Add Vibren (was Accelent) PXA255 IDP Support
Patch by Cliff Brake, 04 Feb 2005
diff --git a/board/pxa255_idp/Makefile b/board/pxa255_idp/Makefile
new file mode 100644
index 0000000..b5f352a
--- /dev/null
+++ b/board/pxa255_idp/Makefile
@@ -0,0 +1,48 @@
+
+#
+# (C) Copyright 2000-2005
+# 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 := pxa_idp.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
+
+#########################################################################
diff --git a/board/pxa255_idp/README b/board/pxa255_idp/README
new file mode 100644
index 0000000..0cc2f2a
--- /dev/null
+++ b/board/pxa255_idp/README
@@ -0,0 +1,11 @@
+Tested:
+
+- MMC
+- Ethernet
+- BL console (on serial port connector J5)
+- flash support
+
+Todo:
+
+- display support
+- PCMCIA support
diff --git a/board/pxa255_idp/config.mk b/board/pxa255_idp/config.mk
new file mode 100644
index 0000000..d2a2040
--- /dev/null
+++ b/board/pxa255_idp/config.mk
@@ -0,0 +1,3 @@
+#TEXT_BASE = 0xa1700000
+TEXT_BASE = 0xa3000000
+#TEXT_BASE = 0
diff --git a/board/pxa255_idp/idp_notes.txt b/board/pxa255_idp/idp_notes.txt
new file mode 100644
index 0000000..4746748
--- /dev/null
+++ b/board/pxa255_idp/idp_notes.txt
@@ -0,0 +1,46 @@
+Notes on the Vibren PXA255 IDP.
+
+Chip select usage:
+
+CS0 - flash
+CS1 - alt flash (Mdoc or main flash)
+CS2 - high speed expansion bus
+CS3 - Media Q, low speed exp bus
+CS4 - low speed exp bus
+CS5 - low speed exp bus
+ - IDE: offset 0x03000000 (abs: 0x17000000)
+ - Eth: offset 0x03400000 (abs: 0x17400000)
+ - core voltage latch: offset 0x03800000 (abs: 0x17800000)
+ - CPLD: offset 0x03C00000 (abs: 0x17C00000)
+
+PCMCIA Power control
+
+MAX1602EE w/ code pulled high (Cirrus code)
+vx = 5v
+vy = 3v
+
+ Bit pattern
+ PWR 3,2,1,0
+vcc vpp A1VCC A0VCC A1VPP A0VPP
+=====================================================
+0 0 0 0 0 0 0x0
+3 (vy) 0 1 0 1 1 0xB
+3 (vy) 3 (vy) 1 0 0 1 0x9
+3 (vy) 12(12in) 1 0 1 0 0xA
+5 (vx) 0 0 1 1 1 0x7
+5 (vx) 5 (vx) 0 1 0 1 0x5
+5 (vx 12(12in) 0 1 1 0 0x6
+
+Display power sequencing:
+
+- VDD applied
+- within 1sec, activate scanning signals
+- wait at least 50mS - scanning signals must be active before activating DISP
+
+Signal mapping:
+Schematic LV8V31 signal name
+=========================================
+LCD_ENAVLCD DISP
+LCD_PWR Applies VDD to board
+
+Both of the above signals are controlled by the CPLD
diff --git a/board/pxa255_idp/memsetup.S b/board/pxa255_idp/memsetup.S
new file mode 100644
index 0000000..7e485a2
--- /dev/null
+++ b/board/pxa255_idp/memsetup.S
@@ -0,0 +1,496 @@
+/*
+ * 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
+
+/*
+ * Memory setup
+ */
+.globl memsetup
+memsetup:
+
+ mov r10, lr
+
+#ifdef DEBUG_BLINK_ENABLE
+ /* 3rd blink */
+ bl blink
+#endif
+
+ /* 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]
+
+#ifdef DEBUG_BLINK_ENABLE
+ /* 4th debug blink */
+ bl blink
+#endif
+
+ /* ---------------------------------------------------------------- */
+ /* 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 */
+ /* that 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]
+
+#ifdef DEBUG_BLINK_ENABLE
+ /* 5th blink */
+ bl blink
+#endif
+
+ /* ---------------------------------------------------------------- */
