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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-10-18 13:40:54 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-10-18 13:40:54 +0100
commitcefd3e71efca6f4ef7f06f1fc507771d76072741 (patch)
treed76cb7969435d5eccdbd3d081555d0a8203ede4a /arch/arm/plat-omap
parenta26bce1220a4c5a7a074a779e6aad3cae63a94f7 (diff)
parent0cdc8b921d68817b687755b4f6ae20cd8ff1d026 (diff)
Merge branch 'mach_memory_h' of git://git.linaro.org/people/nico/linux into devel-stable
Diffstat (limited to 'arch/arm/plat-omap')
-rw-r--r--arch/arm/plat-omap/Kconfig1
-rw-r--r--arch/arm/plat-omap/include/plat/memory.h89
-rw-r--r--arch/arm/plat-omap/include/plat/serial.h6
-rw-r--r--arch/arm/plat-omap/include/plat/uncompress.h8
4 files changed, 11 insertions, 93 deletions
diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
index bb8f4a6b3e37..95732af7b208 100644
--- a/arch/arm/plat-omap/Kconfig
+++ b/arch/arm/plat-omap/Kconfig
@@ -14,6 +14,7 @@ config ARCH_OMAP1
select CLKDEV_LOOKUP
select CLKSRC_MMIO
select GENERIC_IRQ_CHIP
+ select NEED_MACH_MEMORY_H
help
"Systems based on omap7xx, omap15xx or omap16xx"
diff --git a/arch/arm/plat-omap/include/plat/memory.h b/arch/arm/plat-omap/include/plat/memory.h
deleted file mode 100644
index 7f9df6f1e113..000000000000
--- a/arch/arm/plat-omap/include/plat/memory.h
+++ /dev/null
@@ -1,89 +0,0 @@
-/*
- * arch/arm/plat-omap/include/mach/memory.h
- *
- * Memory map for OMAP-1510 and 1610
- *
- * Copyright (C) 2000 RidgeRun, Inc.
- * Author: Greg Lonnon <glonnon@ridgerun.com>
- *
- * This file was derived from arch/arm/mach-intergrator/include/mach/memory.h
- * Copyright (C) 1999 ARM Limited
- *
- * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * 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.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-/*
- * Physical DRAM offset.
- */
-#if defined(CONFIG_ARCH_OMAP1)
-#define PLAT_PHYS_OFFSET UL(0x10000000)
-#else
-#define PLAT_PHYS_OFFSET UL(0x80000000)
-#endif
-
-/*
- * Bus address is physical address, except for OMAP-1510 Local Bus.
- * OMAP-1510 bus address is translated into a Local Bus address if the
- * OMAP bus type is lbus. We do the address translation based on the
- * device overriding the defaults used in the dma-mapping API.
- * Note that the is_lbus_device() test is not very efficient on 1510
- * because of the strncmp().
- */
-#ifdef CONFIG_ARCH_OMAP15XX
-
-/*
- * OMAP-1510 Local Bus address offset
- */
-#define OMAP1510_LB_OFFSET UL(0x30000000)
-
-#define virt_to_lbus(x) ((x) - PAGE_OFFSET + OMAP1510_LB_OFFSET)
-#define lbus_to_virt(x) ((x) - OMAP1510_LB_OFFSET + PAGE_OFFSET)
-#define is_lbus_device(dev) (cpu_is_omap15xx() && dev && (strncmp(dev_name(dev), "ohci", 4) == 0))
-
-#define __arch_pfn_to_dma(dev, pfn) \
- ({ dma_addr_t __dma = __pfn_to_phys(pfn); \
- if (is_lbus_device(dev)) \
- __dma = __dma - PHYS_OFFSET + OMAP1510_LB_OFFSET; \
- __dma; })
-
-#define __arch_dma_to_pfn(dev, addr) \
- ({ dma_addr_t __dma = addr; \
- if (is_lbus_device(dev)) \
- __dma += PHYS_OFFSET - OMAP1510_LB_OFFSET; \
- __phys_to_pfn(__dma); \
- })
-
-#define __arch_dma_to_virt(dev, addr) ({ (void *) (is_lbus_device(dev) ? \
- lbus_to_virt(addr) : \
- __phys_to_virt(addr)); })
-
-#define __arch_virt_to_dma(dev, addr) ({ unsigned long __addr = (unsigned long)(addr); \
- (dma_addr_t) (is_lbus_device(dev) ? \
- virt_to_lbus(__addr) : \
- __virt_to_phys(__addr)); })
-
-#endif /* CONFIG_ARCH_OMAP15XX */
-
-#endif
-
diff --git a/arch/arm/plat-omap/include/plat/serial.h b/arch/arm/plat-omap/include/plat/serial.h
index de3b10c18127..1ab9fd6abe6d 100644
--- a/arch/arm/plat-omap/include/plat/serial.h
+++ b/arch/arm/plat-omap/include/plat/serial.h
@@ -16,8 +16,8 @@
#include <linux/init.h>
/*
- * Memory entry used for the DEBUG_LL UART configuration. See also
- * uncompress.h and debug-macro.S.
+ * Memory entry used for the DEBUG_LL UART configuration, relative to
+ * start of RAM. See also uncompress.h and debug-macro.S.
*
* Note that using a memory location for storing the UART configuration
* has at least two limitations:
@@ -27,7 +27,7 @@
* 2. We assume printascii is called at least once before paging_init,
* and addruart has a chance to read OMAP_UART_INFO
*/
-#define OMAP_UART_INFO (PLAT_PHYS_OFFSET + 0x3ffc)
+#define OMAP_UART_INFO_OFS 0x3ffc
/* OMAP1 serial ports */
#define OMAP1_UART1_BASE 0xfffb0000
diff --git a/arch/arm/plat-omap/include/plat/uncompress.h b/arch/arm/plat-omap/include/plat/uncompress.h
index a067484cc4a2..2f472e989ec6 100644
--- a/arch/arm/plat-omap/include/plat/uncompress.h
+++ b/arch/arm/plat-omap/include/plat/uncompress.h
@@ -36,7 +36,13 @@ int uart_shift;
*/
static void set_omap_uart_info(unsigned char port)
{
- *(volatile u32 *)OMAP_UART_INFO = port;
+ /*
+ * Get address of some.bss variable and round it down
+ * a la CONFIG_AUTO_ZRELADDR.
+ */
+ u32 ram_start = (u32)&uart_shift & 0xf8000000;
+ u32 *uart_info = (u32 *)(ram_start + OMAP_UART_INFO_OFS);
+ *uart_info = port;
}
static void putc(int c)