First steps implementing NAND support. Not working, fails to read ID.

master
Markus Klotzbcher 19 years ago committed by Markus Klotzbcher
parent 0377dca227
commit 6949328d7d
  1. 5
      Makefile
  2. 2
      board/delta/Makefile
  3. 3
      board/delta/config.mk
  4. 2
      board/delta/delta.c
  5. 434
      board/delta/flash.c
  6. 306
      board/delta/nand.c
  7. 79
      include/asm-arm/arch-pxa/pxa-regs.h
  8. 70
      include/configs/delta.h
  9. 4
      lib_arm/board.c

@ -208,6 +208,9 @@ etags:
net disk rtc dtt drivers drivers/sk98lin common \
\( -name CVS -prune \) -o \( -name '*.[ch]' -print \)`
ctags:
ctags -Re
System.map: u-boot
@$(NM) $< | \
grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
@ -1874,7 +1877,7 @@ clobber: clean
-o -name '*.srec' -o -name '*.bin' -o -name u-boot.img \) \
-print0 \
| xargs -0 rm -f
rm -f $(OBJS) *.bak tags TAGS include/version_autogenerated.h
rm -f $(OBJS) *.bak tags include/version_autogenerated.h
rm -fr *.*~
rm -f u-boot u-boot.map u-boot.hex $(ALL)

@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk
LIB = lib$(BOARD).a
OBJS := delta.o flash.o
OBJS := delta.o nand.o
SOBJS := lowlevel_init.o
$(LIB): $(OBJS) $(SOBJS)

@ -4,3 +4,6 @@
#TEXT_BASE = 0x9ffe0000
TEXT_BASE = 0xa3008000
# Compile the new NAND code (needed iff #ifdef CONFIG_NEW_NAND_CODE)
BOARDLIBS = drivers/nand/libnand.a

@ -41,7 +41,7 @@ int board_init (void)
/* memory and cpu-speed are setup before relocation */
/* so we do _nothing_ here */
/* arch number of Lubbock-Board */
/* arch number of Lubbock-Board mk@tbd: fix this! */
gd->bd->bi_arch_number = MACH_TYPE_LUBBOCK;
/* adress of boot parameters */

@ -1,434 +0,0 @@
/*
* (C) Copyright 2001
* Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
*
* (C) Copyright 2001
* 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 <linux/byteorder/swab.h>
flash_info_t flash_info[CFG_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")
/*-----------------------------------------------------------------------
* Functions
*/
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);
/*-----------------------------------------------------------------------
*/
unsigned long flash_init (void)
{
#if 0
int i;
ulong size = 0;
for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
switch (i) {
case 0:
flash_get_size ((FPW *) PHYS_FLASH_1, &flash_info[i]);
flash_get_offsets (PHYS_FLASH_1, &flash_info[i]);
break;
case 1:
flash_get_size ((FPW *) PHYS_FLASH_2, &flash_info[i]);
flash_get_offsets (PHYS_FLASH_2, &flash_info[i]);
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,
CFG_FLASH_BASE,
CFG_FLASH_BASE + monitor_flash_len - 1,
&flash_info[0] );
flash_protect ( FLAG_PROTECT_SET,
CFG_ENV_ADDR,
CFG_ENV_ADDR + CFG_ENV_SIZE - 1, &flash_info[0] );
return size;
#endif
return 0;
}
/*-----------------------------------------------------------------------
*/
static void flash_get_offsets (ulong base, flash_info_t *info)
{
int i;
if (info->flash_id == FLASH_UNKNOWN) {
return;
}
if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