+ /* Step 2c: Write FLYCNFG FIXME: what's that??? */
+ /* ---------------------------------------------------------------- */
+
+ /* ---------------------------------------------------------------- */
+ /* Step 2d: Initialize Timing for Sync Memory (SDCLK0) */
+ /* ---------------------------------------------------------------- */
+
+ /* Before accessing MDREFR we need a valid DRI field, so we set */
+ /* this to power on defaults + DRI field. */
+
+ ldr r3, =CFG_MDREFR_VAL
+ ldr r2, =0xFFF
+ and r3, r3, r2
+ ldr r4, =0x03ca4000
+ orr r4, r4, r3
+ str r4, [r1, #MDREFR_OFFSET] /* write back MDREFR */
+ ldr r4, [r1, #MDREFR_OFFSET]
+
+ /* Note: preserve the mdrefr value in r4 */
+
+ /* ---------------------------------------------------------------- */
+ /* 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 MDREFR according to user define with exception of a few bits */
+
+ ldr r4, =CFG_MDREFR_VAL
+ orr r4, r4, #(MDREFR_SLFRSH)
+ bic r4, r4, #(MDREFR_E1PIN|MDREFR_E0PIN)
+ str r4, [r1, #MDREFR_OFFSET] /* write back MDREFR */
+ ldr r4, [r1, #MDREFR_OFFSET]
+
+ /* Step 4b: de-assert MDREFR:SLFRSH. */
+
+ bic r4, r4, #(MDREFR_SLFRSH)
+ str r4, [r1, #MDREFR_OFFSET] /* write back MDREFR */
+ ldr r4, [r1, #MDREFR_OFFSET]
+
+ /* Step 4c: assert MDREFR:E1PIN and E0PIO as desired */
+
+ ldr r4, =CFG_MDREFR_VAL
+ str r4, [r1, #MDREFR_OFFSET] /* write back MDREFR */
+ ldr r4, [r1, #MDREFR_OFFSET]
+
+
+ /* Step 4d: write MDCNFG with MDCNFG:DEx deasserted (set to 0), to */
+ /* configure but not enable each SDRAM partition pair. */
+
+ ldr r4, =CFG_MDCNFG_VAL
+ bic r4, r4, #(MDCNFG_DE0|MDCNFG_DE1)
+
+ str r4, [r1, #MDCNFG_OFFSET] /* write back MDCNFG */
+ ldr r4, [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]
+
+ /* Step 4g: Write MDCNFG with enable bits asserted */
+ /* (MDCNFG:DEx set to 1). */
+
+ ldr r3, [r1, #MDCNFG_OFFSET]
+ orr r3, r3, #(MDCNFG_DE0|MDCNFG_DE1)
+ 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 */
+#if 0
+ /* FIXME turn on serial ports */
+ /* look into moving this to board_init() */
+ ldr r2, =(PXA_CS5_PHYS + 0x03C0002c)
+ mov r3, #0x13
+ str r3, [r2]
+#endif
+
+#ifdef DEBUG_BLINK_ENABLE
+ /* 6th blink */
+ bl blink
+#endif
+
+ /* ---------------------------------------------------------------- */
+ /* 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 r2, =ICMR /* mask all interrupts at the controller */
+ 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 */
+#if 0
+ ldr r1, =CKEN
+ mov r2, #0
+ str r2, [r1]
+
+ /* default value in case no valid rotary switch setting is found */
+ 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]
+
+#endif
+
+#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
+
+ /* ---------------------------------------------------------------- */
+ /* */
+ /* ---------------------------------------------------------------- */
+
+ /* Save SDRAM size */
+ ldr r1, =DRAM_SIZE
+ str r8, [r1]
+
+ /* Interrupt init: Mask all interrupts */
+ ldr r0, =ICMR /* enable no sources */
+ mov r1, #0
+ str r1, [r0]
+
+ /* 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 */
+ /* ---------------------------------------------------------------- */
+
+#ifdef DEBUG_BLINK_ENABLE
+ /* 7th blink */
+ bl blink
+#endif
+
+endmemsetup:
+
+ mov pc, r10
+
+
+#ifdef DEBUG_BLINK_ENABLE
