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authorH. Nikolaus Schaller <hns@goldelico.com>2012-03-26 20:55:28 +0200
committerH. Nikolaus Schaller <hns@goldelico.com>2012-03-26 20:55:28 +0200
commit92988a21ad4c4c9504295ccb580c9f806134471b (patch)
tree5effc9f14170112450de05c67dafbe8d5034d595 /u-boot/board/mbx8xx
parentca2b506783b676c95762c54ea24dcfdaae1947c9 (diff)
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added boot script files to repository
Diffstat (limited to 'u-boot/board/mbx8xx')
-rw-r--r--u-boot/board/mbx8xx/Makefile44
-rw-r--r--u-boot/board/mbx8xx/csr.h60
-rw-r--r--u-boot/board/mbx8xx/dimm.h98
-rw-r--r--u-boot/board/mbx8xx/flash.c408
-rw-r--r--u-boot/board/mbx8xx/mbx8xx.c392
-rw-r--r--u-boot/board/mbx8xx/pcmcia.c162
-rw-r--r--u-boot/board/mbx8xx/u-boot.lds95
-rw-r--r--u-boot/board/mbx8xx/u-boot.lds.debug136
-rw-r--r--u-boot/board/mbx8xx/vpd.c196
-rw-r--r--u-boot/board/mbx8xx/vpd.h119
10 files changed, 1710 insertions, 0 deletions
diff --git a/u-boot/board/mbx8xx/Makefile b/u-boot/board/mbx8xx/Makefile
new file mode 100644
index 0000000..a98a017
--- /dev/null
+++ b/u-boot/board/mbx8xx/Makefile
@@ -0,0 +1,44 @@
+#
+# (C) Copyright 2000-2006
+# 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 $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(BOARD).o
+
+COBJS = $(BOARD).o flash.o vpd.o pcmcia.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(obj).depend $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/u-boot/board/mbx8xx/csr.h b/u-boot/board/mbx8xx/csr.h
new file mode 100644
index 0000000..d1a58b6
--- /dev/null
+++ b/u-boot/board/mbx8xx/csr.h
@@ -0,0 +1,60 @@
+#ifndef __csr_h
+#define __csr_h
+
+/*
+ * (C) Copyright 2000
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * Control and Status Register definitions for the MBX
+ *
+ *--------------------------------------------------------------------
+ * 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
+ */
+
+/* bits for control register #1 / status register #1 */
+#define CSR1_ETEN 0x80 /* Ethernet Transceiver Enabled */
+#define CSR1_ELEN 0x40 /* Ethernet XCVR in Internal Loopback */
+#define CSR1_EAEN 0x20 /* Auto selection TP/AUI Enabled */
+#define CSR1_TPEN 0x10 /* TP manually selected */
+#define CSR1_FDDIS 0x08 /* Full Duplex Mode disabled */
+#define CSR1_FCTEN 0x04 /* Collision Testing of XCVR disabled */
+#define CSR1_COM1EN 0x02 /* COM1 signals routed to RS232 Transceiver */
+#define CSR1_XCVRDIS 0x01 /* Onboard RS232 Transceiver Disabled */
+
+/* bits for control register #2 */
+#define CR2_VDDSEL 0xC0 /* PCMCIA Supply Voltage */
+#define CR2_VPPSEL 0x30 /* PCMCIA Programming Voltage */
+#define CR2_BRDFAIL 0x08 /* Board fail */
+#define CR2_SWS1 0x04 /* Software Status #2 LED */
+#define CR2_SWS2 0x02 /* Software Status #2 LED */
+#define CR2_QSPANRST 0x01 /* Reset QSPAN */
+
+/* bits for status register #2 */
+#define SR2_VDDSEL 0xC0 /* PCMCIA Supply Voltage */
+#define SR2_VPPSEL 0x30 /* PCMCIA Programming Voltage */
+#define SR2_BATGD 0x08 /* Low Voltage indication for onboard bat */
+#define SR2_NVBATGD 0x04 /* Low Voltage indication for NVRAM */
+#define SR2_RDY 0x02 /* Flash programming status bit */
+#define SR2_FT 0x01 /* Reserved for Factory test purposes */
+
+#define MBX_CSR1 (*((uchar *)CONFIG_SYS_CSR_BASE))
+#define MBX_CSR2 (*((uchar *)CONFIG_SYS_CSR_BASE + 1))
+
+#endif /* __csr_h */
diff --git a/u-boot/board/mbx8xx/dimm.h b/u-boot/board/mbx8xx/dimm.h
new file mode 100644
index 0000000..b40f112
--- /dev/null
+++ b/u-boot/board/mbx8xx/dimm.h
@@ -0,0 +1,98 @@
+#ifndef __dimm_h
+#define __dimm_h
+
+/*
+ * Module name: %M%
+ * Description:
+ * Serial Presence Detect Definitions Module
+ * SCCS identification: %I%
+ * Branch: %B%
+ * Sequence: %S%
+ * Date newest applied delta was created (MM/DD/YY): %G%
+ * Time newest applied delta was created (HH:MM:SS): %U%
+ * SCCS file name %F%
+ * Fully qualified SCCS file name:
+ * %P%
+ * Copyright:
+ * (C) COPYRIGHT MOTOROLA, INC. 1996
+ * ALL RIGHTS RESERVED
+ * Notes:
+ * 1. All data was taken from an IBM application note titled
+ * "Serial Presence Detect Definitions".
+ * History:
+ * Date Who
+ *
+ * 10/24/96 Rob Baxter
+ * Initial release.
