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authorwdenk <wdenk>2004-03-14 15:20:55 +0000
committerwdenk <wdenk>2004-03-14 15:20:55 +0000
commitaaf224ab4ec400abefa17982cbd2ae995adc9978 (patch)
tree68a329c03bf5b31851c26a7bc6f48e6931fd6c82 /board/ssv/common
parent3d3befa754fedb320f779320ac0ab11deb0a6275 (diff)
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* Patch by Stephan Linz, 09 Mar 2004
- Add support for the SSV ADNP/ESC1 (Nios Softcore) * Patch by George G. Davis, 9 Mar 2004: fix recent build failure for SA1100 target * Patch by Travis Sawyer, 09 Mar 2004: Support native interrupt mode for the IBM440GX. Previously it was running in 440GP compatibility mode.
Diffstat (limited to 'board/ssv/common')
-rw-r--r--board/ssv/common/cmd_sled.c162
-rw-r--r--board/ssv/common/flash.c207
-rw-r--r--board/ssv/common/post.c44
-rw-r--r--board/ssv/common/wd_pio.c160
4 files changed, 573 insertions, 0 deletions
diff --git a/board/ssv/common/cmd_sled.c b/board/ssv/common/cmd_sled.c
new file mode 100644
index 0000000..6ca054c
--- /dev/null
+++ b/board/ssv/common/cmd_sled.c
@@ -0,0 +1,162 @@
+/*
+ * (C) Copyright 2004, Li-Pro.Net <www.li-pro.net>
+ * Stephan Linz <linz@li-pro.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
+ */
+
+#include <common.h>
+#include <command.h>
+#include <status_led.h>
+
+#if defined(CONFIG_STATUS_LED)
+
+/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+ * !!!!! Q u i c k & D i r t y H a c k !!!!!
+ * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+ * !!!!! !!!!!
+ * !!!!! Next type definition was coming from original !!!!!
+ * !!!!! status LED driver drivers/status_led.c and !!!!!
+ * !!!!! should exported for using here. !!!!!
+ * !!!!! !!!!!
+ * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */
+
+typedef struct {
+ led_id_t mask;
+ int state;
+ int period;
+ int cnt;
+} led_dev_t;
+
+extern led_dev_t led_dev[];
+
+#if (CONFIG_COMMANDS & CFG_CMD_BSP)
+int do_sled (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+ int led_id = 0;
+
+ if (argc > 1) {
+#ifdef STATUS_LED_BOOT
+ if (!strcmp (argv[1], "boot")) {
+ led_id = STATUS_LED_BOOT + 1;
+ }
+#endif
+#ifdef STATUS_LED_RED
+ if (!strcmp (argv[1], "red")) {
+ led_id = STATUS_LED_RED + 1;
+ }
+#endif
+#ifdef STATUS_LED_YELLOW
+ if (!strcmp (argv[1], "yellow")) {
+ led_id = STATUS_LED_YELLOW + 1;
+ }
+#endif
+#ifdef STATUS_LED_GREEN
+ if (!strcmp (argv[1], "green")) {
+ led_id = STATUS_LED_GREEN + 1;
+ }
+#endif
+ }
+
+ switch (argc) {
+ case 1:
+#if (STATUS_LED_BITS > 3)
+ for (; led_id < 4; led_id++)
+#elif (STATUS_LED_BITS > 2)
+ for (; led_id < 3; led_id++)
+#elif (STATUS_LED_BITS > 1)
+ for (; led_id < 2; led_id++)
+#elif (STATUS_LED_BITS > 0)
+ for (; led_id < 1; led_id++)
+#else
+#error "*** STATUS_LED_BITS not correct defined ***"
+#endif
+ {
+ printf ("Status LED '%s' is %s\n",
+ led_id == STATUS_LED_BOOT ? "boot"
+ : led_id == STATUS_LED_RED ? "red"
+ : led_id == STATUS_LED_YELLOW ? "yellow"
+ : led_id ==
+ STATUS_LED_GREEN ? "green" : "unknown",
+ led_dev[led_id].state ==
+ STATUS_LED_ON ? "on" : led_dev[led_id].
+ state ==
+ STATUS_LED_OFF ? "off" : led_dev[led_id].
