Changes since U-Boot 1.1.1:
======================================================================
+* Patch by Vincent Dubey, 24 Sep 2004:
+ Add support for xaeniax board
+
* Add comment about non-GPL character of standalone applications to
COPYING file
## Xscale Systems
#########################################################################
-LIST_pxa="cerf250 cradle csb226 innokom lubbock wepep250 xm250 xsengine"
+LIST_pxa=" \
+ cerf250 cradle csb226 innokom \
+ lubbock wepep250 xaeniax xm250 \
+ xsengine \
+"
LIST_ixp="ixdp425"
wepep250_config : unconfig
@./mkconfig $(@:_config=) arm pxa wepep250
+xaeniax_config : unconfig
+ @./mkconfig $(@:_config=) arm pxa xaeniax
+
xm250_config : unconfig
@./mkconfig $(@:_config=) arm pxa xm250
--- /dev/null
+#
+# (C) Copyright 2000, 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 := xaeniax.o flash.o
+SOBJS := memsetup.o
+
+$(LIB): $(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
+
+#########################################################################
--- /dev/null
+TEXT_BASE = 0xa3FB0000
+#TEXT_BASE = 0
--- /dev/null
+/*
+ * (C) Copyright 2001
+ * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
+ *
+ * (C) Copyright 2001
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <linux/byteorder/swab.h>
+
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+/* Board support for 1 or 2 flash devices */
+#define FLASH_PORT_WIDTH32
+#undef FLASH_PORT_WIDTH16
+
+#ifdef FLASH_PORT_WIDTH16
+#define FLASH_PORT_WIDTH ushort
+#define FLASH_PORT_WIDTHV vu_short
+#define SWAP(x) __swab16(x)
+#else
+#define FLASH_PORT_WIDTH ulong
+#define FLASH_PORT_WIDTHV vu_long
+#define SWAP(x) __swab32(x)
+#endif
+
+#define FPW FLASH_PORT_WIDTH
+#define FPWV FLASH_PORT_WIDTHV
+
+#define mb() __asm__ __volatile__ ("" : : : "memory")
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size (FPW *addr, flash_info_t *info);
+static int write_data (flash_info_t *info, ulong dest, FPW data);
+static void flash_get_offsets (ulong base, flash_info_t *info);
+void inline spin_wheel (void);
+
+/*-----------------------------------------------------------------------
+ */
+
+unsigned long flash_init (void)
+{
+ int i;
+ ulong size = 0;
+
+ for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
+ switch (i) {
+ case 0:
+ flash_get_size ((FPW *) PHYS_FLASH_1, &flash_info[i]);
+ flash_get_offsets (PHYS_FLASH_1, &flash_info[i]);
+ break;
+ case 1:
+ flash_get_size ((FPW *) PHYS_FLASH_2, &flash_info[i]);
+ flash_get_offsets (PHYS_FLASH_2, &flash_info[i]);
+ break;
+ default:
+ panic ("configured too many flash banks!\n");
+ break;
+ }
+ size += flash_info[i].size;
+ }
+
+ /* Protect monitor and environment sectors
+ */
+ flash_protect ( FLAG_PROTECT_SET,
+ CFG_FLASH_BASE,
+ CFG_FLASH_BASE + monitor_flash_len - 1,
+ &flash_info[0] );
+
+ flash_protect ( FLAG_PROTECT_SET,
+ CFG_ENV_ADDR,
+ CFG_ENV_ADDR + CFG_ENV_SIZE - 1, &flash_info[0] );
+
+ return size;
+}
+
+/*-----------------------------------------------------------------------
+ */
+static void flash_get_offsets (ulong base, flash_info_t *info)
+{
+ int i;
+
+ if (info->flash_id == FLASH_UNKNOWN) {
+ return;
+ }
+
+ if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
+ for (i = 0; i < info->sector_count; i++) {
+ info->start[i] = base + (i * PHYS_FLASH_SECT_SIZE);
+ info->protect[i] = 0;
+ }
+ }
+}
+
+/*-----------------------------------------------------------------------
+ */
+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_INTEL:
+ printf ("INTEL ");
+ break;
+ default:
+ printf ("Unknown Vendor ");
+ break;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case FLASH_28F128J3A:
+ printf ("28F128J3A\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;
+}
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+static ulong flash_get_size (FPW *addr, flash_info_t *info)
+{
+ volatile FPW value;
+
+ /* Write auto select command: read Manufacturer ID */
+ addr[0x5555] = (FPW) 0x00AA00AA;
+ addr[0x2AAA] = (FPW) 0x00550055;
+ addr[0x5555] = (FPW) 0x00900090;
+
+ mb ();
+ value = addr[0];
+
+ switch (value) {
+
+ case (FPW) INTEL_MANUFACT:
+ info->flash_id = FLASH_MAN_INTEL;
+ break;
+
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+ addr[0] = (FPW) 0x00FF00FF; /* restore read mode */
+ return (0); /* no or unknown flash */
+ }
+
+ mb ();
+ value = addr[1]; /* device ID */
+
+ switch (value) {
+
+ case (FPW) INTEL_ID_28F128J3A:
+ info->flash_id += FLASH_28F128J3A;
+ info->sector_count = 128;
+ info->size = 0x02000000;
+ break; /* => 16 MB */
+
