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/*
* 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 <hwconfig.h>
#include <i2c.h>
#include <libfdt.h>
#include <fdt_support.h>
#include <pci.h>
#include <mpc83xx.h>
#include <netdev.h>
#include <asm/io.h>
#include <ns16550.h>
#include <nand.h>
DECLARE_GLOBAL_DATA_PTR;
int board_early_init_f(void)
{
volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
if (im->pmc.pmccr1 & PMCCR1_POWER_OFF)
gd->flags |= GD_FLG_SILENT;
return 0;
}
#ifndef CONFIG_NAND_SPL
static u8 read_board_info(void)
{
u8 val8;
i2c_set_bus_num(0);
if (i2c_read(CONFIG_SYS_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: CONFIG_SYS_PCI_MEM_BASE,
phys_start: CONFIG_SYS_PCI_MEM_PHYS,
size: CONFIG_SYS_PCI_MEM_SIZE,
flags: PCI_REGION_MEM | PCI_REGION_PREFETCH
},
{
bus_start: CONFIG_SYS_PCI_MMIO_BASE,
phys_start: CONFIG_SYS_PCI_MMIO_PHYS,
size: CONFIG_SYS_PCI_MMIO_SIZE,
flags: PCI_REGION_MEM
},
{
bus_start: CONFIG_SYS_PCI_IO_BASE,
phys_start: CONFIG_SYS_PCI_IO_PHYS,
size: CONFIG_SYS_PCI_IO_SIZE,
flags: PCI_REGION_IO
}
};
static struct pci_region pcie_regions_0[] = {
{
.bus_start = CONFIG_SYS_PCIE1_MEM_BASE,
.phys_start = CONFIG_SYS_PCIE1_MEM_PHYS,
.size = CONFIG_SYS_PCIE1_MEM_SIZE,
.flags = PCI_REGION_MEM,
},
{
.bus_start = CONFIG_SYS_PCIE1_IO_BASE,
.phys_start = CONFIG_SYS_PCIE1_IO_PHYS,
.size = CONFIG_SYS_PCIE1_IO_SIZE,
.flags = PCI_REGION_IO,
},
};
static struct pci_region pcie_regions_1[] = {
{
.bus_start = CONFIG_SYS_PCIE2_MEM_BASE,
.phys_start = CONFIG_SYS_PCIE2_MEM_PHYS,
.size = CONFIG_SYS_PCIE2_MEM_SIZE,
.flags = PCI_REGION_MEM,
},
{
.bus_start = CONFIG_SYS_PCIE2_IO_BASE,
.phys_start = CONFIG_SYS_PCIE2_IO_PHYS,
.size = CONFIG_SYS_PCIE2_IO_SIZE,
.flags = PCI_REGION_IO,
},
};
void pci_init_board(void)
{
volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR;
volatile sysconf83xx_t *sysconf = &immr->sysconf;
volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk;
volatile law83xx_t *pci_law = immr->sysconf.pcilaw;
volatile law83xx_t *pcie_law = sysconf->pcielaw;
struct pci_region *reg[] = { pci_regions };
struct pci_region *pcie_reg[] = { pcie_regions_0, pcie_regions_1, };
/* Enable all 3 PCI_CLK_OUTPUTs. */
clk->occr |= 0xe0000000;
/*
* Configure PCI Local Access Windows
*/
pci_law[0].bar = CONFIG_SYS_PCI_MEM_PHYS & LAWBAR_BAR;
pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB;
pci_law[1].bar = CONFIG_SYS_PCI_IO_PHYS & LAWBAR_BAR;
pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB;
mpc83xx_pci_init(1, reg);
/* Configure the clock for PCIE controller */
clrsetbits_be32(&clk->sccr, SCCR_PCIEXP1CM | SCCR_PCIEXP2CM,
SCCR_PCIEXP1CM_1 | SCCR_PCIEXP2CM_1);
/* Deassert the resets in the control register */
out_be32(&sysconf->pecr1, 0xE0008000);
out_be32(&sysconf->pecr2, 0xE0008000);
udelay(2000);
/* Configure PCI Express Local Access Windows */
out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR);
out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB);
out_be32(&pcie_law[1].bar, CONFIG_SYS_PCIE2_BASE & LAWBAR_BAR);
out_be32(&pcie_law[1].ar, LBLAWAR_EN | LBLAWAR_512MB);
mpc83xx_pcie_init(2, pcie_reg);
}
#if defined(CONFIG_OF_BOARD_SETUP)
void fdt_tsec1_fixup(void *fdt, bd_t *bd)
{
const char disabled[] = "disabled";
const char *path;
int ret;
if (hwconfig_arg_cmp("board_type", "tsec1")) {
return;
} else if (!hwconfig_arg_cmp("board_type", "ulpi")) {
printf("NOTICE: No or unknown board_type hwconfig specified.\n"
" Assuming board with TSEC1.\n");
return;
}
ret = fdt_path_offset(fdt, "/aliases");
if (ret < 0) {
printf("WARNING: can't find /aliases node\n");
return;
}
path = fdt_getprop(fdt, ret, "ethernet0", NULL);
if (!path) {
printf("WARNING: can't find ethernet0 alias\n");
return;
}
do_fixup_by_path(fdt, path, "status", disabled, sizeof(disabled), 1);
}
void ft_board_setup(void *blob, bd_t *bd)
{
ft_cpu_setup(blob, bd);
#ifdef CONFIG_PCI
ft_pci_setup(blob, bd);
#endif
fdt_fixup_dr_usb(blob, bd);
fdt_tsec1_fixup(blob, bd);
}
#endif
int board_eth_init(bd_t *bis)
{
cpu_eth_init(bis); /* Initialize TSECs first */
return pci_eth_init(bis);
}
#else /* CONFIG_NAND_SPL */
int checkboard(void)
{
puts("Board: Freescale MPC8315ERDB\n");
return 0;
}
void board_init_f(ulong bootflag)
{
board_early_init_f();
NS16550_init((NS16550_t)(CONFIG_SYS_IMMR + 0x4500),
CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE);
puts("NAND boot... ");
init_timebase();
initdram(0);
relocate_code(CONFIG_SYS_NAND_U_BOOT_RELOC + 0x10000, (gd_t *)gd,
CONFIG_SYS_NAND_U_BOOT_RELOC);
}
void board_init_r(gd_t *gd, ulong dest_addr)
{
nand_boot();
}
void putc(char c)
{
if (gd->flags & GD_FLG_SILENT)
return;
if (c == '\n')
NS16550_putc((NS16550_t)(CONFIG_SYS_IMMR + 0x4500), '\r');
NS16550_putc((NS16550_t)(CONFIG_SYS_IMMR + 0x4500), c);
}
#endif /* CONFIG_NAND_SPL */
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