leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge with port of MPC8349EMDS board

Browse Source
This commit is contained in:
Wolfgang Denk 2006-03-17 17:41:56 +01:00
commit 0a112d8696
17 changed files with 2371 additions and 40 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
CHANGELOG
View File

@ -2,6 +2,28 @@
Changes since U-Boot 1.1.4:
======================================================================
* Add command for handling DDR ECC registers on MPC8349EE MDS board.
* Fix DDR ECC bit definitions for MPC83xx.
* Add initial support for MPC8349E MDS board.
* Add support for ECC DDR initialization on MPC83xx.
* Add DMA support for MPC83xx.
* Add sync in do_reset() routine for MPC83xx after RPR register
was written to. It is need on some targets when BAT translation
is enabled.
* Add bit definitions for MPC83xx DDR controller registers.
* Add Dcbz(), Dcbi() and Dcbf() routines for MPC83xx.
* Correct shift offsets in icache_status and dcache_status for MPC83xx.
* Add support for DS1374 RTC chip.
* Add support for Lite5200B board.
Patch by Patch by Jose Maria (Txema) Lopez, 16 Jan 2006

2
MAKEALL
View File

@ -117,7 +117,7 @@ LIST_8260=" \
#########################################################################
LIST_83xx=" \
MPC8349ADS TQM834x\
MPC8349ADS TQM834x MPC8349EMDS \
"

3
Makefile
View File

@ -1307,6 +1307,9 @@ MPC8349ADS_config: unconfig
TQM834x_config: unconfig
@./mkconfig $(@:_config=) ppc mpc83xx tqm834x
MPC8349EMDS_config: unconfig
@./mkconfig $(@:_config=) ppc mpc83xx mpc8349emds
#########################################################################
## MPC85xx Systems
#########################################################################

46
board/mpc8349emds/Makefile Normal file
View File

@ -0,0 +1,46 @@
#
# (C) Copyright 2006
# Wolfgang Denk, DENX Software Engineering, wd@denx.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 $(TOPDIR)/config.mk
LIB = lib$(BOARD).a
OBJS := $(BOARD).o
$(LIB): $(OBJS) $(SOBJS)
$(AR) crv $@ $(OBJS)
clean:
rm -f $(SOBJS) $(OBJS)
distclean: clean
rm -f $(LIB) core *.bak .depend
#########################################################################
.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
$(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
-include .depend
#########################################################################

28
board/mpc8349emds/config.mk Normal file
View File

@ -0,0 +1,28 @@
#
# (C) Copyright 2006
# Wolfgang Denk, DENX Software Engineering, wd@denx.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
#
#
# MPC8349EMDS
#
TEXT_BASE = 0xFE000000

