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-rw-r--r--board/BuS/EB+MCF-EV123/EB+MCF-EV123.c162
-rw-r--r--board/BuS/EB+MCF-EV123/Makefile40
-rw-r--r--board/BuS/EB+MCF-EV123/VCxK.c136
-rw-r--r--board/BuS/EB+MCF-EV123/VCxK.h48
-rw-r--r--board/BuS/EB+MCF-EV123/cfm_flash.c212
-rw-r--r--board/BuS/EB+MCF-EV123/cfm_flash.h40
-rw-r--r--board/BuS/EB+MCF-EV123/config.mk28
-rw-r--r--board/BuS/EB+MCF-EV123/flash.c413
-rw-r--r--board/BuS/EB+MCF-EV123/textbase.mk1
-rw-r--r--board/BuS/EB+MCF-EV123/u-boot.lds141
10 files changed, 1221 insertions, 0 deletions
diff --git a/board/BuS/EB+MCF-EV123/EB+MCF-EV123.c b/board/BuS/EB+MCF-EV123/EB+MCF-EV123.c
new file mode 100644
index 0000000..f18313d
--- /dev/null
+++ b/board/BuS/EB+MCF-EV123/EB+MCF-EV123.c
@@ -0,0 +1,162 @@
+/*
+ * (C) Copyright 2005
+ * BuS Elektronik GmbH & Co.KG <esw@bus-elektonik.de>
+ *
+ * (C) Copyright 2000-2003
+ * 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 <command.h>
+#include "asm/m5282.h"
+#include "VCxK.h"
+
+int checkboard (void)
+{
+ puts ("Board: MCF-EV1 + MCF-EV23 (BuS Elektronik GmbH & Co. KG)\n");
+#if (TEXT_BASE == CFG_INT_FLASH_BASE)
+ puts (" Boot from Internal FLASH\n");
+#endif
+
+ return 0;
+}
+
+long int initdram (int board_type)
+{
+ int size,i;
+
+ size = 0;
+ MCFSDRAMC_DCR = MCFSDRAMC_DCR_RTIM_6
+ | MCFSDRAMC_DCR_RC((15 * CFG_CLK)>>4);
+ #ifdef CFG_SDRAM_BASE0
+
+ MCFSDRAMC_DACR0 = MCFSDRAMC_DACR_BASE(CFG_SDRAM_BASE0)
+ | MCFSDRAMC_DACR_CASL(1)
+ | MCFSDRAMC_DACR_CBM(3)
+ | MCFSDRAMC_DACR_PS_16);
+
+ MCFSDRAMC_DMR0 = MCFSDRAMC_DMR_BAM_16M
+ | MCFSDRAMC_DMR_V;
+
+ MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_IP;
+
+ *(unsigned short *)(CFG_SDRAM_BASE0) = 0xA5A5;
+ MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_RE;
+ for (i=0; i < 2000; i++)
+ asm(" nop");
+ mbar_writeLong(MCFSDRAMC_DACR0, mbar_readLong(MCFSDRAMC_DACR0)
+ | MCFSDRAMC_DACR_IMRS);
+ *(unsigned int *)(CFG_SDRAM_BASE0 + 0x220) = 0xA5A5;
+ size += CFG_SDRAM_SIZE * 1024 * 1024;
+ #endif
+ #ifdef CFG_SDRAM_BASE1
+ MCFSDRAMC_DACR1 = MCFSDRAMC_DACR_BASE(CFG_SDRAM_BASE1)
+ | MCFSDRAMC_DACR_CASL(1)
+ | MCFSDRAMC_DACR_CBM(3)
+ | MCFSDRAMC_DACR_PS_16;
+
+ MCFSDRAMC_DMR1 = MCFSDRAMC_DMR_BAM_16M
+ | MCFSDRAMC_DMR_V;
+
+ MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_IP;
+
+ *(unsigned short *)(CFG_SDRAM_BASE1) = 0xA5A5;
+ MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_RE;
+ for (i=0; i < 2000; i++)
+ asm(" nop");
+ MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_IMRS;
+ *(unsigned int *)(CFG_SDRAM_BASE1 + 0x220) = 0xA5A5;
+ size += CFG_SDRAM_SIZE1 * 1024 * 1024;
+ #endif
+ return size;
+}
+
+
+#if defined(CFG_DRAM_TEST)
+int testdram (void)
+{
+ uint *pstart = (uint *) CFG_MEMTEST_START;
+ uint *pend = (uint *) CFG_MEMTEST_END;
+ uint *p;
+
+ printf("SDRAM test phase 1:\n");
