Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (272 commits)
  Fix soc_common PCMCIA configuration
  ARM: 5827/1: SA1100: h3100/h3600: emit messages on failed gpio_request
  ARM: 5826/1: SA1100: h3100/h3600: always build htc-egpio driver
  ARM: 5825/1: SA1100: h3600: update defconfig
  ARM: 5824/1: SA1100: reuse h3600 PCMCIA driver on h3100
  ARM: 5823/1: SA1100: h3100/h3600: add support for gpio-keys
  ARM: 5822/1: SA1100: h3100/h3600: clean up #includes
  ARM: 5821/1: SA1100: h3100/h3600: revise copyright boilerplates
  ARM: 5820/1: SA1100: h3100/h3600: split h3600.c
  ARM: 5819/1: SA1100: h3100/h3600: merge h3600.h and h3600_gpio.h into h3xxx.h
  ARM: 5818/1: SA1100: h3100/h3600: drop old GPIO definitions
  ARM: 5817/1: SA1100: h3100/h3600: configure all unused gpios as inputs
  ARM: 5816/1: SA1100: h3600: remove IRQ_GPIO_* definitions
  ARM: 5815/1: SA1100: h3100/h3600: remove now unused assign_h3600_egpio handlers
  ARM: 5814/1: SA1100: h3100/h3600: convert all users of assign_h3600_egpio to gpiolib
  ARM: 5813/1: SA1100: h3100/h3600: add htc-egpio driver
  ARM: 5812/1: SA1100: h3100/h3600: separate machine-specific LCD helpers
  ARM: 5811/2: pcmcia: convert sa1100_h3600 driver to gpiolib
  ARM: 5799/1: SA1100: h3600: stop setting direction for LCD pins
  ARM: 5798/1: SA1100: h3600: remove unused cruft from h3600.h
  ...

1 files changed, 57 insertions, 0 deletions

diff --git a/arch/arm/mach-mx3/cpu.c b/arch/arm/mach-mx3/cpu.c
new file mode 100644
index 00000000000..db828809c67
--- /dev/null
+++ b/arch/arm/mach-mx3/cpu.c
@@ -0,0 +1,57 @@
+/*
+ * MX3 CPU type detection
+ *
+ * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
+ *
+ * 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.
+ */
+
+#include <linux/module.h>
+#include <linux/io.h>
+#include <mach/hardware.h>
+#include <mach/iim.h>
+
+unsigned int mx31_cpu_rev;
+EXPORT_SYMBOL(mx31_cpu_rev);
+
+struct mx3_cpu_type {
+	u8 srev;
+	const char *name;
+	const char *v;
+	unsigned int rev;
+};
+
+static struct mx3_cpu_type mx31_cpu_type[] __initdata = {
+	{ .srev = 0x00, .name = "i.MX31(L)", .v = "1.0",  .rev = CHIP_REV_1_0	},
+	{ .srev = 0x10, .name = "i.MX31",    .v = "1.1",  .rev = CHIP_REV_1_1	},
+	{ .srev = 0x11, .name = "i.MX31L",   .v = "1.1",  .rev = CHIP_REV_1_1	},
+	{ .srev = 0x12, .name = "i.MX31",    .v = "1.15", .rev = CHIP_REV_1_1	},
+	{ .srev = 0x13, .name = "i.MX31L",   .v = "1.15", .rev = CHIP_REV_1_1	},
+	{ .srev = 0x14, .name = "i.MX31",    .v = "1.2",  .rev = CHIP_REV_1_2	},
+	{ .srev = 0x15, .name = "i.MX31L",   .v = "1.2",  .rev = CHIP_REV_1_2	},
+	{ .srev = 0x28, .name = "i.MX31",    .v = "2.0",  .rev = CHIP_REV_2_0	},
+	{ .srev = 0x29, .name = "i.MX31L",   .v = "2.0",  .rev = CHIP_REV_2_0	},
+};
+
+void __init mx31_read_cpu_rev(void)
+{
+	u32 i, srev;
+
+	/* read SREV register from IIM module */
+	srev = __raw_readl(IO_ADDRESS(IIM_BASE_ADDR) + MXC_IIMSREV);
+
+	for (i = 0; i < ARRAY_SIZE(mx31_cpu_type); i++)
+		if (srev == mx31_cpu_type[i].srev) {
+			printk(KERN_INFO
+				"CPU identified as %s, silicon rev %s\n",
+				mx31_cpu_type[i].name, mx31_cpu_type[i].v);
+
+			mx31_cpu_rev = mx31_cpu_type[i].rev;
+			return;
+		}
+
+	printk(KERN_WARNING "Unknown CPU identifier. srev = %02x\n", srev);
+}