602
board/mpc8349emds/mpc8349emds.c Normal file
View File

@ -0,0 +1,602 @@
/*
* (C) Copyright 2006
* Wolfgang Denk, DENX Software Engineering, wd@denx.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 <i2c.h>
#include <spd.h>
#include <miiphy.h>
#include <command.h>
#if defined(CONFIG_PCI)
#include <pci.h>
#endif
#if defined(CONFIG_SPD_EEPROM)
#include <spd_sdram.h>
#endif
int fixed_sdram(void);
void sdram_init(void);
#if defined(CONFIG_DDR_ECC) && defined(CONFIG_MPC83XX)
void ddr_enable_ecc(unsigned int dram_size);
#endif
int board_early_init_f (void)
{
volatile u8* bcsr = (volatile u8*)CFG_BCSR;
/* Enable flash write */
bcsr[1] &= ~0x01;
return 0;
}
#define ns2clk(ns) (ns / (1000000000 / CONFIG_8349_CLKIN) + 1)
long int initdram (int board_type)
{
volatile immap_t *im = (immap_t *)CFG_IMMRBAR;
u32 msize = 0;
if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32)im)
return -1;
puts("Initializing\n");
/* DDR SDRAM - Main SODIMM */
im->sysconf.ddrlaw[0].bar = CFG_DDR_BASE & LAWBAR_BAR;
#if defined(CONFIG_SPD_EEPROM)
msize = spd_sdram();
#else
msize = fixed_sdram();
#endif
/*
* Initialize SDRAM if it is on local bus.
*/
sdram_init();
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
/*
* Initialize and enable DDR ECC.
*/
ddr_enable_ecc(msize * 1024 * 1024);
#endif
puts(" DDR RAM: ");
/* return total bus SDRAM size(bytes) -- DDR */
return (msize * 1024 * 1024);
}
#if !defined(CONFIG_SPD_EEPROM)
/*************************************************************************
* fixed sdram init -- doesn't use serial presence detect.
************************************************************************/
int fixed_sdram(void)
{
volatile immap_t *im = (immap_t *)CFG_IMMRBAR;
u32 msize = 0;
u32 ddr_size;
u32 ddr_size_log2;
msize = CFG_DDR_SIZE;
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 = ((CFG_DDR_SDRAM_BASE>>12) & 0xfffff);
im->sysconf.ddrlaw[0].ar = LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE);
#if (CFG_DDR_SIZE != 256)
#warning Currenly any ddr size other than 256 is not supported
#endif
im->ddr.csbnds[2].csbnds = 0x0000000f;
im->ddr.cs_config[2] = CFG_DDR_CONFIG;
/* currently we use only one CS, so disable the other banks */
im->ddr.cs_config[0] = 0;
im->ddr.cs_config[1] = 0;
im->ddr.cs_config[3] = 0;
im->ddr.timing_cfg_1 = CFG_DDR_TIMING_1;
im->ddr.timing_cfg_2 = CFG_DDR_TIMING_2;
im->ddr.sdram_cfg =
SDRAM_CFG_SREN
#if defined(CONFIG_DDR_2T_TIMING)
| SDRAM_CFG_2T_EN
#endif
| 2 << SDRAM_CFG_SDRAM_TYPE_SHIFT;
#if defined (CONFIG_DDR_32BIT)
/* for 32-bit mode burst length is 8 */
im->ddr.sdram_cfg |= (SDRAM_CFG_32_BE | SDRAM_CFG_8_BE);
#endif
im->ddr.sdram_mode = CFG_DDR_MODE;
im->ddr.sdram_interval = CFG_DDR_INTERVAL;
udelay(200);
/* enable DDR controller */
im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;
return msize;
}
#endif/*!CFG_SPD_EEPROM*/
int checkboard (void)
{
puts("Board: Freescale MPC8349EMDS\n");
return 0;
}
#if defined(CONFIG_PCI)
/*
* Initialize PCI Devices, report devices found
*/
#ifndef CONFIG_PCI_PNP
static struct pci_config_table pci_mpc8349emds_config_table[] = {
{PCI_ANY_ID,PCI_ANY_ID,PCI_ANY_ID,PCI_ANY_ID,
pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
PCI_ENET0_MEMADDR,
PCI_COMMON_MEMORY | PCI_COMMAND_MASTER
} },
{}
}
#endif
volatile static struct pci_controller hose[] = {
{
#ifndef CONFIG_PCI_PNP
config_table:pci_mpc8349emds_config_table,
#endif
},
{
#ifndef CONFIG_PCI_PNP
config_table:pci_mpc8349emds_config_table,
#endif
}
};
#endif /* CONFIG_PCI */
void pci_init_board(void)
{
#ifdef CONFIG_PCI
extern void pci_mpc83xx_init(volatile struct pci_controller *hose);
pci_mpc83xx_init(hose);
#endif /* CONFIG_PCI */
}
/*
* if MPC8349EMDS is soldered with SDRAM
*/
#if defined(CFG_BR2_PRELIM) \
&& defined(CFG_OR2_PRELIM) \
&& defined(CFG_LBLAWBAR2_PRELIM) \
&& defined(CFG_LBLAWAR2_PRELIM)
/*
* Initialize SDRAM memory on the Local Bus.
*/
void sdram_init(void)
{
volatile immap_t *immap = (immap_t *)CFG_IMMRBAR;
volatile lbus8349_t *lbc= &immap->lbus;
uint *sdram_addr = (uint *)CFG_LBC_SDRAM_BASE;
puts("\n SDRAM on Local Bus: ");
print_size (CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n");
/*
* Setup SDRAM Base and Option Registers, already done in cpu_init.c
*/
/* setup mtrpt, lsrt and lbcr for LB bus */
lbc->lbcr = CFG_LBC_LBCR;
lbc->mrtpr = CFG_LBC_MRTPR;
lbc->lsrt = CFG_LBC_LSRT;
asm("sync");
/*
* Configure the SDRAM controller Machine Mode Register.
*/
lbc->lsdmr = CFG_LBC_LSDMR_5; /* 0x40636733; normal operation */
lbc->lsdmr = CFG_LBC_LSDMR_1; /* 0x68636733; precharge all the banks */
asm("sync");
*sdram_addr = 0xff;
udelay(100);
lbc->lsdmr = CFG_LBC_LSDMR_2; /* 0x48636733; auto refresh */
asm("sync");
/*1 times*/
*sdram_addr = 0xff;
udelay(100);
/*2 times*/
*sdram_addr = 0xff;
udelay(100);
/*3 times*/
*sdram_addr = 0xff;
udelay(100);
/*4 times*/
*sdram_addr = 0xff;
udelay(100);
/*5 times*/
*sdram_addr = 0xff;
udelay(100);
/*6 times*/
*sdram_addr = 0xff;
udelay(100);
/*7 times*/
*sdram_addr = 0xff;
udelay(100);
/*8 times*/
*sdram_addr = 0xff;
udelay(100);
/* 0x58636733; mode register write operation */
lbc->lsdmr = CFG_LBC_LSDMR_4;
asm("sync");
*sdram_addr = 0xff;
udelay(100);
lbc->lsdmr = CFG_LBC_LSDMR_5; /* 0x40636733; normal operation */
asm("sync");
*sdram_addr = 0xff;
udelay(100);
}
#else
void sdram_init(void)
{
put("SDRAM on Local Bus is NOT available!\n");
}
#endif
#if defined(CONFIG_DDR_ECC) && defined(CONFIG_DDR_ECC_CMD)
/*
* ECC user commands
*/
void ecc_print_status(void)
{
volatile immap_t *immap = (immap_t *)CFG_IMMRBAR;
volatile ddr8349_t *ddr = &immap->ddr;
printf("\nECC mode: %s\n\n", (ddr->sdram_cfg & SDRAM_CFG_ECC_EN) ? "ON" : "OFF");
/* Interrupts */
printf("Memory Error Interrupt Enable:\n");
printf(" Multiple-Bit Error Interrupt Enable: %d\n",
(ddr->err_int_en & ECC_ERR_INT_EN_MBEE) ? 1 : 0);
printf(" Single-Bit Error Interrupt Enable: %d\n",
(ddr->err_int_en & ECC_ERR_INT_EN_SBEE) ? 1 : 0);
printf(" Memory Select Error Interrupt Enable: %d\n\n",
(ddr->err_int_en & ECC_ERR_INT_EN_MSEE) ? 1 : 0);
/* Error disable */
printf("Memory Error Disable:\n");
printf(" Multiple-Bit Error Disable: %d\n",
(ddr->err_disable & ECC_ERROR_DISABLE_MBED) ? 1 : 0);
printf(" Sinle-Bit Error Disable: %d\n",
(ddr->err_disable & ECC_ERROR_DISABLE_SBED) ? 1 : 0);
printf(" Memory Select Error Disable: %d\n\n",
(ddr->err_disable & ECC_ERROR_DISABLE_MSED) ? 1 : 0);
/* Error injection */
printf("Memory Data Path Error Injection Mask High/Low: %08lx %08lx\n",
ddr->data_err_inject_hi, ddr->data_err_inject_lo);
printf("Memory Data Path Error Injection Mask ECC:\n");
printf(" ECC Mirror Byte: %d\n",
(ddr->ecc_err_inject & ECC_ERR_INJECT_EMB) ? 1 : 0);
printf(" ECC Injection Enable: %d\n",
(ddr->ecc_err_inject & ECC_ERR_INJECT_EIEN) ? 1 : 0);
printf(" ECC Error Injection Mask: 0x%02x\n\n",
ddr->ecc_err_inject & ECC_ERR_INJECT_EEIM);
/* SBE counter/threshold */
printf("Memory Single-Bit Error Management (0..255):\n");
printf(" Single-Bit Error Threshold: %d\n",
(ddr->err_sbe & ECC_ERROR_MAN_SBET) >> ECC_ERROR_MAN_SBET_SHIFT);
printf(" Single-Bit Error Counter: %d\n\n",
(ddr->err_sbe & ECC_ERROR_MAN_SBEC) >> ECC_ERROR_MAN_SBEC_SHIFT);
/* Error detect */
printf("Memory Error Detect:\n");
printf(" Multiple Memory Errors: %d\n",
(ddr->err_detect & ECC_ERROR_DETECT_MME) ? 1 : 0);
printf(" Multiple-Bit Error: %d\n",
(ddr->err_detect & ECC_ERROR_DETECT_MBE) ? 1 : 0);
printf(" Single-Bit Error: %d\n",
(ddr->err_detect & ECC_ERROR_DETECT_SBE) ? 1 : 0);
printf(" Memory Select Error: %d\n\n",
(ddr->err_detect & ECC_ERROR_DETECT_MSE) ? 1 : 0);
/* Capture data */
printf("Memory Error Address Capture: 0x%08lx\n", ddr->capture_address);
printf("Memory Data Path Read Capture High/Low: %08lx %08lx\n",
ddr->capture_data_hi, ddr->capture_data_lo);
printf("Memory Data Path Read Capture ECC: 0x%02x\n\n",
ddr->capture_ecc & CAPTURE_ECC_ECE);
printf("Memory Error Attributes Capture:\n");
printf(" Data Beat Number: %d\n",
(ddr->capture_attributes & ECC_CAPT_ATTR_BNUM) >> ECC_CAPT_ATTR_BNUM_SHIFT);
printf(" Transaction Size: %d\n",
(ddr->capture_attributes & ECC_CAPT_ATTR_TSIZ) >> ECC_CAPT_ATTR_TSIZ_SHIFT);
printf(" Transaction Source: %d\n",
(ddr->capture_attributes & ECC_CAPT_ATTR_TSRC) >> ECC_CAPT_ATTR_TSRC_SHIFT);
printf(" Transaction Type: %d\n",
(ddr->capture_attributes & ECC_CAPT_ATTR_TTYP) >> ECC_CAPT_ATTR_TTYP_SHIFT);
printf(" Error Information Valid: %d\n\n",
ddr->capture_attributes & ECC_CAPT_ATTR_VLD);
}
int do_ecc ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
volatile immap_t *immap = (immap_t *)CFG_IMMRBAR;
volatile ddr8349_t *ddr = &immap->ddr;
volatile u32 val;
u64 *addr, count, val64;
register u64 *i;
if (argc > 4) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
if (argc == 2) {
if (strcmp(argv[1], "status") == 0) {
ecc_print_status();
return 0;
} else if (strcmp(argv[1], "captureclear") == 0) {
ddr->capture_address = 0;
ddr->capture_data_hi = 0;
ddr->capture_data_lo = 0;
ddr->capture_ecc = 0;
ddr->capture_attributes = 0;
return 0;
}
}
if (argc == 3) {
if (strcmp(argv[1], "sbecnt") == 0) {
val = simple_strtoul(argv[2], NULL, 10);
if (val > 255) {
printf("Incorrect Counter value, should be 0..255\n");
return 1;
}
val = (val << ECC_ERROR_MAN_SBEC_SHIFT);
val |= (ddr->err_sbe & ECC_ERROR_MAN_SBET);
ddr->err_sbe = val;
return 0;
} else if (strcmp(argv[1], "sbethr") == 0) {
val = simple_strtoul(argv[2], NULL, 10);
if (val > 255) {
printf("Incorrect Counter value, should be 0..255\n");
return 1;
}
val = (val << ECC_ERROR_MAN_SBET_SHIFT);
val |= (ddr->err_sbe & ECC_ERROR_MAN_SBEC);
ddr->err_sbe = val;
return 0;
} else if (strcmp(argv[1], "errdisable") == 0) {
val = ddr->err_disable;
if (strcmp(argv[2], "+sbe") == 0) {
val |= ECC_ERROR_DISABLE_SBED;
} else if (strcmp(argv[2], "+mbe") == 0) {
val |= ECC_ERROR_DISABLE_MBED;
} else if (strcmp(argv[2], "+mse") == 0) {
val |= ECC_ERROR_DISABLE_MSED;
} else if (strcmp(argv[2], "+all") == 0) {
val |= (ECC_ERROR_DISABLE_SBED |
ECC_ERROR_DISABLE_MBED |
ECC_ERROR_DISABLE_MSED);
} else if (strcmp(argv[2], "-sbe") == 0) {
val &= ~ECC_ERROR_DISABLE_SBED;
} else if (strcmp(argv[2], "-mbe") == 0) {
val &= ~ECC_ERROR_DISABLE_MBED;
} else if (strcmp(argv[2], "-mse") == 0) {
val &= ~ECC_ERROR_DISABLE_MSED;
} else if (strcmp(argv[2], "-all") == 0) {
val &= ~(ECC_ERROR_DISABLE_SBED |
ECC_ERROR_DISABLE_MBED |
ECC_ERROR_DISABLE_MSED);
} else {
printf("Incorrect err_disable field\n");
return 1;
}
ddr->err_disable = val;
__asm__ __volatile__ ("sync");
__asm__ __volatile__ ("isync");
return 0;
} else if (strcmp(argv[1], "errdetectclr") == 0) {
val = ddr->err_detect;
if (strcmp(argv[2], "mme") == 0) {
val |= ECC_ERROR_DETECT_MME;
} else if (strcmp(argv[2], "sbe") == 0) {
val |= ECC_ERROR_DETECT_SBE;
} else if (strcmp(argv[2], "mbe") == 0) {
val |= ECC_ERROR_DETECT_MBE;
} else if (strcmp(argv[2], "mse") == 0) {
val |= ECC_ERROR_DETECT_MSE;
} else if (strcmp(argv[2], "all") == 0) {
val |= (ECC_ERROR_DETECT_MME |
ECC_ERROR_DETECT_MBE |
ECC_ERROR_DETECT_SBE |
ECC_ERROR_DETECT_MSE);
} else {
printf("Incorrect err_detect field\n");
return 1;
}
ddr->err_detect = val;
return 0;
} else if (strcmp(argv[1], "injectdatahi") == 0) {
val = simple_strtoul(argv[2], NULL, 16);
ddr->data_err_inject_hi = val;
return 0;
} else if (strcmp(argv[1], "injectdatalo") == 0) {
val = simple_strtoul(argv[2], NULL, 16);
ddr->data_err_inject_lo = val;
return 0;
} else if (strcmp(argv[1], "injectecc") == 0) {
val = simple_strtoul(argv[2], NULL, 16);
if (val > 0xff) {
printf("Incorrect ECC inject mask, should be 0x00..0xff\n");
return 1;
}
val |= (ddr->ecc_err_inject & ~ECC_ERR_INJECT_EEIM);
ddr->ecc_err_inject = val;
return 0;
} else if (strcmp(argv[1], "inject") == 0) {
val = ddr->ecc_err_inject;
if (strcmp(argv[2], "en") == 0)
val |= ECC_ERR_INJECT_EIEN;
else if (strcmp(argv[2], "dis") == 0)
val &= ~ECC_ERR_INJECT_EIEN;
else
printf("Incorrect command\n");
ddr->ecc_err_inject = val;
__asm__ __volatile__ ("sync");
__asm__ __volatile__ ("isync");
return 0;
} else if (strcmp(argv[1], "mirror") == 0) {
val = ddr->ecc_err_inject;
if (strcmp(argv[2], "en") == 0)
val |= ECC_ERR_INJECT_EMB;
else if (strcmp(argv[2], "dis") == 0)
val &= ~ECC_ERR_INJECT_EMB;
else
printf("Incorrect command\n");
ddr->ecc_err_inject = val;
return 0;
}
}
if (argc == 4) {
if (strcmp(argv[1], "test") == 0) {
addr = (u64 *)simple_strtoul(argv[2], NULL, 16);
count = simple_strtoul(argv[3], NULL, 16);
if ((u32)addr % 8) {
printf("Address not alligned on double word boundary\n");
return 1;
}
disable_interrupts();
icache_disable();
for (i = addr; i < addr + count; i++) {
/* enable injects */
ddr->ecc_err_inject |= ECC_ERR_INJECT_EIEN;
__asm__ __volatile__ ("sync");
__asm__ __volatile__ ("isync");
/* write memory location injecting errors */
*i = 0x1122334455667788ULL;
__asm__ __volatile__ ("sync");
/* disable injects */
ddr->ecc_err_inject &= ~ECC_ERR_INJECT_EIEN;
__asm__ __volatile__ ("sync");
__asm__ __volatile__ ("isync");
/* read data, this generates ECC error */
val64 = *i;
__asm__ __volatile__ ("sync");
/* disable errors for ECC */
ddr->err_disable |= ~ECC_ERROR_ENABLE;
__asm__ __volatile__ ("sync");
__asm__ __volatile__ ("isync");
/* re-initialize memory, write the location again
* NOT injecting errors this time */
*i = 0xcafecafecafecafeULL;
__asm__ __volatile__ ("sync");
/* enable errors for ECC */
ddr->err_disable &= ECC_ERROR_ENABLE;
__asm__ __volatile__ ("sync");
__asm__ __volatile__ ("isync");
}
icache_enable();
enable_interrupts();
return 0;
}
}
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
U_BOOT_CMD(
ecc, 4, 0, do_ecc,
"ecc - support for DDR ECC features\n",
"status - print out status info\n"
"ecc captureclear - clear capture regs data\n"
"ecc sbecnt <val> - set Single-Bit Error counter\n"
"ecc sbethr <val> - set Single-Bit Threshold\n"
"ecc errdisable <flag> - clear/set disable Memory Error Disable, flag:\n"
" [-|+]sbe - Single-Bit Error\n"
" [-|+]mbe - Multiple-Bit Error\n"
" [-|+]mse - Memory Select Error\n"
" [-|+]all - all errors\n"
"ecc errdetectclr <flag> - clear Memory Error Detect, flag:\n"
" mme - Multiple Memory Errors\n"
" sbe - Single-Bit Error\n"
" mbe - Multiple-Bit Error\n"
" mse - Memory Select Error\n"
" all - all errors\n"
"ecc injectdatahi <hi> - set Memory Data Path Error Injection Mask High\n"
"ecc injectdatalo <lo> - set Memory Data Path Error Injection Mask Low\n"
"ecc injectecc <ecc> - set ECC Error Injection Mask\n"
"ecc inject <en|dis> - enable/disable error injection\n"
"ecc mirror <en|dis> - enable/disable mirror byte\n"
"ecc test <addr> <cnt> - test mem region:\n"
" - enables injects\n"
" - writes pattern injecting errors\n"
" - disables injects\n"
" - reads pattern back, generates error\n"
" - re-inits memory"
);
#endif /* if defined(CONFIG_DDR_ECC) && defined(CONFIG_DDR_ECC_CMD) */

