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-rw-r--r--board/delta/delta.c208
-rw-r--r--board/zylonite/Makefile4
-rw-r--r--board/zylonite/config.mk2
-rw-r--r--board/zylonite/lowlevel_init.S2
-rw-r--r--board/zylonite/nand.c584
-rw-r--r--include/configs/delta.h11
-rw-r--r--include/configs/zylonite.h140
-rw-r--r--lib_arm/board.c2
-rw-r--r--lib_m68k/board.c2
9 files changed, 866 insertions, 89 deletions
diff --git a/board/delta/delta.c b/board/delta/delta.c
index b7671dd..b127ac8 100644
--- a/board/delta/delta.c
+++ b/board/delta/delta.c
@@ -28,6 +28,8 @@
#include <common.h>
#include <i2c.h>
#include <da9030.h>
+#include <malloc.h>
+#include <command.h>
#include <asm/arch/pxa-regs.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -35,6 +37,9 @@ DECLARE_GLOBAL_DATA_PTR;
/* ------------------------------------------------------------------------- */
static void init_DA9030(void);
+static void keys_init(void);
+static void get_pressed_keys(uchar *s);
+static uchar *key_match(uchar *kbd_data);
/*
* Miscelaneous platform dependent initialisations
@@ -56,13 +61,216 @@ int board_init (void)
int board_late_init(void)
{
+#ifdef DELTA_CHECK_KEYBD
+ uchar kbd_data[KEYBD_DATALEN];
+ char keybd_env[2 * KEYBD_DATALEN + 1];
+ char *str;
+ int i;
+#endif /* DELTA_CHECK_KEYBD */
+
setenv("stdout", "serial");
setenv("stderr", "serial");
+
+#ifdef DELTA_CHECK_KEYBD
+ keys_init();
+
+ memset(kbd_data, '\0', KEYBD_DATALEN);
+
+ /* check for pressed keys and setup keybd_env */
+ get_pressed_keys(kbd_data);
+
+ for (i = 0; i < KEYBD_DATALEN; ++i) {
+ sprintf (keybd_env + i + i, "%02X", kbd_data[i]);
+ }
+ setenv ("keybd", keybd_env);
+
+ str = strdup ((char *)key_match (kbd_data)); /* decode keys */
+
+# ifdef CONFIG_PREBOOT /* automatically configure "preboot" command on key match */
+ setenv ("preboot", str); /* set or delete definition */
+# endif /* CONFIG_PREBOOT */
+ if (str != NULL) {
+ free (str);
+ }
+#endif /* DELTA_CHECK_KEYBD */
+
init_DA9030();
return 0;
}
+/*
+ * Magic Key Handling, mainly copied from board/lwmon/lwmon.c
+ */
+#ifdef DELTA_CHECK_KEYBD
+
+static uchar kbd_magic_prefix[] = "key_magic";
+static uchar kbd_command_prefix[] = "key_cmd";
+
+/*
+ * Get pressed keys
+ * s is a buffer of size KEYBD_DATALEN-1
+ */
+static void get_pressed_keys(uchar *s)
+{
+ unsigned long val;
+ val = GPLR3;
+
+ if(val & (1<<31))
+ *s++ = KEYBD_KP_DKIN0;
+ if(val & (1<<18))
+ *s++ = KEYBD_KP_DKIN1;
+ if(val & (1<<29))
+ *s++ = KEYBD_KP_DKIN2;
+ if(val & (1<<22))
+ *s++ = KEYBD_KP_DKIN5;
+}
+
+static void keys_init()
+{
+ CKENB |= CKENB_7_GPIO;
+ udelay(100);
+
+ /* Configure GPIOs */
+ GPIO127 = 0xa840; /* KP_DKIN0 */
+ GPIO114 = 0xa840; /* KP_DKIN1 */
+ GPIO125 = 0xa840; /* KP_DKIN2 */
+ GPIO118 = 0xa840; /* KP_DKIN5 */
+
+ /* Configure GPIOs as inputs */
+ GPDR3 &= ~(1<<31 | 1<<18 | 1<<29 | 1<<22);
+ GCDR3 = (1<<31 | 1<<18 | 1<<29 | 1<<22);
+
+ udelay(100);
+}
+
+static int compare_magic (uchar *kbd_data, uchar *str)
+{
+ /* uchar compare[KEYBD_DATALEN-1]; */
+ uchar compare[KEYBD_DATALEN];
+ char *nxt;
+ int i;
+
+ /* Don't include modifier byte */
+ /* memcpy (compare, kbd_data+1, KEYBD_DATALEN-1); */
+ memcpy (compare, kbd_data, KEYBD_DATALEN);
+
+ for (; str != NULL; str = (*nxt) ? (uchar *)(nxt+1) : (uchar *)nxt) {
+ uchar c;
+ int k;
+
+ c = (uchar) simple_strtoul ((char *)str, (char **) (&nxt), 16);
+
+ if (str == (uchar *)nxt) { /* invalid character */
+ break;
+ }
+
+ /*
+ * Check if this key matches the input.
