summaryrefslogtreecommitdiffstats
path: root/u-boot/board/kup/common
diff options
context:
space:
mode:
Diffstat (limited to 'u-boot/board/kup/common')
-rw-r--r--u-boot/board/kup/common/flash.c515
-rw-r--r--u-boot/board/kup/common/kup.c84
-rw-r--r--u-boot/board/kup/common/kup.h56
-rw-r--r--u-boot/board/kup/common/load_sernum_ethaddr.c94
-rw-r--r--u-boot/board/kup/common/pcmcia.c225
5 files changed, 974 insertions, 0 deletions
diff --git a/u-boot/board/kup/common/flash.c b/u-boot/board/kup/common/flash.c
new file mode 100644
index 0000000..134a9d5
--- /dev/null
+++ b/u-boot/board/kup/common/flash.c
@@ -0,0 +1,515 @@
+/*
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <mpc8xx.h>
+
+#ifndef CONFIG_ENV_ADDR
+#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET)
+#endif
+
+#define CONFIG_FLASH_16BIT
+
+flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+/*-----------------------------------------------------------------------
+ * 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)
+{
+ volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
+ volatile memctl8xx_t *memctl = &immap->im_memctl;
+ unsigned long size_b0;
+ int i;
+
+ /* Init: no FLASHes known */
+ for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i) {
+ flash_info[i].flash_id = FLASH_UNKNOWN;
+ }
+
+ /* Static FLASH Bank configuration here - FIXME XXX */
+
+ size_b0 = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]);
+
+ if (flash_info[0].flash_id == FLASH_UNKNOWN) {
+ printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
+ size_b0, size_b0<<20);
+ }
+
+
+ /* Remap FLASH according to real size */
+ memctl->memc_or0 = CONFIG_SYS_OR_TIMING_FLASH | (-size_b0 & OR_AM_MSK);
+ memctl->memc_br0 = (CONFIG_SYS_FLASH_BASE & BR_BA_MSK) | BR_MS_GPCM | BR_V | BR_PS_16;
+
+ /* Re-do sizing to get full correct info */
+ size_b0 = flash_get_size((vu_long *)CONFIG_SYS_FLASH_BASE, &flash_info[0]);
+
+#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE
+ /* monitor protection ON by default */
+ flash_protect(FLAG_PROTECT_SET,
+ CONFIG_SYS_MONITOR_BASE,
+ CONFIG_SYS_MONITOR_BASE+monitor_flash_len-1,
+ &flash_info[0]);
+#endif
+
+#ifdef CONFIG_ENV_IS_IN_FLASH
+ /* ENV protection ON by default */
+ flash_protect(FLAG_PROTECT_SET,
+ CONFIG_ENV_ADDR,
+ CONFIG_ENV_ADDR+CONFIG_ENV_SIZE-1,
+ &flash_info[0]);
+#endif
+
+ flash_info[0].size = size_b0;
+
+ return (size_b0);
+}
+
+/*-----------------------------------------------------------------------
+ */
+void flash_print_info (flash_info_t *info)
+{
+ int i;
+
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf ("missing or unknown FLASH type\n");
+ return;
+ }
+
+ switch (info->flash_id & FLASH_VENDMASK) {
