* Patches by David Müller, 31 Jan 2003:
- minimal setup for CardBus bridges
- add EEPROM read/write support in the CS8900 driver
- add support for the builtin I2C controller in the Samsung s3c24x0 chips
- add support for MPL's VCMA9 (Samsung s3c2410 based) board
* Patch by Steven Scholz, 04 Feb 2003:
add support for RTC DS1307
* Patch by Reinhard Meyer, 5 Feb 2003:
fix PLPRCR/SCCR init sequence on 8xx to allow for
changes of EBDF by software
* Patch by Vladimir Gurevich, 07 Feb 2003:
"API-compatibility patch" for 4xx I2C driver
diff --git a/board/mpl/common/common_util.c b/board/mpl/common/common_util.c
index a4a73a6..0a67090 100644
--- a/board/mpl/common/common_util.c
+++ b/board/mpl/common/common_util.c
@@ -27,6 +27,7 @@
#include <video_fb.h>
#include "common_util.h"
#include <asm/processor.h>
+#include <asm/byteorder.h>
#include <i2c.h>
#include <devices.h>
#include <pci.h>
@@ -39,7 +40,7 @@
extern flash_info_t flash_info[]; /* info for FLASH chips */
-image_header_t header;
+static image_header_t header;
@@ -51,6 +52,13 @@
unsigned long *magic = (unsigned long *)src;
info = &flash_info[0];
+
+#if defined(CONFIG_PIP405) || defined(CONFIG_MIP405)
+ if(ntohl(magic[0]) != IH_MAGIC) {
+ printf("Bad Magic number\n");
+ return -1;
+ }
+
start = 0 - size;
for(i=info->sector_count-1;i>0;i--)
{
@@ -60,13 +68,25 @@
}
/* set-up flash location */
/* now erase flash */
- if(magic[0]!=IH_MAGIC) {
- printf("Bad Magic number\n");
- return -1;
- }
printf("Erasing at %lx (sector %d) (start %lx)\n",
start,i,info->start[i]);
flash_erase (info, i, info->sector_count-1);
+
+#elif defined(CONFIG_VCMA9)
+ start = 0;
+ for (i = 0; i <info->sector_count; i++)
+ {
+ info->protect[i] = 0; /* unprotect this sector */
+ if (size < info->start[i])
+ break;
+ }
+ /* set-up flash location */
+ /* now erase flash */
+ printf("Erasing at %lx (sector %d) (start %lx)\n",
+ start,0,info->start[0]);
+ flash_erase (info, 0, i);
+
+#endif
printf("flash erased, programming from 0x%lx 0x%lx Bytes\n",src,size);
if ((rc = flash_write ((uchar *)src, start, size)) != 0) {
puts ("ERROR ");
@@ -84,7 +104,7 @@
image_header_t *hdr=&header;
/* Copy header so we can blank CRC field for re-calculation */
memcpy (&header, (char *)ld_addr, sizeof(image_header_t));
- if (hdr->ih_magic != IH_MAGIC) {
+ if (ntohl(hdr->ih_magic) != IH_MAGIC) {
printf ("Bad Magic Number\n");
return 1;
}
@@ -99,16 +119,16 @@
}
data = (ulong)&header;
len = sizeof(image_header_t);
- checksum = hdr->ih_hcrc;
+ checksum = ntohl(hdr->ih_hcrc);
hdr->ih_hcrc = 0;
if (crc32 (0, (char *)data, len) != checksum) {
printf ("Bad Header Checksum\n");
return 1;
}
data = ld_addr + sizeof(image_header_t);
- len = hdr->ih_size;
+ len = ntohl(hdr->ih_size);
printf ("Verifying Checksum ... ");
- if (crc32 (0, (char *)data, len) != hdr->ih_dcrc) {
+ if (crc32 (0, (char *)data, len) != ntohl(hdr->ih_dcrc)) {
printf ("Bad Data CRC\n");
return 1;
}
@@ -152,14 +172,14 @@
}
}
memcpy(back.signature,"MPL\0",4);
- i=getenv_r("serial#",back.serial_name,16);
- if(i==0) {
+ i = getenv_r("serial#",back.serial_name,16);
+ if(i < 0) {
printf("Not possible to write Backup\n");
return;
}
back.serial_name[16]=0;
- i=getenv_r("ethaddr",back.eth_addr,20);
- if(i==0) {
+ i = getenv_r("ethaddr",back.eth_addr,20);
+ if(i < 0) {
printf("Not possible to write Backup\n");
return;
}
@@ -338,7 +358,7 @@
#define SW_CS_PRINTF(fmt,args...)
