Ron Madrid | 9ff89b7 | 2009-01-22 15:05:24 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) Freescale Semiconductor, Inc. 2006-2007 |
| 3 | * Copyright (C) Sheldon Instruments, Inc. 2008 |
| 4 | * |
| 5 | * Author: Ron Madrid <info@sheldoninst.com> |
| 6 | * |
| 7 | * See file CREDITS for list of people who contributed to this |
| 8 | * project. |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or |
| 11 | * modify it under the terms of the GNU General Public License as |
| 12 | * published by the Free Software Foundation; either version 2 of |
| 13 | * the License, or (at your option) any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS for A PARTICULAR PURPOSE. See the |
| 18 | * GNU General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; if not, write to the Free Software |
| 22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 23 | * MA 02111-1307 USA |
| 24 | */ |
| 25 | |
| 26 | #include <common.h> |
| 27 | #include <libfdt.h> |
| 28 | #include <pci.h> |
| 29 | #include <mpc83xx.h> |
| 30 | #include <ns16550.h> |
| 31 | #include <nand.h> |
| 32 | |
| 33 | DECLARE_GLOBAL_DATA_PTR; |
| 34 | |
| 35 | int checkboard(void) |
| 36 | { |
| 37 | puts("Board: Sheldon Instruments SIMPC8313\n"); |
| 38 | return 0; |
| 39 | } |
| 40 | |
| 41 | #ifndef CONFIG_NAND_SPL |
| 42 | static struct pci_region pci_regions[] = { |
| 43 | { |
| 44 | bus_start: CONFIG_SYS_PCI1_MEM_BASE, |
| 45 | phys_start: CONFIG_SYS_PCI1_MEM_PHYS, |
| 46 | size: CONFIG_SYS_PCI1_MEM_SIZE, |
| 47 | flags: PCI_REGION_MEM | PCI_REGION_PREFETCH |
| 48 | }, |
| 49 | { |
| 50 | bus_start: CONFIG_SYS_PCI1_MMIO_BASE, |
| 51 | phys_start: CONFIG_SYS_PCI1_MMIO_PHYS, |
| 52 | size: CONFIG_SYS_PCI1_MMIO_SIZE, |
| 53 | flags: PCI_REGION_MEM |
| 54 | }, |
| 55 | { |
| 56 | bus_start: CONFIG_SYS_PCI1_IO_BASE, |
| 57 | phys_start: CONFIG_SYS_PCI1_IO_PHYS, |
| 58 | size: CONFIG_SYS_PCI1_IO_SIZE, |
| 59 | flags: PCI_REGION_IO |
| 60 | } |
| 61 | }; |
| 62 | |
| 63 | void pci_init_board(void) |
| 64 | { |
| 65 | volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR; |
| 66 | volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk; |
| 67 | volatile law83xx_t *pci_law = immr->sysconf.pcilaw; |
| 68 | struct pci_region *reg[] = { pci_regions }; |
| 69 | int warmboot; |
| 70 | |
| 71 | /* Enable all 3 PCI_CLK_OUTPUTs. */ |
| 72 | clk->occr |= 0xe0000000; |
| 73 | |
| 74 | /* |
| 75 | * Configure PCI Local Access Windows |
| 76 | */ |
| 77 | pci_law[0].bar = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR; |
| 78 | pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB; |
| 79 | |
| 80 | pci_law[1].bar = CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR; |
| 81 | pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB; |
| 82 | |
| 83 | warmboot = gd->bd->bi_bootflags & BOOTFLAG_WARM; |
| 84 | |
| 85 | mpc83xx_pci_init(1, reg, warmboot); |
| 86 | } |
| 87 | |
| 88 | /* |
| 89 | * Miscellaneous late-boot configurations |
| 90 | */ |
| 91 | int misc_init_r(void) |
| 92 | { |
| 93 | int rc = 0; |
| 94 | |
| 95 | return rc; |
| 96 | } |
| 97 | |
| 98 | #if defined(CONFIG_OF_BOARD_SETUP) |
| 99 | void ft_board_setup(void *blob, bd_t *bd) |
| 100 | { |
| 101 | ft_cpu_setup(blob, bd); |
| 102 | #ifdef CONFIG_PCI |
| 103 | ft_pci_setup(blob, bd); |
| 104 | #endif |
| 105 | } |
| 106 | #endif |
| 107 | #else /* CONFIG_NAND_SPL */ |
| 108 | void board_init_f(ulong bootflag) |
| 109 | { |
| 110 | NS16550_init((NS16550_t)(CONFIG_SYS_IMMR + 0x4500), |
| 111 | CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE); |
| 112 | puts("NAND boot... "); |
| 113 | init_timebase(); |
| 114 | initdram(0); |
| 115 | relocate_code(CONFIG_SYS_NAND_U_BOOT_RELOC + 0x10000, (gd_t *)gd, |
| 116 | CONFIG_SYS_NAND_U_BOOT_RELOC); |
| 117 | } |
| 118 | |
| 119 | void board_init_r(gd_t *gd, ulong dest_addr) |
| 120 | { |
| 121 | nand_boot(); |
| 122 | } |
| 123 | |
| 124 | void putc(char c) |
| 125 | { |
| 126 | if (gd->flags & GD_FLG_SILENT) |
| 127 | return; |
| 128 | |
| 129 | if (c == '\n') |
| 130 | NS16550_putc((NS16550_t)(CONFIG_SYS_IMMR + 0x4500), '\r'); |
| 131 | |
| 132 | NS16550_putc((NS16550_t)(CONFIG_SYS_IMMR + 0x4500), c); |
| 133 | } |
| 134 | #endif |