ColdFire: Add M5253DEMO platform support for MCF5253
authorTsiChung Liew <Tsi-Chung.Liew@freescale.com>
Wed, 23 Jul 2008 22:11:47 +0000 (17:11 -0500)
committerJohn Rigby <jrigby@freescale.com>
Thu, 14 Aug 2008 18:30:10 +0000 (12:30 -0600)
Signed-off-by: TsiChung Liew <Tsi-Chung.Liew@freescale.com>
MAINTAINERS
MAKEALL
Makefile
board/freescale/m5253demo/Makefile [new file with mode: 0644]
board/freescale/m5253demo/config.mk [new file with mode: 0644]
board/freescale/m5253demo/flash.c [new file with mode: 0644]
board/freescale/m5253demo/m5253demo.c [new file with mode: 0644]
board/freescale/m5253demo/u-boot.lds [new file with mode: 0644]
include/configs/M5253DEMO.h [new file with mode: 0644]

index 7efef6a..323a3a6 100644 (file)
@@ -698,6 +698,7 @@ TsiChung Liew <Tsi-Chung.Liew@freescale.com>
 
        M52277EVB       mcf5227x
        M5235EVB        mcf52x2
+       M5253DEMO       mcf52x2
        M5329EVB        mcf532x
        M5373EVB        mcf532x
        M54455EVB       mcf5445x
diff --git a/MAKEALL b/MAKEALL
index ac4195f..8788210 100755 (executable)
--- a/MAKEALL
+++ b/MAKEALL
@@ -694,6 +694,7 @@ LIST_coldfire="                     \
        M52277EVB               \
        M5235EVB                \
        M5249EVB                \
+       M5253DEMO               \
        M5253EVBE               \
        M5271EVB                \
        M5272C3                 \
index a384d16..d802b03 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1851,6 +1851,9 @@ M5235EVB_Flash32_config:  unconfig
 M5249EVB_config :              unconfig
        @$(MKCONFIG) $(@:_config=) m68k mcf52x2 m5249evb freescale
 
+M5253DEMO_config :             unconfig
+       @$(MKCONFIG) $(@:_config=) m68k mcf52x2 m5253demo freescale
+
 M5253EVBE_config :             unconfig
        @$(MKCONFIG) $(@:_config=) m68k mcf52x2 m5253evbe freescale
 
diff --git a/board/freescale/m5253demo/Makefile b/board/freescale/m5253demo/Makefile
new file mode 100644 (file)
index 0000000..cf07cf4
--- /dev/null
@@ -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).a
+
+COBJS  = $(BOARD).o flash.o
+
+SRCS   := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS   := $(addprefix $(obj),$(COBJS))
+SOBJS  := $(addprefix $(obj),$(SOBJS))
+
+$(LIB):        $(obj).depend $(OBJS)
+       $(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/freescale/m5253demo/config.mk b/board/freescale/m5253demo/config.mk
new file mode 100644 (file)
index 0000000..fa66b75
--- /dev/null
@@ -0,0 +1,25 @@
+#
+# (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
+#
+
+TEXT_BASE = 0xFF800000
diff --git a/board/freescale/m5253demo/flash.c b/board/freescale/m5253demo/flash.c
new file mode 100644 (file)
index 0000000..1bf1e97
--- /dev/null
@@ -0,0 +1,467 @@
+/*
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.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
+ */
+
+#include <common.h>
+
+#include <asm/immap.h>
+
+#ifndef CFG_FLASH_CFI
+typedef unsigned short FLASH_PORT_WIDTH;
+typedef volatile unsigned short FLASH_PORT_WIDTHV;
+
+#define FPW             FLASH_PORT_WIDTH
+#define FPWV            FLASH_PORT_WIDTHV
+
+#define FLASH_CYCLE1    0x5555
+#define FLASH_CYCLE2    0x2aaa
+
+#define SYNC                   __asm__("nop")
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+
+ulong flash_get_size(FPWV * addr, flash_info_t * info);
+int flash_get_offsets(ulong base, flash_info_t * info);
+int write_word(flash_info_t * info, FPWV * dest, u16 data);
+void inline spin_wheel(void);
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
+
+ulong flash_init(void)
+{
+       ulong size = 0;
+       ulong fbase = 0;