+ for (p = pstart; p < pend; p++)
+ *p = 0xaaaaaaaa;
+
+ for (p = pstart; p < pend; p++) {
+ if (*p != 0xaaaaaaaa) {
+ printf ("SDRAM test fails at: %08x\n", (uint) p);
+ return 1;
+ }
+ }
+
+ printf("SDRAM test phase 2:\n");
+ for (p = pstart; p < pend; p++)
+ *p = 0x55555555;
+
+ for (p = pstart; p < pend; p++) {
+ if (*p != 0x55555555) {
+ printf ("SDRAM test fails at: %08x\n", (uint) p);
+ return 1;
+ }
+ }
+
+ printf("SDRAM test passed.\n");
+ return 0;
+}
+#endif
+
+int misc_init_r(void)
+{
+ init_vcxk();
+ return 1;
+}
+
+/*---------------------------------------------------------------------------*/
+
+int do_vcimage (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ int rcode = 0;
+ ulong source;
+
+ switch (argc) {
+ case 2:
+ source = simple_strtoul(argv[1],NULL,16);
+ vcxk_loadimage(source);
+ rcode = 0;
+ break;
+ default:
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ rcode = 1;
+ break;
+ }
+ return rcode;
+}
+
+/***************************************************/
+
+U_BOOT_CMD(
+ vcimage, 2, 0, do_vcimage,
+ "vcimage - loads an image to Display\n",
+ "vcimage addr\n"
+);
+
+/* EOF EB+MCF-EV123c */
diff --git a/board/BuS/EB+MCF-EV123/Makefile b/board/BuS/EB+MCF-EV123/Makefile
new file mode 100644
index 0000000..d5dbc71
--- /dev/null
+++ b/board/BuS/EB+MCF-EV123/Makefile
@@ -0,0 +1,40 @@
+#
+# (C) Copyright 2000-2003
+# 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 $(TOPDIR)/config.mk
+
+LIB = lib$(BOARD).a
+
+OBJS = $(BOARD).o cfm_flash.o flash.o VCxK.o
+
+$(LIB): .depend $(OBJS)
+ $(AR) crv $@ $(OBJS)
+
+#########################################################################
+
+.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+ $(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/board/BuS/EB+MCF-EV123/VCxK.c b/board/BuS/EB+MCF-EV123/VCxK.c
new file mode 100644
index 0000000..736c101
--- /dev/null
+++ b/board/BuS/EB+MCF-EV123/VCxK.c
@@ -0,0 +1,136 @@
+/*
+ * (C) Copyright 2005
+ * BuS Elektronik GmbH & Co.KG <esw@bus-elektonik.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 <asm/m5282.h>
+#include "VCxK.h"
+
+vu_char *vcxk_bws = (vu_char *)(CFG_CS3_BASE);
+#define VCXK_BWS vcxk_bws
+
+static ulong vcxk_driver;
+
+
+ulong search_vcxk_driver(void);
+void vcxk_cls(void);
+void vcxk_setbrightness(short brightness);
+int vcxk_request(void);
+int vcxk_acknowledge_wait(void);
+void vcxk_clear(void);
+
+int init_vcxk(void)
+{
+ VIDEO_Invert_CFG &= ~VIDEO_Invert_IO;
+ VIDEO_INVERT_PORT |= VIDEO_INVERT_PIN;
+ VIDEO_INVERT_DDR |= VIDEO_INVERT_PIN;
+
+ VIDEO_REQUEST_PORT |= VIDEO_REQUEST_PIN;
+ VIDEO_REQUEST_DDR |= VIDEO_REQUEST_PIN;
+
+ VIDEO_ACKNOWLEDGE_DDR &= ~VIDEO_ACKNOWLEDGE_PIN;
+
+ vcxk_driver = search_vcxk_driver();
+ if (vcxk_driver)
+ {
+ /* use flash resist driver */
+ }
+ else
+ {
+ vcxk_cls();
