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/*
* (C) Copyright 2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2004
* Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com.
*
* (C) Copyright 2005-2007
* 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 <mpc5xxx.h>
#include <malloc.h>
#include <pci.h>
#include <i2c.h>
#include <fpga.h>
#include <environment.h>
#include <fdt_support.h>
#include <netdev.h>
#include <asm/io.h>
#include "fpga.h"
#include "mvbc_p.h"
#include "../common/mv_common.h"
#define SDRAM_MODE 0x00CD0000
#define SDRAM_CONTROL 0x504F0000
#define SDRAM_CONFIG1 0xD2322800
#define SDRAM_CONFIG2 0x8AD70000
DECLARE_GLOBAL_DATA_PTR;
static void sdram_start (int hi_addr)
{
long hi_bit = hi_addr ? 0x01000000 : 0;
/* unlock mode register */
out_be32((u32*)MPC5XXX_SDRAM_CTRL, SDRAM_CONTROL | 0x80000000 | hi_bit);
/* precharge all banks */
out_be32((u32*)MPC5XXX_SDRAM_CTRL, SDRAM_CONTROL | 0x80000002 | hi_bit);
/* precharge all banks */
out_be32((u32*)MPC5XXX_SDRAM_CTRL, SDRAM_CONTROL | 0x80000002 | hi_bit);
/* auto refresh */
out_be32((u32*)MPC5XXX_SDRAM_CTRL, SDRAM_CONTROL | 0x80000004 | hi_bit);
/* set mode register */
out_be32((u32*)MPC5XXX_SDRAM_MODE, SDRAM_MODE);
/* normal operation */
out_be32((u32*)MPC5XXX_SDRAM_CTRL, SDRAM_CONTROL | hi_bit);
}
phys_addr_t initdram (int board_type)
{
ulong dramsize = 0;
ulong test1,
test2;
/* setup SDRAM chip selects */
out_be32((u32*)MPC5XXX_SDRAM_CS0CFG, 0x0000001e);
/* setup config registers */
out_be32((u32*)MPC5XXX_SDRAM_CONFIG1, SDRAM_CONFIG1);
out_be32((u32*)MPC5XXX_SDRAM_CONFIG2, SDRAM_CONFIG2);
/* find RAM size using SDRAM CS0 only */
sdram_start(0);
test1 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x80000000);
sdram_start(1);
test2 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x80000000);
if (test1 > test2) {
sdram_start(0);
dramsize = test1;
} else
dramsize = test2;
if (dramsize < (1 << 20))
dramsize = 0;
if (dramsize > 0)
out_be32((u32*)MPC5XXX_SDRAM_CS0CFG, 0x13 +
__builtin_ffs(dramsize >> 20) - 1);
else
out_be32((u32*)MPC5XXX_SDRAM_CS0CFG, 0);
return dramsize;
}
void mvbc_init_gpio(void)
{
struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio*)MPC5XXX_GPIO;
printf("Ports : 0x%08x\n", gpio->port_config);
printf("PORCFG: 0x%08lx\n", *(vu_long*)MPC5XXX_CDM_PORCFG);
out_be32(&gpio->simple_ddr, SIMPLE_DDR);
out_be32(&gpio->simple_dvo, SIMPLE_DVO);
out_be32(&gpio->simple_ode, SIMPLE_ODE);
out_be32(&gpio->simple_gpioe, SIMPLE_GPIOEN);
out_8(&gpio->sint_ode, SINT_ODE);
out_8(&gpio->sint_ddr, SINT_DDR);
out_8(&gpio->sint_dvo, SINT_DVO);
out_8(&gpio->sint_inten, SINT_INTEN);
out_be16(&gpio->sint_itype, SINT_ITYPE);
out_8(&gpio->sint_gpioe, SINT_GPIOEN);
out_8((u8*)MPC5XXX_WU_GPIO_ODE, WKUP_ODE);
out_8((u8*)MPC5XXX_WU_GPIO_DIR, WKUP_DIR);
out_8((u8*)MPC5XXX_WU_GPIO_DATA_O, WKUP_DO);
out_8((u8*)MPC5XXX_WU_GPIO_ENABLE, WKUP_EN);
printf("simple_gpioe: 0x%08x\n", gpio->simple_gpioe);
printf("sint_gpioe : 0x%08x\n", gpio->sint_gpioe);
}
int misc_init_r(void)
{
char *s = getenv("reset_env");
if (!s) {
if (in_8((u8*)MPC5XXX_WU_GPIO_DATA_I) & MPC5XXX_GPIO_WKUP_6)
return 0;
udelay(50000);
if (in_8((u8*)MPC5XXX_WU_GPIO_DATA_I) & MPC5XXX_GPIO_WKUP_6)
return 0;
udelay(50000);
if (in_8((u8*)MPC5XXX_WU_GPIO_DATA_I) & MPC5XXX_GPIO_WKUP_6)
return 0;
}
printf(" === FACTORY RESET ===\n");
mv_reset_environment();
saveenv();
return -1;
}
int checkboard(void)
{
mvbc_init_gpio();
printf("Board: Matrix Vision mvBlueCOUGAR-P\n");
return 0;
}
void flash_preinit(void)
{
/*
* Now, when we are in RAM, enable flash write
* access for detection process.
