cm_fx6.c 17 KB

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  1. /*
  2. * Board functions for Compulab CM-FX6 board
  3. *
  4. * Copyright (C) 2014, Compulab Ltd - http://compulab.co.il/
  5. *
  6. * Author: Nikita Kiryanov <nikita@compulab.co.il>
  7. *
  8. * SPDX-License-Identifier: GPL-2.0+
  9. */
  10. #include <common.h>
  11. #include <dm.h>
  12. #include <fsl_esdhc.h>
  13. #include <miiphy.h>
  14. #include <netdev.h>
  15. #include <errno.h>
  16. #include <usb.h>
  17. #include <fdt_support.h>
  18. #include <sata.h>
  19. #include <splash.h>
  20. #include <asm/arch/crm_regs.h>
  21. #include <asm/arch/sys_proto.h>
  22. #include <asm/arch/iomux.h>
  23. #include <asm/arch/mxc_hdmi.h>
  24. #include <asm/imx-common/mxc_i2c.h>
  25. #include <asm/imx-common/sata.h>
  26. #include <asm/imx-common/video.h>
  27. #include <asm/io.h>
  28. #include <asm/gpio.h>
  29. #include <dm/platform_data/serial_mxc.h>
  30. #include "common.h"
  31. #include "../common/eeprom.h"
  32. #include "../common/common.h"
  33. DECLARE_GLOBAL_DATA_PTR;
  34. #ifdef CONFIG_SPLASH_SCREEN
  35. static struct splash_location cm_fx6_splash_locations[] = {
  36. {
  37. .name = "sf",
  38. .storage = SPLASH_STORAGE_SF,
  39. .offset = 0x100000,
  40. },
  41. };
  42. int splash_screen_prepare(void)
  43. {
  44. return splash_source_load(cm_fx6_splash_locations,
  45. ARRAY_SIZE(cm_fx6_splash_locations));
  46. }
  47. #endif
  48. #ifdef CONFIG_IMX_HDMI
  49. static void cm_fx6_enable_hdmi(struct display_info_t const *dev)
  50. {
  51. struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
  52. imx_setup_hdmi();
  53. setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_IPU1_IPU_DI0_MASK);
  54. imx_enable_hdmi_phy();
  55. }
  56. static struct display_info_t preset_hdmi_1024X768 = {
  57. .bus = -1,
  58. .addr = 0,
  59. .pixfmt = IPU_PIX_FMT_RGB24,
  60. .enable = cm_fx6_enable_hdmi,
  61. .mode = {
  62. .name = "HDMI",
  63. .refresh = 60,
  64. .xres = 1024,
  65. .yres = 768,
  66. .pixclock = 40385,
  67. .left_margin = 220,
  68. .right_margin = 40,
  69. .upper_margin = 21,
  70. .lower_margin = 7,
  71. .hsync_len = 60,
  72. .vsync_len = 10,
  73. .sync = FB_SYNC_EXT,
  74. .vmode = FB_VMODE_NONINTERLACED,
  75. }
  76. };
  77. static void cm_fx6_setup_display(void)
  78. {
  79. struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
  80. enable_ipu_clock();
  81. clrbits_le32(&iomuxc_regs->gpr[3], MXC_CCM_CCGR3_IPU1_IPU_DI0_MASK);
  82. }
  83. int board_video_skip(void)
  84. {
  85. int ret;
  86. struct display_info_t *preset;
  87. char const *panel = getenv("displaytype");
  88. if (!panel) /* Also accept panel for backward compatibility */
  89. panel = getenv("panel");
  90. if (!panel)
  91. return -ENOENT;
  92. if (!strcmp(panel, "HDMI"))
  93. preset = &preset_hdmi_1024X768;
  94. else
  95. return -EINVAL;
  96. ret = ipuv3_fb_init(&preset->mode, 0, preset->pixfmt);
  97. if (ret) {
  98. printf("Can't init display %s: %d\n", preset->mode.name, ret);
  99. return ret;
  100. }
  101. preset->enable(preset);
  102. printf("Display: %s (%ux%u)\n", preset->mode.name, preset->mode.xres,
  103. preset->mode.yres);
  104. return 0;
  105. }
  106. #else
  107. static inline void cm_fx6_setup_display(void) {}
  108. #endif /* CONFIG_VIDEO_IPUV3 */
  109. #ifdef CONFIG_DWC_AHSATA
  110. static int cm_fx6_issd_gpios[] = {
  111. /* The order of the GPIOs in the array is important! */
  112. CM_FX6_SATA_LDO_EN,
  113. CM_FX6_SATA_PHY_SLP,
  114. CM_FX6_SATA_NRSTDLY,
  115. CM_FX6_SATA_PWREN,
  116. CM_FX6_SATA_NSTANDBY1,
  117. CM_FX6_SATA_NSTANDBY2,
  118. };
  119. static void cm_fx6_sata_power(int on)
  120. {
  121. int i;
  122. if (!on) { /* tell the iSSD that the power will be removed */
  123. gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 1);