for (i = 0; i < info->sector_count; i++) {
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_28F128J3A:
printf ("28F128J3A\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_28F128J3A:
info->flash_id += FLASH_28F128J3A;
info->sector_count = 128;
info->size = 0x02000000;
break; /* => 16 MB */
default:
info->flash_id = FLASH_UNKNOWN;
break;
}
if (info->sector_count > CFG_MAX_FLASH_SECT) {
printf ("** ERROR: sector count %d > max (%d) **\n",
info->sector_count, CFG_MAX_FLASH_SECT);
info->sector_count = CFG_MAX_FLASH_SECT;
}
addr[0] = (FPW) 0x00FF00FF; /* restore read mode */
return (info->size);
}
/*-----------------------------------------------------------------------
*/
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");
}
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);
/* 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 () > CFG_FLASH_ERASE_TOUT) {
printf ("Timeout\n");
*addr = (FPW) 0x00B000B0; /* suspend erase */
*addr = (FPW) 0x00FF00FF; /* reset to read mode */
rcode = 1;
break;
}
}
*addr = 0x00500050; /* clear status register cmd. */
*addr = 0x00FF00FF; /* resest to read mode */
printf (" done\n");
}
}
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
/*
* 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) {
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) {
return (rc);
}
wp += port_width;
cnt -= port_width;
if (count++ > 0x800) {
spin_wheel ();
count = 0;
}
}
if (cnt == 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);
}
return (write_data (info, wp, SWAP (data)));
}
/*-----------------------------------------------------------------------
* 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, *addr);
return (2);
}
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts ();
*addr = (FPW) 0x00400040; /* write setup */
*addr = data;
/* arm simple, non interrupt dependent timer */
reset_timer_masked ();
/* wait while polling the status register */
while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
if (get_timer_masked () > CFG_FLASH_WRITE_TOUT) {
*addr = (FPW) 0x00FF00FF; /* restore read mode */
return (1);
}
}
*addr = (FPW) 0x00FF00FF; /* restore read mode */
return (0);
}
void inline spin_wheel (void)
{
static int p = 0;
static char w[] = "\\/-";
printf ("\010%c", w[p]);
(++p == 3) ? (p = 0) : 0;
}

@ -0,0 +1,306 @@
/*
* (C) Copyright 2006 DENX Software Engineering
*
* 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>
#if (CONFIG_COMMANDS & CFG_CMD_NAND)
#ifdef CONFIG_NEW_NAND_CODE
#include <nand.h>
#include <asm/arch/pxa-regs.h>
/*
* hardware specific access to control-lines
* function borrowed from Linux 2.6 (drivers/mtd/nand/ppchameleonevb.c)
*/
static void delta_hwcontrol(struct mtd_info *mtdinfo, int cmd)
{
#if 0
struct nand_chip *this = mtdinfo->priv;
ulong base = (ulong) this->IO_ADDR_W;
switch(cmd) {
case NAND_CTL_SETCLE:
MACRO_NAND_CTL_SETCLE((unsigned long)base);
break;
case NAND_CTL_CLRCLE:
MACRO_NAND_CTL_CLRCLE((unsigned long)base);
break;
case NAND_CTL_SETALE:
MACRO_NAND_CTL_SETALE((unsigned long)base);
break;
case NAND_CTL_CLRALE:
MACRO_NAND_CTL_CLRALE((unsigned long)base);
break;
case NAND_CTL_SETNCE:
MACRO_NAND_ENABLE_CE((unsigned long)base);
break;
case NAND_CTL_CLRNCE:
MACRO_NAND_DISABLE_CE((unsigned long)base);
break;
}
#endif
}
/* read device ready pin */
static int delta_device_ready(struct mtd_info *mtdinfo)
{
if(NDSR & NDSR_RDY)
return 1;
else
return 0;
#if 0
struct nand_chip *this = mtdinfo->priv;
ulong rb_gpio_pin;
/* use the base addr to find out which chip are we dealing with */
switch((ulong) this->IO_ADDR_W) {
case CFG_NAND0_BASE:
rb_gpio_pin = CFG_NAND0_RDY;
break;
case CFG_NAND1_BASE:
rb_gpio_pin = CFG_NAND1_RDY;
break;
default: /* this should never happen */
return 0;
break;
}
if (in32(GPIO0_IR) & rb_gpio_pin)
return 1;
#endif
return 0;
}
static u_char delta_read_byte(struct mtd_info *mtd)
{
/* struct nand_chip *this = mtd->priv; */
unsigned long tmp;
/* wait for read request */
while(1) {
if(NDSR & NDSR_RDDREQ) {
NDSR |= NDSR_RDDREQ;
break;
}
}
tmp = NDDB;
printk("delta_read_byte: 0x%x.\n", tmp);
return (u_char) tmp;
}
/* this is really monahans, not board specific ... */
static void delta_cmdfunc(struct mtd_info *mtd, unsigned command,
int column, int page_addr)
{
/* register struct nand_chip *this = mtd->priv; */
unsigned long ndcb0=0, ndcb1=0, ndcb2=0;
uchar command2;
/* Clear NDSR */
NDSR = 0xFFF;
/* apparently NDCR[NDRUN] needs to be set before writing to NDCBx */
NDCR |= NDCR_ND_RUN;
/* wait for write command request
* hmm, might be nice if this could time-out. mk@tbd
*/
while(1) {
if(NDSR & NDSR_WRCMDREQ) {
NDSR |= NDSR_WRCMDREQ; /* Ack */
break;
}
}
/* if command is a double byte cmd, we set bit double cmd bit 19 */
command2 = (command>>8) & 0xFF;
ndcb0 = command | ((command2 ? 1 : 0) << 19);
switch (command) {
case NAND_CMD_READID:
printk("delta_cmdfunc: NAND_CMD_READID.\n");
ndcb0 |= ((3 << 21) | (2 << 16));
break;
case NAND_CMD_PAGEPROG:
case NAND_CMD_ERASE1:
case NAND_CMD_ERASE2:
case NAND_CMD_SEQIN:
case NAND_CMD_STATUS:
return;
case NAND_CMD_RESET:
return;
default:
printk("delta_cmdfunc: error, unkown command issued.\n");
return;
}
NDCB0 = ndcb0;
NDCB1 = ndcb1;
NDCB2 = ndcb2;
}
/*
* Board-specific NAND initialization. The following members of the
* argument are board-specific (per include/linux/mtd/nand_new.h):
* - IO_ADDR_R?: address to read the 8 I/O lines of the flash device
* - IO_ADDR_W?: address to write the 8 I/O lines of the flash device
* - hwcontrol: hardwarespecific function for accesing control-lines
* - dev_ready: hardwarespecific function for accesing device ready/busy line
* - enable_hwecc?: function to enable (reset) hardware ecc generator. Must
* only be provided if a hardware ECC is available
* - eccmode: mode of ecc, see defines
* - chip_delay: chip dependent delay for transfering data from array to
* read regs (tR)
* - options: various chip options. They can partly be set to inform
* nand_scan about special functionality. See the defines for further
* explanation
* Members with a "?" were not set in the merged testing-NAND branch,
* so they are not set here either.