+ vcxk_cls();
+ vcxk_setbrightness(1000);
+ }
+ VIDEO_ENABLE_DDR |= VIDEO_ENABLE_PIN;
+ VIDEO_ENABLE_PORT |= VIDEO_ENABLE_PIN;
+ VIDEO_ENABLE_PORT &= ~VIDEO_ENABLE_PIN;
+ return 1;
+}
+
+void vcxk_loadimage(ulong source)
+{
+ int cnt;
+ vcxk_acknowledge_wait();
+ for (cnt=0; cnt<16384; cnt++)
+ {
+ VCXK_BWS[cnt*2] = (*(vu_char*) source);
+ source++;
+ }
+ vcxk_request();
+}
+
+void vcxk_cls(void)
+{
+ vcxk_acknowledge_wait();
+ vcxk_clear();
+ vcxk_request();
+}
+
+void vcxk_clear(void)
+{
+ int cnt;
+ for (cnt=0; cnt<16384; cnt++)
+ {
+ VCXK_BWS[cnt*2] = 0x00;
+ }
+}
+
+void vcxk_setbrightness(short brightness)
+{
+ VCXK_BWS[0x8000]=(brightness >> 4) +2;
+ VCXK_BWS[0xC000]= (brightness + 23) >> 8;
+ VCXK_BWS[0xC001]= (brightness + 23) & 0xFF;
+}
+
+int vcxk_request(void)
+{
+ if (vcxk_driver)
+ {
+ /* use flash resist driver */
+ }
+ else
+ {
+ VIDEO_REQUEST_PORT &= ~VIDEO_REQUEST_PIN;
+ VIDEO_REQUEST_PORT |= VIDEO_REQUEST_PIN;
+ }
+ return 1;
+}
+
+int vcxk_acknowledge_wait(void)
+{
+ if (vcxk_driver)
+ {
+ /* use flash resist driver */
+ }
+ else
+ {
+ while (!(VIDEO_ACKNOWLEDGE_PORT & VIDEO_ACKNOWLEDGE_PIN));
+ }
+ return 1;
+}
+
+ulong search_vcxk_driver(void)
+{
+ return 0;
+}
+
+/* eof */
diff --git a/board/BuS/EB+MCF-EV123/VCxK.h b/board/BuS/EB+MCF-EV123/VCxK.h
new file mode 100644
index 0000000..74467ba
--- /dev/null
+++ b/board/BuS/EB+MCF-EV123/VCxK.h
@@ -0,0 +1,48 @@
+/*
+ * (C) Copyright 2005
+ * BuS Elektronik GmbH & Co.KG <esw@bus-elektonik.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 __VCXK_H_
+#define __VCXK_H_
+
+extern int init_vcxk(void);
+void vcxk_loadimage(ulong source);
+
+#define VIDEO_ACKNOWLEDGE_PORT MCFGPTB_GPTPORT
+#define VIDEO_ACKNOWLEDGE_DDR MCFGPTB_GPTDDR
+#define VIDEO_ACKNOWLEDGE_PIN 0x0001
+
+#define VIDEO_ENABLE_PORT MCFGPTB_GPTPORT
+#define VIDEO_ENABLE_DDR MCFGPTB_GPTDDR
+#define VIDEO_ENABLE_PIN 0x0002
+
+#define VIDEO_REQUEST_PORT MCFGPTB_GPTPORT
+#define VIDEO_REQUEST_DDR MCFGPTB_GPTDDR
+#define VIDEO_REQUEST_PIN 0x0004
+
+#define VIDEO_Invert_CFG MCFGPIO_PEPAR
+#define VIDEO_Invert_IO MCFGPIO_PEPAR_PEPA2
+#define VIDEO_INVERT_PORT MCFGPIO_PORTE
+#define VIDEO_INVERT_DDR MCFGPIO_DDRE
+#define VIDEO_INVERT_PIN MCFGPIO_PORT2
+
+#endif
diff --git a/board/BuS/EB+MCF-EV123/cfm_flash.c b/board/BuS/EB+MCF-EV123/cfm_flash.c
new file mode 100644
index 0000000..d5a1c30
--- /dev/null
+++ b/board/BuS/EB+MCF-EV123/cfm_flash.c
@@ -0,0 +1,212 @@
+/*
+ * Basic Flash Driver for Freescale MCF 5281/5282 internal FLASH
+ *
+ * (C) Copyright 2005 BuS Elektronik GmbH & Co.KG <esw@bus-elektonik.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 <asm/m5282.h>
+#include "cfm_flash.h"
+
+#if defined(CONFIG_M5281) || defined(CONFIG_M5282)
+
+#if (CFG_CLK>20000000)
+ #define CFM_CLK (((long) CFG_CLK / (400000 * 8) + 1) | 0x40)
