Merge branch 'depends/rmk/memory_h' into next/fixes

Fix up all conflicts between the memory.h cleanup and bug fixes.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

20 files changed, 53 insertions, 90 deletions

diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c
index 84fd78684868..26d94c0b555c 100644
--- a/arch/arm/mach-davinci/board-da830-evm.c
+++ b/arch/arm/mach-davinci/board-da830-evm.c
@@ -676,7 +676,7 @@ static void __init da830_evm_map_io(void)
 }
 
 MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137/AM17x EVM")
-        .boot_params    = (DA8XX_DDR_BASE + 0x100),
+        .atag_offset    = 0x100,
         .map_io         = da830_evm_map_io,
         .init_irq       = cp_intc_init,
         .timer          = &davinci_timer,
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index 008d51407cd7..6e41cb5baeb4 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -1291,7 +1291,7 @@ static void __init da850_evm_map_io(void)
 }
 
 MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138/AM18x EVM")
-        .boot_params    = (DA8XX_DDR_BASE + 0x100),
+        .atag_offset    = 0x100,
         .map_io         = da850_evm_map_io,
         .init_irq       = cp_intc_init,
         .timer          = &davinci_timer,
diff --git a/arch/arm/mach-davinci/board-dm355-evm.c b/arch/arm/mach-davinci/board-dm355-evm.c
index 241a6bd67408..65566280b7c9 100644
--- a/arch/arm/mach-davinci/board-dm355-evm.c
+++ b/arch/arm/mach-davinci/board-dm355-evm.c
@@ -351,7 +351,7 @@ static __init void dm355_evm_init(void)
 }
 
 MACHINE_START(DAVINCI_DM355_EVM, "DaVinci DM355 EVM")
-        .boot_params  = (0x80000100),
+        .atag_offset  = 0x100,
         .map_io       = dm355_evm_map_io,
         .init_irq     = davinci_irq_init,
         .timer        = &davinci_timer,
diff --git a/arch/arm/mach-davinci/board-dm355-leopard.c b/arch/arm/mach-davinci/board-dm355-leopard.c
index bee284ca7fd6..b307470b071d 100644
--- a/arch/arm/mach-davinci/board-dm355-leopard.c
+++ b/arch/arm/mach-davinci/board-dm355-leopard.c
@@ -270,7 +270,7 @@ static __init void dm355_leopard_init(void)
 }
 
 MACHINE_START(DM355_LEOPARD, "DaVinci DM355 leopard")
-        .boot_params  = (0x80000100),
+        .atag_offset  = 0x100,
         .map_io       = dm355_leopard_map_io,
         .init_irq     = davinci_irq_init,
         .timer        = &davinci_timer,
diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c
index 9818f214d4f0..04c43abcca66 100644
--- a/arch/arm/mach-davinci/board-dm365-evm.c
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -612,7 +612,7 @@ static __init void dm365_evm_init(void)
 }
 
 MACHINE_START(DAVINCI_DM365_EVM, "DaVinci DM365 EVM")
-        .boot_params    = (0x80000100),
+        .atag_offset    = 0x100,
         .map_io         = dm365_evm_map_io,
         .init_irq       = davinci_irq_init,
         .timer          = &davinci_timer,
diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c
index 95607a191e03..a005e7691ddd 100644
--- a/arch/arm/mach-davinci/board-dm644x-evm.c
+++ b/arch/arm/mach-davinci/board-dm644x-evm.c
@@ -712,7 +712,7 @@ static __init void davinci_evm_init(void)
 
 MACHINE_START(DAVINCI_EVM, "DaVinci DM644x EVM")
         /* Maintainer: MontaVista Software <source@mvista.com> */
-        .boot_params  = (DAVINCI_DDR_BASE + 0x100),
+        .atag_offset  = 0x100,
         .map_io       = davinci_evm_map_io,
         .init_irq     = davinci_irq_init,
         .timer        = &davinci_timer,
diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c
index 993a3146fd35..337c45e3e44d 100644
--- a/arch/arm/mach-davinci/board-dm646x-evm.c
+++ b/arch/arm/mach-davinci/board-dm646x-evm.c
@@ -792,7 +792,7 @@ static __init void evm_init(void)
 }
 
 MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM")
-        .boot_params  = (0x80000100),
+        .atag_offset  = 0x100,
         .map_io       = davinci_map_io,
         .init_irq     = davinci_irq_init,
         .timer        = &davinci_timer,
@@ -801,7 +801,7 @@ MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM")
 MACHINE_END
 
