mpc8308_p1m.c 2.0 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192
  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright (C) 2010 Freescale Semiconductor, Inc.
  4. * Copyright (C) 2010 Ilya Yanok, Emcraft Systems, yanok@emcraft.com
  5. */
  6. #include <common.h>
  7. #include <i2c.h>
  8. #include <init.h>
  9. #include <net.h>
  10. #include <linux/delay.h>
  11. #include <linux/libfdt.h>
  12. #include <fdt_support.h>
  13. #include <pci.h>
  14. #include <mpc83xx.h>
  15. #include <netdev.h>
  16. #include <asm/io.h>
  17. #include <asm/fsl_serdes.h>
  18. #include <asm/fsl_mpc83xx_serdes.h>
  19. int checkboard(void)
  20. {
  21. printf("Board: MPC8308 P1M\n");
  22. return 0;
  23. }
  24. static struct pci_region pcie_regions_0[] = {
  25. {
  26. .bus_start = CONFIG_SYS_PCIE1_MEM_BASE,
  27. .phys_start = CONFIG_SYS_PCIE1_MEM_PHYS,
  28. .size = CONFIG_SYS_PCIE1_MEM_SIZE,
  29. .flags = PCI_REGION_MEM,
  30. },
  31. {
  32. .bus_start = CONFIG_SYS_PCIE1_IO_BASE,
  33. .phys_start = CONFIG_SYS_PCIE1_IO_PHYS,
  34. .size = CONFIG_SYS_PCIE1_IO_SIZE,
  35. .flags = PCI_REGION_IO,
  36. },
  37. };
  38. void pci_init_board(void)
  39. {
  40. immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
  41. sysconf83xx_t *sysconf = &immr->sysconf;
  42. law83xx_t *pcie_law = sysconf->pcielaw;
  43. struct pci_region *pcie_reg[] = { pcie_regions_0 };
  44. fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_PEX,
  45. FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
  46. /* Deassert the resets in the control register */
  47. out_be32(&sysconf->pecr1, 0xE0008000);
  48. udelay(2000);
  49. /* Configure PCI Express Local Access Windows */
  50. out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR);
  51. out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB);
  52. mpc83xx_pcie_init(1, pcie_reg);
  53. }
  54. #if defined(CONFIG_OF_BOARD_SETUP)
  55. int ft_board_setup(void *blob, struct bd_info *bd)
  56. {
  57. ft_cpu_setup(blob, bd);
  58. fsl_fdt_fixup_dr_usb(blob, bd);
  59. return 0;
  60. }
  61. #endif
  62. int board_eth_init(struct bd_info *bis)
  63. {
  64. int rv, num_if = 0;
  65. /* Initialize TSECs first */
  66. rv = cpu_eth_init(bis);
  67. if (rv >= 0)
  68. num_if += rv;
  69. else
  70. printf("ERROR: failed to initialize TSECs.\n");
  71. rv = pci_eth_init(bis);
  72. if (rv >= 0)
  73. num_if += rv;
  74. else
  75. printf("ERROR: failed to initialize PCI Ethernet.\n");
  76. return num_if;
  77. }