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-rw-r--r--board/ppmc7xx/Makefile47
-rw-r--r--board/ppmc7xx/config.mk28
-rw-r--r--board/ppmc7xx/flash.c494
-rw-r--r--board/ppmc7xx/init.S336
-rw-r--r--board/ppmc7xx/pci.c97
-rw-r--r--board/ppmc7xx/ppmc7xx.c104
-rw-r--r--board/ppmc7xx/u-boot.lds135
7 files changed, 1241 insertions, 0 deletions
diff --git a/board/ppmc7xx/Makefile b/board/ppmc7xx/Makefile
new file mode 100644
index 0000000..c378677
--- /dev/null
+++ b/board/ppmc7xx/Makefile
@@ -0,0 +1,47 @@
+#
+# (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
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = lib$(BOARD).a
+
+OBJS := ppmc7xx.o pci.o flash.o
+SOBJS := init.o
+
+$(LIB): .depend $(OBJS) $(SOBJS)
+ $(AR) crv $@ $(OBJS) $(SOBJS)
+
+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) > $@
+
+-include .depend
+
+#########################################################################
diff --git a/board/ppmc7xx/config.mk b/board/ppmc7xx/config.mk
new file mode 100644
index 0000000..b5b46dc
--- /dev/null
+++ b/board/ppmc7xx/config.mk
@@ -0,0 +1,28 @@
+#
+# (C) Copyright 2005
+# Richard Danter, Wind River Systems
+#
+# (C) Copyright 2000
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+
+TEXT_BASE = 0xFFF00000
+TEXT_END = 0xFFF40000
+PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE)
diff --git a/board/ppmc7xx/flash.c b/board/ppmc7xx/flash.c
new file mode 100644
index 0000000..4be6f13
--- /dev/null
+++ b/board/ppmc7xx/flash.c
@@ -0,0 +1,494 @@
+/*
+ * flash.c
+ * -------
+ *
+ * Flash programming routines for the Wind River PPMC 74xx/7xx
+ * based on flash.c from the TQM8260 board.
+ *
+ * By Richard Danter (richard.danter@windriver.com)
+ * Copyright (C) 2005 Wind River Systems
+ */
+
+#include <common.h>
+#include <asm/processor.h>
+#include <74xx_7xx.h>
+
+#define DWORD unsigned long long
+
+/* Local function prototypes */
+static int write_dword (flash_info_t* info, ulong dest, unsigned char *pdata);
+static void write_via_fpu (volatile DWORD* addr, DWORD* data);
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
+
+/*-----------------------------------------------------------------------
+ */
+void flash_reset (void)
+{
+ unsigned long msr;
+ DWORD cmd_reset = 0x00F000F000F000F0LL;
+
+ if (flash_info[0].flash_id != FLASH_UNKNOWN) {
+ msr = get_msr ();
+ set_msr (msr | MSR_FP);
+
+ write_via_fpu ((DWORD*)flash_info[0].start[0], &cmd_reset );
+
+ set_msr (msr);
+ }
+}
+
+/*-----------------------------------------------------------------------
+ */
+ulong flash_get_size (ulong baseaddr, flash_info_t * info)
+{
+ int i;
+ unsigned long msr;
+ DWORD flashtest;
+ DWORD cmd_select[3] = { 0x00AA00AA00AA00AALL, 0x0055005500550055LL,
+ 0x0090009000900090LL };
+
+ /* Enable FPU */
+ msr = get_msr ();
+ set_msr (msr | MSR_FP);
+
+ /* Write auto-select command sequence */
+ write_via_fpu ((DWORD*)(baseaddr + (0x0555 << 3)), &cmd_select[0] );
+ write_via_fpu ((DWORD*)(baseaddr + (0x02AA << 3)), &cmd_select[1] );
+ write_via_fpu ((DWORD*)(baseaddr + (0x0555 << 3)), &cmd_select[2] );
+
+ /* Restore FPU */
+ set_msr (msr);
+
+ /* Read manufacturer ID */
+ flashtest = *(volatile DWORD*)baseaddr;
+ switch ((int)flashtest) {
+ case AMD_MANUFACT:
+ info->flash_id = FLASH_MAN_AMD;
+ break;
+ case FUJ_MANUFACT:
+ info->flash_id = FLASH_MAN_FUJ;
+ break;
+ default:
+ /* No, faulty or unknown flash */
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+ return (0);