#endif
-
+#if defined(CONFIG_PIP405) || defined(CONFIG_MIP405)
int switch_cs(unsigned char boot)
{
unsigned long pbcr;
@@ -391,7 +411,12 @@
return 0;
}
}
-
+#elif defined(CONFIG_VCMA9)
+int switch_cs(unsigned char boot)
+{
+ return 0;
+}
+#endif /* CONFIG_VCMA9 */
int do_mplcommon(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
diff --git a/board/mpl/vcma9/Makefile b/board/mpl/vcma9/Makefile
new file mode 100644
index 0000000..428eea2
--- /dev/null
+++ b/board/mpl/vcma9/Makefile
@@ -0,0 +1,49 @@
+#
+# (C) Copyright 2000, 2001, 2002
+# 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 := vcma9.o flash.o cmd_vcma9.o
+OBJS += ../common/common_util.o ../common/memtst.o
+
+SOBJS := memsetup.o
+
+$(LIB): $(OBJS) $(SOBJS)
+ $(AR) crv $@ $^
+
+clean:
+ rm -f $(SOBJS) $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+ $(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+-include .depend
+
+#########################################################################
diff --git a/board/mpl/vcma9/cmd_vcma9.c b/board/mpl/vcma9/cmd_vcma9.c
new file mode 100644
index 0000000..cdafc50
--- /dev/null
+++ b/board/mpl/vcma9/cmd_vcma9.c
@@ -0,0 +1,144 @@
+/*
+ * (C) Copyright 2002
+ * Denis Peter, MPL AG Switzerland, d.peter@mpl.ch
+ *
+ * adapted for VCMA9
+ * David Mueller, ELSOFT AG, d.mueller@elsoft.ch
+ *
+ * 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 "vcma9.h"
+#include "../common/common_util.h"
+
+#if defined(CONFIG_DRIVER_CS8900)
+#include <../drivers/cs8900.h>
+
+static uchar cs8900_chksum(ushort data)
+{
+ return((data >> 8) & 0x00FF) + (data & 0x00FF);
+}
+
+#endif
+
+extern void print_vcma9_info(void);
+extern int vcma9_cantest(void);
+extern int vcma9_nandtest(void);
+extern int vcma9_dactest(void);
+extern int do_mplcommon(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+
+/* ------------------------------------------------------------------------- */
+
+int do_vcma9(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ if (strcmp(argv[1], "info") == 0)
+ {
+ print_vcma9_info();
+ return 0;
+ }
+#if defined(CONFIG_DRIVER_CS8900)
+ if (strcmp(argv[1], "cs8900_eeprom") == 0) {
+ if (strcmp(argv[2], "read") == 0) {
+ uchar addr; ushort data;
+
+ addr = simple_strtoul(argv[3], NULL, 16);
+ cs8900_e2prom_read(addr, &data);
+ printf("0x%2.2X: 0x%4.4X\n", addr, data);
+ } else if (strcmp(argv[2], "write") == 0) {
+ uchar addr; ushort data;
+
+ addr = simple_strtoul(argv[3], NULL, 16);
+ data = simple_strtoul(argv[4], NULL, 16);
+ cs8900_e2prom_write(addr, data);
+ } else if (strcmp(argv[2], "setaddr") == 0) {
+ uchar addr, i, csum; ushort data;
+
+ /* check for valid ethaddr */
+ for (i = 0; i < 6; i++)
+ if (gd->bd->bi_enetaddr[i] != 0)
+ break;
+
+ if (i < 6) {
+ addr = 1;
+ data = 0x2158;
+ cs8900_e2prom_write(addr, data);
+ csum = cs8900_chksum(data);
+ addr++;
+ for (i = 0; i < 6; i+=2) {
+ data = gd->bd->bi_enetaddr[i+1] << 8 |
+ gd->bd->bi_enetaddr[i];
+ cs8900_e2prom_write(addr, data);
+ csum += cs8900_chksum(data);
+ addr++;
+ }
+ /* calculate header link byte */
+ data = 0xA100 | (addr * 2);
+ cs8900_e2prom_write(0, data);
+ csum += cs8900_chksum(data);
+ /* write checksum word */
+ cs8900_e2prom_write(addr, (0 - csum) << 8);
+ } else {
+ printf("\nplease defined 'ethaddr'\n");
+ }
+ } else if (strcmp(argv[2], "dump") == 0) {
+ uchar addr, endaddr, csum; ushort data;
+
+ printf("Dump of CS8900 config device: ");
+ cs8900_e2prom_read(addr, &data);
+ if ((data & 0xE000) == 0xA000) {
+ endaddr = (data & 0x00FF) / 2;
+ csum = cs8900_chksum(data);
+ for (addr = 1; addr <= endaddr; addr++) {
+ cs8900_e2prom_read(addr, &data);
+ printf("\n0x%2.2X: 0x%4.4X", addr, data);
+ csum += cs8900_chksum(data);
+ }
+ printf("\nChecksum: %s", (csum == 0) ? "ok" : "wrong");
+ } else {
+ printf("no valid config found");
+ }
+ printf("\n");
+ }
+
+ return 0;
+ }
+#endif
+#if 0
+ if (strcmp(argv[1], "cantest") == 0) {
+ vcma9_cantest();
+ return 0;
+ }
+ if (strcmp(argv[1], "nandtest") == 0) {
+ vcma9_nandtest();
+ return 0;
+ }
+ if (strcmp(argv[1], "dactest") == 0) {
+ vcma9_dactest();
+ return 0;
+ }
+#endif
+
+ return (do_mplcommon(cmdtp, flag, argc, argv));
+}
+
diff --git a/board/mpl/vcma9/config.mk b/board/mpl/vcma9/config.mk
new file mode 100644
index 0000000..19ef187
--- /dev/null
+++ b/board/mpl/vcma9/config.mk
@@ -0,0 +1,24 @@
+#
+# (C) Copyright 2002
+# David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
+#
+# MPL VCMA9 board with S3C2410X (ARM920T) cpu
+#
+# see http://www.mpl.ch/ for more information about the MPL VCMA9
+#
+
+#
+# MPL VCMA9 has 1 bank of 64 MB DRAM
+#
+# 3000'0000 to 3400'0000
+#
+# Linux-Kernel is expected to be at 3000'8000, entry 3000'8000
+# optionally with a ramdisk at 3080'0000
+#
+# we load ourself to 33F0'0000
+#
+# download area is 3300'0000
+#
+
+
+TEXT_BASE = 0x33F00000
diff --git a/board/mpl/vcma9/flash.c b/board/mpl/vcma9/flash.c
new file mode 100644
index 0000000..c2075da
--- /dev/null
+++ b/board/mpl/vcma9/flash.c
@@ -0,0 +1,445 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.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>
+
+ulong myflush(void);
+
+
+#define FLASH_BANK_SIZE PHYS_FLASH_SIZE
+#define MAIN_SECT_SIZE 0x10000 /* 64 KB */
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
+
+
+#define CMD_READ_ARRAY 0x000000F0
+#define CMD_UNLOCK1 0x000000AA
+#define CMD_UNLOCK2 0x00000055
+#define CMD_ERASE_SETUP 0x00000080
+#define CMD_ERASE_CONFIRM 0x00000030
+#define CMD_PROGRAM 0x000000A0
+#define CMD_UNLOCK_BYPASS 0x00000020
+
+#define MEM_FLASH_ADDR1 (*(volatile u16 *)(CFG_FLASH_BASE + (0x00000555 << 1)))
