[U-Boot] [PATCH v2 3/9] AVR32: Move addrspace.h to arch-directory, and move some functions from io.h to addrspace.h

Gunnar Rangoy
2009-01-23T11:56:28Z

From: Olav Morken <olavmrk@gmail.com>

The AVR32A architecture (which AT32UC3A-series is based on) has a
different memory layout than the AVR32B-architecture. This patch moves
addrspace.h to an arch-dependent directory in preparation for
AT32UC3A-support. It also moves some address-space manipulation
functions from io.h to addrspace.h.

Signed-off-by: Gunnar Rangoy <gunnar@rangoy.com>
Signed-off-by: Paul Driveklepp <pauldriveklepp@gmail.com>
Signed-off-by: Olav Morken <olavmrk@gmail.com>
---
include/asm-avr32/addrspace.h | 46 --------------
include/asm-avr32/arch-at32ap700x/addrspace.h | 84 +++++++++++++++++++++++++
include/asm-avr32/io.h | 39 +-----------
lib_avr32/bootm.c | 2 +-
4 files changed, 87 insertions(+), 84 deletions(-)
delete mode 100644 include/asm-avr32/addrspace.h
create mode 100644 include/asm-avr32/arch-at32ap700x/addrspace.h

diff --git a/include/asm-avr32/addrspace.h b/include/asm-avr32/addrspace.h
deleted file mode 100644
index b2ba1ee..0000000
--- a/include/asm-avr32/addrspace.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * Copyright (C) 2006 Atmel Corporation
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-#ifndef __ASM_AVR32_ADDRSPACE_H
-#define __ASM_AVR32_ADDRSPACE_H
-
-/* Memory segments when segmentation is enabled */
-#define P0SEG 0x00000000
-#define P1SEG 0x80000000
-#define P2SEG 0xa0000000
-#define P3SEG 0xc0000000
-#define P4SEG 0xe0000000
-
-/* Returns the privileged segment base of a given address */
-#define PXSEG(a) (((unsigned long)(a)) & 0xe0000000)
-
-/* Returns the physical address of a PnSEG (n=1,2) address */
-#define PHYSADDR(a) (((unsigned long)(a)) & 0x1fffffff)
-
-/*
- * Map an address to a certain privileged segment
- */
-#define P1SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P1SEG))
-#define P2SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P2SEG))
-#define P3SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P3SEG))
-#define P4SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P4SEG))
-
-#endif /* __ASM_AVR32_ADDRSPACE_H */
diff --git a/include/asm-avr32/arch-at32ap700x/addrspace.h b/include/asm-avr32/arch-at32ap700x/addrspace.h
new file mode 100644
index 0000000..49e2467
--- /dev/null
+++ b/include/asm-avr32/arch-at32ap700x/addrspace.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#ifndef __ASM_AVR32_ADDRSPACE_H
+#define __ASM_AVR32_ADDRSPACE_H
+
+#include <asm/types.h>
+
+/* Memory segments when segmentation is enabled */
+#define P0SEG 0x00000000
+#define P1SEG 0x80000000
+#define P2SEG 0xa0000000
+#define P3SEG 0xc0000000
+#define P4SEG 0xe0000000
+
+/* Returns the privileged segment base of a given address */
+#define PXSEG(a) (((unsigned long)(a)) & 0xe0000000)
+
+/* Returns the physical address of a PnSEG (n=1,2) address */
+#define PHYSADDR(a) (((unsigned long)(a)) & 0x1fffffff)
+
+/*
+ * Map an address to a certain privileged segment
+ */
+#define P1SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P1SEG))
+#define P2SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P2SEG))
+#define P3SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P3SEG))
+#define P4SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P4SEG))
+
+/* virt_to_phys will only work when address is in P1 or P2 */
+static __inline__ unsigned long virt_to_phys(volatile void *address)
+{
+ return PHYSADDR(address);
+}
+
+static __inline__ void * phys_to_virt(unsigned long address)
+{
+ return (void *)P1SEGADDR(address);
+}
+
+#define cached(addr) ((void *)P1SEGADDR(addr))
+#define uncached(addr) ((void *)P2SEGADDR(addr))
+
+/*
+ * Given a physical address and a length, return a virtual address
+ * that can be used to access the memory range with the caching
+ * properties specified by "flags".
+ *
+ * This implementation works for memory below 512MiB (flash, etc.) as
+ * well as above 3.5GiB (internal peripherals.)
+ */
+#define MAP_NOCACHE (0)
+#define MAP_WRCOMBINE (1 << 7)
+#define MAP_WRBACK (MAP_WRCOMBINE | (1 << 9))
+#define MAP_WRTHROUGH (MAP_WRBACK | (1 << 0))
+
+static inline void *
+map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
+{
+ if (flags == MAP_WRBACK)
+ return (void *)P1SEGADDR(paddr);
+ else
+ return (void *)P2SEGADDR(paddr);
+}
+
+#endif /* __ASM_AVR32_ADDRSPACE_H */
diff --git a/include/asm-avr32/io.h b/include/asm-avr32/io.h
index 06e52b1..1cb17ea 100644
--- a/include/asm-avr32/io.h
+++ b/include/asm-avr32/io.h
@@ -73,21 +73,8 @@ extern void __readwrite_bug(const char *fn);
#define inw(p) ({ unsigned int __v = __le16_to_cpu(__raw_readw(p)); __v; })
#define inl(p) ({ unsigned int __v = __le32_to_cpu(__raw_readl(p)); __v; })

-#include <asm/addrspace.h>
-
-/* virt_to_phys will only work when address is in P1 or P2 */
-static __inline__ unsigned long virt_to_phys(volatile void *address)
-{
- return PHYSADDR(address);
-}
-
-static __inline__ void * phys_to_virt(unsigned long address)
-{
- return (void *)P1SEGADDR(address);
-}
-
-#define cached(addr) ((void *)P1SEGADDR(addr))
-#define uncached(addr) ((void *)P2SEGADDR(addr))
+#include <asm/arch/addrspace.h>
+/* Provides virt_to_phys, phys_to_virt, cached, uncached, map_physmem */

#endif /* __KERNEL__ */

@@ -96,28 +83,6 @@ static inline void sync(void)
}

/*
- * Given a physical address and a length, return a virtual address
- * that can be used to access the memory range with the caching
- * properties specified by "flags".
- *
- * This implementation works for memory below 512MiB (flash, etc.) as
- * well as above 3.5GiB (internal peripherals.)
- */
-#define MAP_NOCACHE (0)
-#define MAP_WRCOMBINE (1 << 7)
-#define MAP_WRBACK (MAP_WRCOMBINE | (1 << 9))
-#define MAP_WRTHROUGH (MAP_WRBACK | (1 << 0))
-
-static inline void *
-map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
-{
- if (flags == MAP_WRBACK)
- return (void *)P1SEGADDR(paddr);
- else
- return (void *)P2SEGADDR(paddr);
-}
-
-/*
* Take down a mapping set up by map_physmem().
*/
static inline void unmap_physmem(void *vaddr, unsigned long len)
diff --git a/lib_avr32/bootm.c b/lib_avr32/bootm.c
index 35240e2..9f1a817 100644
--- a/lib_avr32/bootm.c
+++ b/lib_avr32/bootm.c
@@ -24,7 +24,7 @@
#include <image.h>
#include <zlib.h>
#include <asm/byteorder.h>
-#include <asm/addrspace.h>
+#include <asm/arch/addrspace.h>
#include <asm/io.h>
#include <asm/setup.h>
#include <asm/arch/clk.h>
--
1.6.0.4