 MACHINE_START(DAVINCI_DM6467TEVM, "DaVinci DM6467T EVM")
-        .boot_params  = (0x80000100),
+        .atag_offset  = 0x100,
         .map_io       = davinci_map_io,
         .init_irq     = davinci_irq_init,
         .timer        = &davinci_timer,
diff --git a/arch/arm/mach-davinci/board-mityomapl138.c b/arch/arm/mach-davinci/board-mityomapl138.c
index c278226627ad..6efc84cceca0 100644
--- a/arch/arm/mach-davinci/board-mityomapl138.c
+++ b/arch/arm/mach-davinci/board-mityomapl138.c
@@ -566,7 +566,7 @@ static void __init mityomapl138_map_io(void)
 }
 
 MACHINE_START(MITYOMAPL138, "MityDSP-L138/MityARM-1808")
-        .boot_params    = (DA8XX_DDR_BASE + 0x100),
+        .atag_offset    = 0x100,
         .map_io         = mityomapl138_map_io,
         .init_irq       = cp_intc_init,
         .timer          = &davinci_timer,
diff --git a/arch/arm/mach-davinci/board-neuros-osd2.c b/arch/arm/mach-davinci/board-neuros-osd2.c
index d60a80028ba3..38d6f644d8b9 100644
--- a/arch/arm/mach-davinci/board-neuros-osd2.c
+++ b/arch/arm/mach-davinci/board-neuros-osd2.c
@@ -272,7 +272,7 @@ static __init void davinci_ntosd2_init(void)
 
 MACHINE_START(NEUROS_OSD2, "Neuros OSD2")
         /* Maintainer: Neuros Technologies <neuros@groups.google.com> */
-        .boot_params    = (DAVINCI_DDR_BASE + 0x100),
+        .atag_offset    = 0x100,
         .map_io          = davinci_ntosd2_map_io,
         .init_irq       = davinci_irq_init,
         .timer          = &davinci_timer,
diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c
index 237332a11421..c6701e4a795c 100644
--- a/arch/arm/mach-davinci/board-omapl138-hawk.c
+++ b/arch/arm/mach-davinci/board-omapl138-hawk.c
@@ -338,7 +338,7 @@ static void __init omapl138_hawk_map_io(void)
 }
 
 MACHINE_START(OMAPL138_HAWKBOARD, "AM18x/OMAP-L138 Hawkboard")
-        .boot_params    = (DA8XX_DDR_BASE + 0x100),
+        .atag_offset    = 0x100,
         .map_io         = omapl138_hawk_map_io,
         .init_irq       = cp_intc_init,
         .timer          = &davinci_timer,
diff --git a/arch/arm/mach-davinci/board-sffsdr.c b/arch/arm/mach-davinci/board-sffsdr.c
index 5f4385c0a089..5dd4da9d2308 100644
--- a/arch/arm/mach-davinci/board-sffsdr.c
+++ b/arch/arm/mach-davinci/board-sffsdr.c
@@ -151,7 +151,7 @@ static __init void davinci_sffsdr_init(void)
 
 MACHINE_START(SFFSDR, "Lyrtech SFFSDR")
         /* Maintainer: Hugo Villeneuve hugo.villeneuve@lyrtech.com */
-        .boot_params  = (DAVINCI_DDR_BASE + 0x100),
+        .atag_offset  = 0x100,
         .map_io       = davinci_sffsdr_map_io,
         .init_irq     = davinci_irq_init,
         .timer        = &davinci_timer,
diff --git a/arch/arm/mach-davinci/board-tnetv107x-evm.c b/arch/arm/mach-davinci/board-tnetv107x-evm.c
index 782892065682..90ee7b5aabdc 100644
--- a/arch/arm/mach-davinci/board-tnetv107x-evm.c
+++ b/arch/arm/mach-davinci/board-tnetv107x-evm.c
@@ -277,7 +277,7 @@ console_initcall(tnetv107x_evm_console_init);
 #endif
 
 MACHINE_START(TNETV107X, "TNETV107X EVM")
-        .boot_params    = (TNETV107X_DDR_BASE + 0x100),
+        .atag_offset    = 0x100,
         .map_io         = tnetv107x_init,
         .init_irq       = cp_intc_init,
         .timer          = &davinci_timer,
diff --git a/arch/arm/mach-davinci/common.c b/arch/arm/mach-davinci/common.c
index 1d2557394235..865ffe5899ac 100644
--- a/arch/arm/mach-davinci/common.c
+++ b/arch/arm/mach-davinci/common.c
@@ -12,6 +12,7 @@
 #include <linux/io.h>
 #include <linux/etherdevice.h>
 #include <linux/davinci_emac.h>
+#include <linux/dma-mapping.h>
 
 #include <asm/tlb.h>
 #include <asm/mach/map.h>
@@ -86,6 +87,8 @@ void __init davinci_common_init(struct davinci_soc_info *soc_info)
                 iotable_init(davinci_soc_info.io_desc,
                                 davinci_soc_info.io_desc_num);
 
