From a529b59060862b36a4dae968534e090c6c77272e Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Mon, 30 Jun 2008 20:13:31 +0200
Subject: [PATCH] Revert "BAST: Remove old IDE driver"

This reverts commit ac1623625c5818bbdf5c68973098ba386ba7a004.

It was premature to remove it now, we will do it post-2.6.26.

Thanks to Russell King for noticing the issue.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/Kconfig        |  7 +++
 drivers/ide/arm/Makefile   |  1 +
 drivers/ide/arm/bast-ide.c | 90 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 98 insertions(+)
 create mode 100644 drivers/ide/arm/bast-ide.c

diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index 8e07de23d220..1607536ff5fb 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -823,6 +823,13 @@ config BLK_DEV_IDE_RAPIDE
 	  Say Y here if you want to support the Yellowstone RapIDE controller
 	  manufactured for use with Acorn computers.
 
+config BLK_DEV_IDE_BAST
+	tristate "Simtec BAST / Thorcom VR1000 IDE support"
+	depends on ARM && (ARCH_BAST || MACH_VR1000)
+	help
+	  Say Y here if you want to support the onboard IDE channels on the
+	  Simtec BAST or the Thorcom VR1000
+
 config IDE_H8300
 	tristate "H8300 IDE support"
 	depends on H8300
diff --git a/drivers/ide/arm/Makefile b/drivers/ide/arm/Makefile
index 5bc26053afa6..936e7b0237f5 100644
--- a/drivers/ide/arm/Makefile
+++ b/drivers/ide/arm/Makefile
@@ -1,6 +1,7 @@
 
 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_PALMCHIP_BK3710)	+= palm_bk3710.o
 
 ifeq ($(CONFIG_IDE_ARM), m)
diff --git a/drivers/ide/arm/bast-ide.c b/drivers/ide/arm/bast-ide.c
new file mode 100644
index 000000000000..8e8c28104b45
--- /dev/null
+++ b/drivers/ide/arm/bast-ide.c
@@ -0,0 +1,90 @@
+/*
+ * 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 <asm/mach-types.h>
+
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/arch/map.h>
+#include <asm/arch/bast-map.h>
+#include <asm/arch/bast-irq.h>
+
+#define DRV_NAME "bast-ide"
+
+static int __init bastide_register(unsigned int base, unsigned int aux, int irq)
+{
+	ide_hwif_t *hwif;
+	hw_regs_t hw;
+	int i;
+	u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
+
+	memset(&hw, 0, sizeof(hw));
+
+	base += BAST_IDE_CS;
+	aux  += BAST_IDE_CS;
+
+	for (i = 0; i <= 7; i++) {
+		hw.io_ports_array[i] = (unsigned long)base;
+		base += 0x20;
+	}
+
+	hw.io_ports.ctl_addr = aux + (6 * 0x20);
+	hw.irq = irq;
+	hw.chipset = ide_generic;
+
+	hwif = ide_find_port();
+	if (hwif == NULL)
+		goto out;
+
+	i = hwif->index;
+
+	ide_init_port_data(hwif, i);
+	ide_init_port_hw(hwif, &hw);
+	hwif->port_ops = NULL;
+
+	idx[0] = i;
+
+	ide_device_add(idx, NULL);
+out:
+	return 0;
+}
+
+static int __init bastide_init(void)
+{
+	unsigned long base = BAST_VA_IDEPRI + BAST_IDE_CS;
+
+	/* we can treat the VR1000 and the BAST the same */
+
+	if (!(machine_is_bast() || machine_is_vr1000()))
+		return 0;
+
+	printk("BAST: IDE driver, (c) 2003-2004 Simtec Electronics\n");
+
+	if (!request_mem_region(base, 0x400000, DRV_NAME)) {
+		printk(KERN_ERR "%s: resources busy\n", DRV_NAME);
+		return -EBUSY;
+	}
+
+	bastide_register(BAST_VA_IDEPRI, BAST_VA_IDEPRIAUX, IRQ_IDE0);
+	bastide_register(BAST_VA_IDESEC, BAST_VA_IDESECAUX, IRQ_IDE1);
+
+	return 0;
+}
+
+module_init(bastide_init);
+
+MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Simtec BAST / Thorcom VR1000 IDE driver");
-- 
2.20.1