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| author | Wolfgang Denk <wd@denx.de> | 2011-12-07 09:09:58 +0100 | 
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2011-12-07 09:09:58 +0100 | 
| commit | c786f54b9ace5d7b20a0404a7deb1bae683cd4e8 (patch) | |
| tree | 8c612b0abb45c0b1bb1ca39df97620a0ab026797 /arch/arm/cpu/arm926ejs/cache.c | |
| parent | 99dee4b2ef570f289e2b1f105df0fdb8ad57ebd1 (diff) | |
| parent | 15422043c4a213dc5d7d59a337be1ab34c9b2e7f (diff) | |
| download | olio-uboot-2014.01-c786f54b9ace5d7b20a0404a7deb1bae683cd4e8.tar.xz olio-uboot-2014.01-c786f54b9ace5d7b20a0404a7deb1bae683cd4e8.zip  | |
Merge branch 'master' of git://git.denx.de/u-boot-arm
* 'master' of git://git.denx.de/u-boot-arm:
  davinci: Remove unwanted memsize.c from hawkboard's nand spl build
  devkit8000: Move CONFIG_SYS_TEXT_BASE out of bss
  da850evm: pass board revision info to kernel
  arch/arm/include/asm/arch-omap5/clocks.h: Fix GCC 4.2 warnings
  arch/arm/cpu/armv7/omap-common/clocks-common.c: Fix GCC 4.6 warnings
  arch/arm/cpu/armv7/omap-common/spl.c: Fix GCC 4.2 warnings
  MX35: flea3: changes due to hardware revision B
  MX: serial_mxc: cleanup removing nasty #ifdef
  M28: Fix OB1 bug in GPIO driver
  MXS: Add static annotations to dma driver
  apbh_dma: return error value on timeout
  Efika: Configure additional regulators for HDMI output
  mx5: Correct a warning in clock.c
  MC13892: Add REGMODE0 bits definitions
  mx51evk: Configure the pins as GPIOs prior to using gpio_get_value
  mx53smd: Configure the pins as GPIOs prior to using gpio_get_value
  mx53evk: Configure the pins as GPIOs prior to using gpio_get_value
  mx53ard: Configure the pins as GPIOs prior to using gpio_get_value
  mx53loco: Configure the pins as GPIOs prior to using gpio_get_value
  OMAP3: Add SPL_BOARD_INIT hook
  AM3517 CraneBoard: Add SPL support
  AM3517: Add SPL support
  OMAP3: Add SPL support to omap3_evm
  OMAP3: Add SPL support to Beagleboard
  OMAP3 SPL: Add identify_nand_chip function
  OMAP3 SPL: Rework memory initalization and devkit8000 support
  OMAP3: Suffix all Micron memory timing parts with their speed
  OMAP3: Add optimal SDRC autorefresh control values
  omap3: mem: Add MCFG helper macro
  OMAP3: Remove get_mem_type prototype
  OMAP3: Change mem_ok to clear again after reading back
  OMAP3: Add a helper function to set timings in SDRC
  OMAP3: Update SDRC dram_init to always call make_cs1_contiguous()
  omap3: mem: Comment enable_gpmc_cs_config more
  ARM: davici_emac: Fix condition for number of phy detects
  arm: printf() is not available in some SPL configurations
  arm, davinci: add support for am1808 based enbw_cmc board
  arm, davinci: move misc function in arch tree
  arm, board/davinci/common/misc.c: Codingstyle cleanup
  arm, davinci, da850: add uart1 tx rx pinmux config
  arm, davinci: move davinci_rtc struct to hardware.h
  arm, davinci: Remove duplication of pinmux configuration code
  arm, hawkboard: Use the pinmux configurations defined in the arch tree
  arm, da850evm: Use the pinmux configurations defined in the arch tree
  arm, da850: Add pinmux configurations to the arch tree
  arm, da850evm: Do pinmux configuration for EMAC together with other pinmuxes
  arm, hawkboard: Remove obsolete struct pinmux_config i2c_pins
  arm, davinci: Move pinmux functions from board to arch tree
  arm, arm926ejs: always do cpu critical inits
  omap_gpmc: use SOFTECC in SPL if it's enabled
  nand_spl_simple: add support for software ECC
  AM3517: move AM3517 specific mux defines to generic header
  AM35xx: add EMAC support
  davinci_emac: hardcode 100Mbps for AM35xx and RMII
  davinci_emac: fix for running with dcache enabled
  arm926ejs: add noop implementation for dcache ops
  davinci_emac: conditionally compile specific PHY support