+ case FLASH_MAN_AMD: printf ("AMD "); break;
+ case FLASH_MAN_FUJ: printf ("FUJITSU "); break;
+ default: printf ("Unknown Vendor "); break;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case FLASH_AM400B: printf ("AM29LV400B (4 Mbit, bottom boot sect)\n");
+ break;
+ case FLASH_AM400T: printf ("AM29LV400T (4 Mbit, top boot sector)\n");
+ break;
+ case FLASH_AM800B: printf ("AM29LV800B (8 Mbit, bottom boot sect)\n");
+ break;
+ case FLASH_AM800T: printf ("AM29LV800T (8 Mbit, top boot sector)\n");
+ break;
+ case FLASH_AM160B: printf ("AM29LV160B (16 Mbit, bottom boot sect)\n");
+ break;
+ case FLASH_AM160T: printf ("AM29LV160T (16 Mbit, top boot sector)\n");
+ break;
+ case FLASH_AM320B: printf ("AM29LV320B (32 Mbit, bottom boot sect)\n");
+ break;
+ case FLASH_AM320T: printf ("AM29LV320T (32 Mbit, top boot sector)\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;
+ ulong value;
+ ulong base = (ulong)addr;
+
+ /* Write auto select command: read Manufacturer ID */
+ vu_short *s_addr=(vu_short*)addr;
+ s_addr[0x5555] = 0x00AA;
+ s_addr[0x2AAA] = 0x0055;
+ s_addr[0x5555] = 0x0090;
+
+ value = s_addr[0];
+ value = value|(value<<16);
+
+ switch (value) {
+ case AMD_MANUFACT:
+ info->flash_id = FLASH_MAN_AMD;
+ break;
+ case FUJ_MANUFACT:
+ info->flash_id = FLASH_MAN_FUJ;
+ break;
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+ return (0); /* no or unknown flash */
+ }
+
+ value = s_addr[1];
+ value = value|(value<<16);
+
+ switch (value) {
+ case FUJI_ID_29F800BA:
+ info->flash_id += FLASH_AM400T;
+ info->sector_count = 19;
+ info->size = 0x00100000;
+ break; /* => 1 MB */
+ case AMD_ID_LV800T:
+ info->flash_id += FLASH_AM800T;
+ info->sector_count = 19;
+ info->size = 0x00100000;
+ break; /* => 1 MB */
+ case AMD_ID_LV800B:
+ info->flash_id += FLASH_AM800B;
+ info->sector_count = 19;
+ info->size = 0x00100000;
+ break; /* => 1 MB */
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ return (0); /* => no or unknown flash */
+ }
+
+ /* set up sector start address table */
+ /* set sector offsets for bottom boot block type */
+ info->start[0] = base + 0x00000000;
+ info->start[1] = base + 0x00004000;
+ info->start[2] = base + 0x00006000;
+ info->start[3] = base + 0x00008000;
+ for (i = 4; i < info->sector_count; i++) {
+ info->start[i] = base + (i * 0x00010000) - 0x00030000;
+ }
+
+
+ /* check for protected sectors */
+ for (i = 0; i < info->sector_count; i++) {
+ /* read sector protection at sector address, (A7 .. A0) = 0x02 */
+ /* D0 = 1 if protected */
+ s_addr = (volatile unsigned short *)(info->start[i]);
+ info->protect[i] = s_addr[2] & 1;
+ }
+
+ /*
+ * Prevent writes to uninitialized FLASH.