  124. mdelay(10);
  125. }
  126. for (i = 0; i < ARRAY_SIZE(cm_fx6_issd_gpios); i++) {
  127. gpio_direction_output(cm_fx6_issd_gpios[i], on);
  128. udelay(100);
  129. }
  130. if (!on) /* for compatibility lower the power loss interrupt */
  131. gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 0);
  132. }
  133. static iomux_v3_cfg_t const sata_pads[] = {
  134. /* SATA PWR */
  135. IOMUX_PADS(PAD_ENET_TX_EN__GPIO1_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  136. IOMUX_PADS(PAD_EIM_A22__GPIO2_IO16 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  137. IOMUX_PADS(PAD_EIM_D20__GPIO3_IO20 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  138. IOMUX_PADS(PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  139. /* SATA CTRL */
  140. IOMUX_PADS(PAD_ENET_TXD0__GPIO1_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  141. IOMUX_PADS(PAD_EIM_D23__GPIO3_IO23 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  142. IOMUX_PADS(PAD_EIM_D29__GPIO3_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  143. IOMUX_PADS(PAD_EIM_A23__GPIO6_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  144. IOMUX_PADS(PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  145. };
  146. static int cm_fx6_setup_issd(void)
  147. {
  148. int ret, i;
  149. SETUP_IOMUX_PADS(sata_pads);
  150. for (i = 0; i < ARRAY_SIZE(cm_fx6_issd_gpios); i++) {
  151. ret = gpio_request(cm_fx6_issd_gpios[i], "sata");
  152. if (ret)
  153. return ret;
  154. }
  155. ret = gpio_request(CM_FX6_SATA_PWLOSS_INT, "sata_pwloss_int");
  156. if (ret)
  157. return ret;
  158. return 0;
  159. }
  160. #define CM_FX6_SATA_INIT_RETRIES 10
  161. int sata_initialize(void)
  162. {
  163. int err, i;
  164. /* Make sure this gpio has logical 0 value */
  165. gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 0);
  166. udelay(100);
  167. cm_fx6_sata_power(1);
  168. for (i = 0; i < CM_FX6_SATA_INIT_RETRIES; i++) {
  169. err = setup_sata();
  170. if (err) {
  171. printf("SATA setup failed: %d\n", err);
  172. return err;
  173. }
  174. udelay(100);
  175. err = __sata_initialize();
  176. if (!err)
  177. break;
  178. /* There is no device on the SATA port */
  179. if (sata_port_status(0, 0) == 0)
  180. break;
  181. /* There's a device, but link not established. Retry */
  182. }
  183. return err;
  184. }
  185. int sata_stop(void)
  186. {
  187. __sata_stop();
  188. cm_fx6_sata_power(0);
  189. mdelay(250);
  190. return 0;
  191. }
  192. #else
  193. static int cm_fx6_setup_issd(void) { return 0; }
  194. #endif
  195. #ifdef CONFIG_SYS_I2C_MXC
  196. #define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
  197. PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
  198. PAD_CTL_ODE | PAD_CTL_SRE_FAST)
  199. I2C_PADS(i2c0_pads,
  200. PAD_EIM_D21__I2C1_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL),
  201. PAD_EIM_D21__GPIO3_IO21 | MUX_PAD_CTRL(I2C_PAD_CTRL),
  202. IMX_GPIO_NR(3, 21),
  203. PAD_EIM_D28__I2C1_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL),
  204. PAD_EIM_D28__GPIO3_IO28 | MUX_PAD_CTRL(I2C_PAD_CTRL),
  205. IMX_GPIO_NR(3, 28));
  206. I2C_PADS(i2c1_pads,
  207. PAD_KEY_COL3__I2C2_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL),
  208. PAD_KEY_COL3__GPIO4_IO12 | MUX_PAD_CTRL(I2C_PAD_CTRL),
  209. IMX_GPIO_NR(4, 12),
  210. PAD_KEY_ROW3__I2C2_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL),
  211. PAD_KEY_ROW3__GPIO4_IO13 | MUX_PAD_CTRL(I2C_PAD_CTRL),
  212. IMX_GPIO_NR(4, 13));
  213. I2C_PADS(i2c2_pads,
  214. PAD_GPIO_3__I2C3_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL),
  215. PAD_GPIO_3__GPIO1_IO03 | MUX_PAD_CTRL(I2C_PAD_CTRL),
  216. IMX_GPIO_NR(1, 3),
  217. PAD_GPIO_6__I2C3_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL),