+
+/* debug LED code */
+
+/* delay about 200ms */
+delay:
+
+ /* reset OSCR to 0 */
+ ldr r8, =OSCR
+ mov r9, #0
+ str r9, [r8]
+
+ /* make sure new value has stuck */
+1:
+ ldr r8, =OSCR
+ ldr r9, [r8]
+ mov r8, #0x10000
+ cmp r9, r8
+ bgt 1b
+
+ /* now, wait for delay to expire */
+1:
+ ldr r8, =OSCR
+ ldr r9, [r8]
+ mov r8, #0xd4000
+ cmp r8, r9
+ bgt 1b
+
+ mov pc, lr
+
+/* blink code -- trashes r7, r8, r9 */
+
+.globl blink
+blink:
+
+ mov r7, lr
+
+ /* set GPIO10 as outout */
+ ldr r8, =GPDR0
+ ldr r9, [r8]
+ orr r9, r9, #(1<<10)
+ str r9, [r8]
+
+ /* turn LED off */
+ mov r9, #(1<<10)
+ ldr r8, =GPCR0
+ str r9, [r8]
+ bl delay
+
+ /* turn LED on */
+ mov r9, #(1<<10)
+ ldr r8, =GPSR0
+ str r9, [r8]
+ bl delay
+
+ /* turn LED off */
+ mov r9, #(1<<10)
+ ldr r8, =GPCR0
+ str r9, [r8]
+
+ mov pc, r7
+
+#endif
diff --git a/board/pxa255_idp/pxa_idp.c b/board/pxa255_idp/pxa_idp.c
new file mode 100644
index 0000000..d5b993a
--- /dev/null
+++ b/board/pxa255_idp/pxa_idp.c
@@ -0,0 +1,140 @@
+/*
+ * (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>
+ *
+ * (C) Copyright 2004
+ * BEC Systems <http://bec-systems.com>
+ * Cliff Brake <cliff.brake@gmail.com>
+ * Support for Accelent/Vibren PXA255 IDP
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <command.h>
+
+/* ------------------------------------------------------------------------- */
+
+
+/*
+ * 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_PXA_IDP;
+
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = 0xa0000100;
+
+ /* turn on serial ports */
+ *(volatile unsigned int *)(PXA_CS5_PHYS + 0x03C0002c) = 0x13;
+
+ /* set PWM for LCD */
+ /* a value that works is 60Hz, 77% duty cycle */
+ CKEN |= CKEN0_PWM0;
+ PWM_CTRL0 = 0x3f;
+ PWM_PERVAL0 = 0x3ff;
+ PWM_PWDUTY0 = 792;
+
+ /* clear reset to AC97 codec */
+ CKEN |= CKEN2_AC97;
+ GCR = GCR_COLD_RST;
+
+ /* enable LCD backlight */
+ /* *(volatile unsigned int *)(PXA_CS5_PHYS + 0x03C00030) = 0x7; */
+
+ /* test display */
+ /* lcd_puts("This is a test\nTest #2\n"); */
+
+ 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;
+}
+
+
+#ifdef DEBUG_BLINKC_ENABLE
+
+void delay_c(void)
+{
+ /* reset OSCR to 0 */
+ OSCR = 0;
+ while(OSCR > 0x10000)
+ ;
+
+ while(OSCR < 0xd4000)
+ ;
+}
+
+void blink_c(void)
+{
+ int led_bit = (1<<10);
+
+ GPDR0 = led_bit;
+ GPCR0 = led_bit;
+ delay_c();
+ GPSR0 = led_bit;
+ delay_c();
+ GPCR0 = led_bit;
+}
+
+int do_idpcmd(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ printf("IDPCMD started\n");
+ return 0;
+}
+
+U_BOOT_CMD(idpcmd, CFG_MAXARGS, 0, do_idpcmd,
+ "idpcmd - custom IDP command\n",
+ "no args at this time\n"
+);
+
+#endif
diff --git a/board/pxa255_idp/pxa_reg_calcs.out b/board/pxa255_idp/pxa_reg_calcs.out
new file mode 100644
index 0000000..bda9946
--- /dev/null
+++ b/board/pxa255_idp/pxa_reg_calcs.out
@@ -0,0 +1,119 @@
+gafr0_l: 0x80001005
+gafr0_u: 0xa5128012
+gafr1_l: 0x699a9558
+gafr1_u: 0xaaa5aa6a
+gafr2_l: 0xaaaaaaaa
+gafr2_u: 0x2
+gpcr0: 0x1800400
+gpcr1: 0x0
+gpcr2: 0x0
+gpdr0: 0xc1818440
+gpdr1: 0xfcffab82
+gpdr2: 0x1ffff
+gpsr0: 0x8000
+gpsr1: 0x3f0002
+gpsr2: 0x1c000
+
+
+#define CFG_GAFR0_L_VAL 0x80001005
+#define CFG_GAFR0_U_VAL 0xa5128012
+#define CFG_GAFR1_L_VAL 0x699a9558
+#define CFG_GAFR1_U_VAL 0xaaa5aa6a
