From: Eduardo Valentin <eduardo.valentin@xxxxxxxxx> Export OMAP name and rev under /proc/socinfo node. Signed-off-by: Eduardo Valentin <eduardo.valentin@xxxxxxxxx> --- arch/arm/Kconfig | 1 + arch/arm/mach-omap1/id.c | 31 ++++++++++++++++++++++++------- arch/arm/mach-omap2/id.c | 32 ++++++++++++++++++++++++++------ 3 files changed, 51 insertions(+), 13 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 92622eb..fbd3c50 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -326,6 +326,7 @@ config ARCH_EP93XX select COMMON_CLKDEV select ARCH_REQUIRE_GPIOLIB select ARCH_HAS_HOLES_MEMORYMODEL + select PROC_SOC_INFO help This enables support for the Cirrus EP93xx series of CPUs. diff --git a/arch/arm/mach-omap1/id.c b/arch/arm/mach-omap1/id.c index a0e3560..ef3caf1 100644 --- a/arch/arm/mach-omap1/id.c +++ b/arch/arm/mach-omap1/id.c @@ -15,6 +15,8 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/socinfo.h> +#include <linux/seq_file.h> #include <plat/cpu.h> #define OMAP_DIE_ID_0 0xfffe1800 @@ -118,9 +120,21 @@ static u8 __init omap_get_die_rev(void) return die_rev; } +#define SOCINFO_SZ 128 + +static int omap1_socinfo_show(struct seq_file *m, void *v) +{ + char *socinfo = v; + + seq_printf(m, "SoC\t: %s\n", socinfo); + + return 0; +} + void __init omap_check_revision(void) { - int i; + int i, sz; + char socinfo[SOCINFO_SZ]; u16 jtag_id; u8 die_rev; u32 omap_id; @@ -194,11 +208,14 @@ void __init omap_check_revision(void) printk(KERN_INFO "Unknown OMAP cpu type: 0x%02x\n", cpu_type); } - printk(KERN_INFO "OMAP%04x", omap_revision >> 16); + sz = snprintf(socinfo, SOCINFO_SZ, "OMAP%04x", omap_revision >> 16); if ((omap_revision >> 8) & 0xff) - printk(KERN_INFO "%x", (omap_revision >> 8) & 0xff); - printk(KERN_INFO " revision %i handled as %02xxx id: %08x%08x\n", - die_rev, omap_revision & 0xff, system_serial_low, - system_serial_high); + snprintf(socinfo + sz, SOCINFO_SZ - sz, "%x", + (omap_revision >> 8) & 0xff); + pr_info("%s revision %i handled as %02xxx id: %08x%08x\n", + socinfo, die_rev, omap_revision & 0xff, system_serial_low, + system_serial_high); + + /* register function to show SoC info under /proc/socinfo */ + register_socinfo_show(omap1_socinfo_show, kstrdup(socinfo, GFP_KERNEL)); } - diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index 37b8a1a..b67486b 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -18,6 +18,8 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/socinfo.h> +#include <linux/seq_file.h> #include <asm/cputype.h> @@ -101,10 +103,12 @@ static struct omap_id omap_ids[] __initdata = { static void __iomem *tap_base; static u16 tap_prod_id; +#define SOCINFO_SZ 128 +static char socinfo[SOCINFO_SZ]; void __init omap24xx_check_revision(void) { - int i, j; + int i, j, sz; u32 idcode, prod_id; u16 hawkeye; u8 dev_type, rev; @@ -152,10 +156,11 @@ void __init omap24xx_check_revision(void) j = i; } - pr_info("OMAP%04x", omap_rev() >> 16); + sz = snprintf(socinfo, SOCINFO_SZ, "OMAP%04x", omap_rev() >> 16); if ((omap_rev() >> 8) & 0x0f) - pr_info("ES%x", (omap_rev() >> 12) & 0xf); - pr_info("\n"); + snprintf(socinfo + sz, SOCINFO_SZ - sz, "ES%x", + (omap_rev() >> 12) & 0xf); + pr_info("%s\n", socinfo); } #define OMAP3_CHECK_FEATURE(status,feat) \ @@ -286,7 +291,9 @@ void __init omap4_check_revision(void) if ((hawkeye == 0xb852) && (rev == 0x0)) { omap_revision = OMAP4430_REV_ES1_0; omap_chip.oc |= CHIP_IS_OMAP4430ES1; - pr_info("OMAP%04x %s\n", omap_rev() >> 16, rev_name); + snprintf(socinfo, SOCINFO_SZ, "OMAP%04x %s\n", + omap_rev() >> 16, rev_name); + pr_info("%s\n", socinfo); return; } @@ -356,7 +363,8 @@ void __init omap3_cpuinfo(void) } /* Print verbose information */ - pr_info("%s ES%s (", cpu_name, cpu_rev); + snprintf(socinfo, SOCINFO_SZ, "%s ES%s", cpu_name, cpu_rev); + pr_info("%s (", socinfo); OMAP3_SHOW_FEATURE(l2cache); OMAP3_SHOW_FEATURE(iva); @@ -368,6 +376,15 @@ void __init omap3_cpuinfo(void) printk(")\n"); } +static int omap_socinfo_show(struct seq_file *m, void *v) +{ + char *socinfop = v; + + seq_printf(m, "SoC\t: %s\n", socinfop); + + return 0; +} + /* * Try to detect the exact revision of the omap we're running on */ @@ -391,6 +408,9 @@ void __init omap2_check_revision(void) pr_err("OMAP revision unknown, please fix!\n"); } + /* also register call back to report SoC data under /proc/socinfo */ + register_socinfo_show(omap_socinfo_show, socinfo); + /* * OK, now we know the exact revision. Initialize omap_chip bits * for powerdowmain and clockdomain code. -- 1.7.0.4.361.g8b5fe.dirty -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html