  218. PAD_GPIO_6__GPIO1_IO06 | MUX_PAD_CTRL(I2C_PAD_CTRL),
  219. IMX_GPIO_NR(1, 6));
  220. static int cm_fx6_setup_one_i2c(int busnum, struct i2c_pads_info *pads)
  221. {
  222. int ret;
  223. ret = setup_i2c(busnum, CONFIG_SYS_I2C_SPEED, 0x7f, pads);
  224. if (ret)
  225. printf("Warning: I2C%d setup failed: %d\n", busnum, ret);
  226. return ret;
  227. }
  228. static int cm_fx6_setup_i2c(void)
  229. {
  230. int ret = 0, err;
  231. /* i2c<x>_pads are wierd macro variables; we can't use an array */
  232. err = cm_fx6_setup_one_i2c(0, I2C_PADS_INFO(i2c0_pads));
  233. if (err)
  234. ret = err;
  235. err = cm_fx6_setup_one_i2c(1, I2C_PADS_INFO(i2c1_pads));
  236. if (err)
  237. ret = err;
  238. err = cm_fx6_setup_one_i2c(2, I2C_PADS_INFO(i2c2_pads));
  239. if (err)
  240. ret = err;
  241. return ret;
  242. }
  243. #else
  244. static int cm_fx6_setup_i2c(void) { return 0; }
  245. #endif
  246. #ifdef CONFIG_USB_EHCI_MX6
  247. #define WEAK_PULLDOWN (PAD_CTL_PUS_100K_DOWN | \
  248. PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
  249. PAD_CTL_HYS | PAD_CTL_SRE_SLOW)
  250. #define MX6_USBNC_BASEADDR 0x2184800
  251. #define USBNC_USB_H1_PWR_POL (1 << 9)
  252. static int cm_fx6_setup_usb_host(void)
  253. {
  254. int err;
  255. err = gpio_request(CM_FX6_USB_HUB_RST, "usb hub rst");
  256. if (err)
  257. return err;
  258. SETUP_IOMUX_PAD(PAD_GPIO_0__USB_H1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL));
  259. SETUP_IOMUX_PAD(PAD_SD3_RST__GPIO7_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL));
  260. return 0;
  261. }
  262. static int cm_fx6_setup_usb_otg(void)
  263. {
  264. int err;
  265. struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
  266. err = gpio_request(SB_FX6_USB_OTG_PWR, "usb-pwr");
  267. if (err) {
  268. printf("USB OTG pwr gpio request failed: %d\n", err);
  269. return err;
  270. }
  271. SETUP_IOMUX_PAD(PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL));
  272. SETUP_IOMUX_PAD(PAD_ENET_RX_ER__USB_OTG_ID |
  273. MUX_PAD_CTRL(WEAK_PULLDOWN));
  274. clrbits_le32(&iomux->gpr[1], IOMUXC_GPR1_OTG_ID_MASK);
  275. /* disable ext. charger detect, or it'll affect signal quality at dp. */
  276. return gpio_direction_output(SB_FX6_USB_OTG_PWR, 0);
  277. }
  278. int board_usb_phy_mode(int port)
  279. {
  280. return USB_INIT_HOST;
  281. }
  282. int board_ehci_hcd_init(int port)
  283. {
  284. int ret;
  285. u32 *usbnc_usb_uh1_ctrl = (u32 *)(MX6_USBNC_BASEADDR + 4);
  286. /* Only 1 host controller in use. port 0 is OTG & needs no attention */
  287. if (port != 1)
  288. return 0;
  289. /* Set PWR polarity to match power switch's enable polarity */
  290. setbits_le32(usbnc_usb_uh1_ctrl, USBNC_USB_H1_PWR_POL);
  291. ret = gpio_direction_output(CM_FX6_USB_HUB_RST, 0);
  292. if (ret)
  293. return ret;
  294. udelay(10);
  295. ret = gpio_direction_output(CM_FX6_USB_HUB_RST, 1);
  296. if (ret)
  297. return ret;
  298. mdelay(1);
  299. return 0;
  300. }
  301. int board_ehci_power(int port, int on)
  302. {
  303. if (port == 0)
  304. return gpio_direction_output(SB_FX6_USB_OTG_PWR, on);
  305. return 0;
  306. }
  307. #else
  308. static int cm_fx6_setup_usb_otg(void) { return 0; }
  309. static int cm_fx6_setup_usb_host(void) { return 0; }
  310. #endif
  311. #ifdef CONFIG_FEC_MXC
  312. #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
  313. PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
  314. static int mx6_rgmii_rework(struct phy_device *phydev)
  315. {
  316. unsigned short val;
  317. /* Ar8031 phy SmartEEE feature cause link status generates glitch,
  318. * which cause ethernet link down/up issue, so disable SmartEEE
  319. */
  320. phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x3);
  321. phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x805d);
