diff options
Diffstat (limited to 'recipes/linux/linux-2.6.22/cm-x270/0003-cm-x270-ide.patch')
| -rw-r--r-- | recipes/linux/linux-2.6.22/cm-x270/0003-cm-x270-ide.patch | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/recipes/linux/linux-2.6.22/cm-x270/0003-cm-x270-ide.patch b/recipes/linux/linux-2.6.22/cm-x270/0003-cm-x270-ide.patch new file mode 100644 index 0000000000..0ff115efc8 --- /dev/null +++ b/recipes/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 + |