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authorwdenk <wdenk>2005-04-06 00:04:16 +0000
committerwdenk <wdenk>2005-04-06 00:04:16 +0000
commit20787e23b8501f11c83599d1a2e38bb1204ac961 (patch)
treefba53e6f1dd6cb3ca1f030ac47bffbdf3bdbdd1f /board
parent3c2b3d454daa6024cc20d166b2f50efde169c7fe (diff)
downloadu-boot-imx-20787e23b8501f11c83599d1a2e38bb1204ac961.zip
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* Patches by Robert Whaley, 29 Nov 2004:
- update the pxa-regs.h file for PXA27x chips - add PXA27x based ADSVIX board - add support for MMC on PXA27x processors * Patch by Andrew E. Mileski, 28 Nov 2004: Fix PPC4xx SPD SDRAM detection bug * Patch by Hiroshi Ito, 26 Nov 2004: Fix logic of "test -z" and "test -n" commands
Diffstat (limited to 'board')
-rw-r--r--board/adsvix/Makefile48
-rw-r--r--board/adsvix/adsvix.c77
-rw-r--r--board/adsvix/config.mk1
-rw-r--r--board/adsvix/memsetup.S468
-rw-r--r--board/adsvix/pcmcia.c67
-rw-r--r--board/adsvix/pxavoltage.S231
-rw-r--r--board/adsvix/u-boot.lds55
7 files changed, 947 insertions, 0 deletions
diff --git a/board/adsvix/Makefile b/board/adsvix/Makefile
new file mode 100644
index 0000000..ae514aa
--- /dev/null
+++ b/board/adsvix/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 := adsvix.o pcmcia.o
+SOBJS := memsetup.o pxavoltage.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/adsvix/adsvix.c b/board/adsvix/adsvix.c
new file mode 100644
index 0000000..5e770e9
--- /dev/null
+++ b/board/adsvix/adsvix.c
@@ -0,0 +1,77 @@
+/*
+ * (C) Copyright 2004
+ * Robert Whaley, Applied Data Systems, Inc. rwhaley@applieddata.net
+ *
+ * (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 ADSVIX-Board */
+ gd->bd->bi_arch_number = 620;
+
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = 0xa000003c;
+
+ 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/board/adsvix/config.mk b/board/adsvix/config.mk
new file mode 100644
index 0000000..98be4eb
--- /dev/null
+++ b/board/adsvix/config.mk
@@ -0,0 +1 @@
+TEXT_BASE = 0xa1700000
diff --git a/board/adsvix/memsetup.S b/board/adsvix/memsetup.S
new file mode 100644
index 0000000..7b6abd6
--- /dev/null
+++ b/board/adsvix/memsetup.S
@@ -0,0 +1,468 @@
+/*
+ * This was originally from the Lubbock u-boot port.
+ *
+ * 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>
+
+/* 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:
+
+ /* 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, =GPSR3
+ ldr r1, =CFG_GPSR3_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, =GPCR3
+ ldr r1, =CFG_GPCR3_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, =GPDR3
+ ldr r1, =CFG_GPDR3_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, =GAFR3_L
+ ldr r1, =CFG_GAFR3_L_VAL
+ str r1, [r0]
+
+ ldr r0, =GAFR3_U
+ ldr r1, =CFG_GAFR3_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 */