+#define CFG_GAFR2_L_VAL 0xaaaaaaaa
+#define CFG_GAFR2_U_VAL 0x2
+#define CFG_GPCR0_VAL 0x1800400
+#define CFG_GPCR1_VAL 0x0
+#define CFG_GPCR2_VAL 0x0
+#define CFG_GPDR0_VAL 0xc1818440
+#define CFG_GPDR1_VAL 0xfcffab82
+#define CFG_GPDR2_VAL 0x1ffff
+#define CFG_GPSR0_VAL 0x8000
+#define CFG_GPSR1_VAL 0x3f0002
+#define CFG_GPSR2_VAL 0x1c000
+
+
+GPIO: 0, dir=0, set=0, clr=0, alt=none, desc=USER_RESET#
+GPIO: 1, dir=0, set=0, clr=0, alt=gpio reset, desc=USER_RESET#
+GPIO: 2, dir=0, set=0, clr=0, alt=gpio, desc=BAT_DATA
+GPIO: 3, dir=0, set=0, clr=0, alt=gpio, desc=MQ_IRQ#
+GPIO: 4, dir=0, set=0, clr=0, alt=gpio, desc=IRQ_ETH
+GPIO: 5, dir=0, set=0, clr=0, alt=gpio, desc=IRQ_TOUCH#
+GPIO: 6, dir=1, set=0, clr=0, alt=MMC clk, desc=MMC_CLK
+GPIO: 7, dir=0, set=0, clr=0, alt=gpio, desc=PCC_S0_CD#
+GPIO: 8, dir=0, set=0, clr=0, alt=gpio, desc=PCC_S1_CD#
+GPIO: 9, dir=0, set=0, clr=0, alt=gpio, desc=MMC_CD#
+GPIO: 10, dir=1, set=0, clr=1, alt=gpio, desc=GPIO_10/RTC_CLK/debug LED
+GPIO: 11, dir=0, set=0, clr=0, alt=gpio, desc=3M6_CLK
+GPIO: 12, dir=0, set=0, clr=0, alt=gpio, desc=GPIO_12/32K_CLK
+GPIO: 13, dir=0, set=0, clr=0, alt=gpio, desc=MBGNT
+GPIO: 14, dir=0, set=0, clr=0, alt=gpio, desc=MBREQ
+GPIO: 15, dir=1, set=1, clr=0, alt=nCS_1, desc=CS1#
+GPIO: 16, dir=1, set=0, clr=0, alt=PWM0, desc=PWM0
+GPIO: 17, dir=0, set=0, clr=0, alt=gpio, desc=IRQ_AXB
+GPIO: 18, dir=0, set=0, clr=0, alt=RDY, desc=RDY
+GPIO: 19, dir=0, set=0, clr=0, alt=gpio, desc=XB_DREQ1, PCC_SO_IRQ_O#
+GPIO: 20, dir=0, set=0, clr=0, alt=gpio, desc=XB_DREQ0
+GPIO: 21, dir=0, set=0, clr=0, alt=gpio, desc=IRQ_IDE, PFI
+GPIO: 22, dir=0, set=0, clr=0, alt=gpio, desc=Consumer IR, PCC_S1_IRQ_O#
+GPIO: 23, dir=1, set=0, clr=1, alt=SSP SCLK, desc=SSP_SCLK
+GPIO: 24, dir=1, set=0, clr=1, alt=SSP SFRM, desc=SSP_SFRM
+GPIO: 25, dir=0, set=0, clr=0, alt=gpio, desc=SSP_TXD
+GPIO: 26, dir=0, set=0, clr=0, alt=SSP RXD, desc=SSP_RXD
+GPIO: 27, dir=0, set=0, clr=0, alt=gpio, desc=SSP_EXTCLK
+GPIO: 28, dir=0, set=0, clr=0, alt=AC97 bitclk in, I2S bitclock out, desc=AC_BITCLK
+GPIO: 29, dir=0, set=0, clr=0, alt=AC97 SDATA_IN0, desc=AUD_SDIN0
+GPIO: 30, dir=1, set=0, clr=0, alt=AC97 SDATA_OUT, desc=AC_SDOUT
+GPIO: 31, dir=1, set=0, clr=0, alt=AC97 SYNC, desc=AC_SYNC
+GPIO: 32, dir=0, set=0, clr=0, alt=gpio, desc=AUD_SDIN1
+GPIO: 33, dir=1, set=1, clr=0, alt=nCS_5, desc=CS5#
+GPIO: 34, dir=0, set=0, clr=0, alt=FF RXD, desc=FF_RXD
+GPIO: 35, dir=0, set=0, clr=0, alt=FF CTS, desc=FF_CTS
+GPIO: 36, dir=0, set=0, clr=0, alt=FF DCD, desc=FF_DCD
+GPIO: 37, dir=0, set=0, clr=0, alt=FF DSR, desc=FF_DSR
+GPIO: 38, dir=0, set=0, clr=0, alt=FF RI, desc=FF_RI
+GPIO: 39, dir=1, set=0, clr=0, alt=FF TXD, desc=FF_TXD
+GPIO: 40, dir=1, set=0, clr=0, alt=FF DTR, desc=FF_DTR
+GPIO: 41, dir=1, set=0, clr=0, alt=FF RTS, desc=FF_RTS
+GPIO: 42, dir=0, set=0, clr=0, alt=BT RXD, desc=BT_RXD
+GPIO: 43, dir=1, set=0, clr=0, alt=BT TXD, desc=BT_TXD
+GPIO: 44, dir=0, set=0, clr=0, alt=BT CTS, desc=BT_CTS
+GPIO: 45, dir=1, set=0, clr=0, alt=BT RTS, desc=BT_RTS
+GPIO: 46, dir=0, set=0, clr=0, alt=STD RXD, desc=IR_RXD
+GPIO: 47, dir=1, set=0, clr=0, alt=STD TXD, desc=IR_TXD
+GPIO: 48, dir=1, set=1, clr=0, alt=nPOE, desc=PCC_OE#
+GPIO: 49, dir=1, set=1, clr=0, alt=nPWE, desc=PCC_WE#