*/
void board_nand_init(struct nand_chip *nand)
{
unsigned long tCH, tCS, tWH, tWP, tRH, tRP, tRP_high, tR, tWHR, tAR;
/* set up GPIO Control Registers */
/* turn on the NAND Controller Clock (104 MHz @ D0) */
CKENA |= (CKENA_4_NAND | CKENA_9_SMC);
/* NAND Timing Parameters (in ns) */
#define NAND_TIMING_tCH 10
#define NAND_TIMING_tCS 0
#define NAND_TIMING_tWH 20
#define NAND_TIMING_tWP 40
#define NAND_TIMING_tRH 20
#define NAND_TIMING_tRP 40
#define NAND_TIMING_tR 11123
#define NAND_TIMING_tWHR 110
#define NAND_TIMING_tAR 10
/* Maximum values for NAND Interface Timing Registers in DFC clock
* periods */
#define DFC_MAX_tCH 7
#define DFC_MAX_tCS 7
#define DFC_MAX_tWH 7
#define DFC_MAX_tWP 7
#define DFC_MAX_tRH 7
#define DFC_MAX_tRP 15
#define DFC_MAX_tR 65535
#define DFC_MAX_tWHR 15
#define DFC_MAX_tAR 15
#define DFC_CLOCK 104 /* DFC Clock is 104 MHz */
#define DFC_CLK_PER_US DFC_CLOCK/1000 /* clock period in ns */
#define MIN(x, y) ((x < y) ? x : y)
tCH = MIN(((unsigned long) (NAND_TIMING_tCH * DFC_CLK_PER_US) + 1),
DFC_MAX_tCH);
tCS = MIN(((unsigned long) (NAND_TIMING_tCS * DFC_CLK_PER_US) + 1),
DFC_MAX_tCS);
tWH = MIN(((unsigned long) (NAND_TIMING_tWH * DFC_CLK_PER_US) + 1),
DFC_MAX_tWH);
tWP = MIN(((unsigned long) (NAND_TIMING_tWP * DFC_CLK_PER_US) + 1),
DFC_MAX_tWP);
tRH = MIN(((unsigned long) (NAND_TIMING_tRH * DFC_CLK_PER_US) + 1),
DFC_MAX_tRH);
tRP = MIN(((unsigned long) (NAND_TIMING_tRP * DFC_CLK_PER_US) + 1),
DFC_MAX_tRP);
tR = MIN(((unsigned long) (NAND_TIMING_tR * DFC_CLK_PER_US) + 1),
DFC_MAX_tR);
tWHR = MIN(((unsigned long) (NAND_TIMING_tWHR * DFC_CLK_PER_US) + 1),
DFC_MAX_tWHR);
tAR = MIN(((unsigned long) (NAND_TIMING_tAR * DFC_CLK_PER_US) + 1),
DFC_MAX_tAR);
/* tRP value is split in the register */
if(tRP & (1 << 4)) {
tRP_high = 1;
tRP &= ~(1 << 4);
} else {
tRP_high = 0;
}
NDTR0CS0 = (tCH << 19) |
(tCS << 16) |
(tWH << 11) |
(tWP << 8) |
(tRP_high << 6) |
(tRH << 3) |
(tRP << 0);
NDTR1CS0 = (tR << 16) |
(tWHR << 4) |
(tAR << 0);
/* If it doesn't work (unlikely) think about:
* - ecc enable
* - chip select don't care
* - read id byte count
*
* Intentionally enabled by not setting bits:
* - dma (DMA_EN)
* - page size = 512
* - cs don't care, see if we can enable later!
* - row address start position (after second cycle)
* - pages per block = 32
*/
NDCR = (NDCR_ND_ARB_EN | /* enable bus arbiter */
NDCR_SPARE_EN | /* use the spare area */
NDCR_DWIDTH_C | /* 16bit DFC data bus width */
NDCR_DWIDTH_M | /* 16 bit Flash device data bus width */
(2 << 16) | /* read id count = 7 ???? mk@tbd */
NDCE_RDYM | /* flash device ready ir masked */
NDCE_CS0_PAGEDM | /* ND_nCSx page done ir masked */
NDCE_CS1_PAGEDM |
NDCE_CS0_CMDDM | /* ND_CSx command done ir masked */
NDCE_CS1_CMDDM |
NDCE_CS0_BBDM | /* ND_CSx bad block detect ir masked */
NDCE_CS1_BBDM |
NDCE_DBERRM | /* double bit error ir masked */
NDCE_SBERRM | /* single bit error ir masked */
NDCE_WRDREQM | /* write data request ir masked */
NDCE_RDDREQM | /* read data request ir masked */
NDCE_WRCMDREQM); /* write command request ir masked */
nand->hwcontrol = delta_hwcontrol;
nand->dev_ready = delta_device_ready;
nand->eccmode = NAND_ECC_SOFT;
nand->chip_delay = NAND_DELAY_US;
nand->options = NAND_BUSWIDTH_16;
nand->read_byte = delta_read_byte;
nand->cmdfunc = delta_cmdfunc;
/* nand->options = NAND_SAMSUNG_LP_OPTIONS; */
}
#else
#error "U-Boot legacy NAND support not available for delta board."