+ /* 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]
+
+ /* ---------------------------------------------------------------- */
+ /* Step 2c: Write FLYCNFG FIXME: what's that??? */
+ /* ---------------------------------------------------------------- */
+ ldr r2, =CFG_FLYCNFG_VAL
+ str r2, [r1, #FLYCNFG_OFFSET]
+ str r2, [r1, #FLYCNFG_OFFSET]
+
+ /* ---------------------------------------------------------------- */
+ /* 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 r4, [r1, #MDREFR_OFFSET]
+ ldr r2, =0xFFF
+ bic r4, r4, r2
+
+ ldr r3, =CFG_MDREFR_VAL
+ and r3, r3, r2
+
+ orr r4, r4, r3
+ str r4, [r1, #MDREFR_OFFSET] /* write back MDREFR */
+
+ orr r4, r4, #MDREFR_K0RUN
+ orr r4, r4, #MDREFR_K0DB4
+ orr r4, r4, #MDREFR_K0FREE
+ orr r4, r4, #MDREFR_K0DB2
+ orr r4, r4, #MDREFR_K1DB2
+ bic r4, r4, #MDREFR_K1FREE
+ bic r4, r4, #MDREFR_K2FREE
+
+ 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. */
+
+ ldr r2, =CFG_SXCNFG_VAL
+ str r2, [r1, #SXCNFG_OFFSET]
+
+ /* ---------------------------------------------------------------- */
+ /* Step 4: Initialize SDRAM */
+ /* ---------------------------------------------------------------- */
+
+ bic r4, r4, #(MDREFR_K2FREE |MDREFR_K1FREE | MDREFR_K0FREE)
+
+ orr r4, r4, #MDREFR_K1RUN
+ bic r4, r4, #MDREFR_K2DB2
+ str r4, [r1, #MDREFR_OFFSET]
+ ldr r4, [r1, #MDREFR_OFFSET]
+
+ bic r4, r4, #MDREFR_SLFRSH
+ str r4, [r1, #MDREFR_OFFSET]
+ ldr r4, [r1, #MDREFR_OFFSET]
+
+ orr r4, r4, #MDREFR_E1PIN
+ str r4, [r1, #MDREFR_OFFSET]
+ ldr r4, [r1, #MDREFR_OFFSET]
+
+ nop
+ nop
+
+
+ /* 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)
+ bic r4, r4, #(MDCNFG_DE2|MDCNFG_DE3)
+
+ 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 �sec. */
+
+ 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]
+ mov r4, r3
+ orr r3, r3, #MDCNFG_DE0
+ str r3, [r1, #MDCNFG_OFFSET]
+ mov r0, r3
+
+ /* Step 4h: Write MDMRS. */
+
+ ldr r2, =CFG_MDMRS_VAL
+ str r2, [r1, #MDMRS_OFFSET]
+
+ /* enable APD */
+ ldr r3, [r1, #MDREFR_OFFSET]
+ orr r3, r3, #MDREFR_APD
+ str r3, [r1, #MDREFR_OFFSET]
+
+ /* We are finished with Intel's memory controller initialisation */
+
+setvoltage:
+
+ mov r10, lr
+ bl initPXAvoltage /* In case the board is rebooting with a */
+ mov lr, r10 /* low voltage raise it up to a good one. */
+
+wakeup:
+ /* Are we waking from sleep? */
+ ldr r0, =RCSR
+ ldr r1, [r0]
+ and r1, r1, #(RCSR_GPR | RCSR_SMR | RCSR_WDR | RCSR_HWR)
+ str r1, [r0]
+ teq r1, #RCSR_SMR
+
+ bne initirqs
+
+ ldr r0, =PSSR
+ mov r1, #PSSR_PH
+ str r1, [r0]
+
+ /* if so, resume at PSPR */
+ ldr r0, =PSPR
+ ldr r1, [r0]
+ mov pc, r1
+
+ /* ---------------------------------------------------------------- */
+ /* 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 */
+
+ /* Turn Off on-chip peripheral clocks (except for memory) */