+#define MEM_FLASH_ADDR2 (*(volatile u16 *)(CFG_FLASH_BASE + (0x000002AA << 1)))
+
+#define BIT_ERASE_DONE 0x00000080
+#define BIT_RDY_MASK 0x00000080
+#define BIT_PROGRAM_ERROR 0x00000020
+#define BIT_TIMEOUT 0x80000000 /* our flag */
+
+#define READY 1
+#define ERR 2
+#define TMO 4
+
+/*-----------------------------------------------------------------------
+ */
+
+ulong flash_init(void)
+{
+ int i, j;
+ ulong size = 0;
+
+ for (i = 0; i < CFG_MAX_FLASH_BANKS; i++)
+ {
+ ulong flashbase = 0;
+ flash_info[i].flash_id =
+#if defined(CONFIG_AMD_LV400)
+ (AMD_MANUFACT & FLASH_VENDMASK) |
+ (AMD_ID_LV400B & FLASH_TYPEMASK);
+#elif defined(CONFIG_AMD_LV800)
+ (AMD_MANUFACT & FLASH_VENDMASK) |
+ (AMD_ID_LV800B & FLASH_TYPEMASK);
+#else
+#error "Unknown flash configured"
+#endif
+ 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);
+ if (i == 0)
+ flashbase = PHYS_FLASH_1;
+ else
+ panic("configured to many flash banks!\n");
+ for (j = 0; j < flash_info[i].sector_count; j++)
+ {
+ if (j <= 3)
+ {
+ /* 1st one is 16 KB */
+ if (j == 0)
+ {
+ flash_info[i].start[j] = flashbase + 0;
+ }
+
+ /* 2nd and 3rd are both 8 KB */
+ if ((j == 1) || (j == 2))
+ {
+ flash_info[i].start[j] = flashbase + 0x4000 + (j-1)*0x2000;
+ }
+
+ /* 4th 32 KB */
+ if (j == 3)
+ {
+ flash_info[i].start[j] = flashbase + 0x8000;
+ }
+ }
+ else
+ {
+ flash_info[i].start[j] = flashbase + (j - 3)*MAIN_SECT_SIZE;
+ }
+ }
+ size += flash_info[i].size;
+ }
+
+ flash_protect(FLAG_PROTECT_SET,
+ CFG_FLASH_BASE,
+ CFG_FLASH_BASE + _armboot_end - _armboot_start,
+ &flash_info[0]);
+
+ flash_protect(FLAG_PROTECT_SET,
+ CFG_ENV_ADDR,
+ CFG_ENV_ADDR + CFG_ENV_SIZE - 1,
+ &flash_info[0]);
+
+ return size;
+}
+
+/*-----------------------------------------------------------------------
+ */
+void flash_print_info (flash_info_t *info)
+{
+ int i;
+
+ switch (info->flash_id & FLASH_VENDMASK)
+ {
+ case (AMD_MANUFACT & FLASH_VENDMASK):
+ printf("AMD: ");
+ break;
+ default:
+ printf("Unknown Vendor ");
+ break;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK)
+ {
+ case (AMD_ID_LV400B & FLASH_TYPEMASK):
+ printf("1x Amd29LV400BB (4Mbit)\n");
+ break;
+ case (AMD_ID_LV800B & FLASH_TYPEMASK):
+ printf("1x Amd29LV800BB (8Mbit)\n");
+ break;
+ default:
+ printf("Unknown Chip Type\n");
+ goto Done;
+ break;
+ }
+
+ printf(" Size: %ld MB in %d Sectors\n",
+ info->size >> 20, info->sector_count);
+
+ printf(" Sector Start Addresses:");
+ for (i = 0; i < info->sector_count; i++)
+ {
+ if ((i % 5) == 0)
+ {
+ printf ("\n ");
+ }
+ printf (" %08lX%s", info->start[i],
+ info->protect[i] ? " (RO)" : " ");
+ }
+ printf ("\n");
+
+Done:
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+int flash_erase (flash_info_t *info, int s_first, int s_last)
+{
+ ushort result;
+ int iflag, cflag, prot, sect;
+ int rc = ERR_OK;
+ int chip;
+
+ /* first look for protection bits */
+
+ if (info->flash_id == FLASH_UNKNOWN)
+ return ERR_UNKNOWN_FLASH_TYPE;
+
+ if ((s_first < 0) || (s_first > s_last)) {
+ return ERR_INVAL;
+ }
+
+ if ((info->flash_id & FLASH_VENDMASK) !=
+ (AMD_MANUFACT & FLASH_VENDMASK)) {
+ return ERR_UNKNOWN_FLASH_VENDOR;
+ }
+
+ prot = 0;
+ for (sect=s_first; sect<=s_last; ++sect) {
+ if (info->protect[sect]) {
+ prot++;
+ }
+ }
+ if (prot)
+ return ERR_PROTECTED;
+
+ /*
+ * 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();
+
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect<=s_last && !ctrlc(); sect++)
+ {
+ printf("Erasing sector %2d ... ", sect);
+
+ /* arm simple, non interrupt dependent timer */
+ reset_timer_masked();
+
+ if (info->protect[sect] == 0)
+ { /* not protected */
+ vu_short *addr = (vu_short *)(info->start[sect]);
+
+ 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 */
+ chip = 0;
+
+ do
+ {
+ result = *addr;
+
+ /* check timeout */
+ if (get_timer_masked() > CFG_FLASH_ERASE_TOUT)
+ {
+ MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
+ chip = TMO;
+ break;
+ }
+
+ if (!chip && (result & 0xFFFF) & BIT_ERASE_DONE)
+ chip = READY;
+
+ if (!chip && (result & 0xFFFF) & BIT_PROGRAM_ERROR)
+ chip = ERR;
+
+ } while (!chip);
+
+ MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
+
+ if (chip == ERR)
+ {
+ rc = ERR_PROG_ERROR;
+ goto outahere;
+ }
+ if (chip == TMO)
+ {
+ rc = ERR_TIMOUT;
+ goto outahere;
+ }
+
+ printf("ok.\n");
+ }
+ else /* it was protected */
+ {
+ printf("protected!\n");
+ }
+ }
+
+ if (ctrlc())
+ printf("User Interrupt!\n");
+
+outahere:
+ /* allow flash to settle - wait 10 ms */
+ udelay_masked(10000);
+
+ if (iflag)
+ enable_interrupts();
+
+ if (cflag)
+ icache_enable();
+
+ return rc;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash
+ */
+
+volatile static int write_hword (flash_info_t *info, ulong dest, ushort data)
+{
+ vu_short *addr = (vu_short *)dest;
+ ushort result;
+ int rc = ERR_OK;
+ int cflag, iflag;
+ int chip;
+
+ /*
+ * Check if Flash is (sufficiently) erased
+ */
+ 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 */
+ reset_timer_masked();
+
+ /* wait until flash is ready */
+ chip = 0;
+ do
+ {
+ result = *addr;
+
+ /* check timeout */
+ if (get_timer_masked() > CFG_FLASH_ERASE_TOUT)
+ {
+ chip = ERR | TMO;
+ break;
+ }
+ if (!chip && ((result & 0x80) == (data & 0x80)))
+ chip = READY;
+
+ if (!chip && ((result & 0xFFFF) & BIT_PROGRAM_ERROR))
+ {
+ result = *addr;
+
+ if ((result & 0x80) == (data & 0x80))
+ chip = READY;
+ else
+ chip = ERR;
+ }
+
+ } while (!chip);
+
+ *addr = CMD_READ_ARRAY;
+
+ if (chip == ERR || *addr != data)
+ rc = ERR_PROG_ERROR;
+
+ if (iflag)
+ enable_interrupts();
+
+ if (cflag)
+ icache_enable();
+
+ return rc;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash.