  322. phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4003);
  323. val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
  324. val &= ~(0x1 << 8);
  325. phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val);
  326. /* To enable AR8031 ouput a 125MHz clk from CLK_25M */
  327. phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
  328. phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
  329. phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
  330. val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
  331. val &= 0xffe3;
  332. val |= 0x18;
  333. phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val);
  334. /* introduce tx clock delay */
  335. phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
  336. val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
  337. val |= 0x0100;
  338. phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val);
  339. return 0;
  340. }
  341. int board_phy_config(struct phy_device *phydev)
  342. {
  343. mx6_rgmii_rework(phydev);
  344. if (phydev->drv->config)
  345. return phydev->drv->config(phydev);
  346. return 0;
  347. }
  348. static iomux_v3_cfg_t const enet_pads[] = {
  349. IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  350. IOMUX_PADS(PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  351. IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  352. IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  353. IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  354. IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  355. IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  356. IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  357. IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  358. IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  359. IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  360. IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  361. IOMUX_PADS(PAD_GPIO_0__CCM_CLKO1 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  362. IOMUX_PADS(PAD_GPIO_3__CCM_CLKO2 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  363. IOMUX_PADS(PAD_SD4_DAT0__GPIO2_IO08 | MUX_PAD_CTRL(0x84)),
  364. IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK |
  365. MUX_PAD_CTRL(ENET_PAD_CTRL)),
  366. IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL |
  367. MUX_PAD_CTRL(ENET_PAD_CTRL)),
  368. IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL |
  369. MUX_PAD_CTRL(ENET_PAD_CTRL)),
  370. };
  371. static int handle_mac_address(char *env_var, uint eeprom_bus)
  372. {
  373. unsigned char enetaddr[6];
  374. int rc;
  375. rc = eth_getenv_enetaddr(env_var, enetaddr);
  376. if (rc)
  377. return 0;
  378. rc = cl_eeprom_read_mac_addr(enetaddr, eeprom_bus);
  379. if (rc)
  380. return rc;
  381. if (!is_valid_ethaddr(enetaddr))
  382. return -1;
  383. return eth_setenv_enetaddr(env_var, enetaddr);
  384. }
  385. #define SB_FX6_I2C_EEPROM_BUS 0
  386. #define NO_MAC_ADDR "No MAC address found for %s\n"
  387. int board_eth_init(bd_t *bis)
  388. {
  389. int err;
  390. if (handle_mac_address("ethaddr", CONFIG_SYS_I2C_EEPROM_BUS))
  391. printf(NO_MAC_ADDR, "primary NIC");
  392. if (handle_mac_address("eth1addr", SB_FX6_I2C_EEPROM_BUS))
  393. printf(NO_MAC_ADDR, "secondary NIC");
  394. SETUP_IOMUX_PADS(enet_pads);
  395. /* phy reset */
  396. err = gpio_request(CM_FX6_ENET_NRST, "enet_nrst");
  397. if (err)
  398. printf("Etnernet NRST gpio request failed: %d\n", err);
  399. gpio_direction_output(CM_FX6_ENET_NRST, 0);
  400. udelay(500);
  401. gpio_set_value(CM_FX6_ENET_NRST, 1);
  402. enable_enet_clk(1);
  403. return cpu_eth_init(bis);
  404. }
  405. #endif
  406. #ifdef CONFIG_NAND_MXS
  407. static iomux_v3_cfg_t const nand_pads[] = {
  408. IOMUX_PADS(PAD_NANDF_CLE__NAND_CLE | MUX_PAD_CTRL(NO_PAD_CTRL)),