+        init_consistent_dma_size(14 << 20);
+
         /*
          * Normally devicemaps_init() would flush caches and tlb after
          * mdesc->map_io(), but we must also do it here because of the CPU
diff --git a/arch/arm/mach-davinci/cpuidle.c b/arch/arm/mach-davinci/cpuidle.c
index bd59f31b8a95..0b314bf16f7f 100644
--- a/arch/arm/mach-davinci/cpuidle.c
+++ b/arch/arm/mach-davinci/cpuidle.c
@@ -19,7 +19,7 @@
 #include <asm/proc-fns.h>
 
 #include <mach/cpuidle.h>
-#include <mach/memory.h>
+#include <mach/ddr2.h>
 
 #define DAVINCI_CPUIDLE_MAX_STATES      2
 
diff --git a/arch/arm/mach-davinci/include/mach/ddr2.h b/arch/arm/mach-davinci/include/mach/ddr2.h
new file mode 100644
index 000000000000..c19e047d0e6a
--- /dev/null
+++ b/arch/arm/mach-davinci/include/mach/ddr2.h
@@ -0,0 +1,4 @@
+#define DDR2_SDRCR_OFFSET       0xc
+#define DDR2_SRPD_BIT           (1 << 23)
+#define DDR2_MCLKSTOPEN_BIT     (1 << 30)
+#define DDR2_LPMODEN_BIT        (1 << 31)
diff --git a/arch/arm/mach-davinci/include/mach/debug-macro.S b/arch/arm/mach-davinci/include/mach/debug-macro.S
index f8b7ea4f6235..cf94552d5274 100644
--- a/arch/arm/mach-davinci/include/mach/debug-macro.S
+++ b/arch/arm/mach-davinci/include/mach/debug-macro.S
@@ -18,56 +18,50 @@
 
 #include <linux/serial_reg.h>
 
-#include <asm/memory.h>
-
 #include <mach/serial.h>
 
 #define UART_SHIFT      2
 
-#define davinci_uart_v2p(x)     ((x) - PAGE_OFFSET + PLAT_PHYS_OFFSET)
-#define davinci_uart_p2v(x)     ((x) - PLAT_PHYS_OFFSET + PAGE_OFFSET)
-
                 .pushsection .data
 davinci_uart_phys:      .word   0
 davinci_uart_virt:      .word   0
                 .popsection
 
-                .macro addruart, rp, rv
+                .macro addruart, rp, rv, tmp
 
                 /* Use davinci_uart_phys/virt if already configured */
-10:             mrc     p15, 0, \rp, c1, c0
-                tst     \rp, #1                 @ MMU enabled?
-                ldreq   \rp, =davinci_uart_v2p(davinci_uart_phys)
-                ldrne   \rp, =davinci_uart_phys
-                add     \rv, \rp, #4            @ davinci_uart_virt
-                ldr     \rp, [\rp, #0]
-                ldr     \rv, [\rv, #0]
+10:             adr     \rp, 99f                @ get effective addr of 99f
+                ldr     \rv, [\rp]              @ get absolute addr of 99f
+                sub     \rv, \rv, \rp           @ offset between the two
+                ldr     \rp, [\rp, #4]          @ abs addr of omap_uart_phys
+                sub     \tmp, \rp, \rv          @ make it effective
+                ldr     \rp, [\tmp, #0]         @ davinci_uart_phys
+                ldr     \rv, [\tmp, #4]         @ davinci_uart_virt
                 cmp     \rp, #0                 @ is port configured?
                 cmpne   \rv, #0
-                bne     99f                     @ already configured
+                bne     100f                    @ already configured
 
                 /* Check the debug UART address set in uncompress.h */
-                mrc     p15, 0, \rp, c1, c0
-                tst     \rp, #1                 @ MMU enabled?
+                and     \rp, pc, #0xff000000
+                ldr     \rv, =DAVINCI_UART_INFO_OFS
+                add     \rp, \rp, \rv
 
                 /* Copy uart phys address from decompressor uart info */
-                ldreq   \rv, =davinci_uart_v2p(davinci_uart_phys)
-                ldrne   \rv, =davinci_uart_phys
-                ldreq   \rp, =DAVINCI_UART_INFO
-                ldrne   \rp, =davinci_uart_p2v(DAVINCI_UART_INFO)
-                ldr     \rp, [\rp, #0]
-                str     \rp, [\rv]
+                ldr     \rv, [\rp, #0]
+                str     \rv, [\tmp, #0]
 