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ break;
+ }
+
+ if (info->sector_count > CFG_MAX_FLASH_SECT) {
+ printf ("** ERROR: sector count %d > max (%d) **\n",
+ info->sector_count, CFG_MAX_FLASH_SECT);
+ info->sector_count = CFG_MAX_FLASH_SECT;
+ }
+
+ addr[0] = (FPW) 0x00FF00FF; /* restore read mode */
+
+ return (info->size);
+}
+
+
+/*-----------------------------------------------------------------------
+ */
+
+int flash_erase (flash_info_t *info, int s_first, int s_last)
+{
+ int flag, prot, sect;
+ ulong type, start, last;
+ int rcode = 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);
+ if ((type != FLASH_MAN_INTEL)) {
+ 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");
+ }
+
+ start = get_timer (0);
+ last = start;
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts ();
+
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect <= s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+ FPWV *addr = (FPWV *) (info->start[sect]);
+ FPW status;
+
+ printf ("Erasing sector %2d ... ", sect);
+
+ /* arm simple, non interrupt dependent timer */
+ reset_timer_masked ();
+
+ *addr = (FPW) 0x00500050; /* clear status register */
+ *addr = (FPW) 0x00200020; /* erase setup */
+ *addr = (FPW) 0x00D000D0; /* erase confirm */
+
+ while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
+ if (get_timer_masked () > CFG_FLASH_ERASE_TOUT) {
+ printf ("Timeout\n");
+ *addr = (FPW) 0x00B000B0; /* suspend erase */
+ *addr = (FPW) 0x00FF00FF; /* reset to read mode */
+ rcode = 1;
+ break;
+ }
+ }
+
+ *addr = 0x00500050; /* clear status register cmd. */
+ *addr = 0x00FF00FF; /* resest to read mode */
+
+ printf (" done\n");
+ }
+ }
+ return rcode;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ * 4 - Flash not identified
+ */
+
+int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
+{
+ ulong cp, wp;
+ FPW data;
+ int count, i, l, rc, port_width;
+
+ if (info->flash_id == FLASH_UNKNOWN) {
+ return 4;
+ }
+/* get lower word aligned address */
+#ifdef FLASH_PORT_WIDTH16
+ wp = (addr & ~1);
+ port_width = 2;
+#else
+ wp = (addr & ~3);
+ port_width = 4;
+#endif
+
+ /*
+ * 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);
+ }
+ for (; i < port_width && cnt > 0; ++i) {
+ data = (data << 8) | *src++;
+ --cnt;
+ ++cp;
+ }
+ for (; cnt == 0 && i < port_width; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *) cp);
+ }
+
+ if ((rc = write_data (info, wp, SWAP (data))) != 0) {
+ return (rc);
+ }
+ wp += port_width;
+ }
+
+ /*
+ * handle word aligned part
+ */
+ count = 0;
+ while (cnt >= port_width) {
+ data = 0;
+ for (i = 0; i < port_width; ++i) {
+ data = (data << 8) | *src++;
+ }
+ if ((rc = write_data (info, wp, SWAP (data))) != 0) {
+ return (rc);
+ }
+ wp += port_width;
+ cnt -= port_width;
+ if (count++ > 0x800) {
+ spin_wheel ();
+ count = 0;
+ }
+ }
+
+ if (cnt == 0) {
+ return (0);
+ }
+
+ /*
+ * handle unaligned tail bytes
+ */
+ data = 0;
+ for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) {
+ data = (data << 8) | *src++;
+ --cnt;
+ }
+ for (; i < port_width; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *) cp);
+ }
+
+ return (write_data (info, wp, SWAP (data)));
+}
+
+/*-----------------------------------------------------------------------
+ * Write a word or halfword to Flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_data (flash_info_t *info, ulong dest, FPW data)
+{
+ FPWV *addr = (FPWV *) dest;
+ ulong status;
+ int flag;
+
+ /* Check if Flash is (sufficiently) erased */
+ if ((*addr & data) != data) {
+ printf ("not erased at %08lx (%lx)\n", (ulong) addr, *addr);
+ return (2);
+ }
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts ();
+
+ *addr = (FPW) 0x00400040; /* write setup */
+ *addr = data;
+
+ /* arm simple, non interrupt dependent timer */
+ reset_timer_masked ();
+
+ /* wait while polling the status register */
+ while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
+ if (get_timer_masked () > CFG_FLASH_WRITE_TOUT) {
+ *addr = (FPW) 0x00FF00FF; /* restore read mode */
+ return (1);
+ }
+ }
+
+ *addr = (FPW) 0x00FF00FF; /* restore read mode */
+
+ return (0);
+}
+
+void inline spin_wheel (void)
+{
+ static int p = 0;
+ static char w[] = "\\/-";
+
+ printf ("\010%c", w[p]);
+ (++p == 3) ? (p = 0) : 0;
+}
--- /dev/null
+ /*
+ * Most of this taken from Redboot hal_platform_setup.h with cleanup
+ *
+ * NOTE: I haven't clean this up considerably, just enough to get it
+ * running. See hal_platform_setup.h for the source. See
+ * board/cradle/memsetup.S for another PXA250 setup that is
+ * much cleaner.