  409. IOMUX_PADS(PAD_NANDF_ALE__NAND_ALE | MUX_PAD_CTRL(NO_PAD_CTRL)),
  410. IOMUX_PADS(PAD_NANDF_CS0__NAND_CE0_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
  411. IOMUX_PADS(PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
  412. IOMUX_PADS(PAD_NANDF_D0__NAND_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  413. IOMUX_PADS(PAD_NANDF_D1__NAND_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  414. IOMUX_PADS(PAD_NANDF_D2__NAND_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  415. IOMUX_PADS(PAD_NANDF_D3__NAND_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  416. IOMUX_PADS(PAD_NANDF_D4__NAND_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  417. IOMUX_PADS(PAD_NANDF_D5__NAND_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  418. IOMUX_PADS(PAD_NANDF_D6__NAND_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  419. IOMUX_PADS(PAD_NANDF_D7__NAND_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  420. IOMUX_PADS(PAD_SD4_CMD__NAND_RE_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
  421. IOMUX_PADS(PAD_SD4_CLK__NAND_WE_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
  422. };
  423. static void cm_fx6_setup_gpmi_nand(void)
  424. {
  425. SETUP_IOMUX_PADS(nand_pads);
  426. /* Enable clock roots */
  427. enable_usdhc_clk(1, 3);
  428. enable_usdhc_clk(1, 4);
  429. setup_gpmi_io_clk(MXC_CCM_CS2CDR_ENFC_CLK_PODF(0xf) |
  430. MXC_CCM_CS2CDR_ENFC_CLK_PRED(1) |
  431. MXC_CCM_CS2CDR_ENFC_CLK_SEL(0));
  432. }
  433. #else
  434. static void cm_fx6_setup_gpmi_nand(void) {}
  435. #endif
  436. #ifdef CONFIG_FSL_ESDHC
  437. static struct fsl_esdhc_cfg usdhc_cfg[3] = {
  438. {USDHC1_BASE_ADDR},
  439. {USDHC2_BASE_ADDR},
  440. {USDHC3_BASE_ADDR},
  441. };
  442. static enum mxc_clock usdhc_clk[3] = {
  443. MXC_ESDHC_CLK,
  444. MXC_ESDHC2_CLK,
  445. MXC_ESDHC3_CLK,
  446. };
  447. int board_mmc_init(bd_t *bis)
  448. {
  449. int i;
  450. cm_fx6_set_usdhc_iomux();
  451. for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
  452. usdhc_cfg[i].sdhc_clk = mxc_get_clock(usdhc_clk[i]);
  453. usdhc_cfg[i].max_bus_width = 4;
  454. fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
  455. enable_usdhc_clk(1, i);
  456. }
  457. return 0;
  458. }
  459. #endif
  460. #ifdef CONFIG_MXC_SPI
  461. int cm_fx6_setup_ecspi(void)
  462. {
  463. cm_fx6_set_ecspi_iomux();
  464. return gpio_request(CM_FX6_ECSPI_BUS0_CS0, "ecspi_bus0_cs0");
  465. }
  466. #else
  467. int cm_fx6_setup_ecspi(void) { return 0; }
  468. #endif
  469. #ifdef CONFIG_OF_BOARD_SETUP
  470. int ft_board_setup(void *blob, bd_t *bd)
  471. {
  472. uint8_t enetaddr[6];
  473. /* MAC addr */
  474. if (eth_getenv_enetaddr("ethaddr", enetaddr)) {
  475. fdt_find_and_setprop(blob,
  476. "/soc/aips-bus@02100000/ethernet@02188000",
  477. "local-mac-address", enetaddr, 6, 1);
  478. }
  479. if (eth_getenv_enetaddr("eth1addr", enetaddr)) {
  480. fdt_find_and_setprop(blob, "/eth@pcie", "local-mac-address",
  481. enetaddr, 6, 1);
  482. }
  483. return 0;
  484. }
  485. #endif
  486. int board_init(void)
  487. {
  488. int ret;
  489. gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
  490. cm_fx6_setup_gpmi_nand();
  491. ret = cm_fx6_setup_ecspi();
  492. if (ret)
  493. printf("Warning: ECSPI setup failed: %d\n", ret);
  494. ret = cm_fx6_setup_usb_otg();
  495. if (ret)
  496. printf("Warning: USB OTG setup failed: %d\n", ret);
  497. ret = cm_fx6_setup_usb_host();
  498. if (ret)
  499. printf("Warning: USB host setup failed: %d\n", ret);
  500. /*
  501. * cm-fx6 may have iSSD not assembled and in this case it has
  502. * bypasses for a (m)SATA socket on the baseboard. The socketed
  503. * device is not controlled by those GPIOs. So just print a warning
  504. * if the setup fails.