+ *
+ */
+
+/*
+ * serial PD byte assignment address map (256 byte EEPROM)
+ */
+typedef struct dimm
+{
+ uchar n_bytes; /* 00 number of bytes written/used */
+ uchar t_bytes; /* 01 total number of bytes in serial PD device */
+ uchar fmt; /* 02 fundamental memory type (FPM/EDO/SDRAM) */
+ uchar n_row; /* 03 number of rows */
+ uchar n_col; /* 04 number of columns */
+ uchar n_banks; /* 05 number of banks */
+ uchar data_w_lo; /* 06 data width */
+ uchar data_w_hi; /* 07 data width */
+ uchar ifl; /* 08 interface levels */
+ uchar a_ras; /* 09 RAS access */
+ uchar a_cas; /* 0A CAS access */
+ uchar ct; /* 0B configuration type (non-parity/parity/ECC) */
+ uchar refresh_rt; /* 0C refresh rate/type */
+ uchar p_dram_o; /* 0D primary DRAM organization */
+ uchar s_dram_o; /* 0E secondary DRAM organization (parity/ECC-checkbits) */
+ uchar reserved[17]; /* 0F reserved fields for future offerings */
+ uchar ss_info[32]; /* 20 superset information (may be used in the future) */
+ uchar m_info[64]; /* 40 manufacturer information (optional) */
+ uchar unused[128]; /* 80 unused storage locations */
+} dimm_t;
+
+/*
+ * memory type definitions
+ */
+#define DIMM_MT_FPM 1 /* standard FPM (fast page mode) DRAM */
+#define DIMM_MT_EDO 2 /* EDO (extended data out) */
+#define DIMM_MT_PN 3 /* pipelined nibble */
+#define DIMM_MT_SDRAM 4 /* SDRAM (synchronous DRAM) */
+
+/*
+ * row addresses definitions
+ */
+#define DIMM_RA_RDNDNT (1<<7) /* redundant addressing */
+#define DIMM_RA_MASK 0x7f /* number of row addresses mask */
+
+/*
+ * module interface levels definitions
+ */
+#define DIMM_IFL_TTL 0 /* TTL/5V tolerant */
+#define DIMM_IFL_LVTTL 1 /* LVTTL (not 5V tolerant) */
+#define DIMM_IFL_HSTL15 2 /* HSTL 1.5 */
+#define DIMM_IFL_SSTL33 3 /* SSTL 3.3 */
+#define DIMM_IFL_SSTL25 4 /* SSTL 2.5 */
+
+/*
+ * DIMM configuration type definitions
+ */
+#define DIMM_CT_NONE 0 /* none */
+#define DIMM_CT_PARITY 1 /* parity */
+#define DIMM_CT_ECC 2 /* ECC */
+
+/*
+ * row addresses definitions
+ */
+#define DIMM_RRT_SR (1<<7) /* self refresh flag */
+#define DIMM_RRT_MASK 0x7f /* refresh rate mask */
+#define DIMM_RRT_NRML 0x00 /* normal (15.625us) */
+#define DIMM_RRT_R_3_9 0x01 /* reduced .25x (3.9us) */
+#define DIMM_RRT_R_7_8 0x02 /* reduced .5x (7.8us) */
+#define DIMM_RRT_E_31_3 0x03 /* extended 2x (31.3us) */
+#define DIMM_RRT_E_62_5 0x04 /* extended 4x (62.5us) */
+#define DIMM_RRT_E_125 0x05 /* extended 8x (125us) */
+
+#endif /* __dimm_h */
diff --git a/u-boot/board/mbx8xx/flash.c b/u-boot/board/mbx8xx/flash.c
new file mode 100644
index 0000000..2ec420d
--- /dev/null
+++ b/u-boot/board/mbx8xx/flash.c
@@ -0,0 +1,408 @@
+/*
+ * (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 AM290[48]0B 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>
+#include "vpd.h"
+
+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)
+{
+ unsigned long size, totsize;
+ int i;
+ ulong addr;
+
+ /* Init: no FLASHes known */
+ for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i) {
+ flash_info[i].flash_id = FLASH_UNKNOWN;
+ }
+
+ totsize = 0;
+ addr = 0xfc000000;
+ for(i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) {
+ size = flash_get_size((vu_long *)addr, &flash_info[i]);
+ if (flash_info[i].flash_id == FLASH_UNKNOWN)
+ break;
+ totsize += size;
+ addr += size;
+ }
+
+ addr = 0xfe000000;
+ for(i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) {
+
+ size = flash_get_size((vu_long *)addr, &flash_info[i]);
+ if (flash_info[i].flash_id == FLASH_UNKNOWN)
+ break;
+ totsize += size;
+ addr += size;
+ }
+
+#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
+
+ return (totsize);
+}
+
+/*-----------------------------------------------------------------------
+ */
+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) {
+ 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!
+ */
+
+static ulong flash_get_size (vu_long *addr, flash_info_t *info)
+{
+ short i;
+ ulong vendor, devid;
+ ulong base = (ulong)addr;
+
+ /* Write auto select command: read Manufacturer ID */
+ addr[0x0555] = 0xAAAAAAAA;
+ addr[0x02AA] = 0x55555555;
+ addr[0x0555] = 0x90909090;
+
+ vendor = addr[0];
+ devid = addr[1] & 0xff;
+
+ /* only support AMD */
+ if (vendor != 0x01010101) {
+ return 0;
+ }
+
+ vendor &= 0xf;
+ devid &= 0xff;
+
+ if (devid == AMD_ID_F040B) {
+ info->flash_id = vendor << 16 | devid;
+ info->sector_count = 8;
+ info->size = info->sector_count * 0x10000;
+ }
+ else if (devid == AMD_ID_F080B) {
+ info->flash_id = vendor << 16 | devid;
+ info->sector_count = 16;
+ info->size = 4 * info->sector_count * 0x10000;
+ }
+ else if (devid == AMD_ID_F016D) {
+ info->flash_id = vendor << 16 | devid;
+ info->sector_count = 32;
+ info->size = 4 * info->sector_count * 0x10000;
+ }
+ else {
+ printf ("## Unknown Flash Type: %08lx\n", devid);
+ return 0;
+ }
+
+ /* 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;
+ }
+
+ /*
+ * Prevent writes to uninitialized FLASH.
