dockstar.c 3.6 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright (C) 2010 Eric C. Cooper <ecc@cmu.edu>
  4. *
  5. * Based on sheevaplug.c originally written by
  6. * Prafulla Wadaskar <prafulla@marvell.com>
  7. * (C) Copyright 2009
  8. * Marvell Semiconductor <www.marvell.com>
  9. */
  10. #include <common.h>
  11. #include <bootstage.h>
  12. #include <init.h>
  13. #include <miiphy.h>
  14. #include <net.h>
  15. #include <asm/arch/soc.h>
  16. #include <asm/arch/mpp.h>
  17. #include <asm/arch/cpu.h>
  18. #include <asm/global_data.h>
  19. #include <asm/io.h>
  20. #include <asm/mach-types.h>
  21. #include "dockstar.h"
  22. DECLARE_GLOBAL_DATA_PTR;
  23. int board_early_init_f(void)
  24. {
  25. /*
  26. * default gpio configuration
  27. * There are maximum 64 gpios controlled through 2 sets of registers
  28. * the below configuration configures mainly initial LED status
  29. */
  30. mvebu_config_gpio(DOCKSTAR_OE_VAL_LOW,
  31. DOCKSTAR_OE_VAL_HIGH,
  32. DOCKSTAR_OE_LOW, DOCKSTAR_OE_HIGH);
  33. /* Multi-Purpose Pins Functionality configuration */
  34. static const u32 kwmpp_config[] = {
  35. MPP0_NF_IO2,
  36. MPP1_NF_IO3,
  37. MPP2_NF_IO4,
  38. MPP3_NF_IO5,
  39. MPP4_NF_IO6,
  40. MPP5_NF_IO7,
  41. MPP6_SYSRST_OUTn,
  42. MPP7_GPO,
  43. MPP8_UART0_RTS,
  44. MPP9_UART0_CTS,
  45. MPP10_UART0_TXD,
  46. MPP11_UART0_RXD,
  47. MPP12_SD_CLK,
  48. MPP13_SD_CMD,
  49. MPP14_SD_D0,
  50. MPP15_SD_D1,
  51. MPP16_SD_D2,
  52. MPP17_SD_D3,
  53. MPP18_NF_IO0,
  54. MPP19_NF_IO1,
  55. MPP20_GPIO,
  56. MPP21_GPIO,
  57. MPP22_GPIO,
  58. MPP23_GPIO,
  59. MPP24_GPIO,
  60. MPP25_GPIO,
  61. MPP26_GPIO,
  62. MPP27_GPIO,
  63. MPP28_GPIO,
  64. MPP29_TSMP9,
  65. MPP30_GPIO,
  66. MPP31_GPIO,
  67. MPP32_GPIO,
  68. MPP33_GPIO,
  69. MPP34_GPIO,
  70. MPP35_GPIO,
  71. MPP36_GPIO,
  72. MPP37_GPIO,
  73. MPP38_GPIO,
  74. MPP39_GPIO,
  75. MPP40_GPIO,
  76. MPP41_GPIO,
  77. MPP42_GPIO,
  78. MPP43_GPIO,
  79. MPP44_GPIO,
  80. MPP45_GPIO,
  81. MPP46_GPIO,
  82. MPP47_GPIO,
  83. MPP48_GPIO,
  84. MPP49_GPIO,
  85. 0
  86. };
  87. kirkwood_mpp_conf(kwmpp_config, NULL);
  88. return 0;
  89. }
  90. int board_init(void)
  91. {
  92. /*
  93. * arch number of board
  94. */
  95. gd->bd->bi_arch_number = MACH_TYPE_DOCKSTAR;
  96. /* address of boot parameters */
  97. gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
  98. return 0;
  99. }
  100. #ifdef CONFIG_RESET_PHY_R
  101. /* Configure and enable MV88E1116 PHY */
  102. void reset_phy(void)
  103. {
  104. u16 reg;
  105. u16 devadr;
  106. char *name = "egiga0";
  107. if (miiphy_set_current_dev(name))
  108. return;
  109. /* command to read PHY dev address */
  110. if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
  111. printf("Err..%s could not read PHY dev address\n",
  112. __FUNCTION__);
  113. return;
  114. }
  115. /*
  116. * Enable RGMII delay on Tx and Rx for CPU port
  117. * Ref: sec 4.7.2 of chip datasheet
  118. */
  119. miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
  120. miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, &reg);
  121. reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
  122. miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
  123. miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
  124. /* reset the phy */
  125. miiphy_reset(name, devadr);
  126. printf("88E1116 Initialized on %s\n", name);
  127. }
  128. #endif /* CONFIG_RESET_PHY_R */
  129. #if CONFIG_IS_ENABLED(BOOTSTAGE)
  130. #define GREEN_LED (1 << 14)
  131. #define ORANGE_LED (1 << 15)
  132. #define BOTH_LEDS (GREEN_LED | ORANGE_LED)
  133. #define NEITHER_LED 0
  134. static void set_leds(u32 leds, u32 blinking)
  135. {
  136. struct kwgpio_registers *r = (struct kwgpio_registers *)MVEBU_GPIO1_BASE;
  137. u32 oe = readl(&r->oe) | BOTH_LEDS;
  138. writel(oe & ~leds, &r->oe); /* active low */
  139. u32 bl = readl(&r->blink_en) & ~BOTH_LEDS;
  140. writel(bl | blinking, &r->blink_en);
  141. }
  142. void show_boot_progress(int val)
  143. {
  144. switch (val) {
  145. case BOOTSTAGE_ID_RUN_OS: /* booting Linux */
  146. set_leds(BOTH_LEDS, NEITHER_LED);
  147. break;
  148. case BOOTSTAGE_ID_NET_ETH_START: /* Ethernet initialization */
  149. set_leds(GREEN_LED, GREEN_LED);
  150. break;
  151. default:
  152. if (val < 0) /* error */
  153. set_leds(ORANGE_LED, ORANGE_LED);
  154. break;
  155. }
  156. }
  157. #endif