Add proc/cpuinfo serial and chipid information
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7550320002
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de1d109b79
lichee/linux-4.9/arch/arm/kernel
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@ -63,6 +63,8 @@
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#include <asm/memblock.h>
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#include <asm/memblock.h>
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#include <asm/virt.h>
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#include <asm/virt.h>
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#include <mach/sunxi-chip.h>
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#include "atags.h"
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#include "atags.h"
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@ -1216,6 +1218,16 @@ static int c_show(struct seq_file *m, void *v)
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int i, j;
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int i, j;
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u32 cpuid;
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u32 cpuid;
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#if defined(CONFIG_ARCH_SUNXI)
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u32 serial[4];
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u32 chip_id[4] = {0};
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int ret;
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memset(serial, 0, sizeof(serial));
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ret = sunxi_get_serial((u8 *)serial);
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ret = sunxi_get_soc_chipid((u8 *)chip_id);
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#endif
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for_each_online_cpu(i) {
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for_each_online_cpu(i) {
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/*
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/*
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* glibc reads /proc/cpuinfo to determine the number of
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* glibc reads /proc/cpuinfo to determine the number of
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@ -1272,7 +1284,15 @@ static int c_show(struct seq_file *m, void *v)
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seq_printf(m, "Hardware\t: %s\n", machine_name);
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seq_printf(m, "Hardware\t: %s\n", machine_name);
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seq_printf(m, "Revision\t: %04x\n", system_rev);
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seq_printf(m, "Revision\t: %04x\n", system_rev);
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#if defined(CONFIG_ARCH_SUNXI)
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seq_printf(m, "Serial\t\t: %04x%08x%08x\n",
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serial[2], serial[1], serial[0]);
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seq_printf(m, "Chipid\t\t: %08x%08x%08x%08x\n",
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chip_id[3],chip_id[2], chip_id[1], chip_id[0]);
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#else
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seq_printf(m, "Serial\t\t: %s\n", system_serial);
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seq_printf(m, "Serial\t\t: %s\n", system_serial);
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#endif
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return 0;
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return 0;
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}
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}
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