+ }
+
+ /* Read device ID */
+ flashtest = *(volatile DWORD*)(baseaddr + 8);
+ switch ((long)flashtest) {
+ case AMD_ID_LV800T:
+ info->flash_id += FLASH_AM800T;
+ info->sector_count = 19;
+ info->size = 0x00400000;
+ break;
+ case AMD_ID_LV800B:
+ info->flash_id += FLASH_AM800B;
+ info->sector_count = 19;
+ info->size = 0x00400000;
+ break;
+ case AMD_ID_LV160T:
+ info->flash_id += FLASH_AM160T;
+ info->sector_count = 35;
+ info->size = 0x00800000;
+ break;
+ case AMD_ID_LV160B:
+ info->flash_id += FLASH_AM160B;
+ info->sector_count = 35;
+ info->size = 0x00800000;
+ break;
+ case AMD_ID_DL322T:
+ info->flash_id += FLASH_AMDL322T;
+ info->sector_count = 71;
+ info->size = 0x01000000;
+ break;
+ case AMD_ID_DL322B:
+ info->flash_id += FLASH_AMDL322B;
+ info->sector_count = 71;
+ info->size = 0x01000000;
+ break;
+ case AMD_ID_DL323T:
+ info->flash_id += FLASH_AMDL323T;
+ info->sector_count = 71;
+ info->size = 0x01000000;
+ break;
+ case AMD_ID_DL323B:
+ info->flash_id += FLASH_AMDL323B;
+ info->sector_count = 71;
+ info->size = 0x01000000;
+ break;
+ case AMD_ID_LV640U:
+ info->flash_id += FLASH_AM640U;
+ info->sector_count = 128;
+ info->size = 0x02000000;
+ break;
+ default:
+ /* Unknown flash type */
+ info->flash_id = FLASH_UNKNOWN;
+ return (0);
+ }
+
+ if ((long)flashtest == AMD_ID_LV640U) {
+ /* set up sector start adress table (uniform sector type) */
+ for (i = 0; i < info->sector_count; i++)
+ info->start[i] = baseaddr + (i * 0x00040000);
+ } else if (info->flash_id & FLASH_BTYPE) {
+ /* set up sector start adress table (bottom sector type) */
+ info->start[0] = baseaddr + 0x00000000;
+ info->start[1] = baseaddr + 0x00010000;
+ info->start[2] = baseaddr + 0x00018000;
+ info->start[3] = baseaddr + 0x00020000;
+ for (i = 4; i < info->sector_count; i++) {
+ info->start[i] = baseaddr + (i * 0x00040000) - 0x000C0000;
+ }
+ } else {
+ /* set up sector start adress table (top sector type) */
+ i = info->sector_count - 1;
+ info->start[i--] = baseaddr + info->size - 0x00010000;
+ info->start[i--] = baseaddr + info->size - 0x00018000;
+ info->start[i--] = baseaddr + info->size - 0x00020000;
+ for (; i >= 0; i--) {
+ info->start[i] = baseaddr + i * 0x00040000;
+ }
+ }
+
+ /* check for protected sectors */
+ for (i = 0; i < info->sector_count; i++) {
+ /* read sector protection at sector address, (A7 .. A0) = 0x02 */
+ if (*(volatile DWORD*)(info->start[i] + 16) & 0x0001000100010001LL) {
+ info->protect[i] = 1; /* D0 = 1 if protected */
+ } else {
+ info->protect[i] = 0;
+ }
+ }
+
+ flash_reset ();
+ return (info->size);
+}
+
+/*-----------------------------------------------------------------------
+ */
+unsigned long flash_init (void)
+{
+ unsigned long size_b0 = 0;
+ int i;
+
+ /* Init: no FLASHes known */
+ for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) {
+ flash_info[i].flash_id = FLASH_UNKNOWN;
+ }
+
+ /* Static FLASH Bank configuration here (only one bank) */
+ size_b0 = flash_get_size (CFG_FLASH_BASE, &flash_info[0]);
+ if (flash_info[0].flash_id == FLASH_UNKNOWN || size_b0 == 0) {
+ printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
+ size_b0, size_b0 >> 20);
+ }
+
+ /*
+ * protect monitor and environment sectors
+ */
+#if CFG_MONITOR_BASE >= CFG_FLASH_BASE
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_MONITOR_BASE,
+ CFG_MONITOR_BASE + monitor_flash_len - 1, &flash_info[0]);
+#endif
+