+ /* for re-configuration. */
+ ldr r1, =CKEN
+ ldr r2, =CFG_CKEN
+ str r2, [r1]
+
+ /* ... and write the core clock config register */
+ ldr r2, =CFG_CCCR
+ ldr r1, =CCCR
+ str r2, [r1]
+
+ /* Turn on turbo mode */
+ mrc p14, 0, r2, c6, c0, 0
+ orr r2, r2, #0xB /* Turbo, Fast-Bus, Freq change**/
+ mcr p14, 0, r2, c6, c0, 0
+
+ /* Re-write MDREFR */
+ ldr r1, =MEMC_BASE
+ ldr r2, [r1, #MDREFR_OFFSET]
+ str r2, [r1, #MDREFR_OFFSET]
+#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
+#else
+#error "RTC not defined"
+#endif
+
+ /* 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 */
+ /* ---------------------------------------------------------------- */
+
+endmemsetup:
+
+ mov pc, lr
diff --git a/board/adsvix/pcmcia.c b/board/adsvix/pcmcia.c
new file mode 100644
index 0000000..ba5be01
--- /dev/null
+++ b/board/adsvix/pcmcia.c
@@ -0,0 +1,67 @@
+/*
+ * (C) Copyright 2004
+ * Robert Whaley, Applied Data Systems, Inc. rwhaley@applieddata.net
+ *
+ * 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 <asm/arch/pxa-regs.h>
+
+void pcmcia_power_on(void)
+{
+#if 0
+ if (!(GPLR(20) & GPIO_bit(20))) { /* 3.3V */
+ GPCR(81) = GPIO_bit(81);
+ GPSR(82) = GPIO_bit(82);
+ }
+ else if (!(GPLR(21) & GPIO_bit(21))) { /* 5.0V */
+ GPCR(81) = GPIO_bit(81);
+ GPCR(82) = GPIO_bit(82);
+ }
+#else
+#warning "Board will only supply 5V, wait for next HW spin for selectable power"
+ /* 5.0V */
+ GPCR(81) = GPIO_bit(81);
+ GPCR(82) = GPIO_bit(82);
+#endif
+
+ udelay(300000);
+
+ /* reset the card */
+ GPSR(52) = GPIO_bit(52);
+
+ /* enable PCMCIA */
+ GPCR(83) = GPIO_bit(83);
+
+ /* clear reset */
+ udelay(10);
+ GPCR(52) = GPIO_bit(52);
+
+ udelay(20000);
+}
+
+void pcmcia_power_off(void)
+{
+ /* 0V */
+ GPSR(81) = GPIO_bit(81);
+ GPSR(82) = GPIO_bit(82);
+ /* disable PCMCIA */
+ GPSR(83) = GPIO_bit(83);
+}
diff --git a/board/adsvix/pxavoltage.S b/board/adsvix/pxavoltage.S
new file mode 100644
index 0000000..5a0359c
--- /dev/null
+++ b/board/adsvix/pxavoltage.S
@@ -0,0 +1,231 @@
+/*
+ * (C) Copyright 2004
+ * Robert Whaley, Applied Data Systems, Inc. rwhaley@applieddata.net
+ *
+ * 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 <asm/arch/pxa-regs.h>
+
+#define LTC1663_ADDR 0x20
+
+#define LTC1663_SY 0x01 /* Sync ACK */
+#define LTC1663_SD 0x04 /* shutdown */
+#define LTC1663_BG 0x04 /* Internal Voltage Ref */
+
+#define VOLT_1_55 18 /* DAC value for 1.55V */
+
+ .global initPXAvoltage
+
+@ Set the voltage to 1.55V early in the boot process so we can run
+@ at a high clock speed and boot quickly. Note that this is necessary
+@ because the reset button does not reset the CPU voltage, so if the
+@ voltage was low (say 0.85V) then the CPU would crash without this
+@ routine
+
+@ This routine clobbers r0-r4
+
+initializei2c:
+
+ ldr r2, =CKEN
+ ldr r3, [r2]
