIG_ALT4);
  413. /* Pad settings for MX51_PIN_DI2_DISP_CLK */
  414. mxc_iomux_set_pad(MX51_PIN_DI2_DISP_CLK, PAD_CTL_HYS_NONE |
  415. PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
  416. PAD_CTL_DRV_MAX | PAD_CTL_SRE_SLOW);
  417. /* Turn on 3.3V voltage for LCD */
  418. mxc_request_iomux(MX51_PIN_CSI2_D12, IOMUX_CONFIG_ALT3);
  419. gpio_direction_output(MX51EVK_LCD_3V3, 1);
  420. /* Turn on 5V voltage for LCD */
  421. mxc_request_iomux(MX51_PIN_CSI2_D13, IOMUX_CONFIG_ALT3);
  422. gpio_direction_output(MX51EVK_LCD_5V, 1);
  423. /* Turn on GPIO backlight */
  424. mxc_request_iomux(MX51_PIN_DI1_D1_CS, IOMUX_CONFIG_ALT4);
  425. mxc_iomux_set_input(MX51_GPIO3_IPP_IND_G_IN_4_SELECT_INPUT,
  426. INPUT_CTL_PATH1);
  427. gpio_direction_output(MX51EVK_LCD_BACKLIGHT, 1);
  428. }
  429. void lcd_enable(void)
  430. {
  431. int ret = mx51_fb_init(&claa_wvga, 1, IPU_PIX_FMT_RGB565);
  432. if (ret)
  433. printf("LCD cannot be configured: %d\n", ret);
  434. }
  435. int board_early_init_f(void)
  436. {
  437. setup_iomux_uart();
  438. setup_iomux_fec();
  439. #ifdef CONFIG_USB_EHCI_MX5
  440. setup_usb_h1();
  441. #endif
  442. lcd_iomux();
  443. return 0;
  444. }
  445. int board_init(void)
  446. {
  447. /* address of boot parameters */
  448. gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
  449. lcd_enable();
  450. return 0;
  451. }
  452. #ifdef CONFIG_BOARD_LATE_INIT
  453. int board_late_init(void)
  454. {
  455. #ifdef CONFIG_MXC_SPI
  456. setup_iomux_spi();
  457. power_init();
  458. #endif
  459. setenv("stdout", "serial");
  460. return 0;
  461. }
  462. #endif
  463. int checkboard(void)
  464. {
  465. puts("Board: MX51EVK\n");
  466. return 0;
  467. }