+#if (CFG_ENV_IS_IN_FLASH == 1) && defined(CFG_ENV_ADDR)
+# ifndef CFG_ENV_SIZE
+# define CFG_ENV_SIZE CFG_ENV_SECT_SIZE
+# endif
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_ENV_ADDR,
+ CFG_ENV_ADDR + CFG_ENV_SIZE - 1, &flash_info[0]);
+#endif
+
+ return (size_b0);
+}
+
+/*-----------------------------------------------------------------------
+ */
+void flash_print_info (flash_info_t * info)
+{
+ int i;
+
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf ("missing or unknown FLASH type\n");
+ return;
+ }
+
+ switch (info->flash_id & FLASH_VENDMASK) {
+ case FLASH_MAN_AMD:
+ printf ("AMD ");
+ break;
+ case FLASH_MAN_FUJ:
+ printf ("FUJITSU ");
+ break;
+ default:
+ printf ("Unknown Vendor ");
+ break;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case FLASH_AM800T:
+ printf ("29LV800T (8 M, top sector)\n");
+ break;
+ case FLASH_AM800B:
+ printf ("29LV800T (8 M, bottom sector)\n");
+ break;
+ case FLASH_AM160T:
+ printf ("29LV160T (16 M, top sector)\n");
+ break;
+ case FLASH_AM160B:
+ printf ("29LV160B (16 M, bottom sector)\n");
+ break;
+ case FLASH_AMDL322T:
+ printf ("29DL322T (32 M, top sector)\n");
+ break;
+ case FLASH_AMDL322B:
+ printf ("29DL322B (32 M, bottom sector)\n");
+ break;
+ case FLASH_AMDL323T:
+ printf ("29DL323T (32 M, top sector)\n");
+ break;
+ case FLASH_AMDL323B:
+ printf ("29DL323B (32 M, bottom sector)\n");
+ break;
+ case FLASH_AM640U:
+ printf ("29LV640D (64 M, uniform sector)\n");
+ break;
+ default:
+ printf ("Unknown Chip Type\n");
+ break;
+ }
+
+ printf (" Size: %ld MB in %d Sectors\n",
+ info->size >> 20, info->sector_count);
+
+ printf (" Sector Start Addresses:");
+ for (i = 0; i < info->sector_count; ++i) {
+ if ((i % 5) == 0)
+ printf ("\n ");
+ printf (" %08lX%s",
+ info->start[i],
+ info->protect[i] ? " (RO)" : " "
+ );
+ }
+ printf ("\n");
+ return;
+}
+
+/*-----------------------------------------------------------------------
+ */
+int flash_erase (flash_info_t * info, int s_first, int s_last)
+{
+ int flag, prot, sect, l_sect;
+ ulong start, now, last;
+ unsigned long msr;
+ DWORD cmd_erase[6] = { 0x00AA00AA00AA00AALL, 0x0055005500550055LL,
+ 0x0080008000800080LL, 0x00AA00AA00AA00AALL,
+ 0x0055005500550055LL, 0x0030003000300030LL };
+
+ if ((s_first < 0) || (s_first > s_last)) {
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf ("- missing\n");
+ } else {
+ printf ("- no sectors to erase\n");
+ }
+ return 1;
+ }
+
+ prot = 0;
+ for (sect = s_first; sect <= s_last; sect++) {
+ if (info->protect[sect])
+ prot++;
+ }
+
+ if (prot) {
+ printf ("- Warning: %d protected sectors will not be erased!\n",
+ prot);
+ } else {
+ printf ("\n");
+ }
+
+ l_sect = -1;
+
+ /* Enable FPU */
+ msr = get_msr();
+ set_msr ( msr | MSR_FP );
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts ();
+
+ write_via_fpu ((DWORD*)(info->start[0] + (0x0555 << 3)), &cmd_erase[0] );
+ write_via_fpu ((DWORD*)(info->start[0] + (0x02AA << 3)), &cmd_erase[1] );
+ write_via_fpu ((DWORD*)(info->start[0] + (0x0555 << 3)), &cmd_erase[2] );
+ write_via_fpu ((DWORD*)(info->start[0] + (0x0555 << 3)), &cmd_erase[3] );
+ write_via_fpu ((DWORD*)(info->start[0] + (0x02AA << 3)), &cmd_erase[4] );
+ udelay (1000);
+
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect <= s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+ write_via_fpu ((DWORD*)info->start[sect], &cmd_erase[5] );
+ l_sect = sect;
+ }
+ }
