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authorArnd Bergmann <arnd@arndb.de>2011-10-31 23:11:46 +0100
committerArnd Bergmann <arnd@arndb.de>2011-10-31 23:11:53 +0100
commit5839fec9d8db35b2b07359b18a77295418e239ad (patch)
treef060f613c7d76b2784a93c96b7b8cd3f0d201254 /arch/arm/mach-davinci
parent43872fa788060eef91ae437957e0a5e39f1c56fd (diff)
parent0cdc8b921d68817b687755b4f6ae20cd8ff1d026 (diff)
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>
Diffstat (limited to 'arch/arm/mach-davinci')
-rw-r--r--arch/arm/mach-davinci/board-da830-evm.c2
-rw-r--r--arch/arm/mach-davinci/board-da850-evm.c2
-rw-r--r--arch/arm/mach-davinci/board-dm355-evm.c2
-rw-r--r--arch/arm/mach-davinci/board-dm355-leopard.c2
-rw-r--r--arch/arm/mach-davinci/board-dm365-evm.c2
-rw-r--r--arch/arm/mach-davinci/board-dm644x-evm.c2
-rw-r--r--arch/arm/mach-davinci/board-dm646x-evm.c4
-rw-r--r--arch/arm/mach-davinci/board-mityomapl138.c2
-rw-r--r--arch/arm/mach-davinci/board-neuros-osd2.c2
-rw-r--r--arch/arm/mach-davinci/board-omapl138-hawk.c2
-rw-r--r--arch/arm/mach-davinci/board-sffsdr.c2
-rw-r--r--arch/arm/mach-davinci/board-tnetv107x-evm.c2
-rw-r--r--arch/arm/mach-davinci/common.c3
-rw-r--r--arch/arm/mach-davinci/cpuidle.c2
-rw-r--r--arch/arm/mach-davinci/include/mach/ddr2.h4
-rw-r--r--arch/arm/mach-davinci/include/mach/debug-macro.S52
-rw-r--r--arch/arm/mach-davinci/include/mach/memory.h44
-rw-r--r--arch/arm/mach-davinci/include/mach/serial.h3
-rw-r--r--arch/arm/mach-davinci/include/mach/uncompress.h7
-rw-r--r--arch/arm/mach-davinci/sleep.S2
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 84fd7868486..26d94c0b555 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 008d51407cd..6e41cb5baeb 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 241a6bd6740..65566280b7c 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 bee284ca7fd..b307470b071 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 9818f214d4f..04c43abcca6 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 95607a191e0..a005e7691dd 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 993a3146fd3..337c45e3e44 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 c278226627a..6efc84cceca 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 d60a80028ba..38d6f644d8b 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 237332a1142..c6701e4a795 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 5f4385c0a08..5dd4da9d230 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 78289206568..90ee7b5aabd 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 1d255739423..865ffe5899a 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 bd59f31b8a9..0b314bf16f7 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 00000000000..c19e047d0e6
--- /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 f8b7ea4f623..cf94552d527 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 78731944a70..00000000000
--- 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 c9e6ce185a6..e347d88fef9 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 78d80683cdc..9dc7cf9664f 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 5f1e045a3ad..d4e9316ecac 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"