From: Manjunath Hadli <[email protected]> there are two boards based on da850 SOC - OMAP-L138 and AM18x. In order to differentiate between these two boards, revision id is passed to kernel via second byte of ATAG_REVISION.
Signed-off-by: Manjunathappa, Prakash <[email protected]> Signed-off-by: Manjunath Hadli <[email protected]> --- board/davinci/da8xxevm/da850evm.c | 6 +++++- include/configs/da850_am18xevm.h | 2 +- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/board/davinci/da8xxevm/da850evm.c b/board/davinci/da8xxevm/da850evm.c index 46924d3..34673bf 100644 --- a/board/davinci/da8xxevm/da850evm.c +++ b/board/davinci/da8xxevm/da850evm.c @@ -249,6 +249,8 @@ static const struct lpsc_resource lpsc[] = { #define CONFIG_DA850_EVM_MAX_CPU_CLK 300000000 #endif +#define REV_AM18X_EVM 0x100 + /* * get_board_rev() - setup to pass kernel board revision information * Returns: @@ -274,7 +276,9 @@ u32 get_board_rev(void) rev = 2; else if (maxcpuclk >= 372000000) rev = 1; - +#ifdef CONFIG_DA850_AM18X_EVM + rev |= REV_AM18X_EVM; +#endif return rev; } diff --git a/include/configs/da850_am18xevm.h b/include/configs/da850_am18xevm.h index 92b83ff..ee574da 100644 --- a/include/configs/da850_am18xevm.h +++ b/include/configs/da850_am18xevm.h @@ -43,7 +43,7 @@ #define CONFIG_SYS_HZ 1000 #define CONFIG_SKIP_LOWLEVEL_INIT #define CONFIG_SYS_TEXT_BASE 0xc1080000 - +#define CONFIG_DA850_AM18X_EVM /* * Memory Info */ -- 1.6.2.4 _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
