diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-16 19:03:06 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-16 19:03:06 -0700 |
commit | 16d8775700f1815076f879719ce14b33f50a3171 (patch) | |
tree | 8525e6e6f12b6acf7cf2746853cc65549f3dbf4c /arch/arm/plat-omap | |
parent | e34551339a195aa548eaf698523714a8fe7f1984 (diff) | |
parent | 05e34754518b6a90d5c392790c032575fab12d66 (diff) |
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (91 commits)
ARM: 6806/1: irq: introduce entry and exit functions for chained handlers
ARM: 6781/1: Thumb-2: Work around buggy Thumb-2 short branch relocations in gas
ARM: 6747/1: P2V: Thumb2 support
ARM: 6798/1: aout-core: zero thread debug registers in a.out core dump
ARM: 6796/1: Footbridge: Fix I/O mappings for NOMMU mode
ARM: 6784/1: errata: no automatic Store Buffer drain on Cortex-A9
ARM: 6772/1: errata: possible fault MMU translations following an ASID switch
ARM: 6776/1: mach-ux500: activate fix for errata 753970
ARM: 6794/1: SPEAr: Append UL to device address macros.
ARM: 6793/1: SPEAr: Remove unused *_SIZE macros from spear*.h files
ARM: 6792/1: SPEAr: Replace SIZE macro's with SZ_4K macros
ARM: 6791/1: SPEAr3xx: Declare device structures after shirq code
ARM: 6790/1: SPEAr: Clock Framework: Rename usbd clock and align apb_clk entry
ARM: 6789/1: SPEAr3xx: Rename sdio to sdhci
ARM: 6788/1: SPEAr: Include mach/hardware.h instead of mach/spear.h
ARM: 6787/1: SPEAr: Reorder #includes in .h & .c files.
ARM: 6681/1: SPEAr: add debugfs support to clk API
ARM: 6703/1: SPEAr: update clk API support
ARM: 6679/1: SPEAr: make clk API functions more generic
ARM: 6737/1: SPEAr: formalized timer support
...
Diffstat (limited to 'arch/arm/plat-omap')
-rw-r--r-- | arch/arm/plat-omap/include/plat/memory.h | 4 | ||||
-rw-r--r-- | arch/arm/plat-omap/include/plat/serial.h | 2 | ||||
-rw-r--r-- | arch/arm/plat-omap/include/plat/sram.h | 14 | ||||
-rw-r--r-- | arch/arm/plat-omap/sram.c | 14 |
4 files changed, 25 insertions, 9 deletions
diff --git a/arch/arm/plat-omap/include/plat/memory.h b/arch/arm/plat-omap/include/plat/memory.h index f8d922fb558..e6720aa2d55 100644 --- a/arch/arm/plat-omap/include/plat/memory.h +++ b/arch/arm/plat-omap/include/plat/memory.h @@ -37,9 +37,9 @@ * Physical DRAM offset. */ #if defined(CONFIG_ARCH_OMAP1) -#define PHYS_OFFSET UL(0x10000000) +#define PLAT_PHYS_OFFSET UL(0x10000000) #else -#define PHYS_OFFSET UL(0x80000000) +#define PLAT_PHYS_OFFSET UL(0x80000000) #endif /* diff --git a/arch/arm/plat-omap/include/plat/serial.h b/arch/arm/plat-omap/include/plat/serial.h index cec5d56db2e..8ff605c83ac 100644 --- a/arch/arm/plat-omap/include/plat/serial.h +++ b/arch/arm/plat-omap/include/plat/serial.h @@ -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 (PHYS_OFFSET + 0x3ffc) +#define OMAP_UART_INFO (PLAT_PHYS_OFFSET + 0x3ffc) /* OMAP1 serial ports */ #define OMAP1_UART1_BASE 0xfffb0000 diff --git a/arch/arm/plat-omap/include/plat/sram.h b/arch/arm/plat-omap/include/plat/sram.h index 9967d5e855c..f500fc34d06 100644 --- a/arch/arm/plat-omap/include/plat/sram.h +++ b/arch/arm/plat-omap/include/plat/sram.h @@ -12,7 +12,19 @@ #define __ARCH_ARM_OMAP_SRAM_H #ifndef __ASSEMBLY__ -extern void * omap_sram_push(void * start, unsigned long size); +#include <asm/fncpy.h> + +extern void *omap_sram_push_address(unsigned long size); + +/* Macro to push a function to the internal SRAM, using the fncpy API */ +#define omap_sram_push(funcp, size) ({ \ + typeof(&(funcp)) _res = NULL; \ + void *_sram_address = omap_sram_push_address(size); \ + if (_sram_address) \ + _res = fncpy(_sram_address, &(funcp), size); \ + _res; \ +}) + extern void omap_sram_reprogram_clock(u32 dpllctl, u32 ckctl); extern void omap2_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl, diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c index e26e50487d6..68fcc7dc56e 100644 --- a/arch/arm/plat-omap/sram.c +++ b/arch/arm/plat-omap/sram.c @@ -242,7 +242,14 @@ static void __init omap_map_sram(void) omap_sram_size - SRAM_BOOTLOADER_SZ); } -void * omap_sram_push(void * start, unsigned long size) +/* + * Memory allocator for SRAM: calculates the new ceiling address + * for pushing a function using the fncpy API. + * + * Note that fncpy requires the returned address to be aligned + * to an 8-byte boundary. + */ +void *omap_sram_push_address(unsigned long size) { if (size > (omap_sram_ceil - (omap_sram_base + SRAM_BOOTLOADER_SZ))) { printk(KERN_ERR "Not enough space in SRAM\n"); @@ -250,10 +257,7 @@ void * omap_sram_push(void * start, unsigned long size) } omap_sram_ceil -= size; - omap_sram_ceil = ROUND_DOWN(omap_sram_ceil, sizeof(void *)); - memcpy((void *)omap_sram_ceil, start, size); - flush_icache_range((unsigned long)omap_sram_ceil, - (unsigned long)(omap_sram_ceil + size)); + omap_sram_ceil = ROUND_DOWN(omap_sram_ceil, FNCPY_ALIGN); return (void *)omap_sram_ceil; } |