+ *
+ * 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>
+#include <asm/arch/pxa-regs.h>
+
+DRAM_SIZE: .long CFG_DRAM_SIZE
+
+/* wait for coprocessor write complete */
+ .macro CPWAIT reg
+ mrc p15,0,\reg,c2,c0,0
+ mov \reg,\reg
+ sub pc,pc,#4
+ .endm
+
+
+.globl memsetup
+memsetup:
+
+ mov r10, lr
+
+ /* Set up GPIO pins first ----------------------------------------- */
+
+ ldr r0,=GPSR0
+ ldr r1,=CFG_GPSR0_VAL
+ str r1,[r0]
+
+ ldr r0,=GPSR1
+ ldr r1,=CFG_GPSR1_VAL
+ str r1,[r0]
+
+ ldr r0,=GPSR2
+ ldr r1,=CFG_GPSR2_VAL
+ str r1,[r0]
+
+ ldr r0,=GPCR0
+ ldr r1,=CFG_GPCR0_VAL
+ str r1,[r0]
+
+ ldr r0,=GPCR1
+ ldr r1,=CFG_GPCR1_VAL
+ str r1,[r0]
+
+ ldr r0,=GPCR2
+ ldr r1,=CFG_GPCR2_VAL
+ str r1,[r0]
+
+ ldr r0,=GPDR0
+ ldr r1,=CFG_GPDR0_VAL
+ str r1,[r0]
+
+ ldr r0,=GPDR1
+ ldr r1,=CFG_GPDR1_VAL
+ str r1,[r0]
+
+ ldr r0,=GPDR2
+ ldr r1,=CFG_GPDR2_VAL
+ str r1,[r0]
+
+ ldr r0,=GAFR0_L
+ ldr r1,=CFG_GAFR0_L_VAL
+ str r1,[r0]
+
+ ldr r0,=GAFR0_U
+ ldr r1,=CFG_GAFR0_U_VAL
+ str r1,[r0]
+
+ ldr r0,=GAFR1_L
+ ldr r1,=CFG_GAFR1_L_VAL
+ str r1,[r0]
+
+ ldr r0,=GAFR1_U
+ ldr r1,=CFG_GAFR1_U_VAL
+ str r1,[r0]
+
+ ldr r0,=GAFR2_L
+ ldr r1,=CFG_GAFR2_L_VAL
+ str r1,[r0]
+
+ ldr r0,=GAFR2_U
+ ldr r1,=CFG_GAFR2_U_VAL
+ str r1,[r0]
+
+ ldr r0,=PSSR /* enable GPIO pins */
+ ldr r1,=CFG_PSSR_VAL
+ str r1,[r0]
+
+ /* ---------------------------------------------------------------- */
+ /* Enable memory interface */
+ /* */
+ /* The sequence below is based on the recommended init steps */
+ /* detailed in the Intel PXA250 Operating Systems Developers Guide, */
+ /* Chapter 10. */
+ /* ---------------------------------------------------------------- */
+
+ /* ---------------------------------------------------------------- */
+ /* Step 1: Wait for at least 200 microsedonds to allow internal */
+ /* clocks to settle. Only necessary after hard reset... */
+ /* FIXME: can be optimized later */
+ /* ---------------------------------------------------------------- */
+
+ ldr r3, =OSCR /* reset the OS Timer Count to zero */
+ mov r2, #0
+ str r2, [r3]
+ ldr r4, =0x300 /* really 0x2E1 is about 200usec, */
+ /* so 0x300 should be plenty */
+1:
+ ldr r2, [r3]
+ cmp r4, r2
+ bgt 1b
+
+mem_init:
+
+ ldr r1,=MEMC_BASE /* get memory controller base addr. */
+
+ /* ---------------------------------------------------------------- */
+ /* Step 2a: Initialize Asynchronous static memory controller */
+ /* ---------------------------------------------------------------- */
+
+ /* MSC registers: timing, bus width, mem type */
+
+ /* MSC0: nCS(0,1) */
+ ldr r2,=CFG_MSC0_VAL
+ str r2,[r1, #MSC0_OFFSET]
+ ldr r2,[r1, #MSC0_OFFSET] /* read back to ensure data latches */
+
+ /* MSC1: nCS(2,3) */
+ ldr r2,=CFG_MSC1_VAL
+ str r2,[r1, #MSC1_OFFSET]
+ ldr r2,[r1, #MSC1_OFFSET]
+
+ /* MSC2: nCS(4,5) */
+ ldr r2,=CFG_MSC2_VAL
+ str r2,[r1, #MSC2_OFFSET]
+ ldr r2,[r1, #MSC2_OFFSET]
+
+ /* ---------------------------------------------------------------- */
+ /* Step 2b: Initialize Card Interface */
+ /* ---------------------------------------------------------------- */
+
+ /* MECR: Memory Expansion Card Register */
+ ldr r2,=CFG_MECR_VAL
+ str r2,[r1, #MECR_OFFSET]
+ ldr r2,[r1, #MECR_OFFSET]
+
+ /* MCMEM0: Card Interface slot 0 timing */
+ ldr r2,=CFG_MCMEM0_VAL
+ str r2,[r1, #MCMEM0_OFFSET]
+ ldr r2,[r1, #MCMEM0_OFFSET]
+
+ /* MCMEM1: Card Interface slot 1 timing */
+ ldr r2,=CFG_MCMEM1_VAL
+ str r2,[r1, #MCMEM1_OFFSET]
+ ldr r2,[r1, #MCMEM1_OFFSET]
+
+ /* MCATT0: Card Interface Attribute Space Timing, slot 0 */
+ ldr r2,=CFG_MCATT0_VAL
+ str r2,[r1, #MCATT0_OFFSET]
+ ldr r2,[r1, #MCATT0_OFFSET]
+
+ /* MCATT1: Card Interface Attribute Space Timing, slot 1 */
+ ldr r2,=CFG_MCATT1_VAL
+ str r2,[r1, #MCATT1_OFFSET]
+ ldr r2,[r1, #MCATT1_OFFSET]
+
+ /* MCIO0: Card Interface I/O Space Timing, slot 0 */
+ ldr r2,=CFG_MCIO0_VAL
+ str r2,[r1, #MCIO0_OFFSET]
+ ldr r2,[r1, #MCIO0_OFFSET]
+
+ /* MCIO1: Card Interface I/O Space Timing, slot 1 */
+ ldr r2,=CFG_MCIO1_VAL
+ str r2,[r1, #MCIO1_OFFSET]
+ ldr r2,[r1, #MCIO1_OFFSET]
+
+ /* ---------------------------------------------------------------- */
+ /* Step 2c: Write FLYCNFG FIXME: what's that??? */
+ /* ---------------------------------------------------------------- */
+
+ /* ---------------------------------------------------------------- */
+ /* Step 2d: Initialize Timing for Sync Memory (SDCLK0) */
+ /* ---------------------------------------------------------------- */
+
+ @ get the mdrefr settings
+ ldr r4,=CFG_MDREFR_VAL
+
+ @ write back mdrefr