+GPIO: 50, dir=1, set=1, clr=0, alt=nPIOR, desc=PCC_IOR#
+GPIO: 51, dir=1, set=1, clr=0, alt=nPIOW, desc=PCC_IOW#
+GPIO: 52, dir=1, set=1, clr=0, alt=nPCE[1], desc=PCC_CE1#
+GPIO: 53, dir=1, set=1, clr=0, alt=nPCE[2], desc=PCC_CE2#
+GPIO: 54, dir=1, set=0, clr=0, alt=nPSKSEL, desc=PCC_SCKSEL
+GPIO: 55, dir=1, set=0, clr=0, alt=nPREG, desc=PCC_REG#
+GPIO: 56, dir=0, set=0, clr=0, alt=nPWAIT, desc=PCC_WAIT#
+GPIO: 57, dir=0, set=0, clr=0, alt=nIOIS16, desc=PCC_IOIS16#
+GPIO: 58, dir=1, set=0, clr=0, alt=LDD[0], desc=LDD0
+GPIO: 59, dir=1, set=0, clr=0, alt=LDD[1], desc=LDD1
+GPIO: 60, dir=1, set=0, clr=0, alt=LDD[2], desc=LDD2
+GPIO: 61, dir=1, set=0, clr=0, alt=LDD[3], desc=LDD3
+GPIO: 62, dir=1, set=0, clr=0, alt=LDD[4], desc=LDD4
+GPIO: 63, dir=1, set=0, clr=0, alt=LDD[5], desc=LDD5
+GPIO: 64, dir=1, set=0, clr=0, alt=LDD[6], desc=LDD6
+GPIO: 65, dir=1, set=0, clr=0, alt=LDD[7], desc=LDD7
+GPIO: 66, dir=1, set=0, clr=0, alt=LDD[8], desc=LDD8
+GPIO: 67, dir=1, set=0, clr=0, alt=LDD[9], desc=LDD9
+GPIO: 68, dir=1, set=0, clr=0, alt=LDD[10], desc=LDD10
+GPIO: 69, dir=1, set=0, clr=0, alt=LDD[11], desc=LDD11
+GPIO: 70, dir=1, set=0, clr=0, alt=LDD[12], desc=LDD12
+GPIO: 71, dir=1, set=0, clr=0, alt=LDD[13], desc=LDD13
+GPIO: 72, dir=1, set=0, clr=0, alt=LDD[14], desc=LDD14
+GPIO: 73, dir=1, set=0, clr=0, alt=LDD[15], desc=LDD15
+GPIO: 74, dir=1, set=0, clr=0, alt=LCD_FCLK, desc=FCLK
+GPIO: 75, dir=1, set=0, clr=0, alt=LCD_LCLK, desc=LCLK
+GPIO: 76, dir=1, set=0, clr=0, alt=LCD_PCLK, desc=PCLK
+GPIO: 77, dir=1, set=0, clr=0, alt=LCD_ACBIAS, desc=ACBIAS
+GPIO: 78, dir=1, set=1, clr=0, alt=nCS_2, desc=CS2#
+GPIO: 79, dir=1, set=1, clr=0, alt=nCS_3, desc=CS3#
+GPIO: 80, dir=1, set=1, clr=0, alt=nCS_4, desc=CS4#
+GPIO: 81, dir=0, set=0, clr=0, alt=gpio, desc=
+GPIO: 82, dir=0, set=0, clr=0, alt=gpio, desc=
+GPIO: 83, dir=0, set=0, clr=0, alt=gpio, desc=
+GPIO: 84, dir=0, set=0, clr=0, alt=gpio, desc=
diff --git a/board/pxa255_idp/pxa_reg_calcs.py b/board/pxa255_idp/pxa_reg_calcs.py
new file mode 100644
index 0000000..c4bcb4b
--- /dev/null
+++ b/board/pxa255_idp/pxa_reg_calcs.py
@@ -0,0 +1,311 @@
+#!/usr/bin/python
+
+# (C) Copyright 2004
+# BEC Systems <http://bec-systems.com>
+# Cliff Brake <cliff.brake@gmail.com>
+
+# 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
+
+# calculations for PXA255 registers
+
+class gpio:
+ dir = '0'
+ set = '0'
+ clr = '0'
+ alt = '0'
+ desc = ''
+
+ def __init__(self, dir=0, set=0, clr=0, alt=0, desc=''):
+ self.dir = dir
+ self.set = set
+ self.clr = clr
+ self.alt = alt
+ self.desc = desc
+
+
+# the following is a dictionary of all GPIOs in the system
+# the key is the GPIO number
+
+
+pxa255_alt_func = {
+ 0: ['gpio', 'none', 'none', 'none'],
+ 1: ['gpio', 'gpio reset', 'none', 'none'],
+ 2: ['gpio', 'none', 'none', 'none'],
+ 3: ['gpio', 'none', 'none', 'none'],
+ 4: ['gpio', 'none', 'none', 'none'],
+ 5: ['gpio', 'none', 'none', 'none'],
+ 6: ['gpio', 'MMC clk', 'none', 'none'],
+ 7: ['gpio', '48MHz clock', 'none', 'none'],
+ 8: ['gpio', 'MMC CS0', 'none', 'none'],
+ 9: ['gpio', 'MMC CS1', 'none', 'none'],
+ 10: ['gpio', 'RTC Clock', 'none', 'none'],
+ 11: ['gpio', '3.6MHz', 'none', 'none'],
+ 12: ['gpio', '32KHz', 'none', 'none'],
+ 13: ['gpio', 'none', 'MBGNT', 'none'],