+ */
+ if (info->flash_id != FLASH_UNKNOWN) {
+ addr = (vu_long *)info->start[0];
+ addr[0] = 0xF0; /* 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, 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;
+
+ /* 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)) > CONFIG_SYS_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) > CONFIG_SYS_FLASH_WRITE_TOUT) {
+ return (1);
+ }
+ }
+ return (0);
+}
+
+/*-----------------------------------------------------------------------
+ */
diff --git a/u-boot/board/mbx8xx/mbx8xx.c b/u-boot/board/mbx8xx/mbx8xx.c
new file mode 100644
index 0000000..255796b
--- /dev/null
+++ b/u-boot/board/mbx8xx/mbx8xx.c
@@ -0,0 +1,392 @@
+/*
+ * (C) Copyright 2000
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * Board specific routines for the MBX
+ *
+ * - initialisation
+ * - interface to VPD data (mac address, clock speeds)
+ * - memory controller
+ * - serial io initialisation
+ * - ethernet io initialisation
+ *
+ * -----------------------------------------------------------------
+ * 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 <commproc.h>
+#include <mpc8xx.h>
+#include <net.h>
+#include "dimm.h"
+#include "vpd.h"
+#include "csr.h"
+
+/* ------------------------------------------------------------------------- */
+
+static const uint sdram_table_40[] = {
+ /* DRAM - single read. (offset 0 in upm RAM)
+ */
+ 0xCFAFC004, 0x0FAFC404, 0x0CAF0C04, 0x30AF0C00,
+ 0xF1BF4805, 0xFFFFC005, 0xFFFFC005, 0xFFFFC005,
+
+ /* DRAM - burst read. (offset 8 in upm RAM)
+ */
+ 0xCFAFC004, 0x0FAFC404, 0x0CAF0C04, 0x03AF0C08,
+ 0x0CAF0C04, 0x03AF0C08, 0x0CAF0C04, 0x03AF0C08,
+ 0x0CAF0C04, 0x30AF0C00, 0xF3BF4805, 0xFFFFC005,
+ 0xFFFFC005, 0xFFFFC005, 0xFFFFC005, 0xFFFFC005,
+
+ /* DRAM - single write. (offset 18 in upm RAM)
+ */
+ 0xCFFF0004, 0x0FFF0404, 0x0CFF0C00, 0x33FF4804,
+ 0xFFFFC005, 0xFFFFC005, 0xFFFFC005, 0xFFFFC005,
+
+ /* DRAM - burst write. (offset 20 in upm RAM)
+ */
+ 0xCFFF0004, 0x0FFF0404, 0x0CFF0C00, 0x03FF0C0C,
+ 0x0CFF0C00, 0x03FF0C0C, 0x0CFF0C00, 0x03FF0C0C,
+ 0x0CFF0C00, 0x33FF4804, 0xFFFFC005, 0xFFFFC005,
+ 0xFFFFC005, 0xFFFFC005, 0xFFFFC005, 0xFFFFC005,
+
+ /* refresh (offset 30 in upm RAM)
+ */
+ 0xFCFFC004, 0xC0FFC004, 0x01FFC004, 0x0FFFC004,
+ 0x3FFFC004, 0xFFFFC005, 0xFFFFC005, 0xFFFFC005,
+ 0xFFFFC005, 0xFFFFC005, 0xFFFFC005, 0xFFFFC005,
+
+ /* exception. (offset 3c in upm RAM)
+ */
+ 0xFFFFC007, 0xFFFFC007, 0xFFFFC007, 0xFFFFC007,
+};
+
+static const uint sdram_table_50[] = {
+ /* DRAM - single read. (offset 0 in upm RAM)
+ */
+ 0xCFAFC004, 0x0FAFC404, 0x0CAF8C04, 0x10AF0C04,
+ 0xF0AF0C00, 0xF3BF4805, 0xFFFFC005, 0xFFFFC005,
+
+ /* DRAM - burst read. (offset 8 in upm RAM)
+ */
+ 0xCFAFC004, 0X0FAFC404, 0X0CAF8C04, 0X00AF0C04,
+ /* 0X07AF0C08, 0X0CAF0C04, 0X01AF0C04, 0X0FAF0C04, */
+ 0X07AF0C08, 0X0CAF0C04, 0X01AF0C04, 0X0FAF0C08,
+ 0X0CAF0C04, 0X01AF0C04, 0X0FAF0C08, 0X0CAF0C04,
+ /* 0X10AF0C04, 0XF0AFC000, 0XF3FF4805, 0XFFFFC005, */
+ 0X10AF0C04, 0XF0AFC000, 0XF3BF4805, 0XFFFFC005,
+
+ /* DRAM - single write. (offset 18 in upm RAM)
+ */
+ 0xCFFF0004, 0x0FFF0404, 0x0CFF0C00, 0x13FF4804,
+ 0xFFFFC004, 0xFFFFC005, 0xFFFFC005, 0xFFFFC005,
+
+ /* DRAM - burst write. (offset 20 in upm RAM)
+ */
+ 0xCFFF0004, 0x0FFF0404, 0x0CFF0C00, 0x03FF0C0C,
+ 0x0CFF0C00, 0x03FF0C0C, 0x0CFF0C00, 0x03FF0C0C,
+ 0x0CFF0C00, 0x13FF4804, 0xFFFFC004, 0xFFFFC005,
+ 0xFFFFC005, 0xFFFFC005, 0xFFFFC005, 0xFFFFC005,
+
+ /* refresh (offset 30 in upm RAM)
+ */
+ 0xFCFFC004, 0xC0FFC004, 0x01FFC004, 0x0FFFC004,
+ 0x1FFFC004, 0xFFFFC004, 0xFFFFC005, 0xFFFFC005,
+ 0xFFFFC005, 0xFFFFC005, 0xFFFFC005, 0xFFFFC005,
+
+ /* exception. (offset 3c in upm RAM)
+ */
+ 0xFFFFC007, 0xFFFFC007, 0xFFFFC007, 0xFFFFC007,
+};
+
+/* ------------------------------------------------------------------------- */
+
+static unsigned int get_reffreq(void);
+static unsigned int board_get_cpufreq(void);
+
+void mbx_init (void)
+{
+ volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
+ volatile memctl8xx_t *memctl = &immr->im_memctl;
+ ulong speed, refclock, plprcr, sccr;
+ ulong br0_32 = memctl->memc_br0 & 0x400;
+
+ /* real-time clock status and control register */
+ immr->im_sitk.sitk_rtcsck = KAPWR_KEY;
+ immr->im_sit.sit_rtcsc = 0x00C3;
+
+ /* SIEL and SIMASK Registers (see MBX PRG 2-3) */
+ immr->im_siu_conf.sc_simask = 0x00000000;
+ immr->im_siu_conf.sc_siel = 0xAAAA0000;
+ immr->im_siu_conf.sc_tesr = 0xFFFFFFFF;
+
+ /*
+ * Prepare access to i2c bus. The MBX offers 3 devices on the i2c bus:
+ * 1. Vital Product Data (contains clock speeds, MAC address etc, see vpd.h)
+ * 2. RAM Specs (see dimm.h)
+ * 2. DIMM Specs (see dimm.h)
+ */
+ vpd_init ();
+
+ /* system clock and reset control register */
+ immr->im_clkrstk.cark_sccrk = KAPWR_KEY;
+ sccr = immr->im_clkrst.car_sccr;
+ sccr &= SCCR_MASK;
+ sccr |= CONFIG_SYS_SCCR;
+ immr->im_clkrst.car_sccr = sccr;
+
+ speed = board_get_cpufreq ();
+ refclock = get_reffreq ();
+
+#if ((CONFIG_SYS_PLPRCR & PLPRCR_MF_MSK) != 0)
+ plprcr = CONFIG_SYS_PLPRCR;
+#else
+ plprcr = immr->im_clkrst.car_plprcr;
+ plprcr &= PLPRCR_MF_MSK; /* isolate MF field */
+ plprcr |= CONFIG_SYS_PLPRCR; /* reset control bits */
+#endif
+
+#ifdef CONFIG_SYS_USE_OSCCLK /* See doc/README.MBX ! */
+ plprcr |= ((speed + refclock / 2) / refclock - 1) << 20;
+#endif
+
+ immr->im_clkrstk.cark_plprcrk = KAPWR_KEY;
+ immr->im_clkrst.car_plprcr = plprcr;
+
+ /*
+ * preliminary setup of memory controller:
+ * - map Flash, otherwise configuration/status
+ * registers won't be accessible when read
+ * by board_init_f.