+#else
+ #define CFM_CLK ((long) CFG_CLK / 400000 + 1)
+#endif
+
+#define cmf_backdoor_address(addr) (((addr) & 0x0007FFFF) | 0x04000000 | \
+ (CFG_MBAR & 0xC0000000))
+
+void cfm_flash_print_info (flash_info_t * info)
+{
+ printf ("Freescale: ");
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case FREESCALE_ID_MCF5281 & FLASH_TYPEMASK:
+ printf ("MCF5281 internal FLASH\n");
+ break;
+ case FREESCALE_ID_MCF5282 & FLASH_TYPEMASK:
+ printf ("MCF5282 internal FLASH\n");
+ break;
+ default:
+ printf ("Unknown Chip Type\n");
+ break;
+ }
+}
+
+void cfm_flash_init (flash_info_t * info)
+{
+ int sector;
+ ulong protection;
+ MCFCFM_MCR = 0;
+ MCFCFM_CLKD = CFM_CLK;
+ debug ("CFM Clock divider: %ld (%d Hz @ %ld Hz)\n",CFM_CLK,\
+ CFG_CLK / (2* ((CFM_CLK & 0x3F)+1) * (1+((CFM_CLK & 0x40)>>6)*7)),\
+ CFG_CLK);
+ MCFCFM_SACC = 0;
+ MCFCFM_DACC = 0;
+
+ if (MCFCFM_SEC & MCFCFM_SEC_KEYEN)
+ puts("CFM backdoor access is enabled\n");
+ if (MCFCFM_SEC & MCFCFM_SEC_SECSTAT)
+ puts("CFM securety is enabled\n");
+
+ #ifdef CONFIG_M5281
+ info->flash_id = (FREESCALE_MANUFACT & FLASH_VENDMASK) |
+ (FREESCALE_ID_MCF5281 & FLASH_TYPEMASK);
+ info->size = 256*1024;
+ info->sector_count = 16;
+ #else
+ info->flash_id = (FREESCALE_MANUFACT & FLASH_VENDMASK) |
+ (FREESCALE_ID_MCF5282 & FLASH_TYPEMASK);
+ info->size = 512*1024;
+ info->sector_count = 32;
+ #endif
+ protection = MCFCFM_PROT;
+ for (sector = 0; sector < info->sector_count; sector++)
+ {
+ if (sector == 0)
+ {
+ info->start[sector] = CFG_INT_FLASH_BASE;
+ }
+ else
+ {
+ info->start[sector] = info->start[sector-1] + 0x04000;
+ }
+ info->protect[sector] = protection & 1;
+ protection >>= 1;
+ }
+}
+
+int cfm_flash_readycheck(int checkblank)
+{
+ int rc;
+ unsigned char state;
+
+ rc = ERR_OK;
+ while (!(MCFCFM_USTAT & MCFCFM_USTAT_CCIF));
+ state = MCFCFM_USTAT;
+ if (state & MCFCFM_USTAT_ACCERR)
+ {
+ debug ("%s(): CFM access error",__FUNCTION__);
+ rc = ERR_PROG_ERROR;
+ }
+ if (state & MCFCFM_USTAT_PVIOL)
+ {
+ debug ("%s(): CFM protection violation",__FUNCTION__);
+ rc = ERR_PROTECTED;
+ }
+ if (checkblank)
+ {
+ if (!(state & MCFCFM_USTAT_BLANK))
+ {
+ debug ("%s(): CFM erras error",__FUNCTION__);
+ rc = ERR_NOT_ERASED;
+ }
+ }
+ MCFCFM_USTAT = state & 0x34; /* reset state */
+ return rc;
+}
+
+/* Erase 16KiB = 8 2KiB pages */
+
+int cfm_flash_erase_sector (flash_info_t * info, int sector)
+{
+ ulong address;
+ int page;
+ int rc;
+ rc= ERR_OK;
+ address = cmf_backdoor_address(info->start[sector]);
+ for (page=0; (page<8) && (rc==ERR_OK); page++)
+ {
+ *(volatile __u32*) address = 0;
+ MCFCFM_CMD = MCFCFM_CMD_PGERS;
+ MCFCFM_USTAT = MCFCFM_USTAT_CBEIF;
+ rc = cfm_flash_readycheck(0);
+ if (rc==ERR_OK)
+ {
+ *(volatile __u32*) address = 0;
+ MCFCFM_CMD = MCFCFM_CMD_PGERSVER;
+ MCFCFM_USTAT = MCFCFM_USTAT_CBEIF;
