diff options
Diffstat (limited to 'board/davinci/da8xxevm')
-rw-r--r-- | board/davinci/da8xxevm/Makefile | 4 | ||||
-rw-r--r-- | board/davinci/da8xxevm/da850evm.c | 33 |
2 files changed, 35 insertions, 2 deletions
diff --git a/board/davinci/da8xxevm/Makefile b/board/davinci/da8xxevm/Makefile index 17cbe86..88fee50 100644 --- a/board/davinci/da8xxevm/Makefile +++ b/board/davinci/da8xxevm/Makefile @@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk -LIB = $(obj)lib$(BOARD).a +LIB = $(obj)lib$(BOARD).o COBJS-y += common.o COBJS-$(CONFIG_MACH_DAVINCI_DA830_EVM) += da830evm.o @@ -38,7 +38,7 @@ OBJS := $(addprefix $(obj),$(COBJS)) SOBJS := $(addprefix $(obj),$(SOBJS)) $(LIB): $(obj).depend $(OBJS) $(SOBJS) - $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) + $(call cmd_link_o_target, $(OBJS) $(SOBJS)) clean: rm -f $(SOBJS) $(OBJS) diff --git a/board/davinci/da8xxevm/da850evm.c b/board/davinci/da8xxevm/da850evm.c index c8c5e1b..c3267cb 100644 --- a/board/davinci/da8xxevm/da850evm.c +++ b/board/davinci/da8xxevm/da850evm.c @@ -118,6 +118,39 @@ static const struct lpsc_resource lpsc[] = { { DAVINCI_LPSC_GPIO }, }; +#ifndef CONFIG_DA850_EVM_MAX_CPU_CLK +#define CONFIG_DA850_EVM_MAX_CPU_CLK 300000000 +#endif + +/* + * get_board_rev() - setup to pass kernel board revision information + * Returns: + * bit[0-3] Maximum cpu clock rate supported by onboard SoC + * 0000b - 300 MHz + * 0001b - 372 MHz + * 0010b - 408 MHz + * 0011b - 456 MHz + */ +u32 get_board_rev(void) +{ + char *s; + u32 maxcpuclk = CONFIG_DA850_EVM_MAX_CPU_CLK; + u32 rev = 0; + + s = getenv("maxcpuclk"); + if (s) + maxcpuclk = simple_strtoul(s, NULL, 10); + + if (maxcpuclk >= 456000000) + rev = 3; + else if (maxcpuclk >= 408000000) + rev = 2; + else if (maxcpuclk >= 372000000) + rev = 1; + + return rev; +} + int board_init(void) { #ifndef CONFIG_USE_IRQ |