+ * - map NVRAM and configuation/status registers.
+ * - map pci registers.
+ * - DON'T map ram yet, this is done in initdram().
+ */
+ switch (speed / 1000000) {
+ case 40:
+ memctl->memc_br0 = 0xFE000000 | br0_32 | 1;
+ memctl->memc_or0 = 0xFF800930;
+ memctl->memc_or4 = CONFIG_SYS_NVRAM_OR | 0x920;
+ memctl->memc_br4 = CONFIG_SYS_NVRAM_BASE | 0x401;
+ break;
+ case 50:
+ memctl->memc_br0 = 0xFE000000 | br0_32 | 1;
+ memctl->memc_or0 = 0xFF800940;
+ memctl->memc_or4 = CONFIG_SYS_NVRAM_OR | 0x930;
+ memctl->memc_br4 = CONFIG_SYS_NVRAM_BASE | 0x401;
+ break;
+ default:
+ hang ();
+ break;
+ }
+#ifdef CONFIG_USE_PCI
+ memctl->memc_or5 = CONFIG_SYS_PCIMEM_OR;
+ memctl->memc_br5 = CONFIG_SYS_PCIMEM_BASE | 0x001;
+ memctl->memc_or6 = CONFIG_SYS_PCIBRIDGE_OR;
+ memctl->memc_br6 = CONFIG_SYS_PCIBRIDGE_BASE | 0x001;
+#endif
+ /*
+ * FIXME: I do not understand why I have to call this to
+ * initialise the control register here before booting from
+ * the PCMCIA card but if I do not the Linux kernel falls
+ * over in a big heap. If you can answer this question I
+ * would like to know about it.
+ */
+ board_ether_init();
+}
+
+void board_serial_init (void)
+{
+ MBX_CSR1 &= ~(CSR1_COM1EN | CSR1_XCVRDIS);
+}
+
+void board_ether_init (void)
+{
+ MBX_CSR1 &= ~(CSR1_EAEN | CSR1_ELEN);
+ MBX_CSR1 |= CSR1_ETEN | CSR1_TPEN | CSR1_FDDIS;
+}
+
+static unsigned int board_get_cpufreq (void)
+{
+#ifndef CONFIG_8xx_GCLK_FREQ
+ vpd_packet_t *packet;
+
+ packet = vpd_find_packet (VPD_PID_ICS);
+ return *((ulong *) packet->data);
+#else
+ return((unsigned int)CONFIG_8xx_GCLK_FREQ );
+#endif /* CONFIG_8xx_GCLK_FREQ */
+}
+
+static unsigned int get_reffreq (void)
+{
+ vpd_packet_t *packet;
+
+ packet = vpd_find_packet (VPD_PID_RCS);
+ return *((ulong *) packet->data);
+}
+
+static void board_get_enetaddr(uchar *addr)
+{
+ int i;
+ vpd_packet_t *packet;
+
+ packet = vpd_find_packet (VPD_PID_EA);
+ for (i = 0; i < 6; i++)
+ addr[i] = packet->data[i];
+}
+
+int misc_init_r(void)
+{
+ uchar enetaddr[6];
+
+ if (!eth_getenv_enetaddr("ethaddr", enetaddr)) {
+ board_get_enetaddr(enetaddr);
+ eth_setenv_enetaddr("ethaddr", enetaddr);
+ }
+
+ return 0;
+}
+
+/*
+ * Check Board Identity:
+ */
+
+int checkboard (void)
+{
+ vpd_packet_t *packet;
+ int i;
+ const char *const fmt =
+ "\n *** Warning: Low Battery Status - %s Battery ***";
+
+ puts ("Board: ");
+
+ packet = vpd_find_packet (VPD_PID_PID);
+ for (i = 0; i < packet->size; i++) {
+ serial_putc (packet->data[i]);
+ }
+ packet = vpd_find_packet (VPD_PID_MT);
+ for (i = 0; i < packet->size; i++) {
+ serial_putc (packet->data[i]);
+ }
+ serial_putc ('(');
+ packet = vpd_find_packet (VPD_PID_FAN);
+ for (i = 0; i < packet->size; i++) {
+ serial_putc (packet->data[i]);
+ }
+ serial_putc (')');
+
+ if (!(MBX_CSR2 & SR2_BATGD))
+ printf (fmt, "On-Board");
+ if (!(MBX_CSR2 & SR2_NVBATGD))
+ printf (fmt, "NVRAM");
+
+ serial_putc ('\n');
+
+ return (0);
+}
+
+/* ------------------------------------------------------------------------- */
+
+static ulong get_ramsize (dimm_t * dimm)
+{
+ ulong size = 0;
+
+ if (dimm->fmt == 1 || dimm->fmt == 2 || dimm->fmt == 3
+ || dimm->fmt == 4) {
+ size = (1 << (dimm->n_row + dimm->n_col)) * dimm->n_banks *
+ ((dimm->data_w_hi << 8 | dimm->data_w_lo) / 8);
+ }
+
+ return size;
+}
+
+phys_size_t initdram (int board_type)
+{
+ volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
+ volatile memctl8xx_t *memctl = &immap->im_memctl;
+ unsigned long ram_sz = 0;
+ unsigned long dimm_sz = 0;
+ dimm_t vpd_dimm, vpd_dram;
+ unsigned int speed = board_get_cpufreq () / 1000000;
+
+ if (vpd_read (0xa2, (uchar *) & vpd_dimm, sizeof (vpd_dimm), 0) > 0) {
+ dimm_sz = get_ramsize (&vpd_dimm);
+ }
+ if (vpd_read (0xa6, (uchar *) & vpd_dram, sizeof (vpd_dram), 0) > 0) {
+ ram_sz = get_ramsize (&vpd_dram);
+ }
+
+ /*
+ * Only initialize memory controller when running from FLASH.
