* (C) Copyright 2001
* Denis Peter, MPL AG Switzerland, d.peter@mpl.ch
*
- * 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
- *
+ * SPDX-License-Identifier: GPL-2.0+
*
* TODO: clean-up
*/
#include <common.h>
#include "mip405.h"
#include <asm/processor.h>
-#include <4xx_i2c.h>
+#include <asm/ppc4xx.h>
+#include <asm/ppc4xx-i2c.h>
#include <miiphy.h>
#include "../common/common_util.h"
#include <stdio_dev.h>
#undef SDRAM_DEBUG
#define ENABLE_ECC /* for ecc boards */
-#define FALSE 0
-#define TRUE 1
/* stdlib.h causes some compatibility problems; should fixe these! -- wd */
#ifndef __ldiv_t_defined
unsigned char sz; /* log binary => Size = (4MByte<<sz) 5 = 128, 4 = 64, 3 = 32, 2 = 16, 1=8 */
unsigned char ecc; /* if true, ecc is enabled */
} sdram_t;
-#if defined(CONFIG_MIP405T)
+#if defined(CONFIG_TARGET_MIP405T)
const sdram_t sdram_table[] = {
{ 0x0F, /* MIP405T Rev A, 64MByte -1 Board */
3, /* Case Latenty = 3 */
0xff,
0xff }
};
-#endif /*CONFIG_MIP405T */
+#endif /*CONFIG_TARGET_MIP405T */
void SDRAM_err (const char *s)
{
#ifndef SDRAM_DEBUG
unsigned char trp_clocks,
trcd_clocks,
tras_clocks,
- trc_clocks,
- tctp_clocks;
+ trc_clocks;
unsigned char cal_val;
unsigned char bc;
unsigned long sdram_tim, sdram_bank;
#endif
/* check board */
bc = in8 (PLD_PART_REG);
-#if defined(CONFIG_MIP405T)
+#if defined(CONFIG_TARGET_MIP405T)
if((bc & 0x80)==0)
SDRAM_err ("U-Boot configured for a MIP405T not for a MIP405!!!\n");
#else
trcd_clocks = sdram_table[i].trcd; /* 20ns /7.5 ns (datain[29]) */
tras_clocks = sdram_table[i].tras; /* 44ns /7.5 ns (datain[30]) */
/* ctp = ((trp + tras) - trp - trcd) => tras - trcd */
- tctp_clocks = sdram_table[i].tctp; /* 44 - 20ns = 24ns */
/* trc_clocks is sum of trp_clocks + tras_clocks */
trc_clocks = trp_clocks + tras_clocks;
/* get SDRAM timing register */
- mtdcr (SDRAM0_CFGADDR, mem_sdtr1);
+ mtdcr (SDRAM0_CFGADDR, SDRAM0_TR);
sdram_tim = mfdcr (SDRAM0_CFGDATA) & ~0x018FC01F;
/* insert CASL value */
sdram_tim |= ((unsigned long) (cal_val)) << 23;
/* insert SZ value; */
tmp |= ((unsigned long) sdram_table[i].sz << 17);
/* get SDRAM bank 0 register */
- mtdcr (SDRAM0_CFGADDR, mem_mb0cf);
+ mtdcr (SDRAM0_CFGADDR, SDRAM0_B0CR);
sdram_bank = mfdcr (SDRAM0_CFGDATA) & ~0xFFCEE001;
sdram_bank |= (baseaddr | tmp | 0x01);
#endif
/* write SDRAM timing register */
- mtdcr (SDRAM0_CFGADDR, mem_sdtr1);
+ mtdcr (SDRAM0_CFGADDR, SDRAM0_TR);
mtdcr (SDRAM0_CFGDATA, sdram_tim);
#ifdef SDRAM_DEBUG
#endif
/* write SDRAM bank 0 register */
- mtdcr (SDRAM0_CFGADDR, mem_mb0cf);
+ mtdcr (SDRAM0_CFGADDR, SDRAM0_B0CR);
mtdcr (SDRAM0_CFGDATA, sdram_bank);
if (get_bus_freq (tmp) > 110000000) { /* > 110MHz */
/* get SDRAM refresh interval register */
- mtdcr (SDRAM0_CFGADDR, mem_rtr);
+ mtdcr (SDRAM0_CFGADDR, SDRAM0_RTR);
tmp = mfdcr (SDRAM0_CFGDATA) & ~0x3FF80000;
tmp |= 0x07F00000;
} else {
/* get SDRAM refresh interval register */
- mtdcr (SDRAM0_CFGADDR, mem_rtr);
+ mtdcr (SDRAM0_CFGADDR, SDRAM0_RTR);