123
board/mpc8349emds/u-boot.lds Normal file
View File

@ -0,0 +1,123 @@
/*
* (C) Copyright 2006
* Wolfgang Denk, DENX Software Engineering, wd@denx.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
*/
OUTPUT_ARCH(powerpc)
SECTIONS
{
/* Read-only sections, merged into text segment: */
. = + SIZEOF_HEADERS;
.interp : { *(.interp) }
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.rel.text : { *(.rel.text) }
.rela.text : { *(.rela.text) }
.rel.data : { *(.rel.data) }
.rela.data : { *(.rela.data) }
.rel.rodata : { *(.rel.rodata) }
.rela.rodata : { *(.rela.rodata) }
.rel.got : { *(.rel.got) }
.rela.got : { *(.rela.got) }
.rel.ctors : { *(.rel.ctors) }
.rela.ctors : { *(.rela.ctors) }
.rel.dtors : { *(.rel.dtors) }
.rela.dtors : { *(.rela.dtors) }
.rel.bss : { *(.rel.bss) }
.rela.bss : { *(.rela.bss) }
.rel.plt : { *(.rel.plt) }
.rela.plt : { *(.rela.plt) }
.init : { *(.init) }
.plt : { *(.plt) }
.text :
{
cpu/mpc83xx/start.o (.text)
*(.text)
*(.fixup)
*(.got1)
. = ALIGN(16);
*(.rodata)
*(.rodata1)
*(.rodata.str1.4)
*(.eh_frame)
}
.fini : { *(.fini) } =0
.ctors : { *(.ctors) }
.dtors : { *(.dtors) }
/* Read-write section, merged into data segment: */
. = (. + 0x0FFF) & 0xFFFFF000;
_erotext = .;
PROVIDE (erotext = .);
.reloc :
{
*(.got)
_GOT2_TABLE_ = .;
*(.got2)
_FIXUP_TABLE_ = .;
*(.fixup)
}
__got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2;
__fixup_entries = (. - _FIXUP_TABLE_) >> 2;
.data :
{
*(.data)
*(.data1)
*(.sdata)
*(.sdata2)
*(.dynamic)
CONSTRUCTORS
}
_edata = .;
PROVIDE (edata = .);
. = .;
__u_boot_cmd_start = .;
.u_boot_cmd : { *(.u_boot_cmd) }
__u_boot_cmd_end = .;
. = .;
__start___ex_table = .;
__ex_table : { *(__ex_table) }
__stop___ex_table = .;
. = ALIGN(4096);
__init_begin = .;
.text.init : { *(.text.init) }
.data.init : { *(.data.init) }
. = ALIGN(4096);
__init_end = .;
__bss_start = .;
.bss :
{
*(.sbss) *(.scommon)
*(.dynbss)
*(.bss)
*(COMMON)
}
_end = . ;
PROVIDE (end = .);
}
ENTRY(_start)

87
cpu/mpc83xx/cpu.c
View File

@ -93,6 +93,8 @@ do_reset (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
/* enable Reset Control Reg */
immap->reset.rpr = 0x52535445;
__asm__ __volatile__ ("sync");
__asm__ __volatile__ ("isync");
/* confirm Reset Control Reg is enabled */
while(!((immap->reset.rcer) & RCER_CRE));
@ -189,3 +191,88 @@ ft_cpu_setup(void *blob, bd_t *bd)
#endif
}
#endif
#if defined(CONFIG_DDR_ECC)
void dma_init(void)
{
volatile immap_t *immap = (immap_t *)CFG_IMMRBAR;
volatile dma8349_t *dma = &immap->dma;
volatile u32 status = swab32(dma->dmasr0);
volatile u32 dmamr0 = swab32(dma->dmamr0);
debug("DMA-init\n");
/* initialize DMASARn, DMADAR and DMAABCRn */
dma->dmadar0 = (u32)0;
dma->dmasar0 = (u32)0;
dma->dmabcr0 = 0;
__asm__ __volatile__ ("sync");
__asm__ __volatile__ ("isync");
/* clear CS bit */
dmamr0 &= ~DMA_CHANNEL_START;
dma->dmamr0 = swab32(dmamr0);
__asm__ __volatile__ ("sync");
__asm__ __volatile__ ("isync");
/* while the channel is busy, spin */
while(status & DMA_CHANNEL_BUSY) {
status = swab32(dma->dmasr0);
}
debug("DMA-init end\n");
}
uint dma_check(void)
{
volatile immap_t *immap = (immap_t *)CFG_IMMRBAR;
volatile dma8349_t *dma = &immap->dma;
volatile u32 status = swab32(dma->dmasr0);
volatile u32 byte_count = swab32(dma->dmabcr0);
/* while the channel is busy, spin */
while (status & DMA_CHANNEL_BUSY) {
status = swab32(dma->dmasr0);
}
if (status & DMA_CHANNEL_TRANSFER_ERROR) {
printf ("DMA Error: status = %x @ %d\n", status, byte_count);
}
return status;
}
int dma_xfer(void *dest, u32 count, void *src)
{
volatile immap_t *immap = (immap_t *)CFG_IMMRBAR;
volatile dma8349_t *dma = &immap->dma;
volatile u32 dmamr0;
/* initialize DMASARn, DMADAR and DMAABCRn */
dma->dmadar0 = swab32((u32)dest);
dma->dmasar0 = swab32((u32)src);
dma->dmabcr0 = swab32(count);
__asm__ __volatile__ ("sync");
__asm__ __volatile__ ("isync");
/* init direct transfer, clear CS bit */
dmamr0 = (DMA_CHANNEL_TRANSFER_MODE_DIRECT |
DMA_CHANNEL_SOURCE_ADDRESS_HOLD_8B |
DMA_CHANNEL_SOURCE_ADRESSS_HOLD_EN);
dma->dmamr0 = swab32(dmamr0);
__asm__ __volatile__ ("sync");
__asm__ __volatile__ ("isync");
/* set CS to start DMA transfer */
dmamr0 |= DMA_CHANNEL_START;
dma->dmamr0 = swab32(dmamr0);
__asm__ __volatile__ ("sync");
__asm__ __volatile__ ("isync");
return ((int)dma_check());
}
#endif /*CONFIG_DDR_ECC*/

189
cpu/mpc83xx/spd_sdram.c
View File

@ -1,4 +1,7 @@
/*
* (C) Copyright 2006
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* Copyright 2004 Freescale Semiconductor.
* (C) Copyright 2003 Motorola Inc.
* Xianghua Xiao (X.Xiao@motorola.com)
@ -63,13 +66,42 @@ picos_to_clk(int picos)
return clks;
}
unsigned int
banksize(unsigned char row_dens)
unsigned int banksize(unsigned char row_dens)
{
return ((row_dens >> 2) | ((row_dens & 3) << 6)) << 24;
}
long int spd_sdram(int(read_spd)(uint addr))
int read_spd(uint addr)
{
return ((int) addr);
}
#undef SPD_DEBUG
#ifdef SPD_DEBUG
static void spd_debug(spd_eeprom_t *spd)
{
printf ("\nDIMM type: %-18.18s\n", spd->mpart);
printf ("SPD size: %d\n", spd->info_size);
printf ("EEPROM size: %d\n", 1 << spd->chip_size);
printf ("Memory type: %d\n", spd->mem_type);
printf ("Row addr: %d\n", spd->nrow_addr);
printf ("Column addr: %d\n", spd->ncol_addr);
printf ("# of rows: %d\n", spd->nrows);
printf ("Row density: %d\n", spd->row_dens);
printf ("# of banks: %d\n", spd->nbanks);
printf ("Data width: %d\n",
256 * spd->dataw_msb + spd->dataw_lsb);
printf ("Chip width: %d\n", spd->primw);
printf ("Refresh rate: %02X\n", spd->refresh);
printf ("CAS latencies: %02X\n", spd->cas_lat);
printf ("Write latencies: %02X\n", spd->write_lat);
printf ("tRP: %d\n", spd->trp);
printf ("tRCD: %d\n", spd->trcd);
printf ("\n");
}
#endif /* SPD_DEBUG */
long int spd_sdram()
{
volatile immap_t *immap = (immap_t *)CFG_IMMRBAR;
volatile ddr8349_t *ddr = &immap->ddr;
@ -81,10 +113,10 @@ long int spd_sdram(int(read_spd)(uint addr))
unsigned char caslat;
unsigned int trfc, trfc_clk, trfc_low;
#warning Current spd_sdram does not fit its usage... adjust implementation or API...
CFG_READ_SPD(SPD_EEPROM_ADDRESS, 0, 1, (uchar *) & spd, sizeof (spd));
#ifdef SPD_DEBUG
spd_debug(&spd);
#endif
if (spd.nrows > 2) {
puts("DDR:Only two chip selects are supported on ADS.\n");
return 0;
@ -219,25 +251,31 @@ long int spd_sdram(int(read_spd)(uint addr))
* Only DDR I is supported
* DDR I and II have different mode-register-set definition
*/
/* burst length is always 4 */
switch(caslat) {
case 2:
ddr->sdram_mode = 0x52; /* 1.5 */
tmp = 0x50; /* 1.5 */
break;
case 3:
ddr->sdram_mode = 0x22; /* 2.0 */
tmp = 0x20; /* 2.0 */
break;
case 4:
ddr->sdram_mode = 0x62; /* 2.5 */
tmp = 0x60; /* 2.5 */
break;
case 5:
ddr->sdram_mode = 0x32; /* 3.0 */
tmp = 0x30; /* 3.0 */
break;
default:
puts("DDR:only CAS Latency 1.5, 2.0, 2.5, 3.0 is supported.\n");
return 0;
}
#if defined (CONFIG_DDR_32BIT)
/* set burst length to 8 for 32-bit data path */
tmp |= 0x03;
#else
/* set burst length to 4 - default for 64-bit data path */
tmp |= 0x02;
#endif
ddr->sdram_mode = tmp;
debug("DDR:sdram_mode=0x%08x\n", ddr->sdram_mode);
switch(spd.refresh) {
@ -282,8 +320,13 @@ long int spd_sdram(int(read_spd)(uint addr))
*/
#if defined(CONFIG_DDR_ECC)
if (spd.config == 0x02) {
ddr->err_disable = 0x0000000d;
ddr->err_sbe = 0x00ff0000;
/* disable error detection */
ddr->err_disable = ~ECC_ERROR_ENABLE;
/* set single bit error threshold to maximum value,
* reset counter to zero */
ddr->err_sbe = (255 << ECC_ERROR_MAN_SBET_SHIFT) |
(0 << ECC_ERROR_MAN_SBEC_SHIFT);
}
debug("DDR:err_disable=0x%08x\n", ddr->err_disable);
debug("DDR:err_sbe=0x%08x\n", ddr->err_sbe);
@ -297,7 +340,8 @@ long int spd_sdram(int(read_spd)(uint addr))
* CLK_ADJST = 2-MCK/MCK_B, is lauched 1/2 of one SDRAM
* clock cycle after address/command
*/
ddr->sdram_clk_cntl = 0x82000000;
/*ddr->sdram_clk_cntl = 0x82000000;*/
ddr->sdram_clk_cntl = (DDR_SDRAM_CLK_CNTL_SS_EN|DDR_SDRAM_CLK_CNTL_CLK_ADJUST_05);
/*
* Figure out the settings for the sdram_cfg register. Build up
@ -311,6 +355,10 @@ long int spd_sdram(int(read_spd)(uint addr))
*/
tmp = 0xc2000000;
#if defined (CONFIG_DDR_32BIT)
/* in 32-Bit mode burst len is 8 beats */
tmp |= (SDRAM_CFG_32_BE | SDRAM_CFG_8_BE);
#endif
/*
* sdram_cfg[3] = RD_EN - registered DIMM enable
* A value of 0x26 indicates micron registered DIMMS (micron.com)
@ -324,7 +372,7 @@ long int spd_sdram(int(read_spd)(uint addr))
* If the user wanted ECC (enabled via sdram_cfg[2])
*/
if (spd.config == 0x02) {
tmp |= 0x20000000;
tmp |= SDRAM_CFG_ECC_EN;
}
#endif
@ -340,37 +388,94 @@ long int spd_sdram(int(read_spd)(uint addr))
udelay(500);
debug("DDR:sdram_cfg=0x%08x\n", ddr->sdram_cfg);
return memsize;/*in MBytes*/
return memsize; /*in MBytes*/
}
#endif /* CONFIG_SPD_EEPROM */
#if defined(CONFIG_DDR_ECC)
/*
* Use timebase counter, get_timer() is not availabe
* at this point of initialization yet.
*/
static __inline__ unsigned long get_tbms (void)
{
unsigned long tbl;
unsigned long tbu1, tbu2;
unsigned long ms;
unsigned long long tmp;
ulong tbclk = get_tbclk();
/* get the timebase ticks */
do {
asm volatile ("mftbu %0":"=r" (tbu1):);
asm volatile ("mftb %0":"=r" (tbl):);
asm volatile ("mftbu %0":"=r" (tbu2):);
} while (tbu1 != tbu2);
/* convert ticks to ms */
tmp = (unsigned long long)(tbu1);
tmp = (tmp << 32);
tmp += (unsigned long long)(tbl);
ms = tmp/(tbclk/1000);
return ms;
}
/*
* Initialize all of memory for ECC, then enable errors.
*/
void
ddr_enable_ecc(unsigned int dram_size)
//#define CONFIG_DDR_ECC_INIT_VIA_DMA
void ddr_enable_ecc(unsigned int dram_size)
{
#ifndef FIXME
uint *p = 0;
uint i = 0;
uint *p;
volatile immap_t *immap = (immap_t *)CFG_IMMRBAR;
volatile ccsr_ddr_t *ddr= &immap->im_ddr;
volatile ddr8349_t *ddr = &immap->ddr;
unsigned long t_start, t_end;
#if defined(CONFIG_DDR_ECC_INIT_VIA_DMA)
uint i;
#endif
debug("Initialize a Cachline in DRAM\n");
icache_enable();
#if defined(CONFIG_DDR_ECC_INIT_VIA_DMA)
/* Initialise DMA for direct Transfers */
dma_init();
#endif
for (*p = 0; p < (uint *)(8 * 1024); p++) {
t_start = get_tbms();
#if !defined(CONFIG_DDR_ECC_INIT_VIA_DMA)
debug("DDR init: Cache flush method\n");
for (p = 0; p < (uint *)(dram_size); p++) {
if (((unsigned int)p & 0x1f) == 0) {
ppcDcbz((unsigned long) p);
}
/* write pattern to cache and flush */
*p = (unsigned int)0xdeadbeef;
if (((unsigned int)p & 0x1c) == 0x1c) {
ppcDcbf((unsigned long) p);
}
}
#else
printf("DDR init: DMA method\n");
for (p = 0; p < (uint *)(8 * 1024); p++) {
/* zero one data cache line */
if (((unsigned int)p & 0x1f) == 0) {
ppcDcbz((unsigned long)p);
}
/* write pattern to it and flush */
*p = (unsigned int)0xdeadbeef;
if (((unsigned int)p & 0x1c) == 0x1c) {
ppcDcbf((unsigned long)p);
}
}
/* 8K */
dma_xfer((uint *)0x2000, 0x2000, (uint *)0);
@ -396,13 +501,31 @@ ddr_enable_ecc(unsigned int dram_size)
for (i = 1; i < dram_size / 0x800000; i++) {
dma_xfer((uint *)(0x800000*i), 0x800000, (uint *)0);
}
/*
* Enable errors for ECC.
*/
ddr->err_disable = 0x00000000;
asm("sync;isync");
#endif
}
t_end = get_tbms();
icache_disable();
debug("\nREADY!!\n");
debug("ddr init duration: %ld ms\n", t_end - t_start);
/* Clear All ECC Errors */
if ((ddr->err_detect & ECC_ERROR_DETECT_MME) == ECC_ERROR_DETECT_MME)
ddr->err_detect |= ECC_ERROR_DETECT_MME;
if ((ddr->err_detect & ECC_ERROR_DETECT_MBE) == ECC_ERROR_DETECT_MBE)
ddr->err_detect |= ECC_ERROR_DETECT_MBE;
if ((ddr->err_detect & ECC_ERROR_DETECT_SBE) == ECC_ERROR_DETECT_SBE)
ddr->err_detect |= ECC_ERROR_DETECT_SBE;
if ((ddr->err_detect & ECC_ERROR_DETECT_MSE) == ECC_ERROR_DETECT_MSE)
ddr->err_detect |= ECC_ERROR_DETECT_MSE;
/* Disable ECC-Interrupts */
ddr->err_int_en &= ECC_ERR_INT_DISABLE;
/* Enable errors for ECC */
ddr->err_disable &= ECC_ERROR_ENABLE;
__asm__ __volatile__ ("sync");
__asm__ __volatile__ ("isync");
}
#endif /* CONFIG_DDR_ECC */