+ * Set matches to zero, so they match only once
+ * and we can find duplicates or extra keys
+ */
+ for (k = 0; k < sizeof(compare); ++k) {
+ if (compare[k] == '\0') /* only non-zero entries */
+ continue;
+ if (c == compare[k]) { /* found matching key */
+ compare[k] = '\0';
+ break;
+ }
+ }
+ if (k == sizeof(compare)) {
+ return -1; /* unmatched key */
+ }
+ }
+
+ /*
+ * A full match leaves no keys in the `compare' array,
+ */
+ for (i = 0; i < sizeof(compare); ++i) {
+ if (compare[i])
+ {
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+
+static uchar *key_match (uchar *kbd_data)
+{
+ char magic[sizeof (kbd_magic_prefix) + 1];
+ uchar *suffix;
+ char *kbd_magic_keys;
+
+ /*
+ * The following string defines the characters that can pe appended
+ * to "key_magic" to form the names of environment variables that
+ * hold "magic" key codes, i. e. such key codes that can cause
+ * pre-boot actions. If the string is empty (""), then only
+ * "key_magic" is checked (old behaviour); the string "125" causes
+ * checks for "key_magic1", "key_magic2" and "key_magic5", etc.
+ */
+ if ((kbd_magic_keys = getenv ("magic_keys")) == NULL)
+ kbd_magic_keys = "";
+
+ /* loop over all magic keys;
+ * use '\0' suffix in case of empty string
+ */
+ for (suffix=(uchar *)kbd_magic_keys; *suffix || suffix==(uchar *)kbd_magic_keys; ++suffix) {
+ sprintf (magic, "%s%c", kbd_magic_prefix, *suffix);
+#if 0
+ printf ("### Check magic \"%s\"\n", magic);
+#endif
+ if (compare_magic(kbd_data, (uchar *)getenv(magic)) == 0) {
+ char cmd_name[sizeof (kbd_command_prefix) + 1];
+ char *cmd;
+
+ sprintf (cmd_name, "%s%c", kbd_command_prefix, *suffix);
+
+ cmd = getenv (cmd_name);
+#if 0
+ printf ("### Set PREBOOT to $(%s): \"%s\"\n",
+ cmd_name, cmd ? cmd : "<<NULL>>");
+#endif
+ *kbd_data = *suffix;
+ return ((uchar *)cmd);
+ }
+ }
+#if 0
+ printf ("### Delete PREBOOT\n");
+#endif
+ *kbd_data = '\0';
+ return (NULL);
+}
+
+int do_kbd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ uchar kbd_data[KEYBD_DATALEN];
+ char keybd_env[2 * KEYBD_DATALEN + 1];
+ int i;
+
+ /* Read keys */
+ get_pressed_keys(kbd_data);
+ puts ("Keys:");
+ for (i = 0; i < KEYBD_DATALEN; ++i) {
+ sprintf (keybd_env + i + i, "%02X", kbd_data[i]);
+ printf (" %02x", kbd_data[i]);
+ }
+ putc ('\n');
+ setenv ("keybd", keybd_env);
+ return 0;
+}
+
+U_BOOT_CMD(
+ kbd, 1, 1, do_kbd,
+ "kbd - read keyboard status\n",
+ NULL
+);
+
+#endif /* DELTA_CHECK_KEYBD */
+
+
int dram_init (void)
{
gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
diff --git a/board/zylonite/Makefile b/board/zylonite/Makefile
index 999647f..f3ad674 100644
--- a/board/zylonite/Makefile
+++ b/board/zylonite/Makefile
@@ -1,4 +1,3 @@
-
#
# (C) Copyright 2000
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
@@ -21,12 +20,11 @@
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
-
include $(TOPDIR)/config.mk
LIB = lib$(BOARD).a
-OBJS := zylonite.o flash.o
+OBJS := zylonite.o nand.o
SOBJS := lowlevel_init.o
$(LIB): $(OBJS) $(SOBJS)
diff --git a/board/zylonite/config.mk b/board/zylonite/config.mk
index 09b0f71..b5d5955 100644
--- a/board/zylonite/config.mk
+++ b/board/zylonite/config.mk
@@ -2,3 +2,5 @@
#TEXT_BASE = 0xa1700000
#TEXT_BASE = 0xa3080000
TEXT_BASE = 0xa3008000
+
+BOARDLIBS = drivers/nand/libnand.a
diff --git a/board/zylonite/lowlevel_init.S b/board/zylonite/lowlevel_init.S
index c3bb4eb..da01765 100644
--- a/board/zylonite/lowlevel_init.S
+++ b/board/zylonite/lowlevel_init.S
@@ -235,6 +235,7 @@ mem_init:
orr r1, r1, #0x40000000 @ enable SDRAM for Normal Access
str r1, [r0]
+#ifndef CFG_SKIP_DRAM_SCRUB
/* scrub/init SDRAM if enabled/present */
/* ldr r11, =0xa0000000 /\* base address of SDRAM (CFG_DRAM_BASE) *\/ */
/* ldr r12, =0x04000000 /\* size of memory to scrub (CFG_DRAM_SIZE) *\/ */
@@ -254,6 +255,7 @@ mem_init:
stmia r8!, {r0-r7}
beq 15f
b 10b
+#endif /* CFG_SKIP_DRAM_SCRUB */
15:
/* Mask all interrupts */
diff --git a/board/zylonite/nand.c b/board/zylonite/nand.c
new file mode 100644
index 0000000..5d2cd65
--- /dev/null
+++ b/board/zylonite/nand.c
@@ -0,0 +1,584 @@
+/*
+ * (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>
+
+#ifdef CFG_DFC_DEBUG1
+# define DFC_DEBUG1(fmt, args...) printf(fmt, ##args)
+#else
+# define DFC_DEBUG1(fmt, args...)
+#endif
+
+#ifdef CFG_DFC_DEBUG2
+# define DFC_DEBUG2(fmt, args...) printf(fmt, ##args)
+#else
+# define DFC_DEBUG2(fmt, args...)
+#endif
+
+#ifdef CFG_DFC_DEBUG3
+# define DFC_DEBUG3(fmt, args...) printf(fmt, ##args)
+#else
+# define DFC_DEBUG3(fmt, args...)
+#endif
+
+#define MIN(x, y) ((x < y) ? x : y)
+
+/* These really don't belong here, as they are specific to the NAND Model */
+static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
+
+static struct nand_bbt_descr delta_bbt_descr = {
+ .options = 0,
+ .offs = 0,
+ .len = 2,
+ .pattern = scan_ff_pattern
+};
+
+static struct nand_oobinfo delta_oob = {
+ .useecc = MTD_NANDECC_AUTOPL_USR, /* MTD_NANDECC_PLACEONLY, */
+ .eccbytes = 6,
+ .eccpos = {2, 3, 4, 5, 6, 7},
+ .oobfree = { {8, 2}, {12, 4} }
+};
+
+
+/*
+ * not required for Monahans DFC
+ */
+static void dfc_hwcontrol(struct mtd_info *mtdinfo, int cmd)
+{
+ return;
+}
+
+#if 0
+/* read device ready pin */
+static int dfc_device_ready(struct mtd_info *mtdinfo)
+{
+ if(NDSR & NDSR_RDY)
+ return 1;
+ else
+ return 0;
+ return 0;
+}
+#endif
+
+/*
+ * Write buf to the DFC Controller Data Buffer
+ */
+static void dfc_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
+{
+ unsigned long bytes_multi = len & 0xfffffffc;
+ unsigned long rest = len & 0x3;
+ unsigned long *long_buf;
+ int i;
+
+ DFC_DEBUG2("dfc_write_buf: writing %d bytes starting with 0x%x.\n", len, *((unsigned long*) buf));
+ if(bytes_multi) {
+ for(i=0; i<bytes_multi; i+=4) {
+ long_buf = (unsigned long*) &buf[i];
+ NDDB = *long_buf;
+ }
+ }
+ if(rest) {
+ printf("dfc_write_buf: ERROR, writing non 4-byte aligned data.\n");
+ }
+ return;
+}
+
+
+/*
+ * These functions are quite problematic for the DFC. Luckily they are
+ * not used in the current nand code, except for nand_command, which
+ * we've defined our own anyway. The problem is, that we always need
+ * to write 4 bytes to the DFC Data Buffer, but in these functions we
+ * don't know if to buffer the bytes/half words until we've gathered 4
+ * bytes or if to send them straight away.
+ *
+ * Solution: Don't use these with Mona's DFC and complain loudly.
+ */
+static void dfc_write_word(struct mtd_info *mtd, u16 word)
+{
+ printf("dfc_write_word: WARNING, this function does not work with the Monahans DFC!\n");
+}
+static void dfc_write_byte(struct mtd_info *mtd, u_char byte)
+{
+ printf("dfc_write_byte: WARNING, this function does not work with the Monahans DFC!\n");
+}
+
+/* The original:
+ * static void dfc_read_buf(struct mtd_info *mtd, const u_char *buf, int len)
+ *
+ * Shouldn't this be "u_char * const buf" ?
+ */
+static void dfc_read_buf(struct mtd_info *mtd, u_char* const buf, int len)
+{
+ int i=0, j;
+
+ /* we have to be carefull not to overflow the buffer if len is
+ * not a multiple of 4 */
+ unsigned long bytes_multi = len & 0xfffffffc;
+ unsigned long rest = len & 0x3;
+ unsigned long *long_buf;
+
+ DFC_DEBUG3("dfc_read_buf: reading %d bytes.\n", len);
+ /* if there are any, first copy multiple of 4 bytes */
+ if(bytes_multi) {
+ for(i=0; i<bytes_multi; i+=4) {
+ long_buf = (unsigned long*) &buf[i];
+ *long_buf = NDDB;
+ }
+ }
+
+ /* ...then the rest */
+ if(rest) {
+ unsigned long rest_data = NDDB;
+ for(j=0;j<rest; j++)
+ buf[i+j] = (u_char) ((rest_data>>j) & 0xff);
+ }
+
+ return;
+}
+
+/*
+ * read a word. Not implemented as not used in NAND code.
+ */
+static u16 dfc_read_word(struct mtd_info *mtd)
+{
+ printf("dfc_write_byte: UNIMPLEMENTED.\n");
+ return 0;
+}
+
+/* global var, too bad: mk@tbd: move to ->priv pointer */
+static unsigned long read_buf = 0;
+static int bytes_read = -1;
+
+/*
+ * read a byte from NDDB Because we can only read 4 bytes from NDDB at
+ * a time, we buffer the remaining bytes. The buffer is reset when a
+ * new command is sent to the chip.
+ *
+ * WARNING:
+ * This function is currently only used to read status and id
+ * bytes. For these commands always 8 bytes need to be read from
+ * NDDB. So we read and discard these bytes right now. In case this
+ * function is used for anything else in the future, we must check
+ * what was the last command issued and read the appropriate amount of
+ * bytes respectively.
+ */
+static u_char dfc_read_byte(struct mtd_info *mtd)
+{
+ unsigned char byte;
+ unsigned long dummy;
+
+ if(bytes_read < 0) {
+ read_buf = NDDB;
+ dummy = NDDB;
+ bytes_read = 0;
+ }
+ byte = (unsigned char) (read_buf>>(8 * bytes_read++));
+ if(bytes_read >= 4)
+ bytes_read = -1;
+
+ DFC_DEBUG2("dfc_read_byte: byte %u: 0x%x of (0x%x).\n", bytes_read - 1, byte, read_buf);
+ return byte;
+}
+
+/* calculate delta between OSCR values start and now */
+static unsigned long get_delta(unsigned long start)
+{
+ unsigned long cur = OSCR;
+
+ if(cur < start) /* OSCR overflowed */
+ return (cur + (start^0xffffffff));
+ else
+ return (cur - start);
+}
+
+/* delay function, this doesn't belong here */
+static void wait_us(unsigned long us)
+{
+ unsigned long start = OSCR;
+ us *= OSCR_CLK_FREQ;
+
+ while (get_delta(start) < us) {
+ /* do nothing */
+ }
+}
+
+static void dfc_clear_nddb(void)
+{
+ NDCR &= ~NDCR_ND_RUN;
+ wait_us(CFG_NAND_OTHER_TO);
+}
+
+/* wait_event with timeout */
+static unsigned long dfc_wait_event(unsigned long event)
+{
+ unsigned long ndsr, timeout, start = OSCR;
+
+ if(!event)
+ return 0xff000000;
+ else if(event & (NDSR_CS0_CMDD | NDSR_CS0_BBD))
+ timeout = CFG_NAND_PROG_ERASE_TO * OSCR_CLK_FREQ;
+ else
+ timeout = CFG_NAND_OTHER_TO * OSCR_CLK_FREQ;
+
+ while(1) {
+ ndsr = NDSR;
+ if(ndsr & event) {
+ NDSR |= event;
+ break;
+ }
+ if(get_delta(start) > timeout) {
+ DFC_DEBUG1("dfc_wait_event: TIMEOUT waiting for event: 0x%x.\n", event);
+ return 0xff000000;
+ }
+
+ }
+ return ndsr;
+}
+
+/* we don't always wan't to do this */
+static void dfc_new_cmd(void)
+{
+ int retry = 0;
+ unsigned long status;
+
+ while(retry++ <= CFG_NAND_SENDCMD_RETRY) {
+ /* Clear NDSR */
+ NDSR = 0xFFF;
+
+ /* set NDCR[NDRUN] */
+ if(!(NDCR & NDCR_ND_RUN))
+ NDCR |= NDCR_ND_RUN;
+
+ status = dfc_wait_event(NDSR_WRCMDREQ);
+
+ if(status & NDSR_WRCMDREQ)
+ return;
+
+ DFC_DEBUG2("dfc_new_cmd: FAILED to get WRITECMDREQ, retry: %d.\n", retry);
+ dfc_clear_nddb();
+ }
+ DFC_DEBUG1("dfc_new_cmd: giving up after %d retries.\n", retry);
+}
+
+/* this function is called after Programm and Erase Operations to
+ * check for success or failure */
+static int dfc_wait(struct mtd_info *mtd, struct nand_chip *this, int state)
+{
+ unsigned long ndsr=0, event=0;
+
+ if(state == FL_WRITING) {
+ event = NDSR_CS0_CMDD | NDSR_CS0_BBD;
+ } else if(state == FL_ERASING) {
+ event = NDSR_CS0_CMDD | NDSR_CS0_BBD;
+ }
+
+ ndsr = dfc_wait_event(event);
+
+ if((ndsr & NDSR_CS0_BBD) || (ndsr & 0xff000000))
+ return(0x1); /* Status Read error */
+ return 0;
+}
+
+/* cmdfunc send commands to the DFC */
+static void dfc_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, event=0;
+
+ /* clear the ugly byte read buffer */
+ bytes_read = -1;
+ read_buf = 0;
+
+ switch (command) {
+ case NAND_CMD_READ0:
+ DFC_DEBUG3("dfc_cmdfunc: NAND_CMD_READ0, page_addr: 0x%x, column: 0x%x.\n", page_addr, (column>>1));
+ dfc_new_cmd();
+ ndcb0 = (NAND_CMD_READ0 | (4<<16));
+ column >>= 1; /* adjust for 16 bit bus */
+ ndcb1 = (((column>>1) & 0xff) |
+ ((page_addr<<8) & 0xff00) |
+ ((page_addr<<8) & 0xff0000) |
+ ((page_addr<<8) & 0xff000000)); /* make this 0x01000000 ? */
+ event = NDSR_RDDREQ;
+ goto write_cmd;
+ case NAND_CMD_READ1:
+ DFC_DEBUG2("dfc_cmdfunc: NAND_CMD_READ1 unimplemented!\n");
+ goto end;
+ case NAND_CMD_READOOB:
+ DFC_DEBUG1("dfc_cmdfunc: NAND_CMD_READOOB unimplemented!\n");
+ goto end;
+ case NAND_CMD_READID:
+ dfc_new_cmd();
+ DFC_DEBUG2("dfc_cmdfunc: NAND_CMD_READID.\n");
+ ndcb0 = (NAND_CMD_READID | (3 << 21) | (1 << 16)); /* addr cycles*/
+ event = NDSR_RDDREQ;
+ goto write_cmd;
+ case NAND_CMD_PAGEPROG:
+ /* sent as a multicommand in NAND_CMD_SEQIN */
+ DFC_DEBUG2("dfc_cmdfunc: NAND_CMD_PAGEPROG empty due to multicmd.\n");
+ goto end;
+ case NAND_CMD_ERASE1:
+ DFC_DEBUG2("dfc_cmdfunc: NAND_CMD_ERASE1, page_addr: 0x%x, column: 0x%x.\n", page_addr, (column>>1));
+ dfc_new_cmd();
+ ndcb0 = (0xd060 | (1<<25) | (2<<21) | (1<<19) | (3<<16));
+ ndcb1 = (page_addr & 0x00ffffff);
+ goto write_cmd;
+ case NAND_CMD_ERASE2:
+ DFC_DEBUG2("dfc_cmdfunc: NAND_CMD_ERASE2 empty due to multicmd.\n");
+ goto end;
+ case NAND_CMD_SEQIN:
+ /* send PAGE_PROG command(0x1080) */
+ dfc_new_cmd();
+ DFC_DEBUG2("dfc_cmdfunc: NAND_CMD_SEQIN/PAGE_PROG, page_addr: 0x%x, column: 0x%x.\n", page_addr, (column>>1));
+ ndcb0 = (0x1080 | (1<<25) | (1<<21) | (1<<19) | (4<<16));
+ column >>= 1; /* adjust for 16 bit bus */
+ ndcb1 = (((column>>1) & 0xff) |
+ ((page_addr<<8) & 0xff00) |
+ ((page_addr<<8) & 0xff0000) |
+ ((page_addr<<8) & 0xff000000)); /* make this 0x01000000 ? */
+ event = NDSR_WRDREQ;
+ goto write_cmd;
+ case NAND_CMD_STATUS:
+ DFC_DEBUG2("dfc_cmdfunc: NAND_CMD_STATUS.\n");
+ dfc_new_cmd();
+ ndcb0 = NAND_CMD_STATUS | (4<<21);
+ event = NDSR_RDDREQ;
+ goto write_cmd;
+ case NAND_CMD_RESET:
+ DFC_DEBUG2("dfc_cmdfunc: NAND_CMD_RESET.\n");
+ ndcb0 = NAND_CMD_RESET | (5<<21);
+ event = NDSR_CS0_CMDD;
+ goto write_cmd;
+ default:
+ printk("dfc_cmdfunc: error, unsupported command.\n");
+ goto end;
+ }
+
+ write_cmd:
+ NDCB0 = ndcb0;
+ NDCB0 = ndcb1;
+ NDCB0 = ndcb2;
+
+ /* wait_event: */
+ dfc_wait_event(event);
+ end:
+ return;
+}
+
+static void dfc_gpio_init(void)
+{
+ DFC_DEBUG2("Setting up DFC GPIO's.\n");
+
+ /* no idea what is done here, see zylonite.c */
+ GPIO4 = 0x1;
+
+ DF_ALE_WE1 = 0x00000001;
+ DF_ALE_WE2 = 0x00000001;
+ DF_nCS0 = 0x00000001;
+ DF_nCS1 = 0x00000001;
+ DF_nWE = 0x00000001;
+ DF_nRE = 0x00000001;
+ DF_IO0 = 0x00000001;
+ DF_IO8 = 0x00000001;
+ DF_IO1 = 0x00000001;
+ DF_IO9 = 0x00000001;
+ DF_IO2 = 0x00000001;
+ DF_IO10 = 0x00000001;
+ DF_IO3 = 0x00000001;
+ DF_IO11 = 0x00000001;
+ DF_IO4 = 0x00000001;
+ DF_IO12 = 0x00000001;
+ DF_IO5 = 0x00000001;
+ DF_IO13 = 0x00000001;
+ DF_IO6 = 0x00000001;
+ DF_IO14 = 0x00000001;
+ DF_IO7 = 0x00000001;
+ DF_IO15 = 0x00000001;
+
+ DF_nWE = 0x1901;
+ DF_nRE = 0x1901;
+ DF_CLE_NOE = 0x1900;
+ DF_ALE_WE1 = 0x1901;
+ DF_INT_RnB = 0x1900;
+}
+
+/*
+ * 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 */
+ dfc_gpio_init();
+
+ /* turn on the NAND Controller Clock (104 MHz @ D0) */
+ CKENA |= (CKENA_4_NAND | CKENA_9_SMC);
+
+#undef CFG_TIMING_TIGHT
+#ifndef CFG_TIMING_TIGHT
+ 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);
+#else /* this is the tight timing */
+
+ tCH = MIN(((unsigned long) (NAND_TIMING_tCH * DFC_CLK_PER_US)),
+ DFC_MAX_tCH);
+ tCS = MIN(((unsigned long) (NAND_TIMING_tCS * DFC_CLK_PER_US)),
+ DFC_MAX_tCS);
+ tWH = MIN(((unsigned long) (NAND_TIMING_tWH * DFC_CLK_PER_US)),
+ DFC_MAX_tWH);
+ tWP = MIN(((unsigned long) (NAND_TIMING_tWP * DFC_CLK_PER_US)),
+ DFC_MAX_tWP);
+ tRH = MIN(((unsigned long) (NAND_TIMING_tRH * DFC_CLK_PER_US)),
+ DFC_MAX_tRH);
+ tRP = MIN(((unsigned long) (NAND_TIMING_tRP * DFC_CLK_PER_US)),
+ DFC_MAX_tRP);
+ tR = MIN(((unsigned long) (NAND_TIMING_tR * DFC_CLK_PER_US) - tCH - 2),
+ DFC_MAX_tR);
+ tWHR = MIN(((unsigned long) (NAND_TIMING_tWHR * DFC_CLK_PER_US) - tCH - 2),
+ DFC_MAX_tWHR);
+ tAR = MIN(((unsigned long) (NAND_TIMING_tAR * DFC_CLK_PER_US) - 2),
+ DFC_MAX_tAR);
+#endif /* CFG_TIMING_TIGHT */
+
+
+ DFC_DEBUG2("tCH=%u, tCS=%u, tWH=%u, tWP=%u, tRH=%u, tRP=%u, tR=%u, tWHR=%u, tAR=%u.\n", tCH, tCS, tWH, tWP, tRH, tRP, tR, tWHR, 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
+ * - ND_RDY : clears command buffer
+ */
+ /* NDCR_NCSX | /\* Chip select busy don't care *\/ */
+
+ NDCR = (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 */
+ NDCR_ND_ARB_EN | /* enable bus arbiter */
+ NDCR_RDYM | /* flash device ready ir masked */
+ NDCR_CS0_PAGEDM | /* ND_nCSx page done ir masked */
+ NDCR_CS1_PAGEDM |
+ NDCR_CS0_CMDDM | /* ND_CSx command done ir masked */
+ NDCR_CS1_CMDDM |
+ NDCR_CS0_BBDM | /* ND_CSx bad block detect ir masked */
+ NDCR_CS1_BBDM |
+ NDCR_DBERRM | /* double bit error ir masked */
+ NDCR_SBERRM | /* single bit error ir masked */
+ NDCR_WRDREQM | /* write data request ir masked */
+ NDCR_RDDREQM | /* read data request ir masked */
+ NDCR_WRCMDREQM); /* write command request ir masked */
+
+
+ /* wait 10 us due to cmd buffer clear reset */
+ /* wait(10); */
+
+
+ nand->hwcontrol = dfc_hwcontrol;
+/* nand->dev_ready = dfc_device_ready; */
+ nand->eccmode = NAND_ECC_SOFT;
+ nand->options = NAND_BUSWIDTH_16;
+ nand->waitfunc = dfc_wait;
+ nand->read_byte = dfc_read_byte;
+ nand->write_byte = dfc_write_byte;
+ nand->read_word = dfc_read_word;
+ nand->write_word = dfc_write_word;
+ nand->read_buf = dfc_read_buf;
+ nand->write_buf = dfc_write_buf;
+
+ nand->cmdfunc = dfc_cmdfunc;
+ nand->autooob = &delta_oob;
+ nand->badblock_pattern = &delta_bbt_descr;
+}
+
+#else
+ #error "U-Boot legacy NAND support not available for Monahans DFC."
+#endif
+#endif
diff --git a/include/configs/delta.h b/include/configs/delta.h
index e4c8cca..91284fd 100644
--- a/include/configs/delta.h
+++ b/include/configs/delta.h
@@ -66,6 +66,17 @@
#define CFG_I2C_INIT_BOARD 1
/* #define CONFIG_HW_WATCHDOG 1 /\* Required for hitting the DA9030 WD *\/ */
+#define DELTA_CHECK_KEYBD 1 /* check for keys pressed during boot */
+#define CONFIG_PREBOOT "\0"
+
+#ifdef DELTA_CHECK_KEYBD
+# define KEYBD_DATALEN 4 /* we have four keys */
+# define KEYBD_KP_DKIN0 0x1 /* vol+ */
+# define KEYBD_KP_DKIN1 0x2 /* vol- */
+# define KEYBD_KP_DKIN2 0x3 /* multi */
+# define KEYBD_KP_DKIN5 0x4 /* SWKEY_GN */
+#endif /* DELTA_CHECK_KEYBD */
+
/*
* select serial console configuration
*/
diff --git a/include/configs/zylonite.h b/include/configs/zylonite.h
index 4232d50..c6aa8ec 100644
--- a/include/configs/zylonite.h
+++ b/include/configs/zylonite.h
@@ -76,14 +76,17 @@
#define CONFIG_BAUDRATE 115200
-/* #define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_MMC | CFG_CMD_FAT) */
#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_ENV \
+ | CFG_CMD_NAND) \
+ & ~(CFG_CMD_NET \
+ | CFG_CMD_FLASH \
+ | CFG_CMD_IMLS))
#endif
-
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
@@ -127,8 +130,11 @@
#define CFG_LOAD_ADDR (CFG_DRAM_BASE + 0x8000) /* default load address */
-#define CFG_HZ 3686400 /* incrementer freq: 3.6864 MHz */
-#define CFG_CPUSPEED 0x161 /* set core clock to 400/200/100 MHz */
+#define CFG_HZ 3250000 /* incrementer freq: 3.25 MHz */
+
+/* Monahans Core Frequency */
+#define CFG_MONAHANS_RUN_MODE_OSC_RATIO 16 /* valid values: 8, 16, 24, 31 */
+#define CFG_MONAHANS_TURBO_RUN_MODE_RATIO 1 /* valid values: 1, 2 */
/* valid baudrates */
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
@@ -159,98 +165,64 @@
#define PHYS_SDRAM_4 0xac000000 /* SDRAM Bank #4 */
#define PHYS_SDRAM_4_SIZE 0x00000000 /* 0 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 0x80000000 /* at CS0 */
+#define CFG_DRAM_SIZE 0x04000000 /* 64 MB Ram */
-#define CFG_DRAM_BASE 0xa0000000
-#define CFG_DRAM_SIZE 0x04000000
+#undef CFG_SKIP_DRAM_SCRUB
-#define CFG_FLASH_BASE PHYS_FLASH_1
-
-#define FPGA_REGS_BASE_PHYSICAL 0x08000000
/*
- * GPIO settings
+ * NAND Flash
*/
-#define CFG_GPSR0_VAL 0x00008000
-#define CFG_GPSR1_VAL 0x00FC0382
-#define CFG_GPSR2_VAL 0x0001FFFF
-#define CFG_GPCR0_VAL 0x00000000
-#define CFG_GPCR1_VAL 0x00000000
-#define CFG_GPCR2_VAL 0x00000000
-#define CFG_GPDR0_VAL 0x0060A800
-#define CFG_GPDR1_VAL 0x00FF0382
-#define CFG_GPDR2_VAL 0x0001C000
-#define CFG_GAFR0_L_VAL 0x98400000
-#define CFG_GAFR0_U_VAL 0x00002950
-#define CFG_GAFR1_L_VAL 0x000A9558
-#define CFG_GAFR1_U_VAL 0x0005AAAA
-#define CFG_GAFR2_L_VAL 0xA0000000
-#define CFG_GAFR2_U_VAL 0x00000002
-
-#define CFG_PSSR_VAL 0x20
+/* Use the new NAND code. (BOARDLIBS = drivers/nand/libnand.a required) */
+#define CONFIG_NEW_NAND_CODE
+#define CFG_NAND0_BASE 0x0
+#undef CFG_NAND1_BASE
-/*
- * Memory settings
- */
-#define CFG_MSC0_VAL 0x23F223F2
-#define CFG_MSC1_VAL 0x3FF1A441
-#define CFG_MSC2_VAL 0x7FF97FF1
-#define CFG_MDCNFG_VAL 0x00001AC9
-#define CFG_MDREFR_VAL 0x00018018
-#define CFG_MDMRS_VAL 0x00000000
+#define CFG_NAND_BASE_LIST { CFG_NAND0_BASE }
+#define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */
-/*
- * PCMCIA and CF Interfaces
- */
-#define CFG_MECR_VAL 0x00000000
-#define CFG_MCMEM0_VAL 0x00010504
-#define CFG_MCMEM1_VAL 0x00010504
-#define CFG_MCATT0_VAL 0x00010504
-#define CFG_MCATT1_VAL 0x00010504
-#define CFG_MCIO0_VAL 0x00004715
-#define CFG_MCIO1_VAL 0x00004715
+/* nand timeout values */
+#define CFG_NAND_PROG_ERASE_TO 3000
+#define CFG_NAND_OTHER_TO 100
+#define CFG_NAND_SENDCMD_RETRY 3
+#undef NAND_ALLOW_ERASE_ALL /* Allow erasing bad blocks - don't use */
-#define _LED 0x08000010
-#define LED_BLANK 0x08000040
+/* 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
-/*
- * FLASH and environment organization
- */
-#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
-#define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */
+#define NAND_TIMING_tRH 20
+#define NAND_TIMING_tRP 40
-/* timeout values are in ticks */
-#define CFG_FLASH_ERASE_TOUT (25*CFG_HZ) /* Timeout for Flash Erase */
-#define CFG_FLASH_WRITE_TOUT (25*CFG_HZ) /* Timeout for Flash Write */
+#define NAND_TIMING_tR 11123
+#define NAND_TIMING_tWHR 100
+#define NAND_TIMING_tAR 10
-/* 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
+/* NAND debugging */
+#define CFG_DFC_DEBUG1 /* usefull */
+#undef CFG_DFC_DEBUG2 /* noisy */
+#undef CFG_DFC_DEBUG3 /* extremly noisy */
-#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)
+#define CONFIG_MTD_DEBUG
+#define CONFIG_MTD_DEBUG_VERBOSE 1
+#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
+
+#define CFG_ENV_IS_IN_NAND 1
+#define CFG_ENV_OFFSET 0x40000
+#define CFG_ENV_OFFSET_REDUND 0x44000
+#define CFG_ENV_SIZE 0x4000
-/*
- * 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
#endif /* __CONFIG_H */
diff --git a/lib_arm/board.c b/lib_arm/board.c
index 1028b04..babc254 100644
--- a/lib_arm/board.c
+++ b/lib_arm/board.c
@@ -297,7 +297,7 @@ void start_armboot (void)
mem_malloc_init (_armboot_start - CFG_MALLOC_LEN);
#if (CONFIG_COMMANDS & CFG_CMD_NAND)
- puts ("NAND:");
+ puts ("NAND: ");
nand_init(); /* go init the NAND */
#endif
diff --git a/lib_m68k/board.c b/lib_m68k/board.c
index e25833b..80c41a6 100644
--- a/lib_m68k/board.c
+++ b/lib_m68k/board.c
@@ -631,7 +631,7 @@ void board_init_r (gd_t *id, ulong dest_addr)
#if (CONFIG_COMMANDS & CFG_CMD_NAND)
WATCHDOG_RESET ();
- puts ("NAND:");
+ puts ("NAND: ");
nand_init(); /* go init the NAND */
#endif
generated by cgit v1.1 at 2024-11-17 12:00:07 +0000