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/*
* Copyright (C) 2006 Freescale Semiconductor, Inc.
* Dave Liu <daveliu@freescale.com>
*
* Copyright (C) 2007 Logic Product Development, Inc.
* Peter Barada <peterb@logicpd.com>
*
* Copyright (C) 2007 MontaVista Software, Inc.
* Anton Vorontsov <avorontsov@ru.mvista.com>
*
* (C) Copyright 2008
* Heiko Schocher, DENX Software Engineering, hs@denx.de.
*
* 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.
*/
#include <common.h>
#include <ioports.h>
#include <mpc83xx.h>
#include <i2c.h>
#include <miiphy.h>
#include <asm/io.h>
#include <asm/mmu.h>
#include <asm/processor.h>
#include <pci.h>
#include <libfdt.h>
#include "../common/common.h"
extern void disable_addr_trans (void);
extern void enable_addr_trans (void);
const qe_iop_conf_t qe_iop_conf_tab[] = {
/* port pin dir open_drain assign */
/* MDIO */
{0, 1, 3, 0, 2}, /* MDIO */
{0, 2, 1, 0, 1}, /* MDC */
/* UCC4 - UEC */
{1, 14, 1, 0, 1}, /* TxD0 */
{1, 15, 1, 0, 1}, /* TxD1 */
{1, 20, 2, 0, 1}, /* RxD0 */
{1, 21, 2, 0, 1}, /* RxD1 */
{1, 18, 1, 0, 1}, /* TX_EN */
{1, 26, 2, 0, 1}, /* RX_DV */
{1, 27, 2, 0, 1}, /* RX_ER */
{1, 24, 2, 0, 1}, /* COL */
{1, 25, 2, 0, 1}, /* CRS */
{2, 15, 2, 0, 1}, /* TX_CLK - CLK16 */
{2, 16, 2, 0, 1}, /* RX_CLK - CLK17 */
/* DUART - UART2 */
{5, 0, 1, 0, 2}, /* UART2_SOUT */
{5, 2, 1, 0, 1}, /* UART2_RTS */
{5, 3, 2, 0, 2}, /* UART2_SIN */
{5, 1, 2, 0, 3}, /* UART2_CTS */
/* END of table */
{0, 0, 0, 0, QE_IOP_TAB_END},
};
static int board_init_i2c_busses (void)
{
I2C_MUX_DEVICE *dev = NULL;
uchar *buf;
/* Set up the Bus for the DTTs */
buf = (unsigned char *) getenv ("dtt_bus");
if (buf != NULL)
dev = i2c_mux_ident_muxstring (buf);
if (dev == NULL) {
printf ("Error couldn't add Bus for DTT\n");
printf ("please setup dtt_bus to where your\n");
printf ("DTT is found.\n");
}
return 0;
}
int board_early_init_r (void)
{
unsigned short svid;
/*
* Because of errata in the UCCs, we have to write to the reserved
* registers to slow the clocks down.
*/
svid = SVR_REV(mfspr (SVR));
switch (svid) {
case 0x0020:
setbits_be32((void *)(CONFIG_SYS_IMMR + 0x14a8), 0x0c003000);
break;
case 0x0021:
clrsetbits_be32((void *)(CONFIG_SYS_IMMR + 0x14ac),
0x00000050, 0x000000a0);
break;
}
/* enable the PHY on the PIGGY */
setbits (8, (void *)(CONFIG_SYS_PIGGY_BASE + 0x10003), 0x01);
return 0;
}
int misc_init_r (void)
{
/* add board specific i2c busses */
board_init_i2c_busses ();
return 0;
}
int fixed_sdram(void)
{
volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
u32 msize = 0;
u32 ddr_size;
u32 ddr_size_log2;
im->sysconf.ddrlaw[0].ar = LAWAR_EN | 0x1e;
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_CLK_CNTL;
udelay (200);
im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;
msize = CONFIG_SYS_DDR_SIZE << 20;
disable_addr_trans ();
msize = get_ram_size (CONFIG_SYS_DDR_BASE, msize);
enable_addr_trans ();
msize /= (1024 * 1024);
if (CONFIG_SYS_DDR_SIZE != msize) {
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].ar =
LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE);
im->ddr.csbnds[0].csbnds = (((msize / 16) - 1) & 0xff);
}
return msize;
}
phys_size_t initdram (int board_type)
{
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC)
extern void ddr_enable_ecc (unsigned int dram_size);
#endif
volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
u32 msize = 0;
if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32)im)
return -1;
/* DDR SDRAM - Main SODIMM */
im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_BASE & LAWBAR_BAR;
msize = fixed_sdram ();
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC)
/*
* Initialize DDR ECC byte
*/
ddr_enable_ecc (msize * 1024 * 1024);
#endif
/* return total bus SDRAM size(bytes) -- DDR */
return (msize * 1024 * 1024);
}
int checkboard (void)
{
puts ("Board: Keymile kmeter1");
if (ethernet_present ())
puts (" with PIGGY.");
puts ("\n");
return 0;
}
#if defined(CONFIG_OF_BOARD_SETUP)
void ft_board_setup (void *blob, bd_t *bd)
{
ft_cpu_setup (blob, bd);
}
#endif
#if defined(CONFIG_HUSH_INIT_VAR)
extern int ivm_read_eeprom (void);
int hush_init_var (void)
{
ivm_read_eeprom ();
return 0;
}
#endif
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