+ str r4,[r1, #MDREFR_OFFSET]
+ ldr r4,[r1, #MDREFR_OFFSET]
+
+ /* ---------------------------------------------------------------- */
+ /* Step 3: Initialize Synchronous Static Memory (Flash/Peripherals) */
+ /* ---------------------------------------------------------------- */
+
+ /* Initialize SXCNFG register. Assert the enable bits */
+
+ /* Write SXMRS to cause an MRS command to all enabled banks of */
+ /* synchronous static memory. Note that SXLCR need not be written */
+ /* at this time. */
+
+ /* FIXME: we use async mode for now */
+
+ /* ---------------------------------------------------------------- */
+ /* Step 4: Initialize SDRAM */
+ /* ---------------------------------------------------------------- */
+
+ @ set K1RUN for bank 0
+ @
+ orr r4, r4, #MDREFR_K1RUN
+
+ @ write back mdrefr
+ @
+ str r4, [r1, #MDREFR_OFFSET]
+ ldr r4, [r1, #MDREFR_OFFSET]
+
+ @ deassert SLFRSH
+ @
+ bic r4, r4, #MDREFR_SLFRSH
+
+ @ write back mdrefr
+ @
+ str r4, [r1, #MDREFR_OFFSET]
+ ldr r4, [r1, #MDREFR_OFFSET]
+
+ @ assert E1PIN
+ @ if E0PIN is also used: #(MDREFR_E1PIN|MDREFR_E0PIN)
+ orr r4, r4, #(MDREFR_E1PIN)
+
+ @ write back mdrefr
+ @
+ str r4, [r1, #MDREFR_OFFSET]
+ ldr r4, [r1, #MDREFR_OFFSET]
+ nop
+ nop
+
+ /* Step 4d: */
+ /* fetch platform value of mdcnfg */
+ @
+ ldr r2, =CFG_MDCNFG_VAL
+
+ @ disable all sdram banks
+ @
+ bic r2, r2, #(MDCNFG_DE0 | MDCNFG_DE1)
+ bic r2, r2, #(MDCNFG_DE2 | MDCNFG_DE3)
+
+ @ program banks 0/1 for bus width
+ @
+ bic r2, r2, #MDCNFG_DWID0 @0=32-bit
+
+ @ write initial value of mdcnfg, w/o enabling sdram banks
+ @
+ str r2, [r1, #MDCNFG_OFFSET]
+
+ /* Step 4e: Wait for the clock to the SDRAMs to stabilize, */
+ /* 100..200 µsec. */
+
+ ldr r3, =OSCR /* reset the OS Timer Count to zero */
+ mov r2, #0
+ str r2, [r3]
+ ldr r4, =0x300 /* really 0x2E1 is about 200usec, */
+ /* so 0x300 should be plenty */
+1:
+ ldr r2, [r3]
+ cmp r4, r2
+ bgt 1b
+
+
+ /* Step 4f: Trigger a number (usually 8) refresh cycles by */
+ /* attempting non-burst read or write accesses to disabled */
+ /* SDRAM, as commonly specified in the power up sequence */
+ /* documented in SDRAM data sheets. The address(es) used */
+ /* for this purpose must not be cacheable. */
+
+ ldr r3, =CFG_DRAM_BASE
+ str r2, [r3]
+ str r2, [r3]
+ str r2, [r3]
+ str r2, [r3]
+ str r2, [r3]
+ str r2, [r3]
+ str r2, [r3]
+ str r2, [r3]
+ str r2, [r3]
+
+
+ /* Step 4g: Write MDCNFG with enable bits asserted */
+ /* get memory controller base address */
+ ldr r1, =MEMC_BASE
+
+ @fetch current mdcnfg value
+ @
+ ldr r3, [r1, #MDCNFG_OFFSET]
+
+ @enable sdram bank 0 if installed (must do for any populated bank)
+ @
+ orr r3, r3, #MDCNFG_DE0
+
+ @write back mdcnfg, enabling the sdram bank(s)
+ @
+ str r3, [r1, #MDCNFG_OFFSET]
+
+ /* Step 4h: Write MDMRS. */
+
+ ldr r2, =CFG_MDMRS_VAL
+ str r2, [r1, #MDMRS_OFFSET]
+
+
+ /* We are finished with Intel's memory controller initialisation */
+
+
+ /* ---------------------------------------------------------------- */
+ /* Disable (mask) all interrupts at interrupt controller */
+ /* ---------------------------------------------------------------- */
+
+initirqs:
+ mov r1, #0 /* clear int. level register (IRQ, not FIQ) */
+ ldr r2, =ICLR
+ str r1, [r2]
+
+ ldr r1, =CFG_ICMR_VAL /* mask all interrupts at the controller */
+ ldr r2, =ICMR
+ str r1, [r2]
+
+
+ /* ---------------------------------------------------------------- */
+ /* Clock initialisation */
+ /* ---------------------------------------------------------------- */
+
+initclks:
+
+ /* Disable the peripheral clocks, and set the core clock frequency */
+ /* (hard-coding at 398.12MHz for now). */
+ /* Turn Off ALL on-chip peripheral clocks for re-configuration */
+ /* Note: See label 'ENABLECLKS' for the re-enabling */
+ ldr r1, =CKEN
+ mov r2, #0
+ str r2, [r1]
+
+
+ /* default value */
+ ldr r2, =(CCCR_L27|CCCR_M2|CCCR_N10) /* DEFAULT: {200/200/100} */
+
+ /* ... and write the core clock config register */
+ ldr r1, =CCCR
+ str r2, [r1]
+
+#ifdef RTC
+ /* enable the 32Khz oscillator for RTC and PowerManager */
+
+ ldr r1, =OSCC
+ mov r2, #OSCC_OON
+ str r2, [r1]
+
+ /* NOTE: spin here until OSCC.OOK get set, meaning the PLL */
+ /* has settled. */
+60:
+ ldr r2, [r1]
+ ands r2, r2, #1
+ beq 60b
+#endif
+
+ @ Turn on needed clocks
+ @
+test:
+ ldr r1, =CKEN
+ ldr r2, =CFG_CKEN_VAL
+ str r2, [r1]
+
+ /* ---------------------------------------------------------------- */
+ /* */
+ /* ---------------------------------------------------------------- */
+
+ /* Save SDRAM size ?*/
