summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--board/zylonite/Makefile48
-rw-r--r--board/zylonite/config.mk4
-rw-r--r--board/zylonite/flash.c431
-rw-r--r--board/zylonite/lowlevel_init.S266
-rw-r--r--board/zylonite/u-boot.lds56
-rw-r--r--board/zylonite/zylonite.c75
-rw-r--r--include/configs/zylonite.h242
7 files changed, 1122 insertions, 0 deletions
diff --git a/board/zylonite/Makefile b/board/zylonite/Makefile
new file mode 100644
index 0000000..999647f
--- /dev/null
+++ b/board/zylonite/Makefile
@@ -0,0 +1,48 @@
+
+#
+# (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 := zylonite.o flash.o
+SOBJS := lowlevel_init.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
+
+#########################################################################
diff --git a/board/zylonite/config.mk b/board/zylonite/config.mk
new file mode 100644
index 0000000..09b0f71
--- /dev/null
+++ b/board/zylonite/config.mk
@@ -0,0 +1,4 @@
+#TEXT_BASE = 0x0
+#TEXT_BASE = 0xa1700000
+#TEXT_BASE = 0xa3080000
+TEXT_BASE = 0xa3008000
diff --git a/board/zylonite/flash.c b/board/zylonite/flash.c
new file mode 100644
index 0000000..ba82892
--- /dev/null
+++ b/board/zylonite/flash.c
@@ -0,0 +1,431 @@
+/*
+ * (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;
+}
diff --git a/board/zylonite/lowlevel_init.S b/board/zylonite/lowlevel_init.S
new file mode 100644
index 0000000..54c2adf
--- /dev/null
+++ b/board/zylonite/lowlevel_init.S
@@ -0,0 +1,266 @@
+/*
+ * 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/lowlevel_init.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
+
+
+/*
+ * Memory setup
+ */
+
+.globl lowlevel_init
+lowlevel_init:
+ /* Set up GPIO pins first ----------------------------------------- */
+ mov r10, lr
+
+ /* GPIO41, 42, 43, 44, 45, 46, 47, 48 */
+ ldr r0, =0x40E10438 @ GPIO41 FFRXD
+ ldr r1, =0x802
+ str r1, [r0]
+
+ ldr r0, =0x40E1043C @ GPIO42 FFTXD
+ ldr r1, =0x802
+ str r1, [r0]
+
+ ldr r0, =0x40E10440 @ GPIO43 FFCTS
+ ldr r1, =0x802
+ str r1, [r0]
+
+ ldr r0, =0x40E10444 @ GPIO 44 FFDCD
+ ldr r1, =0x802
+ str r1, [r0]
+
+ ldr r0, =0x40E10448 @ GPIO 45 FFDSR
+ ldr r1, =0x802
+ str r1, [r0]
+
+ ldr r0, =0x40E1044C @ GPIO 46 FFRI
+ ldr r1, =0x802
+ str r1, [r0]
+
+ ldr r0, =0x40E10450 @ GPIO 47 FFDTR
+ ldr r1, =0x802
+ str r1, [r0]
+
+ ldr r0, =0x40E10454 @ GPIO 48
+ ldr r1, =0x802
+ str r1, [r0]
+
+ /* tebrandt - ASCR, clear the RDH bit */
+ ldr r0, =ASCR
+ ldr r1, [r0]
+ bic r1, r1, #0x80000000
+ 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:
+
+ /* configure the MEMCLKCFG register */
+ ldr r1, =MEMCLKCFG
+ ldr r2, =0x00010001
+ str r2, [r1] @ WRITE
+ ldr r2, [r1] @ DELAY UNTIL WRITTEN
+
+ /* set CSADRCFG[0] to data flash SRAM mode */
+ ldr r1, =CSADRCFG0
+ ldr r2, =0x00320809
