da850: add support to wake up DSP during board init
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>
diff --git a/include/configs/da850evm.h b/include/configs/da850evm.h
index cf0ceac..9c92489 100644
--- a/include/configs/da850evm.h
+++ b/include/configs/da850evm.h
@@ -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