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ARM: imx: Introduce generic function for displaying silicon revision
Currently each i.MX processor has its own function for displaying the silicon revision. Introduce a generic function for this purpose, so that all i.MX processors can reuse it. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Jason Liu <jason.hui@linaro.org> Cc: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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@ -1,5 +1,6 @@
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#include <linux/module.h>
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#include <mach/hardware.h>
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unsigned int __mxc_cpu_type;
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EXPORT_SYMBOL(__mxc_cpu_type);
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@ -9,3 +10,11 @@ void mxc_set_cpu_type(unsigned int type)
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__mxc_cpu_type = type;
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}
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void imx_print_silicon_rev(const char *cpu, int srev)
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{
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if (srev == IMX_CHIP_REVISION_UNKNOWN)
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pr_info("CPU identified as %s, unknown revision\n", cpu);
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else
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pr_info("CPU identified as %s, silicon rev %d.%d\n",
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cpu, (srev >> 4) & 0xf, srev & 0xf);
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}
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@ -72,4 +72,5 @@ extern void mxc_arch_reset_init(void __iomem *);
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extern void mx51_efikamx_reset(void);
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extern int mx53_revision(void);
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extern int mx53_display_revision(void);
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extern void imx_print_silicon_rev(const char *cpu, int srev);
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#endif
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