summaryrefslogtreecommitdiff
path: root/packages/linux/linux-2.6.22/cm-x270/0003-cm-x270-ide.patch
diff options
context:
space:
mode:
Diffstat (limited to 'packages/linux/linux-2.6.22/cm-x270/0003-cm-x270-ide.patch')
-rw-r--r--packages/linux/linux-2.6.22/cm-x270/0003-cm-x270-ide.patch186
1 files changed, 186 insertions, 0 deletions
diff --git a/packages/linux/linux-2.6.22/cm-x270/0003-cm-x270-ide.patch b/packages/linux/linux-2.6.22/cm-x270/0003-cm-x270-ide.patch
new file mode 100644
index 0000000000..0ff115efc8
--- /dev/null
+++ b/packages/linux/linux-2.6.22/cm-x270/0003-cm-x270-ide.patch
@@ -0,0 +1,186 @@
+From f260d5fa4c99cd7df949e6408af59807f8ccf224 Mon Sep 17 00:00:00 2001
+From: Cliff Brake <cbrake@happy.dev.bec-systems.com>
+Date: Fri, 20 Jul 2007 18:59:39 -0400
+Subject: [PATCH] cm-x270-ide
+
+---
+ drivers/ide/Kconfig | 8 +++
+ drivers/ide/arm/Makefile | 1 +
+ drivers/ide/arm/cm-x270-ide.c | 135 +++++++++++++++++++++++++++++++++++++++++
+ 3 files changed, 144 insertions(+), 0 deletions(-)
+ create mode 100644 drivers/ide/arm/cm-x270-ide.c
+
+diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
+index b1a9b81..7de4155 100644
+--- a/drivers/ide/Kconfig
++++ b/drivers/ide/Kconfig
+@@ -864,6 +864,14 @@ config BLK_DEV_IDE_BAST
+ Say Y here if you want to support the onboard IDE channels on the
+ Simtec BAST or the Thorcom VR1000
+
++config BLK_DEV_IDE_CM_X270
++ tristate "CompuLab CM-X270 IDE support"
++ depends on ARM && (MACH_ARMCORE)
++ help
++ Say Y here if you want to support the onboard IDE channels on the
++ CompuLab CM-X270 module
++
++
+ config BLK_DEV_GAYLE
+ bool "Amiga Gayle IDE interface support"
+ depends on AMIGA
+diff --git a/drivers/ide/arm/Makefile b/drivers/ide/arm/Makefile
+index 6a78f07..e5cadb7 100644
+--- a/drivers/ide/arm/Makefile
++++ b/drivers/ide/arm/Makefile
+@@ -2,5 +2,6 @@
+ obj-$(CONFIG_BLK_DEV_IDE_ICSIDE) += icside.o
+ obj-$(CONFIG_BLK_DEV_IDE_RAPIDE) += rapide.o
+ obj-$(CONFIG_BLK_DEV_IDE_BAST) += bast-ide.o
++obj-$(CONFIG_BLK_DEV_IDE_CM_X270) += cm-x270-ide.o
+
+ EXTRA_CFLAGS := -Idrivers/ide
+diff --git a/drivers/ide/arm/cm-x270-ide.c b/drivers/ide/arm/cm-x270-ide.c
+new file mode 100644
+index 0000000..a8b15aa
+--- /dev/null
++++ b/drivers/ide/arm/cm-x270-ide.c
+@@ -0,0 +1,135 @@
++/* linux/drivers/ide/arm/cm-x270-ide.c
++ *
++ * Copyright (c) 2006 CompuLab, Ltd
++ * Mike Rapoport <mike@compulab.co.il>
++ *
++ * Based on linux/drivers/ide/arm/bast-ide.c
++ * Copyright (c) 2003-2004 Simtec Electronics
++ * Ben Dooks <ben@simtec.co.uk>
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ *
++ */
++
++#include <linux/module.h>
++#include <linux/errno.h>
++#include <linux/ide.h>
++#include <linux/init.h>
++#include <linux/irq.h>
++
++#include <asm/mach-types.h>
++
++#include <asm/io.h>
++#include <asm/arch/pxa-regs.h>
++#include <asm/arch/cm-x270.h>
++
++#define CMX270_SB270_IDECS0_VIRT (CMX270_IDE104_VIRT + (1<<24) + (1<<25))
++#define CMX270_SB270_IDECS1_VIRT (CMX270_IDE104_VIRT + (1<<25))
++#define CMX270_ATX_IDECS0_VIRT (CMX270_IDE104_VIRT + (1<<25))
++#define CMX270_ATX_IDECS1_VIRT (CMX270_IDE104_VIRT + (1<<25) + (1<<22))
++