38
cpu/mpc83xx/start.S
View File

@ -796,7 +796,7 @@ icache_disable:
.globl icache_status
icache_status:
mfspr r3, HID0
rlwinm r3, r3, HID0_ICE_SHIFT, 31, 31
rlwinm r3, r3, (31 - HID0_ICE_SHIFT + 1), 31, 31
blr
.globl dcache_enable
@ -828,7 +828,7 @@ dcache_disable:
.globl dcache_status
dcache_status:
mfspr r3, HID0
rlwinm r3, r3, HID0_DCE_SHIFT, 31, 31
rlwinm r3, r3, (31 - HID0_DCE_SHIFT + 1), 31, 31
blr
.globl get_pvr
@ -836,6 +836,40 @@ get_pvr:
mfspr r3, PVR
blr
/*------------------------------------------------------------------------------- */
/* Function: ppcDcbf */
/* Description: Data Cache block flush */
/* Input: r3 = effective address */
/* Output: none. */
/*------------------------------------------------------------------------------- */
.globl ppcDcbf
ppcDcbf:
dcbf r0,r3
blr
/*------------------------------------------------------------------------------- */
/* Function: ppcDcbi */
/* Description: Data Cache block Invalidate */
/* Input: r3 = effective address */
/* Output: none. */
/*------------------------------------------------------------------------------- */
.globl ppcDcbi
ppcDcbi:
dcbi r0,r3
blr
/*--------------------------------------------------------------------------
* Function: ppcDcbz
* Description: Data Cache block zero.
* Input: r3 = effective address
* Output: none.
*-------------------------------------------------------------------------- */
.globl ppcDcbz
ppcDcbz:
dcbz r0,r3
blr
/*-------------------------------------------------------------------*/
/*

156
doc/README.mpc8349emds.ddrecc Normal file
View File

@ -0,0 +1,156 @@
Overview
========
The overall usage pattern for ECC diagnostic commands is the following:
* (injecting errors is initially disabled)
* define inject mask (which tells the DDR controller what type of errors
we'll be injecting: single/multiple bit etc.)
* enable injecting errors - from now on the controller injects errors as
indicated in the inject mask
IMPORTANT NOTICE: enabling injecting multiple-bit errors is potentially
dangerous as such errors are NOT corrected by the controller. Therefore caution
should be taken when enabling the injection of multiple-bit errors: it is only
safe when used on a carefully selected memory area and used under control of
the 'ecc test' command (see example 'Injecting Multiple-Bit Errors' below). In
particular, when you simply set the multiple-bit errors in inject mask and
enable injection, U-Boot is very likely to hang quickly as the errors will be
injected when it accesses its code, data etc.
Use cases for DDR 'ecc' command:
================================
Before executing particular tests reset target board or clear status registers:
=> ecc captureclear
=> ecc errdetectclr all
=> ecc sbecnt 0
Injecting Single-Bit Errors
---------------------------
1. Set 1 bit in Data Path Error Inject Mask
=> ecc injectdatahi 1
2. Run test over some memory region
=> ecc test 200000 10
3. Check ECC status
=> ecc status
...
Memory Data Path Error Injection Mask High/Low: 00000001 00000000
...
Memory Single-Bit Error Management (0..255):
Single-Bit Error Threshold: 255
Single Bit Error Counter: 16
...
Memory Error Detect:
Multiple Memory Errors: 0
Multiple-Bit Error: 0
Single-Bit Error: 0
...
16 errors were generated, Single-Bit Error flag was not set as Single Bit Error
Counter did not reach Single-Bit Error Threshold.
4. Make sure used memory region got re-initialized with 0xcafecafe pattern
=> md 200000
00200000: cafecafe cafecafe cafecafe cafecafe ................
00200010: cafecafe cafecafe cafecafe cafecafe ................
00200020: cafecafe cafecafe cafecafe cafecafe ................
00200030: cafecafe cafecafe cafecafe cafecafe ................
00200040: cafecafe cafecafe cafecafe cafecafe ................
00200050: cafecafe cafecafe cafecafe cafecafe ................
00200060: cafecafe cafecafe cafecafe cafecafe ................
00200070: cafecafe cafecafe cafecafe cafecafe ................
00200080: deadbeef deadbeef deadbeef deadbeef ................
00200090: deadbeef deadbeef deadbeef deadbeef ................
Injecting Multiple-Bit Errors
-----------------------------
1. Set more than 1 bit in Data Path Error Inject Mask
=> ecc injectdatahi 5
2. Run test over some memory region
=> ecc test 200000 10
3. Check ECC status
=> ecc status
...
Memory Data Path Error Injection Mask High/Low: 00000005 00000000
...
Memory Error Detect:
Multiple Memory Errors: 1
Multiple-Bit Error: 1
Single-Bit Error: 0
...
Observe that both Multiple Memory Errors and Multiple-Bit Error flags are set.
4. Make sure used memory region got re-initialized with 0xcafecafe pattern
=> md 200000
00200000: cafecafe cafecafe cafecafe cafecafe ................
00200010: cafecafe cafecafe cafecafe cafecafe ................
00200020: cafecafe cafecafe cafecafe cafecafe ................
00200030: cafecafe cafecafe cafecafe cafecafe ................
00200040: cafecafe cafecafe cafecafe cafecafe ................
00200050: cafecafe cafecafe cafecafe cafecafe ................
00200060: cafecafe cafecafe cafecafe cafecafe ................
00200070: cafecafe cafecafe cafecafe cafecafe ................
00200080: deadbeef deadbeef deadbeef deadbeef ................
00200090: deadbeef deadbeef deadbeef deadbeef ................
Test Single-Bit Error Counter and Threshold
-------------------------------------------
1. Set 1 bit in Data Path Error Inject Mask
=> ecc injectdatahi 1
2. Enable error injection
=> ecc inject en
3. Let u-boot run for a with Single-Bit error injection enabled
4. Disable error injection
=> ecc inject dis
4. Check status
=> ecc status
...
Memory Single-Bit Error Management (0..255):
Single-Bit Error Threshold: 255
Single Bit Error Counter: 60
Memory Error Detect:
Multiple Memory Errors: 1
Multiple-Bit Error: 0
Single-Bit Error: 1
...
Observe that Single-Bit Error is 'on' which means that Single-Bit Error Counter
reached Single-Bit Error Threshold. Multiple Memory Errors bit is also 'on', that
is Counter reached Threshold more than one time (it wraps back after reaching
Threshold).