+ */
+ if (info->flash_id != FLASH_UNKNOWN) {
+ s_addr = (volatile unsigned short *)info->start[0];
+ *s_addr = 0x00F0; /* reset bank */
+ }
+ 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;
+ ulong start, now, last;
+#ifdef CONFIG_FLASH_16BIT
+ vu_short *s_addr = (vu_short*)addr;
+#endif
+
+ 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;
+ }
+/*#ifndef CONFIG_FLASH_16BIT
+ ulong type;
+ type = (info->flash_id & FLASH_VENDMASK);
+ if ((type != FLASH_MAN_SST) && (type != FLASH_MAN_STM)) {
+ printf ("Can't erase unknown flash type %08lx - aborted\n",
+ info->flash_id);
+ return;
+ }
+#endif*/
+ prot = 0;
+ for (sect=s_first; sect<=s_last; ++sect) {
+ if (info->protect[sect]) {
+ prot++;
+ }
+ }
+
+ if (prot) {
+ printf ("- Warning: %d protected sectors will not be erased!\n",
+ prot);
+ } else {
+ printf ("\n");
+ }
+
+ start = get_timer (0);
+ last = start;
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect<=s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+#ifdef CONFIG_FLASH_16BIT
+ vu_short *s_sect_addr = (vu_short*)(info->start[sect]);
+#else
+ vu_long *sect_addr = (vu_long*)(info->start[sect]);
+#endif
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+#ifdef CONFIG_FLASH_16BIT
+
+ /*printf("\ns_sect_addr=%x",s_sect_addr);*/
+ s_addr[0x5555] = 0x00AA;
+ s_addr[0x2AAA] = 0x0055;
+ s_addr[0x5555] = 0x0080;
+ s_addr[0x5555] = 0x00AA;
+ s_addr[0x2AAA] = 0x0055;
+ s_sect_addr[0] = 0x0030;
+#else
+ addr[0x5555] = 0x00AA00AA;
+ addr[0x2AAA] = 0x00550055;
+ addr[0x5555] = 0x00800080;
+ addr[0x5555] = 0x00AA00AA;
+ addr[0x2AAA] = 0x00550055;
+ sect_addr[0] = 0x00300030;
+#endif
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ /* wait at least 80us - let's wait 1 ms */
+ udelay (1000);
+
+#ifdef CONFIG_FLASH_16BIT
+ while ((s_sect_addr[0] & 0x0080) != 0x0080) {
+#else
+ while ((sect_addr[0] & 0x00800080) != 0x00800080) {
+#endif
+ if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) {
+ printf ("Timeout\n");
+ return 1;
+ }
+ /* show that we're waiting */
+ if ((now - last) > 1000) { /* every second */
+ putc ('.');
+ last = now;
+ }
+ }
+ }
+ }
+
+ /* reset to read mode */
+ addr = (volatile unsigned long *)info->start[0];
+#ifdef CONFIG_FLASH_16BIT
+ s_addr[0] = 0x00F0; /* reset bank */
+#else
+ addr[0] = 0x00F000F0; /* reset bank */
+#endif
+
+ 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]);
+
+#ifdef CONFIG_FLASH_16BIT
+ vu_short high_data;
+ vu_short low_data;
+ vu_short *s_addr = (vu_short*)addr;
+#endif
+ ulong start;
+ int flag;
+
+ /* Check if Flash is (sufficiently) erased */
+ if ((*((vu_long *)dest) & data) != data) {
+ return (2);
+ }
+
+#ifdef CONFIG_FLASH_16BIT
+ /* Write the 16 higher-bits */
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+ high_data = ((data>>16) & 0x0000ffff);
+
+ s_addr[0x5555] = 0x00AA;
+ s_addr[0x2AAA] = 0x0055;
+ s_addr[0x5555] = 0x00A0;
