1 files changed, 89 insertions, 7 deletions

diff --git a/arch/arm/mach-s3c2440/mach-osiris.c b/arch/arm/mach-s3c2440/mach-osiris.c
index 4d6c7a574c1..89f4c9c5777 100644
--- a/arch/arm/mach-s3c2440/mach-osiris.c
+++ b/arch/arm/mach-s3c2440/mach-osiris.c
@@ -16,6 +16,7 @@
 #include <linux/timer.h>
 #include <linux/init.h>
 #include <linux/device.h>
+#include <linux/sysdev.h>
 #include <linux/serial_core.h>
 
 #include <asm/mach/arch.h>
@@ -65,6 +66,11 @@ static struct map_desc osiris_iodesc[] __initdata = {
   /* CPLD control registers */
 
   {
+	  .virtual	= (u32)OSIRIS_VA_CTRL0,
+	  .pfn		= __phys_to_pfn(OSIRIS_PA_CTRL0),
+	  .length	= SZ_16K,
+	  .type		= MT_DEVICE,
+  }, {
 	  .virtual	= (u32)OSIRIS_VA_CTRL1,
 	  .pfn		= __phys_to_pfn(OSIRIS_PA_CTRL1),
 	  .length	= SZ_16K,
@@ -74,6 +80,11 @@ static struct map_desc osiris_iodesc[] __initdata = {
 	  .pfn		= __phys_to_pfn(OSIRIS_PA_CTRL2),
 	  .length	= SZ_16K,
 	  .type		= MT_DEVICE,
+  }, {
+	  .virtual	= (u32)OSIRIS_VA_IDREG,
+	  .pfn		= __phys_to_pfn(OSIRIS_PA_IDREG),
+	  .length	= SZ_16K,
+	  .type		= MT_DEVICE,
   },
 };
 
@@ -155,6 +166,29 @@ static struct mtd_partition osiris_default_nand_part[] = {
 	}
 };
 
+static struct mtd_partition osiris_default_nand_part_large[] = {
+	[0] = {
+		.name	= "Boot Agent",
+		.size	= SZ_128K,
+		.offset	= 0,
+	},
+	[1] = {
+		.name	= "/boot",
+		.size	= SZ_4M - SZ_128K,
+		.offset	= SZ_128K,
+	},
+	[2] = {
+		.name	= "user1",
+		.offset	= SZ_4M,
+		.size	= SZ_32M - SZ_4M,
+	},
+	[3] = {
+		.name	= "user2",
+		.offset	= SZ_32M,
+		.size	= MTDPART_SIZ_FULL,
+	}
+};
+
 /* the Osiris has 3 selectable slots for nand-flash, the two
  * on-board chip areas, as well as the external slot.
  *
@@ -195,13 +229,13 @@ static void osiris_nand_select(struct s3c2410_nand_set *set, int slot)
 	pr_debug("osiris_nand: selecting slot %d (set %p,%p)\n",
 		 slot, set, set->nr_map);
 
-	tmp = __raw_readb(OSIRIS_VA_CTRL1);
-	tmp &= ~OSIRIS_CTRL1_NANDSEL;
+	tmp = __raw_readb(OSIRIS_VA_CTRL0);
+	tmp &= ~OSIRIS_CTRL0_NANDSEL;
 	tmp |= slot;
 
-	pr_debug("osiris_nand: ctrl1 now %02x\n", tmp);
+	pr_debug("osiris_nand: ctrl0 now %02x\n", tmp);
 
-	__raw_writeb(tmp, OSIRIS_VA_CTRL1);
+	__raw_writeb(tmp, OSIRIS_VA_CTRL0);
 }
 
 static struct s3c2410_platform_nand osiris_nand_info = {
@@ -235,10 +269,45 @@ static struct platform_device osiris_pcmcia = {
 	.resource	= osiris_pcmcia_resource,
 };
 
+/* Osiris power management device */
+
+#ifdef CONFIG_PM
+static unsigned char pm_osiris_ctrl0;
+
+static int osiris_pm_suspend(struct sys_device *sd, pm_message_t state)
+{
+	pm_osiris_ctrl0 = __raw_readb(OSIRIS_VA_CTRL0);
+	return 0;
+}
+
+static int osiris_pm_resume(struct sys_device *sd)
+{
+	if (pm_osiris_ctrl0 & OSIRIS_CTRL0_FIX8)
+		__raw_writeb(OSIRIS_CTRL1_FIX8, OSIRIS_VA_CTRL1);
+
+	return 0;
+}
+
+#else
+#define osiris_pm_suspend NULL
+#define osiris_pm_resume NULL
+#endif
+
+static struct sysdev_class osiris_pm_sysclass = {
+	set_kset_name("mach-osiris"),
+	.suspend	= osiris_pm_suspend,
+	.resume		= osiris_pm_resume,
+};
+
+static struct sys_device osiris_pm_sysdev = {
+	.cls		= &osiris_pm_sysclass,
+};
+
 /* Standard Osiris devices */
 
 static struct platform_device *osiris_devices[] __initdata = {
 	&s3c_device_i2c,
+	&s3c_device_wdt,
 	&s3c_device_nand,
 	&osiris_pcmcia,
 };
@@ -276,18 +345,30 @@ static void __init osiris_map_io(void)
 	s3c24xx_init_clocks(0);
 	s3c24xx_init_uarts(osiris_uartcfgs, ARRAY_SIZE(osiris_uartcfgs));
 
+	/* check for the newer revision boards with large page nand */
+
+	if ((__raw_readb(OSIRIS_VA_IDREG) & OSIRIS_ID_REVMASK) >= 4) {
+		printk(KERN_INFO "OSIRIS-B detected (revision %d)\n",
+		       __raw_readb(OSIRIS_VA_IDREG) & OSIRIS_ID_REVMASK);
+		osiris_nand_sets[0].partitions = osiris_default_nand_part_large;
+		osiris_nand_sets[0].nr_partitions = ARRAY_SIZE(osiris_default_nand_part_large);
+	} else {
+		/* write-protect line to the NAND */
+		s3c2410_gpio_setpin(S3C2410_GPA0, 1);
+	}
+
 	/* fix bus configuration (nBE settings wrong on ABLE pre v2.20) */
 
 	local_irq_save(flags);
 	__raw_writel(__raw_readl(S3C2410_BWSCON) | S3C2410_BWSCON_ST1 | S3C2410_BWSCON_ST2 | S3C2410_BWSCON_ST3 | S3C2410_BWSCON_ST4 | S3C2410_BWSCON_ST5, S3C2410_BWSCON);
 	local_irq_restore(flags);
-
-	/* write-protect line to the NAND */
-	s3c2410_gpio_setpin(S3C2410_GPA0, 1);
 }
 
 static void __init osiris_init(void)
 {
+	sysdev_class_register(&osiris_pm_sysclass);
+	sysdev_register(&osiris_pm_sysdev);
+
 	platform_add_devices(osiris_devices, ARRAY_SIZE(osiris_devices));
 };
 
@@ -299,5 +380,6 @@ MACHINE_START(OSIRIS, "Simtec-OSIRIS")
 	.map_io		= osiris_map_io,
 	.init_machine	= osiris_init,
 	.init_irq	= s3c24xx_init_irq,
+	.init_machine	= osiris_init,
 	.timer		= &s3c24xx_timer,
 MACHINE_END