+ orr r3, r3, #CKEN15_PWRI2C
+ str r3, [r2]
+
+ ldr r2, =PCFR
+ ldr r3, [r2]
+ orr r3, r3, #PCFR_PI2C_EN
+ str r3, [r2]
+
+ /* delay for about 250msec
+ */
+ ldr r3, =OSCR
+ mov r2, #0
+ str r2, [r3]
+ ldr r1, =0xC0000
+
+1:
+ ldr r2, [r3]
+ cmp r1, r2
+ bgt 1b
+ ldr r0, =PWRICR
+ ldr r1, [r0]
+ bic r1, r1, #(ICR_MA | ICR_START | ICR_STOP)
+ str r1, [r0]
+
+ orr r1, r1, #ICR_UR
+ str r1, [r0]
+
+ ldr r2, =PWRISR
+ ldr r3, =0x7ff
+ str r3, [r2]
+
+ bic r1, r1, #ICR_UR
+ str r1, [r0]
+
+ mov r1, #(ICR_GCD | ICR_SCLE)
+ str r1, [r0]
+
+ orr r1, r1, #ICR_IUE
+ str r1, [r0]
+
+ orr r1, r1, #ICR_FM
+ str r1, [r0]
+
+ /* delay for about 1msec
+ */
+ ldr r3, =OSCR
+ mov r2, #0
+ str r2, [r3]
+ ldr r1, =0xC00
+
+1:
+ ldr r2, [r3]
+ cmp r1, r2
+ bgt 1b
+ mov pc, lr
+
+sendbytei2c:
+ ldr r3, =PWRIDBR
+ str r0, [r3]
+ ldr r3, =PWRICR
+ ldr r0, [r3]
+ orr r0, r0, r1
+ bic r0, r0, r2
+ str r0, [r3]
+ orr r0, r0, #ICR_TB
+ str r0, [r3]
+
+ mov r2, #0x100000
+
+waitfortxemptyi2c:
+
+ ldr r0, =PWRISR
+ ldr r1, [r0]
+
+ /* take it from the top if we don't get empty after a while */
+ subs r2, r2, #1
+ moveq lr, r4
+ beq initPXAvoltage
+
+ tst r1, #ISR_ITE
+
+ beq waitfortxemptyi2c
+
+ orr r1, r1, #ISR_ITE
+ str r1, [r0]
+
+ mov pc, lr
+
+initPXAvoltage:
+
+ mov r4, lr
+
+ bl setleds
+
+ bl initializei2c
+
+ bl setleds
+
+ /* now send the real message to set the correct voltage */
+ ldr r0, =LTC1663_ADDR
+ mov r0, r0, LSL #1
+ mov r1, #ICR_START
+ ldr r2, =(ICR_STOP | ICR_ALDIE | ICR_ACKNAK)
+ bl sendbytei2c
+
+ bl setleds
+
+ mov r0, #LTC1663_BG
+ mov r1, #0
+ mov r2, #(ICR_STOP | ICR_START)
+ bl sendbytei2c
+
+ bl setleds
+
+ ldr r0, =VOLT_1_55
+ and r0, r0, #0xff
+ mov r1, #0
+ mov r2, #(ICR_STOP | ICR_START)
+ bl sendbytei2c
+
+ bl setleds
+
+ ldr r0, =VOLT_1_55
+ mov r0, r0, ASR #8
+ and r0, r0, #0xff
+ mov r1, #ICR_STOP
+ mov r2, #ICR_START
+ bl sendbytei2c
+
+ bl setleds
+
+ @ delay a little for the volatage to stablize
+ ldr r3, =OSCR
+ mov r2, #0
+ str r2, [r3]
+ ldr r1, =0xC0
+
+1:
+ ldr r2, [r3]
+ cmp r1, r2
+ bgt 1b
+ mov pc, r4
+
+setleds:
+ mov pc, lr
+
+ ldr r5, =0x40e00058
+ ldr r3, [r5]
+ bic r3, r3, #0x3
+ str r3, [r5]
+ ldr r5, =0x40e0000c
+ ldr r3, [r5]
+ orr r3, r3, #0x00010000
+ str r3, [r5]
+
+ @ inner loop
+ mov r0, #0x2
+1:
+
+ ldr r5, =0x40e00018
+ mov r3, #0x00010000
+ str r3, [r5]
+
+ @ outer loop
+ mov r3, #0x00F00000
+2:
+ subs r3, r3, #1
+ bne 2b
+
+ ldr r5, =0x40e00024
+ mov r3, #0x00010000
+ str r3, [r5]
+
+ @ outer loop
+ mov r3, #0x00F00000
+3:
+ subs r3, r3, #1
+ bne 3b
+
+ subs r0, r0, #1
+ bne 1b
+
+ mov pc, lr
+
diff --git a/board/adsvix/u-boot.lds b/board/adsvix/u-boot.lds
new file mode 100644
index 0000000..58c371d
--- /dev/null
+++ b/board/adsvix/u-boot.lds
@@ -0,0 +1,55 @@
+/*
+ * (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 = .;
+}