ARM: 5750/1: ep93xx/micro9: Update platform code

Update Contec Micro9 platform code

Cc: Ryan Mallon <ryan@bluewatersys.com>
Requires: 5749/1
Signed-off-by: Hubert Feurstein <hubert.feurstein@contec.at>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/mach-ep93xx/Kconfig b/arch/arm/mach-ep93xx/Kconfig
index 6675c051f62fbe61f8533bc926dfe5c7242113e4..4ad0380ff806019d503ed2e9e2d21facc5f06b31 100644 (file)
--- a/arch/arm/mach-ep93xx/Kconfig
+++ b/arch/arm/mach-ep93xx/Kconfig
@@ -130,28 +130,28 @@ config MACH_MICRO9
        bool
 
 config MACH_MICRO9H
-       bool "Support Contec Hypercontrol Micro9-H"
+       bool "Support Contec Micro9-High"
        depends on EP93XX_SDCE3_SYNC_PHYS_OFFSET
        select MACH_MICRO9
        help
          Say 'Y' here if you want your kernel to support the
-         Contec Hypercontrol Micro9-H board.
+         Contec Micro9-High board.
 
 config MACH_MICRO9M
-       bool "Support Contec Hypercontrol Micro9-M"
-       depends on EP93XX_SDCE3_SYNC_PHYS_OFFSET
+       bool "Support Contec Micro9-Mid"
+       depends on EP93XX_SDCE3_ASYNC_PHYS_OFFSET
        select MACH_MICRO9
        help
          Say 'Y' here if you want your kernel to support the
-         Contec Hypercontrol Micro9-M board.
+         Contec Micro9-Mid board.
 
 config MACH_MICRO9L
-       bool "Support Contec Hypercontrol Micro9-L"
+       bool "Support Contec Micro9-Lite"
        depends on EP93XX_SDCE3_SYNC_PHYS_OFFSET
        select MACH_MICRO9
        help
          Say 'Y' here if you want your kernel to support the
-         Contec Hypercontrol Micro9-L board.
+         Contec Micro9-Lite board.
 
 config MACH_TS72XX
        bool "Support Technologic Systems TS-72xx SBC"

diff --git a/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
index 0fbf87b163385296ee932644d54a6875cfd7bdc3..587756dbd6f6c0c4b1764877ce8e6224bdbf3248 100644 (file)
--- a/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
+++ b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
@@ -218,6 +218,17 @@
 #define EP93XX_SYSCON_KEYTCHCLKDIV_ADIV        (1<<16)
 #define EP93XX_SYSCON_KEYTCHCLKDIV_KEN (1<<15)
 #define EP93XX_SYSCON_KEYTCHCLKDIV_KDIV        (1<<0)
+#define EP93XX_SYSCON_SYSCFG           EP93XX_SYSCON_REG(0x9c)
+#define EP93XX_SYSCON_SYSCFG_REV_MASK  (0xf0000000)
+#define EP93XX_SYSCON_SYSCFG_REV_SHIFT (28)
+#define EP93XX_SYSCON_SYSCFG_SBOOT     (1<<8)
+#define EP93XX_SYSCON_SYSCFG_LCSN7     (1<<7)
+#define EP93XX_SYSCON_SYSCFG_LCSN6     (1<<6)
+#define EP93XX_SYSCON_SYSCFG_LASDO     (1<<5)
+#define EP93XX_SYSCON_SYSCFG_LEEDA     (1<<4)
+#define EP93XX_SYSCON_SYSCFG_LEECLK    (1<<3)
+#define EP93XX_SYSCON_SYSCFG_LCSN2     (1<<1)
+#define EP93XX_SYSCON_SYSCFG_LCSN1     (1<<0)
 #define EP93XX_SYSCON_SWLOCK           EP93XX_SYSCON_REG(0xc0)
 
 #define EP93XX_WATCHDOG_BASE           EP93XX_APB_IOMEM(0x00140000)

diff --git a/arch/arm/mach-ep93xx/micro9.c b/arch/arm/mach-ep93xx/micro9.c
index 72e7a7dfd7bf6b7b4cc494fb05e3bb1a227e2b9b..49fbee5adde2051831ea654d764ea47f738c158d 100644 (file)
--- a/arch/arm/mach-ep93xx/micro9.c
+++ b/arch/arm/mach-ep93xx/micro9.c
@@ -22,52 +22,77 @@
 #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,
-};
+/*************************************************************************
+ * 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
+ *************************************************************************/
+static struct physmap_flash_data micro9_flash_data;
 
-static struct resource micro9h_flash_resource = {
+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)
 {
-       platform_device_register(&micro9h_flash);
+       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 micro9h_init_machine(void)
+static void __init micro9_register_flash(void)
+{
+       if (machine_is_micro9())
+               __micro9_register_flash(4);
+       else if (machine_is_micro9m())
+               __micro9_register_flash(micro9_detect_bootwidth());
+}
+
+
+/*************************************************************************
+ * 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")
+
+#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,
@@ -75,43 +100,25 @@ MACHINE_START(MICRO9, "Contec Hypercontrol Micro9-H")
        .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")
+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")
+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,
@@ -119,7 +126,6 @@ MACHINE_START(MICRO9L, "Contec Hypercontrol Micro9-L")
        .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
-