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da850: add support to wake up DSP during board init

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add support for DSP wake-up by default on DA850/OMAP-L138
during board initialization. Enable hwconfig environment and added
extra env setting through CONFIG_EXTRA_ENV_SETTINGS.
To prevent DSP from being woken up,set the environment variable as,
set hwconfig "dsp:wake=no"

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Nagabhushana Netagunte <nagabhushana.netagunte@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
This commit is contained in:
Nagabhushana Netagunte
2011-09-03 22:19:28 -04:00
committed by Albert ARIBAUD
parent ac935e567b
commit cf2c24e399
3 changed files with 66 additions and 0 deletions
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3
include/configs/da850evm.h
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@@ -159,6 +159,7 @@
/*
* U-Boot general configuration
*/
#define CONFIG_MISC_INIT_R
#define CONFIG_BOOTFILE "uImage" /* Boot file name */
#define CONFIG_SYS_PROMPT "U-Boot > " /* Command Prompt */
#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
@@ -179,12 +180,14 @@
* Linux Information
*/
#define LINUX_BOOT_PARAM_ADDR (PHYS_SDRAM_1 + 0x100)
#define CONFIG_HWCONFIG /* enable hwconfig */
#define CONFIG_CMDLINE_TAG
#define CONFIG_REVISION_TAG
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_BOOTARGS \
"mem=32M console=ttyS2,115200n8 root=/dev/mtdblock2 rw noinitrd ip=dhcp"
#define CONFIG_BOOTDELAY 3
#define CONFIG_EXTRA_ENV_SETTINGS "hwconfig=dsp:wake=yes"
/*
* U-Boot commands