[U-Boot] [PATCH v2 2/2] coldfire: Add support for amcore board
angelo
angelo70 at gmail.com
Wed Oct 31 10:33:21 CET 2012
Add support for amcore board.
Signed-off-by: Angelo Dureghello <sysamfw at gmail.com>
Cc: Jason Jin <jason.jin at freescale.com>
---
Changes for v2:
- Add MAINTAINERS entry
- Add boards.cfg entry
---
MAINTAINERS | 4 +
board/sysam/amcore/Makefile | 43 ++++
board/sysam/amcore/amcore.c | 174 ++++++++++++++
board/sysam/amcore/config.mk | 23 ++
board/sysam/amcore/flash.c | 462
++++++++++++++++++++++++++++++++++++
board/sysam/amcore/u-boot.lds | 101 ++++++++
boards.cfg | 1 +
include/configs/amcore.h | 193 +++++++++++++++
include/flash.h | 1 +
9 files changed, 1002 insertions(+), 0 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index 2daee7d..5cb951f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1118,6 +1118,10 @@ Wolfgang Wegner <w.wegner at astro-kom.de>
astro_mcf5373l MCF5373L
+Angelo Dureghello <sysamfw at gmail.com>
+
+ amcore mcf5307
+
#########################################################################
# AVR32 Systems: #
# #
diff --git a/arch/m68k/cpu/mcf530x/Makefile b/arch/m68k/cpu/mcf530x/Makefile
new file mode 100644
index 0000000..3c5a1c2
--- /dev/null
+++ b/arch/m68k/cpu/mcf530x/Makefile
@@ -0,0 +1,48 @@
+#
+# Copyright (c) 2011 Angelo Dureghello <sysamfw at gmail.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 $(TOPDIR)/config.mk
+
+# CFLAGS += -DET_DEBUG
+
+LIB = $(obj)lib$(CPU).o
+
+START = start.o
+COBJS = interrupts.o cpu.o speed.o cpu_init.o
+
+SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
+START := $(addprefix $(obj),$(START))
+
+all: $(obj).depend $(START) $(LIB)
+
+$(LIB): $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/sysam/amcore/Makefile b/board/sysam/amcore/Makefile
new file mode 100644
index 0000000..c585b19
--- /dev/null
+++ b/board/sysam/amcore/Makefile
@@ -0,0 +1,43 @@
+#
+# Copyright (c) 2011 Angelo Dureghello <sysamfw at gmail.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 $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(BOARD).o
+
+COBJS = $(BOARD).o flash.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/board/sysam/amcore/amcore.c b/board/sysam/amcore/amcore.c
new file mode 100644
index 0000000..e65e7fc
--- /dev/null
+++ b/board/sysam/amcore/amcore.c
@@ -0,0 +1,174 @@
+/*
+ * Copyright (c) 2011 Angelo Dureghello <sysamfw at gmail.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 <command.h>
+#include <malloc.h>
+#include <asm/immap.h>
+
+/*
+ * board can have a K0108 lcd connected on the parallel port,
+ * wired as below:
+ *
+ * fc cpu P0 P1 P2 P3 P4 P5 P6 P7 P10 P11 P12 P13 P14
+ * lcd D0 D1 D2 D3 D4 D5 D6 D7 CS1 CS2 RW DI E
+ *
+ * Starting up setting lines in high impedance
+ */
+int init_lcd (void)
+{
+ /* all pins set to parallel port except PP8 and PP9 */
+ mbar_writeShort(MCFSIM_PAR, 0x300);
+ /* all outputs except P8 and P9 */
+ mbar_writeShort(MCFSIM_PADDR, 0xfcff);
+ /* CSX and E all disabled, D(data), W(write) */
+ mbar_writeShort(MCFSIM_PADAT, 0x0c00);
+}
+
+int checkboard (void)
+{
+ puts ("Board: ");
+ puts ("AMCORE v.001(alpha)\n");
+
+ init_lcd();
+
+ return 0;
+}
+
+/* aprox delay, to use before any timer init */
+void fudelay (int usec)
+{
+ int i=0;
+
+ for (;i<10;++i)
+ {
+ __asm__ __volatile__ ("nop");
+ }
+}
+
+phys_size_t initdram (int board_type)
+{
+ icache_disable();
+
+ /*
+ SDRAM MT48LC4M32B2 details
+
+ Memory block 0: 16 MB of SDRAM at address $00000000
+ Port size: 32-bit port
+
+ Memory block 0 wired as follows:
+ ColdFire Pin: A15 A14 A13 A12 A11 A10 A9 A17 A18 A19 A20
A21 A22 A23
+ SDRAM Pin: A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10(CMD)
A11 BA0 BA1
+
+ Ensure that there is a delay of at least 100 microseconds from
processor
+ reset to the following code so that the SDRAM is ready for
commands...
