200 lines
5.4 KiB
Diff
200 lines
5.4 KiB
Diff
From 78c3d2e796a28ad55f6c2310a11ab22e91bb52fc Mon Sep 17 00:00:00 2001
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From: Jonas Gorski <jogo@openwrt.org>
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Date: Mon, 2 Dec 2013 12:30:44 +0100
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Subject: [PATCH 8/8] MIPS: BCM63XX: remove !RUNTIME_DETECT code for
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bcmcpu_get_id
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Use the same pattern as with get_*_cpu_type() to allow the compiler
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to remove code for non enabled devices.
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Signed-off-by: Jonas Gorski <jogo@openwrt.org>
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---
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arch/mips/bcm63xx/cpu.c | 11 +--
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arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h | 120 +++++++----------------
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2 files changed, 38 insertions(+), 93 deletions(-)
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--- a/arch/mips/bcm63xx/cpu.c
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+++ b/arch/mips/bcm63xx/cpu.c
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@@ -24,7 +24,9 @@ EXPORT_SYMBOL(bcm63xx_regs_base);
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const int *bcm63xx_irqs;
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EXPORT_SYMBOL(bcm63xx_irqs);
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-static u16 bcm63xx_cpu_id;
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+u16 bcm63xx_cpu_id __read_mostly;
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+EXPORT_SYMBOL(bcm63xx_cpu_id);
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+
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static u8 bcm63xx_cpu_rev;
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static unsigned int bcm63xx_cpu_freq;
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static unsigned int bcm63xx_memory_size;
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@@ -97,13 +99,6 @@ static const int bcm6368_irqs[] = {
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};
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-u16 __bcm63xx_get_cpu_id(void)
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-{
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- return bcm63xx_cpu_id;
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-}
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-
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-EXPORT_SYMBOL(__bcm63xx_get_cpu_id);
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-
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u8 bcm63xx_get_cpu_rev(void)
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{
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return bcm63xx_cpu_rev;
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--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
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+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
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@@ -19,118 +19,68 @@
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#define BCM6368_CPU_ID 0x6368
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void __init bcm63xx_cpu_init(void);
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-u16 __bcm63xx_get_cpu_id(void);
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u8 bcm63xx_get_cpu_rev(void);
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unsigned int bcm63xx_get_cpu_freq(void);
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+static inline u16 __pure __bcm63xx_get_cpu_id(const u16 cpu_id)
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+{
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+ switch (cpu_id) {
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#ifdef CONFIG_BCM63XX_CPU_3368
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-# ifdef bcm63xx_get_cpu_id
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-# undef bcm63xx_get_cpu_id
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-# define bcm63xx_get_cpu_id() __bcm63xx_get_cpu_id()
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-# define BCMCPU_RUNTIME_DETECT
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-# else
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-# define bcm63xx_get_cpu_id() BCM3368_CPU_ID
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-# endif
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-# define BCMCPU_IS_3368() (bcm63xx_get_cpu_id() == BCM3368_CPU_ID)
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-#else
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-# define BCMCPU_IS_3368() (0)
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+ case BCM3368_CPU_ID:
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#endif
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#ifdef CONFIG_BCM63XX_CPU_6328
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-# ifdef bcm63xx_get_cpu_id
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-# undef bcm63xx_get_cpu_id
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-# define bcm63xx_get_cpu_id() __bcm63xx_get_cpu_id()
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-# define BCMCPU_RUNTIME_DETECT
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-# else
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-# define bcm63xx_get_cpu_id() BCM6328_CPU_ID
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-# endif
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-# define BCMCPU_IS_6328() (bcm63xx_get_cpu_id() == BCM6328_CPU_ID)
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-#else
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-# define BCMCPU_IS_6328() (0)
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+ case BCM6328_CPU_ID:
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#endif
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#ifdef CONFIG_BCM63XX_CPU_6338
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-# ifdef bcm63xx_get_cpu_id
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-# undef bcm63xx_get_cpu_id
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-# define bcm63xx_get_cpu_id() __bcm63xx_get_cpu_id()
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-# define BCMCPU_RUNTIME_DETECT
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-# else
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-# define bcm63xx_get_cpu_id() BCM6338_CPU_ID
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-# endif
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-# define BCMCPU_IS_6338() (bcm63xx_get_cpu_id() == BCM6338_CPU_ID)
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-#else
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-# define BCMCPU_IS_6338() (0)
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+ case BCM6338_CPU_ID:
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#endif
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#ifdef CONFIG_BCM63XX_CPU_6345
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-# ifdef bcm63xx_get_cpu_id
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-# undef bcm63xx_get_cpu_id
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-# define bcm63xx_get_cpu_id() __bcm63xx_get_cpu_id()