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts ();
+
+ /* Restore FPU */
+ set_msr (msr);
+
+ /* wait at least 80us - let's wait 1 ms */
+ udelay (1000);
+
+ /*
+ * We wait for the last triggered sector
+ */
+ if (l_sect < 0)
+ goto DONE;
+
+ start = get_timer (0);
+ last = start;
+ while ((*(volatile DWORD*)info->start[l_sect] & 0x0080008000800080LL )
+ != 0x0080008000800080LL )
+ {
+ if ((now = get_timer (start)) > CFG_FLASH_ERASE_TOUT) {
+ printf ("Timeout\n");
+ return 1;
+ }
+ /* show that we're waiting */
+ if ((now - last) > 1000) { /* every second */
+ serial_putc ('.');
+ last = now;
+ }
+ }
+
+ DONE:
+ /* reset to read mode */
+ flash_reset ();
+
+ printf (" done\n");
+ return 0;
+}
+
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+
+int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+ ulong dp;
+ static unsigned char bb[8];
+ int i, l, rc, cc = cnt;
+
+ dp = (addr & ~7); /* get lower dword aligned address */
+
+ /*
+ * handle unaligned start bytes
+ */
+ if ((l = addr - dp) != 0) {
+ for (i = 0; i < 8; i++)
+ bb[i] = (i < l || (i - l) >= cc) ? *(char*)(dp + i) : *src++;
+ if ((rc = write_dword (info, dp, bb)) != 0) {
+ return (rc);
+ }
+ dp += 8;
+ cc -= 8 - l;
+ }
+
+ /*
+ * handle word aligned part
+ */
+ while (cc >= 8) {
+ if ((rc = write_dword (info, dp, src)) != 0) {
+ return (rc);
+ }
+ dp += 8;
+ src += 8;
+ cc -= 8;
+ }
+
+ if (cc <= 0) {
+ return (0);
+ }
+
+ /*
+ * handle unaligned tail bytes
+ */
+ for (i = 0; i < 8; i++) {
+ bb[i] = (i < cc) ? *src++ : *(char*)(dp + i);
+ }
+ return (write_dword (info, dp, bb));
+}
+
+/*-----------------------------------------------------------------------
+ * Write a dword to Flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_dword (flash_info_t * info, ulong dest, unsigned char *pdata)
+{
+ ulong start;
+ unsigned long msr;
+ int flag, i;
+ DWORD data;
+ DWORD cmd_write[3] = { 0x00AA00AA00AA00AALL, 0x0055005500550055LL,
+ 0x00A000A000A000A0LL };
+
+ for (data = 0, i = 0; i < 8; i++)
+ data = (data << 8) + *pdata++;
+
+ /* Check if Flash is (sufficiently) erased */
+ if ((*(DWORD*)dest & data) != data) {
+ return (2);
+ }
+
+ /* Enable FPU */
+ msr = get_msr();
+ set_msr( msr | MSR_FP );
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts ();
+
+ write_via_fpu ((DWORD*)(info->start[0] + (0x0555 << 3)), &cmd_write[0] );
+ write_via_fpu ((DWORD*)(info->start[0] + (0x02AA << 3)), &cmd_write[1] );
+ write_via_fpu ((DWORD*)(info->start[0] + (0x0555 << 3)), &cmd_write[2] );
+ write_via_fpu ((DWORD*)dest, &data );
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts ();
+
+ /* Restore FPU */
+ set_msr(msr);
+
+ /* data polling for D7 */
+ start = get_timer (0);
+ while (*(volatile DWORD*)dest != data ) {
+ if (get_timer (start) > CFG_FLASH_WRITE_TOUT) {
+ return (1);
+ }
+ }
+ return (0);
+}
+
+/*-----------------------------------------------------------------------
+ */
+static void write_via_fpu (volatile DWORD* addr, DWORD* data)
+{
+ __asm__ __volatile__ ("lfd 1, 0(%0)"::"r" (data));
+ __asm__ __volatile__ ("stfd 1, 0(%0)"::"r" (addr));
+ __asm__ __volatile__ ("eieio");
+}
diff --git a/board/ppmc7xx/init.S b/board/ppmc7xx/init.S
new file mode 100644
index 0000000..99a818a
--- /dev/null
+++ b/board/ppmc7xx/init.S
@@ -0,0 +1,336 @@
+/*
+ * init.S
+ * ------
+ *
+ * Wind River PPMC 7xx/74xx init code.
+ *
+ * By Richard Danter (richard.danter@windriver.com)
+ * Copyright (C) 2005 Wind River Systems