tmp = mfdcr (SDRAM0_CFGDATA) & ~0x3FF80000;
tmp |= 0x05F00000;
}
/* write SDRAM refresh interval register */
- mtdcr (SDRAM0_CFGADDR, mem_rtr);
+ mtdcr (SDRAM0_CFGADDR, SDRAM0_RTR);
mtdcr (SDRAM0_CFGDATA, tmp);
/* enable ECC if used */
#if defined(ENABLE_ECC) && !defined(CONFIG_BOOT_PCI)
#ifdef SDRAM_DEBUG
serial_puts ("disable ECC.. ");
#endif
- mtdcr (SDRAM0_CFGADDR, mem_ecccf);
+ mtdcr (SDRAM0_CFGADDR, SDRAM0_ECCCFG);
tmp = mfdcr (SDRAM0_CFGDATA);
tmp &= 0xff0fffff; /* disable all banks */
- mtdcr (SDRAM0_CFGADDR, mem_ecccf);
+ mtdcr (SDRAM0_CFGADDR, SDRAM0_ECCCFG);
/* set up SDRAM Controller with ECC enabled */
#ifdef SDRAM_DEBUG
serial_puts ("setup SDRAM Controller.. ");
#endif
mtdcr (SDRAM0_CFGDATA, tmp);
- mtdcr (SDRAM0_CFGADDR, mem_mcopt1);
+ mtdcr (SDRAM0_CFGADDR, SDRAM0_CFG);
tmp = (mfdcr (SDRAM0_CFGDATA) & ~0xFFE00000) | 0x90800000;
- mtdcr (SDRAM0_CFGADDR, mem_mcopt1);
+ mtdcr (SDRAM0_CFGADDR, SDRAM0_CFG);
mtdcr (SDRAM0_CFGDATA, tmp);
udelay (600);
#ifdef SDRAM_DEBUG
serial_puts ("enable ECC\n");
#endif
udelay (400);
- mtdcr (SDRAM0_CFGADDR, mem_ecccf);
+ mtdcr (SDRAM0_CFGADDR, SDRAM0_ECCCFG);
tmp = mfdcr (SDRAM0_CFGDATA);
tmp |= 0x00800000; /* enable bank 0 */
mtdcr (SDRAM0_CFGDATA, tmp);
#endif
{
/* enable SDRAM controller with no ECC, 32-bit SDRAM width, 16 byte burst */
- mtdcr (SDRAM0_CFGADDR, mem_mcopt1);
+ mtdcr (SDRAM0_CFGADDR, SDRAM0_CFG);
tmp = (mfdcr (SDRAM0_CFGDATA) & ~0xFFE00000) | 0x80C00000;
- mtdcr (SDRAM0_CFGADDR, mem_mcopt1);
+ mtdcr (SDRAM0_CFGADDR, SDRAM0_CFG);
mtdcr (SDRAM0_CFGDATA, tmp);
udelay (400);
}
| caused the interrupt.
|
+-------------------------------------------------------------------------*/
- mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
- mtdcr (uicer, 0x00000000); /* disable all ints */
- mtdcr (uiccr, 0x00000000); /* set all to be non-critical (for now) */
- mtdcr (uicpr, 0xFFFFFF80); /* set int polarities */
- mtdcr (uictr, 0x10000000); /* set int trigger levels */
- mtdcr (uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority */
- mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
+ mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */
+ mtdcr (UIC0ER, 0x00000000); /* disable all ints */
+ mtdcr (UIC0CR, 0x00000000); /* set all to be non-critical (for now) */
+ mtdcr (UIC0PR, 0xFFFFFF80); /* set int polarities */
+ mtdcr (UIC0TR, 0x10000000); /* set int trigger levels */
+ mtdcr (UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest priority */
+ mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */
return 0;
}
+int board_early_init_r(void)
+{
+ int mode;
+
+ /*
+ * since we are relocated, we can finally enable i-cache
+ * and set up the flash CS correctly
+ */
+ icache_enable();
+ setup_cs_reloc();
+ /* get and display boot mode */
+ mode = get_boot_mode();
+ if (mode & BOOT_PCI)
+ printf("PCI Boot %s Map\n", (mode & BOOT_MPS) ?
+ "MPS" : "Flash");
+ else
+ printf("%s Boot\n", (mode & BOOT_MPS) ?
