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 DECLARE_GLOBAL_DATA_PTR; 20 21 int checkboard(void) 22 { 23 printf("Board: MPC8308 P1M\n"); 24 25 return 0; 26 } 27 28 static struct pci_region pcie_regions_0[] = { 29 { 30 .bus_start = CONFIG_SYS_PCIE1_MEM_BASE, 31 .phys_start = CONFIG_SYS_PCIE1_MEM_PHYS, 32 .size = CONFIG_SYS_PCIE1_MEM_SIZE, 33 .flags = PCI_REGION_MEM, 34 }, 35 { 36 .bus_start = CONFIG_SYS_PCIE1_IO_BASE, 37 .phys_start = CONFIG_SYS_PCIE1_IO_PHYS, 38 .size = CONFIG_SYS_PCIE1_IO_SIZE, 39 .flags = PCI_REGION_IO, 40 }, 41 }; 42 43 void pci_init_board(void) 44 { 45 immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; 46 sysconf83xx_t *sysconf = &immr->sysconf; 47 law83xx_t *pcie_law = sysconf->pcielaw; 48 struct pci_region *pcie_reg[] = { pcie_regions_0 }; 49 50 fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_PEX, 51 FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V); 52 53 /* Deassert the resets in the control register */ 54 out_be32(&sysconf->pecr1, 0xE0008000); 55 udelay(2000); 56 57 /* Configure PCI Express Local Access Windows */ 58 out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR); 59 out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB); 60 61 mpc83xx_pcie_init(1, pcie_reg); 62 } 63 64 #if defined(CONFIG_OF_BOARD_SETUP) 65 int ft_board_setup(void *blob, bd_t *bd) 66 { 67 ft_cpu_setup(blob, bd); 68 fsl_fdt_fixup_dr_usb(blob, bd); 69 70 return 0; 71 } 72 #endif 73 74 int board_eth_init(bd_t *bis) 75 { 76 int rv, num_if = 0; 77 78 /* Initialize TSECs first */ 79 rv = cpu_eth_init(bis); 80 if (rv >= 0) 81 num_if += rv; 82 else 83 printf("ERROR: failed to initialize TSECs.\n"); 84 85 rv = pci_eth_init(bis); 86 if (rv >= 0) 87 num_if += rv; 88 else 89 printf("ERROR: failed to initialize PCI Ethernet.\n"); 90 91 return num_if; 92 } 93