+ *
+ * NOTE: The following code was generated automatically by Workbench
+ * from the ppmc7400_107.reg register file.
+ */
+
+#include <ppc_asm.tmpl>
+
+
+.globl board_asm_init
+board_asm_init:
+
+ lis r4,0xFEC0
+ ori r4,r4,0x0000
+ lis r5,0xFEE0
+ ori r5,r5,0x0000
+ lis r3,0x8000 # ADDR_00
+ ori r3,r3,0x0000
+ stwbrx r3,0,r4
+ li r3,0x1057 # VENDOR
+ li r8, 0x0
+ sthbrx r3,r8,r5
+ lis r3,0x8000 # ADDR_02
+ ori r3,r3,0x0002
+ stwbrx r3,0,r4
+ li r3,0x0004 # ID
+ li r8, 0x2
+ sthbrx r3,r8,r5
+ lis r3,0x8000 # ADDR_04
+ ori r3,r3,0x0004
+ stwbrx r3,0,r4
+ li r3,0x0006 # PCICMD
+ li r8, 0x0
+ sthbrx r3,r8,r5
+ lis r3,0x8000 # ADDR_06
+ ori r3,r3,0x0006
+ stwbrx r3,0,r4
+ li r3,0x00A0 # PCISTAT
+ li r8, 0x2
+ sthbrx r3,r8,r5
+ lis r3,0x8000 # ADDR_08
+ ori r3,r3,0x0008
+ stwbrx r3,0,r4
+ li r3,0x10 # REVID
+ stb r3,0x0(r5)
+ lis r3,0x8000 # ADDR_09
+ ori r3,r3,0x0009
+ stwbrx r3,0,r4
+ li r3,0x00 # PROGIR
+ stb r3,0x1(r5)
+ lis r3,0x8000 # ADDR_0A
+ ori r3,r3,0x000A
+ stwbrx r3,0,r4
+ li r3,0x00 # SUBCCODE
+ stb r3,0x2(r5)
+ lis r3,0x8000 # ADDR_0B
+ ori r3,r3,0x000B
+ stwbrx r3,0,r4
+ li r3,0x06 # PBCCR
+ stb r3,0x3(r5)
+ lis r3,0x8000 # ADDR_0C
+ ori r3,r3,0x000C
+ stwbrx r3,0,r4
+ li r3,0x08 # PCLSR
+ stb r3,0x0(r5)
+ lis r3,0x8000 # ADDR_0D
+ ori r3,r3,0x000D
+ stwbrx r3,0,r4
+ li r3,0x00 # PLTR
+ stb r3,0x1(r5)
+ lis r3,0x8000 # ADDR_0E
+ ori r3,r3,0x000E
+ stwbrx r3,0,r4
+ li r3,0x00 # HEADTYPE
+ stb r3,0x2(r5)
+ lis r3,0x8000 # ADDR_0F
+ ori r3,r3,0x000F
+ stwbrx r3,0,r4
+ li r3,0x00 # BISTCTRL
+ stb r3,0x3(r5)
+ lis r3,0x8000 # ADDR_10
+ ori r3,r3,0x0010
+ stwbrx r3,0,r4
+ lis r3,0x0000 # LMBAR
+ ori r3,r3,0x0008
+ li r8, 0x0
+ stwbrx r3,r8,r5
+ lis r3,0x8000 # ADDR_14
+ ori r3,r3,0x0014
+ stwbrx r3,0,r4
+ lis r3,0xF000 # PCSRBAR
+ ori r3,r3,0x0000
+ li r8, 0x0
+ stwbrx r3,r8,r5
+ lis r3,0x8000 # ADDR_3C
+ ori r3,r3,0x003C
+ stwbrx r3,0,r4
+ li r3,0x00 # ILR
+ stb r3,0x0(r5)
+ lis r3,0x8000 # ADDR_3D
+ ori r3,r3,0x003D
+ stwbrx r3,0,r4
+ li r3,0x01 # INTPIN
+ stb r3,0x1(r5)
+ lis r3,0x8000 # ADDR_3E
+ ori r3,r3,0x003E
+ stwbrx r3,0,r4
+ li r3,0x00 # MIN_GNT
+ stb r3,0x2(r5)
+ lis r3,0x8000 # ADDR_3F
+ ori r3,r3,0x003F
+ stwbrx r3,0,r4
+ li r3,0x00 # MAX_LAT
+ stb r3,0x3(r5)
+ lis r3,0x8000 # ADDR_40
+ ori r3,r3,0x0040
+ stwbrx r3,0,r4
+ li r3,0x00 # BUSNB
+ stb r3,0x0(r5)
+ lis r3,0x8000 # ADDR_41
+ ori r3,r3,0x0041
+ stwbrx r3,0,r4
+ li r3,0x00 # SBUSNB
+ stb r3,0x1(r5)
+ lis r3,0x8000 # ADDR_46
+ ori r3,r3,0x0046
+ stwbrx r3,0,r4
+# li r3,0xE080 # PCIARB
+ li r3,-0x1F80 # PCIARB
+ li r8, 0x2
+ sthbrx r3,r8,r5
+ lis r3,0x8000 # ADDR_70
+ ori r3,r3,0x0070
+ stwbrx r3,0,r4
+ li r3,0x0000 # PMCR1
+ li r8, 0x0
+ sthbrx r3,r8,r5
+ lis r3,0x8000 # ADDR_72
+ ori r3,r3,0x0072
+ stwbrx r3,0,r4
+ li r3,0xC0 # PMCR2
+ stb r3,0x2(r5)
+ lis r3,0x8000 # ADDR_73
+ ori r3,r3,0x0073
+ stwbrx r3,0,r4
+ li r3,0xEF # ODCR
+ stb r3,0x3(r5)
+ lis r3,0x8000 # ADDR_74
+ ori r3,r3,0x0074
+ stwbrx r3,0,r4
+ li r3,0x7D00 # CLKDCR
+ li r8, 0x0
+ sthbrx r3,r8,r5
+ lis r3,0x8000 # ADDR_76
+ ori r3,r3,0x0076
+ stwbrx r3,0,r4
+ li r3,0x00 # MDCR
+ stb r3,0x2(r5)
+ lis r6,0xFCE0
+ ori r6,r6,0x0000 # r6 is the EUMBAR Base Address
+ lis r3,0x8000 # ADDR_78
+ ori r3,r3,0x0078
+ stwbrx r3,0,r4
+ lis r3,0xFCE0 # EUMBBAR
+ ori r3,r3,0x0000
+ li r8, 0x0
+ stwbrx r3,r8,r5
+ lis r3,0x8000 # ADDR_80
+ ori r3,r3,0x0080
+ stwbrx r3,0,r4
+ lis r3,0xFFFF # MSADDR1
+ ori r3,r3,0x4000
+ li r8, 0x0