+
+ write to DACR0 base address:0x0000, CASL:03, command bit 20,
+ CBM is OK to 3 ***, 32 bit port, continuos page mode, rest to 0
+ */
+
+ fudelay(1000);
+
+ /**
+ * DCR
+ * 0x26 mean Refresh period at 64msec (x4096 rows)
+ * 0x8000,0x8100,0x8200 are all valid, faster is 0x8000 (7G, tRC
is >=70ns)
+ */
+ mbar_writeShort(MCFSIM_DCR, 0x8226);
+
+ /**
+ * DACR0
+ * page mode on burst only (to be verified) 0x00
+ * CMD on A20 0x0300
+ */
+ mbar_writeLong(MCFSIM_DACR0, 0x00003304);
+ mbar_writeLong(MCFSIM_DMR0, 0x00ff0001);
+
+ // issue a PRECHARGE ALL
+ mbar_writeLong(MCFSIM_DACR0, 0x0000330c);
+ *((volatile unsigned long *)(0x00000004)) = 0xbeaddeed;
+ mbar_writeLong(MCFSIM_DACR0, 0x0000b304);
+
+ fudelay(1000);
+
+ *((volatile unsigned long *)(0x00000004)) = 0xbeaddeed;
+ mbar_writeLong(MCFSIM_DACR0, 0x0000b304);
+
+ fudelay(1000);
+
+ mbar_writeLong(MCFSIM_DACR0, 0x0000b344);
+ *((volatile unsigned long *)(0x00000c00)) = 0xbeaddeed;
+
+ // Memory block 1 not in use (DMR1[V] = 0)
+ mbar_writeLong(MCFSIM_DMR1, 0x00040000);
+ mbar_writeLong(MCFSIM_DACR1, 0x00000000);
+
+ icache_enable();
+
+ return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
+}
+
+int testdram (void)
+{
+ int i=0,x,rval=0;
+
+ icache_disable();
+
+ const unsigned long a=0xaaaaaaaa;
+ const unsigned long b=0x55555555;
+ const unsigned long c=0xffffffff;
+ volatile unsigned long *p = (volatile unsigned long *)0;
+ volatile unsigned long *q;
+
+ puts ("SRAM test:\n");
+
+ for (;i<16;++i)
+ {
+ printf ("testing MB %02d ...\n", i+1);
+
+ q=p=(volatile unsigned long*)(1024*1024*i);
+
+ for (x=0;x<65536;++x) {
+ *p++=0;
+ *p++=a;
+ *p++=b;
+ *p++=c;
+ }
+ for (x=0;x<65536;++x) {
+ if (*q++!=0) goto error;
+ if (*q++!=a) goto error;
+ if (*q++!=b) goto error;
+ if (*q++!=c) goto error;
+ }
+ }
+ puts ("test passed !\n");
+ goto exit;
+
+error:
+ puts ("test failed !\n");
+ rval=1;
+
+exit:
+ icache_enable();
+
+ return (rval);
+}
diff --git a/board/sysam/amcore/config.mk b/board/sysam/amcore/config.mk
new file mode 100644
index 0000000..cb45c2c
--- /dev/null
+++ b/board/sysam/amcore/config.mk
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2011 Angelo Dureghello <sysamfw at gmail.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
+#
+
+CONFIG_SYS_TEXT_BASE = 0xffc00000
diff --git a/board/sysam/amcore/flash.c b/board/sysam/amcore/flash.c
new file mode 100644
index 0000000..d2390f1
--- /dev/null
+++ b/board/sysam/amcore/flash.c
@@ -0,0 +1,462 @@
+/*
+ * Copyright (c) 2011 Angelo Dureghello <sysamfw at gmail.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 CONFIG_SYS_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[CONFIG_SYS_MAX_FLASH_BANKS];
+
+unsigned short swap (unsigned short value)
+{
+ return ((value << 8) | (value >> 8));
+}
+
+ulong flash_init(void)
+{
+ ulong size = 0;
+ ulong fbase = 0;
+
+ fbase = (ulong) CONFIG_SYS_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;