+ * When running from RAM, don't touch it.
+ */
+ if ((ulong) initdram & 0xff000000) {
+ ulong dimm_bank;
+ ulong br0_32 = memctl->memc_br0 & 0x400;
+
+ switch (speed) {
+ case 40:
+ upmconfig (UPMA, (uint *) sdram_table_40,
+ sizeof (sdram_table_40) / sizeof (uint));
+ memctl->memc_mptpr = 0x0200;
+ memctl->memc_mamr = dimm_sz ? 0x06801000 : 0x13801000;
+ memctl->memc_or7 = 0xff800930;
+ memctl->memc_br7 = 0xfc000000 | (br0_32 ^ br0_32) | 1;
+ break;
+ case 50:
+ upmconfig (UPMA, (uint *) sdram_table_50,
+ sizeof (sdram_table_50) / sizeof (uint));
+ memctl->memc_mptpr = 0x0200;
+ memctl->memc_mamr = dimm_sz ? 0x08801000 : 0x1880100;
+ memctl->memc_or7 = 0xff800940;
+ memctl->memc_br7 = 0xfc000000 | (br0_32 ^ br0_32) | 1;
+ break;
+ default:
+ hang ();
+ break;
+ }
+
+ /* now map ram and dimm, largest one first */
+ dimm_bank = dimm_sz / 2;
+ if (!dimm_sz) {
+ memctl->memc_or1 = ~(ram_sz - 1) | 0x400;
+ memctl->memc_br1 = CONFIG_SYS_SDRAM_BASE | 0x81;
+ memctl->memc_br2 = 0;
+ memctl->memc_br3 = 0;
+ } else if (ram_sz > dimm_bank) {
+ memctl->memc_or1 = ~(ram_sz - 1) | 0x400;
+ memctl->memc_br1 = CONFIG_SYS_SDRAM_BASE | 0x81;
+ memctl->memc_or2 = ~(dimm_bank - 1) | 0x400;
+ memctl->memc_br2 = (CONFIG_SYS_SDRAM_BASE + ram_sz) | 0x81;
+ memctl->memc_or3 = ~(dimm_bank - 1) | 0x400;
+ memctl->memc_br3 = (CONFIG_SYS_SDRAM_BASE + ram_sz + dimm_bank) \
+ | 0x81;
+ } else {
+ memctl->memc_or2 = ~(dimm_bank - 1) | 0x400;
+ memctl->memc_br2 = CONFIG_SYS_SDRAM_BASE | 0x81;
+ memctl->memc_or3 = ~(dimm_bank - 1) | 0x400;
+ memctl->memc_br3 = (CONFIG_SYS_SDRAM_BASE + dimm_bank) | 0x81;
+ memctl->memc_or1 = ~(ram_sz - 1) | 0x400;
+ memctl->memc_br1 = (CONFIG_SYS_SDRAM_BASE + dimm_sz) | 0x81;
+ }
+ }
+
+ return ram_sz + dimm_sz;
+}
diff --git a/u-boot/board/mbx8xx/pcmcia.c b/u-boot/board/mbx8xx/pcmcia.c
new file mode 100644
index 0000000..e672d8c
--- /dev/null
+++ b/u-boot/board/mbx8xx/pcmcia.c
@@ -0,0 +1,162 @@
+#include <common.h>
+#include <mpc8xx.h>
+#include <pcmcia.h>
+
+#include "csr.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
+
+/* A lot of this has been taken from the RPX code in this file it works from me.
+ I have added the voltage selection for the MBX board. */
+
+/* MBX voltage bit in control register #2 */
+#define CR2_VPP12 ((uchar)0x10)
+#define CR2_VPPVDD ((uchar)0x20)
+#define CR2_VDD5 ((uchar)0x40)
+#define CR2_VDD3 ((uchar)0x80)
+
+#define PCMCIA_BOARD_MSG "MBX860"
+
+int pcmcia_voltage_set (int slot, int vcc, int vpp)
+{
+ uchar reg = 0;
+
+ 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);
+
+ switch (vcc) {
+ case 0:
+ break;
+ case 33:
+ reg |= CR2_VDD3;
+ break;
+ case 50:
+ reg |= CR2_VDD5;
+ break;
+ default:
+ return 1;
+ }
+
+ switch (vpp) {
+ case 0:
+ break;
+ case 33:
+ case 50:
+ if (vcc == vpp) {
+ reg |= CR2_VPPVDD;
+ } else {
+ return 1;
+ }
+ break;
+ case 120:
+ reg |= CR2_VPP12;
+ break;
+ default:
+ return 1;
+ }
+
+ /* first, turn off all power */
+ MBX_CSR2 &= ~(CR2_VDDSEL | CR2_VPPSEL);
+
+ /* enable new powersettings */
+ MBX_CSR2 |= reg;
+ debug ("MBX_CSR2 read = 0x%02x\n", MBX_CSR2);
+
+ return (0);
+}
+
+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));
+
+ /* 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 (500);
+
+ /* remove all power */
+ pcmcia_voltage_set (slot, 0, 0);
+ /*
+ * 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 & (0x10000000 >> (slot << 4))) {
+ printf (" No Card found\n");
+ return (1);
+ }
+
+ /*
+ * Power On.