+ stwbrx r3,r8,r5
+ lis r3,0x8000 # ADDR_84
+ ori r3,r3,0x0084
+ stwbrx r3,0,r4
+ lis r3,0xFFFF # MSADDR2
+ ori r3,r3,0xFFFF
+ li r8, 0x0
+ stwbrx r3,r8,r5
+ lis r3,0x8000 # ADDR_88
+ ori r3,r3,0x0088
+ stwbrx r3,0,r4
+ lis r3,0x0303 # EMSADDR1
+ ori r3,r3,0x0000
+ li r8, 0x0
+ stwbrx r3,r8,r5
+ lis r3,0x8000 # ADDR_8C
+ ori r3,r3,0x008C
+ stwbrx r3,0,r4
+ lis r3,0x0303 # EMSADDR2
+ ori r3,r3,0x0303
+ li r8, 0x0
+ stwbrx r3,r8,r5
+ lis r3,0x8000 # ADDR_90
+ ori r3,r3,0x0090
+ stwbrx r3,0,r4
+ lis r3,0xFFFF # EMEADDR1
+ ori r3,r3,0x7F3F
+ li r8, 0x0
+ stwbrx r3,r8,r5
+ lis r3,0x8000 # ADDR_94
+ ori r3,r3,0x0094
+ stwbrx r3,0,r4
+ lis r3,0xFFFF # EMEADDR2
+ ori r3,r3,0xFFFF
+ li r8, 0x0
+ stwbrx r3,r8,r5
+ lis r3,0x8000 # ADDR_98
+ ori r3,r3,0x0098
+ stwbrx r3,0,r4
+ lis r3,0x0303 # EXTEMEM1
+ ori r3,r3,0x0000
+ li r8, 0x0
+ stwbrx r3,r8,r5
+ lis r3,0x8000 # ADDR_9C
+ ori r3,r3,0x009C
+ stwbrx r3,0,r4
+ lis r3,0x0303 # EXTEMEM2
+ ori r3,r3,0x0303
+ li r8, 0x0
+ stwbrx r3,r8,r5
+ lis r3,0x8000 # ADDR_A0
+ ori r3,r3,0x00A0
+ stwbrx r3,0,r4
+ li r3,0x03 # MEMBNKEN
+ stb r3,0x0(r5)
+ lis r3,0x8000 # ADDR_A3
+ ori r3,r3,0x00A3
+ stwbrx r3,0,r4
+ li r3,0x00 # MEMPMODE
+ stb r3,0x3(r5)
+ lis r3,0x8000 # ADDR_B8
+ ori r3,r3,0x00B8
+ stwbrx r3,0,r4
+ li r3,0x00 # ECCCNT
+ stb r3,0x0(r5)
+ lis r3,0x8000 # ADDR_B9
+ ori r3,r3,0x00B9
+ stwbrx r3,0,r4
+ li r3,0x00 # ECCTRG
+ stb r3,0x1(r5)
+ lis r3,0x8000 # ADDR_C0
+ ori r3,r3,0x00C0
+ stwbrx r3,0,r4
+ li r3,0xFF # ERRENR1
+ stb r3,0x0(r5)
+ lis r3,0x8000 # ADDR_C1
+ ori r3,r3,0x00C1
+ stwbrx r3,0,r4
+ li r3,0x00 # ERRDR1
+ stb r3,0x1(r5)
+ lis r3,0x8000 # ADDR_C3
+ ori r3,r3,0x00C3
+ stwbrx r3,0,r4
+ li r3,0x50 # IPBESR
+ stb r3,0x3(r5)
+ lis r3,0x8000 # ADDR_C4
+ ori r3,r3,0x00C4
+ stwbrx r3,0,r4
+ li r3,0xBF # ERRENR2
+ stb r3,0x0(r5)
+ lis r3,0x8000 # ADDR_C5
+ ori r3,r3,0x00C5
+ stwbrx r3,0,r4
+ li r3,0x00 # ERRDR2
+ stb r3,0x1(r5)
+ lis r3,0x8000 # ADDR_C7
+ ori r3,r3,0x00C7
+ stwbrx r3,0,r4
+ li r3,0x00 # PCIBESR
+ stb r3,0x3(r5)
+ lis r3,0x8000 # ADDR_C8
+ ori r3,r3,0x00C8
+ stwbrx r3,0,r4
+ lis r3,0x0000 # BERRADDR
+ ori r3,r3,0xE0FE
+ li r8, 0x0
+ stwbrx r3,r8,r5
+ lis r3,0x8000 # ADDR_E0
+ ori r3,r3,0x00E0
+ stwbrx r3,0,r4
+ li r3,0xC0 # AMBOR
+ stb r3,0x0(r5)
+ lis r3,0x8000 # ADDR_F4
+ ori r3,r3,0x00F4
+ stwbrx r3,0,r4
+ lis r3,0x0000 # MCCR2
+ ori r3,r3,0x020C
+ li r8, 0x0
+ stwbrx r3,r8,r5
+ lis r3,0x8000 # ADDR_F8
+ ori r3,r3,0x00F8
+ stwbrx r3,0,r4
+ lis r3,0x0230 # MCCR3
+ ori r3,r3,0x0000
+ li r8, 0x0
+ stwbrx r3,r8,r5
+ lis r3,0x8000 # ADDR_FC
+ ori r3,r3,0x00FC
+ stwbrx r3,0,r4
+ lis r3,0x2532 # MCCR4
+ ori r3,r3,0x2220
+ li r8, 0x0
+ stwbrx r3,r8,r5
+ lis r3,0x8000 # ADDR_F0
+ ori r3,r3,0x00F0
+ stwbrx r3,0,r4
+ lis r3,0xFFC8 # MCCR1
+ ori r3,r3,0x0000
+ li r8, 0x0
+ stwbrx r3,r8,r5
+ lis r3,0x8000 # ADDR_A8
+ ori r3,r3,0x00A8
+ stwbrx r3,0,r4
+ lis r3,0xFF14 # PICR1
+ ori r3,r3,0x1CC8
+ li r8, 0x0
+ stwbrx r3,r8,r5
+ lis r3,0x8000 # ADDR_AC
+ ori r3,r3,0x00AC
+ stwbrx r3,0,r4
+ lis r3,0x0000 # PICR2
+ ori r3,r3,0x0000
+ li r8, 0x0
+ stwbrx r3,r8,r5
+
+ blr
diff --git a/board/ppmc7xx/pci.c b/board/ppmc7xx/pci.c
new file mode 100644
index 0000000..5b115ea
--- /dev/null
+++ b/board/ppmc7xx/pci.c
@@ -0,0 +1,97 @@
+/*
+ * (C) Copyright 2002 ELTEC Elektronik AG
+ * Frank Gottschling <fgottschling@eltec.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
+ */
+
+/*
+ * PCI initialisation for the MPC10x.
