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/*
* Copyright (C) Freescale Semiconductor, Inc. 2006-2007
* Copyright (C) Sheldon Instruments, Inc. 2008
*
* Author: Ron Madrid <info@sheldoninst.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 <libfdt.h>
#include <pci.h>
#include <mpc83xx.h>
#include <ns16550.h>
#include <nand.h>
#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
int checkboard(void)
{
puts("Board: Sheldon Instruments SIMPC8313\n");
return 0;
}
#ifndef CONFIG_NAND_SPL
static struct pci_region pci_regions[] = {
{
bus_start: CONFIG_SYS_PCI1_MEM_BASE,
phys_start: CONFIG_SYS_PCI1_MEM_PHYS,
size: CONFIG_SYS_PCI1_MEM_SIZE,
flags: PCI_REGION_MEM | PCI_REGION_PREFETCH
},
{
bus_start: CONFIG_SYS_PCI1_MMIO_BASE,
phys_start: CONFIG_SYS_PCI1_MMIO_PHYS,
size: CONFIG_SYS_PCI1_MMIO_SIZE,
flags: PCI_REGION_MEM
},
{
bus_start: CONFIG_SYS_PCI1_IO_BASE,
phys_start: CONFIG_SYS_PCI1_IO_PHYS,
size: CONFIG_SYS_PCI1_IO_SIZE,
flags: PCI_REGION_IO
}
};
void pci_init_board(void)
{
volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_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 = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR;
pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB;
pci_law[1].bar = CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR;
pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB;
warmboot = gd->bd->bi_bootflags & BOOTFLAG_WARM;
mpc83xx_pci_init(1, reg, warmboot);
}
/*
* Miscellaneous late-boot configurations
*/
int misc_init_r(void)
{
int rc = 0;
immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
fsl_lbus_t *lbus = &immap->lbus;
u32 *mxmr = &lbus->mamr; /* Pointer to mamr */
/* UPM Table Configuration Code */
static uint UPMATable[] = {
/* Read Single-Beat (RSS) */
0x0fff0c00, 0x0fffdc00, 0x0fff0c05, 0xfffffc00,
0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
/* Read Burst (RBS) */
0x0fff0c00, 0x0ffcdc00, 0x0ffc0c00, 0x0ffc0f0c,
0x0ffccf0c, 0x0ffc0f0c, 0x0ffcce0c, 0x3ffc0c05,
0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
/* Write Single-Beat (WSS) */
0x0ffc0c00, 0x0ffcdc00, 0x0ffc0c05, 0xfffffc00,
0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
/* Write Burst (WBS) */
0x0ffc0c00, 0x0fffcc0c, 0x0fff0c00, 0x0fffcc00,
0x0fff1c00, 0x0fffcf0c, 0x0fff0f0c, 0x0fffcf0c,
0x0fff0c0c, 0x0fffcc0c, 0x0fff0c05, 0xfffffc00,
0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
/* Refresh Timer (RTS) */
0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
/* Exception Condition (EXS) */
0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01
};
upmconfig(UPMA, UPMATable, sizeof(UPMATable) / sizeof(UPMATable[0]));
/* Set LUPWAIT to be active low and enabled */
out_be32(mxmr, MxMR_UWPL | MxMR_GPL_x4DIS);
return rc;
}
#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
#else /* CONFIG_NAND_SPL */
void board_init_f(ulong bootflag)
{
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_SP, (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
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