Commit c3ae126c authored by Wolfgang Denk's avatar Wolfgang Denk
Browse files

Merge branch 'master' of git://git.denx.de/u-boot-arm

parents 227ad917 98692271
......@@ -547,6 +547,10 @@ Daniel Gorsulowski <daniel.gorsulowski@esd.eu>
meesc ARM926EJS (AT91SAM9263 SoC)
Sedji Gaouaou<sedji.gaouaou@atmel.com>
at91sam9g10ek ARM926EJS (AT91SAM9G10 SoC)
at91sam9m10g45ek ARM926EJS (AT91SAM9G45 SoC)
Marius Grger <mag@sysgo.de>
impa7 ARM720T (EP7211)
......
......@@ -578,24 +578,26 @@ LIST_ARM_CORTEX_A8=" \
## AT91 Systems
#########################################################################
LIST_at91=" \
afeb9260 \
at91cap9adk \
at91rm9200dk \
at91rm9200ek \
at91sam9260ek \
at91sam9261ek \
at91sam9263ek \
at91sam9g20ek \
at91sam9rlek \
cmc_pu2 \
csb637 \
kb9202 \
meesc \
mp2usb \
m501sk \
pm9261 \
pm9263 \
LIST_at91=" \
afeb9260 \
at91cap9adk \
at91rm9200dk \
at91rm9200ek \
at91sam9260ek \
at91sam9261ek \
at91sam9263ek \
at91sam9g10ek \
at91sam9g20ek \
at91sam9m10g45ek \
at91sam9rlek \
cmc_pu2 \
csb637 \
kb9202 \
meesc \
mp2usb \
m501sk \
pm9261 \
pm9263 \
"
#########################################################################
......
......@@ -2743,12 +2743,22 @@ at91sam9xeek_config : unconfig
at91sam9261ek_nandflash_config \
at91sam9261ek_dataflash_cs0_config \
at91sam9261ek_dataflash_cs3_config \
at91sam9261ek_config : unconfig
@mkdir -p $(obj)include
at91sam9261ek_config \
at91sam9g10ek_nandflash_config \
at91sam9g10ek_dataflash_cs0_config \
at91sam9g10ek_dataflash_cs3_config \
at91sam9g10ek_config : unconfig
@mkdir -p $(obj)include
@if [ "$(findstring 9g10,$@)" ] ; then \
echo "#define CONFIG_AT91SAM9G10EK 1" >>$(obj)include/config.h ; \
$(XECHO) "... 9G10 Variant" ; \
else \
echo "#define CONFIG_AT91SAM9261EK 1" >>$(obj)include/config.h ; \
fi;
@if [ "$(findstring _nandflash,$@)" ] ; then \
echo "#define CONFIG_SYS_USE_NANDFLASH 1" >>$(obj)include/config.h ; \
$(XECHO) "... with environment variable in NAND FLASH" ; \
elif [ "$(findstring dataflash_cs3,$@)" ] ; then \
elif [ "$(findstring dataflash_cs0,$@)" ] ; then \
echo "#define CONFIG_SYS_USE_DATAFLASH_CS3 1" >>$(obj)include/config.h ; \
$(XECHO) "... with environment variable in SPI DATAFLASH CS3" ; \
else \
......@@ -2800,6 +2810,31 @@ meesc_config : unconfig
pm9261_config : unconfig
@$(MKCONFIG) $(@:_config=) arm arm926ejs pm9261 ronetix at91
at91sam9m10g45ek_nandflash_config \
at91sam9m10g45ek_dataflash_config \
at91sam9m10g45ek_dataflash_cs0_config \
at91sam9m10g45ek_config \
at91sam9g45ekes_nandflash_config \
at91sam9g45ekes_dataflash_config \
at91sam9g45ekes_dataflash_cs0_config \
at91sam9g45ekes_config : unconfig
@mkdir -p $(obj)include
@if [ "$(findstring 9m10,$@)" ] ; then \
echo "#define CONFIG_AT91SAM9M10G45EK 1" >>$(obj)include/config.h ; \
$(XECHO) "... 9M10G45 Variant" ; \
else \
echo "#define CONFIG_AT91SAM9G45EKES 1" >>$(obj)include/config.h ; \
fi;
@if [ "$(findstring _nandflash,$@)" ] ; then \
echo "#define CONFIG_SYS_USE_NANDFLASH 1" >>$(obj)include/config.h ; \
$(XECHO) "... with environment variable in NAND FLASH" ; \
else \
echo "#define CONFIG_ATMEL_SPI 1" >>$(obj)include/config.h ; \
$(XECHO) "... with environment variable in SPI DATAFLASH CS0" ; \
fi;
@$(MKCONFIG) -a at91sam9m10g45ek arm arm926ejs at91sam9m10g45ek atmel at91
pm9263_config : unconfig
@$(MKCONFIG) $(@:_config=) arm arm926ejs pm9263 ronetix at91
......