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-# define BCMCPU_RUNTIME_DETECT
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-# else
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-# define bcm63xx_get_cpu_id() BCM6345_CPU_ID
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-# endif
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-# define BCMCPU_IS_6345() (bcm63xx_get_cpu_id() == BCM6345_CPU_ID)
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-#else
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-# define BCMCPU_IS_6345() (0)
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+ case BCM6345_CPU_ID:
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#endif
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#ifdef CONFIG_BCM63XX_CPU_6348
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-# ifdef bcm63xx_get_cpu_id
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-# undef bcm63xx_get_cpu_id
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-# define bcm63xx_get_cpu_id() __bcm63xx_get_cpu_id()
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-# define BCMCPU_RUNTIME_DETECT
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-# else
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-# define bcm63xx_get_cpu_id() BCM6348_CPU_ID
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-# endif
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-# define BCMCPU_IS_6348() (bcm63xx_get_cpu_id() == BCM6348_CPU_ID)
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-#else
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-# define BCMCPU_IS_6348() (0)
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+ case BCM6348_CPU_ID:
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#endif
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#ifdef CONFIG_BCM63XX_CPU_6358
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-# ifdef bcm63xx_get_cpu_id
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-# undef bcm63xx_get_cpu_id
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-# define bcm63xx_get_cpu_id() __bcm63xx_get_cpu_id()
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-# define BCMCPU_RUNTIME_DETECT
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-# else
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-# define bcm63xx_get_cpu_id() BCM6358_CPU_ID
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-# endif
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-# define BCMCPU_IS_6358() (bcm63xx_get_cpu_id() == BCM6358_CPU_ID)
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-#else
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-# define BCMCPU_IS_6358() (0)
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+ case BCM6358_CPU_ID:
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#endif
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#ifdef CONFIG_BCM63XX_CPU_6362
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-# ifdef bcm63xx_get_cpu_id
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-# undef bcm63xx_get_cpu_id
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-# define bcm63xx_get_cpu_id() __bcm63xx_get_cpu_id()
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-# define BCMCPU_RUNTIME_DETECT
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-# else
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-# define bcm63xx_get_cpu_id() BCM6362_CPU_ID
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-# endif
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-# define BCMCPU_IS_6362() (bcm63xx_get_cpu_id() == BCM6362_CPU_ID)
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-#else
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-# define BCMCPU_IS_6362() (0)
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+ case BCM6362_CPU_ID:
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#endif
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-
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#ifdef CONFIG_BCM63XX_CPU_6368
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-# ifdef bcm63xx_get_cpu_id
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-# undef bcm63xx_get_cpu_id
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-# define bcm63xx_get_cpu_id() __bcm63xx_get_cpu_id()
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-# define BCMCPU_RUNTIME_DETECT
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-# else
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-# define bcm63xx_get_cpu_id() BCM6368_CPU_ID
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-# endif
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-# define BCMCPU_IS_6368() (bcm63xx_get_cpu_id() == BCM6368_CPU_ID)
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-#else
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-# define BCMCPU_IS_6368() (0)
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-#endif
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-
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-#ifndef bcm63xx_get_cpu_id
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-#error "No CPU support configured"
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+ case BCM6368_CPU_ID:
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#endif
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+ break;
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+ default:
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+ unreachable();
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+ }
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+
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+ return cpu_id;
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+}
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+
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+extern u16 bcm63xx_cpu_id;
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+
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+static inline u16 __pure bcm63xx_get_cpu_id(void)
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+{
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+ const u16 cpu_id = bcm63xx_cpu_id;
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+
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+ return __bcm63xx_get_cpu_id(cpu_id);
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+}
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+
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+#define BCMCPU_IS_3368() (bcm63xx_get_cpu_id() == BCM3368_CPU_ID)
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+#define BCMCPU_IS_6328() (bcm63xx_get_cpu_id() == BCM6328_CPU_ID)
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+#define BCMCPU_IS_6338() (bcm63xx_get_cpu_id() == BCM6338_CPU_ID)
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+#define BCMCPU_IS_6345() (bcm63xx_get_cpu_id() == BCM6345_CPU_ID)
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+#define BCMCPU_IS_6348() (bcm63xx_get_cpu_id() == BCM6348_CPU_ID)
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+#define BCMCPU_IS_6358() (bcm63xx_get_cpu_id() == BCM6358_CPU_ID)
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+#define BCMCPU_IS_6362() (bcm63xx_get_cpu_id() == BCM6362_CPU_ID)
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+#define BCMCPU_IS_6368() (bcm63xx_get_cpu_id() == BCM6368_CPU_ID)
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/*
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* While registers sets are (mostly) the same across 63xx CPU, base
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