+ "MPS" : "Flash");
+
+ return 0;
+}
/*
* Get some PLD Registers
void get_pcbrev_var(unsigned char *pcbrev, unsigned char *var)
{
-#if !defined(CONFIG_MIP405T)
+#if !defined(CONFIG_TARGET_MIP405T)
unsigned char bc,rc,tmp;
int i;
* Check Board Identity:
*/
/* serial String: "MIP405_1000" OR "MIP405T_1000" */
-#if !defined(CONFIG_MIP405T)
+#if !defined(CONFIG_TARGET_MIP405T)
#define BOARD_NAME "MIP405"
#else
#define BOARD_NAME "MIP405T"
puts ("Board: ");
get_pcbrev_var(&bc,&var);
- i = getenv_r ("serial#", (char *)s, 32);
+ i = getenv_f("serial#", (char *)s, 32);
if ((i == 0) || strncmp ((char *)s, BOARD_NAME,sizeof(BOARD_NAME))) {
get_backup_values (b);
if (strncmp (b->signature, "MPL\0", 4) != 0) {
/* ------------------------------------------------------------------------- */
/* ------------------------------------------------------------------------- */
/*
- initdram(int board_type) reads EEPROM via I2c. EEPROM contains all of
+ dram_init() reads EEPROM via I2c. EEPROM contains all of
the necessary info for SDRAM controller configuration
*/
/* ------------------------------------------------------------------------- */
/* ------------------------------------------------------------------------- */
static int test_dram (unsigned long ramsize);
-phys_size_t initdram (int board_type)
+int dram_init(void)
{
unsigned long bank_reg[4], tmp, bank_size;
- int i, ds;
+ int i;
unsigned long TotalSize;
- ds = 0;
/* since the DRAM controller is allready set up, calculate the size with the
bank registers */
- mtdcr (SDRAM0_CFGADDR, mem_mb0cf);
+ mtdcr (SDRAM0_CFGADDR, SDRAM0_B0CR);
bank_reg[0] = mfdcr (SDRAM0_CFGDATA);
- mtdcr (SDRAM0_CFGADDR, mem_mb1cf);
+ mtdcr (SDRAM0_CFGADDR, SDRAM0_B1CR);
bank_reg[1] = mfdcr (SDRAM0_CFGDATA);
- mtdcr (SDRAM0_CFGADDR, mem_mb2cf);
+ mtdcr (SDRAM0_CFGADDR, SDRAM0_B2CR);
bank_reg[2] = mfdcr (SDRAM0_CFGDATA);
- mtdcr (SDRAM0_CFGADDR, mem_mb3cf);
+ mtdcr (SDRAM0_CFGADDR, SDRAM0_B3CR);
bank_reg[3] = mfdcr (SDRAM0_CFGDATA);
TotalSize = 0;
for (i = 0; i < 4; i++) {
tmp = (bank_reg[i] >> 17) & 0x7;
bank_size = 4 << tmp;
TotalSize += bank_size;
- } else
- ds = 1;
+ }
}
- mtdcr (SDRAM0_CFGADDR, mem_ecccf);
+ mtdcr (SDRAM0_CFGADDR, SDRAM0_ECCCFG);
tmp = mfdcr (SDRAM0_CFGDATA);
if (!tmp)
printf ("ECC ");
test_dram (TotalSize * MEGA_BYTE);
- return (TotalSize * MEGA_BYTE);
+ gd->ram_size = TotalSize * MEGA_BYTE;
+
+ return 0;
}
/* ------------------------------------------------------------------------- */
/* used to check if the time in RTC is valid */
static unsigned long start;
static struct rtc_time tm;
-extern flash_info_t flash_info[]; /* info for FLASH chips */
int misc_init_r (void)
{
}
-#ifdef CONFIG_POST
-/*
- * Returns 1 if keys pressed to start the power-on long-running tests
- * Called from board_init_f().
- */
-int post_hotkeys_pressed(void)
-{
- return 0; /* No hotkeys supported */
-}
-#endif
-
-extern void mem_test_reloc(void);
extern int mk_date (char *, struct rtc_time *);
int last_stage_init (void)
unsigned long stop;
struct rtc_time newtm;
char *s;
- mem_test_reloc();
+
/* write correct LED configuration */
if (miiphy_write("ppc_4xx_eth0", 0x1, 0x14, 0x2402) != 0) {
printf ("Error writing to the PHY\n");
int overwrite_console (void)
{
- return ((in8 (PLD_EXT_CONF_REG) & 0x1)==0); /* return TRUE if console should be overwritten */
+ /* return true if console should be overwritten */
+ return ((in8(PLD_EXT_CONF_REG) & 0x1) == 0);
}
(cfg >> 1) & 0x1, (cfg >> 2) & 0x1, (cfg >> 3) & 0x1);
printf ("User LED %s\n", (com_mode & 0x4) ? "on" : "off");
printf ("UART Clocks %d\n", (com_mode >> 4) & 0x3);
-#if !defined(CONFIG_MIP405T)
+#if !defined(CONFIG_TARGET_MIP405T)
printf ("User Config Switch %d %d %d %d %d %d %d %d\n",
(ext) & 0x1, (ext >> 1) & 0x1, (ext >> 2) & 0x1,
(ext >> 3) & 0x1, (ext >> 4) & 0x1, (ext >> 5) & 0x1,
printf ("IDE Reset %s\n", (ext & 0x01) ? "asserted" : "not asserted");
printf ("IRQs:\n");
printf (" PIIX INTR: %s\n", (irq_reg & 0x80) ? "inactive" : "active");
-#if !defined(CONFIG_MIP405T)
+#if !defined(CONFIG_TARGET_MIP405T)
printf (" UART0 IRQ: %s\n", (irq_reg & 0x40) ? "inactive" : "active");
printf (" UART1 IRQ: %s\n", (irq_reg & 0x20) ? "inactive" : "active");
#endif
projects / platform / kernel / u-boot.git / blobdiff