#endif
#endif

@ -1003,12 +1003,51 @@ typedef void (*ExcpHndlr) (void) ;
#define GSDR(x) __REG2(0x40E00400, ((x) & 0x60) >> 3)
#define GCDR(x) __REG2(0x40300420, ((x) & 0x60) >> 3)
/* Multi-funktion Pin Registers, uncomplete, only GPIO relevant pins for now */
/* Multi-funktion Pin Registers, uncomplete, only:
* - GPIO
* - Data Flash DF_* pins defined.
*/
#define GPIO0 __REG(0x40e10124)
#define GPIO1 __REG(0x40e10128)
#define GPIO2 __REG(0x40e1012c)
#define GPIO3 __REG(0x40e10130)
#define GPIO4 __REG(0x40e10134)
#define nXCVREN __REG(0x40e10138)
#define DF_CLE_NOE __REG(0x40e10204)
#define DF_ALE_WE1 __REG(0x40e10208)
#define DF_SCLK_E __REG(0x40e10210)
#define nBE0 __REG(0x40e10214)
#define nBE1 __REG(0x40e10218)
#define DF_ALE_WE2 __REG(0x40e1021c)
#define DF_INT_RnB __REG(0x40e10220)
#define DF_nCS0 __REG(0x40e10224)
#define DF_nCS1 __REG(0x40e10228)
#define DF_nWE __REG(0x40e1022c)
#define DF_nRE __REG(0x40e10230)
#define nLUA __REG(0x40e10234)
#define nLLA __REG(0x40e10238)
#define DF_ADDR0 __REG(0x40e1023c)
#define DF_ADDR1 __REG(0x40e10240)
#define DF_ADDR2 __REG(0x40e10244)
#define DF_ADDR3 __REG(0x40e10248)
#define DF_IO0 __REG(0x40e1024c)
#define DF_IO8 __REG(0x40e10250)
#define DF_IO1 __REG(0x40e10254)
#define DF_IO9 __REG(0x40e10258)
#define DF_IO2 __REG(0x40e1025c)
#define DF_IO10 __REG(0x40e10260)
#define DF_IO3 __REG(0x40e10264)
#define DF_IO11 __REG(0x40e10268)
#define DF_IO4 __REG(0x40e1026c)
#define DF_IO12 __REG(0x40e10270)
#define DF_IO5 __REG(0x40e10274)
#define DF_IO13 __REG(0x40e10278)
#define DF_IO6 __REG(0x40e1027c)
#define DF_IO14 __REG(0x40e10280)
#define DF_IO7 __REG(0x40e10284)
#define DF_IO15 __REG(0x40e10288)
#define GPIO5 __REG(0x40e1028c)
#define GPIO6 __REG(0x40e10290)
@ -2022,19 +2061,19 @@ typedef void (*ExcpHndlr) (void) ;
/* Data Flash Controller Registers */
#define NDCR __REG_2(0x43100000) /* Data Flash Control register */
#define NDTR0CS0 __REG_2(0x43100004) /* Data Controller Timing Parameter 0 Register for ND_nCS0 */
#define NDTR0CS1 __REG_2(0x43100008) /* Data Controller Timing Parameter 0 Register for ND_nCS1 */
#define NDTR1CS0 __REG_2(0x4310000C) /* Data Controller Timing Parameter 1 Register for ND_nCS0 */
#define NDTR1CS1 __REG_2(0x43100010) /* Data Controller Timing Parameter 1 Register for ND_nCS1 */
#define NDSR __REG_2(0x43100014) /* Data Controller Status Register */
#define NDPCR __REG_2(0x43100018) /* Data Controller Page Count Register */
#define NDBDR0 __REG_2(0x4310001C) /* Data Controller Bad Block Register 0 */
#define NDBDR1 __REG_2(0x43100020) /* Data Controller Bad Block Register 1 */
#define NDDB __REG_2(0x43100040) /* Data Controller Data Buffer */
#define NDCB0 __REG_2(0x43100048) /* Data Controller Command Buffer0 */