139
include/asm-ppc/immap_83xx.h
View File

@ -675,24 +675,76 @@ typedef struct ddr8349{
u8 res9[8];
u32 sdram_clk_cntl;
#define DDR_SDRAM_CLK_CNTL_SS_EN 0x80000000
#define DDR_SDRAM_CLK_CNTL_CLK_ADJUST_025 0x01000000
#define DDR_SDRAM_CLK_CNTL_CLK_ADJUST_05 0x02000000
#define DDR_SDRAM_CLK_CNTL_CLK_ADJUST_075 0x03000000
#define DDR_SDRAM_CLK_CNTL_CLK_ADJUST_1 0x04000000
u8 res4[0xCCC];
u32 data_err_inject_hi; /**< Memory Data Path Error Injection Mask High */
u32 data_err_inject_lo; /**< Memory Data Path Error Injection Mask Low */
u32 ecc_err_inject; /**< Memory Data Path Error Injection Mask ECC */
#define ECC_ERR_INJECT_EMB (0x80000000>>22) /* ECC Mirror Byte */
#define ECC_ERR_INJECT_EIEN (0x80000000>>23) /* Error Injection Enable */
#define ECC_ERR_INJECT_EEIM (0xff000000>>24) /* ECC Erroe Injection Enable */
#define ECC_ERR_INJECT_EEIM_SHIFT 0
u8 res5[0x14];
u32 capture_data_hi; /**< Memory Data Path Read Capture High */
u32 capture_data_lo; /**< Memory Data Path Read Capture Low */
u32 capture_ecc; /**< Memory Data Path Read Capture ECC */
#define CAPTURE_ECC_ECE (0xff000000>>24)
#define CAPTURE_ECC_ECE_SHIFT 0
u8 res6[0x14];
u32 err_detect; /**< Memory Error Detect */
#define ECC_ERROR_DETECT_MME (0x80000000>>0) /* Multiple Memory Errors */
#define ECC_ERROR_DETECT_MBE (0x80000000>>28) /* Multiple-Bit Error */
#define ECC_ERROR_DETECT_SBE (0x80000000>>29) /* Single-Bit ECC Error Pickup */
#define ECC_ERROR_DETECT_MSE (0x80000000>>31) /* Memory Select Error */
u32 err_disable; /**< Memory Error Disable */
#define ECC_ERROR_DISABLE_MBED (0x80000000>>28) /* Multiple-Bit ECC Error Disable */
#define ECC_ERROR_DISABLE_SBED (0x80000000>>29) /* Sinle-Bit ECC Error disable */
#define ECC_ERROR_DISABLE_MSED (0x80000000>>31) /* Memory Select Error Disable */
#define ECC_ERROR_ENABLE ~(ECC_ERROR_DISABLE_MSED|ECC_ERROR_DISABLE_SBED|ECC_ERROR_DISABLE_MBED)
u32 err_int_en; /**< Memory Error Interrupt Enable */
#define ECC_ERR_INT_EN_MBEE (0x80000000>>28) /* Multiple-Bit ECC Error Interrupt Enable */
#define ECC_ERR_INT_EN_SBEE (0x80000000>>29) /* Single-Bit ECC Error Interrupt Enable */
#define ECC_ERR_INT_EN_MSEE (0x80000000>>31) /* Memory Select Error Interrupt Enable */
#define ECC_ERR_INT_DISABLE ~(ECC_ERR_INT_EN_MBEE|ECC_ERR_INT_EN_SBEE|ECC_ERR_INT_EN_MSEE)
u32 capture_attributes; /**< Memory Error Attributes Capture */
#define ECC_CAPT_ATTR_BNUM (0xe0000000>>1) /* Data Beat Num */
#define ECC_CAPT_ATTR_BNUM_SHIFT 28
#define ECC_CAPT_ATTR_TSIZ (0xc0000000>>6) /* Transaction Size */
#define ECC_CAPT_ATTR_TSIZ_FOUR_DW 0
#define ECC_CAPT_ATTR_TSIZ_ONE_DW 1
#define ECC_CAPT_ATTR_TSIZ_TWO_DW 2
#define ECC_CAPT_ATTR_TSIZ_THREE_DW 3
#define ECC_CAPT_ATTR_TSIZ_SHIFT 24
#define ECC_CAPT_ATTR_TSRC (0xf8000000>>11) /* Transaction Source */
#define ECC_CAPT_ATTR_TSRC_E300_CORE_DT 0x0
#define ECC_CAPT_ATTR_TSRC_E300_CORE_IF 0x2
#define ECC_CAPT_ATTR_TSRC_TSEC1 0x4
#define ECC_CAPT_ATTR_TSRC_TSEC2 0x5
#define ECC_CAPT_ATTR_TSRC_USB (0x06|0x07)
#define ECC_CAPT_ATTR_TSRC_ENCRYPT 0x8
#define ECC_CAPT_ATTR_TSRC_I2C 0x9
#define ECC_CAPT_ATTR_TSRC_JTAG 0xA
#define ECC_CAPT_ATTR_TSRC_PCI1 0xD
#define ECC_CAPT_ATTR_TSRC_PCI2 0xE
#define ECC_CAPT_ATTR_TSRC_DMA 0xF
#define ECC_CAPT_ATTR_TSRC_SHIFT 16
#define ECC_CAPT_ATTR_TTYP (0xe0000000>>18) /* Transaction Type */
#define ECC_CAPT_ATTR_TTYP_WRITE 0x1
#define ECC_CAPT_ATTR_TTYP_READ 0x2
#define ECC_CAPT_ATTR_TTYP_R_M_W 0x3
#define ECC_CAPT_ATTR_TTYP_SHIFT 12
#define ECC_CAPT_ATTR_VLD (0x80000000>>31) /* Valid */
u32 capture_address; /**< Memory Error Address Capture */
u32 capture_ext_address;/**< Memory Error Extended Address Capture */
u32 err_sbe; /**< Memory Single-Bit ECC Error Management */
#define ECC_ERROR_MAN_SBET (0xff000000>>8) /* Single-Bit Error Threshold 0..255*/
#define ECC_ERROR_MAN_SBET_SHIFT 16
#define ECC_ERROR_MAN_SBEC (0xff000000>>24) /* Single Bit Error Counter 0..255*/
#define ECC_ERROR_MAN_SBEC_SHIFT 0
u8 res7[0xA4];
u32 debug_reg;
u8 res8[0xFC];
@ -795,10 +847,95 @@ typedef struct spi8349
u8 res1[0xD8];
} spi8349_t;
/*
* DMA/Messaging Unit
*/
typedef struct dma8349 {
u8 fixme[0x300];
u32 res0[0xC]; /* 0x0-0x29 reseverd */
u32 omisr; /* 0x30 Outbound message interrupt status register */
u32 omimr; /* 0x34 Outbound message interrupt mask register */
u32 res1[0x6]; /* 0x38-0x49 reserved */
u32 imr0; /* 0x50 Inbound message register 0 */
u32 imr1; /* 0x54 Inbound message register 1 */
u32 omr0; /* 0x58 Outbound message register 0 */
u32 omr1; /* 0x5C Outbound message register 1 */
u32 odr; /* 0x60 Outbound doorbell register */
u32 res2; /* 0x64-0x67 reserved */
u32 idr; /* 0x68 Inbound doorbell register */
u32 res3[0x5]; /* 0x6C-0x79 reserved */
u32 imisr; /* 0x80 Inbound message interrupt status register */
u32 imimr; /* 0x84 Inbound message interrupt mask register */
u32 res4[0x1E]; /* 0x88-0x99 reserved */
u32 dmamr0; /* 0x100 DMA 0 mode register */
u32 dmasr0; /* 0x104 DMA 0 status register */
u32 dmacdar0; /* 0x108 DMA 0 current descriptor address register */
u32 res5; /* 0x10C reserved */
u32 dmasar0; /* 0x110 DMA 0 source address register */
u32 res6; /* 0x114 reserved */
u32 dmadar0; /* 0x118 DMA 0 destination address register */
u32 res7; /* 0x11C reserved */
u32 dmabcr0; /* 0x120 DMA 0 byte count register */
u32 dmandar0; /* 0x124 DMA 0 next descriptor address register */
u32 res8[0x16]; /* 0x128-0x179 reserved */
u32 dmamr1; /* 0x180 DMA 1 mode register */
u32 dmasr1; /* 0x184 DMA 1 status register */
u32 dmacdar1; /* 0x188 DMA 1 current descriptor address register */
u32 res9; /* 0x18C reserved */
u32 dmasar1; /* 0x190 DMA 1 source address register */
u32 res10; /* 0x194 reserved */
u32 dmadar1; /* 0x198 DMA 1 destination address register */
u32 res11; /* 0x19C reserved */
u32 dmabcr1; /* 0x1A0 DMA 1 byte count register */
u32 dmandar1; /* 0x1A4 DMA 1 next descriptor address register */
u32 res12[0x16];/* 0x1A8-0x199 reserved */
u32 dmamr2; /* 0x200 DMA 2 mode register */
u32 dmasr2; /* 0x204 DMA 2 status register */
u32 dmacdar2; /* 0x208 DMA 2 current descriptor address register */
u32 res13; /* 0x20C reserved */
u32 dmasar2; /* 0x210 DMA 2 source address register */
u32 res14; /* 0x214 reserved */
u32 dmadar2; /* 0x218 DMA 2 destination address register */
u32 res15; /* 0x21C reserved */
u32 dmabcr2; /* 0x220 DMA 2 byte count register */
u32 dmandar2; /* 0x224 DMA 2 next descriptor address register */
u32 res16[0x16];/* 0x228-0x279 reserved */
u32 dmamr3; /* 0x280 DMA 3 mode register */
u32 dmasr3; /* 0x284 DMA 3 status register */
u32 dmacdar3; /* 0x288 DMA 3 current descriptor address register */
u32 res17; /* 0x28C reserved */
u32 dmasar3; /* 0x290 DMA 3 source address register */
u32 res18; /* 0x294 reserved */
u32 dmadar3; /* 0x298 DMA 3 destination address register */
u32 res19; /* 0x29C reserved */
u32 dmabcr3; /* 0x2A0 DMA 3 byte count register */
u32 dmandar3; /* 0x2A4 DMA 3 next descriptor address register */
u32 dmagsr; /* 0x2A8 DMA general status register */
u32 res20[0x15];/* 0x2AC-0x2FF reserved */
} dma8349_t;
/* DMAMRn bits */
#define DMA_CHANNEL_START (0x00000001) /* Bit - DMAMRn CS */
#define DMA_CHANNEL_TRANSFER_MODE_DIRECT (0x00000004) /* Bit - DMAMRn CTM */
#define DMA_CHANNEL_SOURCE_ADRESSS_HOLD_EN (0x00001000) /* Bit - DMAMRn SAHE */
#define DMA_CHANNEL_SOURCE_ADDRESS_HOLD_1B (0x00000000) /* 2Bit- DMAMRn SAHTS 1byte */
#define DMA_CHANNEL_SOURCE_ADDRESS_HOLD_2B (0x00004000) /* 2Bit- DMAMRn SAHTS 2bytes */
#define DMA_CHANNEL_SOURCE_ADDRESS_HOLD_4B (0x00008000) /* 2Bit- DMAMRn SAHTS 4bytes */
#define DMA_CHANNEL_SOURCE_ADDRESS_HOLD_8B (0x0000c000) /* 2Bit- DMAMRn SAHTS 8bytes */
#define DMA_CHANNEL_SNOOP (0x00010000) /* Bit - DMAMRn DMSEN */
/* DMASRn bits */
#define DMA_CHANNEL_BUSY (0x00000004) /* Bit - DMASRn CB */
#define DMA_CHANNEL_TRANSFER_ERROR (0x00000080) /* Bit - DMASRn TE */
/*
* PCI Software Configuration Registers
*/

3
include/common.h
View File

@ -365,7 +365,8 @@ void trap_init (ulong);
defined (CONFIG_75x) || \
defined (CONFIG_74xx) || \
defined (CONFIG_MPC8220) || \
defined(CONFIG_MPC85xx)
defined (CONFIG_MPC85xx) || \
defined (CONFIG_MPC83XX)
unsigned char in8(unsigned int);
void out8(unsigned int, unsigned char);
unsigned short in16(unsigned int);