+ rc = cfm_flash_readycheck(1);
+ }
+ address += 0x800;
+ }
+ return rc;
+}
+
+int cfm_flash_write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+ int rc;
+ ulong dest, data;
+
+ rc = ERR_OK;
+ if (addr & 3)
+ {
+ debug ("Byte and Word alignment not supported\n");
+ rc = ERR_ALIGN;
+ }
+ if (cnt & 3)
+ {
+ debug ("Byte and Word transfer not supported\n");
+ rc = ERR_ALIGN;
+ }
+ dest = cmf_backdoor_address(addr);
+ while ((cnt>=4) && (rc == ERR_OK))
+ {
+ data =*((volatile u32 *) src);
+ *(volatile u32*) dest = data;
+ MCFCFM_CMD = MCFCFM_CMD_PGM;
+ MCFCFM_USTAT = MCFCFM_USTAT_CBEIF;
+ rc = cfm_flash_readycheck(0);
+ if (*(volatile u32*) addr != data) rc = ERR_PROG_ERROR;
+ src +=4;
+ dest +=4;
+ addr +=4;
+ cnt -=4;
+ }
+ return rc;
+}
+
+#ifdef CFG_FLASH_PROTECTION
+
+int cfm_flash_protect(flash_info_t * info,long sector,int prot)
+{
+ int rc;
+
+ rc= ERR_OK;
+ if (prot)
+ {
+ MCFCFM_PROT |= (1<<sector);
+ info->protect[sector]=1;
+ }
+ else
+ {
+ MCFCFM_PROT &= ~(1<<sector);
+ info->protect[sector]=0;
+ }
+ return rc;
+}
+
+#endif
+
+#endif
diff --git a/board/BuS/EB+MCF-EV123/cfm_flash.h b/board/BuS/EB+MCF-EV123/cfm_flash.h
new file mode 100644
index 0000000..cc8cdbd
--- /dev/null
+++ b/board/BuS/EB+MCF-EV123/cfm_flash.h
@@ -0,0 +1,40 @@
+/*
+ * Basic Flash Driver for Freescale MCF 5282 internal FLASH
+ *
+ * (C) Copyright 2005 BuS Elektronik GmbH & Co.KG <esw@bus-elektonik.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 __CFM_FLASH_H_
+#define __CFM_FLASH_H_
+
+#define FREESCALE_MANUFACT 0xFACFFACF
+#define FREESCALE_ID_MCF5281 0x5281
+#define FREESCALE_ID_MCF5282 0x5282
+
+extern void cfm_flash_print_info (flash_info_t * info);
+extern int cfm_flash_erase_sector (flash_info_t * info, int sector);
+extern void cfm_flash_init (flash_info_t * info);
+extern int cfm_flash_write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt);
+#ifdef CFG_FLASH_PROTECTION
+extern int cfm_flash_protect(flash_info_t * info,long sector,int prot);
+#endif
+
+#endif
diff --git a/board/BuS/EB+MCF-EV123/config.mk b/board/BuS/EB+MCF-EV123/config.mk
new file mode 100644
index 0000000..9fe2fc5
--- /dev/null
+++ b/board/BuS/EB+MCF-EV123/config.mk
@@ -0,0 +1,28 @@
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+# Coldfire contribution by Bernhard Kuhn <bkuhn@metrowerks.com>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+sinclude $(TOPDIR)/board/$(BOARDDIR)/textbase.mk
+ifndef TEXT_BASE
+TEXT_BASE = 0xFE000000
+endif
diff --git a/board/BuS/EB+MCF-EV123/flash.c b/board/BuS/EB+MCF-EV123/flash.c
new file mode 100644
index 0000000..a5d621c
--- /dev/null
+++ b/board/BuS/EB+MCF-EV123/flash.c
@@ -0,0 +1,413 @@
+/*
+ * (C) Copyright 2005
+ * BuS Elektronik GmbH & Co.KG <esw@bus-elektonik.de>
+ *
+ * Based On
+ * 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 "cfm_flash.h"
