1 /* 2 * Copyright (C) 2010 Freescale Semiconductor, Inc. 3 * Copyright (C) 2010 Ilya Yanok, Emcraft Systems, yanok@emcraft.com 4 * 5 * See file CREDITS for list of people who contributed to this 6 * project. 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License as 10 * published by the Free Software Foundation; either version 2 of 11 * the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS for A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21 * MA 02111-1307 USA 22 */ 23 24 #include <common.h> 25 #include <hwconfig.h> 26 #include <i2c.h> 27 #include <libfdt.h> 28 #include <fdt_support.h> 29 #include <pci.h> 30 #include <mpc83xx.h> 31 #include <vsc7385.h> 32 #include <netdev.h> 33 #include <asm/io.h> 34 #include <asm/fsl_serdes.h> 35 #include <asm/fsl_mpc83xx_serdes.h> 36 37 DECLARE_GLOBAL_DATA_PTR; 38 39 static u8 read_board_info(void) 40 { 41 u8 val8; 42 i2c_set_bus_num(0); 43 44 if (i2c_read(CONFIG_SYS_I2C_PCF8574A_ADDR, 0, 0, &val8, 1) == 0) 45 return val8; 46 else 47 return 0; 48 } 49 50 int checkboard(void) 51 { 52 static const char * const rev_str[] = { 53 "1.0", 54 "<reserved>", 55 "<reserved>", 56 "<reserved>", 57 "<unknown>", 58 }; 59 u8 info; 60 int i; 61 62 info = read_board_info(); 63 i = (!info) ? 4 : info & 0x03; 64 65 printf("Board: Freescale MPC8308RDB Rev %s\n", rev_str[i]); 66 67 return 0; 68 } 69 70 static struct pci_region pcie_regions_0[] = { 71 { 72 .bus_start = CONFIG_SYS_PCIE1_MEM_BASE, 73 .phys_start = CONFIG_SYS_PCIE1_MEM_PHYS, 74 .size = CONFIG_SYS_PCIE1_MEM_SIZE, 75 .flags = PCI_REGION_MEM, 76 }, 77 { 78 .bus_start = CONFIG_SYS_PCIE1_IO_BASE, 79 .phys_start = CONFIG_SYS_PCIE1_IO_PHYS, 80 .size = CONFIG_SYS_PCIE1_IO_SIZE, 81 .flags = PCI_REGION_IO, 82 }, 83 }; 84 85 void pci_init_board(void) 86 { 87 immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; 88 sysconf83xx_t *sysconf = &immr->sysconf; 89 law83xx_t *pcie_law = sysconf->pcielaw; 90 struct pci_region *pcie_reg[] = { pcie_regions_0 }; 91 92 fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_PEX, 93 FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V); 94 95 /* Deassert the resets in the control register */ 96 out_be32(&sysconf->pecr1, 0xE0008000); 97 udelay(2000); 98 99 /* Configure PCI Express Local Access Windows */ 100 out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR); 101 out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB); 102 103 mpc83xx_pcie_init(1, pcie_reg); 104 } 105 /* 106 * Miscellaneous late-boot configurations 107 * 108 * If a VSC7385 microcode image is present, then upload it. 109 */ 110 int misc_init_r(void) 111 { 112 #ifdef CONFIG_VSC7385_IMAGE 113 if (vsc7385_upload_firmware((void *) CONFIG_VSC7385_IMAGE, 114 CONFIG_VSC7385_IMAGE_SIZE)) { 115 puts("Failure uploading VSC7385 microcode.\n"); 116 return 1; 117 } 118 #endif 119 120 return 0; 121 } 122 #if defined(CONFIG_OF_BOARD_SETUP) 123 void ft_board_setup(void *blob, bd_t *bd) 124 { 125 ft_cpu_setup(blob, bd); 126 fdt_fixup_dr_usb(blob, bd); 127 } 128 #endif 129 130 int board_eth_init(bd_t *bis) 131 { 132 int rv, num_if = 0; 133 134 /* Initialize TSECs first */ 135 rv = cpu_eth_init(bis); 136 if (rv >= 0) 137 num_if += rv; 138 else 139 printf("ERROR: failed to initialize TSECs.\n"); 140 141 rv = pci_eth_init(bis); 142 if (rv >= 0) 143 num_if += rv; 144 else 145 printf("ERROR: failed to initialize PCI Ethernet.\n"); 146 147 return num_if; 148 } 149