+
+ 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 < CONFIG_SYS_SST_SECT; j++, k++) {
+ info->start[k + 1] = info->start[k] +
CONFIG_SYS_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_SST3201B:
+ printf("SST39VF3201B\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 vend, flid;
+
+ /* amcore board has bus bytes swapped */
+
+ addr[FLASH_CYCLE1] = (FPWV) 0xAA00AA00; /* for Atmel, Intel
ignores this */
+ addr[FLASH_CYCLE2] = (FPWV) 0x55005500; /* for Atmel, Intel
ignores this */
+ addr[FLASH_CYCLE1] = (FPWV) 0x90009000; /* selects Manufacture */
+
+ vend=swap(addr[0]);
+
+ //printf ("vendor = %08X\n", vend);
+
+ switch (vend) {
+ case (u8) SST_MANUFACT:
+ info->flash_id = FLASH_MAN_SST;
+ flid = swap(addr[1]);
+ break;
+ default:
+ printf("Unknown Flash\n");
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+
+ *addr = (FPW) 0xF000F000;
+ return (0); /* no or unknown flash */
+ }
+
+ //printf ("flash id = %08X\n", flid);
+
+ switch (flid) {
+ case (u16) SST_ID_xF3201B:
+ info->flash_id += FLASH_SST3201B;
+ break;
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ break;
+ }
+
+ info->sector_count = 0;
+ info->size = 0;
+ info->sector_count = CONFIG_SYS_SST_SECT;
+ info->size = CONFIG_SYS_SST_SECT * CONFIG_SYS_SST_SECTSZ;
+
+ /* reset ID mode */
+ *addr = (FPWV) 0xF000F000;
+
+ if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) {
+ printf("** ERROR: sector count %d > max (%d) **\n",
+ info->sector_count, CONFIG_SYS_MAX_FLASH_SECT);
+ info->sector_count = CONFIG_SYS_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) == (CONFIG_SYS_SST_SECT - 1)) {
+ if (prot == 0) {
+ addr = (FPWV *) info->start[0];
+
+ addr[FLASH_CYCLE1] = 0xAA00; /* unlock */
+ addr[FLASH_CYCLE2] = 0x5500; /* unlock */
+ addr[FLASH_CYCLE1] = 0x8000; /* erase mode */
+ addr[FLASH_CYCLE1] = 0xAA00; /* unlock */
+ addr[FLASH_CYCLE2] = 0x5500; /* unlock */
+ *addr = 0x3000; /* erase chip */
+
+ count = 0;
+ start = get_timer(0);
+
+ while ((*addr & 0x8000) != 0x8000) {
+ if (count++ > 0x10000) {
+ spin_wheel();
+ count = 0;
+ }
+
+ if (get_timer(start) >
CONFIG_SYS_FLASH_ERASE_TOUT) {
+ printf("Timeout\n");
+ *addr = 0xF000; /* reset to read
mode */
+
+ return 1;
+ }
+ }
+
+ *addr = 0xF000; /* reset to read mode */
+
+ printf("\b. done\n");
+
+ if (flag)
+ enable_interrupts();
+
+ return 0;
+ } else if (prot == CONFIG_SYS_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 *)
(CONFIG_SYS_FLASH_BASE); /* First sector */
+
+ base[FLASH_CYCLE1] = 0xAA00;
/* unlock */
+ base[FLASH_CYCLE2] = 0x5500;
/* unlock */
+ base[FLASH_CYCLE1] = 0x8000;
/* erase mode */
+ base[FLASH_CYCLE1] = 0xAA00;
/* unlock */
+ base[FLASH_CYCLE2] = 0x5500;
/* unlock */
+ *addr = 0x5000; /* erase sector */
+
+ if (flag)
+ enable_interrupts();
+
+ while ((*addr & 0x8000) != 0x8000) {
+ if (get_timer(start) >
+
CONFIG_SYS_FLASH_ERASE_TOUT) {
+ printf("Timeout\n");
