From: Nagabhushana Netagunte nagabhushana.netagunte@ti.com
add a function in board file to pass board revision info to kernel. Revision number 0 and 1 are passed in case of DM6467 and DM6467T respectively.
Signed-off-by: Nagabhushana Netagunte nagabhushana.netagunte@ti.com --- board/davinci/dm6467evm/dm6467evm.c | 19 +++++++++++++++++++ include/configs/davinci_dm6467Tevm.h | 2 ++ include/configs/davinci_dm6467evm.h | 1 + 3 files changed, 22 insertions(+), 0 deletions(-)
diff --git a/board/davinci/dm6467evm/dm6467evm.c b/board/davinci/dm6467evm/dm6467evm.c index 1a01c3c..b582e97 100644 --- a/board/davinci/dm6467evm/dm6467evm.c +++ b/board/davinci/dm6467evm/dm6467evm.c @@ -24,6 +24,25 @@
DECLARE_GLOBAL_DATA_PTR;
+#define REV_DM6446EVM 0 +#define REV_DM6467TEVM 1 +/* + * get_board_rev() - setup to pass kernel board revision information + * Returns: + * bit[0-3] System clock frequency + * 0000b - 27 MHz + * 0001b - 33 MHz + */ +u32 get_board_rev(void) +{ + +#ifdef DAVINCI_DM6467TEVM + return REV_DM6467TEVM; +#endif + + return REV_DM6446EVM; +} + int board_init(void) { gd->bd->bi_arch_number = MACH_TYPE_DAVINCI_DM6467_EVM; diff --git a/include/configs/davinci_dm6467Tevm.h b/include/configs/davinci_dm6467Tevm.h index 17b9047..d4eaeab 100644 --- a/include/configs/davinci_dm6467Tevm.h +++ b/include/configs/davinci_dm6467Tevm.h @@ -22,6 +22,7 @@
/* Spectrum Digital TMS320DM6467T EVM board */ #define DAVINCI_DM6467EVM +#define DAVINCI_DM6467TEVM #define CONFIG_SYS_USE_NAND #define CONFIG_SYS_NAND_SMALLPAGE
@@ -64,6 +65,7 @@ extern unsigned int davinci_arm_clk_get(void); #define CONFIG_SETUP_MEMORY_TAGS #define CONFIG_SYS_BARGSIZE 1024 /* Bootarg Size */ #define CONFIG_SYS_LOAD_ADDR 0x80700000 /* kernel address */ +#define CONFIG_REVISION_TAG
/* Serial Driver info */ #define CONFIG_SYS_NS16550 diff --git a/include/configs/davinci_dm6467evm.h b/include/configs/davinci_dm6467evm.h index 1fc3544..8b33288 100644 --- a/include/configs/davinci_dm6467evm.h +++ b/include/configs/davinci_dm6467evm.h @@ -64,6 +64,7 @@ extern unsigned int davinci_arm_clk_get(void); #define CONFIG_SETUP_MEMORY_TAGS #define CONFIG_SYS_BARGSIZE 1024 /* Bootarg Size */ #define CONFIG_SYS_LOAD_ADDR 0x80700000 /* kernel address */ +#define CONFIG_REVISION_TAG
/* Serial Driver info */ #define CONFIG_SYS_NS16550