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>
This commit is contained in:
Gabor Juhos 2011-11-18 00:17:46 +00:00 committed by Ralf Baechle
parent 2dc7b4a197
commit be5f362320
3 changed files with 4 additions and 0 deletions

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@ -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;

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@ -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);
}

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@ -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)
{