716
include/configs/MPC8349EMDS.h Normal file
View File

@ -0,0 +1,716 @@
/*
* (C) Copyright 2006
* Wolfgang Denk, DENX Software Engineering, wd@denx.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
*/
/*
* mpc8349emds board configuration file
*
*/
#ifndef __CONFIG_H
#define __CONFIG_H
#define DEBUG
#undef DEBUG
/*
* High Level Configuration Options
*/
#define CONFIG_E300 1 /* E300 Family */
#define CONFIG_MPC83XX 1 /* MPC83XX family */
#define CONFIG_MPC8349 1 /* MPC8349 specific */
#define CONFIG_MPC8349EMDS 1 /* MPC8349EMDS board specific */
/* FIXME: Real PCI support will come in a follow-up update. */
#undef CONFIG_PCI
#define PCI_66M
#ifdef PCI_66M
#define CONFIG_83XX_CLKIN 66000000 /* in Hz */
#else
#define CONFIG_83XX_CLKIN 33000000 /* in Hz */
#endif
#ifndef CONFIG_SYS_CLK_FREQ
#ifdef PCI_66M
#define CONFIG_SYS_CLK_FREQ 66000000
#else
#define CONFIG_SYS_CLK_FREQ 33000000
#endif
#endif
#define CONFIG_BOARD_EARLY_INIT_F /* call board_pre_init */
#define CFG_IMMRBAR 0xE0000000
#undef CFG_DRAM_TEST /* memory test, takes time */
#define CFG_MEMTEST_START 0x00000000 /* memtest region */
#define CFG_MEMTEST_END 0x00100000
/*
* DDR Setup
*/
#define CONFIG_DDR_ECC /* only for ECC DDR module */
#define CONFIG_DDR_ECC_CMD /* use DDR ECC user commands */
#define CONFIG_SPD_EEPROM /* use SPD EEPROM for DDR setup*/
/*
* 32-bit data path mode.
*
* Please note that using this mode for devices with the real density of 64-bit
* effectively reduces the amount of available memory due to the effect of
* wrapping around while translating address to row/columns, for example in the
* 256MB module the upper 128MB get aliased with contents of the lower
* 128MB); normally this define should be used for devices with real 32-bit
* data path.
*/
#undef CONFIG_DDR_32BIT
#define CFG_DDR_BASE 0x00000000 /* DDR is system memory*/
#define CFG_SDRAM_BASE CFG_DDR_BASE
#define CFG_DDR_SDRAM_BASE CFG_DDR_BASE
#undef CONFIG_DDR_2T_TIMING
#if defined(CONFIG_SPD_EEPROM)
/*
* Determine DDR configuration from I2C interface.
*/
#define SPD_EEPROM_ADDRESS 0x51 /* DDR DIMM */
#else
/*
* Manually set up DDR parameters
*/
#define CFG_DDR_SIZE 256 /* MB */
#define CFG_DDR_CONFIG (CSCONFIG_EN | CSCONFIG_ROW_BIT_13 | CSCONFIG_COL_BIT_10)
#define CFG_DDR_TIMING_1 0x36332321
#define CFG_DDR_TIMING_2 0x00000800 /* P9-45,may need tuning */
#define CFG_DDR_CONTROL 0xc2000000 /* unbuffered,no DYN_PWR */
#define CFG_DDR_INTERVAL 0x04060100 /* autocharge,no open page */
#if defined(CONFIG_DDR_32BIT)
/* set burst length to 8 for 32-bit data path */
#define CFG_DDR_MODE 0x00000023 /* DLL,normal,seq,4/2.5, 8 burst len */
#else
/* the default burst length is 4 - for 64-bit data path */
#define CFG_DDR_MODE 0x00000022 /* DLL,normal,seq,4/2.5, 4 burst len */
#endif
#endif
/*
* SDRAM on the Local Bus
*/
#define CFG_LBC_SDRAM_BASE 0xF0000000 /* Localbus SDRAM */
#define CFG_LBC_SDRAM_SIZE 64 /* LBC SDRAM is 64MB */
/*
* FLASH on the Local Bus
*/
#define CFG_FLASH_CFI /* use the Common Flash Interface */
#define CFG_FLASH_CFI_DRIVER /* use the CFI driver */
#define CFG_FLASH_BASE 0xFE000000 /* start of FLASH */
#define CFG_FLASH_SIZE 8 /* flash size in MB */
/* #define CFG_FLASH_USE_BUFFER_WRITE */
#define CFG_BR0_PRELIM (CFG_FLASH_BASE | /* flash Base address */ \
(2 << BR_PS_SHIFT) | /* 32 bit port size */ \
BR_V) /* valid */
#define CFG_OR0_PRELIM 0xFF806FF7 /* 8 MB flash size */
#define CFG_LBLAWBAR0_PRELIM CFG_FLASH_BASE /* window base at flash base */
#define CFG_LBLAWAR0_PRELIM 0x80000016 /* 8 MB window size */
#define CFG_MAX_FLASH_BANKS 1 /* number of banks */
#define CFG_MAX_FLASH_SECT 64 /* sectors per device */
#undef CFG_FLASH_CHECKSUM
#define CFG_FLASH_ERASE_TOUT 60000 /* Flash Erase Timeout (ms) */
#define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (ms) */
#define CFG_MID_FLASH_JUMP 0x7F000000
#define CFG_MONITOR_BASE TEXT_BASE /* start of monitor */
#if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
#define CFG_RAMBOOT
#else
#undef CFG_RAMBOOT
#endif
/*
* BCSR register on local bus 32KB, 8-bit wide for MDS config reg
*/
#define CFG_BCSR 0xF8000000
#define CFG_LBLAWBAR1_PRELIM CFG_BCSR /* Access window base at BCSR base */
#define CFG_LBLAWAR1_PRELIM 0x8000000E /* Access window size 32K */
#define CFG_BR1_PRELIM (CFG_BCSR|0x00000801) /* Port-size=8bit, MSEL=GPCM */
#define CFG_OR1_PRELIM 0xFFFFE8F0 /* length 32K */
#define CONFIG_L1_INIT_RAM
#define CFG_INIT_RAM_LOCK 1
#define CFG_INIT_RAM_ADDR 0xE8000000 /* Initial RAM address */
#define CFG_INIT_RAM_END 0x1000 /* End of used area in RAM*/
#define CFG_GBL_DATA_SIZE 0x100 /* num bytes initial data */
#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
#define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Mon */
#define CFG_MALLOC_LEN (128 * 1024) /* Reserved for malloc */
/*
* Local Bus LCRR and LBCR regs
* LCRR: DLL bypass, Clock divider is 4
* External Local Bus rate is
* CLKIN * HRCWL_CSB_TO_CLKIN / HRCWL_LCL_BUS_TO_SCB_CLK / LCRR_CLKDIV
*/
#define CFG_LCRR (LCRR_DBYP | LCRR_CLKDIV_4)
#define CFG_LBC_LBCR 0x00000000
#define CFG_LB_SDRAM /* if board has SRDAM on local bus */
#ifdef CFG_LB_SDRAM
/* Local bus BR2, OR2 definition for SDRAM if soldered on the MDS board */
/*
* Base Register 2 and Option Register 2 configure SDRAM.
* The SDRAM base address, CFG_LBC_SDRAM_BASE, is 0xf0000000.
*
* For BR2, need:
* Base address of 0xf0000000 = BR[0:16] = 1111 0000 0000 0000 0
* port-size = 32-bits = BR2[19:20] = 11
* no parity checking = BR2[21:22] = 00
* SDRAM for MSEL = BR2[24:26] = 011
* Valid = BR[31] = 1
*
* 0 4 8 12 16 20 24 28
* 1111 0000 0000 0000 0001 1000 0110 0001 = F0001861
*
* FIXME: CFG_LBC_SDRAM_BASE should be masked and OR'ed into
* FIXME: the top 17 bits of BR2.
*/
#define CFG_BR2_PRELIM 0xF0001861 /* Port-size=32bit, MSEL=SDRAM */
#define CFG_LBLAWBAR2_PRELIM 0xF0000000
#define CFG_LBLAWAR2_PRELIM 0x80000019 /* 64M */
/*
* The SDRAM size in MB, CFG_LBC_SDRAM_SIZE, is 64.
*
* For OR2, need:
* 64MB mask for AM, OR2[0:7] = 1111 1100
* XAM, OR2[17:18] = 11
* 9 columns OR2[19-21] = 010
* 13 rows OR2[23-25] = 100
* EAD set for extra time OR[31] = 1
*
* 0 4 8 12 16 20 24 28
* 1111 1100 0000 0000 0110 1001 0000 0001 = FC006901
*/
#define CFG_OR2_PRELIM 0xFC006901
#define CFG_LBC_LSRT 0x32000000 /* LB sdram refresh timer, about 6us */
#define CFG_LBC_MRTPR 0x20000000 /* LB refresh timer prescal, 266MHz/32 */
/*
* LSDMR masks
*/
#define CFG_LBC_LSDMR_RFEN (1 << (31 - 1))
#define CFG_LBC_LSDMR_BSMA1516 (3 << (31 - 10))
#define CFG_LBC_LSDMR_BSMA1617 (4 << (31 - 10))
#define CFG_LBC_LSDMR_RFCR5 (3 << (31 - 16))
#define CFG_LBC_LSDMR_RFCR8 (5 << (31 - 16))
#define CFG_LBC_LSDMR_RFCR16 (7 << (31 - 16))
#define CFG_LBC_LSDMR_PRETOACT3 (3 << (31 - 19))
#define CFG_LBC_LSDMR_PRETOACT6 (5 << (31 - 19))
#define CFG_LBC_LSDMR_PRETOACT7 (7 << (31 - 19))
#define CFG_LBC_LSDMR_ACTTORW3 (3 << (31 - 22))
#define CFG_LBC_LSDMR_ACTTORW7 (7 << (31 - 22))
#define CFG_LBC_LSDMR_ACTTORW6 (6 << (31 - 22))
#define CFG_LBC_LSDMR_BL8 (1 << (31 - 23))
#define CFG_LBC_LSDMR_WRC2 (2 << (31 - 27))
#define CFG_LBC_LSDMR_WRC3 (3 << (31 - 27))
#define CFG_LBC_LSDMR_WRC4 (0 << (31 - 27))
#define CFG_LBC_LSDMR_BUFCMD (1 << (31 - 29))
#define CFG_LBC_LSDMR_CL3 (3 << (31 - 31))
#define CFG_LBC_LSDMR_OP_NORMAL (0 << (31 - 4))
#define CFG_LBC_LSDMR_OP_ARFRSH (1 << (31 - 4))
#define CFG_LBC_LSDMR_OP_SRFRSH (2 << (31 - 4))
#define CFG_LBC_LSDMR_OP_MRW (3 << (31 - 4))
#define CFG_LBC_LSDMR_OP_PRECH (4 << (31 - 4))
#define CFG_LBC_LSDMR_OP_PCHALL (5 << (31 - 4))
#define CFG_LBC_LSDMR_OP_ACTBNK (6 << (31 - 4))
#define CFG_LBC_LSDMR_OP_RWINV (7 << (31 - 4))
#define CFG_LBC_LSDMR_COMMON ( CFG_LBC_LSDMR_RFEN \
| CFG_LBC_LSDMR_BSMA1516 \
| CFG_LBC_LSDMR_RFCR8 \
| CFG_LBC_LSDMR_PRETOACT6 \
| CFG_LBC_LSDMR_ACTTORW3 \
| CFG_LBC_LSDMR_BL8 \
| CFG_LBC_LSDMR_WRC3 \
| CFG_LBC_LSDMR_CL3 \
)
/*
* SDRAM Controller configuration sequence.
*/
#define CFG_LBC_LSDMR_1 ( CFG_LBC_LSDMR_COMMON \
| CFG_LBC_LSDMR_OP_PCHALL)
#define CFG_LBC_LSDMR_2 ( CFG_LBC_LSDMR_COMMON \
| CFG_LBC_LSDMR_OP_ARFRSH)
#define CFG_LBC_LSDMR_3 ( CFG_LBC_LSDMR_COMMON \
| CFG_LBC_LSDMR_OP_ARFRSH)
#define CFG_LBC_LSDMR_4 ( CFG_LBC_LSDMR_COMMON \
| CFG_LBC_LSDMR_OP_MRW)
#define CFG_LBC_LSDMR_5 ( CFG_LBC_LSDMR_COMMON \
| CFG_LBC_LSDMR_OP_NORMAL)
#endif
/*
* Serial Port
*/
#define CONFIG_CONS_INDEX 1
#undef CONFIG_SERIAL_SOFTWARE_FIFO
#define CFG_NS16550
#define CFG_NS16550_SERIAL
#define CFG_NS16550_REG_SIZE 1
#define CFG_NS16550_CLK get_bus_freq(0)
#define CFG_BAUDRATE_TABLE \
{300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}
#define CFG_NS16550_COM1 (CFG_IMMRBAR+0x4500)
#define CFG_NS16550_COM2 (CFG_IMMRBAR+0x4600)
/* Use the HUSH parser */
#define CFG_HUSH_PARSER
#ifdef CFG_HUSH_PARSER
#define CFG_PROMPT_HUSH_PS2 "> "
#endif
/* I2C */
#define CONFIG_HARD_I2C /* I2C with hardware support*/
#undef CONFIG_SOFT_I2C /* I2C bit-banged */
#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
#define CFG_I2C_SLAVE 0x7F
#define CFG_I2C_NOPROBES {0x69} /* Don't probe these addrs */
#define CFG_I2C_OFFSET 0x3000
#define CFG_I2C2_OFFSET 0x3100
/* TSEC */
#define CFG_TSEC1_OFFSET 0x24000
#define CFG_TSEC1 (CFG_IMMRBAR+CFG_TSEC1_OFFSET)
#define CFG_TSEC2_OFFSET 0x25000
#define CFG_TSEC2 (CFG_IMMRBAR+CFG_TSEC2_OFFSET)
/* IO Configuration */
#define CFG_IO_CONF (\
IO_CONF_UART |\
IO_CONF_TSEC1 |\
IO_CONF_IRQ0 |\
IO_CONF_IRQ1 |\
IO_CONF_IRQ2 |\
IO_CONF_IRQ3 |\
IO_CONF_IRQ4 |\
IO_CONF_IRQ5 |\
IO_CONF_IRQ6 |\
IO_CONF_IRQ7 )
/*
* General PCI
* Addresses are mapped 1-1.
*/
#define CFG_PCI1_MEM_BASE 0x80000000
#define CFG_PCI1_MEM_PHYS CFG_PCI1_MEM_BASE
#define CFG_PCI1_MEM_SIZE 0x20000000 /* 512M */
#define CFG_PCI1_IO_BASE 0x00000000
#define CFG_PCI1_IO_PHYS 0xe2000000
#define CFG_PCI1_IO_SIZE 0x1000000 /* 16M */
#define CFG_PCI2_MEM_BASE 0xA0000000
#define CFG_PCI2_MEM_PHYS CFG_PCI2_MEM_BASE