+
+#define PHYS_FLASH_1 CFG_FLASH_BASE
+#define FLASH_BANK_SIZE 0x200000
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
+
+void flash_print_info (flash_info_t * info)
+{
+ int i;
+
+ switch (info->flash_id & FLASH_VENDMASK) {
+ case (AMD_MANUFACT & FLASH_VENDMASK):
+ printf ("AMD: ");
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case (AMD_ID_LV160B & FLASH_TYPEMASK):
+ printf ("AM29LV160B (16Bit)\n");
+ break;
+ default:
+ printf ("Unknown Chip Type\n");
+ break;
+ }
+ break;
+ case FREESCALE_MANUFACT & FLASH_VENDMASK:
+ cfm_flash_print_info (info);
+ break;
+ default:
+ printf ("Unknown Vendor ");
+ break;
+ }
+
+ puts (" Size: ");
+ if ((info->size >> 20) > 0)
+ {
+ printf ("%ld MiB",info->size >> 20);
+ }
+ else
+ {
+ printf ("%ld KiB",info->size >> 10);
+ }
+ printf (" in %d Sectors\n", info->sector_count);
+
+ printf (" Sector Start Addresses:");
+ for (i = 0; i < info->sector_count; i++) {
+ if ((i % 4) == 0) {
+ printf ("\n ");
+ }
+ printf ("%02d: %08lX%s ", i,info->start[i],
+ info->protect[i] ? " P" : " ");
+ }
+ printf ("\n\n");
+}
+
+unsigned long flash_init (void)
+{
+ int i, j;
+ ulong size = 0;
+
+ for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
+ ulong flashbase = 0;
+
+ switch (i)
+ {
+ case 1:
+ flash_info[i].flash_id =
+ (AMD_MANUFACT & FLASH_VENDMASK) |
+ (AMD_ID_LV160B & FLASH_TYPEMASK);
+ flash_info[i].size = FLASH_BANK_SIZE;
+ flash_info[i].sector_count = CFG_MAX_FLASH_SECT;
+ memset (flash_info[i].protect, 0, CFG_MAX_FLASH_SECT);
+ flashbase = PHYS_FLASH_1;
+ for (j = 0; j < flash_info[i].sector_count; j++) {
+ if (j == 0) {
+ /* 1st is 16 KiB */
+ flash_info[i].start[j] = flashbase;
+ }
+ if ((j >= 1) && (j <= 2)) {
+ /* 2nd and 3rd are 8 KiB */
+ flash_info[i].start[j] =
+ flashbase + 0x4000 + 0x2000 * (j - 1);
+ }
+ if (j == 3) {
+ /* 4th is 32 KiB */
+ flash_info[i].start[j] = flashbase + 0x8000;
+ }
+ if ((j >= 4) && (j <= 34)) {
+ /* rest is 256 KiB */
+ flash_info[i].start[j] =
+ flashbase + 0x10000 + 0x10000 * (j - 4);
+ }
+ }
+ break;
+ case 0:
+ cfm_flash_init (&flash_info[i]);
+ break;
+ default:
+ panic ("configured to many flash banks!\n");
+ }
+
+ size += flash_info[i].size;
+ }
+
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_FLASH_BASE,
+ CFG_FLASH_BASE + 0xffff, &flash_info[0]);
+
+ return size;
+}
+
+#define CMD_READ_ARRAY 0x00F0
+#define CMD_UNLOCK1 0x00AA
+#define CMD_UNLOCK2 0x0055
+#define CMD_ERASE_SETUP 0x0080
+#define CMD_ERASE_CONFIRM 0x0030
+#define CMD_PROGRAM 0x00A0
+#define CMD_UNLOCK_BYPASS 0x0020
+
+#define MEM_FLASH_ADDR1 (*(volatile u16 *)(info->start[0] + (0x00000555<<1)))
+#define MEM_FLASH_ADDR2 (*(volatile u16 *)(info->start[0] + (0x000002AA<<1)))
+
+
+#define BIT_ERASE_DONE 0x0080
+#define BIT_RDY_MASK 0x0080
+#define BIT_PROGRAM_ERROR 0x0020