+
+ *((vu_short *)dest) = high_data;
+
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ /* data polling for D7 */
+ start = get_timer (0);
+ while ((*((vu_short *)dest) & 0x0080) != (high_data & 0x0080)) {
+ if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
+ return (1);
+ }
+ }
+
+
+ /* Write the 16 lower-bits */
+#endif
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+#ifdef CONFIG_FLASH_16BIT
+ dest += 0x2;
+ low_data = (data & 0x0000ffff);
+
+ s_addr[0x5555] = 0x00AA;
+ s_addr[0x2AAA] = 0x0055;
+ s_addr[0x5555] = 0x00A0;
+ *((vu_short *)dest) = low_data;
+
+#else
+ addr[0x5555] = 0x00AA00AA;
+ addr[0x2AAA] = 0x00550055;
+ addr[0x5555] = 0x00A000A0;
+ *((vu_long *)dest) = data;
+#endif
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ /* data polling for D7 */
+ start = get_timer (0);
+
+#ifdef CONFIG_FLASH_16BIT
+ while ((*((vu_short *)dest) & 0x0080) != (low_data & 0x0080)) {
+#else
+ while ((*((vu_long *)dest) & 0x00800080) != (data & 0x00800080)) {
+#endif
+
+ if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
+ return (1);
+ }
+ }
+ return (0);
+}
diff --git a/u-boot/board/kup/common/kup.c b/u-boot/board/kup/common/kup.c
new file mode 100644
index 0000000..38259a5
--- /dev/null
+++ b/u-boot/board/kup/common/kup.c
@@ -0,0 +1,84 @@
+/*
+ * (C) Copyright 2004
+ * Klaus Heydeck, Kieback & Peter GmbH & Co KG, heydeck@kieback-peter.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <mpc8xx.h>
+#include "kup.h"
+#include <asm/io.h>
+
+
+int misc_init_f(void)
+{
+ volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
+ volatile sysconf8xx_t *siu = &immap->im_siu_conf;
+
+ while (in_be32(&siu->sc_sipend) & 0x20000000) {
+ debug("waiting for 5V VCC\n");
+ }
+
+ /* RS232 / RS485 default is RS232 */
+ clrbits_be16(&immap->im_ioport.iop_padat, PA_RS485);
+ clrbits_be16(&immap->im_ioport.iop_papar, PA_RS485);
+ clrbits_be16(&immap->im_ioport.iop_paodr, PA_RS485);
+ setbits_be16(&immap->im_ioport.iop_padir, PA_RS485);
+
+ /* IO Reset min 1 msec */
+ setbits_be16(&immap->im_ioport.iop_padat,
+ (PA_RESET_IO_01 | PA_RESET_IO_02));
+ clrbits_be16(&immap->im_ioport.iop_papar,
+ (PA_RESET_IO_01 | PA_RESET_IO_02));
+ clrbits_be16(&immap->im_ioport.iop_paodr,
+ (PA_RESET_IO_01 | PA_RESET_IO_02));
+ setbits_be16(&immap->im_ioport.iop_padir,
+ (PA_RESET_IO_01 | PA_RESET_IO_02));
+ udelay(1000);
+ clrbits_be16(&immap->im_ioport.iop_padat,
+ (PA_RESET_IO_01 | PA_RESET_IO_02));
+ return (0);
+}
+
+#ifdef CONFIG_IDE_LED
+void ide_led(uchar led, uchar status)
+{
+ volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
+
+ /* We have one led for both pcmcia slots */
+ if (status)
+ clrbits_be16(&immap->im_ioport.iop_padat, PA_LED_YELLOW);
+ else
+ setbits_be16(&immap->im_ioport.iop_padat, PA_LED_YELLOW);
+}
+#endif
+
+void poweron_key(void)
+{
+ volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
+