+ */
+
+int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
+{
+ ulong cp, wp;
+ int l;
+ int i, rc;
+ ushort data;
+
+ wp = (addr & ~1); /* get lower word aligned address */
+
+ /*
+ * handle unaligned start bytes
+ */
+ if ((l = addr - wp) != 0) {
+ data = 0;
+ for (i=0, cp=wp; i<l; ++i, ++cp) {
+ data = (data >> 8) | (*(uchar *)cp << 8);
+ }
+ for (; i<2 && cnt>0; ++i) {
+ data = (data >> 8) | (*src++ << 8);
+ --cnt;
+ ++cp;
+ }
+ for (; cnt==0 && i<2; ++i, ++cp) {
+ data = (data >> 8) | (*(uchar *)cp << 8);
+ }
+
+ if ((rc = write_hword(info, wp, data)) != 0) {
+ return (rc);
+ }
+ wp += 2;
+ }
+
+ /*
+ * handle word aligned part
+ */
+ while (cnt >= 2) {
+ data = *((vu_short*)src);
+ if ((rc = write_hword(info, wp, data)) != 0) {
+ return (rc);
+ }
+ src += 2;
+ wp += 2;
+ cnt -= 2;
+ }
+
+ if (cnt == 0) {
+ return ERR_OK;
+ }
+
+ /*
+ * handle unaligned tail bytes
+ */
+ data = 0;
+ for (i=0, cp=wp; i<2 && cnt>0; ++i, ++cp) {
+ data = (data >> 8) | (*src++ << 8);
+ --cnt;
+ }
+ for (; i<2; ++i, ++cp) {
+ data = (data >> 8) | (*(uchar *)cp << 8);
+ }
+
+ return write_hword(info, wp, data);
+}
diff --git a/board/mpl/vcma9/memsetup.S b/board/mpl/vcma9/memsetup.S
new file mode 100644
index 0000000..80721cd
--- /dev/null
+++ b/board/mpl/vcma9/memsetup.S
@@ -0,0 +1,160 @@
+/*
+ * Memory Setup stuff - taken from blob memsetup.S
+ *
+ * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) and
+ * Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl)
+ *
+ * Modified for the Samsung SMDK2410 by
+ * (C) Copyright 2002
+ * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
+ *
+ * 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 <config.h>
+#include <version.h>
+
+
+/* some parameters for the board */
+
+#define BWSCON 0x48000000
+
+/* BWSCON */
+#define DW8 (0x0)
+#define DW16 (0x1)
+#define DW32 (0x2)
+#define WAIT (0x1<<2)
+#define UBLB (0x1<<3)
+
+#define B1_BWSCON (DW16)
+#define B2_BWSCON (DW32)
+#define B3_BWSCON (DW32)
+#define B4_BWSCON (DW16 + WAIT + UBLB)
+#define B5_BWSCON (DW8 + UBLB)
+#define B6_BWSCON (DW32)
+#define B7_BWSCON (DW32)
+
+/* BANK0CON */
+#define B0_Tacs 0x0 /* 0clk */
+#define B0_Tcos 0x0 /* 0clk */
+#define B0_Tacc 0x5 /* 8clk */
+#define B0_Tcoh 0x0 /* 0clk */
+#define B0_Tah 0x0 /* 0clk */
+#define B0_Tacp 0x0 /* page mode is not used */
+#define B0_PMC 0x0 /* page mode disabled */
+
+/* BANK1CON */
+#define B1_Tacs 0x0 /* 0clk */
+#define B1_Tcos 0x0 /* 0clk */
+#define B1_Tacc 0x5 /* 8clk */
+#define B1_Tcoh 0x0 /* 0clk */
+#define B1_Tah 0x0 /* 0clk */
+#define B1_Tacp 0x0 /* page mode is not used */
+#define B1_PMC 0x0 /* page mode disabled */
+
+#define B2_Tacs 0x3 /* 4clk */
+#define B2_Tcos 0x3 /* 4clk */
+#define B2_Tacc 0x7 /* 14clk */
+#define B2_Tcoh 0x3 /* 4clk */
+#define B2_Tah 0x3 /* 4clk */
+#define B2_Tacp 0x0 /* page mode is not used */
+#define B2_PMC 0x0 /* page mode disabled */
+
+#define B3_Tacs 0x3 /* 4clk */
+#define B3_Tcos 0x3 /* 4clk */
+#define B3_Tacc 0x7 /* 14clk */
+#define B3_Tcoh 0x3 /* 4clk */
+#define B3_Tah 0x3 /* 4clk */
+#define B3_Tacp 0x0 /* page mode is not used */
+#define B3_PMC 0x0 /* page mode disabled */
+
+#define B4_Tacs 0x3 /* 4clk */
+#define B4_Tcos 0x1 /* 1clk */
+#define B4_Tacc 0x7 /* 14clk */
+#define B4_Tcoh 0x1 /* 1clk */
+#define B4_Tah 0x0 /* 0clk */
+#define B4_Tacp 0x0 /* page mode is not used */
+#define B4_PMC 0x0 /* page mode disabled */
+
+#define B5_Tacs 0x0 /* 0clk */
+#define B5_Tcos 0x3 /* 4clk */
+#define B5_Tacc 0x5 /* 8clk */
+#define B5_Tcoh 0x2 /* 2clk */
+#define B5_Tah 0x1 /* 1clk */
+#define B5_Tacp 0x0 /* page mode is not used */
+#define B5_PMC 0x0 /* page mode disabled */
+
+#define B6_MT 0x3 /* SDRAM */
+#define B6_Trcd 0x1 /* 3clk */
+#define B6_SCAN 0x2 /* 10bit */
+
+#define B7_MT 0x3 /* SDRAM */
+#define B7_Trcd 0x1 /* 3clk */
+#define B7_SCAN 0x2 /* 10bit */
+
+/* REFRESH parameter */
