1 /* 2 * Copyright (C) 2010 Freescale Semiconductor, Inc. 3 * Copyright (C) 2010 Ilya Yanok, Emcraft Systems, yanok@emcraft.com 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #include <common.h> 9 #include <i2c.h> 10 #include <linux/libfdt.h> 11 #include <fdt_support.h> 12 #include <pci.h> 13 #include <mpc83xx.h> 14 #include <netdev.h> 15 #include <asm/io.h> 16 #include <asm/fsl_serdes.h> 17 #include <asm/fsl_mpc83xx_serdes.h> 18 19 int checkboard(void) 20 { 21 printf("Board: MPC8308 P1M\n"); 22 23 return 0; 24 } 25 26 static struct pci_region pcie_regions_0[] = { 27 { 28 .bus_start = CONFIG_SYS_PCIE1_MEM_BASE, 29 .phys_start = CONFIG_SYS_PCIE1_MEM_PHYS, 30 .size = CONFIG_SYS_PCIE1_MEM_SIZE, 31 .flags = PCI_REGION_MEM, 32 }, 33 { 34 .bus_start = CONFIG_SYS_PCIE1_IO_BASE, 35 .phys_start = CONFIG_SYS_PCIE1_IO_PHYS, 36 .size = CONFIG_SYS_PCIE1_IO_SIZE, 37 .flags = PCI_REGION_IO, 38 }, 39 }; 40 41 void pci_init_board(void) 42 { 43 immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; 44 sysconf83xx_t *sysconf = &immr->sysconf; 45 law83xx_t *pcie_law = sysconf->pcielaw; 46 struct pci_region *pcie_reg[] = { pcie_regions_0 }; 47 48 fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_PEX, 49 FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V); 50 51 /* Deassert the resets in the control register */ 52 out_be32(&sysconf->pecr1, 0xE0008000); 53 udelay(2000); 54 55 /* Configure PCI Express Local Access Windows */ 56 out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR); 57 out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB); 58 59 mpc83xx_pcie_init(1, pcie_reg); 60 } 61 62 #if defined(CONFIG_OF_BOARD_SETUP) 63 int ft_board_setup(void *blob, bd_t *bd) 64 { 65 ft_cpu_setup(blob, bd); 66 fsl_fdt_fixup_dr_usb(blob, bd); 67 68 return 0; 69 } 70 #endif 71 72 int board_eth_init(bd_t *bis) 73 { 74 int rv, num_if = 0; 75 76 /* Initialize TSECs first */ 77 rv = cpu_eth_init(bis); 78 if (rv >= 0) 79 num_if += rv; 80 else 81 printf("ERROR: failed to initialize TSECs.\n"); 82 83 rv = pci_eth_init(bis); 84 if (rv >= 0) 85 num_if += rv; 86 else 87 printf("ERROR: failed to initialize PCI Ethernet.\n"); 88 89 return num_if; 90 } 91