+ ldr r1, =DRAM_SIZE
+ str r8, [r1]
+
+ /* FIXME */
+
+#define NODEBUG
+#ifdef NODEBUG
+ /*Disable software and data breakpoints */
+ mov r0,#0
+ mcr p15,0,r0,c14,c8,0 /* ibcr0 */
+ mcr p15,0,r0,c14,c9,0 /* ibcr1 */
+ mcr p15,0,r0,c14,c4,0 /* dbcon */
+
+ /*Enable all debug functionality */
+ mov r0,#0x80000000
+ mcr p14,0,r0,c10,c0,0 /* dcsr */
+
+#endif
+
+ /* ---------------------------------------------------------------- */
+ /* End memsetup */
+ /* ---------------------------------------------------------------- */
+
+endmemsetup:
+
+ mov pc, lr
--- /dev/null
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+ . = 0x00000000;
+
+ . = ALIGN(4);
+ .text :
+ {
+ cpu/pxa/start.o (.text)
+ *(.text)
+ }
+
+ . = ALIGN(4);
+ .rodata : { *(.rodata) }
+
+ . = ALIGN(4);
+ .data : { *(.data) }
+
+ . = ALIGN(4);
+ .got : { *(.got) }
+
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+ . = ALIGN(4);
+ __bss_start = .;
+ .bss : { *(.bss) }
+ _end = .;
+}
--- /dev/null
+/*
+ * (C) Copyright 2004
+ * Vincent Dubey, Xa SA, vincent.dubey@xa-ch.com
+ *
+ * (C) Copyright 2002
+ * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@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>
+
+/* ------------------------------------------------------------------------- */
+
+
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+
+int board_init (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ /* memory and cpu-speed are setup before relocation */
+ /* so we do _nothing_ here */
+
+ /* arch number of xaeniax */
+ gd->bd->bi_arch_number = 585;
+
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = 0xa0000100;
+
+ return 0;
+}
+
+int board_late_init(void)
+{
+ setenv("stdout", "serial");
+ setenv("stderr", "serial");
+ 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;
+ /* gd->bd->bi_dram[1].start = PHYS_SDRAM_2;*/
+ /* gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;*/
+ /* gd->bd->bi_dram[2].start = PHYS_SDRAM_3; */
+ /* gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE; */
+ /* gd->bd->bi_dram[3].start = PHYS_SDRAM_4; */
+ /* gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE; */
+
+ return 0;
+}
--- /dev/null
+/*
+ * (C) Copyright 2004
+ * Vincent Dubey, Xa SA, vincent.dubey@xa-ch.com
+ *
+ * (C) Copyright 2002
+ * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.ne
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * Configuation settings for the xaeniax board.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * If we are developing, we might want to start armboot from ram
+ * so we MUST NOT initialize critical regs like mem-timing ...
+ */
+#define CONFIG_INIT_CRITICAL /* undef for developing */
+
+/*
+#undef CONFIG_INIT_CRITICAL
+*/
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+#define CONFIG_PXA250 1 /* This is an PXA255 CPU */
+#define CONFIG_XAENIAX 1 /* on a xaeniax board */
+
+
+#define BOARD_LATE_INIT 1
+
+
+#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
+
+/*
+ * select serial console configuration
+ */
+#define CONFIG_BTUART 1 /* we use BTUART on XAENIAX */
+
+
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+
+#define CONFIG_BAUDRATE 115200
+
+#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } /* valid baudrates */
+
+#define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_DIAG | CFG_CMD_SDRAM & ~CONFIG_CMD_DTT)
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+#define CONFIG_ETHADDR 08:00:3e:26:0a:5b
+#define CONFIG_NETMASK 255.255.255.0
+#define CONFIG_IPADDR 192.168.68.201
+#define CONFIG_SERVERIP 192.168.68.62
+
+#define CONFIG_BOOTDELAY 3
+#define CONFIG_BOOTCOMMAND "bootm 0x00100000"
+#define CONFIG_BOOTARGS "console=ttyS1,115200"
+#define CONFIG_CMDLINE_TAG1 /* enable passing of ATAGs */
+
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CONFIG_KGDB_BAUDRATE 115200 /* speed to run kgdb serial port */
+#define CONFIG_KGDB_SER_INDEX 1 /* which serial port to use */
+#endif
+
+/*
+ * Size of malloc() pool; this lives below the uppermost 128 KiB which are
+ * used for the RAM copy of the uboot code
+ */
+#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024)
+#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CFG_LONGHELP /* undef to save memory */
+#define CFG_HUSH_PARSER 1
+
+#define CFG_PROMPT_HUSH_PS2 "> "
+
+#ifdef CFG_HUSH_PARSER
+#define CFG_PROMPT "u-boot$ " /* Monitor Command Prompt */
+#else
+#define CFG_PROMPT "u-boot=> " /* Monitor Command Prompt */
+#endif
+#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
+#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