+ */
+ 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) {
+ pcmcia_voltage_set (_slot_, 50, 0);
+ printf (" 5.0V card found: ");
+ } else {
+ pcmcia_voltage_set (_slot_, 33, 0);
+ printf (" 3.3V card found: ");
+ }
+
+ 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)
+{
+ return 0; /* No hardware to disable */
+}
+#endif
+
+#endif /* CONFIG_PCMCIA */
diff --git a/u-boot/board/mbx8xx/u-boot.lds b/u-boot/board/mbx8xx/u-boot.lds
new file mode 100644
index 0000000..fbd901a
--- /dev/null
+++ b/u-boot/board/mbx8xx/u-boot.lds
@@ -0,0 +1,95 @@
+/*
+ * (C) Copyright 2000-2010
+ * 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
+ */
+
+OUTPUT_ARCH(powerpc)
+
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ . = + SIZEOF_HEADERS;
+ .text :
+ {
+ arch/powerpc/cpu/mpc8xx/start.o (.text*)
+ arch/powerpc/cpu/mpc8xx/traps.o (.text*)
+
+ *(.text*)
+ }
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
+ }
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x00FF) & 0xFFFFFF00;
+ _erotext = .;
+ PROVIDE (erotext = .);
+ .reloc :
+ {
+ KEEP(*(.got))
+ _GOT2_TABLE_ = .;
+ KEEP(*(.got2))
+ _FIXUP_TABLE_ = .;
+ KEEP(*(.fixup))
+ }
+ __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+ __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+ .data :
+ {
+ *(.data*)
+ *(.sdata*)
+ }
+ _edata = .;
+ PROVIDE (edata = .);
+
+ . = .;
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+
+ . = .;
+ __start___ex_table = .;
+ __ex_table : { *(__ex_table) }
+ __stop___ex_table = .;
+
+ . = ALIGN(256);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(256);
+ __init_end = .;
+
+ __bss_start = .;
+ .bss (NOLOAD) :
+ {
+ *(.bss*)
+ *(.sbss*)
+ *(COMMON)
+ . = ALIGN(4);
+ }
+ _end = . ;
+ PROVIDE (end = .);
+}
diff --git a/u-boot/board/mbx8xx/u-boot.lds.debug b/u-boot/board/mbx8xx/u-boot.lds.debug
new file mode 100644
index 0000000..a7a67a9
--- /dev/null
+++ b/u-boot/board/mbx8xx/u-boot.lds.debug
@@ -0,0 +1,136 @@
+/*
+ * (C) Copyright 2000
+ * 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
+ */
+
+OUTPUT_ARCH(powerpc)
+/* Do we need any of these for elf?
+ __DYNAMIC = 0; */
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ . = + SIZEOF_HEADERS;
+ .interp : { *(.interp) }
+ .hash : { *(.hash) }
+ .dynsym : { *(.dynsym) }
+ .dynstr : { *(.dynstr) }
+ .rel.text : { *(.rel.text) }
+ .rela.text : { *(.rela.text) }
+ .rel.data : { *(.rel.data) }
+ .rela.data : { *(.rela.data) }
+ .rel.rodata : { *(.rel.rodata) }
+ .rela.rodata : { *(.rela.rodata) }
+ .rel.got : { *(.rel.got) }
+ .rela.got : { *(.rela.got) }
+ .rel.ctors : { *(.rel.ctors) }
+ .rela.ctors : { *(.rela.ctors) }
+ .rel.dtors : { *(.rel.dtors) }
+ .rela.dtors : { *(.rela.dtors) }
+ .rel.bss : { *(.rel.bss) }
+ .rela.bss : { *(.rela.bss) }
+ .rel.plt : { *(.rel.plt) }
+ .rela.plt : { *(.rela.plt) }
+ .init : { *(.init) }
+ .plt : { *(.plt) }
+ .text :
+ {
+ /* WARNING - the following is hand-optimized to fit within */
+ /* the sector layout of our flash chips! XXX FIXME XXX */
+
+ arch/powerpc/cpu/mpc8xx/start.o (.text)
+ common/dlmalloc.o (.text)
+ lib/vsprintf.o (.text)
+ lib/crc32.o (.text)
+ arch/powerpc/lib/extable.o (.text)
+
+ . = env_offset;
+ common/env_embedded.o(.text)
+
+ *(.text)
+ *(.got1)
+ }
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata1)
+ *(.rodata.str1.4)
+ *(.eh_frame)
+ }
+ .fini : { *(.fini) } =0
+ .ctors : { *(.ctors) }
+ .dtors : { *(.dtors) }
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x0FFF) & 0xFFFFF000;
+ _erotext = .;
+ PROVIDE (erotext = .);
+ .reloc :
+ {
+ *(.got)
+ _GOT2_TABLE_ = .;
+ *(.got2)
+ _FIXUP_TABLE_ = .;
+ *(.fixup)
+ }
+ __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+ __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+ .data :
+ {
+ *(.data)
+ *(.data1)
+ *(.sdata)
+ *(.sdata2)
+ *(.dynamic)
+ CONSTRUCTORS
+ }
+ _edata = .;
+ PROVIDE (edata = .);
+
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+
+ __start___ex_table = .;
+ __ex_table : { *(__ex_table) }
+ __stop___ex_table = .;
+
+ . = ALIGN(4096);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(4096);
+ __init_end = .;
+
+ __bss_start = .;
+ .bss :
+ {
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ }
+ _end = . ;
+ PROVIDE (end = .);
+}
diff --git a/u-boot/board/mbx8xx/vpd.c b/u-boot/board/mbx8xx/vpd.c
new file mode 100644
index 0000000..1c99fd6
--- /dev/null
+++ b/u-boot/board/mbx8xx/vpd.c
@@ -0,0 +1,196 @@
+/*
+ * (C) Copyright 2000
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * Code in faintly related to linux/arch/powerpc/8xx_io:
+ * MPC8xx CPM I2C interface. Copyright (c) 1999 Dan Malek (dmalek@jlc.net).
+ *
+ * This file implements functions to read the MBX's Vital Product Data
+ * (VPD). I can't use the more general i2c code in mpc8xx/... since I need
+ * the VPD at a time where there is no RAM available yet. Hence the VPD is
+ * read into a special area in the DPRAM (see config_MBX.h::CFG_DPRAMVPD).
+ *
+ * -----------------------------------------------------------------
+ * 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>
+#ifdef CONFIG_8xx
+#include <commproc.h>
+#endif
+#include "vpd.h"
+
+/* Location of receive/transmit buffer descriptors
+ * Allocate one transmit bd and one receive bd.