+ clrbits_be16(&immap->im_ioport.iop_pcpar, PC_SWITCH1);
+ clrbits_be16(&immap->im_ioport.iop_pcdir, PC_SWITCH1);
+
+ if (in_be16(&immap->im_ioport.iop_pcdat) & (PC_SWITCH1))
+ setenv("key1", "off");
+ else
+ setenv("key1", "on");
+}
diff --git a/u-boot/board/kup/common/kup.h b/u-boot/board/kup/common/kup.h
new file mode 100644
index 0000000..455848c
--- /dev/null
+++ b/u-boot/board/kup/common/kup.h
@@ -0,0 +1,56 @@
+/*
+ * (C) Copyright 2004
+ * Klaus Heydeck, Kieback & Peter GmbH & Co KG, heydeck@kieback-peter.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __KUP_H
+#define __KUP_H
+
+#define PA_8 0x0080
+#define PA_9 0x0040
+#define PA_10 0x0020
+#define PA_11 0x0010
+#define PA_12 0x0008
+
+#define PB_14 0x00020000
+#define PB_15 0x00010000
+#define PB_16 0x00008000
+#define PB_17 0x00004000
+
+#define PC_4 0x0800
+#define PC_5 0x0400
+#define PC_9 0x0040
+
+#define PA_RS485 PA_11 /* SCC1: 0=RS232 1=RS485 */
+#define PA_LED_YELLOW PA_8
+#define PA_RESET_IO_01 PA_9 /* Reset left IO */
+#define PA_RESET_IO_02 PA_10 /* Reset right IO */
+#define PB_PROG_IO_01 PB_15 /* Program left IO */
+#define PB_PROG_IO_02 PB_16 /* Program right IO */
+#define BP_USB_VCC PB_14 /* VCC for USB devices 0=vcc on, 1=vcc off */
+#define PB_LCD_PWM PB_17 /* PB 17 */
+#define PC_SWITCH1 PC_9 /* Reboot switch */
+
+
+extern void poweron_key(void);
+extern void load_sernum_ethaddr(void);
+
+#endif /* __KUP_H */
diff --git a/u-boot/board/kup/common/load_sernum_ethaddr.c b/u-boot/board/kup/common/load_sernum_ethaddr.c
new file mode 100644
index 0000000..741e9a5
--- /dev/null
+++ b/u-boot/board/kup/common/load_sernum_ethaddr.c
@@ -0,0 +1,94 @@
+/*
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <mpc8xx.h>
+
+/*-----------------------------------------------------------------------
+ * Process Hardware Information Block:
+ *
+ * If we boot on a system fresh from factory, check if the Hardware
+ * Information Block exists and save the information it contains.
+ *
+ * The KUP Hardware Information Block is defined as
+ * follows:
+ * - located in first flash bank
+ * - starts at offset CONFIG_SYS_HWINFO_OFFSET
+ * - size CONFIG_SYS_HWINFO_SIZE
+ *
+ * Internal structure:
+ * - sequence of ASCII character lines
+ * - fields separated by <CR><LF>
+ * - last field terminated by NUL character (0x00)
+ *
+ * Fields in Hardware Information Block:
+ * 1) Module Type
+ * 2) MAC Address
+ * 3) ....
+ */
+
+
+#define ETHADDR_TOKEN "ethaddr="
+#define LCD_TOKEN "lcd="
+
+void load_sernum_ethaddr (void)
+{
+ unsigned char *hwi;
+ char *var;
+ unsigned char hwi_stack[CONFIG_SYS_HWINFO_SIZE];
+ char *p;
+
+ hwi = (unsigned char *) (CONFIG_SYS_FLASH_BASE + CONFIG_SYS_HWINFO_OFFSET);
+ if (*((unsigned long *) hwi) != (unsigned long) CONFIG_SYS_HWINFO_MAGIC) {
+ printf ("HardwareInfo not found!\n");
+ return;
+ }
+ memcpy (hwi_stack, hwi, CONFIG_SYS_HWINFO_SIZE);