+#define CFG_MAXARGS 16 /* max number of command args */
+#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
+#define CFG_DEVICE_NULLDEV 1
+
+#define CFG_MEMTEST_START 0xa0400000 /* memtest works on */
+#define CFG_MEMTEST_END 0xa0800000 /* 4 ... 8 MB in DRAM */
+
+#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
+
+#define CFG_LOAD_ADDR 0xa1000000 /* default load address */
+
+#define CFG_HZ 3686400 /* incrementer freq: 3.6864 MHz */
+#define CFG_CPUSPEED 0x141 /* set core clock to 400/200/100 MHz */
+
+/*
+ * Physical Memory Map
+ */
+#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 banks (partition) of DRAM */
+#define PHYS_SDRAM_1 0xa0000000 /* SDRAM Bank #1 */
+#define PHYS_SDRAM_1_SIZE 0x04000000 /* 64 MB */
+#define PHYS_SDRAM_2 0xa4000000 /* SDRAM Bank #2 */
+#define PHYS_SDRAM_2_SIZE 0x00000000 /* 0 MB */
+#define PHYS_SDRAM_3 0xa8000000 /* SDRAM Bank #3 */
+#define PHYS_SDRAM_3_SIZE 0x00000000 /* 0 MB */
+#define PHYS_SDRAM_4 0xac000000 /* SDRAM Bank #4 */
+#define PHYS_SDRAM_4_SIZE 0x00000000 /* 0 MB */
+
+#define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */
+#define PHYS_FLASH_2 0x04000000 /* Flash Bank #2 */
+#define PHYS_FLASH_SIZE 0x02000000 /* 32 MB */
+#define PHYS_FLASH_BANK_SIZE 0x02000000 /* 32 MB Banks */
+#define PHYS_FLASH_SECT_SIZE 0x00040000 /* 256 KB sectors (x2) */
+
+#define CFG_DRAM_BASE 0xa0000000
+#define CFG_DRAM_SIZE 0x04000000
+
+#define CFG_FLASH_BASE PHYS_FLASH_1
+
+/*
+ * FLASH and environment organization
+ */
+#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
+#define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */
+
+/* timeout values are in ticks */
+#define CFG_FLASH_ERASE_TOUT (25*CFG_HZ) /* Timeout for Flash Erase */
+#define CFG_FLASH_WRITE_TOUT (25*CFG_HZ) /* Timeout for Flash Write */
+
+/* FIXME */
+#define CFG_ENV_IS_IN_FLASH 1
+#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x40000)/* Addr of Environment Sector */
+#define CFG_ENV_SIZE 0x40000 /* Total Size of Environment Sector */
+
+/*
+ * Stack sizes
+ *
+ * The stack sizes are set up in start.S using the settings below
+ */
+#define CONFIG_STACKSIZE (128*1024) /* regular stack */
+#ifdef CONFIG_USE_IRQ
+#define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */
+#define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */
+#endif
+
+/*
+ * SMSC91C111 Network Card
+ */
+#define CONFIG_DRIVER_SMC91111 1
+#define CONFIG_SMC91111_BASE 0x0C00030 /* chip select 3 */
+#define CONFIG_SMC_USE_32_BIT 1 /* 32 bit bus */
+#undef CONFIG_SMC_91111_EXT_PHY /* we use internal phy */
+#undef CONFIG_SHOW_ACTIVITY
+#define CONFIG_NET_RETRY_COUNT 10 /* # of retries */
+
+/*
+ * GPIO settings
+ */
+
+/*
+ * GP05 == nUSBReset is 1
+ * GP10 == CFReset is 1
+ * GP13 == nCFDataEnable is 1
+ * GP14 == nCFAddrEnable is 1
+ * GP15 == nCS1 is 1
+ * GP21 == ComBrdReset is 1
+ * GP24 == SFRM is 1
+ * GP25 == TXD is 1
+ * GP31 == SYNC is 1
+ * GP33 == nCS5 is 1
+ * GP39 == FFTXD is 1
+ * GP41 == RTS is 1
+ * GP43 == BTTXD is 1
+ * GP45 == BTRTS is 1
+ * GP47 == TXD is 1
+ * GP48 == nPOE is 1
+ * GP49 == nPWE is 1
+ * GP50 == nPIOR is 1
+ * GP51 == nPIOW is 1
+ * GP52 == nPCE[1] is 1
+ * GP53 == nPCE[2] is 1
+ * GP54 == nPSKTSEL is 1
+ * GP55 == nPREG is 1
+ * GP78 == nCS2 is 1
+ * GP79 == nCS3 is 1
+ * GP80 == nCS4 is 1
+ * GP82 == NSSPSFRM is 1
+ * GP83 == NSSPTXD is 1
+ */
+#define CFG_GPSR0_VAL 0x8320E420
+#define CFG_GPSR1_VAL 0x00FFAA82
+#define CFG_GPSR2_VAL 0x000DC000
+
+/*
+ * GP03 == LANReset is 0
+ * GP06 == USBWakeUp is 0
+ * GP11 == USBControl is 0
+ * GP12 == Buzzer is 0
+ * GP16 == PWM0 is 0
+ * GP17 == PWM1 is 0
+ * GP23 == SCLK is 0
+ * GP30 == SDATA_OUT is 0
+ * GP81 == NSSPCLK is 0
+ */
+#define CFG_GPCR0_VAL 0x40C31868
+#define CFG_GPCR1_VAL 0x00000000
+#define CFG_GPCR2_VAL 0x00020000
+
+/*
+ * GP00 == CPUWakeUpUSB is input
+ * GP01 == GP reset is input
+ * GP02 == LANInterrupt is input
+ * GP03 == LANReset is output
+ * GP04 == USBInterrupt is input
+ * GP05 == nUSBReset is output
+ * GP06 == USBWakeUp is output
+ * GP07 == CFReady/nBusy is input
+ * GP08 == nCFCardDetect1 is input
+ * GP09 == nCFCardDetect2 is input
+ * GP10 == nCFReset is output
+ * GP11 == USBControl is output
+ * GP12 == Buzzer is output
+ * GP13 == CFDataEnable is output
+ * GP14 == CFAddressEnable is output
+ * GP15 == nCS1 is output
+ * GP16 == PWM0 is output
+ * GP17 == PWM1 is output
+ * GP18 == RDY is input
+ * GP19 == ReaderReady is input
+ * GP20 == ReaderReset is input
+ * GP21 == ComBrdReset is output
+ * GP23 == SCLK is output