                 /* Copy uart virt address from decompressor uart info */
-                ldreq   \rv, =davinci_uart_v2p(davinci_uart_virt)
-                ldrne   \rv, =davinci_uart_virt
-                ldreq   \rp, =DAVINCI_UART_INFO
-                ldrne   \rp, =davinci_uart_p2v(DAVINCI_UART_INFO)
-                ldr     \rp, [\rp, #4]
-                str     \rp, [\rv]
+                ldr     \rv, [\rp, #4]
+                str     \rv, [\tmp, #4]
 
                 b       10b
-99:
+
+                .align
+99:             .word   .
+                .word   davinci_uart_phys
+                .ltorg
+
+100:
                 .endm
 
                 .macro  senduart,rd,rx
diff --git a/arch/arm/mach-davinci/include/mach/memory.h b/arch/arm/mach-davinci/include/mach/memory.h
deleted file mode 100644
index 78731944a70c..000000000000
--- a/arch/arm/mach-davinci/include/mach/memory.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * DaVinci memory space definitions
- *
- * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
- *
- * 2007 (c) MontaVista Software, Inc. This file is licensed under
- * the terms of the GNU General Public License version 2. This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
- */
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-/**************************************************************************
- * Included Files
- **************************************************************************/
-#include <asm/page.h>
-#include <asm/sizes.h>
-
-/**************************************************************************
- * Definitions
- **************************************************************************/
-#define DAVINCI_DDR_BASE        0x80000000
-#define DA8XX_DDR_BASE          0xc0000000
-
-#if defined(CONFIG_ARCH_DAVINCI_DA8XX) && defined(CONFIG_ARCH_DAVINCI_DMx)
-#error Cannot enable DaVinci and DA8XX platforms concurrently
-#elif defined(CONFIG_ARCH_DAVINCI_DA8XX)
-#define PLAT_PHYS_OFFSET DA8XX_DDR_BASE
-#else
-#define PLAT_PHYS_OFFSET DAVINCI_DDR_BASE
-#endif
-
-#define DDR2_SDRCR_OFFSET       0xc
-#define DDR2_SRPD_BIT           BIT(23)
-#define DDR2_MCLKSTOPEN_BIT     BIT(30)
-#define DDR2_LPMODEN_BIT        BIT(31)
-
-/*
- * Increase size of DMA-consistent memory region
- */
-#define CONSISTENT_DMA_SIZE (14<<20)
-
-#endif /* __ASM_ARCH_MEMORY_H */
diff --git a/arch/arm/mach-davinci/include/mach/serial.h b/arch/arm/mach-davinci/include/mach/serial.h
index c9e6ce185a66..e347d88fef91 100644
--- a/arch/arm/mach-davinci/include/mach/serial.h
+++ b/arch/arm/mach-davinci/include/mach/serial.h
@@ -21,8 +21,9 @@
  * macros in debug-macro.S.
  *
  * This area sits just below the page tables (see arch/arm/kernel/head.S).
+ * We define it as a relative offset from start of usable RAM.
  */
-#define DAVINCI_UART_INFO       (PLAT_PHYS_OFFSET + 0x3ff8)
+#define DAVINCI_UART_INFO_OFS   0x3ff8
 
 #define DAVINCI_UART0_BASE      (IO_PHYS + 0x20000)
 #define DAVINCI_UART1_BASE      (IO_PHYS + 0x20400)
diff --git a/arch/arm/mach-davinci/include/mach/uncompress.h b/arch/arm/mach-davinci/include/mach/uncompress.h
index 78d80683cdc2..9dc7cf9664fe 100644
--- a/arch/arm/mach-davinci/include/mach/uncompress.h
+++ b/arch/arm/mach-davinci/include/mach/uncompress.h
@@ -43,7 +43,12 @@ static inline void flush(void)
 
 static inline void set_uart_info(u32 phys, void * __iomem virt)
 {
-        u32 *uart_info = (u32 *)(DAVINCI_UART_INFO);
+        /*
+         * Get address of some.bss variable and round it down
+         * a la CONFIG_AUTO_ZRELADDR.
+         */
+        u32 ram_start = (u32)&uart & 0xf8000000;
+        u32 *uart_info = (u32 *)(ram_start + DAVINCI_UART_INFO_OFS);
 
         uart = (u32 *)phys;
         uart_info[0] = phys;
diff --git a/arch/arm/mach-davinci/sleep.S b/arch/arm/mach-davinci/sleep.S
index 5f1e045a3ad1..d4e9316ecacb 100644
--- a/arch/arm/mach-davinci/sleep.S
+++ b/arch/arm/mach-davinci/sleep.S
@@ -22,7 +22,7 @@
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 #include <mach/psc.h>
-#include <mach/memory.h>
+#include <mach/ddr2.h>
 
 #include "clock.h"