+
+ /*
+ ** ethaddr
+ */
+ var = strstr ((char *)hwi_stack, ETHADDR_TOKEN);
+ if (var) {
+ var += sizeof (ETHADDR_TOKEN) - 1;
+ p = strchr (var, '\r');
+ if ((unsigned char *)p < hwi + CONFIG_SYS_HWINFO_SIZE) {
+ *p = '\0';
+ setenv ("ethaddr", var);
+ *p = '\r';
+ }
+ }
+ /*
+ ** lcd
+ */
+ var = strstr ((char *)hwi_stack, LCD_TOKEN);
+ if (var) {
+ var += sizeof (LCD_TOKEN) - 1;
+ p = strchr (var, '\r');
+ if ((unsigned char *)p < hwi + CONFIG_SYS_HWINFO_SIZE) {
+ *p = '\0';
+ setenv ("lcd", var);
+ *p = '\r';
+ }
+ }
+}
diff --git a/u-boot/board/kup/common/pcmcia.c b/u-boot/board/kup/common/pcmcia.c
new file mode 100644
index 0000000..ce6b186
--- /dev/null
+++ b/u-boot/board/kup/common/pcmcia.c
@@ -0,0 +1,225 @@
+#include <common.h>
+#include <mpc8xx.h>
+#include <pcmcia.h>
+
+#undef CONFIG_PCMCIA
+
+#if defined(CONFIG_CMD_PCMCIA)
+#define CONFIG_PCMCIA
+#endif
+
+#if defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD)
+#define CONFIG_PCMCIA
+#endif
+
+#ifdef CONFIG_PCMCIA
+
+#define PCMCIA_BOARD_MSG "KUP"
+
+#define KUP4K_PCMCIA_B_3V3 (0x00020000)
+
+int pcmcia_hardware_enable(int slot)
+{
+ volatile immap_t *immap;
+ volatile cpm8xx_t *cp;
+ volatile pcmconf8xx_t *pcmp;
+ volatile sysconf8xx_t *sysp;
+ uint reg, mask;
+
+ debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot);
+
+ udelay(10000);
+
+ immap = (immap_t *)CONFIG_SYS_IMMR;
+ sysp = (sysconf8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_siu_conf));
+ pcmp = (pcmconf8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_pcmcia));
+ cp = (cpm8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_cpm));
+
+ /*
+ * Configure SIUMCR to enable PCMCIA port B
+ * (VFLS[0:1] are not used for debugging, we connect FRZ# instead)
+ */
+ sysp->sc_siumcr &= ~SIUMCR_DBGC11; /* set DBGC to 00 */
+
+ /* clear interrupt state, and disable interrupts */
+ pcmp->pcmc_pscr = PCMCIA_MASK(slot);
+ pcmp->pcmc_per &= ~PCMCIA_MASK(slot);
+
+ /*
+ * Disable interrupts, DMA, and PCMCIA buffers
+ * (isolate the interface) and assert RESET signal
+ */
+ debug ("Disable PCMCIA buffers and assert RESET\n");
+ reg = 0;
+ reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */
+ reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */
+ PCMCIA_PGCRX(slot) = reg;
+ udelay(2500);
+
+ /*
+ * Configure Port B pins for
+ * 3 Volts enable
+ */
+ if (slot) { /* Slot A is built-in */
+ cp->cp_pbdir |= KUP4K_PCMCIA_B_3V3;
+ cp->cp_pbpar &= ~KUP4K_PCMCIA_B_3V3;
+ /* remove all power */
+ cp->cp_pbdat |= KUP4K_PCMCIA_B_3V3; /* active low */
+ }
+ /*
+ * Make sure there is a card in the slot, then configure the interface.
+ */
+ udelay(10000);
+ debug ("[%d] %s: PIPR(%p)=0x%x\n",
+ __LINE__,__FUNCTION__,
+ &(pcmp->pcmc_pipr),pcmp->pcmc_pipr);
+ if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) {
+ printf (" No Card found\n");
+ return (1);
+ }
+
+ /*
+ * Power On.