#define NDCB1 __REG_2(0x4310004C) /* Data Controller Command Buffer1 */
#define NDCB2 __REG_2(0x43100050) /* Data Controller Command Buffer2 */
#define NDCR __REG(0x43100000) /* Data Flash Control register */
#define NDTR0CS0 __REG(0x43100004) /* Data Controller Timing Parameter 0 Register for ND_nCS0 */
/* #define NDTR0CS1 __REG(0x43100008) /\* Data Controller Timing Parameter 0 Register for ND_nCS1 *\/ */
#define NDTR1CS0 __REG(0x4310000C) /* Data Controller Timing Parameter 1 Register for ND_nCS0 */
/* #define NDTR1CS1 __REG(0x43100010) /\* Data Controller Timing Parameter 1 Register for ND_nCS1 *\/ */
#define NDSR __REG(0x43100014) /* Data Controller Status Register */
#define NDPCR __REG(0x43100018) /* Data Controller Page Count Register */
#define NDBDR0 __REG(0x4310001C) /* Data Controller Bad Block Register 0 */
#define NDBDR1 __REG(0x43100020) /* Data Controller Bad Block Register 1 */
#define NDDB __REG(0x43100040) /* Data Controller Data Buffer */
#define NDCB0 __REG(0x43100048) /* Data Controller Command Buffer0 */
#define NDCB1 __REG(0x4310004C) /* Data Controller Command Buffer1 */
#define NDCB2 __REG(0x43100050) /* Data Controller Command Buffer2 */
#define NDCR_SPARE_EN (0x1<<31)
#define NDCR_ECC_EN (0x1<<30)
@ -2052,6 +2091,18 @@ typedef void (*ExcpHndlr) (void) ;
#define NDCR_RA_START (0x1<<15)
#define NDCR_PG_PER_BLK (0x1<<14)
#define NDCR_ND_ARB_EN (0x1<<12)
#define NDCE_RDYM (0x1<<11)
#define NDCE_CS0_PAGEDM (0x1<<10)
#define NDCE_CS1_PAGEDM (0x1<<9)
#define NDCE_CS0_CMDDM (0x1<<8)
#define NDCE_CS1_CMDDM (0x1<<7)
#define NDCE_CS0_BBDM (0x1<<6)
#define NDCE_CS1_BBDM (0x1<<5)
#define NDCE_DBERRM (0x1<<4)
#define NDCE_SBERRM (0x1<<3)
#define NDCE_WRDREQM (0x1<<2)
#define NDCE_RDDREQM (0x1<<1)
#define NDCE_WRCMDREQM (0x1)
#define NDSR_RDY (0x1<<11)
#define NDSR_CS0_PAGED (0x1<<10)

@ -73,7 +73,9 @@
#ifdef TURN_ON_ETHERNET
# define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_PING)
#else
# define CONFIG_COMMANDS (CONFIG_CMD_DFL & ~CFG_CMD_NET)
# define CONFIG_COMMANDS ((CONFIG_CMD_DFL | CFG_CMD_NAND) \
& ~(CFG_CMD_NET | CFG_CMD_FLASH | \
CFG_CMD_ENV | CFG_CMD_IMLS))
#endif
@ -152,20 +154,41 @@
#define PHYS_SDRAM_4 0xa3000000 /* SDRAM Bank #4 */
#define PHYS_SDRAM_4_SIZE 0x1000000 /* 64 MB */
#define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */
#define PHYS_FLASH_2 0x04000000 /* Flash Bank #2 */
#define PHYS_FLASH_SIZE 0x02000000 /* 32 MB */
#define PHYS_FLASH_BANK_SIZE 0x02000000 /* 32 MB Banks */
#define PHYS_FLASH_SECT_SIZE 0x00040000 /* 256 KB sectors (x2) */
#define CFG_DRAM_BASE 0xa0000000 /* at CS0 */
#define CFG_DRAM_SIZE 0x04000000 /* 64 MB Ram */
#define CFG_SKIP_DRAM_SCRUB 1
#define CFG_FLASH_BASE PHYS_FLASH_1