+#define REFEN 0x1 /* Refresh enable */
+#define TREFMD 0x0 /* CBR(CAS before RAS)/Auto refresh */
+#define Trp 0x0 /* 2clk */
+#define Trc 0x3 /* 7clk */
+#define Tchr 0x2 /* 3clk */
+#define REFCNT 1113 /* period=15.6us, HCLK=60Mhz, (2048+1-15.6*60) */
+/**************************************/
+
+_TEXT_BASE:
+ .word TEXT_BASE
+
+.globl memsetup
+memsetup:
+ /* memory control configuration */
+ /* make r0 relative the current location so that it */
+ /* reads SMRDATA out of FLASH rather than memory ! */
+ ldr r0, =SMRDATA
+ ldr r1, _TEXT_BASE
+ sub r0, r0, r1
+ ldr r1, =BWSCON /* Bus Width Status Controller */
+ add r2, r0, #13*4
+0:
+ ldr r3, [r0], #4
+ str r3, [r1], #4
+ cmp r2, r0
+ bne 0b
+
+ /* everything is fine now */
+ mov pc, lr
+
+ .ltorg
+/* the literal pools origin */
+
+SMRDATA:
+ .word (0+(B1_BWSCON<<4)+(B2_BWSCON<<8)+(B3_BWSCON<<12)+(B4_BWSCON<<16)+(B5_BWSCON<<20)+(B6_BWSCON<<24)+(B7_BWSCON<<28))
+ .word ((B0_Tacs<<13)+(B0_Tcos<<11)+(B0_Tacc<<8)+(B0_Tcoh<<6)+(B0_Tah<<4)+(B0_Tacp<<2)+(B0_PMC))
+ .word ((B1_Tacs<<13)+(B1_Tcos<<11)+(B1_Tacc<<8)+(B1_Tcoh<<6)+(B1_Tah<<4)+(B1_Tacp<<2)+(B1_PMC))
+ .word ((B2_Tacs<<13)+(B2_Tcos<<11)+(B2_Tacc<<8)+(B2_Tcoh<<6)+(B2_Tah<<4)+(B2_Tacp<<2)+(B2_PMC))
+ .word ((B3_Tacs<<13)+(B3_Tcos<<11)+(B3_Tacc<<8)+(B3_Tcoh<<6)+(B3_Tah<<4)+(B3_Tacp<<2)+(B3_PMC))
+ .word ((B4_Tacs<<13)+(B4_Tcos<<11)+(B4_Tacc<<8)+(B4_Tcoh<<6)+(B4_Tah<<4)+(B4_Tacp<<2)+(B4_PMC))
+ .word ((B5_Tacs<<13)+(B5_Tcos<<11)+(B5_Tacc<<8)+(B5_Tcoh<<6)+(B5_Tah<<4)+(B5_Tacp<<2)+(B5_PMC))
+ .word ((B6_MT<<15)+(B6_Trcd<<2)+(B6_SCAN))
+ .word ((B7_MT<<15)+(B7_Trcd<<2)+(B7_SCAN))
+ .word ((REFEN<<23)+(TREFMD<<22)+(Trp<<20)+(Trc<<18)+(Tchr<<16)+REFCNT)
+ .word 0x32
+ .word 0x30
+ .word 0x30
diff --git a/board/mpl/vcma9/u-boot.lds b/board/mpl/vcma9/u-boot.lds
new file mode 100644
index 0000000..8c9c218
--- /dev/null
+++ b/board/mpl/vcma9/u-boot.lds
@@ -0,0 +1,54 @@
+/*
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj@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_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+/*OUTPUT_FORMAT("elf32-arm", "elf32-arm", "elf32-arm")*/
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+ . = 0x00000000;
+
+ . = ALIGN(4);
+ .text :
+ {
+ cpu/arm920t/start.o (.text)
+ *(.text)
+ }
+
+ . = ALIGN(4);
+ .rodata : { *(.rodata) }
+
+ . = ALIGN(4);
+ .data : { *(.data) }
+
+ . = ALIGN(4);
+ .got : { *(.got) }
+
+ armboot_end_data = .;
+
+ . = ALIGN(4);
+ .bss : { *(.bss) }
+
+ armboot_end = .;
+}
diff --git a/board/mpl/vcma9/vcma9.c b/board/mpl/vcma9/vcma9.c
new file mode 100644
index 0000000..8e3552e
--- /dev/null
+++ b/board/mpl/vcma9/vcma9.c
@@ -0,0 +1,248 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
+ *
+ * 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 <s3c2410.h>
+#include <i2c.h>
+
+#include "vcma9.h"
+#include "../common/common_util.h"
+
+/* ------------------------------------------------------------------------- */
+
+#define FCLK_SPEED 1
+
+#if FCLK_SPEED==0 /* Fout = 203MHz, Fin = 12MHz for Audio */
+#define M_MDIV 0xC3
+#define M_PDIV 0x4
+#define M_SDIV 0x1
+#elif FCLK_SPEED==1 /* Fout = 202.8MHz */
+#define M_MDIV 0xA1
+#define M_PDIV 0x3
+#define M_SDIV 0x1
+#endif
+
+#define USB_CLOCK 1
+
+#if USB_CLOCK==0
+#define U_M_MDIV 0xA1
+#define U_M_PDIV 0x3
+#define U_M_SDIV 0x1
+#elif USB_CLOCK==1
+#define U_M_MDIV 0x48
+#define U_M_PDIV 0x3
+#define U_M_SDIV 0x2
+#endif
+
+static inline void delay(unsigned long loops)
+{
+ __asm__ volatile ("1:\n"
+ "subs %0, %1, #1\n"
+ "bne 1b":"=r" (loops):"0" (loops));
+}
+
+/*
+ * Miscellaneous platform dependent initialisations
+ */
+
+int board_init(void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ /* to reduce PLL lock time, adjust the LOCKTIME register */
+ rLOCKTIME = 0xFFFFFF;
+
+ /* configure MPLL */
+ rMPLLCON = ((M_MDIV << 12) + (M_PDIV << 4) + M_SDIV);
+
+ /* some delay between MPLL and UPLL */
+ delay (4000);