+ */
+ printf("%s Slot %c:", slot ? "" : "\n", 'A' + slot);
+ mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot);
+ reg = pcmp->pcmc_pipr;
+ debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n",
+ reg,
+ (reg&PCMCIA_VS1(slot))?"n":"ff",
+ (reg&PCMCIA_VS2(slot))?"n":"ff");
+ if ((reg & mask) == mask) {
+ puts (" 5.0V card found: NOT SUPPORTED !!!\n");
+ } else {
+ if(slot)
+ cp->cp_pbdat &= ~KUP4K_PCMCIA_B_3V3;
+ puts (" 3.3V card found: ");
+ }
+#if 0
+ /* VCC switch error flag, PCMCIA slot INPACK_ pin */
+ cp->cp_pbdir &= ~(0x0020 | 0x0010);
+ cp->cp_pbpar &= ~(0x0020 | 0x0010);
+ udelay(500000);
+#endif
+ debug ("Enable PCMCIA buffers and stop RESET\n");
+ reg = PCMCIA_PGCRX(slot);
+ reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */
+ reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */
+ PCMCIA_PGCRX(slot) = reg;
+
+ udelay(250000); /* some cards need >150 ms to come up :-( */
+
+ debug ("# hardware_enable done\n");
+
+ return (0);
+}
+
+
+#if defined(CONFIG_CMD_PCMCIA)
+int pcmcia_hardware_disable(int slot)
+{
+ volatile immap_t *immap;
+ volatile cpm8xx_t *cp;
+ volatile pcmconf8xx_t *pcmp;
+ u_long reg;
+
+ debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot);
+
+ immap = (immap_t *)CONFIG_SYS_IMMR;
+ pcmp = (pcmconf8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_pcmcia));
+ cp = (cpm8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_cpm));
+
+ /* remove all power */
+ if (slot)
+ cp->cp_pbdat |= KUP4K_PCMCIA_B_3V3;
+
+ /* Configure PCMCIA General Control Register */
+ debug ("Disable PCMCIA buffers and assert RESET\n");
+ reg = 0;
+ reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */
+ reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */
+ PCMCIA_PGCRX(slot) = reg;
+
+ udelay(10000);
+
+ return (0);
+}
+#endif
+
+
+int pcmcia_voltage_set(int slot, int vcc, int vpp)
+{
+ volatile immap_t *immap;
+ volatile cpm8xx_t *cp;
+ volatile pcmconf8xx_t *pcmp;
+ u_long reg;
+
+ debug ("voltage_set: " \
+ PCMCIA_BOARD_MSG \
+ " Slot %c, Vcc=%d.%d, Vpp=%d.%d\n",
+ 'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10);
+
+ if (!slot) /* Slot A is not configurable */
+ return 0;
+
+ immap = (immap_t *)CONFIG_SYS_IMMR;
+ pcmp = (pcmconf8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_pcmcia));
+ cp = (cpm8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_cpm));
+
+ /*
+ * Disable PCMCIA buffers (isolate the interface)
+ * and assert RESET signal
+ */
+ debug ("Disable PCMCIA buffers and assert RESET\n");
+ reg = PCMCIA_PGCRX(slot);
+ reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */
+ reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */
+ PCMCIA_PGCRX(slot) = reg;
+ udelay(500);
+
+ debug ("PCMCIA power OFF\n");
+ /*
+ * Configure Port B pins for
+ * 3 Volts enable
+ */
+ cp->cp_pbdir |= KUP4K_PCMCIA_B_3V3;
+ cp->cp_pbpar &= ~KUP4K_PCMCIA_B_3V3;
+ /* remove all power */
+ cp->cp_pbdat |= KUP4K_PCMCIA_B_3V3; /* active low */
+
+ switch(vcc) {
+ case 0: break;
+ case 33:
+ cp->cp_pbdat &= ~KUP4K_PCMCIA_B_3V3;
+ debug ("PCMCIA powered at 3.3V\n");
+ break;
+ case 50:
+ debug ("PCMCIA: 5Volt vcc not supported\n");
+ break;
+ default:
+ puts("PCMCIA: vcc not supported");
+ break;
+ }
+ udelay(10000);
+ /* Checking supported voltages */
+
+ debug ("PIPR: 0x%x --> %s\n",
+ pcmp->pcmc_pipr,
+ (pcmp->pcmc_pipr & (0x80000000 >> (slot << 4)))
+ ? "only 5 V --> NOT SUPPORTED"
+ : "can do 3.3V");
+
+
+ debug ("Enable PCMCIA buffers and stop RESET\n");
+ reg = PCMCIA_PGCRX(slot);
+ reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */
+ reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */
+ PCMCIA_PGCRX(slot) = reg;
+ udelay(500);
+
+ debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n",
+ slot+'A');
+ return (0);
+}
+
+#endif /* CONFIG_PCMCIA */
generated by cgit v1.1 at 2025-01-08 23:48:57 +0000