+
+       fbase = (ulong) CFG_FLASH_BASE;
+       flash_get_size((FPWV *) fbase, &flash_info[0]);
+       flash_get_offsets((ulong) fbase, &flash_info[0]);
+       fbase += flash_info[0].size;
+       size += flash_info[0].size;
+
+       /* Protect monitor and environment sectors */
+       flash_protect(FLAG_PROTECT_SET,
+                     CFG_MONITOR_BASE,
+                     CFG_MONITOR_BASE + monitor_flash_len - 1, &flash_info[0]);
+
+       return size;
+}
+
+int flash_get_offsets(ulong base, flash_info_t * info)
+{
+       int j, k;
+
+       if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) {
+
+               info->start[0] = base;
+               for (k = 0, j = 0; j < CFG_SST_SECT; j++, k++) {
+                       info->start[k + 1] = info->start[k] + CFG_SST_SECTSZ;
+                       info->protect[k] = 0;
+               }
+       }
+
+       return ERR_OK;
+}
+
+void flash_print_info(flash_info_t * info)
+{
+       int i;
+
+       switch (info->flash_id & FLASH_VENDMASK) {
+       case FLASH_MAN_SST:
+               printf("SST ");
+               break;
+       default:
+               printf("Unknown Vendor ");
+               break;
+       }
+
+       switch (info->flash_id & FLASH_TYPEMASK) {
+       case FLASH_SST6401B:
+               printf("SST39VF6401B\n");
+               break;
+       default:
+               printf("Unknown Chip Type\n");
+               return;
+       }
+
+       if (info->size > 0x100000) {
+               int remainder;
+
+               printf("  Size: %ld", info->size >> 20);
+
+               remainder = (info->size % 0x100000);
+               if (remainder) {
+                       remainder >>= 10;
+                       remainder = (int)((float)
+                                         (((float)remainder / (float)1024) *
+                                          10000));
+                       printf(".%d ", remainder);
+               }
+
+               printf("MB in %d Sectors\n", info->sector_count);
+       } else
+               printf("  Size: %ld KB in %d Sectors\n",
+                      info->size >> 10, info->sector_count);
+
+       printf("  Sector Start Addresses:");
+       for (i = 0; i < info->sector_count; ++i) {
+               if ((i % 5) == 0)
+                       printf("\n   ");
+               printf(" %08lX%s",
+                      info->start[i], info->protect[i] ? " (RO)" : "     ");
+       }
+       printf("\n");
+}
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+ulong flash_get_size(FPWV * addr, flash_info_t * info)
+{
+       u16 value;
+
+       addr[FLASH_CYCLE1] = (FPWV) 0x00AA00AA; /* for Atmel, Intel ignores this */
+       addr[FLASH_CYCLE2] = (FPWV) 0x00550055; /* for Atmel, Intel ignores this */
+       addr[FLASH_CYCLE1] = (FPWV) 0x00900090; /* selects Intel or Atmel */
+
+       switch (addr[0] & 0xffff) {
+       case (u8) SST_MANUFACT:
+               info->flash_id = FLASH_MAN_SST;
+               value = addr[1];
+               break;
+       default:
+               printf("Unknown Flash\n");
+               info->flash_id = FLASH_UNKNOWN;
+               info->sector_count = 0;
+               info->size = 0;
+
+               *addr = (FPW) 0x00F000F0;
+               return (0);     /* no or unknown flash  */
+       }
+
+       switch (value) {
+       case (u16) SST_ID_xF6401B:
+               info->flash_id += FLASH_SST6401B;
+               break;
+       default:
+               info->flash_id = FLASH_UNKNOWN;
+               break;
+       }
+
+       info->sector_count = 0;
+       info->size = 0;