+
+ /* configure UPLL */
+ rUPLLCON = ((U_M_MDIV << 12) + (U_M_PDIV << 4) + U_M_SDIV);
+
+ /* some delay between MPLL and UPLL */
+ delay (8000);
+
+ /* set up the I/O ports */
+ rGPACON = 0x007FFFFF;
+ rGPBCON = 0x002AAAAA;
+ rGPBUP = 0x000002BF;
+ rGPCCON = 0xAAAAAAAA;
+ rGPCUP = 0x0000FFFF;
+ rGPDCON = 0xAAAAAAAA;
+ rGPDUP = 0x0000FFFF;
+ rGPECON = 0xAAAAAAAA;
+ rGPEUP = 0x000037F7;
+ rGPFCON = 0x00000000;
+ rGPFUP = 0x00000000;
+ rGPGCON = 0xFFEAFF5A;
+ rGPGUP = 0x0000F0DC;
+ rGPHCON = 0x0028AAAA;
+ rGPHUP = 0x00000656;
+
+ /* setup correct IRQ modes for NIC */
+ rEXTINT2 = (rEXTINT2 & ~(7<<8)) | (4<<8); /* rising edge mode */
+
+ /* init serial */
+ gd->baudrate = CONFIG_BAUDRATE;
+ gd->have_console = 1;
+ serial_init();
+
+ /* arch number of VCMA9-Board */
+ gd->bd->bi_arch_number = 227;
+
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = 0x30000100;
+
+ icache_enable();
+ dcache_enable();
+
+ return 0;
+}
+
+int dram_init(void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+ return 0;
+}
+
+/*
+ * Get some Board/PLD Info
+ */
+
+static uchar Get_PLD_ID(void)
+{
+ return(*(volatile uchar *)PLD_ID_REG);
+}
+
+static uchar Get_PLD_BOARD(void)
+{
+ return(*(volatile uchar *)PLD_BOARD_REG);
+}
+
+static uchar Get_PLD_Version(void)
+{
+ return((Get_PLD_ID() >> 4) & 0x0F);
+}
+
+static uchar Get_PLD_Revision(void)
+{
+ return(Get_PLD_ID() & 0x0F);
+}
+
+static int Get_Board_Config(void)
+{
+ uchar config = Get_PLD_BOARD() & 0x03;
+
+ if (config == 3)
+ return 1;
+ else
+ return 0;
+}
+
+static uchar Get_Board_PCB(void)
+{
+ return(((Get_PLD_BOARD() >> 4) & 0x03) + 'A');
+}
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Check Board Identity:
+ */
+
+int checkboard(void)
+{
+ unsigned char s[50];
+ unsigned char bc, var, rc;
+ int i;
+ backup_t *b = (backup_t *) s;
+
+ puts("Board: ");
+
+ i = getenv_r("serial#", s, 32);
+ if ((i < 0) || strncmp (s, "VCMA9", 5)) {
+ get_backup_values (b);
+ if (strncmp (b->signature, "MPL\0", 4) != 0) {
+ puts ("### No HW ID - assuming VCMA9");
+ } else {
+ b->serial_name[5] = 0;
+ printf ("%s-%d Rev %c SN: %s", b->serial_name, Get_Board_Config(),
+ Get_Board_PCB(), &b->serial_name[6]);
+ }
+ } else {
+ s[5] = 0;
+ printf ("%s-%d Rev %c SN: %s", s, Get_Board_Config(), Get_Board_PCB(),
+ &s[6]);
+ }
+ printf("\n");
+ return(0);
+}
+
+
+
+void print_vcma9_rev(void)
+{
+ printf("Board: VCMA9-%d Rev: %c (PLD Ver: %d, Rev: %d)\n",
+ Get_Board_Config(), Get_Board_PCB(),
+ Get_PLD_Version(), Get_PLD_Revision());
+}
+
+
+int last_stage_init(void)
+{
+ print_vcma9_rev();
+ show_stdio_dev();
+ check_env();
+ return 0;
+}
+
+/***************************************************************************
+ * some helping routines
+ */
+
+int overwrite_console(void)
+{
+ /* return TRUE if console should be overwritten */
+ return 0;
+}
+
+
+/************************************************************************
+* Print VCMA9 Info
+************************************************************************/
+void print_vcma9_info(void)
+{
+ print_vcma9_rev();
+}
+
+
diff --git a/board/mpl/vcma9/vcma9.h b/board/mpl/vcma9/vcma9.h
new file mode 100644
index 0000000..bc0e3a4
--- /dev/null
+++ b/board/mpl/vcma9/vcma9.h
@@ -0,0 +1,43 @@
+/*
+ * (C) Copyright 2002
+ * David Mueller, ELSOFT AG, d.mueller@elsoft.ch
+ *
+ * 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
+ *
+ */
+ /****************************************************************************
+ * Global routines used for VCMA9
+ *****************************************************************************/
+
+
+extern int mem_test(unsigned long start, unsigned long ramsize,int mode);
+
+void print_vcma9_info(void);
+
+
+#define PLD_BASE_ADDRESS 0x2C000100
+#define PLD_ID_REG (PLD_BASE_ADDRESS + 0)
+#define PLD_NIC_REG (PLD_BASE_ADDRESS + 1)
+#define PLD_CAN_REG (PLD_BASE_ADDRESS + 2)
+#define PLD_MISC_REG (PLD_BASE_ADDRESS + 3)