  505. */
  506. ret = cm_fx6_setup_issd();
  507. if (ret)
  508. printf("Warning: iSSD setup failed: %d\n", ret);
  509. /* Warn on failure but do not abort boot */
  510. ret = cm_fx6_setup_i2c();
  511. if (ret)
  512. printf("Warning: I2C setup failed: %d\n", ret);
  513. cm_fx6_setup_display();
  514. return 0;
  515. }
  516. int checkboard(void)
  517. {
  518. puts("Board: CM-FX6\n");
  519. return 0;
  520. }
  521. int misc_init_r(void)
  522. {
  523. cl_print_pcb_info();
  524. return 0;
  525. }
  526. void dram_init_banksize(void)
  527. {
  528. gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  529. gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  530. switch (gd->ram_size) {
  531. case 0x10000000: /* DDR_16BIT_256MB */
  532. gd->bd->bi_dram[0].size = 0x10000000;
  533. gd->bd->bi_dram[1].size = 0;
  534. break;
  535. case 0x20000000: /* DDR_32BIT_512MB */
  536. gd->bd->bi_dram[0].size = 0x20000000;
  537. gd->bd->bi_dram[1].size = 0;
  538. break;
  539. case 0x40000000:
  540. if (is_cpu_type(MXC_CPU_MX6SOLO)) { /* DDR_32BIT_1GB */
  541. gd->bd->bi_dram[0].size = 0x20000000;
  542. gd->bd->bi_dram[1].size = 0x20000000;
  543. } else { /* DDR_64BIT_1GB */
  544. gd->bd->bi_dram[0].size = 0x40000000;
  545. gd->bd->bi_dram[1].size = 0;
  546. }
  547. break;
  548. case 0x80000000: /* DDR_64BIT_2GB */
  549. gd->bd->bi_dram[0].size = 0x40000000;
  550. gd->bd->bi_dram[1].size = 0x40000000;
  551. break;
  552. case 0xEFF00000: /* DDR_64BIT_4GB */
  553. gd->bd->bi_dram[0].size = 0x70000000;
  554. gd->bd->bi_dram[1].size = 0x7FF00000;
  555. break;
  556. }
  557. }
  558. int dram_init(void)
  559. {
  560. gd->ram_size = imx_ddr_size();
  561. switch (gd->ram_size) {
  562. case 0x10000000:
  563. case 0x20000000:
  564. case 0x40000000:
  565. case 0x80000000:
  566. break;
  567. case 0xF0000000:
  568. gd->ram_size -= 0x100000;
  569. break;
  570. default:
  571. printf("ERROR: Unsupported DRAM size 0x%lx\n", gd->ram_size);
  572. return -1;
  573. }
  574. return 0;
  575. }
  576. u32 get_board_rev(void)
  577. {
  578. return cl_eeprom_get_board_rev();
  579. }
  580. static struct mxc_serial_platdata cm_fx6_mxc_serial_plat = {
  581. .reg = (struct mxc_uart *)UART4_BASE,
  582. };
  583. U_BOOT_DEVICE(cm_fx6_serial) = {
  584. .name = "serial_mxc",
  585. .platdata = &cm_fx6_mxc_serial_plat,
  586. };