+       info->sector_count = CFG_SST_SECT;
+       info->size = CFG_SST_SECT * CFG_SST_SECTSZ;
+
+       /* reset ID mode */
+       *addr = (FPWV) 0x00F000F0;
+
+       if (info->sector_count > CFG_MAX_FLASH_SECT) {
+               printf("** ERROR: sector count %d > max (%d) **\n",
+                      info->sector_count, CFG_MAX_FLASH_SECT);
+               info->sector_count = CFG_MAX_FLASH_SECT;
+       }
+
+       return (info->size);
+}
+
+int flash_erase(flash_info_t * info, int s_first, int s_last)
+{
+       FPWV *addr;
+       int flag, prot, sect, count;
+       ulong type, start, last;
+       int rcode = 0, flashtype = 0;
+
+       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;
+       }
+
+       type = (info->flash_id & FLASH_VENDMASK);
+
+       switch (type) {
+       case FLASH_MAN_SST:
+               flashtype = 1;
+               break;
+       default:
+               type = (info->flash_id & FLASH_VENDMASK);
+               printf("Can't erase unknown flash type %08lx - aborted\n",
+                      info->flash_id);
+               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");
+
+       flag = disable_interrupts();
+
+       start = get_timer(0);
+       last = start;
+
+       if ((s_last - s_first) == (CFG_SST_SECT - 1)) {
+               if (prot == 0) {
+                       addr = (FPWV *) info->start[0];
+
+                       addr[FLASH_CYCLE1] = 0x00AA;    /* unlock */
+                       addr[FLASH_CYCLE2] = 0x0055;    /* unlock */
+                       addr[FLASH_CYCLE1] = 0x0080;    /* erase mode */
+                       addr[FLASH_CYCLE1] = 0x00AA;    /* unlock */
+                       addr[FLASH_CYCLE2] = 0x0055;    /* unlock */
+                       *addr = 0x0030; /* erase chip */
+
+                       count = 0;
+                       start = get_timer(0);
+
+                       while ((*addr & 0x0080) != 0x0080) {
+                               if (count++ > 0x10000) {
+                                       spin_wheel();
+                                       count = 0;
+                               }
+
+                               if (get_timer(start) > CFG_FLASH_ERASE_TOUT) {
+                                       printf("Timeout\n");
+                                       *addr = 0x00F0; /* reset to read mode */
+
+                                       return 1;
+                               }
+                       }
+
+                       *addr = 0x00F0; /* reset to read mode */
+
+                       printf("\b. done\n");
+
+                       if (flag)
+                               enable_interrupts();
+
+                       return 0;
+               } else if (prot == CFG_SST_SECT) {
+                       return 1;
+               }
+       }
+
+       /* Start erase on unprotected sectors */
+       for (sect = s_first; sect <= s_last; sect++) {
+               if (info->protect[sect] == 0) { /* not protected */
+
+                       addr = (FPWV *) (info->start[sect]);
+
+                       printf(".");
+
+                       /* arm simple, non interrupt dependent timer */
+                       start = get_timer(0);
+
+                       switch (flashtype) {
+                       case 1:
+                               {
+                                       FPWV *base;     /* first address in bank */
+
+                                       flag = disable_interrupts();
+
+                                       base = (FPWV *) (CFG_FLASH_BASE);       /* First sector */
+
+                                       base[FLASH_CYCLE1] = 0x00AA;    /* unlock */