+ *addr = 0xF000;
/* reset to read mode */
+
+ rcode = 1;
+ break;
+ }
+ }
+
+ *addr = 0xF000; /* 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) {
+ /*
+ * writing words here
+ */
+ 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 last byte, if exist */
+ if (cnt) {
+ count = 0;
+ data = *((FPWV *) wp);
+
+ data = (data & 0x00ff) | (*src << 8);
+
+ if ((rc = write_word(info, (FPWV *) wp, data)) != 0)
+ return (rc);
+ cnt--;
+ }
+
+ if (cnt == 0)
+ return ERR_OK;
+
+ return ERR_OK;
+}
+
+/*-----------------------------------------------------------------------
+ * Write a word to Flash
+ * Function ready for 16 bit PS flash chips
+ *
+ * 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 & data) != data) {
+ return (2);
+ }
+
+ base = (FPWV *) (CONFIG_SYS_FLASH_BASE);
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+ base[FLASH_CYCLE1] = 0xAA00; /* unlock */
+ base[FLASH_CYCLE2] = 0x5500; /* unlock */
+ base[FLASH_CYCLE1] = 0xA000; /* 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 & 0x8000) != (data & 0x8000)) {
+ if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
+ *dest = 0xF000; /* reset bank */
+ res = 1;
+ }
+ }
+
+ *dest++ = 0xF000; /* 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/sysam/amcore/u-boot.lds b/board/sysam/amcore/u-boot.lds
new file mode 100644
index 0000000..ccb770d
--- /dev/null
+++ b/board/sysam/amcore/u-boot.lds
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2011 Angelo Dureghello <sysamfw at gmail.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
+ */
+
+OUTPUT_ARCH(m68k)
+
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ .text :
+ {
+ arch/m68k/cpu/mcf530x/start.o (.text)
+
+ . = DEFINED(env_offset) ? env_offset : .;
+ common/env_embedded.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 :
+ {
+ __got_start = .;
+ KEEP(*(.got))
+ __got_end = .;
+ _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 = .);
+
+ . = .;
+
+ . = ALIGN(4);
+ .u_boot_list : {
+ #include <u-boot.lst>
+ }
+
+ . = .;
+ __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) :
+ {
+ _sbss = .;
+ *(.sbss*)
+ *(.bss*)
+ *(COMMON)
+ . = ALIGN(4);
+ _ebss = .;
+ }
+ __bss_end__ = . ;
+ PROVIDE (end = .);
+}
diff --git a/boards.cfg b/boards.cfg
index 0ecd1b8..536d048 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -375,6 +375,7 @@ M5271EVB m68k mcf52x2
m5271evb freesca
M5272C3 m68k mcf52x2
m5272c3 freescale
M5275EVB m68k mcf52x2
m5275evb freescale
M5282EVB m68k mcf52x2
m5282evb freescale
+amcore m68k mcf530x
amcore sysam
astro_mcf5373l m68k mcf532x
mcf5373l astro
M53017EVB m68k mcf532x
m53017evb freescale
M5329AFEE m68k mcf532x
m5329evb freescale - M5329EVB:NANDFLASH_SIZE=0
diff --git a/include/configs/amcore.h b/include/configs/amcore.h
new file mode 100644
index 0000000..c6b49e8
--- /dev/null
+++ b/include/configs/amcore.h
@@ -0,0 +1,193 @@
+/*
+ * Configuation settings for the Sysam AMCORE board.
