IXP4xx: map CPU config registers within VMALLOC region.

Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>

3 files changed, 21 insertions, 38 deletions

diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
index acc0584377f..8c0c0e2d072 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -73,14 +73,6 @@ static struct map_desc ixp4xx_io_desc[] __initdata = {
                 .length         = IXP4XX_QMGR_REGION_SIZE,
                 .type           = MT_DEVICE
         },
-#ifdef CONFIG_DEBUG_LL
-        {       /* Debug UART mapping */
-                .virtual        = (unsigned long)IXP4XX_DEBUG_UART_BASE_VIRT,
-                .pfn            = __phys_to_pfn(IXP4XX_DEBUG_UART_BASE_PHYS),
-                .length         = IXP4XX_DEBUG_UART_REGION_SIZE,
-                .type           = MT_DEVICE
-        }
-#endif
 };
 
 void __init ixp4xx_map_io(void)
diff --git a/arch/arm/mach-ixp4xx/include/mach/debug-macro.S b/arch/arm/mach-ixp4xx/include/mach/debug-macro.S
index 8c9f8d56449..ff686cbc5df 100644
--- a/arch/arm/mach-ixp4xx/include/mach/debug-macro.S
+++ b/arch/arm/mach-ixp4xx/include/mach/debug-macro.S
@@ -17,8 +17,8 @@
 #else
                 mov     \rp, #0
 #endif
-                orr     \rv, \rp, #0xff000000   @ virtual
-                orr     \rv, \rv, #0x00b00000
+                orr     \rv, \rp, #0xfe000000   @ virtual
+                orr     \rv, \rv, #0x00f00000
                 orr     \rp, \rp, #0xc8000000   @ physical
                 .endm
 
diff --git a/arch/arm/mach-ixp4xx/include/mach/ixp4xx-regs.h b/arch/arm/mach-ixp4xx/include/mach/ixp4xx-regs.h
index a24a8fe7660..c5bae9c035d 100644
--- a/arch/arm/mach-ixp4xx/include/mach/ixp4xx-regs.h
+++ b/arch/arm/mach-ixp4xx/include/mach/ixp4xx-regs.h
@@ -30,52 +30,43 @@
  *
  * 0x50000000   0x10000000      ioremap'd       EXP BUS
  *
- * 0x60000000   0x00004000      0xffbe7000      QMgr
+ * 0xC8000000   0x00013000      0xFEF00000      On-Chip Peripherals
  *
- * 0xC8000000   0x00013000      0xffbeb000      On-Chip Peripherals
+ * 0xC0000000   0x00001000      0xFEF13000      PCI CFG
  *
- * 0xC4000000   0x00001000      0xffbfe000      EXP CFG
+ * 0xC4000000   0x00001000      0xFEF14000      EXP CFG
  *
- * 0xC0000000   0x00001000      0xffbff000      PCI CFG
+ * 0x60000000   0x00004000      0xFEF15000      QMgr
  */
 
 /*
  * Queue Manager
  */
-#define IXP4XX_QMGR_BASE_PHYS           (0x60000000)
-#define IXP4XX_QMGR_BASE_VIRT           IOMEM(0xFFBE7000)
-#define IXP4XX_QMGR_REGION_SIZE         (0x00004000)
+#define IXP4XX_QMGR_BASE_PHYS           0x60000000
+#define IXP4XX_QMGR_BASE_VIRT           IOMEM(0xFEF15000)
+#define IXP4XX_QMGR_REGION_SIZE         0x00004000
 
 /*
- * Expansion BUS Configuration registers
+ * Peripheral space, including debug UART. Must be section-aligned so that
+ * it can be used with the low-level debug code.
  */
-#define IXP4XX_EXP_CFG_BASE_PHYS        (0xC4000000)
-#define IXP4XX_EXP_CFG_BASE_VIRT        IOMEM(0xFFBFE000)
-#define IXP4XX_EXP_CFG_REGION_SIZE      (0x00001000)
+#define IXP4XX_PERIPHERAL_BASE_PHYS     0xC8000000
+#define IXP4XX_PERIPHERAL_BASE_VIRT     IOMEM(0xFEF00000)
+#define IXP4XX_PERIPHERAL_REGION_SIZE   0x00013000
 
 /*
  * PCI Config registers
  */
-#define IXP4XX_PCI_CFG_BASE_PHYS        (0xC0000000)
-#define IXP4XX_PCI_CFG_BASE_VIRT        IOMEM(0xFFBFF000)
-#define IXP4XX_PCI_CFG_REGION_SIZE      (0x00001000)
-
-/*
- * Peripheral space
- */
-#define IXP4XX_PERIPHERAL_BASE_PHYS     (0xC8000000)
-#define IXP4XX_PERIPHERAL_BASE_VIRT     IOMEM(0xFFBEB000)
-#define IXP4XX_PERIPHERAL_REGION_SIZE   (0x00013000)
+#define IXP4XX_PCI_CFG_BASE_PHYS        0xC0000000
+#define IXP4XX_PCI_CFG_BASE_VIRT        IOMEM(0xFEF13000)
+#define IXP4XX_PCI_CFG_REGION_SIZE      0x00001000
 
 /*
- * Debug UART
- *
- * This is basically a remap of UART1 into a region that is section
- * aligned so that it * can be used with the low-level debug code.
+ * Expansion BUS Configuration registers
  */
-#define IXP4XX_DEBUG_UART_BASE_PHYS     (0xC8000000)
-#define IXP4XX_DEBUG_UART_BASE_VIRT     IOMEM(0xffb00000)
-#define IXP4XX_DEBUG_UART_REGION_SIZE   (0x00001000)
+#define IXP4XX_EXP_CFG_BASE_PHYS        0xC4000000
+#define IXP4XX_EXP_CFG_BASE_VIRT        0xFEF14000
+#define IXP4XX_EXP_CFG_REGION_SIZE      0x00001000
 
 #define IXP4XX_EXP_CS0_OFFSET   0x00
 #define IXP4XX_EXP_CS1_OFFSET   0x04