+                                       base[FLASH_CYCLE2] = 0x0055;    /* unlock */
+                                       base[FLASH_CYCLE1] = 0x0080;    /* erase mode */
+                                       base[FLASH_CYCLE1] = 0x00AA;    /* unlock */
+                                       base[FLASH_CYCLE2] = 0x0055;    /* unlock */
+                                       *addr = 0x0050; /* erase sector */
+
+                                       if (flag)
+                                               enable_interrupts();
+
+                                       while ((*addr & 0x0080) != 0x0080) {
+                                               if (get_timer(start) >
+                                                   CFG_FLASH_ERASE_TOUT) {
+                                                       printf("Timeout\n");
+                                                       *addr = 0x00F0; /* reset to read mode */
+
+                                                       rcode = 1;
+                                                       break;
+                                               }
+                                       }
+
+                                       *addr = 0x00F0; /* reset to read mode */
+                                       break;
+                               }
+                       }       /* switch (flashtype) */
+               }
+       }
+       printf(" done\n");
+
+       if (flag)
+               enable_interrupts();
+
+       return rcode;
+}
+
+int write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+       ulong wp, count;
+       u16 data;
+       int rc, port_width;
+
+       if (info->flash_id == FLASH_UNKNOWN)
+               return 4;
+
+       /* get lower word aligned address */
+       wp = addr;
+       port_width = sizeof(FPW);
+
+       /* handle unaligned start bytes */
+       if (wp & 1) {
+               data = *((FPWV *) wp);
+               data = (data << 8) | *src;
+
+               if ((rc = write_word(info, (FPWV *) wp, data)) != 0)
+                       return (rc);
+
+               wp++;
+               cnt -= 1;
+               src++;
+       }
+
+       while (cnt >= 2) {
+               /*
+                * handle word aligned part
+                */
+               count = 0;
+               data = *((FPWV *) src);
+
+               if ((rc = write_word(info, (FPWV *) wp, data)) != 0)
+                       return (rc);
+
+               wp += 2;
+               src += 2;
+               cnt -= 2;
+
+               if (count++ > 0x800) {
+                       spin_wheel();
+                       count = 0;
+               }
+       }
+       /* handle word aligned part */
+       if (cnt) {
+               /* handle word aligned part */
+               count = 0;
+               data = *((FPWV *) wp);
+
+               data = (data & 0x00FF) | (*src << 8);
+
+               if ((rc = write_word(info, (FPWV *) wp, data)) != 0)
+                       return (rc);
+
+               wp++;
+               src++;
+               cnt -= 1;
+               if (count++ > 0x800) {
+                       spin_wheel();
+                       count = 0;
+               }
+       }
+
+       if (cnt == 0)
+               return ERR_OK;
+
+       return ERR_OK;
+}
+
+/*-----------------------------------------------------------------------
+ * Write a word to Flash
+ * A word is 16 bits, whichever the bus width of the flash bank
+ * (not an individual chip) is.
+ *
+ * returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+int write_word(flash_info_t * info, FPWV * dest, u16 data)