  davinci_emac: use internal addresses in buffer descriptors
  davinci_emac: move arch-independent defines to separate header
  BeagleBoard: config: Really switch to ttyO2
  ARM: davinci_dm6467Tevm: Fix build breakage
  ARM: OMAP: Remove STACKSIZE for IRQ and FIQ if unused
  ARM: OMAP3: Remove unused define SDRC_R_C_B
  ARM: OMAP3: Remove unused define CONFIG_OMAP3430
  omap4: fix IO setting
  omap4+: streamline CONFIG_SYS_TEXT_BASE and other SDRAM addresses
  omap4460: add ES1.1 identification
  omap4: emif: fix error in driver
  omap: remove I2C from SPL
  omap4460: fix TPS initialization
  omap: fix cache line size for omap3/omap4 boards
  omap4: ttyO2 instead of ttyS2 in default bootargs
  omap: Improve PLL parameter calculation tool
  start.S: remove omap3 specific code from start.S
  armv7: setup vector
  armv7: include armv7/cpu.c in SPL build
  armv7: disable L2 cache in cleanup_before_linux()
  arm, arm926ejs: Fix clear bss loop for zero length bss
  PXA: Move colibri_pxa270 to board/toradex/
  PXA: Flip colibri_pxa27x to pxa-common.h
  PXA: Introduce common configuration header for PXA
  PXA: Rename pxa_dram_init to pxa2xx_dram_init
  PXA: Squash extern pxa_dram_init()
  PXA: Export cpu_is_ and pxa_dram_init functions
  PXA: Cleanup Colibri PXA270
  PXA: Replace timer driver
  PXA: Add cpuinfo display for PXA2xx
  PXA: Separate PXA2xx CPU init
  PXA: Rename CONFIG_PXA2[57]X to CONFIG_CPU_PXA2[57]X
  PXA: Unify vpac270 environment size
  PXA: Enable command line editing for vpac270
  PXA: Adapt Voipac PXA270 to OneNAND SPL
  PXA: Drop Voipac PXA270 OneNAND IPL
  PXA: Fixup PXA25x boards after start.S update
  PXA: Re-add the Dcache locking as RAM for pxa250
  PXA: Rework start.S to be closer to other ARMs
  PXA: Drop XM250 board
  PXA: Drop PLEB2 board
  PXA: Drop CRADLE board
  PXA: Drop CERF250 board
  Fix regression in SMDK6400
  nand: Add common functions to linux/mtd/nand.h
  Ethernut 5 board support
  net: Armada100: Fix compilation warnings
  ARM: remove duplicated code for LaCie boards
  ARM: add support for LaCie 2Big Network v2
  mvsata: fix ide_preinit for missing disks
  netspace_v2: Read Ethernet MAC address from EEPROM
  omap3evm: Add support for EFI partitions
  part_efi: Fix compile errors
Diffstat (limited to 'arch/arm/cpu/arm926ejs/cache.c')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/cache.c | 75 | 
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/arm/cpu/arm926ejs/cache.c b/arch/arm/cpu/arm926ejs/cache.c new file mode 100644 index 000000000..441564203 --- /dev/null +++ b/arch/arm/cpu/arm926ejs/cache.c @@ -0,0 +1,75 @@ +/* + * (C) Copyright 2011 + * Ilya Yanok, EmCraft Systems + * + * 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. + */ +#include <linux/types.h> +#include <common.h> + +#ifndef CONFIG_SYS_DCACHE_OFF +static inline void dcache_noop(void) +{ +	if (dcache_status()) { +		puts("WARNING: cache operations are not implemented!\n" +		     "WARNING: disabling D-Cache now, you can re-enable it" +		     "later with 'dcache on' command\n"); +		dcache_disable(); +	} +} + +void invalidate_dcache_all(void) +{ +	dcache_noop(); +} + +void flush_dcache_all(void) +{ +	dcache_noop(); +} + +void invalidate_dcache_range(unsigned long start, unsigned long stop) +{ +	dcache_noop(); +} + +void flush_dcache_range(unsigned long start, unsigned long stop) +{ +	dcache_noop(); +} +#else /* #ifndef CONFIG_SYS_DCACHE_OFF */ +void invalidate_dcache_all(void) +{ +} + +void flush_dcache_all(void) +{ +} + +void invalidate_dcache_range(unsigned long start, unsigned long stop) +{ +} + +void flush_dcache_range(unsigned long start, unsigned long stop) +{ +} + +void  flush_cache(unsigned long start, unsigned long size) +{ +} +#endif /* #ifndef CONFIG_SYS_DCACHE_OFF */  |