+ */
+
+#include <common.h>
+#include <pci.h>
+#include <mpc106.h>
+
+#ifdef CONFIG_PCI
+
+struct pci_controller local_hose;
+
+void pci_init_board(void)
+{
+ struct pci_controller* hose = (struct pci_controller *)&local_hose;
+ u16 reg16;
+
+ hose->first_busno = 0;
+ hose->last_busno = 0xff;
+
+ pci_set_region(hose->regions + 0,
+ CFG_PCI_MEMORY_BUS,
+ CFG_PCI_MEMORY_PHYS,
+ CFG_PCI_MEMORY_SIZE,
+ PCI_REGION_MEM | PCI_REGION_MEMORY);
+
+ /* PCI memory space */
+ pci_set_region(hose->regions + 1,
+ CFG_PCI_MEM_BUS,
+ CFG_PCI_MEM_PHYS,
+ CFG_PCI_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ /* ISA/PCI memory space */
+ pci_set_region(hose->regions + 2,
+ CFG_ISA_MEM_BUS,
+ CFG_ISA_MEM_PHYS,
+ CFG_ISA_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ /* PCI I/O space */
+ pci_set_region(hose->regions + 3,
+ CFG_PCI_IO_BUS,
+ CFG_PCI_IO_PHYS,
+ CFG_PCI_IO_SIZE,
+ PCI_REGION_IO);
+
+ /* ISA/PCI I/O space */
+ pci_set_region(hose->regions + 4,
+ CFG_ISA_IO_BUS,
+ CFG_ISA_IO_PHYS,
+ CFG_ISA_IO_SIZE,
+ PCI_REGION_IO);
+
+ hose->region_count = 5;
+
+ pci_setup_indirect(hose,
+ MPC106_REG_ADDR,
+ MPC106_REG_DATA);
+
+ pci_register_hose(hose);
+
+ hose->last_busno = pci_hose_scan(hose);
+
+ /* Initialises the MPC10x PCI Configuration regs. */
+ pci_read_config_word (PCI_BDF(0,0,0), PCI_COMMAND, &reg16);
+ reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
+ pci_write_config_word(PCI_BDF(0,0,0), PCI_COMMAND, reg16);
+
+ /* Clear non-reserved bits in status register */
+ pci_write_config_word(PCI_BDF(0,0,0), PCI_STATUS, 0xffff);
+}
+
+#endif /* CONFIG_PCI */
diff --git a/board/ppmc7xx/ppmc7xx.c b/board/ppmc7xx/ppmc7xx.c
new file mode 100644
index 0000000..402ac5e
--- /dev/null
+++ b/board/ppmc7xx/ppmc7xx.c
@@ -0,0 +1,104 @@
+/*
+ * ppmc7xx.c
+ * ---------
+ *
+ * Main board-specific routines for Wind River PPMC 7xx/74xx board.
+ *
+ * By Richard Danter (richard.danter@windriver.com)
+ * Copyright (C) 2005 Wind River Systems
+ */
+
+#include <common.h>
+#include <command.h>
+
+
+/* Define some MPC107 (memory controller) registers */
+#define MPC107_EUMB_GCR 0xfce41020
+#define MPC107_EUMB_IACKR 0xfce600a0
+
+
+/* Function prototypes */
+extern void unlock_ram_in_cache( void );
+extern void _start_warm(void);
+
+
+/*
+ * initdram()
+ *
+ * This function normally initialises the (S)DRAM of the system. For this board
+ * the SDRAM was already initialised by board_asm_init (see init.S) so we just
+ * return the size of RAM.