+{
+       ulong start;
+       int flag;
+       int res = 0;            /* result, assume success */
+       FPWV *base;             /* first address in flash bank */
+
+       /* Check if Flash is (sufficiently) erased */
+       if ((*dest & (u8) data) != (u8) data) {
+               return (2);
+       }
+
+       base = (FPWV *) (CFG_FLASH_BASE);
+
+       /* Disable interrupts which might cause a timeout here */
+       flag = disable_interrupts();
+
+       base[FLASH_CYCLE1] = (u8) 0x00AA00AA;   /* unlock */
+       base[FLASH_CYCLE2] = (u8) 0x00550055;   /* unlock */
+       base[FLASH_CYCLE1] = (u8) 0x00A000A0;   /* selects program mode */
+
+       *dest = data;           /* start programming the data */
+
+       /* re-enable interrupts if necessary */
+       if (flag)
+               enable_interrupts();
+
+       start = get_timer(0);
+
+       /* data polling for D7 */
+       while (res == 0
+              && (*dest & (u8) 0x00800080) != (data & (u8) 0x00800080)) {
+               if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
+                       *dest = (u8) 0x00F000F0;        /* reset bank */
+                       res = 1;
+               }
+       }
+
+       *dest++ = (u8) 0x00F000F0;      /* reset bank */
+
+       return (res);
+}
+
+void inline spin_wheel(void)
+{
+       static int p = 0;
+       static char w[] = "\\/-";
+
+       printf("\010%c", w[p]);
+       (++p == 3) ? (p = 0) : 0;
+}
+
+#endif
diff --git a/board/freescale/m5253demo/m5253demo.c b/board/freescale/m5253demo/m5253demo.c
new file mode 100644 (file)
index 0000000..2eb6a04
--- /dev/null
@@ -0,0 +1,140 @@
+/*
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * Hayden Fraser (Hayden.Fraser@freescale.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
+ */
+
+#include <common.h>
+#include <asm/immap.h>
+
+int checkboard(void)
+{
+       puts("Board: ");
+       puts("Freescale MCF5253 DEMO\n");
+       return 0;
+};
+
+phys_size_t initdram(int board_type)
+{
+       u32 dramsize = 0;
+
+       /*
+        * Check to see if the SDRAM has already been initialized
+        * by a run control tool
+        */
+       if (!(mbar_readLong(MCFSIM_DCR) & 0x8000)) {
+               u32 RC, temp;
+
+               RC = (CFG_CLK / 1000000) >> 1;
+               RC = (RC * 15) >> 4;
+
+               /* Initialize DRAM Control Register: DCR */
+               mbar_writeShort(MCFSIM_DCR, (0x8400 | RC));
+               __asm__("nop");
+
+               mbar_writeLong(MCFSIM_DACR0, 0x00003224);
+               __asm__("nop");
+
+               /* Initialize DMR0 */
+               dramsize = (CFG_SDRAM_SIZE << 20);
+               temp = (dramsize - 1) & 0xFFFC0000;
+               mbar_writeLong(MCFSIM_DMR0, temp | 1);
+               __asm__("nop");
+
+               mbar_writeLong(MCFSIM_DACR0, 0x0000322c);
+               __asm__("nop");
+
+               /* Write to this block to initiate precharge */
+               *(u32 *) (CFG_SDRAM_BASE) = 0xa5a5a5a5;
+               __asm__("nop");
+
+               /* Set RE bit in DACR */
+               mbar_writeLong(MCFSIM_DACR0,
+                              mbar_readLong(MCFSIM_DACR0) | 0x8000);
+               __asm__("nop");
+
+               /* Wait for at least 8 auto refresh cycles to occur */
+               udelay(500);
+
+               /* Finish the configuration by issuing the MRS */
+               mbar_writeLong(MCFSIM_DACR0,
+                              mbar_readLong(MCFSIM_DACR0) | 0x0040);
+               __asm__("nop");
+
+               *(u32 *) (CFG_SDRAM_BASE + 0x800) = 0xa5a5a5a5;