......@@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).a
COBJS := versatile.o flash.o
COBJS := versatile.o
SOBJS := lowlevel_init.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
......
/*
* (C) Copyright 2001
* Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
*
* (C) Copyright 2001-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2003
* Texas Instruments, <www.ti.com>
* Kshitij Gupta <Kshitij@ti.com>
*
* 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 <linux/byteorder/swab.h>
#define PHYS_FLASH_SECT_SIZE 0x00020000 /* 256 KB sectors (x2) */
flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
/* Board support for 1 or 2 flash devices */
#define FLASH_PORT_WIDTH32
#undef FLASH_PORT_WIDTH16
#ifdef FLASH_PORT_WIDTH16
#define FLASH_PORT_WIDTH ushort
#define FLASH_PORT_WIDTHV vu_short
#define SWAP(x) __swab16(x)
#else
#define FLASH_PORT_WIDTH ulong
#define FLASH_PORT_WIDTHV vu_long
#define SWAP(x) __swab32(x)
#endif
#define FPW FLASH_PORT_WIDTH
#define FPWV FLASH_PORT_WIDTHV
#define mb() __asm__ __volatile__ ("" : : : "memory")
/* Flash Organization Structure */
typedef struct OrgDef {
unsigned int sector_number;
unsigned int sector_size;
} OrgDef;
/* Flash Organizations */
OrgDef OrgIntel_28F256K3[] = {
{256, 128 * 1024}, /* 256 * 128kBytes sectors */
};
/*-----------------------------------------------------------------------
* Functions
*/
unsigned long flash_init (void);
static ulong flash_get_size (FPW * addr, flash_info_t * info);
static int write_data (flash_info_t * info, ulong dest, FPW data);
static void flash_get_offsets (ulong base, flash_info_t * info);
void inline spin_wheel (void);
void flash_print_info (flash_info_t * info);
void flash_unprotect_sectors (FPWV * addr);
int flash_erase (flash_info_t * info, int s_first, int s_last);
int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt);
/*-----------------------------------------------------------------------
*/
static void flash_vpp(int on)
{
unsigned int tmp;
tmp = *(unsigned int *)(VERSATILE_FLASHCTRL);
if (on)
tmp |= VERSATILE_FLASHPROG_FLVPPEN;
else
tmp &= ~VERSATILE_FLASHPROG_FLVPPEN;
*(unsigned int *)(VERSATILE_FLASHCTRL) = tmp;
}
unsigned long flash_init (void)
{
int i;
ulong size = 0;
for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) {
switch (i) {
case 0:
flash_vpp(1);
flash_get_size ((FPW *) PHYS_FLASH_1, &flash_info[i]);
flash_get_offsets (PHYS_FLASH_1, &flash_info[i]);
flash_vpp(0);
break;
default:
panic ("configured too many flash banks!\n");
break;
}
size += flash_info[i].size;
}
/* Protect monitor and environment sectors
*/
flash_protect (FLAG_PROTECT_SET,
CONFIG_SYS_FLASH_BASE,
CONFIG_SYS_FLASH_BASE + monitor_flash_len - 1, &flash_info[0]);
return size;
}