+ state ==
+ STATUS_LED_BLINKING ? "blinking" : "unknown");
+ }
+ return 0;
+ case 2:
+ if (led_id) {
+ printf ("Status LED '%s' is %s\n", argv[1],
+ led_dev[led_id - 1].state ==
+ STATUS_LED_ON ? "on" : led_dev[led_id -
+ 1].state ==
+ STATUS_LED_OFF ? "off" : led_dev[led_id -
+ 1].state ==
+ STATUS_LED_BLINKING ? "blinking" : "unknown");
+ return 0;
+ } else
+ break;
+ case 3:
+ if (led_id) {
+ if (!strcmp (argv[2], "on")) {
+ status_led_set (led_id - 1, STATUS_LED_ON);
+ return 0;
+ } else if (!strcmp (argv[2], "off")) {
+ status_led_set (led_id - 1, STATUS_LED_OFF);
+ return 0;
+ } else if (!strcmp (argv[2], "blink")) {
+ status_led_set (led_id - 1,
+ STATUS_LED_BLINKING);
+ return 0;
+ } else
+ break;
+ } else
+ break;
+ default:
+ break;
+ }
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+}
+
+#ifdef STATUS_LED_BOOT
+#ifdef STATUS_LED_RED
+#ifdef STATUS_LED_YELLOW
+#ifdef STATUS_LED_GREEN
+#define __NAME_STR " - name: boot|red|yellow|green\n"
+#else
+#define __NAME_STR " - name: boot|red|yellow\n"
+#endif
+#else
+#define __NAME_STR " - name: boot|red\n"
+#endif
+#else
+#define __NAME_STR " - name: boot\n"
+#endif
+#else
+#define __NAME_STR " - name: (no such defined)\n"
+#endif
+
+U_BOOT_CMD (sled, 3, 0, do_sled,
+ "sled - check and set status led\n",
+ "sled [name [state]]\n" __NAME_STR " - state: on|off|blink\n");
+#endif /* CFG_CMD_BSP */
+#endif /* CONFIG_STATUS_LED */
diff --git a/board/ssv/common/flash.c b/board/ssv/common/flash.c
new file mode 100644
index 0000000..70cab7f
--- /dev/null
+++ b/board/ssv/common/flash.c
@@ -0,0 +1,207 @@
+/*
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2004, Li-Pro.Net <www.li-pro.net>
+ * Stephan Linz <linz@li-pro.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
+ */
+
+
+#include <common.h>
+#include <watchdog.h>
+#include <nios.h>
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
+
+/*--------------------------------------------------------------------*/
+void flash_print_info (flash_info_t * info)
+{
+ int i, k;
+ unsigned long size;
+ int erased;
+ volatile unsigned char *flash;
+
+ printf (" Size: %ld KB in %d Sectors\n",
+ info->size >> 10, info->sector_count);
+ printf (" Sector Start Addresses:");
+ for (i = 0; i < info->sector_count; ++i) {
+
+ /* Check if whole sector is erased */
+ if (i != (info->sector_count - 1))
+ size = info->start[i + 1] - info->start[i];
+ else
+ size = info->start[0] + info->size - info->start[i];
+ erased = 1;
+ flash = (volatile unsigned char *) info->start[i];
+ for (k = 0; k < size; k++) {
+ if (*flash++ != 0xff) {
+ erased = 0;
+ break;
+ }
+ }
+
+ /* Print the info */
+ if ((i % 5) == 0)
+ printf ("\n ");
+ printf (" %08lX%s%s", info->start[i], erased ? " E" : " ",
+ info->protect[i] ? "RO " : " ");
+ }
+ printf ("\n");
+}
+
+/*-------------------------------------------------------------------*/
+
+
+int flash_erase (flash_info_t * info, int s_first, int s_last)
+{
+ volatile CFG_FLASH_WORD_SIZE *addr = (CFG_FLASH_WORD_SIZE *) (info->start[0]);
+ volatile CFG_FLASH_WORD_SIZE *addr2;
+ int prot, sect, wait;
+ unsigned oldpri;
+ ulong start;
+
+ /* Some sanity checking */
+ if ((s_first < 0) || (s_first > s_last)) {
+ 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");
+ }
+
+#ifdef DEBUG
+ for (sect = s_first; sect <= s_last; sect++) {
+ printf("- Erase: Sect: %i @ 0x%08x\n", sect, info->start[sect]);
+ }
+#endif
+
+ /* NOTE: disabling interrupts on Nios can be very bad since it
+ * also disables the LO_LIMIT exception. It's better here to
+ * set the interrupt priority to 3 & restore it when we're done.