+       }
+
+       return dramsize;
+}
+
+int testdram(void)
+{
+       /* TODO: XXX XXX XXX */
+       printf("DRAM test not implemented!\n");
+
+       return (0);
+}
+
+#ifdef CONFIG_CMD_IDE
+#include <ata.h>
+int ide_preinit(void)
+{
+       return (0);
+}
+
+void ide_set_reset(int idereset)
+{
+       volatile atac_t *ata = (atac_t *) CFG_ATA_BASE_ADDR;
+       long period;
+       /*  t1,  t2,  t3,  t4,  t5,  t6,  t9, tRD,  tA */
+       int piotms[5][9] = { {70, 165, 60, 30, 50, 5, 20, 0, 35},       /* PIO 0 */
+       {50, 125, 45, 20, 35, 5, 15, 0, 35},    /* PIO 1 */
+       {30, 100, 30, 15, 20, 5, 10, 0, 35},    /* PIO 2 */
+       {30, 80, 30, 10, 20, 5, 10, 0, 35},     /* PIO 3 */
+       {25, 70, 20, 10, 20, 5, 10, 0, 35}      /* PIO 4 */
+       };
+
+       if (idereset) {
+               ata->cr = 0;    /* control reset */
+               udelay(100);
+       } else {
+               mbar2_writeLong(CIM_MISCCR, CIM_MISCCR_CPUEND);
+
+#define CALC_TIMING(t) (t + period - 1) / period
+               period = 1000000000 / (CFG_CLK / 2);    /* period in ns */
+
+               /*ata->ton = CALC_TIMING (180); */
+               ata->t1 = CALC_TIMING(piotms[2][0]);
+               ata->t2w = CALC_TIMING(piotms[2][1]);
+               ata->t2r = CALC_TIMING(piotms[2][1]);
+               ata->ta = CALC_TIMING(piotms[2][8]);
+               ata->trd = CALC_TIMING(piotms[2][7]);
+               ata->t4 = CALC_TIMING(piotms[2][3]);
+               ata->t9 = CALC_TIMING(piotms[2][6]);
+
+               ata->cr = 0x40; /* IORDY enable */
+               udelay(2000);
+               ata->cr |= 0x01;        /* IORDY enable */
+       }
+}
+#endif                         /* CONFIG_CMD_IDE */
diff --git a/board/freescale/m5253demo/u-boot.lds b/board/freescale/m5253demo/u-boot.lds
new file mode 100644 (file)
index 0000000..4bdea5e
--- /dev/null
@@ -0,0 +1,144 @@
+/*
+ * (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(m68k)
+/* 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)
+    lib_m68k/traps.o           (.text)
+    cpu/mcf52x2/interrupts.o   (.text)
+    common/dlmalloc.o          (.text)
+    lib_generic/zlib.o         (.text)
+
+    . = DEFINED(env_offset) ? 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 = .);
+}
diff --git a/include/configs/M5253DEMO.h b/include/configs/M5253DEMO.h
new file mode 100644 (file)
index 0000000..b91d7d6
--- /dev/null
@@ -0,0 +1,252 @@
+/*
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * Hayden Fraser (Hayden.Fraser@freescale.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
+ */
+
+#ifndef _M5253DEMO_H
+#define _M5253DEMO_H
+
+#define CONFIG_MCF52x2         /* define processor family */
+#define CONFIG_M5253           /* define processor type */
+#define CONFIG_M5253DEMO       /* define board type */
+
+#define CONFIG_MCFTMR
+
+#define CONFIG_MCFUART
+#define CFG_UART_PORT          (0)
+#define CONFIG_BAUDRATE                115200
+#define CFG_BAUDRATE_TABLE     { 9600 , 19200 , 38400 , 57600, 115200 }
+
+#undef CONFIG_WATCHDOG         /* disable watchdog */
+
+#define CONFIG_BOOTDELAY       5
+
+/* Configuration for environment
+ * Environment is embedded in u-boot in the second sector of the flash
+ */
+#ifdef CONFIG_MONITOR_IS_IN_RAM
+#      define CFG_ENV_OFFSET           0x4000
+#      define CFG_ENV_SECT_SIZE        0x1000
+#      define CFG_ENV_IS_IN_FLASH      1
+#else
+#      define CFG_ENV_ADDR             (CFG_FLASH_BASE + 0x4000)
+#      define CFG_ENV_SECT_SIZE        0x1000
+#      define CFG_ENV_IS_IN_FLASH      1
+#endif
+
+/*
+ * Command line configuration.