+ * GP24 == SFRM is output
+ * GP25 == TXD is output
+ * GP26 == RXD is input
+ * GP27 == EXTCLK is input
+ * GP28 == BITCLK is output
+ * GP29 == SDATA_IN0 is input
+ * GP30 == SDATA_OUT is output
+ * GP31 == SYNC is output
+ * GP32 == SYSSCLK is output
+ * GP33 == nCS5 is output
+ * GP34 == FFRXD is input
+ * GP35 == CTS is input
+ * GP36 == DCD is input
+ * GP37 == DSR is input
+ * GP38 == RI is input
+ * GP39 == FFTXD is output
+ * GP40 == DTR is output
+ * GP41 == RTS is output
+ * GP42 == BTRXD is input
+ * GP43 == BTTXD is output
+ * GP44 == BTCTS is input
+ * GP45 == BTRTS is output
+ * GP46 == RXD is input
+ * GP47 == TXD is output
+ * GP48 == nPOE is output
+ * GP49 == nPWE is output
+ * GP50 == nPIOR is output
+ * GP51 == nPIOW is output
+ * GP52 == nPCE[1] is output
+ * GP53 == nPCE[2] is output
+ * GP54 == nPSKTSEL is output
+ * GP55 == nPREG is output
+ * GP56 == nPWAIT is input
+ * GP57 == nPIOS16 is input
+ * GP58 == LDD[0] is output
+ * GP59 == LDD[1] is output
+ * GP60 == LDD[2] is output
+ * GP61 == LDD[3] is output
+ * GP62 == LDD[4] is output
+ * GP63 == LDD[5] is output
+ * GP64 == LDD[6] is output
+ * GP65 == LDD[7] is output
+ * GP66 == LDD[8] is output
+ * GP67 == LDD[9] is output
+ * GP68 == LDD[10] is output
+ * GP69 == LDD[11] is output
+ * GP70 == LDD[12] is output
+ * GP71 == LDD[13] is output
+ * GP72 == LDD[14] is output
+ * GP73 == LDD[15] is output
+ * GP74 == LCD_FCLK is output
+ * GP75 == LCD_LCLK is output
+ * GP76 == LCD_PCLK is output
+ * GP77 == LCD_ACBIAS is output
+ * GP78 == nCS2 is output
+ * GP79 == nCS3 is output
+ * GP80 == nCS4 is output
+ * GP81 == NSSPCLK is output
+ * GP82 == NSSPSFRM is output
+ * GP83 == NSSPTXD is output
+ * GP84 == NSSPRXD is input
+ */
+#define CFG_GPDR0_VAL 0xD3E3FC68
+#define CFG_GPDR1_VAL 0xFCFFAB83
+#define CFG_GPDR2_VAL 0x000FFFFF
+
+/*
+ * GP01 == GP reset is AF01
+ * GP15 == nCS1 is AF10
+ * GP16 == PWM0 is AF10
+ * GP17 == PWM1 is AF10
+ * GP18 == RDY is AF01
+ * GP23 == SCLK is AF10
+ * GP24 == SFRM is AF10
+ * GP25 == TXD is AF10
+ * GP26 == RXD is AF01
+ * GP27 == EXTCLK is AF01
+ * GP28 == BITCLK is AF01
+ * GP29 == SDATA_IN0 is AF10
+ * GP30 == SDATA_OUT is AF01
+ * GP31 == SYNC is AF01
+ * GP32 == SYSCLK is AF01
+ * GP33 == nCS5 is AF10
+ * GP34 == FFRXD is AF01
+ * GP35 == CTS is AF01
+ * GP36 == DCD is AF01
+ * GP37 == DSR is AF01
+ * GP38 == RI is AF01
+ * GP39 == FFTXD is AF10
+ * GP40 == DTR is AF10
+ * GP41 == RTS is AF10
+ * GP42 == BTRXD is AF01
+ * GP43 == BTTXD is AF10
+ * GP44 == BTCTS is AF01
+ * GP45 == BTRTS is AF10
+ * GP46 == RXD is AF10
+ * GP47 == TXD is AF01
+ * GP48 == nPOE is AF10
+ * GP49 == nPWE is AF10
+ * GP50 == nPIOR is AF10
+ * GP51 == nPIOW is AF10
+ * GP52 == nPCE[1] is AF10
+ * GP53 == nPCE[2] is AF10
+ * GP54 == nPSKTSEL is AF10
+ * GP55 == nPREG is AF10
+ * GP56 == nPWAIT is AF01
+ * GP57 == nPIOS16 is AF01
+ * GP58 == LDD[0] is AF10
+ * GP59 == LDD[1] is AF10
+ * GP60 == LDD[2] is AF10
+ * GP61 == LDD[3] is AF10
+ * GP62 == LDD[4] is AF10
+ * GP63 == LDD[5] is AF10
+ * GP64 == LDD[6] is AF10
+ * GP65 == LDD[7] is AF10
+ * GP66 == LDD[8] is AF10
+ * GP67 == LDD[9] is AF10
+ * GP68 == LDD[10] is AF10
+ * GP69 == LDD[11] is AF10
+ * GP70 == LDD[12] is AF10
+ * GP71 == LDD[13] is AF10
+ * GP72 == LDD[14] is AF10
+ * GP73 == LDD[15] is AF10
+ * GP74 == LCD_FCLK is AF10
+ * GP75 == LCD_LCLK is AF10
+ * GP76 == LCD_PCLK is AF10
+ * GP77 == LCD_ACBIAS is AF10
+ * GP78 == nCS2 is AF10
+ * GP79 == nCS3 is AF10
+ * GP80 == nCS4 is AF10
+ * GP81 == NSSPCLK is AF01
+ * GP82 == NSSPSFRM is AF01
+ * GP83 == NSSPTXD is AF01
+ * GP84 == NSSPRXD is AF10
+ */
+#define CFG_GAFR0_L_VAL 0x80000004
+#define CFG_GAFR0_U_VAL 0x595A801A
+#define CFG_GAFR1_L_VAL 0x699A9559
+#define CFG_GAFR1_U_VAL 0xAAA5AAAA
+#define CFG_GAFR2_L_VAL 0xAAAAAAAA
+#define CFG_GAFR2_U_VAL 0x00000256
+
+/*
+ * clock settings
+ */
+/* RDH = 1
+ * PH = 0
+ * VFS = 0
+ * BFS = 0
+ * SSS = 0
+ */
+#define CFG_PSSR_VAL 0x00000030
+
+#define CFG_CKEN_VAL 0x00000080 /* */
+#define CFG_ICMR_VAL 0x00000000 /* No interrupts enabled */
+
+
+/*
+ * Memory settings
+ *
+ * This is the configuration for nCS0/1 -> flash banks
+ * configuration for nCS1 :
+ * [31] 0 -
+ * [30:28] 000 -
+ * [27:24] 0000 -
+ * [23:20] 0000 -
+ * [19] 0 -
+ * [18:16] 000 -
+ * configuration for nCS0:
+ * [15] 0 - Slower Device
+ * [14:12] 010 - CS deselect to CS time: 2*(2*MemClk) = 40 ns
+ * [11:08] 0011 - Address to data valid in bursts: (3+1)*MemClk = 40 ns
+ * [07:04] 1111 - " for first access: (23+2)*MemClk = 250 ns (fixme 12+2?)
