cgtqmx6eval.c 29 KB

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