+ 14: ['gpio', 'MBREQ', 'none', 'none'],
+ 15: ['gpio', 'none', 'nCS_1', 'none'],
+ 16: ['gpio', 'none', 'PWM0', 'none'],
+ 17: ['gpio', 'none', 'PWM1', 'none'],
+ 18: ['gpio', 'RDY', 'none', 'none'],
+ 19: ['gpio', 'DREQ[1]', 'none', 'none'],
+ 20: ['gpio', 'DREQ[0]', 'none', 'none'],
+ 21: ['gpio', 'none', 'none', 'none'],
+ 22: ['gpio', 'none', 'none', 'none'],
+ 23: ['gpio', 'none', 'SSP SCLK', 'none'],
+ 24: ['gpio', 'none', 'SSP SFRM', 'none'],
+ 25: ['gpio', 'none', 'SSP TXD', 'none'],
+ 26: ['gpio', 'SSP RXD', 'none', 'none'],
+ 27: ['gpio', 'SSP EXTCLK', 'none', 'none'],
+ 28: ['gpio', 'AC97 bitclk in, I2S bitclock out', 'I2S bitclock in', 'none'],
+ 29: ['gpio', 'AC97 SDATA_IN0', 'I2S SDATA_IN', 'none'],
+ 30: ['gpio', 'I2S SDATA_OUT', 'AC97 SDATA_OUT', 'none'],
+ 31: ['gpio', 'I2S SYNC', 'AC97 SYNC', 'none'],
+ 32: ['gpio', 'AC97 SDATA_IN1', 'I2S SYSCLK', 'none'],
+ 33: ['gpio', 'none', 'nCS_5', 'none'],
+ 34: ['gpio', 'FF RXD', 'MMC CS0', 'none'],
+ 35: ['gpio', 'FF CTS', 'none', 'none'],
+ 36: ['gpio', 'FF DCD', 'none', 'none'],
+ 37: ['gpio', 'FF DSR', 'none', 'none'],
+ 38: ['gpio', 'FF RI', 'none', 'none'],
+ 39: ['gpio', 'MMC CS1', 'FF TXD', 'none'],
+ 40: ['gpio', 'none', 'FF DTR', 'none'],
+ 41: ['gpio', 'none', 'FF RTS', 'none'],
+ 42: ['gpio', 'BT RXD', 'none', 'HW RXD'],
+ 43: ['gpio', 'none', 'BT TXD', 'HW TXD'],
+ 44: ['gpio', 'BT CTS', 'none', 'HW CTS'],
+ 45: ['gpio', 'none', 'BT RTS', 'HW RTS'],
+ 46: ['gpio', 'ICP_RXD', 'STD RXD', 'none'],
+ 47: ['gpio', 'STD TXD', 'ICP_TXD', 'none'],
+ 48: ['gpio', 'HW TXD', 'nPOE', 'none'],
+ 49: ['gpio', 'HW RXD', 'nPWE', 'none'],
+ 50: ['gpio', 'HW CTS', 'nPIOR', 'none'],
+ 51: ['gpio', 'nPIOW', 'HW RTS', 'none'],
+ 52: ['gpio', 'none', 'nPCE[1]', 'none'],
+ 53: ['gpio', 'MMC CLK', 'nPCE[2]', 'none'],
+ 54: ['gpio', 'MMC CLK', 'nPSKSEL', 'none'],
+ 55: ['gpio', 'none', 'nPREG', 'none'],
+ 56: ['gpio', 'nPWAIT', 'none', 'none'],
+ 57: ['gpio', 'nIOIS16', 'none', 'none'],
+ 58: ['gpio', 'none', 'LDD[0]', 'none'],
+ 59: ['gpio', 'none', 'LDD[1]', 'none'],
+ 60: ['gpio', 'none', 'LDD[2]', 'none'],
+ 61: ['gpio', 'none', 'LDD[3]', 'none'],
+ 62: ['gpio', 'none', 'LDD[4]', 'none'],
+ 63: ['gpio', 'none', 'LDD[5]', 'none'],
+ 64: ['gpio', 'none', 'LDD[6]', 'none'],
+ 65: ['gpio', 'none', 'LDD[7]', 'none'],
+ 66: ['gpio', 'MBREQ', 'LDD[8]', 'none'],
+ 67: ['gpio', 'MMC CS0', 'LDD[9]', 'none'],
+ 68: ['gpio', 'MMC CS1', 'LDD[10]', 'none'],
+ 69: ['gpio', 'MMC CLK', 'LDD[11]', 'none'],
+ 70: ['gpio', 'RTC CLK', 'LDD[12]', 'none'],
+ 71: ['gpio', '3.6 MHz', 'LDD[13]', 'none'],
+ 72: ['gpio', '32 KHz', 'LDD[14]', 'none'],
+ 73: ['gpio', 'MBGNT', 'LDD[15]', 'none'],
+ 74: ['gpio', 'none', 'LCD_FCLK', 'none'],
+ 75: ['gpio', 'none', 'LCD_LCLK', 'none'],
+ 76: ['gpio', 'none', 'LCD_PCLK', 'none'],
+ 77: ['gpio', 'none', 'LCD_ACBIAS', 'none'],
+ 78: ['gpio', 'none', 'nCS_2', 'none'],
+ 79: ['gpio', 'none', 'nCS_3', 'none'],
+ 80: ['gpio', 'none', 'nCS_4', 'none'],
+ 81: ['gpio', 'NSSPSCLK', 'none', 'none'],
+ 82: ['gpio', 'NSSPSFRM', 'none', 'none'],
+ 83: ['gpio', 'NSSPTXD', 'NSSPRXD', 'none'],
+ 84: ['gpio', 'NSSPTXD', 'NSSPRXD', 'none'],
+}
+
+
+#def __init__(self, dir=0, set=0, clr=0, alt=0, desc=''):
+
+gpio_list = []
+
+for i in range(0,85):