++/* list of registered interfaces */
++static ide_hwif_t *ifs[1];
++
++static int __init
++cmx270_ide_register(unsigned int base, unsigned int aux, int irq,
++ ide_hwif_t **hwif)
++{
++ hw_regs_t hw;
++
++ memset(&hw, 0, sizeof(hw));
++
++ if(!base || !aux) return -EINVAL;
++
++ printk(KERN_DEBUG "%s: base = %08x, aux = %08x\n", __FUNCTION__,
++ base, aux);
++
++ /* Different mappings for local bus IDE and PCMCIA IDE */
++ if(base == CMX270_SB270_IDECS0_VIRT) {
++ hw.io_ports[IDE_DATA_OFFSET] = base + 0;
++ hw.io_ports[IDE_ERROR_OFFSET] = base + (0x1<<3);
++ hw.io_ports[IDE_NSECTOR_OFFSET]= base + (0x2<<3);
++ hw.io_ports[IDE_SECTOR_OFFSET]= base + (0x3<<3);
++ hw.io_ports[IDE_LCYL_OFFSET]= base + (0x4<<3);
++ hw.io_ports[IDE_HCYL_OFFSET]= base + (0x5<<3);
++ hw.io_ports[IDE_SELECT_OFFSET]= base + (0x6<<3);
++ hw.io_ports[IDE_STATUS_OFFSET]= base + (0x7<<3);
++ hw.io_ports[IDE_CONTROL_OFFSET] = aux+(0x6<<3);
++ }
++ else if (base == CMX270_ATX_IDECS0_VIRT) { /* atx base */
++ hw.io_ports[IDE_DATA_OFFSET] = base + 0;
++ hw.io_ports[IDE_ERROR_OFFSET] = base + 8;
++ hw.io_ports[IDE_NSECTOR_OFFSET]= base + 2;
++ hw.io_ports[IDE_SECTOR_OFFSET]= base + 10;
++ hw.io_ports[IDE_LCYL_OFFSET]= base + 4;
++ hw.io_ports[IDE_HCYL_OFFSET]= base + 12;
++ hw.io_ports[IDE_SELECT_OFFSET]= base + 6; //6;
++ hw.io_ports[IDE_STATUS_OFFSET]= base + 14;
++ hw.io_ports[IDE_CONTROL_OFFSET] = (aux+0x6);
++ } else {
++ printk(KERN_DEBUG "%s: registering wrong IDE i/f\n", __FUNCTION__);
++ hw.io_ports[IDE_DATA_OFFSET] = base + 8;
++ hw.io_ports[IDE_ERROR_OFFSET] = base + 13;
++ hw.io_ports[IDE_NSECTOR_OFFSET] = base + 2;
++ hw.io_ports[IDE_SECTOR_OFFSET] = base + 3;
++ hw.io_ports[IDE_LCYL_OFFSET] = base + 4;
++ hw.io_ports[IDE_HCYL_OFFSET] = base + 5;
++ hw.io_ports[IDE_SELECT_OFFSET] = base + 6;
++ hw.io_ports[IDE_STATUS_OFFSET] = base + 7;
++ hw.io_ports[IDE_CONTROL_OFFSET] = aux;
++ }
++
++ hw.irq = irq;
++
++ return ide_register_hw(&hw, hwif);
++}
++
++static int __init cmx270_ide_init(void)
++{
++ int retval = 0;
++
++ if (!(machine_is_armcore()))
++ goto out;
++
++ printk("CM-X270: initializing IDE interface\n");
++
++ MSC1 = 0x7ffc7ff4;
++
++ /* Interrupts on rising edge: lines are inverted before they get to
++ the PXA */
++ pxa_gpio_mode(IRQ_TO_GPIO(CMX270_IDE_IRQ));
++
++ /* try SB-X270 */
++ set_irq_type(CMX270_IDE_IRQ, IRQ_TYPE_EDGE_RISING);
++ retval = cmx270_ide_register(CMX270_SB270_IDECS0_VIRT,
++ CMX270_SB270_IDECS1_VIRT,
++ CMX270_IDE_IRQ, &ifs[0]);
++ if (retval >= 0) {
++ printk(KERN_DEBUG "%s: found IDE interface on SB-X270\n",
++ __FUNCTION__);
++ goto out;
++ }
++
++ /* SB-X270 detection failed, try ATX */
++ set_irq_type(CMX270_IDE_IRQ, IRQ_TYPE_EDGE_FALLING);
++ retval = cmx270_ide_register(CMX270_ATX_IDECS0_VIRT,
++ CMX270_ATX_IDECS1_VIRT,
++ CMX270_IDE_IRQ, &ifs[0]);
++
++ if ( retval >= 0 ) {
++ printk(KERN_DEBUG "%s: found IDE interface on ATX\n",
++ __FUNCTION__);
++ goto out;
++ }
++
++ out:
++ return retval;
++}
++
++module_init(cmx270_ide_init);
++
++MODULE_AUTHOR("CompuLab");
++MODULE_LICENSE("GPL");
++MODULE_DESCRIPTION("CompuLab CM-X270 IDE driver");
+--
+1.5.1.6
+