+ */
+long initdram( int board_type )
+{
+ return CFG_SDRAM_SIZE;
+}
+
+
+/*
+ * after_reloc()
+ *
+ * This is called after U-Boot has been copied from Flash/ROM to RAM. It gives
+ * us an opportunity to do some additional setup before the rest of the system
+ * is initialised. We don't need to do anything, so we just call board_init_r()
+ * which should never return.
+ */
+void after_reloc( ulong dest_addr, gd_t* gd )
+{
+ /* Jump to the main U-Boot board init code */
+ board_init_r( gd, dest_addr );
+}
+
+
+/*
+ * checkboard()
+ *
+ * We could do some board level checks here, such as working out what version
+ * it is, but for this board we simply display it's name (on the console).
+ */
+int checkboard( void )
+{
+ puts( "Board: Wind River PPMC 7xx/74xx\n" );
+ return 0;
+}
+
+
+/*
+ * misc_init_r
+ *
+ * Used for other setup which needs to be done late in the bring-up phase.
+ */
+int misc_init_r( void )
+{
+ /* Reset the EPIC and clear pending interrupts */
+ out32r(MPC107_EUMB_GCR, 0xa0000000);
+ while( in32r( MPC107_EUMB_GCR ) & 0x80000000 );
+ out32r( MPC107_EUMB_GCR, 0x20000000 );
+ while( in32r( MPC107_EUMB_IACKR ) != 0xff );
+
+ /* Enable the I-Cache */
+ icache_enable();
+
+ return 0;
+}
+
+
+/*
+ * do_reset()
+ *
+ * Shell command to reset the board.
+ */
+void do_reset( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] )
+{
+ printf( "Resetting...\n" );
+
+ /* Disabe and invalidate cache */
+ icache_disable();
+ dcache_disable();
+
+ /* Jump to warm start (in RAM) */
+ _start_warm();
+
+ /* Should never get here */
+ while(1);
+}
diff --git a/board/ppmc7xx/u-boot.lds b/board/ppmc7xx/u-boot.lds
new file mode 100644
index 0000000..0dfa8c0
--- /dev/null
+++ b/board/ppmc7xx/u-boot.lds
@@ -0,0 +1,135 @@
+/*
+ * (C) Copyright 2001
+ * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc.
+ *
+ * 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
+ */
+
+/*
+ * u-boot.lds - linker script for U-Boot on the Galileo Eval Board.
+ */
+
+OUTPUT_ARCH(powerpc)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* Do we need any of these for elf?
+ __DYNAMIC = 0; */
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ . = + SIZEOF_HEADERS;
+ .interp : { *(.interp) }
+ .hash : { *(.hash) }
+ .dynsym : { *(.dynsym) }
+ .dynstr : { *(.dynstr) }
+ .rel.text : { *(.rel.text) }
+ .rela.text : { *(.rela.text) }
+ .rel.data : { *(.rel.data) }
+ .rela.data : { *(.rela.data) }
+ .rel.rodata : { *(.rel.rodata) }
+ .rela.rodata : { *(.rela.rodata) }
+ .rel.got : { *(.rel.got) }
+ .rela.got : { *(.rela.got) }
+ .rel.ctors : { *(.rel.ctors) }
+ .rela.ctors : { *(.rela.ctors) }
+ .rel.dtors : { *(.rel.dtors) }
+ .rela.dtors : { *(.rela.dtors) }
+ .rel.bss : { *(.rel.bss) }
+ .rela.bss : { *(.rela.bss) }
+ .rel.plt : { *(.rel.plt) }
+ .rela.plt : { *(.rela.plt) }
+ .init : { *(.init) }
+ .plt : { *(.plt) }
+ .text :
+ {
+ cpu/74xx_7xx/start.o (.text)
+
+/* store the environment in a seperate sector in the boot flash */
+/* . = env_offset; */
+/* common/environment.o(.text) */
+
+ *(.text)
+ *(.fixup)
+ *(.got1)
+ }
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata1)
+ *(.rodata.str1.4)
+ }
+ .fini : { *(.fini) } =0
+ .ctors : { *(.ctors) }
+ .dtors : { *(.dtors) }
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x00FF) & 0xFFFFFF00;
+ _erotext = .;
+ PROVIDE (erotext = .);
+ .reloc :
+ {
+ *(.got)
+ _GOT2_TABLE_ = .;
+ *(.got2)
+ _FIXUP_TABLE_ = .;
+ *(.fixup)
+ }
+ __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+ __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+ .data :
+ {
+ *(.data)
+ *(.data1)
+ *(.sdata)
+ *(.sdata2)
+ *(.dynamic)
+ CONSTRUCTORS
+ }
+ _edata = .;
+ PROVIDE (edata = .);
+
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+
+ __start___ex_table = .;
+ __ex_table : { *(__ex_table) }
+ __stop___ex_table = .;
+
+ . = ALIGN(256);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(256);
+ __init_end = .;
+
+ __bss_start = .;
+ .bss :
+ {
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ }
+ _end = . ;
+ PROVIDE (end = .);
+}
generated by cgit v1.1 at 2024-11-30 09:54:02 +0000