1 files changed, 78 insertions, 55 deletions

diff --git a/arch/arm/mach-ep93xx/micro9.c b/arch/arm/mach-ep93xx/micro9.c
index 0a313e82fb74..f3757a1c5a10 100644
--- a/arch/arm/mach-ep93xx/micro9.c
+++ b/arch/arm/mach-ep93xx/micro9.c
@@ -2,7 +2,9 @@
  *  linux/arch/arm/mach-ep93xx/micro9.c
  *
  * Copyright (C) 2006 Contec Steuerungstechnik & Automation GmbH
- *                   Manfred Gruber <manfred.gruber@contec.at>
+ *                    Manfred Gruber <m.gruber@tirol.com>
+ * Copyright (C) 2009 Contec Steuerungstechnik & Automation GmbH
+ *                    Hubert Feurstein <hubert.feurstein@contec.at>
  *
  * 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
@@ -13,6 +15,7 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/mtd/physmap.h>
+#include <linux/io.h>
 
 #include <mach/hardware.h>
 
@@ -20,104 +23,124 @@
 #include <asm/mach/arch.h>
 
 
-static struct ep93xx_eth_data micro9_eth_data = {
-        .phy_id         = 0x1f,
-};
-
-static void __init micro9_init(void)
-{
-        ep93xx_register_eth(&micro9_eth_data, 1);
-}
-
-/*
- * Micro9-H
- */
-#ifdef CONFIG_MACH_MICRO9H
-static struct physmap_flash_data micro9h_flash_data = {
-        .width          = 4,
-};
-
-static struct resource micro9h_flash_resource = {
+/*************************************************************************
+ * Micro9 NOR Flash
+ *
+ * Micro9-High has up to 64MB of 32-bit flash on CS1
+ * Micro9-Mid has up to 64MB of either 32-bit or 16-bit flash on CS1
+ * Micro9-Lite uses a seperate MTD map driver for flash support
+ * Micro9-Slim has up to 64MB of either 32-bit or 16-bit flash on CS1
+ *************************************************************************/
+static struct physmap_flash_data micro9_flash_data;
+
+static struct resource micro9_flash_resource = {
         .start          = EP93XX_CS1_PHYS_BASE,
         .end            = EP93XX_CS1_PHYS_BASE + SZ_64M - 1,
         .flags          = IORESOURCE_MEM,
 };
 
-static struct platform_device micro9h_flash = {
+static struct platform_device micro9_flash = {
         .name           = "physmap-flash",
         .id             = 0,
         .dev            = {
-                .platform_data  = &micro9h_flash_data,
+                .platform_data  = &micro9_flash_data,
         },
         .num_resources  = 1,
-        .resource       = &micro9h_flash_resource,
+        .resource       = &micro9_flash_resource,
 };
 
-static void __init micro9h_init(void)
+static void __init __micro9_register_flash(unsigned int width)
+{
+        micro9_flash_data.width = width;
+
+        platform_device_register(&micro9_flash);
+}
+
+static unsigned int __init micro9_detect_bootwidth(void)
+{
+        u32 v;
+
+        /* Detect the bus width of the external flash memory */
+        v = __raw_readl(EP93XX_SYSCON_SYSCFG);
+        if (v & EP93XX_SYSCON_SYSCFG_LCSN7)
+                return 4; /* 32-bit */
+        else
+                return 2; /* 16-bit */
+}
+
+static void __init micro9_register_flash(void)
 {
-        platform_device_register(&micro9h_flash);
+        if (machine_is_micro9())
+                __micro9_register_flash(4);
+        else if (machine_is_micro9m() || machine_is_micro9s())
+                __micro9_register_flash(micro9_detect_bootwidth());
 }
 
-static void __init micro9h_init_machine(void)
+
+/*************************************************************************
+ * Micro9 Ethernet
+ *************************************************************************/
+static struct ep93xx_eth_data micro9_eth_data = {
+        .phy_id         = 0x1f,
+};
+
+
+static void __init micro9_init_machine(void)
 {
         ep93xx_init_devices();
-        micro9_init();
-        micro9h_init();
+        ep93xx_register_eth(&micro9_eth_data, 1);
+        micro9_register_flash();
 }
 
-MACHINE_START(MICRO9, "Contec Hypercontrol Micro9-H")
-        /* Maintainer: Manfred Gruber <manfred.gruber@contec.at> */
+
+#ifdef CONFIG_MACH_MICRO9H
+MACHINE_START(MICRO9, "Contec Micro9-High")
+        /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
         .phys_io        = EP93XX_APB_PHYS_BASE,
         .io_pg_offst    = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
         .boot_params    = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
         .map_io         = ep93xx_map_io,
         .init_irq       = ep93xx_init_irq,
         .timer          = &ep93xx_timer,
-        .init_machine   = micro9h_init_machine,
+        .init_machine   = micro9_init_machine,
 MACHINE_END
 #endif
 
-/*
- * Micro9-M
- */
 #ifdef CONFIG_MACH_MICRO9M
-static void __init micro9m_init_machine(void)
-{
-        ep93xx_init_devices();
-        micro9_init();
-}
-
-MACHINE_START(MICRO9M, "Contec Hypercontrol Micro9-M")
-        /* Maintainer: Manfred Gruber <manfred.gruber@contec.at> */
+MACHINE_START(MICRO9M, "Contec Micro9-Mid")
+        /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
         .phys_io        = EP93XX_APB_PHYS_BASE,
         .io_pg_offst    = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
-        .boot_params    = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
+        .boot_params    = EP93XX_SDCE3_PHYS_BASE_ASYNC + 0x100,
         .map_io         = ep93xx_map_io,
         .init_irq       = ep93xx_init_irq,
         .timer          = &ep93xx_timer,
-        .init_machine   = micro9m_init_machine,
+        .init_machine   = micro9_init_machine,
 MACHINE_END
 #endif
 
-/*
- * Micro9-L
- */
 #ifdef CONFIG_MACH_MICRO9L
-static void __init micro9l_init_machine(void)
-{
-        ep93xx_init_devices();
-        micro9_init();
-}
-
-MACHINE_START(MICRO9L, "Contec Hypercontrol Micro9-L")
-        /* Maintainer: Manfred Gruber <manfred.gruber@contec.at> */
+MACHINE_START(MICRO9L, "Contec Micro9-Lite")
+        /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
         .phys_io        = EP93XX_APB_PHYS_BASE,
         .io_pg_offst    = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
         .boot_params    = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
         .map_io         = ep93xx_map_io,
         .init_irq       = ep93xx_init_irq,
         .timer          = &ep93xx_timer,
-        .init_machine   = micro9l_init_machine,
+        .init_machine   = micro9_init_machine,
 MACHINE_END
 #endif
 
+#ifdef CONFIG_MACH_MICRO9S
+MACHINE_START(MICRO9S, "Contec Micro9-Slim")
+        /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
+        .phys_io        = EP93XX_APB_PHYS_BASE,
+        .io_pg_offst    = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
+        .boot_params    = EP93XX_SDCE3_PHYS_BASE_ASYNC + 0x100,
+        .map_io         = ep93xx_map_io,
+        .init_irq       = ep93xx_init_irq,
+        .timer          = &ep93xx_timer,
+        .init_machine   = micro9_init_machine,
+MACHINE_END
+#endif