diff options
author | Dave Liu <r63238@freescale.com> | 2008-01-11 18:48:24 +0800 |
---|---|---|
committer | Kim Phillips <kim.phillips@freescale.com> | 2008-01-16 12:00:49 -0600 |
commit | 8bd522ce4afda3d4868ee8c913f5394094326be1 (patch) | |
tree | d53b1424bb84ec78ce819215488fe05f2f15dd91 /board/freescale/mpc8315erdb/mpc8315erdb.c | |
parent | b05884efa614e4d8a9413158fc228e0dc02ab704 (diff) |
mpc83xx: Add the support for MPC8315ERDB board
The features list:
- Boot from NOR Flash
- DDR2 266MHz hardcoded configuration
- Local bus NOR Flash R/W operation
- I2C, UART, MII and RTC
- eTSEC0/1 support
- PCI host
Signed-off-by: Dave Liu <daveliu@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Diffstat (limited to 'board/freescale/mpc8315erdb/mpc8315erdb.c')
-rw-r--r-- | board/freescale/mpc8315erdb/mpc8315erdb.c | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/board/freescale/mpc8315erdb/mpc8315erdb.c b/board/freescale/mpc8315erdb/mpc8315erdb.c new file mode 100644 index 0000000000..7af36ddb9b --- /dev/null +++ b/board/freescale/mpc8315erdb/mpc8315erdb.c @@ -0,0 +1,132 @@ +/* + * Copyright (C) 2007 Freescale Semiconductor, Inc. + * + * Author: Scott Wood <scottwood@freescale.com> + * Dave Liu <daveliu@freescale.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 <i2c.h> +#if defined(CONFIG_OF_LIBFDT) +#include <libfdt.h> +#endif +#include <pci.h> +#include <mpc83xx.h> + +DECLARE_GLOBAL_DATA_PTR; + +int board_early_init_f(void) +{ + volatile immap_t *im = (immap_t *)CFG_IMMR; + + if (im->pmc.pmccr1 & PMCCR1_POWER_OFF) + gd->flags |= GD_FLG_SILENT; + + return 0; +} + +static u8 read_board_info(void) +{ + u8 val8; + i2c_set_bus_num(0); + + if (i2c_read(CFG_I2C_PCF8574A_ADDR, 0, 0, &val8, 1) == 0) + return val8; + else + return 0; +} + +int checkboard(void) +{ + static const char * const rev_str[] = { + "0.0", + "0.1", + "1.0", + "1.1", + "<unknown>", + }; + u8 info; + int i; + + info = read_board_info(); + i = (!info) ? 4: info & 0x03; + + printf("Board: Freescale MPC8315ERDB Rev %s\n", rev_str[i]); + + return 0; +} + +static struct pci_region pci_regions[] = { + { + bus_start: CFG_PCI_MEM_BASE, + phys_start: CFG_PCI_MEM_PHYS, + size: CFG_PCI_MEM_SIZE, + flags: PCI_REGION_MEM | PCI_REGION_PREFETCH + }, + { + bus_start: CFG_PCI_MMIO_BASE, + phys_start: CFG_PCI_MMIO_PHYS, + size: CFG_PCI_MMIO_SIZE, + flags: PCI_REGION_MEM + }, + { + bus_start: CFG_PCI_IO_BASE, + phys_start: CFG_PCI_IO_PHYS, + size: CFG_PCI_IO_SIZE, + flags: PCI_REGION_IO + } +}; + +void pci_init_board(void) +{ + volatile immap_t *immr = (volatile immap_t *)CFG_IMMR; + volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk; + volatile law83xx_t *pci_law = immr->sysconf.pcilaw; + struct pci_region *reg[] = { pci_regions }; + int warmboot; + + /* Enable all 3 PCI_CLK_OUTPUTs. */ + clk->occr |= 0xe0000000; + + /* + * Configure PCI Local Access Windows + */ + pci_law[0].bar = CFG_PCI_MEM_PHYS & LAWBAR_BAR; + pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB; + + pci_law[1].bar = CFG_PCI_IO_PHYS & LAWBAR_BAR; + pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB; + + warmboot = gd->bd->bi_bootflags & BOOTFLAG_WARM; + warmboot |= immr->pmc.pmccr1 & PMCCR1_POWER_OFF; + + mpc83xx_pci_init(1, reg, warmboot); +} + +#if defined(CONFIG_OF_BOARD_SETUP) +void ft_board_setup(void *blob, bd_t *bd) +{ + ft_cpu_setup(blob, bd); +#ifdef CONFIG_PCI + ft_pci_setup(blob, bd); +#endif +} +#endif |