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-rw-r--r--board/sbc8260/flash.c392
-rw-r--r--board/sbc8260/sbc8260.c289
2 files changed, 681 insertions, 0 deletions
diff --git a/board/sbc8260/flash.c b/board/sbc8260/flash.c
new file mode 100644
index 0000000..ab2bf35
--- /dev/null
+++ b/board/sbc8260/flash.c
@@ -0,0 +1,392 @@
+/*
+ * (C) Copyright 2000
+ * Marius Groeger <mgroeger@sysgo.de>
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ *
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Flash Routines for AMD 29F080B devices
+ *
+ *--------------------------------------------------------------------
+ * 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 <mpc8xx.h>
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+
+static ulong flash_get_size (vu_long *addr, flash_info_t *info);
+static int write_word (flash_info_t *info, ulong dest, ulong data);
+
+/*-----------------------------------------------------------------------
+ */
+
+unsigned long flash_init (void)
+{
+ unsigned long size;
+ int i;
+
+ /* Init: no FLASHes known */
+ for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) {
+ flash_info[i].flash_id = FLASH_UNKNOWN;
+ }
+
+ /* for now, only support the 4 MB Flash SIMM */
+ size = flash_get_size((vu_long *)CFG_FLASH0_BASE, &flash_info[0]);
+
+ /*
+ * protect monitor and environment sectors
+ */
+
+#if CFG_MONITOR_BASE >= CFG_FLASH0_BASE
+ flash_protect(FLAG_PROTECT_SET,
+ CFG_MONITOR_BASE,
+ CFG_MONITOR_BASE+CFG_MONITOR_LEN-1,
+ &flash_info[0]);
+#endif
+
+#if (CFG_ENV_IS_IN_FLASH == 1) && defined(CFG_ENV_ADDR)
+# ifndef CFG_ENV_SIZE
+# define CFG_ENV_SIZE CFG_ENV_SECT_SIZE
+# endif
+ flash_protect(FLAG_PROTECT_SET,
+ CFG_ENV_ADDR,
+ CFG_ENV_ADDR + CFG_ENV_SIZE - 1,
+ &flash_info[0]);
+#endif
+
+ return /*size*/ (CFG_FLASH0_SIZE * 1024 * 1024);
+}
+
+/*-----------------------------------------------------------------------
+ */
+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 >> 16) & 0xff) {
+ case 0x1:
+ printf ("AMD ");
+ break;
+ default:
+ printf ("Unknown Vendor ");
+ break;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case AMD_ID_F040B:
+ printf ("AM29F040B (4 Mbit)\n");
+ break;
+ case AMD_ID_F080B:
+ printf ("AM29F080B (8 Mbit)\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 (vu_long *addr, flash_info_t *info)
+{
+ short i;
+ vu_long vendor, devid;
+ ulong base = (ulong)addr;
+
+/* printf("addr = %08lx\n", (unsigned long)addr); */
+
+ /* Reset and Write auto select command: read Manufacturer ID */
+ addr[0] = 0xf0f0f0f0;
+ addr[0x0555] = 0xAAAAAAAA;
+ addr[0x02AA] = 0x55555555;
+ addr[0x0555] = 0x90909090;
+ udelay (1000);
+
+ vendor = addr[0];
+/* printf("vendor = %08lx\n", vendor); */
+ if (vendor != 0x01010101) {
+ info->size = 0;
+ goto out;
+ }
+
+ devid = addr[1];
+/* printf("devid = %08lx\n", devid); */
+
+ if ((devid & 0xff) == AMD_ID_F080B) {
+ info->flash_id = (vendor & 0xff) << 16 | AMD_ID_F080B;
+ /* we have 16 sectors with 64KB each x 4 */
+ info->sector_count = 16;
+ info->size = 4 * info->sector_count * 64*1024;
+ }
+ else {
+ info->size = 0;
+ goto out;
+ }
+
+ /* check for protected sectors */
+ for (i = 0; i < info->sector_count; i++) {
+ /* sector base address */
+ info->start[i] = base + i * (info->size / info->sector_count);
+ /* read sector protection at sector address, (A7 .. A0) = 0x02 */
+ /* D0 = 1 if protected */
+ addr = (volatile unsigned long *)(info->start[i]);
+ info->protect[i] = addr[2] & 1;
+ }
+
+ /* reset command */
+ addr = (vu_long *)info->start[0];
+
+out:
+ addr[0] = 0xf0f0f0f0;
+
+ return info->size;
+}
+
+
+/*-----------------------------------------------------------------------
+ */
+
+int flash_erase (flash_info_t *info, int s_first, int s_last)
+{
+ vu_long *addr = (vu_long*)(info->start[0]);
+ int flag, prot, sect, l_sect;
+ ulong start, now, last;
+
+ 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;
+ }
+
+ 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");
+ }
+
+ l_sect = -1;
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+ addr[0x0555] = 0xAAAAAAAA;
+ addr[0x02AA] = 0x55555555;
+ addr[0x0555] = 0x80808080;
+ addr[0x0555] = 0xAAAAAAAA;
+ addr[0x02AA] = 0x55555555;
+ udelay (100);
+
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect<=s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+ addr = (vu_long*)(info->start[sect]);
+ addr[0] = 0x30303030;
+ l_sect = sect;
+ }
+ }
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ /* wait at least 80us - let's wait 1 ms */
+ udelay (1000);
+
+ /*
+ * We wait for the last triggered sector
+ */
+ if (l_sect < 0)
+ goto DONE;
+
+ start = get_timer (0);
+ last = start;
+ addr = (vu_long*)(info->start[l_sect]);
+ while ((addr[0] & 0x80808080) != 0x80808080) {
+ if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
+ printf ("Timeout\n");
+ return 1;
+ }
+ /* show that we're waiting */
+ if ((now - last) > 1000) { /* every second */
+ serial_putc ('.');
+ last = now;
+ }
+ }
+
+ DONE:
+ /* reset to read mode */
+ addr = (volatile unsigned long *)info->start[0];
+ addr[0] = 0xF0F0F0F0; /* reset bank */
+
+ printf (" done\n");
+ return 0;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+
+int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
+{
+ ulong cp, wp, data;
+ int i, l, rc;
+
+ wp = (addr & ~3); /* get lower word aligned address */
+
+ /*
+ * 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<4 && cnt>0; ++i) {
+ data = (data << 8) | *src++;
+ --cnt;
+ ++cp;
+ }
+ for (; cnt==0 && i<4; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *)cp);
+ }
+
+ if ((rc = write_word(info, wp, data)) != 0) {
+ return (rc);
+ }
+ wp += 4;
+ }
+
+ /*
+ * handle word aligned part
+ */
+ while (cnt >= 4) {
+ data = 0;
+ for (i=0; i<4; ++i) {
+ data = (data << 8) | *src++;
+ }
+ if ((rc = write_word(info, wp, data)) != 0) {
+ return (rc);
+ }
+ wp += 4;
+ cnt -= 4;
+ }
+
+ if (cnt == 0) {
+ return (0);
+ }
+
+ /*
+ * handle unaligned tail bytes
+ */
+ data = 0;
+ for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) {
+ data = (data << 8) | *src++;
+ --cnt;
+ }
+ for (; i<4; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *)cp);
+ }
+
+ return (write_word(info, wp, data));
+}
+
+/*-----------------------------------------------------------------------
+ * Write a word to Flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_word (flash_info_t *info, ulong dest, ulong data)
+{
+ vu_long *addr = (vu_long*)(info->start[0]);
+ ulong start;
+ int flag;
+
+ /* Check if Flash is (sufficiently) erased */
+ if ((*((vu_long *)dest) & data) != data) {
+ return (2);
+ }
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+ addr[0x0555] = 0xAAAAAAAA;
+ addr[0x02AA] = 0x55555555;
+ addr[0x0555] = 0xA0A0A0A0;
+
+ *((vu_long *)dest) = data;
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ /* data polling for D7 */
+ start = get_timer (0);
+ while ((*((vu_long *)dest) & 0x80808080) != (data & 0x80808080)) {
+ if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
+ return (1);
+ }
+ }
+ return (0);
+}
+
+/*-----------------------------------------------------------------------
+ */
diff --git a/board/sbc8260/sbc8260.c b/board/sbc8260/sbc8260.c
new file mode 100644
index 0000000..48aefa0
--- /dev/null
+++ b/board/sbc8260/sbc8260.c
@@ -0,0 +1,289 @@
+/*
+ * (C) Copyright 2000
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2001
+ * Advent Networks, Inc. <http://www.adventnetworks.com>
+ * Jay Monkman <jtm@smoothsmoothie.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 <ioports.h>
+#include <mpc8260.h>
+
+/*
+ * I/O Port configuration table
+ *
+ * if conf is 1, then that port pin will be configured at boot time
+ * according to the five values podr/pdir/ppar/psor/pdat for that entry
+ */
+
+const iop_conf_t iop_conf_tab[4][32] = {
+
+ /* Port A configuration */
+ { /* conf ppar psor pdir podr pdat */
+ /* PA31 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 *ATMTXEN */
+ /* PA30 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMTCA */
+ /* PA29 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMTSOC */
+ /* PA28 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 *ATMRXEN */
+ /* PA27 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMRSOC */
+ /* PA26 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMRCA */
+ /* PA25 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[0] */
+ /* PA24 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[1] */
+ /* PA23 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[2] */
+ /* PA22 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[3] */
+ /* PA21 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[4] */
+ /* PA20 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[5] */
+ /* PA19 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[6] */
+ /* PA18 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[7] */
+ /* PA17 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[7] */
+ /* PA16 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[6] */
+ /* PA15 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[5] */
+ /* PA14 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[4] */
+ /* PA13 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[3] */
+ /* PA12 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[2] */
+ /* PA11 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[1] */
+ /* PA10 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[0] */
+ /* PA9 */ { 1, 1, 0, 1, 0, 0 }, /* SMC2 TXD */
+ /* PA8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC2 RXD */
+ /* PA7 */ { 1, 0, 0, 1, 0, 0 }, /* PA7 */
+ /* PA6 */ { 1, 0, 0, 1, 0, 0 }, /* PA6 */
+ /* PA5 */ { 1, 0, 0, 1, 0, 0 }, /* PA5 */
+ /* PA4 */ { 1, 0, 0, 1, 0, 0 }, /* PA4 */
+ /* PA3 */ { 1, 0, 0, 1, 0, 0 }, /* PA3 */
+ /* PA2 */ { 1, 0, 0, 1, 0, 0 }, /* PA2 */
+ /* PA1 */ { 1, 0, 0, 1, 0, 0 }, /* PA1 */
+ /* PA0 */ { 1, 0, 0, 1, 0, 0 } /* PA0 */
+ },
+
+ /* Port B configuration */
+ { /* conf ppar psor pdir podr pdat */
+ /* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */
+ /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */
+ /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */
+ /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */
+ /* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */
+ /* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */
+ /* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */
+ /* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */
+ /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */
+ /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */
+ /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */
+ /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */
+ /* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */
+ /* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */
+ /* PB17 */ { 1, 0, 0, 1, 0, 0 }, /* PB17 */
+ /* PB16 */ { 1, 0, 0, 1, 0, 0 }, /* PB16 */
+ /* PB15 */ { 1, 0, 0, 1, 0, 0 }, /* PB15 */
+ /* PB14 */ { 1, 0, 0, 1, 0, 0 }, /* PB14 */
+ /* PB13 */ { 1, 0, 0, 1, 0, 0 }, /* PB13 */
+ /* PB12 */ { 1, 0, 0, 1, 0, 0 }, /* PB12 */
+ /* PB11 */ { 1, 0, 0, 1, 0, 0 }, /* PB11 */
+ /* PB10 */ { 1, 0, 0, 1, 0, 0 }, /* PB10 */
+ /* PB9 */ { 1, 0, 0, 1, 0, 0 }, /* PB9 */
+ /* PB8 */ { 1, 0, 0, 1, 0, 0 }, /* PB8 */
+ /* PB7 */ { 1, 0, 0, 1, 0, 0 }, /* PB7 */
+ /* PB6 */ { 1, 0, 0, 1, 0, 0 }, /* PB6 */
+ /* PB5 */ { 1, 0, 0, 1, 0, 0 }, /* PB5 */
+ /* PB4 */ { 1, 0, 0, 1, 0, 0 }, /* PB4 */
+ /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
+ /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
+ /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
+ /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
+ },
+
+ /* Port C */
+ { /* conf ppar psor pdir podr pdat */
+ /* PC31 */ { 1, 0, 0, 1, 0, 0 }, /* PC31 */
+ /* PC30 */ { 1, 0, 0, 1, 0, 0 }, /* PC30 */
+ /* PC29 */ { 1, 1, 1, 0, 0, 0 }, /* SCC1 EN *CLSN */
+ /* PC28 */ { 1, 0, 0, 1, 0, 0 }, /* PC28 */
+ /* PC27 */ { 1, 0, 0, 1, 0, 0 }, /* PC27 */
+ /* PC26 */ { 1, 0, 0, 1, 0, 0 }, /* PC26 */
+ /* PC25 */ { 1, 0, 0, 1, 0, 0 }, /* PC25 */
+ /* PC24 */ { 1, 0, 0, 1, 0, 0 }, /* PC24 */
+ /* PC23 */ { 1, 1, 0, 1, 0, 0 }, /* ATMTFCLK */
+ /* PC22 */ { 1, 1, 0, 0, 0, 0 }, /* ATMRFCLK */
+ /* PC21 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */
+ /* PC20 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */
+ /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK */
+ /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII TX_CLK */
+ /* PC17 */ { 1, 0, 0, 1, 0, 0 }, /* PC17 */
+ /* PC16 */ { 1, 0, 0, 1, 0, 0 }, /* PC16 */
+ /* PC15 */ { 1, 0, 0, 1, 0, 0 }, /* PC15 */
+ /* PC14 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN *CD */
+ /* PC13 */ { 1, 0, 0, 1, 0, 0 }, /* PC13 */
+ /* PC12 */ { 1, 0, 0, 1, 0, 0 }, /* PC12 */
+ /* PC11 */ { 1, 0, 0, 1, 0, 0 }, /* PC11 */
+ /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* FCC2 MDC */
+ /* PC9 */ { 1, 0, 0, 1, 0, 0 }, /* FCC2 MDIO */
+ /* PC8 */ { 1, 0, 0, 1, 0, 0 }, /* PC8 */
+ /* PC7 */ { 1, 0, 0, 1, 0, 0 }, /* PC7 */
+ /* PC6 */ { 1, 0, 0, 1, 0, 0 }, /* PC6 */
+ /* PC5 */ { 1, 0, 0, 1, 0, 0 }, /* PC5 */
+ /* PC4 */ { 1, 0, 0, 1, 0, 0 }, /* PC4 */
+ /* PC3 */ { 1, 0, 0, 1, 0, 0 }, /* PC3 */
+ /* PC2 */ { 1, 0, 0, 1, 0, 1 }, /* ENET FDE */
+ /* PC1 */ { 1, 0, 0, 1, 0, 0 }, /* ENET DSQE */
+ /* PC0 */ { 1, 0, 0, 1, 0, 0 }, /* ENET LBK */
+ },
+
+ /* Port D */
+ { /* conf ppar psor pdir podr pdat */
+ /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RxD */
+ /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 EN TxD */
+ /* PD29 */ { 1, 1, 0, 1, 0, 0 }, /* SCC1 EN TENA */
+ /* PD28 */ { 1, 0, 0, 1, 0, 0 }, /* PD28 */
+ /* PD27 */ { 1, 0, 0, 1, 0, 0 }, /* PD27 */
+ /* PD26 */ { 1, 0, 0, 1, 0, 0 }, /* PD26 */
+ /* PD25 */ { 1, 0, 0, 1, 0, 0 }, /* PD25 */
+ /* PD24 */ { 1, 0, 0, 1, 0, 0 }, /* PD24 */
+ /* PD23 */ { 1, 0, 0, 1, 0, 0 }, /* PD23 */
+ /* PD22 */ { 1, 0, 0, 1, 0, 0 }, /* PD22 */
+ /* PD21 */ { 1, 0, 0, 1, 0, 0 }, /* PD21 */
+ /* PD20 */ { 1, 0, 0, 1, 0, 0 }, /* PD20 */
+ /* PD19 */ { 1, 0, 0, 1, 0, 0 }, /* PD19 */
+ /* PD18 */ { 1, 0, 0, 1, 0, 0 }, /* PD18 */
+ /* PD17 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */
+ /* PD16 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */
+#if defined(CONFIG_SOFT_I2C)
+ /* PD15 */ { 1, 0, 0, 1, 1, 1 }, /* I2C SDA */
+ /* PD14 */ { 1, 0, 0, 1, 1, 1 }, /* I2C SCL */
+#else
+#if defined(CONFIG_HARD_I2C)
+ /* PD15 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SDA */
+ /* PD14 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SCL */
+#else /* normal I/O port pins */
+ /* PD15 */ { 1, 0, 0, 1, 0, 0 }, /* I2C SDA */
+ /* PD14 */ { 1, 0, 0, 1, 0, 0 }, /* I2C SCL */
+#endif
+#endif
+ /* PD13 */ { 1, 0, 0, 0, 0, 0 }, /* PD13 */
+ /* PD12 */ { 1, 0, 0, 0, 0, 0 }, /* PD12 */
+ /* PD11 */ { 1, 0, 0, 0, 0, 0 }, /* PD11 */
+ /* PD10 */ { 1, 0, 0, 0, 0, 0 }, /* PD10 */
+ /* PD9 */ { 1, 1, 0, 1, 0, 0 }, /* SMC1 TXD */
+ /* PD8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC1 RXD */
+ /* PD7 */ { 1, 0, 0, 1, 0, 1 }, /* PD7 */
+ /* PD6 */ { 1, 0, 0, 1, 0, 1 }, /* PD6 */
+ /* PD5 */ { 1, 0, 0, 1, 0, 1 }, /* PD5 */
+ /* PD4 */ { 1, 0, 0, 1, 0, 1 }, /* PD4 */
+ /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
+ /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
+ /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
+ /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
+ }
+};
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Check Board Identity:
+ */
+
+int checkboard (void)
+{
+ puts ("Board: EST SBC8260\n");
+ return 0;
+}
+
+/* ------------------------------------------------------------------------- */
+
+long int initdram (int board_type)
+{
+ volatile immap_t *immap = (immap_t *) CFG_IMMR;
+ volatile memctl8260_t *memctl = &immap->im_memctl;
+ volatile uchar c = 0, *ramaddr = (uchar *) (CFG_SDRAM_BASE + 0x8);
+ ulong psdmr = CFG_PSDMR;
+ int i;
+
+ /*
+ * Quote from 8260 UM (10.4.2 SDRAM Power-On Initialization, 10-35):
+ *
+ * "At system reset, initialization software must set up the
+ * programmable parameters in the memory controller banks registers
+ * (ORx, BRx, P/LSDMR). After all memory parameters are configured,
+ * system software should execute the following initialization sequence
+ * for each SDRAM device.
+ *
+ * 1. Issue a PRECHARGE-ALL-BANKS command
+ * 2. Issue eight CBR REFRESH commands
+ * 3. Issue a MODE-SET command to initialize the mode register
+ *
+ * The initial commands are executed by setting P/LSDMR[OP] and
+ * accessing the SDRAM with a single-byte transaction."
+ *
+ * The appropriate BRx/ORx registers have already been set when we
+ * get here. The SDRAM can be accessed at the address CFG_SDRAM_BASE.
+ */
+
+ memctl->memc_psrt = CFG_PSRT;
+ memctl->memc_mptpr = CFG_MPTPR;
+
+ memctl->memc_psdmr = psdmr | PSDMR_OP_PREA;
+ *ramaddr = c;
+
+ memctl->memc_psdmr = psdmr | PSDMR_OP_CBRR;
+ for (i = 0; i < 8; i++)
+ *ramaddr = c;
+
+ memctl->memc_psdmr = psdmr | PSDMR_OP_MRW;
+ *ramaddr = c;
+
+ memctl->memc_psdmr = psdmr | PSDMR_OP_NORM | PSDMR_RFEN;
+ *ramaddr = c;
+
+ /* return total ram size */
+ return (CFG_SDRAM0_SIZE * 1024 * 1024);
+}
+
+#ifdef CONFIG_MISC_INIT_R
+/* ------------------------------------------------------------------------- */
+int misc_init_r (void)
+{
+#ifdef CFG_LED_BASE
+ uchar ds = *(unsigned char *) (CFG_LED_BASE + 1);
+ uchar ss;
+ uchar tmp[64];
+ int res;
+
+ if ((ds != 0) && (ds != 0xff)) {
+ res = getenv_r ("ethaddr", tmp, sizeof (tmp));
+ if (res > 0) {
+ ss = ((ds >> 4) & 0x0f);
+ ss += ss < 0x0a ? '0' : ('a' - 10);
+ tmp[15] = ss;
+
+ ss = (ds & 0x0f);
+ ss += ss < 0x0a ? '0' : ('a' - 10);
+ tmp[16] = ss;
+
+ tmp[17] = '\0';
+ setenv ("ethaddr", tmp);
+ /* set the led to show the address */
+ *((unsigned char *) (CFG_LED_BASE + 1)) = ds;
+ }
+ }
+#endif /* CFG_LED_BASE */
+ return (0);
+}
+#endif /* CONFIG_MISC_INIT_R */
generated by cgit v1.1 at 2024-11-24 13:23:24 +0000