+ gpio_list.append(gpio())
+
+#chip select GPIOs
+gpio_list[18] = gpio(0, 0, 0, 1, 'RDY')
+gpio_list[33] = gpio(1, 1, 0, 2, 'CS5#')
+gpio_list[80] = gpio(1, 1, 0, 2, 'CS4#')
+gpio_list[79] = gpio(1, 1, 0, 2, 'CS3#')
+gpio_list[78] = gpio(1, 1, 0, 2, 'CS2#')
+gpio_list[15] = gpio(1, 1, 0, 2, 'CS1#')
+gpio_list[22] = gpio(0, 0, 0, 0, 'Consumer IR, PCC_S1_IRQ_O#')
+gpio_list[21] = gpio(0, 0, 0, 0, 'IRQ_IDE, PFI')
+gpio_list[19] = gpio(0, 0, 0, 0, 'XB_DREQ1, PCC_SO_IRQ_O#')
+gpio_list[20] = gpio(0, 0, 0, 0, 'XB_DREQ0')
+gpio_list[20] = gpio(0, 0, 0, 0, 'XB_DREQ0')
+gpio_list[17] = gpio(0, 0, 0, 0, 'IRQ_AXB')
+gpio_list[16] = gpio(1, 0, 0, 2, 'PWM0')
+
+# PCMCIA stuff
+gpio_list[57] = gpio(0, 0, 0, 1, 'PCC_IOIS16#')
+gpio_list[56] = gpio(0, 0, 0, 1, 'PCC_WAIT#')
+gpio_list[55] = gpio(1, 0, 0, 2, 'PCC_REG#')
+gpio_list[54] = gpio(1, 0, 0, 2, 'PCC_SCKSEL')
+gpio_list[53] = gpio(1, 1, 0, 2, 'PCC_CE2#')
+gpio_list[52] = gpio(1, 1, 0, 2, 'PCC_CE1#')
+gpio_list[51] = gpio(1, 1, 0, 1, 'PCC_IOW#')
+gpio_list[50] = gpio(1, 1, 0, 2, 'PCC_IOR#')
+gpio_list[49] = gpio(1, 1, 0, 2, 'PCC_WE#')
+gpio_list[48] = gpio(1, 1, 0, 2, 'PCC_OE#')
+
+# SSP port
+gpio_list[26] = gpio(0, 0, 0, 1, 'SSP_RXD')
+gpio_list[25] = gpio(0, 0, 0, 0, 'SSP_TXD')
+gpio_list[24] = gpio(1, 0, 1, 2, 'SSP_SFRM')
+gpio_list[23] = gpio(1, 0, 1, 2, 'SSP_SCLK')
+gpio_list[27] = gpio(0, 0, 0, 0, 'SSP_EXTCLK')
+
+# audio codec
+gpio_list[32] = gpio(0, 0, 0, 0, 'AUD_SDIN1')
+gpio_list[31] = gpio(1, 0, 0, 2, 'AC_SYNC')
+gpio_list[30] = gpio(1, 0, 0, 2, 'AC_SDOUT')
+gpio_list[29] = gpio(0, 0, 0, 1, 'AUD_SDIN0')
+gpio_list[28] = gpio(0, 0, 0, 1, 'AC_BITCLK')
+
+# serial ports
+gpio_list[39] = gpio(1, 0, 0, 2, 'FF_TXD')
+gpio_list[34] = gpio(0, 0, 0, 1, 'FF_RXD')
+gpio_list[41] = gpio(1, 0, 0, 2, 'FF_RTS')
+gpio_list[35] = gpio(0, 0, 0, 1, 'FF_CTS')
+gpio_list[40] = gpio(1, 0, 0, 2, 'FF_DTR')
+gpio_list[37] = gpio(0, 0, 0, 1, 'FF_DSR')
+gpio_list[38] = gpio(0, 0, 0, 1, 'FF_RI')
+gpio_list[36] = gpio(0, 0, 0, 1, 'FF_DCD')
+
+gpio_list[43] = gpio(1, 0, 0, 2, 'BT_TXD')
+gpio_list[42] = gpio(0, 0, 0, 1, 'BT_RXD')
+gpio_list[45] = gpio(1, 0, 0, 2, 'BT_RTS')
+gpio_list[44] = gpio(0, 0, 0, 1, 'BT_CTS')
+
+gpio_list[47] = gpio(1, 0, 0, 1, 'IR_TXD')
+gpio_list[46] = gpio(0, 0, 0, 2, 'IR_RXD')
+
+# misc GPIO signals
+gpio_list[14] = gpio(0, 0, 0, 0, 'MBREQ')
+gpio_list[13] = gpio(0, 0, 0, 0, 'MBGNT')
+gpio_list[12] = gpio(0, 0, 0, 0, 'GPIO_12/32K_CLK')
+gpio_list[11] = gpio(0, 0, 0, 0, '3M6_CLK')
+gpio_list[10] = gpio(1, 0, 1, 0, 'GPIO_10/RTC_CLK/debug LED')
+gpio_list[9] = gpio(0, 0, 0, 0, 'MMC_CD#')
+gpio_list[8] = gpio(0, 0, 0, 0, 'PCC_S1_CD#')
+gpio_list[7] = gpio(0, 0, 0, 0, 'PCC_S0_CD#')
+gpio_list[6] = gpio(1, 0, 0, 1, 'MMC_CLK')
+gpio_list[5] = gpio(0, 0, 0, 0, 'IRQ_TOUCH#')
+gpio_list[4] = gpio(0, 0, 0, 0, 'IRQ_ETH')
+gpio_list[3] = gpio(0, 0, 0, 0, 'MQ_IRQ#')
+gpio_list[2] = gpio(0, 0, 0, 0, 'BAT_DATA')
+gpio_list[1] = gpio(0, 0, 0, 1, 'USER_RESET#')
+gpio_list[0] = gpio(0, 0, 0, 1, 'USER_RESET#')
+
+# LCD GPIOs
+gpio_list[58] = gpio(1, 0, 0, 2, 'LDD0')
+gpio_list[59] = gpio(1, 0, 0, 2, 'LDD1')
+gpio_list[60] = gpio(1, 0, 0, 2, 'LDD2')
+gpio_list[61] = gpio(1, 0, 0, 2, 'LDD3')
+gpio_list[62] = gpio(1, 0, 0, 2, 'LDD4')
+gpio_list[63] = gpio(1, 0, 0, 2, 'LDD5')