+ str r2, [r1] @ WRITE
+ ldr r2, [r1] @ DELAY UNTIL WRITTEN
+
+ /* set CSADRCFG[1] to data flash SRAM mode */
+ ldr r1, =CSADRCFG1
+ ldr r2, =0x00320809
+ str r2, [r1] @ WRITE
+ ldr r2, [r1] @ DELAY UNTIL WRITTEN
+
+ /* set MSC 0 register for SRAM memory */
+ ldr r1, =MSC0
+ ldr r2, =0x11191119
+ str r2, [r1] @ WRITE
+ ldr r2, [r1] @ DELAY UNTIL WRITTEN
+
+ /* set CSADRCFG[2] to data flash SRAM mode */
+ ldr r1, =CSADRCFG2
+ ldr r2, =0x00320809
+ str r2, [r1] @ WRITE
+ ldr r2, [r1] @ DELAY UNTIL WRITTEN
+
+ /* set CSADRCFG[3] to VLIO mode */
+ ldr r1, =CSADRCFG3
+ ldr r2, =0x0032080B
+ str r2, [r1] @ WRITE
+ ldr r2, [r1] @ DELAY UNTIL WRITTEN
+
+ /* set MSC 1 register for VLIO memory */
+ ldr r1, =MSC1
+ ldr r2, =0x123C1119
+ str r2, [r1] @ WRITE
+ ldr r2, [r1] @ DELAY UNTIL WRITTEN
+
+#if 0
+ /* This does not work in Zylonite. -SC */
+ ldr r0, =0x15fffff0
+ ldr r1, =0xb10b
+ str r1, [r0]
+ str r1, [r0, #4]
+#endif
+
+ /* Configure ACCR Register */
+ ldr r0, =ACCR @ ACCR
+ ldr r1, =0x0180b108
+ str r1, [r0]
+ ldr r1, [r0]
+
+ /* Configure MDCNFG Register */
+ ldr r0, =MDCNFG @ MDCNFG
+ ldr r1, =0x403
+ str r1, [r0]
+ ldr r1, [r0]
+
+ /* Perform Resistive Compensation by configuring RCOMP register */
+ ldr r1, =RCOMP @ RCOMP
+ ldr r2, =0x000000ff
+ str r2, [r1]
+ ldr r2, [r1]
+
+ /* Configure MDMRS Register for SDCS0 */
+ ldr r1, =MDMRS @ MDMRS
+ ldr r2, =0x60000023
+ ldr r3, [r1]
+ orr r2, r2, r3
+ str r2, [r1]
+ ldr r2, [r1]
+
+ /* Configure MDMRS Register for SDCS1 */
+ ldr r1, =MDMRS @ MDMRS
+ ldr r2, =0xa0000023
+ ldr r3, [r1]
+ orr r2, r2, r3
+ str r2, [r1]
+ ldr r2, [r1]
+
+ /* Configure MDREFR */
+ ldr r1, =MDREFR @ MDREFR
+ ldr r2, =0x00000006
+ str r2, [r1]
+ ldr r2, [r1]
+
+ /* Configure EMPI */
+ ldr r1, =EMPI @ EMPI
+ ldr r2, =0x80000000
+ str r2, [r1]
+ ldr r2, [r1]
+
+ /* DDR Read-Strobe Delay Calibration */
+ /* bl ddr_calibration */
+
+ /* Here we assume the hardware calibration alwasy be successful. -SC */
+ /* Set DMCEN bit in MDCNFG Register */
+ ldr r0, =MDCNFG @ MDCNFG
+ ldr r1, [r0]
+ orr r1, r1, #0x40000000 @ enable SDRAM for Normal Access
+ str r1, [r0]
+
+ /* scrub/init SDRAM if enabled/present */
+ ldr r11, =0xa0000000 //RAM_BASE // base address of SDRAM
+ ldr r12, =0x04000000 // size of memory to scrub
+ mov r8,r12 // save DRAM size
+ mov r0, #0 // scrub with 0x0000:0000
+ mov r1, #0
+ mov r2, #0
+ mov r3, #0
+ mov r4, #0
+ mov r5, #0
+ mov r6, #0
+ mov r7, #0
+10: /* fastScrubLoop */
+ subs r12, r12, #32 // 32 bytes/line
+ stmia r11!, {r0-r7}
+ beq 15f
+ b 10b
+
+15:
+ /* Mask all interrupts */
+ mov r1, #0
+ mcr p6, 0, r1, c1, c0, 0 @ ICMR
+
+ /* 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
+
+
+
+ /* We are finished with Intel's memory controller initialisation */