+ *
+ * Copyright (c) 2011 Angelo Dureghello <sysamfw at gmail.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
+ */
+
+/*
+ * board/config.h - configuration options, board specific
+ */
+
+#ifndef _AMCORE_H
+#define _AMCORE_H
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+#define CONFIG_MCF530x /* define processor family */
+#define CONFIG_M5307 /* define processor type */
+
+#define CONFIG_MCFTMR
+
+#define CONFIG_MCFUART
+#define CONFIG_SYS_UART_PORT (0)
+#define CONFIG_BAUDRATE 115200
+#define CONFIG_SYS_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600,
115200 }
+#define CONFIG_BOOTDELAY 1 /* autoboot after 5 seconds */
+#define CONFIG_BOOTCOMMAND "bootm ffc20000" /* autoboot command */
+
+
+
+#undef CONFIG_WATCHDOG
+#undef CONFIG_MONITOR_IS_IN_RAM
+
+/*
+ * BOOTP options
+ */
+#undef CONFIG_BOOTP_BOOTFILESIZE
+#undef CONFIG_BOOTP_BOOTPATH
+#undef CONFIG_BOOTP_GATEWAY
+#undef CONFIG_BOOTP_HOSTNAME
+
+/*
+ * Command line configuration.
+ */
+
+#include <config_cmd_default.h>
+#undef CONFIG_CMD_CACHE
+#undef CONFIG_CMD_NET
+#undef CONFIG_CMD_NFS
+#define CONFIG_CMD_MEMORY
+#define CONFIG_CMD_FLASH
+#define CONFIG_CMD_CACHE
+
+#define CONFIG_SYS_PROMPT "amcore$ "
+//#define CONFIG_SYS_LONGHELP /* undef to save
memory */
+
+#if defined(CONFIG_CMD_KGDB)
+#define CONFIG_SYS_CBSIZE 1024 /* Console I/O
Buffer Size */
+#else
+#define CONFIG_SYS_CBSIZE 256 /* Console I/O
Buffer Size */
+#endif
+#define CONFIG_SYS_PBSIZE
(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
+#define CONFIG_SYS_MAXARGS 16 /* max number of
command args */
+#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot
Argument Buffer Size */
+
+#define CONFIG_SYS_DEVICE_NULLDEV 1 /* include nulldev
device */
+#define CONFIG_SYS_CONSOLE_INFO_QUIET 1 /* don't print console @
startup */
+#define CONFIG_AUTO_COMPLETE 1 /* add autocompletion support */
+#define CONFIG_LOOPW 1 /* enable loopw command */
+#define CONFIG_MX_CYCLIC 1 /* enable mdc/mwc commands */
+
+#define CONFIG_SYS_LOAD_ADDR 0x20000 /* default load address */
+
+#undef CONFIG_SYS_DRAM_TEST
+#define CONFIG_SYS_MEMTEST_START 0x0
+#define CONFIG_SYS_MEMTEST_END 0x100000
+
+#define CONFIG_SYS_HZ 1000
+
+/*
+ * Clock configuration: enable only one of the following options
+ */
+
+#undef CONFIG_SYS_PLL_BYPASS /* bypass PLL
for test purpose */
+#define CONFIG_SYS_CLK 90000000 /*
MCF5307 run at 90MHz */
+
+/*
+ * Low Level Configuration Settings
+ * (address mappings, register initial values, etc.)
+ * You should know what you are doing if you make changes here.
