diff options
Diffstat (limited to 'arch/arm/mach-omap2/id.c')
-rw-r--r-- | arch/arm/mach-omap2/id.c | 95 |
1 files changed, 87 insertions, 8 deletions
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index 8a68f1e..098e94e 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -18,6 +18,11 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/slab.h> + +#ifdef CONFIG_SOC_BUS +#include <linux/sys_soc.h> +#endif #include <asm/cputype.h> @@ -31,8 +36,11 @@ #define OMAP4_SILICON_TYPE_STANDARD 0x01 #define OMAP4_SILICON_TYPE_PERFORMANCE 0x02 +#define OMAP_SOC_MAX_NAME_LENGTH 16 + static unsigned int omap_revision; -static const char *cpu_rev; +static char soc_name[OMAP_SOC_MAX_NAME_LENGTH]; +static char soc_rev[OMAP_SOC_MAX_NAME_LENGTH]; u32 omap_features; unsigned int omap_rev(void) @@ -169,9 +177,12 @@ void __init omap2xxx_check_revision(void) j = i; } - pr_info("OMAP%04x", omap_rev() >> 16); + sprintf(soc_name, "OMAP%04x", omap_rev() >> 16); + sprintf(soc_rev, "ES%x", (omap_rev() >> 12) & 0xf); + + pr_info("%s", soc_name); if ((omap_rev() >> 8) & 0x0f) - pr_info("ES%x", (omap_rev() >> 12) & 0xf); + pr_info("%s", soc_rev); pr_info("\n"); } @@ -211,8 +222,10 @@ static void __init omap3_cpuinfo(void) cpu_name = "OMAP3503"; } + sprintf(soc_name, "%s", cpu_name); + /* Print verbose information */ - pr_info("%s ES%s (", cpu_name, cpu_rev); + pr_info("%s %s (", soc_name, soc_rev); OMAP3_SHOW_FEATURE(l2cache); OMAP3_SHOW_FEATURE(iva); @@ -291,6 +304,7 @@ void __init ti81xx_check_features(void) void __init omap3xxx_check_revision(void) { + const char *cpu_rev; u32 cpuid, idcode; u16 hawkeye; u8 rev; @@ -438,6 +452,7 @@ void __init omap3xxx_check_revision(void) cpu_rev = "1.2"; pr_warn("Warning: unknown chip type; assuming OMAP3630ES1.2\n"); } + sprintf(soc_rev, "ES%s", cpu_rev); } void __init omap4xxx_check_revision(void) @@ -512,8 +527,10 @@ void __init omap4xxx_check_revision(void) omap_revision = OMAP4430_REV_ES2_3; } - pr_info("OMAP%04x ES%d.%d\n", omap_rev() >> 16, - ((omap_rev() >> 12) & 0xf), ((omap_rev() >> 8) & 0xf)); + sprintf(soc_name, "OMAP%04x", omap_rev() >> 16); + sprintf(soc_rev, "ES%d.%d", (omap_rev() >> 12) & 0xf, + (omap_rev() >> 8) & 0xf); + pr_info("%s %s\n", soc_name, soc_rev); } void __init omap5xxx_check_revision(void) @@ -547,8 +564,10 @@ void __init omap5xxx_check_revision(void) omap_revision = OMAP5430_REV_ES1_0; } - pr_info("OMAP%04x ES%d.0\n", - omap_rev() >> 16, ((omap_rev() >> 12) & 0xf)); + sprintf(soc_name, "OMAP%04x", omap_rev() >> 16); + sprintf(soc_rev, "ES%d.0", (omap_rev() >> 12) & 0xf); + + pr_info("%s %s\n", soc_name, soc_rev); } /* @@ -569,3 +588,63 @@ void __init omap2_set_globals_tap(u32 class, void __iomem *tap) else tap_prod_id = 0x0208; } + +#ifdef CONFIG_SOC_BUS + +static const char const *omap_types[] = { + [OMAP2_DEVICE_TYPE_TEST] = "TST", + [OMAP2_DEVICE_TYPE_EMU] = "EMU", + [OMAP2_DEVICE_TYPE_SEC] = "HS", + [OMAP2_DEVICE_TYPE_GP] = "GP", + [OMAP2_DEVICE_TYPE_BAD] = "BAD", +}; + +static const char * __init omap_get_family(void) +{ + if (cpu_is_omap24xx()) + return kasprintf(GFP_KERNEL, "OMAP2"); + else if (cpu_is_omap34xx()) + return kasprintf(GFP_KERNEL, "OMAP3"); + else if (cpu_is_omap44xx()) + return kasprintf(GFP_KERNEL, "OMAP4"); + else if (soc_is_omap54xx()) + return kasprintf(GFP_KERNEL, "OMAP5"); + else + return kasprintf(GFP_KERNEL, "Unknown"); +} + +static ssize_t omap_get_type(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return sprintf(buf, "%s\n", omap_types[omap_type()]); +} + +static struct device_attribute omap_soc_attr = + __ATTR(type, S_IRUGO, omap_get_type, NULL); + +void __init omap_soc_device_init(void) +{ + struct device *parent; + struct soc_device *soc_dev; + struct soc_device_attribute *soc_dev_attr; + + soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL); + if (!soc_dev_attr) + return; + + soc_dev_attr->machine = soc_name; + soc_dev_attr->family = omap_get_family(); + soc_dev_attr->revision = soc_rev; + + soc_dev = soc_device_register(soc_dev_attr); + if (IS_ERR_OR_NULL(soc_dev)) { + kfree(soc_dev_attr); + return; + } + + parent = soc_device_to_device(soc_dev); + if (!IS_ERR_OR_NULL(parent)) + device_create_file(parent, &omap_soc_attr); +} +#endif /* CONFIG_SOC_BUS */ |