+gpio_list[64] = gpio(1, 0, 0, 2, 'LDD6')
+gpio_list[65] = gpio(1, 0, 0, 2, 'LDD7')
+gpio_list[66] = gpio(1, 0, 0, 2, 'LDD8')
+gpio_list[67] = gpio(1, 0, 0, 2, 'LDD9')
+gpio_list[68] = gpio(1, 0, 0, 2, 'LDD10')
+gpio_list[69] = gpio(1, 0, 0, 2, 'LDD11')
+gpio_list[70] = gpio(1, 0, 0, 2, 'LDD12')
+gpio_list[71] = gpio(1, 0, 0, 2, 'LDD13')
+gpio_list[72] = gpio(1, 0, 0, 2, 'LDD14')
+gpio_list[73] = gpio(1, 0, 0, 2, 'LDD15')
+gpio_list[74] = gpio(1, 0, 0, 2, 'FCLK')
+gpio_list[75] = gpio(1, 0, 0, 2, 'LCLK')
+gpio_list[76] = gpio(1, 0, 0, 2, 'PCLK')
+gpio_list[77] = gpio(1, 0, 0, 2, 'ACBIAS')
+
+# calculate registers
+pxa_regs = {
+ 'gpdr0':0, 'gpdr1':0, 'gpdr2':0,
+ 'gpsr0':0, 'gpsr1':0, 'gpsr2':0,
+ 'gpcr0':0, 'gpcr1':0, 'gpcr2':0,
+ 'gafr0_l':0, 'gafr0_u':0,
+ 'gafr1_l':0, 'gafr1_u':0,
+ 'gafr2_l':0, 'gafr2_u':0,
+}
+
+# U-boot define names
+uboot_reg_names = {
+ 'gpdr0':'CFG_GPDR0_VAL', 'gpdr1':'CFG_GPDR1_VAL', 'gpdr2':'CFG_GPDR2_VAL',
+ 'gpsr0':'CFG_GPSR0_VAL', 'gpsr1':'CFG_GPSR1_VAL', 'gpsr2':'CFG_GPSR2_VAL',
+ 'gpcr0':'CFG_GPCR0_VAL', 'gpcr1':'CFG_GPCR1_VAL', 'gpcr2':'CFG_GPCR2_VAL',
+ 'gafr0_l':'CFG_GAFR0_L_VAL', 'gafr0_u':'CFG_GAFR0_U_VAL',
+ 'gafr1_l':'CFG_GAFR1_L_VAL', 'gafr1_u':'CFG_GAFR1_U_VAL',
+ 'gafr2_l':'CFG_GAFR2_L_VAL', 'gafr2_u':'CFG_GAFR2_U_VAL',
+}
+
+# bit mappings
+
+bit_mappings = [
+
+{ 'gpio':(0,32), 'shift':1, 'regs':{'dir':'gpdr0', 'set':'gpsr0', 'clr':'gpcr0'} },
+{ 'gpio':(32,64), 'shift':1, 'regs':{'dir':'gpdr1', 'set':'gpsr1', 'clr':'gpcr1'} },
+{ 'gpio':(64,85), 'shift':1, 'regs':{'dir':'gpdr2', 'set':'gpsr2', 'clr':'gpcr2'} },
+{ 'gpio':(0,16), 'shift':2, 'regs':{'alt':'gafr0_l'} },
+{ 'gpio':(16,32), 'shift':2, 'regs':{'alt':'gafr0_u'} },
+{ 'gpio':(32,48), 'shift':2, 'regs':{'alt':'gafr1_l'} },
+{ 'gpio':(48,64), 'shift':2, 'regs':{'alt':'gafr1_u'} },
+{ 'gpio':(64,80), 'shift':2, 'regs':{'alt':'gafr2_l'} },
+{ 'gpio':(80,85), 'shift':2, 'regs':{'alt':'gafr2_u'} },
+
+]
+
+def stuff_bits(bit_mapping, gpio_list):
+ gpios = range( bit_mapping['gpio'][0], bit_mapping['gpio'][1])
+
+ for gpio in gpios:
+ for reg in bit_mapping['regs'].keys():
+ value = eval( 'gpio_list[gpio].%s' % (reg) )
+ if ( value ):
+ # we have a high bit
+ bit_shift = (gpio - bit_mapping['gpio'][0]) * bit_mapping['shift']
+ bit = value << (bit_shift)
+ pxa_regs[bit_mapping['regs'][reg]] |= bit
+
+for i in bit_mappings:
+ stuff_bits(i, gpio_list)
+
+# now print out all regs
+registers = pxa_regs.keys()
+registers.sort()
+for reg in registers:
+ print '%s: 0x%x' % (reg, pxa_regs[reg])
+
+# print define to past right into U-Boot source code
+
+print
+print
+
+for reg in registers:
+ print '#define %s 0x%x' % (uboot_reg_names[reg], pxa_regs[reg])
+
+# print all GPIOS
+print
+print
+
+for i in range(len(gpio_list)):
+ gpio_i = gpio_list[i]
+ alt_func_desc = pxa255_alt_func[i][gpio_i.alt]
+ print 'GPIO: %i, dir=%i, set=%i, clr=%i, alt=%s, desc=%s' % (i, gpio_i.dir, gpio_i.set, gpio_i.clr, alt_func_desc, gpio_i.desc)
+
+
diff --git a/board/pxa255_idp/u-boot.lds b/board/pxa255_idp/u-boot.lds
new file mode 100644
index 0000000..20ce108
--- /dev/null
+++ b/board/pxa255_idp/u-boot.lds
@@ -0,0 +1,55 @@
+/*
+ * (C) Copyright 2000-2005
+ * 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 = .;
+}