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author | Wolfgang Denk <wd@denx.de> | 2011-11-16 20:24:41 +0100 |
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committer | Wolfgang Denk <wd@denx.de> | 2011-11-16 20:24:41 +0100 |
commit | 0c2dd9a05bdcf3b2b4880509ec690116873fe158 (patch) | |
tree | 3deccd6143aa75c52096154f8f165feacb57fe56 /arch/arm/include/asm/arch-omap4/sys_proto.h | |
parent | 3844d1c782f9f3a5c72ccdbd4fa141f9c03d1121 (diff) | |
parent | 75acc4d7c1c9081e06d1197c6da01361cf1bce92 (diff) | |
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Merge branch 'master' of git://git.denx.de/u-boot-arm
* 'master' of git://git.denx.de/u-boot-arm:
arm, davinci: add DAVINCI_MMC_CLKID
arm, davinci_emac: fix driver bug if more then 3 PHYs are detected
arm, davinci: da850/dm365 lowlevel cleanup
omap5: Add omap5_evm board build support.
omap4/5: Add support for booting with CH.
omap5: emif: Add emif/ddr configurations required for omap5 evm
omap5: clocks: Add clocks support for omap5 platform.
omap5: Add minimal support for omap5430.
omap: Checkpatch fixes
omap4: make omap4 code common for future reuse
GCC4.6: Squash warnings in onenand_base.c
GCC4.6: Fix common/usb.c on xscale
OneNAND: Add simple OneNAND SPL
PXA: vpac270: Enable the new generic MMC driver
PXA: Cleanup serial_pxa
PXA: Drop csb226 and innokom boards (unmaintained)
m28evk: Fix comment about the number of RAM banks
mx31: Fix checkpatch warnings in generic.c
mx31: Use proper IO accessor for GPR register
mx31: Remove duplicate definition for GPR register
qong: Use generic function for configuring GPR register
M28EVK: Enable USB HOST support
iMX28: Add USB HOST driver
iMX28: Add USB and USB PHY register definitions
M28: Add memory detection into SPL
iMX28: Fix ARM vector handling
M28: Add doc/README.m28 documentation
M28: Add MMC SPL
iMX28: Add support for DENX M28EVK board
iMX28: Add u-boot.sb target to Makefile
iMX28: Add image header generator tool
iMX28: Add driver for internal RTC
iMX28: Add GPMI NAND driver
iMX28: Add APBH DMA driver
iMX28: Add SPI driver
iMX28: Add GPIO control
iMX28: Add I2C bus driver
iMX28: Add PINMUX control
FEC: Add support for iMX28 quirks
iMX28: Add SSP MMC driver
iMX28: Initial support for iMX28 CPU
MX25: zmx25: GCC4.6 fix build warnings
da850: add new config file for AM18xx
BeagleBoard: config: Switch to ttyO2
OMAP3: Change omap3_evm maintainer
devkit8000: Fix NAND SPL on boards with 256MB NAND
integrator: enable Vpp and disable flash protection
integrator: add system controller header
integrator: make flash writeable on boot
integrator: use io-accessors for board init
integrator: move text offset to config
integrator: pass configs for core modules
ARM: remove superfluous setting of arch_number in board specific code.
SPL: Allow ARM926EJS to avoid compiling in the CPU support code
integrator: do not test first part of the memory
arm: a320: fix broken timer
ARM: define CONFIG_MACH_TYPE for all ronetix boards
dm646x: pass board revision info to kernel
dm646x: add new configuration for dm6467T
arm, davinci: Fix setting of the SDRAM configuration register
arm, davinci: Remove the duplication of LPSC functions
arm, davinci: Rename AM1808 lowlevel functions to DA850
da8xxevm: fix build error
ARM: re-add MACH_TYPE_XXXXXX for VCMA9 board and add CONFIG_MACH_TYPE
Diffstat (limited to 'arch/arm/include/asm/arch-omap4/sys_proto.h')
-rw-r--r-- | arch/arm/include/asm/arch-omap4/sys_proto.h | 38 |
1 files changed, 25 insertions, 13 deletions
diff --git a/arch/arm/include/asm/arch-omap4/sys_proto.h b/arch/arm/include/asm/arch-omap4/sys_proto.h index 1aacbb1..4146e21 100644 --- a/arch/arm/include/asm/arch-omap4/sys_proto.h +++ b/arch/arm/include/asm/arch-omap4/sys_proto.h @@ -21,7 +21,7 @@ #ifndef _SYS_PROTO_H_ #define _SYS_PROTO_H_ -#include <asm/arch/omap4.h> +#include <asm/arch/omap.h> #include <asm/arch/clocks.h> #include <asm/io.h> #include <asm/omap_common.h> @@ -32,17 +32,17 @@ struct omap_sysinfo { }; extern const struct omap_sysinfo sysinfo; -extern struct omap4_prcm_regs *const prcm; - void gpmc_init(void); void watchdog_init(void); u32 get_device_type(void); void do_set_mux(u32 base, struct pad_conf_entry const *array, int size); +void set_muxconf_regs_essential(void); void set_muxconf_regs_non_essential(void); void sr32(void *, u32, u32, u32); u32 wait_on_value(u32, u32, void *, u32); void sdelay(unsigned long); void set_pl310_ctrl_reg(u32 val); +void omap_rev_string(char *omap_rev_string); void setup_clocks_for_console(void); void prcm_init(void); void bypass_dpll(u32 *const base); @@ -51,7 +51,17 @@ u32 get_sys_clk_freq(void); u32 omap4_ddr_clk(void); void cancel_out(u32 *num, u32 *den, u32 den_limit); void sdram_init(void); -u32 omap4_sdram_size(void); +u32 omap_sdram_size(void); +u32 cortex_rev(void); +void init_omap_revision(void); +void do_io_settings(void); +/* + * This is used to verify if the configuration header + * was executed by Romcode prior to control of transfer + * to the bootloader. SPL is responsible for saving and + * passing this to the u-boot. + */ +extern struct omap_boot_parameters boot_params; static inline u32 running_from_sdram(void) { @@ -64,15 +74,17 @@ static inline u32 running_from_sdram(void) static inline u8 uboot_loaded_by_spl(void) { /* - * Configuration Header is not supported yet, so u-boot init running - * from SDRAM implies that it was loaded by SPL. When this situation - * changes one of these approaches could be taken: - * i. Pass a magic from SPL to U-Boot and U-Boot save it at a known - * location. - * ii. Check the OPP. CH can support only 50% OPP while SPL initializes - * the DPLLs at 100% OPP. + * u-boot can be running from sdram either because of configuration + * Header or by SPL. If because of CH, then the romcode sets the + * CHSETTINGS executed bit to true in the boot parameter structure that + * it passes to the bootloader.This parameter is stored in the ch_flags + * variable by both SPL and u-boot.Check out for CHSETTINGS, which is a + * mandatory section if CH is present. */ - return running_from_sdram(); + if ((boot_params.ch_flags) & (CH_FLAGS_CHSETTINGS)) + return 0; + else + return running_from_sdram(); } /* * The basic hardware init of OMAP(s_init()) can happen in 4 @@ -86,7 +98,7 @@ static inline u8 uboot_loaded_by_spl(void) * This function finds this context. * Defining as inline may help in compiling out unused functions in SPL */ -static inline u32 omap4_hw_init_context(void) +static inline u32 omap_hw_init_context(void) { #ifdef CONFIG_SPL_BUILD return OMAP_INIT_CONTEXT_SPL; |