/*-----------------------------------------------------------------------
*/
static void flash_get_offsets (ulong base, flash_info_t * info)
{
int i;
OrgDef *pOrgDef;
pOrgDef = OrgIntel_28F256K3;
if (info->flash_id == FLASH_UNKNOWN) {
return;
}
if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
for (i = 0; i < info->sector_count; i++) {
if (i > 255) {
info->start[i] = base + (i * 0x8000);
info->protect[i] = 0;
} else {
info->start[i] = base +
(i * PHYS_FLASH_SECT_SIZE);
info->protect[i] = 0;
}
}
}
}
/*-----------------------------------------------------------------------
*/
void flash_print_info (flash_info_t * info)
{
int i;
if (info->flash_id == FLASH_UNKNOWN) {
printf ("missing or unknown FLASH type\n");
return;
}
switch (info->flash_id & FLASH_VENDMASK) {
case FLASH_MAN_INTEL:
printf ("INTEL ");
break;
default:
printf ("Unknown Vendor ");
break;
}
switch (info->flash_id & FLASH_TYPEMASK) {
case FLASH_28F256L18T:
printf ("FLASH 28F256L18T\n");
break;
case FLASH_28F256K3:
printf ("FLASH 28F256K3\n");
break;
default:
printf ("Unknown Chip Type\n");
break;
}
printf (" Size: %ld MB in %d Sectors\n",
info->size >> 20, info->sector_count);
printf (" Sector Start Addresses:");
for (i = 0; i < info->sector_count; ++i) {
if ((i % 5) == 0)
printf ("\n ");
printf (" %08lX%s",
info->start[i], info->protect[i] ? " (RO)" : " ");
}
printf ("\n");
return;
}
/*
* The following code cannot be run from FLASH!
*/
static ulong flash_get_size (FPW * addr, flash_info_t * info)
{
volatile FPW value;
/* Write auto select command: read Manufacturer ID */
addr[0x5555] = (FPW) 0x00AA00AA;
addr[0x2AAA] = (FPW) 0x00550055;
addr[0x5555] = (FPW) 0x00900090;
mb ();
value = addr[0];
switch (value) {
case (FPW) INTEL_MANUFACT:
info->flash_id = FLASH_MAN_INTEL;
break;
default:
info->flash_id = FLASH_UNKNOWN;
info->sector_count = 0;
info->size = 0;
addr[0] = (FPW) 0x00FF00FF; /* restore read mode */
return (0); /* no or unknown flash */
}
mb ();
value = addr[1]; /* device ID */
switch (value) {
case (FPW) (INTEL_ID_28F256L18T):
info->flash_id += FLASH_28F256L18T;
info->sector_count = 259;
info->size = 0x02000000;
break; /* => 32 MB */
case (FPW)(INTEL_ID_28F256K3):
info->flash_id += FLASH_28F256K3;
info->sector_count = 256;
info->size = 0x02000000;
break;
default:
info->flash_id = FLASH_UNKNOWN;
break;
}
if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) {
printf ("** ERROR: sector count %d > max (%d) **\n",
info->sector_count, CONFIG_SYS_MAX_FLASH_SECT);
info->sector_count = CONFIG_SYS_MAX_FLASH_SECT;
}
addr[0] = (FPW) 0x00FF00FF; /* restore read mode */
return (info->size);
}
/* unprotects a sector for write and erase
* on some intel parts, this unprotects the entire chip, but it
* wont hurt to call this additional times per sector...
