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| author | Gabor Juhos <juhosg@openwrt.org> | 2011-11-18 00:17:46 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2011-12-07 22:02:47 +0000 |
| commit | be5f3623204e15cb8a95a6d381ae6eb074ba46b5 (patch) | |
| tree | 52fb613a75ad0c563323de0ddcb646d595196d1b | |
| parent | 2dc7b4a1977e3bd3b7c819c63cab1baf7d260d89 (diff) | |
| download | lwn-be5f3623204e15cb8a95a6d381ae6eb074ba46b5.tar.gz lwn-be5f3623204e15cb8a95a6d381ae6eb074ba46b5.zip | |
MIPS: ath79: Store the SoC revision in a global variable
Knowing the exact revision of the SoC is required to make runtime decisions
in various code paths. We have determined the SoC revision already, so we
only need to store that in a global variable.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Cc: Imre Kaloz <kaloz@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3027/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| -rw-r--r-- | arch/mips/ath79/common.c | 1 | ||||
| -rw-r--r-- | arch/mips/ath79/setup.c | 2 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-ath79/ath79.h | 1 |
3 files changed, 4 insertions, 0 deletions
diff --git a/arch/mips/ath79/common.c b/arch/mips/ath79/common.c index 38c2ad7bd871..f0fda982b965 100644 --- a/arch/mips/ath79/common.c +++ b/arch/mips/ath79/common.c @@ -30,6 +30,7 @@ u32 ath79_ddr_freq; EXPORT_SYMBOL_GPL(ath79_ddr_freq); enum ath79_soc_type ath79_soc; +unsigned int ath79_soc_rev; void __iomem *ath79_pll_base; void __iomem *ath79_reset_base; diff --git a/arch/mips/ath79/setup.c b/arch/mips/ath79/setup.c index 4187a1122048..61bf3397251a 100644 --- a/arch/mips/ath79/setup.c +++ b/arch/mips/ath79/setup.c @@ -149,6 +149,8 @@ static void __init ath79_detect_sys_type(void) panic("ath79: unknown SoC, id:0x%08x\n", id); } + ath79_soc_rev = rev; + sprintf(ath79_sys_type, "Atheros AR%s rev %u", chip, rev); pr_info("SoC: %s\n", ath79_sys_type); } diff --git a/arch/mips/include/asm/mach-ath79/ath79.h b/arch/mips/include/asm/mach-ath79/ath79.h index 407c9354f747..6d0c6c9d5622 100644 --- a/arch/mips/include/asm/mach-ath79/ath79.h +++ b/arch/mips/include/asm/mach-ath79/ath79.h @@ -32,6 +32,7 @@ enum ath79_soc_type { }; extern enum ath79_soc_type ath79_soc; +extern unsigned int ath79_soc_rev; static inline int soc_is_ar71xx(void) { |