#define CFG_PCI2_MEM_SIZE 0x20000000 /* 512M */
#define CFG_PCI2_IO_BASE 0x00000000
#define CFG_PCI2_IO_PHYS 0xe3000000
#define CFG_PCI2_IO_SIZE 0x1000000 /* 16M */
#if defined(CONFIG_PCI)
#define PCI_ALL_PCI1
#if defined(PCI_64BIT)
#undef PCI_ALL_PCI1
#undef PCI_TWO_PCI1
#undef PCI_ONE_PCI1
#endif
#define CONFIG_NET_MULTI
#define CONFIG_PCI_PNP /* do pci plug-and-play */
#undef CONFIG_EEPRO100
#undef CONFIG_TULIP
#if !defined(CONFIG_PCI_PNP)
#define PCI_ENET0_IOADDR 0xFIXME
#define PCI_ENET0_MEMADDR 0xFIXME
#define PCI_IDSEL_NUMBER 0x0c /* slot0->3(IDSEL)=12->15 */
#endif
#undef CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */
#define CFG_PCI_SUBSYS_VENDORID 0x1057 /* Motorola */
#endif /* CONFIG_PCI */
/*
* TSEC configuration
*/
#define CONFIG_TSEC_ENET /* TSEC ethernet support */
#if defined(CONFIG_TSEC_ENET)
#ifndef CONFIG_NET_MULTI
#define CONFIG_NET_MULTI 1
#endif
#define CONFIG_GMII 1 /* MII PHY management */
#define CONFIG_MPC83XX_TSEC1 1
#define CONFIG_MPC83XX_TSEC1_NAME "TSEC0"
#define CONFIG_MPC83XX_TSEC2 1
#define CONFIG_MPC83XX_TSEC2_NAME "TSEC1"
#define TSEC1_PHY_ADDR 0
#define TSEC2_PHY_ADDR 1
#define TSEC1_PHYIDX 0
#define TSEC2_PHYIDX 0
/* Options are: TSEC[0-1] */
#define CONFIG_ETHPRIME "TSEC0"
#endif /* CONFIG_TSEC_ENET */
/*
* Configure on-board RTC
*/
#define CONFIG_RTC_DS1374 /* use ds1374 rtc via i2c */
#define CFG_I2C_RTC_ADDR 0x68 /* at address 0x68 */
/*
* Environment
*/
#ifndef CFG_RAMBOOT
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_ENV_ADDR (CFG_MONITOR_BASE + 0x40000)
#define CFG_ENV_SECT_SIZE 0x20000 /* 128K(one sector) for env */
#define CFG_ENV_SIZE 0x2000
/* Address and size of Redundant Environment Sector */
#define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR + CFG_ENV_SECT_SIZE)
#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
#else
#define CFG_NO_FLASH 1 /* Flash is not usable now */
#define CFG_ENV_IS_NOWHERE 1 /* Store ENV in memory only */
#define CFG_ENV_ADDR (CFG_MONITOR_BASE - 0x1000)
#define CFG_ENV_SIZE 0x2000
#endif
#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
#if defined(CFG_RAMBOOT)
#if defined(CONFIG_PCI)
#define CONFIG_COMMANDS ((CONFIG_CMD_DFL \
| CFG_CMD_PING \
| CFG_CMD_PCI \
| CFG_CMD_I2C \
| CFG_CMD_DATE) \
& \
~(CFG_CMD_ENV \
| CFG_CMD_LOADS))
#else
#define CONFIG_COMMANDS ((CONFIG_CMD_DFL \
| CFG_CMD_PING \
| CFG_CMD_I2C \
| CFG_CMD_DATE) \
& \
~(CFG_CMD_ENV \
| CFG_CMD_LOADS))
#endif
#else
#if defined(CONFIG_PCI)
#define CONFIG_COMMANDS (CONFIG_CMD_DFL \
| CFG_CMD_PCI \
| CFG_CMD_PING \
| CFG_CMD_I2C \
| CFG_CMD_DATE \
)
#else
#define CONFIG_COMMANDS (CONFIG_CMD_DFL \
| CFG_CMD_PING \
| CFG_CMD_I2C \
| CFG_CMD_MII \
| CFG_CMD_DATE \
)
#endif
#endif
#include <cmd_confdefs.h>
#undef CONFIG_WATCHDOG /* watchdog disabled */
/*
* Miscellaneous configurable options
*/
#define CFG_LONGHELP /* undef to save memory */
#define CFG_LOAD_ADDR 0x2000000 /* default load address */
#define CFG_PROMPT "=> " /* Monitor Command Prompt */
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
#else
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
#endif
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
#define CFG_MAXARGS 16 /* max number of command args */
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
#define CFG_HZ 1000 /* decrementer freq: 1ms ticks */
/*
* For booting Linux, the board info and command line data
* have to be in the first 8 MB of memory, since this is
* the maximum mapped by the Linux kernel during initialization.
*/
#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux*/
/* Cache Configuration */
#define CFG_DCACHE_SIZE 32768
#define CFG_CACHELINE_SIZE 32
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CFG_CACHELINE_SHIFT 5 /*log base 2 of the above value*/
#endif
#define CFG_RCWH_PCIHOST 0x80000000 /* PCIHOST */
#if 1 /*528/264*/
#define CFG_HRCW_LOW (\
HRCWL_LCL_BUS_TO_SCB_CLK_1X1 |\
HRCWL_DDR_TO_SCB_CLK_1X1 |\
HRCWL_CSB_TO_CLKIN_4X1 |\
HRCWL_VCO_1X2 |\
HRCWL_CORE_TO_CSB_2X1)
#elif 0 /*396/132*/
#define CFG_HRCW_LOW (\
HRCWL_LCL_BUS_TO_SCB_CLK_1X1 |\
HRCWL_DDR_TO_SCB_CLK_1X1 |\
HRCWL_CSB_TO_CLKIN_2X1 |\
HRCWL_VCO_1X4 |\
HRCWL_CORE_TO_CSB_3X1)
#elif 0 /*264/132*/
#define CFG_HRCW_LOW (\
HRCWL_LCL_BUS_TO_SCB_CLK_1X1 |\
HRCWL_DDR_TO_SCB_CLK_1X1 |\
HRCWL_CSB_TO_CLKIN_2X1 |\
HRCWL_VCO_1X4 |\
HRCWL_CORE_TO_CSB_2X1)
#elif 0 /*132/132*/
#define CFG_HRCW_LOW (\
HRCWL_LCL_BUS_TO_SCB_CLK_1X1 |\
HRCWL_DDR_TO_SCB_CLK_1X1 |\
HRCWL_CSB_TO_CLKIN_2X1 |\
HRCWL_VCO_1X4 |\
HRCWL_CORE_TO_CSB_1X1)
#elif 0 /*264/264 */
#define CFG_HRCW_LOW (\
HRCWL_LCL_BUS_TO_SCB_CLK_1X1 |\
HRCWL_DDR_TO_SCB_CLK_1X1 |\
HRCWL_CSB_TO_CLKIN_4X1 |\
HRCWL_VCO_1X4 |\
HRCWL_CORE_TO_CSB_1X1)
#endif
#if defined(PCI_64BIT)
#define CFG_HRCW_HIGH (\
HRCWH_PCI_HOST |\
HRCWH_64_BIT_PCI |\
HRCWH_PCI1_ARBITER_ENABLE |\
HRCWH_PCI2_ARBITER_DISABLE |\
HRCWH_CORE_ENABLE |\
HRCWH_FROM_0X00000100 |\
HRCWH_BOOTSEQ_DISABLE |\
HRCWH_SW_WATCHDOG_DISABLE |\
HRCWH_ROM_LOC_LOCAL_16BIT |\
HRCWH_TSEC1M_IN_GMII |\
HRCWH_TSEC2M_IN_GMII )
#else
#define CFG_HRCW_HIGH (\
HRCWH_PCI_HOST |\
HRCWH_32_BIT_PCI |\
HRCWH_PCI1_ARBITER_ENABLE |\
HRCWH_PCI2_ARBITER_ENABLE |\
HRCWH_CORE_ENABLE |\
HRCWH_FROM_0X00000100 |\
HRCWH_BOOTSEQ_DISABLE |\
HRCWH_SW_WATCHDOG_DISABLE |\
HRCWH_ROM_LOC_LOCAL_16BIT |\
HRCWH_TSEC1M_IN_GMII |\
HRCWH_TSEC2M_IN_GMII )
#endif
/* System IO Config */
#define CFG_SICRH SICRH_TSOBI1
#define CFG_SICRL SICRL_LDP_A
#define CFG_HID0_INIT 0x000000000
#define CFG_HID0_FINAL CFG_HID0_INIT
/* #define CFG_HID0_FINAL (\
HID0_ENABLE_INSTRUCTION_CACHE |\
HID0_ENABLE_M_BIT |\
HID0_ENABLE_ADDRESS_BROADCAST ) */
#define CFG_HID2 HID2_HBE
/* DDR @ 0x00000000 */
#define CFG_IBAT0L (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
#define CFG_IBAT0U (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
/* PCI @ 0x80000000 */
#ifdef CONFIG_PCI
#define CFG_IBAT1L (CFG_PCI1_MEM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
#define CFG_IBAT1U (CFG_PCI1_MEM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
#define CFG_IBAT2L (CFG_PCI1_MMIO_BASE | BATL_PP_10 | BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
#define CFG_IBAT2U (CFG_PCI1_MMIO_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
#else
#define CFG_IBAT1L (0)
#define CFG_IBAT1U (0)
#define CFG_IBAT2L (0)
#define CFG_IBAT2U (0)
#endif
/* IMMRBAR @ 0xE0000000 */
#define CFG_IBAT3L (CFG_IMMRBAR | BATL_PP_10 | BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
#define CFG_IBAT3U (CFG_IMMRBAR | BATU_BL_1M | BATU_VS | BATU_VP)
/* stack in DCACHE (no backing mem) @ 0xE8000000 */
#define CFG_IBAT4L (CFG_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE)
#define CFG_IBAT4U (CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
/* LBC SDRAM @ 0xF0000000 */
#define CFG_IBAT5L (CFG_LBC_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
#define CFG_IBAT5U (CFG_LBC_SDRAM_BASE | BATU_BL_64M | BATU_VS | BATU_VP)
/* BCSR @ 0xF8000000 */
#define CFG_IBAT6L (CFG_BCSR | BATL_PP_10 | BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
#define CFG_IBAT6U (CFG_BCSR | BATU_BL_128K | BATU_VS | BATU_VP)
/* FLASH @ 0xFE000000 */
#define CFG_IBAT7L (CFG_FLASH_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
#define CFG_IBAT7U (CFG_FLASH_BASE | BATU_BL_8M | BATU_VS | BATU_VP)
#define CFG_DBAT0L CFG_IBAT0L
#define CFG_DBAT0U CFG_IBAT0U
#define CFG_DBAT1L CFG_IBAT1L
#define CFG_DBAT1U CFG_IBAT1U
#define CFG_DBAT2L CFG_IBAT2L
#define CFG_DBAT2U CFG_IBAT2U
#define CFG_DBAT3L CFG_IBAT3L
#define CFG_DBAT3U CFG_IBAT3U
#define CFG_DBAT4L CFG_IBAT4L
#define CFG_DBAT4U CFG_IBAT4U
#define CFG_DBAT5L CFG_IBAT5L
#define CFG_DBAT5U CFG_IBAT5U
#define CFG_DBAT6L CFG_IBAT6L
#define CFG_DBAT6U CFG_IBAT6U
#define CFG_DBAT7L CFG_IBAT7L
#define CFG_DBAT7U CFG_IBAT7U
/*
* Internal Definitions
*
* Boot Flags
*/
#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
#define BOOTFLAG_WARM 0x02 /* Software reboot */
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CONFIG_KGDB_BAUDRATE 230400 /* speed of kgdb serial port */
#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
#endif
/*
* Environment Configuration
*/
#define CONFIG_ENV_OVERWRITE
#if defined(CONFIG_TSEC_ENET)
#define CONFIG_ETHADDR 00:04:9f:ef:23:33
#define CONFIG_HAS_ETH1
#define CONFIG_ETH1ADDR 00:E0:0C:00:7E:21
#endif
#define CONFIG_IPADDR 192.168.205.5
#define CONFIG_HOSTNAME mpc8349emds
#define CONFIG_ROOTPATH /opt/eldk/ppc_6xx
#define CONFIG_BOOTFILE /tftpboot/tqm83xx/uImage
#define CONFIG_SERVERIP 192.168.1.1
#define CONFIG_GATEWAYIP 192.168.1.1
#define CONFIG_NETMASK 255.255.255.0
#define CONFIG_LOADADDR 200000 /* default location for tftp and bootm */
#define CONFIG_BOOTDELAY 6 /* -1 disables auto-boot */
#undef CONFIG_BOOTARGS /* the boot command will set bootargs */
#define CONFIG_BAUDRATE 115200
#define CONFIG_PREBOOT "echo;" \
"echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
"echo"
#define CONFIG_EXTRA_ENV_SETTINGS \
"netdev=eth0\0" \
"hostname=mpc8349emds\0" \
"nfsargs=setenv bootargs root=/dev/nfs rw " \
"nfsroot=${serverip}:${rootpath}\0" \
"ramargs=setenv bootargs root=/dev/ram rw\0" \
"addip=setenv bootargs ${bootargs} " \
"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
":${hostname}:${netdev}:off panic=1\0" \
"addtty=setenv bootargs ${bootargs} console=ttyS0,${baudrate}\0"\
"flash_nfs=run nfsargs addip addtty;" \
"bootm ${kernel_addr}\0" \
"flash_self=run ramargs addip addtty;" \
"bootm ${kernel_addr} ${ramdisk_addr}\0" \
"net_nfs=tftp 200000 ${bootfile};run nfsargs addip addtty;" \
"bootm\0" \
"rootpath=/opt/eldk/ppc_6xx\0" \
"bootfile=/tftpboot/mpc8349emds/uImage\0" \
"load=tftp 100000 /tftpboot/mpc8349emds/u-boot.bin\0" \
"update=protect off fe000000 fe03ffff; " \
"era fe000000 fe03ffff; cp.b 100000 fe000000 ${filesize}\0" \
"upd=run load;run update\0" \
""
#define CONFIG_BOOTCOMMAND "run flash_self"
#endif /* __CONFIG_H */