*/
void flash_unprotect_sectors (FPWV * addr)
{
#define PD_FINTEL_WSMS_READY_MASK 0x0080
*addr = (FPW) 0x00500050; /* clear status register */
/* this sends the clear lock bit command */
*addr = (FPW) 0x00600060;
*addr = (FPW) 0x00D000D0;
}
/*-----------------------------------------------------------------------
*/
int flash_erase (flash_info_t * info, int s_first, int s_last)
{
int flag, prot, sect;
ulong type, start, last;
int rcode = 0;
if ((s_first < 0) || (s_first > s_last)) {
if (info->flash_id == FLASH_UNKNOWN) {
printf ("- missing\n");
} else {
printf ("- no sectors to erase\n");
}
return 1;
}
type = (info->flash_id & FLASH_VENDMASK);
if ((type != FLASH_MAN_INTEL)) {
printf ("Can't erase unknown flash type %08lx - aborted\n",
info->flash_id);
return 1;
}
prot = 0;
for (sect = s_first; sect <= s_last; ++sect) {
if (info->protect[sect]) {
prot++;
}
}
if (prot) {
printf ("- Warning: %d protected sectors will not be erased!\n",
prot);
} else {
printf ("\n");
}
flash_vpp(1);
start = get_timer (0);
last = start;
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts ();
/* Start erase on unprotected sectors */
for (sect = s_first; sect <= s_last; sect++) {
if (info->protect[sect] == 0) { /* not protected */
FPWV *addr = (FPWV *) (info->start[sect]);
FPW status;
printf ("Erasing sector %2d ... ", sect);
flash_unprotect_sectors (addr);
/* arm simple, non interrupt dependent timer */
reset_timer_masked ();
*addr = (FPW) 0x00500050;/* clear status register */
*addr = (FPW) 0x00200020;/* erase setup */
*addr = (FPW) 0x00D000D0;/* erase confirm */
while (((status =
*addr) & (FPW) 0x00800080) !=
(FPW) 0x00800080) {
if (get_timer_masked () >
CONFIG_SYS_FLASH_ERASE_TOUT) {
printf ("Timeout\n");
/* suspend erase */
*addr = (FPW) 0x00B000B0;
/* reset to read mode */
*addr = (FPW) 0x00FF00FF;
rcode = 1;
break;
}
}
/* clear status register cmd. */
*addr = (FPW) 0x00500050;
*addr = (FPW) 0x00FF00FF;/* resest to read mode */
printf (" done\n");
}
}
flash_vpp(0);
return rcode;
}
/*-----------------------------------------------------------------------
* Copy memory to flash, returns:
* 0 - OK
* 1 - write timeout
* 2 - Flash not erased
* 4 - Flash not identified
*/
int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
{
ulong cp, wp;
FPW data;
int count, i, l, rc, port_width;
if (info->flash_id == FLASH_UNKNOWN) {
return 4;
}
/* get lower word aligned address */
#ifdef FLASH_PORT_WIDTH16
wp = (addr & ~1);
port_width = 2;
#else
wp = (addr & ~3);
port_width = 4;
#endif
flash_vpp(1);
/*
* handle unaligned start bytes
*/
if ((l = addr - wp) != 0) {
data = 0;
for (i = 0, cp = wp; i < l; ++i, ++cp) {
data = (data << 8) | (*(uchar *) cp);
}
for (; i < port_width && cnt > 0; ++i) {
data = (data << 8) | *src++;
--cnt;
++cp;
}
for (; cnt == 0 && i < port_width; ++i, ++cp) {
data = (data << 8) | (*(uchar *) cp);
}
if ((rc = write_data (info, wp, SWAP (data))) != 0) {
flash_vpp(0);
return (rc);
}
wp += port_width;
}
/*
* handle word aligned part
*/
count = 0;
while (cnt >= port_width) {
data = 0;
for (i = 0; i < port_width; ++i) {
data = (data << 8) | *src++;
}
if ((rc = write_data (info, wp, SWAP (data))) != 0) {
flash_vpp(0);
return (rc);
}
wp += port_width;
cnt -= port_width;
if (count++ > 0x800) {
spin_wheel ();
count = 0;
}
}
if (cnt == 0) {
flash_vpp(0);
return (0);
}
/*
* handle unaligned tail bytes
*/
data = 0;
for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) {
data = (data << 8) | *src++;
--cnt;
}
for (; i < port_width; ++i, ++cp) {
data = (data << 8) | (*(uchar *) cp);
}
rc = write_data (info, wp, SWAP (data));
flash_vpp(0);
return rc;
}
/*-----------------------------------------------------------------------
* Write a word or halfword to Flash, returns:
* 0 - OK
* 1 - write timeout
* 2 - Flash not erased
*/
static int write_data (flash_info_t * info, ulong dest, FPW data)
{
FPWV *addr = (FPWV *) dest;
ulong status;
int flag;
/* Check if Flash is (sufficiently) erased */
if ((*addr & data) != data) {
printf ("not erased at %08lx (%lx)\n", (ulong) addr, (ulong) *addr);
return (2);
}
flash_vpp(1);
flash_unprotect_sectors (addr);
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts ();
*addr = (FPW) 0x00400040; /* write setup */
*addr = data;