+#define BIT_TIMEOUT 0x80000000 /* our flag */
+
+#define ERR_READY -1
+
+int amd_flash_erase_sector(flash_info_t * info, int sector)
+{
+ int state;
+ ulong result;
+
+ volatile u16 *addr =
+ (volatile u16 *) (info->start[sector]);
+
+ MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+ MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+ MEM_FLASH_ADDR1 = CMD_ERASE_SETUP;
+
+ MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+ MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+ *addr = CMD_ERASE_CONFIRM;
+
+ /* wait until flash is ready */
+ state = 0;
+ set_timer (0);
+
+ do {
+ result = *addr;
+
+ /* check timeout */
+ if (get_timer (0) > CFG_FLASH_ERASE_TOUT) {
+ MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
+ state = ERR_TIMOUT;
+ }
+
+ if (!state && (result & 0xFFFF) & BIT_ERASE_DONE)
+ state = ERR_READY;
+ }
+ while (!state);
+ if (state == ERR_READY)
+ state = ERR_OK;
+
+ MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
+
+ return state;
+}
+
+int flash_erase (flash_info_t * info, int s_first, int s_last)
+{
+ int iflag, cflag;
+ int sector;
+ int rc;
+
+ rc = ERR_OK;
+
+ if (info->flash_id == FLASH_UNKNOWN)
+ {
+ rc = ERR_UNKNOWN_FLASH_TYPE;
+ } /* (info->flash_id == FLASH_UNKNOWN) */
+
+ if ((s_first < 0) || (s_first > s_last) || s_last >= info->sector_count)
+ {
+ rc = ERR_INVAL;
+ }
+
+ cflag = icache_status ();
+ icache_disable ();
+ iflag = disable_interrupts ();
+
+ for (sector = s_first; (sector <= s_last) && (rc == ERR_OK); sector++) {
+
+ if (info->protect[sector])
+ {
+ putc('P'); /* protected sector will not erase */
+ }
+ else
+ {
+ /* erase on unprotected sector */
+ puts("E\b");
+ switch (info->flash_id & FLASH_VENDMASK)
+ {
+ case (AMD_MANUFACT & FLASH_VENDMASK):
+ rc = amd_flash_erase_sector(info,sector);
+ break;
+ case (FREESCALE_MANUFACT & FLASH_VENDMASK):
+ rc = cfm_flash_erase_sector(info,sector);
+ break;
+ default:
+ return ERR_UNKNOWN_FLASH_VENDOR;
+ }
+ putc('.');
+ }
+ }
+ if (rc!=ERR_OK)
+ {
+ printf ("\n ");
+ flash_perror (rc);
+ }
+ else
+ {
+ printf (" done\n");
+ }
+
+ udelay (10000); /* allow flash to settle - wait 10 ms */
+
+ if (iflag)
+ enable_interrupts ();
+
+ if (cflag)
+ icache_enable ();
+
+ return rc;
+}
+
+volatile static int amd_write_word (flash_info_t * info, ulong dest, u16 data)
+{
+ volatile u16 *addr;
+ ulong result;
+ int cflag, iflag;
+ int state;
+
+ /*
+ * Check if Flash is (sufficiently) erased
+ */
+ addr = (volatile u16 *) dest;
+
+ result = *addr;
+ if ((result & data) != data)
+ return ERR_NOT_ERASED;
+
+ /*
+ * Disable interrupts which might cause a timeout
+ * here. Remember that our exception vectors are
+ * at address 0 in the flash, and we don't want a
+ * (ticker) exception to happen while the flash
+ * chip is in programming mode.