+#define PLD_GPCD_REG (PLD_BASE_ADDRESS + 4)
+#define PLD_BOARD_REG (PLD_BASE_ADDRESS + 5)
+
+
+
diff --git a/board/trab/flash.c b/board/trab/flash.c
index a4f164b..d86c4bf 100644
--- a/board/trab/flash.c
+++ b/board/trab/flash.c
@@ -124,11 +124,10 @@
switch (info->flash_id & FLASH_VENDMASK) {
case (FLASH_MAN_AMD & FLASH_VENDMASK):
- printf ("AMD: ");
- break;
- default:
- printf ("Unknown Vendor ");
- break;
+ printf ("AMD "); break;
+ case (FLASH_MAN_FUJ & FLASH_VENDMASK):
+ printf ("FUJITSU "); break;
+ default: printf ("Unknown Vendor "); break;
}
switch (info->flash_id & FLASH_TYPEMASK) {
@@ -477,7 +476,9 @@
case AMD_MANUFACT:
info->flash_id = FLASH_MAN_AMD;
break;
-
+ case FUJ_MANUFACT:
+ info->flash_id = FLASH_MAN_FUJ;
+ break;
default:
info->flash_id = FLASH_UNKNOWN;
info->sector_count = 0;
diff --git a/board/trab/trab.c b/board/trab/trab.c
index 111c861..e3e8553 100644
--- a/board/trab/trab.c
+++ b/board/trab/trab.c
@@ -30,6 +30,13 @@
/* ------------------------------------------------------------------------- */
+#ifdef CFG_BRIGHTNESS
+static void spi_init(void);
+static void wait_transmit_done(void);
+static void tsc2000_write(unsigned int page, unsigned int reg,
+ unsigned int data);
+static void tsc2000_set_brightness(void);
+#endif
#ifdef CONFIG_MODEM_SUPPORT
static int key_pressed(void);
extern void disable_putc(void);
@@ -104,6 +111,10 @@
/* adress of boot parameters */
gd->bd->bi_boot_params = 0x0c000100;
+ /* Make sure both buzzers are turned off */
+ rPDCON |= 0x5400;
+ rPDDAT &= ~0xE0;
+
#ifdef CONFIG_VFD
vfd_init_clocks();
#endif /* CONFIG_VFD */
@@ -164,6 +175,9 @@
free (str);
}
+#ifdef CFG_BRIGHTNESS
+ tsc2000_set_brightness();
+#endif
return (0);
}
@@ -288,3 +302,74 @@
return (compare_magic(KBD_DATA, CONFIG_MODEM_KEY_MAGIC) == 0);
}
#endif /* CONFIG_MODEM_SUPPORT */
+
+#ifdef CFG_BRIGHTNESS
+
+#define SET_CS_TOUCH (rPDDAT &= 0x5FF)
+#define CLR_CS_TOUCH (rPDDAT |= 0x200)
+
+static void spi_init(void)
+{
+ int i;
+
+ /* Configure I/O ports. */
+ rPDCON = (rPDCON & 0xF3FFFF) | 0x040000;
+ rPGCON = (rPGCON & 0x0F3FFF) | 0x008000;
+ rPGCON = (rPGCON & 0x0CFFFF) | 0x020000;
+ rPGCON = (rPGCON & 0x03FFFF) | 0x080000;
+
+ CLR_CS_TOUCH;
+
+ rSPPRE = 0x1F; /* Baudrate ca. 514kHz */
+ rSPPIN = 0x01; /* SPI-MOSI holds Level after last bit */
+ rSPCON = 0x1A; /* Polling, Prescaler, Master, CPOL=0, CPHA=1 */
+
+ /* Dummy byte ensures clock to be low. */
+ for (i = 0; i < 10; i++) {
+ rSPTDAT = 0xFF;
+ }
+}
+
+static void wait_transmit_done(void)
+{
+ while (!(rSPSTA & 0x01)); /* wait until transfer is done */
+}
+
+static void tsc2000_write(unsigned int page, unsigned int reg,
+ unsigned int data)
+{
+ unsigned int command;
+
+ SET_CS_TOUCH;
+ command = 0x0000;
+ command |= (page << 11);
+ command |= (reg << 5);
+
+ rSPTDAT = (command & 0xFF00) >> 8;
+ wait_transmit_done();
+ rSPTDAT = (command & 0x00FF);
+ wait_transmit_done();
+ rSPTDAT = (data & 0xFF00) >> 8;
+ wait_transmit_done();
+ rSPTDAT = (data & 0x00FF);
+ wait_transmit_done();
+
+ CLR_CS_TOUCH;
+}
+
+static void tsc2000_set_brightness(void)
+{
+ uchar tmp[10];
+ int i, br;
+
+ spi_init();
+ tsc2000_write(1, 2, 0x0); /* Power up DAC */
+
+ i = getenv_r("brightness", tmp, sizeof(tmp));
+ br = (i > 0)
+ ? (int) simple_strtoul (tmp, NULL, 10)
+ : CFG_BRIGHTNESS;
+
+ tsc2000_write(0, 0xb, br & 0xff);
+}
+#endif
diff --git a/board/trab/vfd.c b/board/trab/vfd.c
index fa1194c..5e601ef 100644
--- a/board/trab/vfd.c
+++ b/board/trab/vfd.c
@@ -55,7 +55,6 @@
#define BLAU 0x0C
#define VIOLETT 0X0D
-ulong vfdbase;
ulong frame_buf_size;
#define frame_buf_offs 4
@@ -86,7 +85,7 @@
else
val = ~0;
- for (adr = vfdbase; adr <= (vfdbase+7168); adr += 4) {
+ for (adr = gd->fb_base; adr <= (gd->fb_base+7168); adr += 4) {
(*(volatile ulong*)(adr)) = val;
}
@@ -100,7 +99,7 @@
/* wrap arround if offset (see manual S3C2400) */
if (bit>=frame_buf_size*8)
bit = bit - (frame_buf_size * 8);