+ */
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_LOADB
+#define CONFIG_CMD_LOADS
+#define CONFIG_CMD_EXT2
+#define CONFIG_CMD_FAT
+#define CONFIG_CMD_IDE
+#define CONFIG_CMD_MEMORY
+#define CONFIG_CMD_MISC
+#define CONFIG_CMD_PING
+
+#ifdef CONFIG_CMD_IDE
+/* ATA */
+#      define CONFIG_DOS_PARTITION
+#      define CONFIG_MAC_PARTITION
+#      define CONFIG_IDE_RESET         1
+#      define CONFIG_IDE_PREINIT       1
+#      define CONFIG_ATAPI
+#      undef CONFIG_LBA48
+
+#      define CFG_IDE_MAXBUS           1
+#      define CFG_IDE_MAXDEVICE        2
+
+#      define CFG_ATA_BASE_ADDR        (CFG_MBAR2 + 0x800)
+#      define CFG_ATA_IDE0_OFFSET      0
+
+#      define CFG_ATA_DATA_OFFSET      0xA0    /* Offset for data I/O */
+#      define CFG_ATA_REG_OFFSET       0xA0    /* Offset for normal register accesses */
+#      define CFG_ATA_ALT_OFFSET       0xC0    /* Offset for alternate registers */
+#      define CFG_ATA_STRIDE           4       /* Interval between registers */
+#      define _IO_BASE                 0
+#endif
+
+#define CONFIG_DRIVER_DM9000
+#ifdef CONFIG_DRIVER_DM9000
+#      define CONFIG_DM9000_BASE       ((CFG_CSAR1 << 16) | 0x300)
+#      define DM9000_IO                CONFIG_DM9000_BASE
+#      define DM9000_DATA              (CONFIG_DM9000_BASE + 4)
+#      undef CONFIG_DM9000_DEBUG
+
+#      define CONFIG_ETHADDR           00:e0:0c:bc:e5:60
+#      define CONFIG_IPADDR            10.82.121.249
+#      define CONFIG_NETMASK           255.255.252.0
+#      define CONFIG_SERVERIP          10.82.120.80
+#      define CONFIG_GATEWAYIP         10.82.123.254
+#      define CONFIG_OVERWRITE_ETHADDR_ONCE
+
+#      define CONFIG_EXTRA_ENV_SETTINGS                \
+               "netdev=eth0\0"                         \
+               "inpclk=" MK_STR(CFG_INPUT_CLKSRC) "\0" \
+               "loadaddr=10000\0"                      \
+               "u-boot=u-boot.bin\0"                   \
+               "load=tftp ${loadaddr) ${u-boot}\0"     \
+               "upd=run load; run prog\0"              \
+               "prog=prot off 0 2ffff;"        \
+               "era 0 2ffff;"                  \
+               "cp.b ${loadaddr} 0 ${filesize};"       \
+               "save\0"                                \
+               ""
+#endif
+
+#define CONFIG_HOSTNAME                M5253DEMO
+
+#define CFG_PROMPT             "=> "
+#define CFG_LONGHELP           /* undef to save memory */
+
+#if defined(CONFIG_CMD_KGDB)
+#      define CFG_CBSIZE               1024    /* Console I/O Buffer Size */
+#else
+#      define CFG_CBSIZE               256     /* Console I/O Buffer Size */
+#endif
+#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16)  /* Print Buffer Size */
+#define CFG_MAXARGS            16      /* max number of command args */
+#define CFG_BARGSIZE           CFG_CBSIZE      /* Boot Argument Buffer Size */
+
+#define CFG_LOAD_ADDR          0x00100000
+
+#define CFG_MEMTEST_START      0x400
+#define CFG_MEMTEST_END                0x380000
+
+#define CFG_HZ                 1000
+
+#undef CFG_PLL_BYPASS          /* bypass PLL for test purpose */
+#define CFG_FAST_CLK
+#ifdef CFG_FAST_CLK
+#      define CFG_PLLCR        0x1243E054
+#      define CFG_CLK          140000000
+#else
+#      define CFG_PLLCR        0x135a4140
+#      define CFG_CLK          70000000
+#endif
+
+/*
+ * Low Level Configuration Settings
+ * (address mappings, register initial values, etc.)
+ * You should know what you are doing if you make changes here.
