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/*
* Copyright (C) Freescale Semiconductor, Inc. 2006.
*
* (C) Copyright 2008
* Andre Schwarz, Matrix Vision GmbH, andre.schwarz@matrix-vision.de
*
* 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 <ioports.h>
#include <mpc83xx.h>
#include <asm/mpc8349_pci.h>
#include <pci.h>
#include <spi.h>
#include <asm/mmu.h>
#if defined(CONFIG_OF_LIBFDT)
#include <libfdt.h>
#endif
#include "mvblm7.h"
int fixed_sdram(void)
{
volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
u32 msize = 0;
u32 ddr_size;
u32 ddr_size_log2;
char *s = getenv("ddr_size");
msize = CONFIG_SYS_DDR_SIZE;
if (s) {
u32 env_ddr_size = simple_strtoul(s, NULL, 10);
if (env_ddr_size == 512)
msize = 512;
}
for (ddr_size = msize << 20, ddr_size_log2 = 0;
(ddr_size > 1);
ddr_size = ddr_size >> 1, ddr_size_log2++) {
if (ddr_size & 1)
return -1;
}
im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_SDRAM_BASE & 0xfffff000;
im->sysconf.ddrlaw[0].ar = LAWAR_EN | ((ddr_size_log2 - 1) &
LAWAR_SIZE);
im->ddr.csbnds[0].csbnds = CONFIG_SYS_DDR_CS0_BNDS;
im->ddr.cs_config[0] = CONFIG_SYS_DDR_CS0_CONFIG;
im->ddr.timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
im->ddr.timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
im->ddr.timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
im->ddr.timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
im->ddr.sdram_cfg = CONFIG_SYS_DDR_SDRAM_CFG;
im->ddr.sdram_cfg2 = CONFIG_SYS_DDR_SDRAM_CFG2;
im->ddr.sdram_mode = CONFIG_SYS_DDR_MODE;
im->ddr.sdram_mode2 = CONFIG_SYS_DDR_MODE2;
im->ddr.sdram_interval = CONFIG_SYS_DDR_INTERVAL;
im->ddr.sdram_clk_cntl = CONFIG_SYS_DDR_SDRAM_CLK_CNTL;
asm("sync;isync");
udelay(600);
im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;
asm("sync;isync");
udelay(500);
return msize;
}
phys_size_t initdram(int board_type)
{
volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
u32 msize = 0;
if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im)
return -1;
im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_BASE & LAWBAR_BAR;
msize = fixed_sdram();
/* return total bus RAM size(bytes) */
return msize * 1024 * 1024;
}
int misc_init_r(void)
{
char *s = getenv("reset_env");
if (s) {
mv_reset_environment();
}
return 0;
}
int checkboard(void)
{
puts("Board: Matrix Vision mvBlueLYNX-M7\n");
return 0;
}
#ifdef CONFIG_HARD_SPI
int spi_cs_is_valid(unsigned int bus, unsigned int cs)
{
return bus == 0 && cs == 0;
}
void spi_cs_activate(struct spi_slave *slave)
{
volatile gpio83xx_t *iopd = &((immap_t *)CONFIG_SYS_IMMR)->gpio[0];
iopd->dat &= ~MVBLM7_MMC_CS;
}
void spi_cs_deactivate(struct spi_slave *slave)
{
volatile gpio83xx_t *iopd = &((immap_t *)CONFIG_SYS_IMMR)->gpio[0];
iopd->dat |= ~MVBLM7_MMC_CS;
}
#endif
#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
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