+ */
+
+ cflag = icache_status ();
+ icache_disable ();
+ iflag = disable_interrupts ();
+
+ MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+ MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+ MEM_FLASH_ADDR1 = CMD_PROGRAM;
+ *addr = data;
+
+ /* arm simple, non interrupt dependent timer */
+ set_timer (0);
+
+ /* wait until flash is ready */
+ state = 0;
+ do {
+ result = *addr;
+
+ /* check timeout */
+ if (get_timer (0) > CFG_FLASH_ERASE_TOUT) {
+ state = ERR_TIMOUT;
+ }
+ if (!state && ((result & BIT_RDY_MASK) == (data & BIT_RDY_MASK)))
+ state = ERR_READY;
+
+ } while (!state);
+
+ *addr = CMD_READ_ARRAY;
+
+ if (state == ERR_READY)
+ state = ERR_OK;
+ if ((*addr != data) && (state != ERR_TIMOUT))
+ state = ERR_PROG_ERROR;
+
+ if (iflag)
+ enable_interrupts ();
+
+ if (cflag)
+ icache_enable ();
+
+ return state;
+}
+
+int amd_flash_write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+ int rc;
+ ulong dest;
+ u16 data;
+
+ rc = ERR_OK;
+ if (addr & 1)
+ {
+ debug ("Byte alignment not supported\n");
+ rc = ERR_ALIGN;
+ }
+ if (cnt & 1)
+ {
+ debug ("Byte transfer not supported\n");
+ rc = ERR_ALIGN;
+ }
+
+ dest = addr;
+ while ((cnt>=2) && (rc == ERR_OK))
+ {
+ data =*((volatile u16 *) src);
+ rc=amd_write_word (info,dest,data);
+ src +=2;
+ dest +=2;
+ cnt -=2;
+ }
+ return rc;
+}
+
+int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+ int rc;
+
+ switch (info->flash_id & FLASH_VENDMASK)
+ {
+ case (AMD_MANUFACT & FLASH_VENDMASK):
+ rc = amd_flash_write_buff(info,src,addr,cnt);
+ break;
+ case (FREESCALE_MANUFACT & FLASH_VENDMASK):
+ rc = cfm_flash_write_buff(info,src,addr,cnt);
+ break;
+ default:
+ rc = ERR_UNKNOWN_FLASH_VENDOR;
+ }
+ return rc;
+
+}
+int amd_flash_protect(flash_info_t * info,long sector,int prot)
+{
+ int rc;
+ rc= ERR_OK;
+ if (prot)
+ {
+ info->protect[sector]=1;
+ }
+ else
+ {
+ info->protect[sector]=0;
+ }
+ return rc;
+}
+
+#ifdef CFG_FLASH_PROTECTION
+
+int flash_real_protect(flash_info_t * info,long sector,int prot)
+{
+ int rc;
+
+ switch (info->flash_id & FLASH_VENDMASK)
+ {
+ case (AMD_MANUFACT & FLASH_VENDMASK):
+ rc = amd_flash_protect(info,sector,prot);
+ break;
+ case (FREESCALE_MANUFACT & FLASH_VENDMASK):
+ rc = cfm_flash_protect(info,sector,prot);
+ break;
+ default:
+ rc = ERR_UNKNOWN_FLASH_VENDOR;
+ }
+ return rc;
+}
+
+#endif
diff --git a/board/BuS/EB+MCF-EV123/textbase.mk b/board/BuS/EB+MCF-EV123/textbase.mk
new file mode 100644
index 0000000..10106f4
--- /dev/null
+++ b/board/BuS/EB+MCF-EV123/textbase.mk
@@ -0,0 +1 @@
+TEXT_BASE = 0xF0000000
diff --git a/board/BuS/EB+MCF-EV123/u-boot.lds b/board/BuS/EB+MCF-EV123/u-boot.lds
new file mode 100644
index 0000000..d790018
--- /dev/null
+++ b/board/BuS/EB+MCF-EV123/u-boot.lds
@@ -0,0 +1,141 @@
+/*
+ * (C) Copyright 2000-2003
+ * 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(m68k)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib);
+/* 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 */
+
+ cpu/mcf52x2/start.o (.text)
+ common/dlmalloc.o (.text)
+ lib_generic/string.o (.text)
+ lib_generic/vsprintf.o (.text)
+ lib_generic/crc32.o (.text)
+ lib_generic/zlib.o (.text)
+
+/* . = env_offset; */
+ common/environment.o(.text)
+
+ *(.text)
+ *(.fixup)
+ *(.got1)
+ }
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata1)
+ }
+ .fini : { *(.fini) } =0
+ .ctors : { *(.ctors) }
+ .dtors : { *(.dtors) }
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x00FF) & 0xFFFFFF00;
+ _erotext = .;
+ PROVIDE (erotext = .);
+ .reloc :
+ {
+ __got_start = .;
+ *(.got)
+ __got_end = .;
+ _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(256);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(256);
+ __init_end = .;
+
+ __bss_start = .;
+ .bss :
+ {
+ _sbss = .;
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ . = ALIGN(4);
+ _ebss = .;
+ }
+ _end = . ;
+ PROVIDE (end = .);
+}
generated by cgit v1.1 at 2024-11-06 02:41:24 +0000