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Diffstat (limited to 'board/socrates/socrates.c')
| -rw-r--r-- | board/socrates/socrates.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/board/socrates/socrates.c b/board/socrates/socrates.c new file mode 100644 index 0000000..15c6478 --- /dev/null +++ b/board/socrates/socrates.c @@ -0,0 +1,220 @@ +/* + * (C) Copyright 2008 + * Sergei Poselenov, Emcraft Systems, sposelenov@emcraft.com. + * + * Copyright 2004 Freescale Semiconductor. + * (C) Copyright 2002,2003, Motorola Inc. + * Xianghua Xiao, (X.Xiao@motorola.com) + * + * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <pci.h> +#include <asm/processor.h> +#include <asm/immap_85xx.h> +#include <ioports.h> +#include <flash.h> +#include <libfdt.h> +#include <fdt_support.h> + +DECLARE_GLOBAL_DATA_PTR; + +extern flash_info_t flash_info[]; /* FLASH chips info */ + +void local_bus_init (void); +ulong flash_get_size (ulong base, int banknum); + +int checkboard (void) +{ + volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR); + char *src; + int f; + char *s = getenv("serial#"); + + puts("Board: Socrates"); + if (s != NULL) { + puts(", serial# "); + puts(s); + } + putc('\n'); + +#ifdef CONFIG_PCI + if (gur->porpllsr & (1<<15)) { + src = "SYSCLK"; + f = CONFIG_SYS_CLK_FREQ; + } else { + src = "PCI_CLK"; + f = CONFIG_PCI_CLK_FREQ; + } + printf ("PCI1: 32 bit, %d MHz (%s)\n", f/1000000, src); +#else + printf ("PCI1: disabled\n"); +#endif + + /* + * Initialize local bus. + */ + local_bus_init (); + + return 0; +} + +int misc_init_r (void) +{ + volatile ccsr_lbc_t *memctl = (void *)(CFG_MPC85xx_LBC_ADDR); + + /* + * Adjust flash start and offset to detected values + */ + gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize; + gd->bd->bi_flashoffset = 0; + + /* + * Check if boot FLASH isn't max size + */ + if (gd->bd->bi_flashsize < (0 - CFG_FLASH0)) { + memctl->or0 = gd->bd->bi_flashstart | (CFG_OR0_PRELIM & 0x00007fff); + memctl->br0 = gd->bd->bi_flashstart | (CFG_BR0_PRELIM & 0x00007fff); + + /* + * Re-check to get correct base address + */ + flash_get_size(gd->bd->bi_flashstart, CFG_MAX_FLASH_BANKS - 1); + } + + /* + * Check if only one FLASH bank is available + */ + if (gd->bd->bi_flashsize != CFG_MAX_FLASH_BANKS * (0 - CFG_FLASH0)) { + memctl->or1 = 0; + memctl->br1 = 0; + + /* + * Re-do flash protection upon new addresses + */ + flash_protect (FLAG_PROTECT_CLEAR, + gd->bd->bi_flashstart, 0xffffffff, + &flash_info[CFG_MAX_FLASH_BANKS - 1]); + + /* Monitor protection ON by default */ + flash_protect (FLAG_PROTECT_SET, + CFG_MONITOR_BASE, CFG_MONITOR_BASE + monitor_flash_len - 1, + &flash_info[CFG_MAX_FLASH_BANKS - 1]); + + /* Environment protection ON by default */ + flash_protect (FLAG_PROTECT_SET, + CFG_ENV_ADDR, + CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1, + &flash_info[CFG_MAX_FLASH_BANKS - 1]); + + /* Redundant environment protection ON by default */ + flash_protect (FLAG_PROTECT_SET, + CFG_ENV_ADDR_REDUND, + CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1, + &flash_info[CFG_MAX_FLASH_BANKS - 1]); + } + + return 0; +} + +/* + * Initialize Local Bus + */ +void local_bus_init (void) +{ + + volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR); + volatile ccsr_local_ecm_t *ecm = (void *)(CFG_MPC85xx_ECM_ADDR); + + lbc->ltesr = 0xffffffff; /* Clear LBC error interrupts */ + lbc->lteir = 0xffffffff; /* Enable LBC error interrupts */ + ecm->eedr = 0xffffffff; /* Clear ecm errors */ + ecm->eeer = 0xffffffff; /* Enable ecm errors */ + +} + +#if defined(CONFIG_PCI) +/* + * Initialize PCI Devices, report devices found. + */ + +#ifndef CONFIG_PCI_PNP +static struct pci_config_table pci_mpc85xxads_config_table[] = { + {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, + PCI_IDSEL_NUMBER, PCI_ANY_ID, + pci_cfgfunc_config_device, {PCI_ENET0_IOADDR, + PCI_ENET0_MEMADDR, + PCI_COMMAND_MEMORY | + PCI_COMMAND_MASTER}}, + {} +}; +#endif + + +static struct pci_controller hose = { +#ifndef CONFIG_PCI_PNP + config_table:pci_mpc85xxads_config_table, +#endif +}; + +#endif /* CONFIG_PCI */ + + +void pci_init_board (void) +{ +#ifdef CONFIG_PCI + pci_mpc85xx_init (&hose); +#endif /* CONFIG_PCI */ +} + +#ifdef CONFIG_BOARD_EARLY_INIT_R +int board_early_init_r (void) +{ +#ifdef CONFIG_PS2MULT + ps2mult_early_init(); +#endif /* CONFIG_PS2MULT */ + return (0); +} +#endif /* CONFIG_BOARD_EARLY_INIT_R */ + +#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) +void +ft_board_setup(void *blob, bd_t *bd) +{ + u32 val[4]; + int rc; + + ft_cpu_setup(blob, bd); + + /* Fixup NOR mapping */ + val[0] = 0; /* chip select number */ + val[1] = 0; /* always 0 */ + val[2] = gd->bd->bi_flashstart; + val[3] = gd->bd->bi_flashsize; + + rc = fdt_find_and_setprop(blob, "/localbus", "ranges", + val, sizeof(val), 1); + if (rc) + printf("Unable to update property NOR mapping, err=%s\n", + fdt_strerror(rc)); +} +#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */ |