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-rw-r--r--board/gw8260/flash.c523
-rw-r--r--board/gw8260/gw8260.c659
2 files changed, 1182 insertions, 0 deletions
diff --git a/board/gw8260/flash.c b/board/gw8260/flash.c
new file mode 100644
index 0000000..532dd19
--- /dev/null
+++ b/board/gw8260/flash.c
@@ -0,0 +1,523 @@
+/*
+ * (C) Copyright 2000
+ * Marius Groeger <mgroeger@sysgo.de>
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ *
+ * (C) Copyright 2000, 2001
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2001
+ * Advent Networks, Inc. <http://www.adventnetworks.com>
+ * Oliver Brown <oliverb@alumni.utexas.net>
+ *
+ *--------------------------------------------------------------------
+ * 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
+ */
+
+/*********************************************************************/
+/* DESCRIPTION:
+ * This file contains the flash routines for the GW8260 board.
+ *
+ *
+ *
+ * MODULE DEPENDENCY:
+ * None
+ *
+ *
+ * RESTRICTIONS/LIMITATIONS:
+ *
+ * Only supports the following flash devices:
+ * AMD 29F080B
+ * AMD 29F016D
+ *
+ * Copyright (c) 2001, Advent Networks, Inc.
+ *
+ */
+/*********************************************************************/
+
+#include <common.h>
+#include <mpc8260.h>
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
+
+static ulong flash_get_size (vu_long *addr, flash_info_t *info);
+static int write_word (flash_info_t *info, ulong dest, ulong data);
+
+/*********************************************************************/
+/* functions */
+/*********************************************************************/
+
+/*********************************************************************/
+/* NAME: flash_init() - initializes flash banks */
+/* */
+/* DESCRIPTION: */
+/* This function initializes the flash bank(s). */
+/* */
+/* RETURNS: */
+/* The size in bytes of the flash */
+/* */
+/* RESTRICTIONS/LIMITATIONS: */
+/* */
+/* */
+/*********************************************************************/
+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 (CFG_FLASH0_SIZE * 1024 * 1024); /*size*/
+}
+
+/*********************************************************************/
+/* NAME: flash_print_info() - prints flash imformation */
+/* */
+/* DESCRIPTION: */
+/* This function prints the flash information. */
+/* */
+/* INPUTS: */
+/* flash_info_t *info - flash information structure */
+/* */
+/* OUTPUTS: */
+/* Displays flash information to console */
+/* */
+/* RETURNS: */
+/* None */
+/* */
+/* RESTRICTIONS/LIMITATIONS: */
+/* */
+/* */
+/*********************************************************************/
+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;
+ case AMD_ID_F016D:
+ printf ("AM29F016D (16 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! */
+/*********************************************************************/
+
+/*********************************************************************/
+/* NAME: flash_get_size() - detects the flash size */
+/* */
+/* DESCRIPTION: */
+/* 1) Reads vendor ID and devices ID from the flash devices. */
+/* 2) Initializes flash info struct. */
+/* 3) Return the flash size */
+/* */
+/* INPUTS: */
+/* vu_long *addr - pointer to start of flash */
+/* flash_info_t *info - flash information structure */
+/* */
+/* OUTPUTS: */
+/* None */
+/* */
+/* RETURNS: */
+/* Size of the flash in bytes, or 0 if device id is unknown. */
+/* */
+/* RESTRICTIONS/LIMITATIONS: */
+/* Only supports the following devices: */
+/* AM29F080D */
+/* AM29F016D */
+/* */
+/*********************************************************************/
+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[0x0000] = 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 if ((devid & 0xff) == AMD_ID_F016D){
+ info->flash_id = (vendor & 0xff) << 16 | AMD_ID_F016D;
+ /* we have 32 sectors with 64KB each x 4 */
+ info->sector_count = 32;
+ info->size = 4 * info->sector_count * 64*1024;
+ } else {
+ info->size = 0;
+ goto out;
+ }
+ /*printf("sector count = %08x\n", info->sector_count); */
+ /* 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;
+
+ /*printf("size = %08x\n", info->size); */
+ return info->size;
+}
+
+/*********************************************************************/
+/* NAME: flash_erase() - erases flash by sector */
+/* */
+/* DESCRIPTION: */
+/* This function erases flash sectors starting for s_first to */
+/* s_last. */
+/* */
+/* INPUTS: */
+/* flash_info_t *info - flash information structure */
+/* int s_first - first sector to erase */
+/* int s_last - last sector to erase */
+/* */
+/* OUTPUTS: */
+/* None */
+/* */
+/* RETURNS: */
+/* Returns 0 for success, 1 for failure. */
+/* */
+/* RESTRICTIONS/LIMITATIONS: */
+/* */
+/*********************************************************************/
+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;
+}
+
+/*********************************************************************/
+/* NAME: write_buff() - writes a buffer to flash */
+/* */
+/* DESCRIPTION: */
+/* This function copies a buffer, *src, to flash. */
+/* */
+/* INPUTS: */
+/* flash_info_t *info - flash information structure */
+/* uchar *src - pointer to buffer to write to flash */
+/* ulong addr - address to start write at */
+/* ulong cnt - number of bytes to write to flash */
+/* */
+/* OUTPUTS: */
+/* None */
+/* */
+/* RETURNS: */
+/* 0 - OK */
+/* 1 - write timeout */
+/* 2 - Flash not erased */
+/* */
+/* RESTRICTIONS/LIMITATIONS: */
+/* */
+/*********************************************************************/
+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));
+}
+
+/*********************************************************************/
+/* NAME: write_word() - writes a word to flash */
+/* */
+/* DESCRIPTION: */
+/* This writes a single word to flash. */
+/* */
+/* INPUTS: */
+/* flash_info_t *info - flash information structure */
+/* ulong dest - address to write */
+/* ulong data - data to write */
+/* */
+/* OUTPUTS: */
+/* None */
+/* */
+/* RETURNS: */
+/* 0 - OK */
+/* 1 - write timeout */
+/* 2 - Flash not erased */
+/* */
+/* RESTRICTIONS/LIMITATIONS: */
+/* */
+/*********************************************************************/
+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);
+}
+/*********************************************************************/
+/* End of flash.c */
+/*********************************************************************/
diff --git a/board/gw8260/gw8260.c b/board/gw8260/gw8260.c
new file mode 100644
index 0000000..7ca1989
--- /dev/null
+++ b/board/gw8260/gw8260.c
@@ -0,0 +1,659 @@
+/*
+ * (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>
+ *
+ * (C) Copyright 2001
+ * Advent Networks, Inc. <http://www.adventnetworks.com>
+ * Oliver Brown <oliverb@alumni.utexas.net>
+ *
+ * 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
+ */
+
+/*********************************************************************/
+/* DESCRIPTION:
+ * This file contains the board routines for the GW8260 board.
+ *
+ * MODULE DEPENDENCY:
+ * None
+ *
+ * RESTRICTIONS/LIMITATIONS:
+ * None
+ *
+ * Copyright (c) 2001, Advent Networks, Inc.
+ */
+/*********************************************************************/
+
+#include <common.h>
+#include <ioports.h>
+#include <mpc8260.h>
+
+/*
+ * I/O Port configuration table
+ *
+ */
+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 }, /* TP14 */
+ /* PA30 */ { 1, 1, 1, 1, 0, 0 }, /* US_RTS */
+ /* PA29 */ { 1, 0, 0, 1, 0, 1 }, /* LSSI_DATA */
+ /* PA28 */ { 1, 0, 0, 1, 0, 1 }, /* LSSI_CLK */
+ /* PA27 */ { 1, 0, 0, 1, 0, 0 }, /* TP12 */
+ /* PA26 */ { 1, 0, 0, 0, 0, 0 }, /* IO_STATUS */
+ /* PA25 */ { 1, 0, 0, 0, 0, 0 }, /* IO_CLOCK */
+ /* PA24 */ { 1, 0, 0, 0, 0, 0 }, /* IO_CONFIG */
+ /* PA23 */ { 1, 0, 0, 0, 0, 0 }, /* IO_DONE */
+ /* PA22 */ { 1, 0, 0, 0, 0, 0 }, /* IO_DATA */
+ /* PA21 */ { 1, 1, 0, 1, 0, 0 }, /* US_TXD3 */
+ /* PA20 */ { 1, 1, 0, 1, 0, 0 }, /* US_TXD2 */
+ /* PA19 */ { 1, 1, 0, 1, 0, 0 }, /* US_TXD1 */
+ /* PA18 */ { 1, 1, 0, 1, 0, 0 }, /* US_TXD0 */
+ /* PA17 */ { 1, 1, 0, 0, 0, 0 }, /* DS_RXD0 */
+ /* PA16 */ { 1, 1, 0, 0, 0, 0 }, /* DS_RXD1 */
+ /* PA15 */ { 1, 1, 0, 0, 0, 0 }, /* DS_RXD2 */
+ /* PA14 */ { 1, 1, 0, 0, 0, 0 }, /* DS_RXD3 */
+ /* PA13 */ { 1, 0, 0, 1, 0, 0 }, /* SPARE7 */
+ /* PA12 */ { 1, 0, 0, 1, 0, 0 }, /* SPARE6 */
+ /* PA11 */ { 1, 0, 0, 1, 0, 0 }, /* SPARE5 */
+ /* PA10 */ { 1, 0, 0, 1, 0, 0 }, /* SPARE4 */
+ /* PA9 */ { 1, 0, 0, 1, 0, 0 }, /* SPARE3 */
+ /* PA8 */ { 1, 0, 0, 1, 0, 0 }, /* SPARE2 */
+ /* PA7 */ { 1, 0, 0, 0, 0, 0 }, /* LSSI_IN */
+ /* PA6 */ { 1, 0, 0, 1, 0, 0 }, /* SPARE0 */
+ /* PA5 */ { 1, 0, 0, 1, 0, 0 }, /* DEMOD_RESET_ */
+ /* PA4 */ { 1, 0, 0, 1, 0, 0 }, /* MOD_RESET_ */
+ /* PA3 */ { 1, 0, 0, 1, 0, 0 }, /* IO_RESET */
+ /* PA2 */ { 1, 0, 0, 1, 0, 0 }, /* TX_ENABLE */
+ /* PA1 */ { 1, 0, 0, 0, 0, 0 }, /* RX_LOCK */
+ /* PA0 */ { 1, 0, 0, 1, 0, 1 } /* MPC_RESET_ */
+ },
+
+ /* Port B configuration */
+ { /* conf ppar psor pdir podr pdat */
+ /* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FETH0_TX_ER */
+ /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FETH0_RX_DV */
+ /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FETH0_TX_EN */
+ /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FETH0_RX_ER */
+ /* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FETH0_COL */
+ /* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FETH0_CRS */
+ /* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FETH0_TXD3 */
+ /* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FETH0_TXD2 */
+ /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FETH0_TXD1 */
+ /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FETH0_TXD0 */
+ /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FETH0_RXD0 */
+ /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FETH0_RXD1 */
+ /* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FETH0_RXD2 */
+ /* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FETH0_RXD3 */
+ /* PB17 */ { 1, 1, 0, 0, 0, 0 }, /* FETH1_RX_DV */
+ /* PB16 */ { 1, 1, 0, 0, 0, 0 }, /* FETH1_RX_ER */
+ /* PB15 */ { 1, 1, 0, 1, 0, 0 }, /* FETH1_TX_ER */
+ /* PB14 */ { 1, 1, 0, 1, 0, 0 }, /* FETH1_TX_EN */
+ /* PB13 */ { 1, 1, 0, 0, 0, 0 }, /* FETH1_COL */
+ /* PB12 */ { 1, 1, 0, 0, 0, 0 }, /* FETH1_CRS */
+ /* PB11 */ { 1, 1, 0, 0, 0, 0 }, /* FETH1_RXD3 */
+ /* PB10 */ { 1, 1, 0, 0, 0, 0 }, /* FETH1_RXD2 */
+ /* PB9 */ { 1, 1, 0, 0, 0, 0 }, /* FETH1_RXD1 */
+ /* PB8 */ { 1, 1, 0, 0, 0, 0 }, /* FETH1_RXD0 */
+ /* PB7 */ { 1, 1, 0, 1, 0, 0 }, /* FETH1_TXD0 */
+ /* PB6 */ { 1, 1, 0, 1, 0, 0 }, /* FETH1_TXD1 */
+ /* PB5 */ { 1, 1, 0, 1, 0, 0 }, /* FETH1_TXD2 */
+ /* PB4 */ { 1, 1, 0, 1, 0, 0 }, /* FETH1_TXD3 */
+ /* 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, 1 }, /* FAST_RESET_ */
+ /* PC30 */ { 1, 0, 0, 1, 0, 1 }, /* FAST_PAUSE_ */
+ /* PC29 */ { 1, 0, 0, 1, 0, 0 }, /* FAST_SLEW1 */
+ /* PC28 */ { 1, 0, 0, 1, 0, 0 }, /* FAST_SLEW0 */
+ /* PC27 */ { 1, 0, 0, 1, 0, 0 }, /* TP13 */
+ /* PC26 */ { 1, 0, 0, 0, 0, 0 }, /* RXDECDFLG */
+ /* PC25 */ { 1, 0, 0, 0, 0, 0 }, /* RXACQFAIL */
+ /* PC24 */ { 1, 0, 0, 0, 0, 0 }, /* RXACQFLG */
+ /* PC23 */ { 1, 0, 0, 1, 0, 0 }, /* WD_TCL */
+ /* PC22 */ { 1, 0, 0, 1, 0, 0 }, /* WD_EN */
+ /* PC21 */ { 1, 0, 0, 1, 0, 0 }, /* US_TXCLK */
+ /* PC20 */ { 1, 0, 0, 0, 0, 0 }, /* DS_RXCLK */
+ /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FETH0_RX_CLK */
+ /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FETH0_TX_CLK */
+ /* PC17 */ { 1, 1, 0, 0, 0, 0 }, /* FETH1_RX_CLK */
+ /* PC16 */ { 1, 1, 0, 0, 0, 0 }, /* FETH1_TX_CLK */
+ /* PC15 */ { 1, 0, 0, 1, 0, 0 }, /* TX_SHUTDOWN_ */
+ /* PC14 */ { 1, 0, 0, 0, 0, 0 }, /* RS_232_DTR_ */
+ /* PC13 */ { 1, 0, 0, 0, 0, 0 }, /* TXERR */
+ /* PC12 */ { 1, 0, 0, 1, 0, 1 }, /* FETH1_MDDIS */
+ /* PC11 */ { 1, 0, 0, 1, 0, 1 }, /* FETH0_MDDIS */
+ /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* MDC */
+ /* PC9 */ { 1, 0, 0, 1, 1, 1 }, /* MDIO */
+ /* PC8 */ { 1, 0, 0, 1, 1, 1 }, /* SER_NUM */
+ /* PC7 */ { 1, 1, 0, 0, 0, 0 }, /* US_CTS */
+ /* PC6 */ { 1, 1, 0, 0, 0, 0 }, /* DS_CD_ */
+ /* PC5 */ { 1, 0, 0, 1, 0, 0 }, /* FETH1_PWRDWN */
+ /* PC4 */ { 1, 0, 0, 1, 0, 0 }, /* FETH0_PWRDWN */
+ /* PC3 */ { 1, 0, 0, 1, 0, 0 }, /* MPULED3 */
+ /* PC2 */ { 1, 0, 0, 1, 0, 0 }, /* MPULED2 */
+ /* PC1 */ { 1, 0, 0, 1, 0, 0 }, /* MPULED1 */
+ /* PC0 */ { 1, 0, 0, 1, 0, 1 }, /* MPULED0 */
+ },
+
+ /* Port D */
+ { /* conf ppar psor pdir podr pdat */
+ /* PD31 */ { 1, 0, 0, 0, 0, 0 }, /* not used */
+ /* PD30 */ { 1, 0, 0, 0, 0, 0 }, /* not used */
+ /* PD29 */ { 1, 0, 0, 0, 0, 0 }, /* not used */
+ /* PD28 */ { 1, 0, 0, 0, 0, 0 }, /* not used */
+ /* PD27 */ { 1, 0, 0, 0, 0, 0 }, /* not used */
+ /* PD26 */ { 1, 0, 0, 0, 0, 0 }, /* not used */
+ /* PD25 */ { 1, 0, 0, 0, 0, 0 }, /* not used */
+ /* PD24 */ { 1, 0, 0, 0, 0, 0 }, /* not used */
+ /* PD23 */ { 1, 0, 0, 0, 0, 0 }, /* not used */
+ /* PD22 */ { 1, 0, 0, 0, 0, 0 }, /* not used */
+ /* PD21 */ { 1, 0, 0, 0, 0, 0 }, /* not used */
+ /* PD20 */ { 1, 0, 0, 0, 0, 0 }, /* not used */
+ /* PD19 */ { 1, 1, 1, 0, 0, 0 }, /* not used */
+ /* PD18 */ { 1, 1, 1, 0, 0, 0 }, /* not used */
+ /* PD17 */ { 1, 1, 1, 0, 0, 0 }, /* not used */
+ /* PD16 */ { 1, 1, 1, 0, 0, 0 }, /* not used */
+ /* PD15 */ { 1, 1, 1, 0, 1, 1 }, /* SDRAM_SDA */
+ /* PD14 */ { 1, 1, 1, 0, 1, 1 }, /* SDRAM_SCL */
+ /* PD13 */ { 1, 0, 0, 1, 0, 0 }, /* MPULED7 */
+ /* PD12 */ { 1, 0, 0, 1, 0, 0 }, /* MPULED6 */
+ /* PD11 */ { 1, 0, 0, 1, 0, 0 }, /* MPULED5 */
+ /* PD10 */ { 1, 0, 0, 1, 0, 0 }, /* MPULED4 */
+ /* PD9 */ { 1, 1, 0, 1, 0, 0 }, /* RS232_TXD */
+ /* PD8 */ { 1, 1, 0, 0, 0, 0 }, /* RD232_RXD */
+ /* PD7 */ { 1, 0, 0, 0, 0, 0 }, /* not used */
+ /* PD6 */ { 1, 0, 0, 0, 0, 0 }, /* not used */
+ /* PD5 */ { 1, 0, 0, 0, 0, 0 }, /* not used */
+ /* PD4 */ { 1, 0, 0, 0, 0, 0 }, /* not used */
+ /* 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 */
+ }
+};
+
+/*********************************************************************/
+/* NAME: checkboard() - Displays the board type and serial number */
+/* */
+/* OUTPUTS: */
+/* Displays the board type and serial number */
+/* */
+/* RETURNS: */
+/* Always returns 1 */
+/* */
+/* RESTRICTIONS/LIMITATIONS: */
+/* */
+/* */
+/*********************************************************************/
+int checkboard(void)
+{
+ char *str;
+ puts ("Board: Advent Networks gw8260\n");
+
+ str = getenv("serial#");
+ if (str != NULL) {
+ printf("SN: %s\n", str);
+ }
+ return 0;
+}
+
+
+#if defined (CFG_DRAM_TEST)
+/*********************************************************************/
+/* NAME: move64() - moves a double word (64-bit) */
+/* */
+/* DESCRIPTION: */
+/* this function performs a double word move from the data at */
+/* the source pointer to the location at the destination pointer. */
+/* */
+/* INPUTS: */
+/* unsigned long long *src - pointer to data to move */
+/* */
+/* OUTPUTS: */
+/* unsigned long long *dest - pointer to locate to move data */
+/* */
+/* RETURNS: */
+/* None */
+/* */
+/* RESTRICTIONS/LIMITATIONS: */
+/* May cloober fr0. */
+/* */
+/*********************************************************************/
+static void move64(unsigned long long *src, unsigned long long *dest)
+{
+ asm ("lfd 0, 0(3)\n\t" /* fpr0 = *scr */
+ "stfd 0, 0(4)" /* *dest = fpr0 */
+ : : : "fr0" ); /* Clobbers fr0 */
+ return;
+}
+
+
+#if defined (CFG_DRAM_TEST_DATA)
+
+unsigned long long pattern[]= {
+ 0xaaaaaaaaaaaaaaaa,
+ 0xcccccccccccccccc,
+ 0xf0f0f0f0f0f0f0f0,
+ 0xff00ff00ff00ff00,
+ 0xffff0000ffff0000,
+ 0xffffffff00000000,
+ 0x00000000ffffffff,
+ 0x0000ffff0000ffff,
+ 0x00ff00ff00ff00ff,
+ 0x0f0f0f0f0f0f0f0f,
+ 0x3333333333333333,
+ 0x5555555555555555};
+
+/*********************************************************************/
+/* NAME: mem_test_data() - test data lines for shorts and opens */
+/* */
+/* DESCRIPTION: */
+/* Tests data lines for shorts and opens by forcing adjacent data */
+/* to opposite states. Because the data lines could be routed in */
+/* an arbitrary manner the must ensure test patterns ensure that */
+/* every case is tested. By using the following series of binary */
+/* patterns every combination of adjacent bits is test regardless */
+/* of routing. */
+/* */
+/* ...101010101010101010101010 */
+/* ...110011001100110011001100 */
+/* ...111100001111000011110000 */
+/* ...111111110000000011111111 */
+/* */
+/* Carrying this out, gives us six hex patterns as follows: */
+/* */
+/* 0xaaaaaaaaaaaaaaaa */
+/* 0xcccccccccccccccc */
+/* 0xf0f0f0f0f0f0f0f0 */
+/* 0xff00ff00ff00ff00 */
+/* 0xffff0000ffff0000 */
+/* 0xffffffff00000000 */
+/* */
+/* The number test patterns will always be given by: */
+/* */
+/* log(base 2)(number data bits) = log2 (64) = 6 */
+/* */
+/* To test for short and opens to other signals on our boards. we */
+/* simply */
+/* test with the 1's complemnt of the paterns as well. */
+/* */
+/* OUTPUTS: */
+/* Displays failing test pattern */
+/* */
+/* RETURNS: */
+/* 0 - Passed test */
+/* 1 - Failed test */
+/* */
+/* RESTRICTIONS/LIMITATIONS: */
+/* Assumes only one one SDRAM bank */
+/* */
+/*********************************************************************/
+int mem_test_data(void)
+{
+ unsigned long long * pmem =
+ (unsigned long long *)CFG_SDRAM_BASE ;
+ unsigned long long temp64;
+ int num_patterns = sizeof(pattern)/ sizeof(pattern[0]);
+ int i;
+ unsigned int hi, lo;
+
+ for ( i = 0; i < num_patterns; i++) {
+ move64(&(pattern[i]), pmem);
+ move64(pmem, &temp64);
+
+ /* hi = (temp64>>32) & 0xffffffff; */
+ /* lo = temp64 & 0xffffffff; */
+ /* printf("\ntemp64 = 0x%08x%08x", hi, lo); */
+
+ hi = (pattern[i]>>32) & 0xffffffff;
+ lo = pattern[i] & 0xffffffff;
+ /* printf("\npattern[%d] = 0x%08x%08x", i, hi, lo); */
+
+ if (temp64 != pattern[i]){
+ printf ("\n Data Test Failed, pattern 0x%08x%08x", hi, lo);
+ return 1;
+ }
+ }
+
+ return 0;
+}
+#endif /* CFG_DRAM_TEST_DATA */
+
+#if defined (CFG_DRAM_TEST_ADDRESS)
+/*********************************************************************/
+/* NAME: mem_test_address() - test address lines */
+/* */
+/* DESCRIPTION: */
+/* This function performs a test to verify that each word im */
+/* memory is uniquly addressable. The test sequence is as follows: */
+/* */
+/* 1) write the address of each word to each word. */
+/* 2) verify that each location equals its address */
+/* */
+/* OUTPUTS: */
+/* Displays failing test pattern and address */
+/* */
+/* RETURNS: */
+/* 0 - Passed test */
+/* 1 - Failed test */
+/* */
+/* RESTRICTIONS/LIMITATIONS: */
+/* */
+/* */
+/*********************************************************************/
+int mem_test_address(void)
+{
+ volatile unsigned int * pmem = (volatile unsigned int *)CFG_SDRAM_BASE ;
+ const unsigned int size = (CFG_SDRAM_SIZE * 1024 * 1024)/4;
+ unsigned int i;
+
+ /* write address to each location */
+ for ( i = 0; i < size; i++) {
+ pmem[i] = i;
+ }
+
+ /* verify each loaction */
+ for ( i = 0; i < size; i++) {
+ if (pmem[i] != i) {
+ printf("\n Address Test Failed at 0x%x", i);
+ return 1;
+ }
+ }
+ return 0;
+}
+#endif /* CFG_DRAM_TEST_ADDRESS */
+
+#if defined (CFG_DRAM_TEST_WALK)
+/*********************************************************************/
+/* NAME: mem_march() - memory march */
+/* */
+/* DESCRIPTION: */
+/* Marches up through memory. At each location verifies rmask if */
+/* read = 1. At each location write wmask if write = 1. Displays */
+/* failing address and pattern. */
+/* */
+/* INPUTS: */
+/* volatile unsigned long long * base - start address of test */
+/* unsigned int size - number of dwords(64-bit) to test */
+/* unsigned long long rmask - read verify mask */
+/* unsigned long long wmask - wrtie verify mask */
+/* short read - verifies rmask if read = 1 */
+/* short write - writes wmask if write = 1 */
+/* */
+/* OUTPUTS: */
+/* Displays failing test pattern and address */
+/* */
+/* RETURNS: */
+/* 0 - Passed test */
+/* 1 - Failed test */
+/* */
+/* RESTRICTIONS/LIMITATIONS: */
+/* */
+/* */
+/*********************************************************************/
+int mem_march(volatile unsigned long long * base,
+ unsigned int size,
+ unsigned long long rmask,
+ unsigned long long wmask,
+ short read,
+ short write)
+{
+ unsigned int i;
+ unsigned long long temp;
+ unsigned int hitemp, lotemp, himask, lomask;
+
+ for (i = 0 ; i < size ; i++) {
+ if (read != 0) {
+ /* temp = base[i]; */
+ move64 ((unsigned long long *)&(base[i]), &temp);
+ if (rmask != temp) {
+ hitemp = (temp>>32) & 0xffffffff;
+ lotemp = temp & 0xffffffff;
+ himask = (rmask>>32) & 0xffffffff;
+ lomask = rmask & 0xffffffff;
+
+ printf("\n Walking one's test failed: address = 0x%08x,"
+ "\n\texpected 0x%08x%08x, found 0x%08x%08x",
+ i<<3, himask, lomask, hitemp, lotemp);
+ return 1;
+ }
+ }
+ if ( write != 0 ) {
+ /* base[i] = wmask; */
+ move64 (&wmask, (unsigned long long *)&(base[i]));
+ }
+ }
+ return 0;
+}
+#endif /* CFG_DRAM_TEST_WALK */
+
+/*********************************************************************/
+/* NAME: mem_test_walk() - a simple walking ones test */
+/* */
+/* DESCRIPTION: */
+/* Performs a walking ones through entire physical memory. The */
+/* test uses as series of memory marches, mem_march(), to verify */
+/* and write the test patterns to memory. The test sequence is as */
+/* follows: */
+/* 1) march writing 0000...0001 */
+/* 2) march verifying 0000...0001 , writing 0000...0010 */
+/* 3) repeat step 2 shifting masks left 1 bit each time unitl */
+/* the write mask equals 1000...0000 */
+/* 4) march verifying 1000...0000 */
+/* The test fails if any of the memory marches return a failure. */
+/* */
+/* OUTPUTS: */
+/* Displays which pass on the memory test is executing */
+/* */
+/* RETURNS: */
+/* 0 - Passed test */
+/* 1 - Failed test */
+/* */
+/* RESTRICTIONS/LIMITATIONS: */
+/* */
+/* */
+/*********************************************************************/
+int mem_test_walk(void)
+{
+ unsigned long long mask;
+ volatile unsigned long long * pmem =
+ (volatile unsigned long long *)CFG_SDRAM_BASE ;
+ const unsigned long size = (CFG_SDRAM_SIZE * 1024 * 1024)/8;
+
+ unsigned int i;
+ mask = 0x01;
+
+ printf("Initial Pass");
+ mem_march(pmem,size,0x0,0x1,0,1);
+
+ printf("\b\b\b\b\b\b\b\b\b\b\b\b");
+ printf(" ");
+ printf("\b\b\b\b\b\b\b\b\b\b\b\b");
+
+ for (i = 0 ; i < 63 ; i++) {
+ printf("Pass %2d", i+2);
+ if ( mem_march(pmem,size, mask,mask << 1, 1, 1) != 0 ){
+ /*printf("mask: 0x%x, pass: %d, ", mask, i);*/
+ return 1;
+ }
+ mask = mask<<1;
+ printf("\b\b\b\b\b\b\b");
+ }
+
+ printf("Last Pass");
+ if (mem_march(pmem, size, 0, mask, 0, 1) != 0) {
+ /* printf("mask: 0x%x", mask); */
+ return 1;
+ }
+ printf("\b\b\b\b\b\b\b\b\b");
+ printf(" ");
+ printf("\b\b\b\b\b\b\b\b\b");
+
+ return 0;
+}
+
+/*********************************************************************/
+/* NAME: testdram() - calls any enabled memory tests */
+/* */
+/* DESCRIPTION: */
+/* Runs memory tests if the environment test variables are set to */
+/* 'y'. */
+/* */
+/* INPUTS: */
+/* testdramdata - If set to 'y', data test is run. */
+/* testdramaddress - If set to 'y', address test is run. */
+/* testdramwalk - If set to 'y', walking ones test is run */
+/* */
+/* OUTPUTS: */
+/* None */
+/* */
+/* RETURNS: */
+/* 0 - Passed test */
+/* 1 - Failed test */
+/* */
+/* RESTRICTIONS/LIMITATIONS: */
+/* */
+/* */
+/*********************************************************************/
+int testdram(void)
+{
+ char *s;
+ int rundata, runaddress, runwalk;
+
+ s = getenv ("testdramdata");
+ rundata = (s && (*s == 'y')) ? 1 : 0;
+ s = getenv ("testdramaddress");
+ runaddress = (s && (*s == 'y')) ? 1 : 0;
+ s = getenv ("testdramwalk");
+ runwalk = (s && (*s == 'y')) ? 1 : 0;
+
+ if ((rundata == 1) || (runaddress == 1) || (runwalk == 1)) {
+ printf("Testing RAM ... ");
+ }
+#ifdef CFG_DRAM_TEST_DATA
+ if (rundata == 1) {
+ if (mem_test_data() == 1){
+ return 1;
+ }
+ }
+#endif
+#ifdef CFG_DRAM_TEST_ADDRESS
+ if (runaddress == 1) {
+ if (mem_test_address() == 1){
+ return 1;
+ }
+ }
+#endif
+#ifdef CFG_DRAM_TEST_WALK
+ if (runwalk == 1) {
+ if (mem_test_walk() == 1){
+ return 1;
+ }
+ }
+#endif
+ if ((rundata == 1) || (runaddress == 1) || (runwalk == 1)) {
+ printf("passed");
+ }
+ return 0;
+
+}
+#endif /* CFG_DRAM_TEST */
+
+/*********************************************************************/
+/* NAME: initdram() - initializes SDRAM controller */
+/* */
+/* DESCRIPTION: */
+/* Initializes the MPC8260's SDRAM controller. */
+/* */
+/* INPUTS: */
+/* CFG_IMMR - MPC8260 Internal memory map */
+/* CFG_SDRAM_BASE - Physical start address of SDRAM */
+/* CFG_PSDMR - SDRAM mode register */
+/* CFG_MPTPR - Memory refresh timer prescaler register */
+/* CFG_SDRAM0_SIZE - SDRAM size */
+/* */
+/* RETURNS: */
+/* SDRAM size in bytes */
+/* */
+/* RESTRICTIONS/LIMITATIONS: */
+/* */
+/* */
+/*********************************************************************/
+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);
+}
+
+/*********************************************************************/
+/* End of gw8260.c */
+/*********************************************************************/
generated by cgit v1.1 at 2024-11-28 18:45:04 +0000