+ * [03] 0 - 32 Bit bus width
+ * [02:00] 010 - burst OF 4 ROM or FLASH
+*/
+#define CFG_MSC0_VAL 0x000023D2
+
+/* This is the configuration for nCS2/3 -> USB controller, LAN
+ * configuration for nCS3: LAN
+ * [31] 0 - Slower Device
+ * [30:28] 001 - RRR3: CS deselect to CS time: 1*(2*MemClk) = 20 ns
+ * [27:24] 0010 - RDN3: Address to data valid in bursts: (2+1)*MemClk = 30 ns
+ * [23:20] 0010 - RDF3: Address for first access: (2+1)*MemClk = 30 ns
+ * [19] 0 - 32 Bit bus width
+ * [18:16] 100 - variable latency I/O
+ * configuration for nCS2: USB
+ * [15] 1 - Faster Device
+ * [14:12] 010 - RRR2: CS deselect to CS time: 2*(2*MemClk) = 40 ns
+ * [11:08] 0010 - RDN2: Address to data valid in bursts: (2+1)*MemClk = 30 ns
+ * [07:04] 0110 - RDF2: Address for first access: (6+1)*MemClk = 70 ns
+ * [03] 0 - 32 Bit bus width
+ * [02:00] 100 - variable latency I/O
+ */
+#define CFG_MSC1_VAL 0x1224A264
+
+/* This is the configuration for nCS4/5 -> LAN
+ * configuration for nCS5:
+ * [31] 0 -
+ * [30:28] 000 -
+ * [27:24] 0000 -
+ * [23:20] 0000 -
+ * [19] 0 -
+ * [18:16] 000 -
+ * configuration for nCS4: LAN
+ * [15] 1 - Faster Device
+ * [14:12] 010 - RRR2: CS deselect to CS time: 2*(2*MemClk) = 40 ns
+ * [11:08] 0010 - RDN2: Address to data valid in bursts: (2+1)*MemClk = 30 ns
+ * [07:04] 0110 - RDF2: Address for first access: (6+1)*MemClk = 70 ns
+ * [03] 0 - 32 Bit bus width
+ * [02:00] 100 - variable latency I/O
+ */
+#define CFG_MSC2_VAL 0x00001224
+
+/* MDCNFG: SDRAM Configuration Register
+ *
+ * [31:29] 000 - reserved
+ * [28] 0 - no SA1111 compatiblity mode
+ * [27] 0 - latch return data with return clock
+ * [26] 0 - alternate addressing for pair 2/3
+ * [25:24] 00 - timings
+ * [23] 0 - internal banks in lower partition 2/3 (not used)
+ * [22:21] 00 - row address bits for partition 2/3 (not used)
+ * [20:19] 00 - column address bits for partition 2/3 (not used)
+ * [18] 0 - SDRAM partition 2/3 width is 32 bit
+ * [17] 0 - SDRAM partition 3 disabled
+ * [16] 0 - SDRAM partition 2 disabled
+ * [15:13] 000 - reserved
+ * [12] 0 - no SA1111 compatiblity mode
+ * [11] 1 - latch return data with return clock
+ * [10] 0 - no alternate addressing for pair 0/1
+ * [09:08] 10 - tRP=2*MemClk CL=2 tRCD=2*MemClk tRAS=5*MemClk tRC=8*MemClk
+ * [7] 1 - 4 internal banks in lower partition pair
+ * [06:05] 10 - 13 row address bits for partition 0/1
+ * [04:03] 01 - 9 column address bits for partition 0/1
+ * [02] 0 - SDRAM partition 0/1 width is 32 bit
+ * [01] 0 - disable SDRAM partition 1
+ * [00] 1 - enable SDRAM partition 0
+ */
+/* use the configuration above but disable partition 0 */
+#define CFG_MDCNFG_VAL 0x00000AC9
+
+/* MDREFR: SDRAM Refresh Control Register
+ *
+ * [32:26] 0 - reserved
+ * [25] 0 - K2FREE: not free running
+ * [24] 0 - K1FREE: not free running
+ * [23] 0 - K0FREE: not free running
+ * [22] 0 - SLFRSH: self refresh disabled
+ * [21] 0 - reserved
+ * [20] 1 - APD: auto power down
+ * [19] 0 - K2DB2: SDCLK2 is MemClk
+ * [18] 0 - K2RUN: disable SDCLK2
+ * [17] 0 - K1DB2: SDCLK1 is MemClk
+ * [16] 1 - K1RUN: enable SDCLK1
+ * [15] 1 - E1PIN: SDRAM clock enable
+ * [14] 0 - K0DB2: SDCLK0 is MemClk
+ * [13] 0 - K0RUN: disable SDCLK0
+ * [12] 0 - E0PIN: disable SDCKE0
+ * [11:00] 000000011000 - (64ms/8192)*MemClkFreq/32 = 24
+ */
+#define CFG_MDREFR_VAL 0x00138018 /* mh: was 0x00118018 */
+
+/* MDMRS: Mode Register Set Configuration Register
+ *
+ * [31] 0 - reserved
+ * [30:23] 00000000- MDMRS2: SDRAM2/3 MRS Value. (not used)
+ * [22:20] 011 - MDCL2: SDRAM2/3 Cas Latency. (not used)
+ * [19] 0 - MDADD2: SDRAM2/3 burst Type. Fixed to sequential. (not used)
+ * [18:16] 010 - MDBL2: SDRAM2/3 burst Length. Fixed to 4. (not used)
+ * [15] 0 - reserved
+ * [14:07] 00000000- MDMRS0: SDRAM0/1 MRS Value.
+ * [06:04] 011 - MDCL0: SDRAM0/1 Cas Latency.
+ * [03] 0 - MDADD0: SDRAM0/1 burst Type. Fixed to sequential.
+ * [02:00] 010 - MDBL0: SDRAM0/1 burst Length. Fixed to 4.
+ */
+#define CFG_MDMRS_VAL 0x00320032
+
+/*
+ * PCMCIA and CF Interfaces
+ */
+#define CFG_MECR_VAL 0x00000000
+#define CFG_MCMEM0_VAL 0x00010504
+#define CFG_MCMEM1_VAL 0x00010504
+#define CFG_MCATT0_VAL 0x00010504
+#define CFG_MCATT1_VAL 0x00010504
+#define CFG_MCIO0_VAL 0x00004715
+#define CFG_MCIO1_VAL 0x00004715
+
+
+#endif /* __CONFIG_H */
projects / karo-tx-uboot.git / commitdiff