+ * IIC_BD_FREE points to free bd space which we'll use as tx buffer.
+ */
+#define IIC_BD_TX1 (BD_IIC_START + 0*sizeof(cbd_t))
+#define IIC_BD_TX2 (BD_IIC_START + 1*sizeof(cbd_t))
+#define IIC_BD_RX (BD_IIC_START + 2*sizeof(cbd_t))
+#define IIC_BD_FREE (BD_IIC_START + 3*sizeof(cbd_t))
+
+/* FIXME -- replace 0x2000 with offsetof */
+#define VPD_P ((vpd_t *)(CONFIG_SYS_IMMR + 0x2000 + CONFIG_SYS_DPRAMVPD))
+
+/* transmit/receive buffers */
+#define IIC_RX_LENGTH 128
+
+#define WITH_MICROCODE_PATCH
+
+vpd_packet_t * vpd_find_packet(u_char ident)
+{
+ vpd_packet_t *packet;
+ vpd_t *vpd = VPD_P;
+
+ packet = (vpd_packet_t *)&vpd->packets;
+ while ((packet->identifier != ident) && packet->identifier != 0xFF)
+ {
+ packet = (vpd_packet_t *)((char *)packet + packet->size + 2);
+ }
+ return packet;
+}
+
+void vpd_init(void)
+{
+ volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
+ volatile cpm8xx_t *cp = &(im->im_cpm);
+ volatile i2c8xx_t *i2c = (i2c8xx_t *)&(im->im_i2c);
+ volatile iic_t *iip;
+#ifdef WITH_MICROCODE_PATCH
+ ulong reloc = 0;
+#endif
+
+ iip = (iic_t *)&cp->cp_dparam[PROFF_IIC];
+
+ /*
+ * kludge: when running from flash, no microcode patch can be
+ * installed. However, the DPMEM usually contains non-zero
+ * garbage at the relocatable patch base location, so lets clear
+ * it now. This way the rest of the code can support the microcode
+ * patch dynamically.
+ */
+ if ((ulong)vpd_init & 0xff000000)
+ iip->iic_rpbase = 0;
+
+#ifdef WITH_MICROCODE_PATCH
+ /* Check for and use a microcode relocation patch. */
+ if ((reloc = iip->iic_rpbase))
+ iip = (iic_t *)&cp->cp_dpmem[iip->iic_rpbase];
+#endif
+ /* Initialize Port B IIC pins */
+ cp->cp_pbpar |= 0x00000030;
+ cp->cp_pbdir |= 0x00000030;
+ cp->cp_pbodr |= 0x00000030;
+
+ i2c->i2c_i2mod = 0x04; /* filter clock */
+ i2c->i2c_i2add = 0x34; /* select an arbitrary (unique) address */
+ i2c->i2c_i2brg = 0x07; /* make clock run maximum slow */
+ i2c->i2c_i2cmr = 0x00; /* disable interrupts */
+ i2c->i2c_i2cer = 0x1f; /* clear events */
+ i2c->i2c_i2com = 0x01; /* configure i2c to work as master */
+
+ if (vpd_read(0xa4, (uchar*)VPD_P, VPD_EEPROM_SIZE, 0) != VPD_EEPROM_SIZE)
+ {
+ hang();
+ }
+}
+
+
+/* Read from I2C.
+ * This is a two step process. First, we send the "dummy" write
+ * to set the device offset for the read. Second, we perform
+ * the read operation.
+ */
+int vpd_read(uint iic_device, uchar *buf, int count, int offset)
+{
+ volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
+ volatile cpm8xx_t *cp = &(im->im_cpm);
+ volatile i2c8xx_t *i2c = (i2c8xx_t *)&(im->im_i2c);
+ volatile iic_t *iip;
+ volatile cbd_t *tbdf1, *tbdf2, *rbdf;
+ uchar *tb;
+ uchar event;
+#ifdef WITH_MICROCODE_PATCH
+ ulong reloc = 0;
+#endif
+
+ iip = (iic_t *)&cp->cp_dparam[PROFF_IIC];
+#ifdef WITH_MICROCODE_PATCH
+ /* Check for and use a microcode relocation patch. */
+ if ((reloc = iip->iic_rpbase))
+ iip = (iic_t *)&cp->cp_dpmem[iip->iic_rpbase];
+#endif
+ tbdf1 = (cbd_t *)&cp->cp_dpmem[IIC_BD_TX1];
+ tbdf2 = (cbd_t *)&cp->cp_dpmem[IIC_BD_TX2];
+ rbdf = (cbd_t *)&cp->cp_dpmem[IIC_BD_RX];
+
+ /* Send a "dummy write" operation. This is a write request with
+ * only the offset sent, followed by another start condition.
+ * This will ensure we start reading from the first location
+ * of the EEPROM.