- adr = vfdbase + (bit/32) * 4 + (3 - (bit%32) / 8);
+ adr = gd->fb_base + (bit/32) * 4 + (3 - (bit%32) / 8);
bit_nr = bit % 8;
bit_nr = (bit_nr > 3) ? bit_nr-4 : bit_nr+4;
temp=(*(volatile unsigned char*)(adr));
@@ -117,7 +116,7 @@
/* wrap arround if offset (see manual S3C2400) */
if (bit>=frame_buf_size*8)
bit = bit-(frame_buf_size*8);
- adr = vfdbase+(bit/32)*4+(3-(bit%32)/8);
+ adr = gd->fb_base+(bit/32)*4+(3-(bit%32)/8);
bit_nr = bit%8;
bit_nr = (bit_nr>3)?bit_nr-4:bit_nr+4;
temp=(*(volatile unsigned char*)(adr));
@@ -138,7 +137,7 @@
/* wrap arround if offset (see manual S3C2400) */
if (bit>=frame_buf_size*8)
bit = bit - (frame_buf_size * 8);
- adr = vfdbase + (bit/32) * 4 + (3 - (bit%32) / 8);
+ adr = gd->fb_base + (bit/32) * 4 + (3 - (bit%32) / 8);
bit_nr = bit % 8;
bit_nr = (bit_nr > 3) ? bit_nr-4 : bit_nr+4;
temp=(*(volatile unsigned char*)(adr));
@@ -154,7 +153,7 @@
/* wrap arround if offset (see manual S3C2400) */
if (bit>=frame_buf_size*8)
bit = bit-(frame_buf_size*8);
- adr = vfdbase+(bit/32)*4+(3-(bit%32)/8);
+ adr = gd->fb_base+(bit/32)*4+(3-(bit%32)/8);
bit_nr = bit%8;
bit_nr = (bit_nr>3)?bit_nr-4:bit_nr+4;
temp=(*(volatile unsigned char*)(adr));
@@ -254,7 +253,7 @@
for(color=0;color<2;color++) {
for(display=0;display<4;display++) {
for(entry=0;entry<2;entry++) {
- unsigned long adr = vfdbase;
+ unsigned long adr = gd->fb_base;
unsigned int bit_nr = 0;
if (vfd_table[x][y][color][display][entry]) {
@@ -266,7 +265,7 @@
*/
if (pixel>=frame_buf_size*8)
pixel = pixel-(frame_buf_size*8);
- adr = vfdbase+(pixel/32)*4+(3-(pixel%32)/8);
+ adr = gd->fb_base+(pixel/32)*4+(3-(pixel%32)/8);
bit_nr = pixel%8;
bit_nr = (bit_nr>3)?bit_nr-4:bit_nr+4;
}
@@ -375,7 +374,7 @@
rPCCON = (rPCCON & 0xFFFFFF00)| 0x000000AA;
/* Port-Pins als LCD-Ausgang */
rPDCON = (rPDCON & 0xFFFFFF03)| 0x000000A8;
-#ifdef WITH_VFRAME
+#ifdef CFG_WITH_VFRAME
/* mit VFRAME zum Messen */
rPDCON = (rPDCON & 0xFFFFFF00)| 0x000000AA;
#endif
@@ -385,10 +384,18 @@
rLCDCON4 = 0x00000001;
rLCDCON5 = 0x00000440;
rLCDCON1 = 0x00000B75;
+
+ return 0;
}
/*
* initialize LCD-Controller of the S3C2400 for using VFDs
+ *
+ * VFD detection depends on the board revision:
+ * starting from Rev. 200 a type code can be read from the data pins,
+ * driven by some pull-up resistors; all earlier systems must be
+ * manually configured. The type is set in the "vfd_type" environment
+ * variable.
*/
int drv_vfd_init(void)
{
@@ -406,21 +413,15 @@
/* try to determine display type from the value
* defined by pull-ups
*/
- rPCUP = (rPCUP | 0x000F); /* activate GPC0...GPC3 pullups */
+ rPCUP = (rPCUP & 0xFFF0); /* activate GPC0...GPC3 pullups */
rPCCON = (rPCCON & 0xFFFFFF00); /* configure GPC0...GPC3 as inputs */
+ udelay(10); /* allow signals to settle */
vfd_id = (~rPCDAT) & 0x000F; /* read GPC0...GPC3 port pins */
debug("Detecting Revison of WA4-VFD: ID=0x%X\n", vfd_id);
switch (vfd_id) {
- case 0: /* board revision <= Rev.100 */
-/*-----*/
- gd->vfd_inv_data = 0;
- if (0)
- gd->vfd_type = VFD_TYPE_MN11236;
- else
- gd->vfd_type = VFD_TYPE_T119C;
-/*-----*/
+ case 0: /* board revision < Rev.200 */
if ((tmp = getenv ("vfd_type")) == NULL) {
break;
}
@@ -435,7 +436,7 @@
gd->vfd_inv_data = 0;
break;
- default: /* default to MN11236, data inverted */
+ default: /* default to MN11236, data inverted */
gd->vfd_type = VFD_TYPE_MN11236;
gd->vfd_inv_data = 1;
setenv ("vfd_type", "MN11236");
@@ -446,7 +447,7 @@
"unknown",
gd->vfd_inv_data ? ", inverted data" : "");
- vfdbase = gd->fb_base;
+ gd->fb_base = gd->fb_base;
create_vfd_table();
init_grid_ctrl();
@@ -463,9 +464,9 @@
* see manual S3C2400
*/
/* frame buffer startadr */
- rLCDSADDR1 = vfdbase >> 1;
+ rLCDSADDR1 = gd->fb_base >> 1;
/* frame buffer endadr */
- rLCDSADDR2 = (vfdbase + frame_buf_size) >> 1;
+ rLCDSADDR2 = (gd->fb_base + frame_buf_size) >> 1;
rLCDSADDR3 = ((256/4));
debug ("LCDSADDR1: %lX\n", rLCDSADDR1);