+ */
+
+#define CFG_MBAR               0x10000000      /* Register Base Addrs */
+#define CFG_MBAR2              0x80000000      /* Module Base Addrs 2 */
+
+/*
+ * Definitions for initial stack pointer and data area (in DPRAM)
+ */
+#define CFG_INIT_RAM_ADDR      0x20000000
+#define CFG_INIT_RAM_END       0x10000 /* End of used area in internal SRAM */
+#define CFG_GBL_DATA_SIZE      128     /* size in bytes reserved for initial data */
+#define CFG_GBL_DATA_OFFSET    (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
+#define CFG_INIT_SP_OFFSET     CFG_GBL_DATA_OFFSET
+
+/*
+ * Start addresses for the final memory configuration
+ * (Set up by the startup code)
+ * Please note that CFG_SDRAM_BASE _must_ start at 0
+ */
+#define CFG_SDRAM_BASE         0x00000000
+#define CFG_SDRAM_SIZE         16      /* SDRAM size in MB */
+
+#ifdef CONFIG_MONITOR_IS_IN_RAM
+#      define CFG_MONITOR_BASE 0x20000
+#else
+#      define CFG_MONITOR_BASE (CFG_FLASH_BASE + 0x400)
+#endif
+
+#define CFG_MONITOR_LEN                0x40000
+#define CFG_MALLOC_LEN         (256 << 10)
+#define CFG_BOOTPARAMS_LEN     (64*1024)
+
+/*
+ * For booting Linux, the board info and command line data
+ * have to be in the first 8 MB of memory, since this is
+ * the maximum mapped by the Linux kernel during initialization ??
+ */
+#define CFG_BOOTMAPSZ          (CFG_SDRAM_BASE + (CFG_SDRAM_SIZE << 20))
+
+/* FLASH organization */
+#define CFG_FLASH_BASE         (CFG_CSAR0 << 16)
+#define CFG_MAX_FLASH_BANKS    1       /* max number of memory banks */
+#define CFG_MAX_FLASH_SECT     2048    /* max number of sectors on one chip */
+#define CFG_FLASH_ERASE_TOUT   1000
+
+#define FLASH_SST6401B         0x200
+#define SST_ID_xF6401B         0x236D236D
+
+#undef CFG_FLASH_CFI
+#ifdef CFG_FLASH_CFI
+/*
+ * Unable to use CFI driver, due to incompatible sector erase command by SST.
+ * Amd/Atmel use 0x30 for sector erase, SST use 0x50.
+ * 0x30 is block erase in SST
+ */
+#      define CFG_FLASH_CFI_DRIVER     1
+#      define CFG_FLASH_SIZE           0x800000
+#      define CFG_FLASH_CFI_WIDTH      FLASH_CFI_16BIT
+#      define CONFIG_FLASH_CFI_LEGACY
+#else
+#      define CFG_SST_SECT             2048
+#      define CFG_SST_SECTSZ           0x1000
+#      define CFG_FLASH_WRITE_TOUT     500
+#endif
+
+/* Cache Configuration */
+#define CFG_CACHELINE_SIZE     16
+
+/* Port configuration */
+#define CFG_FECI2C             0xF0
+
+#define CFG_CSAR0              0xFF80
+#define CFG_CSMR0              0x007F0021
+#define CFG_CSCR0              0x1D80
+
+#define CFG_CSAR1               0xE000
+#define CFG_CSMR1               0x00000001
+#define CFG_CSCR1               0x3DD8
+
+#define CFG_CSAR2              0
+#define CFG_CSMR2              0
+#define CFG_CSCR2              0
+
+#define CFG_CSAR3              0
+#define CFG_CSMR3              0
+#define CFG_CSCR3              0
+
+/*-----------------------------------------------------------------------
+ * Port configuration
+ */
+#define CFG_GPIO_FUNC          0x00000008      /* Set gpio pins: none */
+#define CFG_GPIO1_FUNC         0x00df00f0      /* 36-39(SWITCH),48-52(FPGAs),54 */
+#define CFG_GPIO_EN            0x00000008      /* Set gpio output enable */
+#define CFG_GPIO1_EN           0x00c70000      /* Set gpio output enable */
+#define CFG_GPIO_OUT           0x00000008      /* Set outputs to default state */
+#define CFG_GPIO1_OUT          0x00c70000      /* Set outputs to default state */
+#define CFG_GPIO1_LED          0x00400000      /* user led */
+
+#endif                         /* _M5253DEMO_H */