+
+
+ /* ---------------------------------------------------------------- */
+ /* End lowlevel_init */
+ /* ---------------------------------------------------------------- */
+
+endlowlevel_init:
+
+ mov pc, lr
diff --git a/board/zylonite/u-boot.lds b/board/zylonite/u-boot.lds
new file mode 100644
index 0000000..f010239
--- /dev/null
+++ b/board/zylonite/u-boot.lds
@@ -0,0 +1,56 @@
+/*
+ * (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 = .;
+}
diff --git a/board/zylonite/zylonite.c b/board/zylonite/zylonite.c
new file mode 100644
index 0000000..e618ab9
--- /dev/null
+++ b/board/zylonite/zylonite.c
@@ -0,0 +1,75 @@
+/*
+ * (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 Lubbock-Board */
+ gd->bd->bi_arch_number = MACH_TYPE_LUBBOCK;
+
+ /* 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;
+}
diff --git a/include/configs/zylonite.h b/include/configs/zylonite.h
new file mode 100644
index 0000000..99d6a93
--- /dev/null
+++ b/include/configs/zylonite.h
@@ -0,0 +1,242 @@
+/*
+ * (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>
+ *
+ * Configuation settings for the Zylonite 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
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+#define CONFIG_CPU_MONAHANS 1 /* Intel Monahan CPU */
+#define CONFIG_ZYLONITE 1 /* Zylonite board */
+/* #define CONFIG_LCD 1 */
+#ifdef CONFIG_LCD
+#define CONFIG_SHARP_LM8V31
+#endif
+/* #define CONFIG_MMC 1 */
+#define BOARD_LATE_INIT 1
+
+#undef CONFIG_SKIP_RELOCATE_UBOOT
+#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
+
+/*
+ * Size of malloc() pool
+ */
+#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024)
+#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
+
+/*
+ * Hardware drivers
+ */
+/* #define CONFIG_DRIVER_LAN91C96 */
+/* #define CONFIG_LAN91C96_BASE 0x0C000000 */
+
+/*
+ * select serial console configuration
+ */
+#define CONFIG_FFUART 1 /* we use FFUART on LUBBOCK */
+
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+
+#define CONFIG_BAUDRATE 115200
+
+/* #define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_MMC | CFG_CMD_FAT) */
+#define CONFIG_COMMANDS (CONFIG_CMD_DFL & ~CFG_CMD_REISER & ~CFG_CMD_NET)
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+#define CONFIG_BOOTDELAY 3
+#define CONFIG_ETHADDR 08:00:3e:26:0a:5b
+#define CONFIG_NETMASK 255.255.0.0
+#define CONFIG_IPADDR 192.168.0.21
+#define CONFIG_SERVERIP 192.168.0.250
+#define CONFIG_BOOTCOMMAND "bootm 80000"
+#define CONFIG_BOOTARGS "root=/dev/mtdblock2 rootfstype=cramfs console=ttyS0,115200"
+#define CONFIG_CMDLINE_TAG
+#define CONFIG_TIMESTAMP
+
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
+#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
+#endif