* Note that CS_BOOT cannot be cleared when
* executing in flash.
*/
clrbits_be32((u32*)MPC5XXX_BOOTCS_CFG, 0x1);
}
void flash_afterinit(ulong size)
{
out_be32((u32*)MPC5XXX_BOOTCS_START, START_REG(CONFIG_SYS_BOOTCS_START |
size));
out_be32((u32*)MPC5XXX_CS0_START, START_REG(CONFIG_SYS_BOOTCS_START |
size));
out_be32((u32*)MPC5XXX_BOOTCS_STOP, STOP_REG(CONFIG_SYS_BOOTCS_START | size,
size));
out_be32((u32*)MPC5XXX_CS0_STOP, STOP_REG(CONFIG_SYS_BOOTCS_START | size,
size));
}
void pci_mvbc_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
{
unsigned char line = 0xff;
char *s = getenv("pci_latency");
u32 base;
u8 val = 0;
if (s)
val = simple_strtoul(s, NULL, 16);
if (PCI_BUS(dev) == 0) {
switch (PCI_DEV (dev)) {
case 0xa: /* FPGA */
line = 3;
pci_hose_read_config_dword(hose, dev, PCI_BASE_ADDRESS_0, &base);
printf("found FPGA - enable arbitration\n");
writel(0x03, (u32*)(base + 0x80c0));
writel(0xf0, (u32*)(base + 0x8080));
if (val)
pci_hose_write_config_byte(hose, dev, PCI_LATENCY_TIMER, val);
break;
case 0xb: /* LAN */
line = 2;
if (val)
pci_hose_write_config_byte(hose, dev, PCI_LATENCY_TIMER, val);
break;
case 0x1a:
break;
default:
printf ("***pci_scan: illegal dev = 0x%08x\n", PCI_DEV (dev));
break;
}
pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, line);
}
}
struct pci_controller hose = {
fixup_irq:pci_mvbc_fixup_irq
};
extern void pci_mpc5xxx_init(struct pci_controller *);
void pci_init_board(void)
{
mvbc_p_init_fpga();
mv_load_fpga();
pci_mpc5xxx_init(&hose);
}
void show_boot_progress(int val)
{
struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio*)MPC5XXX_GPIO;
switch(val) {
case 0: /* FPGA ok */
setbits_be32(&gpio->simple_dvo, LED_G0);
break;
case 65:
setbits_be32(&gpio->simple_dvo, LED_G1);
break;
case 12:
setbits_be32(&gpio->simple_dvo, LED_Y);
break;
case 15:
setbits_be32(&gpio->simple_dvo, LED_R);
break;
default:
break;
}
}
void ft_board_setup(void *blob, bd_t *bd)
{
ft_cpu_setup(blob, bd);
fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
}
int board_eth_init(bd_t *bis)
{
cpu_eth_init(bis); /* Built in FEC comes first */
return pci_eth_init(bis);
}
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