+ */
+
+#define CONFIG_SYS_MBAR 0x10000000 /* Register Base
Addrs */
+
+
+/*-----------------------------------------------------------------------
+ * Definitions for initial stack pointer and data area (in DPRAM)
+ */
+#define CONFIG_SYS_INIT_RAM_ADDR 0x20000000
+#define CONFIG_SYS_INIT_RAM_SIZE 0x1000 /* Size of used area in
internal SRAM */
+#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE -
GENERATED_GBL_DATA_SIZE)
+#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
+
+#define CONFIG_ENV_IS_IN_FLASH 1
+#define CONFIG_ENV_OFFSET 0x600 /* Address of Environment Sector*/
+#define CONFIG_ENV_SIZE 0x0400 /* Total Size of
Environment Sector */
+#define CONFIG_ENV_SECT_SIZE 0x0400 /* see README - env sector total
size */
+
+/*-----------------------------------------------------------------------
+ * Start addresses for the final memory configuration
+ * (Set up by the startup code)
+ * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
+ */
+#define CONFIG_SYS_SDRAM_BASE 0x00000000
+#define CONFIG_SYS_SDRAM_SIZE 16 /* SDRAM size in
MB */
+#define CONFIG_SYS_FLASH_BASE 0xffc00000
+#define CONFIG_SYS_MAX_FLASH_BANKS 1
+#define CONFIG_SYS_MAX_FLASH_SECT 1024 /* max number of sectors
on one chip */
+#define CONFIG_SYS_FLASH_ERASE_TOUT 1000
+
+#define FLASH_SST3201B 0x300
+
+#define CONFIG_SYS_SST_SECT 1024
+#define CONFIG_SYS_SST_SECTSZ 0x1000
+#define CONFIG_SYS_FLASH_WRITE_TOUT 500
+
+#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_FLASH_BASE +
0x400)
+
+#define CONFIG_SYS_MONITOR_LEN 0x20000
+#define CONFIG_SYS_MALLOC_LEN (1 * 1024*1024) /* Reserve 1 MB
for malloc() */
+#define CONFIG_SYS_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 CONFIG_SYS_BOOTMAPSZ (CONFIG_SYS_SDRAM_BASE +
(CONFIG_SYS_SDRAM_SIZE << 20))
+
+/*-----------------------------------------------------------------------
+ * Cache Configuration
+ */
+#define CONFIG_SYS_CACHELINE_SIZE 16
+
+#define ICACHE_STATUS (CONFIG_SYS_INIT_RAM_ADDR + \
+ CONFIG_SYS_INIT_RAM_SIZE - 8)
+#define DCACHE_STATUS (CONFIG_SYS_INIT_RAM_ADDR + \
+ CONFIG_SYS_INIT_RAM_SIZE - 4)
+#define CONFIG_SYS_ICACHE_INV (CF_CACR_CINVA)
+#define CONFIG_SYS_CACHE_ACR0 (CONFIG_SYS_FLASH_BASE | \
+ CF_ADDRMASK(2) | \
+ CF_ACR_EN | CF_ACR_SM_ALL)
+
+/* no ACR1 initialization for SDRAM before SDRAM init */
+
+#define CONFIG_SYS_CACHE_ICACR (CF_CACR_EC | CF_CACR_CINVA | \
+ CF_CACR_DCM_P)
+
+
+/*-----------------------------------------------------------------------
+ * Memory bank definitions
+ */
+
+/* CS0 - AMD Flash, address 0xffc00000 */
+#define CONFIG_SYS_CS0_BASE (CONFIG_SYS_FLASH_BASE)
+#define CONFIG_SYS_CS0_CTRL 0x00001980 /*
WS=10, AA=1, PS=16bit (10) */
+#define CONFIG_SYS_CS0_MASK 0x003f0001 /* 4MB,
AA=0,V=1 C/I BIT !!!!! */
+
+/* CS1 - DM9000 Ethernet Controller, address 0x30000000 */
+#define CONFIG_SYS_CS1_BASE 0x30000000
+#define CONFIG_SYS_CS1_CTRL 0x00000100
+#define CONFIG_SYS_CS1_MASK 0x00070001
+
+#endif //_AMCORE_H
diff --git a/include/flash.h b/include/flash.h
index 7db599e..7b8bff0 100644
--- a/include/flash.h
+++ b/include/flash.h
@@ -282,6 +282,7 @@ extern flash_info_t *flash_get_info(ulong base);
#define SST_ID_xF1601 0x234B234B /* 39xF1601 ID (16M = 1M x 16
) */
#define SST_ID_xF1602 0x234A234A /* 39xF1602 ID (16M = 1M x 16
) */
#define SST_ID_xF3201 0x235B235B /* 39xF3201 ID (32M = 2M x 16
) */
+#define SST_ID_xF3201B 0x235D235D /* 39xF320B1 ID (32M = 2M x 16
) */
#define SST_ID_xF3202 0x235A235A /* 39xF3202 ID (32M = 2M x 16
) */
#define SST_ID_xF6401 0x236B236B /* 39xF6401 ID (64M = 4M x 16
) */
#define SST_ID_xF6402 0x236A236A /* 39xF6402 ID (64M = 4M x 16
) */
More information about the U-Boot
mailing list