[ARM] 3620/2: ixp23xx: add uengine loader support

Patch from Lennert Buytenhek

This patch allows the ixp2000 uengine loader that is already in the
tree to also be used on the ixp23xx.

Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

2 files changed, 18 insertions, 0 deletions

diff --git a/include/asm-arm/arch-ixp23xx/ixp23xx.h b/include/asm-arm/arch-ixp23xx/ixp23xx.h
index 01efdbd1180f..d0a72201ee96 100644
--- a/include/asm-arm/arch-ixp23xx/ixp23xx.h
+++ b/include/asm-arm/arch-ixp23xx/ixp23xx.h
@@ -124,6 +124,7 @@
 
 #define IXP23XX_EXP_UNIT_FUSE           IXP23XX_EXP_CFG_REG(0x28)
 #define IXP23XX_EXP_MSF_MUX             IXP23XX_EXP_CFG_REG(0x30)
+#define IXP23XX_EXP_CFG_FUSE            IXP23XX_EXP_CFG_REG(0x34)
 
 #define IXP23XX_EXP_BUS_PHYS            0x90000000
 #define IXP23XX_EXP_BUS_WINDOW_SIZE     0x01000000
@@ -265,6 +266,8 @@
 #define IXP23XX_PCI_UNIT_RESET          (1 << 1)
 #define IXP23XX_XSCALE_RESET            (1 << 0)
 
+#define IXP23XX_UENGINE_CSR_VIRT_BASE   (IXP23XX_CAP_CSR_VIRT + 0x18000)
+
 
 /****************************************************************************
  * PCI CSRs.
diff --git a/include/asm-arm/arch-ixp23xx/platform.h b/include/asm-arm/arch-ixp23xx/platform.h
index e4d99060a049..19a73b39c864 100644
--- a/include/asm-arm/arch-ixp23xx/platform.h
+++ b/include/asm-arm/arch-ixp23xx/platform.h
@@ -14,6 +14,21 @@
 
 #ifndef __ASSEMBLY__
 
+extern inline unsigned long ixp2000_reg_read(volatile void *reg)
+{
+        return *((volatile unsigned long *)reg);
+}
+
+extern inline void ixp2000_reg_write(volatile void *reg, unsigned long val)
+{
+        *((volatile unsigned long *)reg) = val;
+}
+
+extern inline void ixp2000_reg_wrb(volatile void *reg, unsigned long val)
+{
+        *((volatile unsigned long *)reg) = val;
+}
+
 struct pci_sys_data;
 
 void ixp23xx_map_io(void);