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CFG_HUSH_PARSER 1
+#define CFG_PROMPT_HUSH_PS2 "> "
+
+#define CFG_LONGHELP /* undef to save memory */
+#ifdef CFG_HUSH_PARSER
+#define CFG_PROMPT "$ " /* Monitor Command Prompt */
+#else
+#define CFG_PROMPT "=> " /* 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 (CFG_DRAM_BASE + 0x8000) /* default load address */
+
+#define CFG_HZ 3686400 /* incrementer freq: 3.6864 MHz */
+#define CFG_CPUSPEED 0x161 /* set core clock to 400/200/100 MHz */
+
+ /* valid baudrates */
+#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
+
+/* #define CFG_MMC_BASE 0xF0000000 */
+
+/*
+ * 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
+
+/*
+ * Physical Memory Map
+ */
+#define CONFIG_NR_DRAM_BANKS 4 /* we have 2 banks 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
+
+#define FPGA_REGS_BASE_PHYSICAL 0x08000000
+
+/*
+ * GPIO settings
+ */
+#define CFG_GPSR0_VAL 0x00008000
+#define CFG_GPSR1_VAL 0x00FC0382
+#define CFG_GPSR2_VAL 0x0001FFFF
+#define CFG_GPCR0_VAL 0x00000000
+#define CFG_GPCR1_VAL 0x00000000
+#define CFG_GPCR2_VAL 0x00000000
+#define CFG_GPDR0_VAL 0x0060A800
+#define CFG_GPDR1_VAL 0x00FF0382
+#define CFG_GPDR2_VAL 0x0001C000
+#define CFG_GAFR0_L_VAL 0x98400000
+#define CFG_GAFR0_U_VAL 0x00002950
+#define CFG_GAFR1_L_VAL 0x000A9558
+#define CFG_GAFR1_U_VAL 0x0005AAAA
+#define CFG_GAFR2_L_VAL 0xA0000000
+#define CFG_GAFR2_U_VAL 0x00000002
+
+#define CFG_PSSR_VAL 0x20
+
+/*
+ * Memory settings
+ */
+#define CFG_MSC0_VAL 0x23F223F2
+#define CFG_MSC1_VAL 0x3FF1A441
+#define CFG_MSC2_VAL 0x7FF97FF1
+#define CFG_MDCNFG_VAL 0x00001AC9
+#define CFG_MDREFR_VAL 0x00018018
+#define CFG_MDMRS_VAL 0x00000000
+
+/*
+ * 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
+
+#define _LED 0x08000010
+#define LED_BLANK 0x08000040
+
+/*
+ * FLASH and environment organization
+ */
+#define CFG_MAX_FLASH_BANKS 2 /* 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 */
+
+/* NOTE: many default partitioning schemes assume the kernel starts at the
+ * second sector, not an environment. You have been warned!
+ */
+#define CFG_MONITOR_LEN PHYS_FLASH_SECT_SIZE
+#define CFG_ENV_IS_IN_FLASH 1
+#define CFG_ENV_ADDR (PHYS_FLASH_1 + PHYS_FLASH_SECT_SIZE)
+#define CFG_ENV_SECT_SIZE PHYS_FLASH_SECT_SIZE
+#define CFG_ENV_SIZE (PHYS_FLASH_SECT_SIZE / 16)
+
+
+/*
+ * FPGA Offsets
+ */
+#define WHOAMI_OFFSET 0x00
+#define HEXLED_OFFSET 0x10
+#define BLANKLED_OFFSET 0x40
+#define DISCRETELED_OFFSET 0x40
+#define CNFG_SWITCHES_OFFSET 0x50
+#define USER_SWITCHES_OFFSET 0x60
+#define MISC_WR_OFFSET 0x80
+#define MISC_RD_OFFSET 0x90
+#define INT_MASK_OFFSET 0xC0
+#define INT_CLEAR_OFFSET 0xD0
+#define GP_OFFSET 0x100
+
+#endif /* __CONFIG_H */
generated by cgit v1.1 at 2024-11-25 01:31:10 +0000