+ */
+ oldpri = ipri (3);
+
+ /* It's ok to erase multiple sectors provided we don't delay more
+ * than 50 usec between cmds ... at which point the erase time-out
+ * occurs. So don't go and put printf() calls in the loop ... it
+ * won't be very helpful ;-)
+ */
+ for (sect = s_first; sect <= s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+ addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[sect]);
+ *addr = 0xf0;
+ *(addr+0xAAA/2) = 0xaa;
+ *(addr+0x554/2) = 0x55;
+ *(addr+0xAAA/2) = 0x80;
+ *(addr+0xAAA/2) = 0xaa;
+ *(addr+0x554/2) = 0x55;
+ *addr2 = 0x30;
+ /* Now just wait for 0xffff & provide some user
+ * feedback while we wait. Here we have to grant
+ * timer interrupts. Otherwise get_timer() can't
+ * work right. */
+ ipri(oldpri);
+ start = get_timer (0);
+ while (*addr2 != 0xffff) {
+ for (wait = 8; wait; wait--) {
+ udelay (125 * 1000);
+ }
+ putc ('.');
+ if (get_timer (start) > CFG_FLASH_ERASE_TOUT) {
+ printf ("timeout\n");
+ return 1;
+ }
+ }
+ oldpri = ipri (3); /* disallow non important irqs again */
+ }
+ }
+
+ printf ("\n");
+ *addr = 0xf0;
+
+ /* Restore interrupt priority */
+ ipri (oldpri);
+
+ return 0;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+
+int write_buff (flash_info_t * info, uchar * srcbuffer, ulong addr, ulong cnt)
+{
+
+ volatile CFG_FLASH_WORD_SIZE *cmd = (vu_short *) info->start[0];
+ volatile CFG_FLASH_WORD_SIZE *dst = (vu_short *) addr;
+ CFG_FLASH_WORD_SIZE *src = (void *) srcbuffer;
+ CFG_FLASH_WORD_SIZE b;
+ unsigned oldpri;
+ ulong start;
+
+ cnt /= sizeof(CFG_FLASH_WORD_SIZE);
+ while (cnt) {
+ /* Check for sufficient erase */
+ b = *src;
+ if ((*dst & b) != b) {
+ printf ("%02x : %02x\n", *dst, b);
+ return (2);
+ }
+
+ /* Disable interrupts other than window underflow
+ * (interrupt priority 2)
+ */
+ oldpri = ipri (3);
+ *(cmd+0xAAA/2) = 0xaa;
+ *(cmd+0x554/2) = 0x55;
+ *(cmd+0xAAA/2) = 0xa0;
+ ipri (oldpri);
+ *dst = b;
+
+ /* Verify write */
+ start = get_timer (0);
+ while (*dst != b) {
+ if (get_timer (start) > CFG_FLASH_WRITE_TOUT) {
+ *cmd = 0xf0;
+ return 1;
+ }
+ }
+ dst++;
+ src++;
+ cnt--;
+ }
+
+ *cmd = 0xf0;
+ return (0);
+}
diff --git a/board/ssv/common/post.c b/board/ssv/common/post.c
new file mode 100644
index 0000000..a5f29c1
--- /dev/null
+++ b/board/ssv/common/post.c
@@ -0,0 +1,44 @@
+/*
+ * (C) Copyright 2004, Li-Pro.Net <www.li-pro.net>
+ * Stephan Linz <linz@li-pro.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
+ */
+
+#include <common.h>
+
+#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
+
+#if !defined(CFG_NIOS_POST_WORD_ADDR)
+#error "*** CFG_NIOS_POST_WORD_ADDR not defined ***"
+#endif
+
+void post_word_store (ulong a)
+{
+ volatile void *save_addr = (void *)(CFG_NIOS_POST_WORD_ADDR);
+ *(volatile ulong *) save_addr = a;
+}
+
+ulong post_word_load (void)
+{
+ volatile void *save_addr = (void *)(CFG_NIOS_POST_WORD_ADDR);
+ return *(volatile ulong *) save_addr;
+}
+
+#endif /* CONFIG_POST || CONFIG_LOGBUFFER*/
diff --git a/board/ssv/common/wd_pio.c b/board/ssv/common/wd_pio.c
new file mode 100644
index 0000000..3215ac9
--- /dev/null
+++ b/board/ssv/common/wd_pio.c
@@ -0,0 +1,160 @@
+/*
+ * (C) Copyright 2004, Li-Pro.Net <www.li-pro.net>