+ */
+ tb = (uchar*)&cp->cp_dpmem[IIC_BD_FREE];
+ tb[0] = iic_device & 0xfe; /* device address */
+ tb[1] = offset; /* offset */
+ tbdf1->cbd_bufaddr = (uint)tb;
+ tbdf1->cbd_datlen = 2;
+ tbdf1->cbd_sc = 0x8400;
+
+ tb += 2;
+ tb[0] = iic_device | 1; /* device address */
+ tbdf2->cbd_bufaddr = (uint)tb;
+ tbdf2->cbd_datlen = count+1;
+ tbdf2->cbd_sc = 0xbc00;
+
+ rbdf->cbd_bufaddr = (uint)buf;
+ rbdf->cbd_datlen = 0;
+ rbdf->cbd_sc = 0xb000;
+
+ iip->iic_tbase = IIC_BD_TX1;
+ iip->iic_tbptr = IIC_BD_TX1;
+ iip->iic_rbase = IIC_BD_RX;
+ iip->iic_rbptr = IIC_BD_RX;
+ iip->iic_rfcr = 0x15;
+ iip->iic_tfcr = 0x15;
+ iip->iic_mrblr = count;
+ iip->iic_rstate = 0;
+ iip->iic_tstate = 0;
+
+ i2c->i2c_i2cer = 0x1f; /* clear event mask */
+ i2c->i2c_i2mod |= 1; /* enable iic operation */
+ i2c->i2c_i2com |= 0x80; /* start master */
+
+ /* wait for IIC transfer */
+ do {
+ __asm__ volatile ("eieio");
+ event = i2c->i2c_i2cer;
+ } while (event == 0);
+
+ if ((event & 0x10) || (event & 0x04)) {
+ count = -1;
+ goto bailout;
+ }
+
+bailout:
+ i2c->i2c_i2mod &= ~1; /* turn off iic operation */
+ i2c->i2c_i2cer = 0x1f; /* clear event mask */
+
+ return count;
+}
diff --git a/u-boot/board/mbx8xx/vpd.h b/u-boot/board/mbx8xx/vpd.h
new file mode 100644
index 0000000..1d9eb7f
--- /dev/null
+++ b/u-boot/board/mbx8xx/vpd.h
@@ -0,0 +1,119 @@
+#ifndef __vpd_h
+#define __vpd_h
+
+/*
+ * Module name: %M%
+ * Description:
+ * Vital Product Data (VPD) Header Module
+ * SCCS identification: %I%
+ * Branch: %B%
+ * Sequence: %S%
+ * Date newest applied delta was created (MM/DD/YY): %G%
+ * Time newest applied delta was created (HH:MM:SS): %U%
+ * SCCS file name %F%
+ * Fully qualified SCCS file name:
+ * %P%
+ * Copyright:
+ * (C) COPYRIGHT MOTOROLA, INC. 1996
+ * ALL RIGHTS RESERVED
+ * Notes:
+ * History:
+ * Date Who
+ *
+ * 10/24/96 Rob Baxter
+ * Initial release.
+ *
+ */
+
+#define VPD_EEPROM_SIZE 256 /* EEPROM size in bytes */
+
+/*
+ * packet tuple identifiers
+ *
+ * 0x0D - 0xBF reserved
+ * 0xC0 - 0xFE user defined
+ */
+#define VPD_PID_GI 0x00 /* guaranteed illegal */
+#define VPD_PID_PID 0x01 /* product identifier (ASCII) */
+#define VPD_PID_FAN 0x02 /* factory assembly-number (ASCII) */
+#define VPD_PID_SN 0x03 /* serial-number (ASCII) */
+#define VPD_PID_PCO 0x04 /* product configuration options(binary) */
+#define VPD_PID_ICS 0x05 /* internal clock speed in HZ (integer) */
+#define VPD_PID_ECS 0x06 /* external clock speed in HZ (integer) */
+#define VPD_PID_RCS 0x07 /* reference clock speed in HZ(integer) */
+#define VPD_PID_EA 0x08 /* ethernet address (binary) */
+#define VPD_PID_MT 0x09 /* microprocessor type (ASCII) */
+#define VPD_PID_CRC 0x0A /* EEPROM CRC (integer) */
+#define VPD_PID_FMC 0x0B /* FLASH memory configuration (binary) */
+#define VPD_PID_VLSI 0x0C /* VLSI revisions/versions (binary) */
+#define VPD_PID_TERM 0xFF /* termination */
+
+/*
+ * VPD structure (format)
+ */
+#define VPD_EYE_SIZE 8 /* eyecatcher size */
+typedef struct vpd_header
+{
+ uchar eyecatcher[VPD_EYE_SIZE]; /* eyecatcher - "MOTOROLA" */
+ ushort size; /* size of EEPROM */
+} vpd_header_t;
+
+#define VPD_DATA_SIZE (VPD_EEPROM_SIZE-sizeof(vpd_header_t))
+typedef struct vpd
+{
+ vpd_header_t header; /* header */
+ uchar packets[VPD_DATA_SIZE]; /* data */
+} vpd_t;
+
+/*
+ * packet tuple structure (format)
+ */
+typedef struct vpd_packet
+{
+ uchar identifier; /* identifier (PIDs above) */
+ uchar size; /* size of the following data area */
+ uchar data[1]; /* data (size is dependent upon PID) */
+} vpd_packet_t;
+
+/*
+ * MBX product configuration options bit definitions
+ *
+ * Notes:
+ * 1. The bit numbering is reversed in perspective with the C compiler.
+ */
+#define PCO_BBRAM (1<<0) /* battery-backed RAM (BBRAM) and socket */
+#define PCO_BOOTROM (1<<1) /* boot ROM and socket (i.e., socketed FLASH) */
+#define PCO_KAPWR (1<<2) /* keep alive power source (lithium battey) and control circuit */
+#define PCO_ENET_TP (1<<3) /* ethernet twisted pair (TP) connector (RJ45) */
+#define PCO_ENET_AUI (1<<4) /* ethernet attachment unit interface (AUI) header */
+#define PCO_PCMCIA (1<<5) /* PCMCIA socket */
+#define PCO_DIMM (1<<6) /* DIMM module socket */
+#define PCO_DTT (1<<7) /* digital thermometer and thermostat (DTT) device */
+#define PCO_LCD (1<<8) /* liquid crystal display (LCD) device */
+#define PCO_PCI (1<<9) /* PCI-Bus bridge device (QSpan) and ISA-Bus bridge device (Winbond) */
+#define PCO_PCIO (1<<10) /* PC I/O (COM1, COM2, FDC, LPT, Keyboard/Mouse) */
+#define PCO_EIDE (1<<11) /* enhanced IDE (EIDE) header */
+#define PCO_FDC (1<<12) /* floppy disk controller (FDC) header */
+#define PCO_LPT_8XX (1<<13) /* parallel port header via MPC8xx */
+#define PCO_LPT_PCIO (1<<14) /* parallel port header via PC I/O */
+
+/*
+ * FLASH memory configuration packet data
+ */
+typedef struct vpd_fmc
+{
+ ushort mid; /* manufacturer's idenitfier */
+ ushort did; /* manufacturer's device idenitfier */
+ uchar ddw; /* device data width (e.g., 8-bits, 16-bits) */
+ uchar nod; /* number of devices present */
+ uchar noc; /* number of columns */
+ uchar cw; /* column width in bits */
+ uchar wedw; /* write/erase data width */
+} vpd_fmc_t;
+
+/* function prototypes */
+extern void vpd_init(void);
+extern int vpd_read(uint iic_device, uchar *buf, int count, int offset);
+extern vpd_packet_t *vpd_find_packet(u_char ident);
+
+#endif /* __vpd_h */