2
include/spd_sdram.h
View File

@ -1,6 +1,6 @@
#ifndef _SPD_SDRAM_H_
#define _SPD_SDRAM_H_
long int spd_sdram(int(read_spd)(uint addr));
long int spd_sdram(void);
#endif

2
rtc/Makefile
View File

@ -29,7 +29,7 @@ LIB = librtc.a
OBJS = date.o \
bf533_rtc.o ds12887.o ds1302.o ds1306.o ds1307.o \
ds1337.o ds1556.o ds164x.o ds174x.o \
ds1337.o ds1374.o ds1556.o ds164x.o ds174x.o \
m41t11.o max6900.o m48t35ax.o mc146818.o mk48t59.o \
mpc5xxx.o mpc8xx.o pcf8563.o s3c24x0_rtc.o rs5c372.o

253
rtc/ds1374.c Normal file
View File

@ -0,0 +1,253 @@
/*
* (C) Copyright 2001, 2002, 2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
* Keith Outwater, keith_outwater@mvis.com`
* Steven Scholz, steven.scholz@imc-berlin.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
*/
/*
* Date & Time support (no alarms) for Dallas Semiconductor (now Maxim)
* DS1374 Real Time Clock (RTC).
*
* based on ds1337.c
*/
#include <common.h>
#include <command.h>
#include <rtc.h>
#include <i2c.h>
#if (defined(CONFIG_RTC_DS1374)) && (CONFIG_COMMANDS & CFG_CMD_DATE)
/*---------------------------------------------------------------------*/
#undef DEBUG_RTC
#define DEBUG_RTC
#ifdef DEBUG_RTC
#define DEBUGR(fmt,args...) printf(fmt ,##args)
#else
#define DEBUGR(fmt,args...)
#endif
/*---------------------------------------------------------------------*/
#ifndef CFG_I2C_RTC_ADDR
# define CFG_I2C_RTC_ADDR 0x68
#endif
#if defined(CONFIG_RTC_DS1374) && (CFG_I2C_SPEED > 400000)
# error The DS1374 is specified up to 400kHz in fast mode!
#endif
/*
* RTC register addresses
*/
#define RTC_TOD_CNT_BYTE0_ADDR 0x00 /* TimeOfDay */
#define RTC_TOD_CNT_BYTE1_ADDR 0x01
#define RTC_TOD_CNT_BYTE2_ADDR 0x02
#define RTC_TOD_CNT_BYTE3_ADDR 0x03
#define RTC_WD_ALM_CNT_BYTE0_ADDR 0x04
#define RTC_WD_ALM_CNT_BYTE1_ADDR 0x05
#define RTC_WD_ALM_CNT_BYTE2_ADDR 0x06
#define RTC_CTL_ADDR 0x07 /* RTC-CoNTrol-register */
#define RTC_SR_ADDR 0x08 /* RTC-StatusRegister */
#define RTC_TCS_DS_ADDR 0x09 /* RTC-TrickleChargeSelect DiodeSelect-register */
#define RTC_CTL_BIT_AIE (1<<0) /* Bit 0 - Alarm Interrupt enable */
#define RTC_CTL_BIT_RS1 (1<<1) /* Bit 1/2 - Rate Select square wave output */
#define RTC_CTL_BIT_RS2 (1<<2) /* Bit 2/2 - Rate Select square wave output */
#define RTC_CTL_BIT_WDSTR (1<<3) /* Bit 3 - Watchdog Reset Steering */
#define RTC_CTL_BIT_BBSQW (1<<4) /* Bit 4 - Battery-Backed Square-Wave */
#define RTC_CTL_BIT_WD_ALM (1<<5) /* Bit 5 - Watchdoc/Alarm Counter Select */
#define RTC_CTL_BIT_WACE (1<<6) /* Bit 6 - Watchdog/Alarm Counter Enable WACE*/
#define RTC_CTL_BIT_EN_OSC (1<<7) /* Bit 7 - Enable Oscilator */
#define RTC_SR_BIT_AF 0x01 /* Bit 0 = Alarm Flag */
#define RTC_SR_BIT_OSF 0x80 /* Bit 7 - Osc Stop Flag */
typedef unsigned char boolean_t;
#ifndef TRUE
#define TRUE ((boolean_t)(0==0))
#endif
#ifndef FALSE
#define FALSE (!TRUE)
#endif
const char RtcTodAddr[] = {
RTC_TOD_CNT_BYTE0_ADDR,
RTC_TOD_CNT_BYTE1_ADDR,
RTC_TOD_CNT_BYTE2_ADDR,
RTC_TOD_CNT_BYTE3_ADDR
};
static uchar rtc_read (uchar reg);
static void rtc_write (uchar reg, uchar val, boolean_t set);
static void rtc_write_raw (uchar reg, uchar val);
/*
* Get the current time from the RTC
*/
void rtc_get (struct rtc_time *tm){
unsigned long time1, time2;
unsigned int limit;
unsigned char tmp;
unsigned int i;
/*
* Since the reads are being performed one byte at a time,
* there is a chance that a carry will occur during the read.
* To detect this, 2 reads are performed and compared.
*/
limit = 10;
do {
i = 4;
time1 = 0;
while (i--) {
tmp = rtc_read(RtcTodAddr[i]);
time1 = (time1 << 8) | (tmp & 0xff);
}
i = 4;
time2 = 0;
while (i--) {
tmp = rtc_read(RtcTodAddr[i]);
time2 = (time2 << 8) | (tmp & 0xff);
}
} while ((time1 != time2) && limit--);
if (time1 != time2) {
printf("can't get consistent time from rtc chip\n");
}
DEBUGR ("Get RTC s since 1.1.1970: %d\n", time1);
to_tm(time1, tm); /* To Gregorian Date */
if (rtc_read(RTC_SR_ADDR) & RTC_SR_BIT_OSF)
printf ("### Warning: RTC oscillator has stopped\n");
DEBUGR ("Get DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n",
tm->tm_year, tm->tm_mon, tm->tm_mday, tm->tm_wday,
tm->tm_hour, tm->tm_min, tm->tm_sec);
}
/*
* Set the RTC
*/
void rtc_set (struct rtc_time *tmp){
unsigned long time;
unsigned i;
DEBUGR ("Set DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n",
tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
if (tmp->tm_year < 1970 || tmp->tm_year > 2069)
printf("WARNING: year should be between 1970 and 2069!\n");
time = mktime(tmp->tm_year, tmp->tm_mon,
tmp->tm_mday, tmp->tm_hour,
tmp->tm_min, tmp->tm_sec);
DEBUGR ("Set RTC s since 1.1.1970: %d (0x%02x)\n", time, time);
/* write to RTC_TOD_CNT_BYTEn_ADDR */
for (i = 0; i <= 3; i++) {
rtc_write_raw(RtcTodAddr[i], (unsigned char)(time & 0xff));
time = time >> 8;
}
/* Start clock */
rtc_write(RTC_CTL_ADDR, RTC_CTL_BIT_EN_OSC, FALSE);
}
/*
* Reset the RTC. We setting the date back to 1970-01-01.
* We also enable the oscillator output on the SQW/OUT pin and program
* it for 32,768 Hz output. Note that according to the datasheet, turning
* on the square wave output increases the current drain on the backup
* battery to something between 480nA and 800nA.
*/
void rtc_reset (void){
struct rtc_time tmp;
/* clear status flags */
rtc_write (RTC_SR_ADDR, (RTC_SR_BIT_AF|RTC_SR_BIT_OSF), FALSE); /* clearing OSF and AF */
/* Initialise DS1374 oriented to MPC8349E-ADS */
rtc_write (RTC_CTL_ADDR, (RTC_CTL_BIT_EN_OSC
|RTC_CTL_BIT_WACE
|RTC_CTL_BIT_AIE), FALSE);/* start osc, disable WACE, clear AIE
- set to 0 */
rtc_write (RTC_CTL_ADDR, (RTC_CTL_BIT_WD_ALM
|RTC_CTL_BIT_WDSTR
|RTC_CTL_BIT_RS1
|RTC_CTL_BIT_RS2
|RTC_CTL_BIT_BBSQW), TRUE);/* disable WD/ALM, WDSTR set to INT-pin,
set BBSQW and SQW to 32k
- set to 1 */
tmp.tm_year = 1970;
tmp.tm_mon = 1;
tmp.tm_mday= 1;
tmp.tm_hour = 0;
tmp.tm_min = 0;
tmp.tm_sec = 0;
rtc_set(&tmp);
printf("RTC: %4d-%02d-%02d %2d:%02d:%02d UTC\n",
tmp.tm_year, tmp.tm_mon, tmp.tm_mday,
tmp.tm_hour, tmp.tm_min, tmp.tm_sec);
rtc_write(RTC_WD_ALM_CNT_BYTE2_ADDR,0xAC, TRUE);
rtc_write(RTC_WD_ALM_CNT_BYTE1_ADDR,0xDE, TRUE);
rtc_write(RTC_WD_ALM_CNT_BYTE2_ADDR,0xAD, TRUE);
}
/*
* Helper functions
*/
static uchar rtc_read (uchar reg)
{
return (i2c_reg_read (CFG_I2C_RTC_ADDR, reg));
}
static void rtc_write (uchar reg, uchar val, boolean_t set)
{
if (set == TRUE) {
val |= i2c_reg_read (CFG_I2C_RTC_ADDR, reg);
i2c_reg_write (CFG_I2C_RTC_ADDR, reg, val);
} else {
val = i2c_reg_read (CFG_I2C_RTC_ADDR, reg) & ~val;
i2c_reg_write (CFG_I2C_RTC_ADDR, reg, val);
}
}
static void rtc_write_raw (uchar reg, uchar val)
{
i2c_reg_write (CFG_I2C_RTC_ADDR, reg, val);
}
#endif /* (CONFIG_RTC_DS1374) && (CFG_COMMANDS & CFG_CMD_DATE) */