+ * Stephan Linz <linz@li-pro.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
+ */
+
+#include <common.h>
+#include <command.h>
+#include <nios.h>
+#include <nios-io.h>
+
+#if defined(CONFIG_HW_WATCHDOG)
+
+#if !defined(CONFIG_HW_WDENA_BASE)
+#error "*** CONFIG_HW_WDENA_BASE not defined ***"
+#if !defined(CONFIG_HW_WDENA_BIT)
+#error "*** CONFIG_HW_WDENA_BIT not defined ***"
+#endif
+#endif
+
+#if !defined(CONFIG_HW_WDTOG_BASE)
+#error "*** CONFIG_HW_WDTOG_BASE not defined ***"
+#if !defined(CONFIG_HW_WDTOG_BIT)
+#error "*** CONFIG_HW_WDTOG_BIT not defined ***"
+#endif
+#endif
+
+#ifdef CONFIG_HW_WDPORT_WRONLY /* emulate read access */
+static unsigned __wd_ena_pio_portval = 0;
+#endif
+
+#define WD_PIO_INIT_DONE(V) ((V) & (1 << CONFIG_HW_WDENA_BIT))
+
+void ssv_wd_pio_init(void)
+{
+ nios_pio_t *ena_piop = (nios_pio_t*)CONFIG_HW_WDENA_BASE;
+ nios_pio_t *trg_piop = (nios_pio_t*)CONFIG_HW_WDTOG_BASE;
+
+ trg_piop->data &= ~(1 << CONFIG_HW_WDTOG_BIT);
+
+#ifdef CONFIG_HW_WDPORT_WRONLY /* emulate read access */
+
+ __wd_ena_pio_portval |= (1 << CONFIG_HW_WDENA_BIT);
+ ena_piop->data = __wd_ena_pio_portval;
+
+#else /* !CONFIG_HW_WDPORT_WRONLY */
+
+ trg_piop->direction |= (1 << CONFIG_HW_WDTOG_BIT);
+
+ ena_piop->data |= (1 << CONFIG_HW_WDENA_BIT);
+ ena_piop->direction |= (1 << CONFIG_HW_WDENA_BIT);
+
+#endif /* CONFIG_HW_WDPORT_WRONLY */
+}
+
+void ssv_wd_pio_done(void)
+{
+ nios_pio_t *piop = (nios_pio_t*)CONFIG_HW_WDENA_BASE;
+
+#ifdef CONFIG_HW_WDPORT_WRONLY /* emulate read access */
+
+ __wd_ena_pio_portval &= ~(1 << CONFIG_HW_WDENA_BIT);
+ piop->data = __wd_ena_pio_portval;
+
+#else /* !CONFIG_HW_WDPORT_WRONLY */
+
+ piop->data &= ~(1 << CONFIG_HW_WDENA_BIT);
+
+#endif /* CONFIG_HW_WDPORT_WRONLY */
+}
+
+void ssv_wd_pio_reset(void)
+{
+ nios_pio_t *trg_piop = (nios_pio_t*)CONFIG_HW_WDTOG_BASE;
+
+#ifdef CONFIG_HW_WDPORT_WRONLY
+ if (WD_PIO_INIT_DONE(__wd_ena_pio_portval))
+#else
+ nios_pio_t *ena_piop = (nios_pio_t*)CONFIG_HW_WDENA_BASE;
+
+ if (WD_PIO_INIT_DONE(ena_piop->data))
+#endif
+ {
+ trg_piop->data |= (1 << CONFIG_HW_WDTOG_BIT);
+ trg_piop->data &= ~(1 << CONFIG_HW_WDTOG_BIT);
+ }
+}
+
+void hw_watchdog_reset(void)
+{
+ int re_enable = disable_interrupts ();
+
+ ssv_wd_pio_reset();
+ if (re_enable)
+ enable_interrupts ();
+}
+
+#if (CONFIG_COMMANDS & CFG_CMD_BSP)
+int do_wd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ nios_pio_t *ena_piop = (nios_pio_t*)CONFIG_HW_WDENA_BASE;
+
+ switch (argc)
+ {
+ case 1:
+ printf ("Watchdog timer status is %s\n",
+#ifdef CONFIG_HW_WDPORT_WRONLY
+ WD_PIO_INIT_DONE(__wd_ena_pio_portval)
+#else
+ WD_PIO_INIT_DONE(ena_piop->data)
+#endif
+ ? "on" : "off");
+ return 0;
+ case 2:
+ if (!strcmp(argv[1],"on"))
+ {
+ ssv_wd_pio_init();
+ printf("Watchdog timer now is on\n");
+ return 0;
+ }
+ else if (!strcmp(argv[1],"off"))
+ {
+ ssv_wd_pio_done();
+ printf("Watchdog timer now is off\n");
+ return 0;
+ }
+ break;
+ default:
+ break;
+ }
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+}
+
+U_BOOT_CMD(
+ wd, 2, 1, do_wd,
+ "wd - check and set watchdog\n",
+ "on - switch watchDog on\n"
+ "wd off - switch watchdog off\n"
+ "wd - print current status\n"
+);
+#endif /* CFG_CMD_BSP */
+#endif /* CONFIG_HW_WATCHDOG */