#define FPGA_REGS_BASE_PHYSICAL 0x08000000
/*
* NAND Flash
*/
/* Use the new NAND code. (BOARDLIBS = drivers/nand/libnand.a required) */
#define CONFIG_NEW_NAND_CODE
#define CFG_NAND0_BASE 0x10000000
#undef CFG_NAND1_BASE
#define CFG_NAND_BASE_LIST { CFG_NAND0_BASE }
#define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */
#define SECTORSIZE 512
/* #define NAND_NO_RB */
#define NAND_DELAY_US 25 /* mk@tbd: could be 0, I guess */
#define ADDR_COLUMN 1
#define ADDR_PAGE 2
#define ADDR_COLUMN_PAGE 3
#define NAND_ChipID_UNKNOWN 0x00
#define NAND_MAX_FLOORS 1
#define NAND_MAX_CHIPS 1
#define CFG_NO_FLASH 1
#ifndef CGF_NO_FLASH
/* these are required by the environment code */
#define PHYS_FLASH_1 CFG_NAND0_BASE /* Flash Bank #1 */
#define PHYS_FLASH_SIZE 0x04000000 /* 64 MB */
#define PHYS_FLASH_BANK_SIZE 0x04000000 /* 64 MB Banks */
#define PHYS_FLASH_SECT_SIZE (SECTORSIZE*1024) /* KB sectors (x2) */
#endif
/*
* GPIO settings
@ -215,6 +238,7 @@
/*
* FLASH and environment organization
*/
#ifndef CFG_NO_FLASH
#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
#define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */
@ -222,30 +246,16 @@
#define CFG_FLASH_ERASE_TOUT (25*CFG_HZ) /* Timeout for Flash Erase */
#define CFG_FLASH_WRITE_TOUT (25*CFG_HZ) /* Timeout for Flash Write */
/* NOTE: many default partitioning schemes assume the kernel starts at the
* second sector, not an environment. You have been warned!
*/
#define CFG_MONITOR_LEN PHYS_FLASH_SECT_SIZE
#endif /* #ifndef CFG_NO_FLASH */
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_ENV_ADDR (PHYS_FLASH_1 + PHYS_FLASH_SECT_SIZE)
#define CFG_ENV_SECT_SIZE PHYS_FLASH_SECT_SIZE
#define CFG_ENV_SIZE (PHYS_FLASH_SECT_SIZE / 16)
/*
* FPGA Offsets
*/
#define WHOAMI_OFFSET 0x00
#define HEXLED_OFFSET 0x10
#define BLANKLED_OFFSET 0x40
#define DISCRETELED_OFFSET 0x40
#define CNFG_SWITCHES_OFFSET 0x50
#define USER_SWITCHES_OFFSET 0x60
#define MISC_WR_OFFSET 0x80
#define MISC_RD_OFFSET 0x90
#define INT_MASK_OFFSET 0xC0
#define INT_CLEAR_OFFSET 0xD0
#define GP_OFFSET 0x100
#define CFG_ENV_IS_NOWHERE
/* #define CFG_ENV_IS_IN_NAND 1 */
#define CFG_ENV_OFFSET 0x40000
#define CFG_ENV_SIZE 0x4000
#endif /* __CONFIG_H */

@ -179,11 +179,13 @@ static int display_dram_config (void)
return (0);
}
#ifndef CFG_NO_FLASH
static void display_flash_config (ulong size)
{
puts ("Flash: ");
print_size (size, "\n");
}
#endif /* CFG_NO_FLASH */
/*
@ -259,9 +261,11 @@ void start_armboot (void)
}
}
#ifndef CFG_NO_FLASH
/* configure available FLASH banks */
size = flash_init ();
display_flash_config (size);
#endif /* CFG_NO_FLASH */
#ifdef CONFIG_VFD
# ifndef PAGE_SIZE

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