diff options
author | Arun Murthy <arun.murthy@stericsson.com> | 2011-10-31 11:05:17 +0530 |
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committer | Rabin VINCENT <rabin.vincent@stericsson.com> | 2011-10-31 12:56:25 +0100 |
commit | d1e35f4cce0e2a4660321e1c92583b7687e453ff (patch) | |
tree | 9a13e8d9d6f521a8a49fa68b568abecf8ae30bb2 | |
parent | e91fe4352dd9303db8e9bdb785a0b0ef0bf5f3c3 (diff) |
mach-ux500: expose system info through socinfou8500-android-2.3_v4.27
Generalize the exposure of socinfo for MBL and FB.
ST-Ericsson Linux next: NA
ST-Ericsson ID: 370604
ST-Ericsson FOSS-OUT ID: Trivial
Change-Id: Ie05c5dae9bc606b8a5716e183b04d590877d9dc3
Signed-off-by: Arun Murthy <arun.murthy@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/35848
Reviewed-by: QATOOLS
Reviewed-by: Rabin VINCENT <rabin.vincent@stericsson.com>
-rw-r--r-- | arch/arm/mach-ux500/cpu-db8500.c | 79 | ||||
-rw-r--r-- | arch/arm/mach-ux500/cpu.c | 80 |
2 files changed, 80 insertions, 79 deletions
diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c index d2def0828a6..67330b8dd24 100644 --- a/arch/arm/mach-ux500/cpu-db8500.c +++ b/arch/arm/mach-ux500/cpu-db8500.c @@ -179,82 +179,3 @@ void __init u8500_init_devices(void) return ; } - -#ifdef CONFIG_SYS_SOC -#define U8500_BB_UID_BASE (U8500_BACKUPRAM1_BASE + 0xFC0) -#define U8500_BB_UID_LENGTH 5 - -static ssize_t ux500_get_machine(char *buf, struct sysfs_soc_info *si) -{ - return sprintf(buf, "DB%2x00\n", dbx500_id.partnumber); -} - -static ssize_t ux500_get_soc_id(char *buf, struct sysfs_soc_info *si) -{ - void __iomem *uid_base; - int i; - ssize_t sz = 0; - - if (dbx500_id.partnumber == 0x85) { - uid_base = __io_address(U8500_BB_UID_BASE); - for (i = 0; i < U8500_BB_UID_LENGTH; i++) - sz += sprintf(buf + sz, "%08x", readl(uid_base + i * sizeof(u32))); - sz += sprintf(buf + sz, "\n"); - } - else { - /* Don't know where it is located for U5500 */ - sz = sprintf(buf, "N/A\n"); - } - - return sz; -} - -static ssize_t ux500_get_revision(char *buf, struct sysfs_soc_info *si) -{ - unsigned int rev = dbx500_id.revision; - - if (rev == 0x01) - return sprintf(buf, "%s\n", "ED"); - else if (rev >= 0xA0) - return sprintf(buf, "%d.%d\n" , (rev >> 4) - 0xA + 1, rev & 0xf); - - return sprintf(buf, "%s", "Unknown\n"); -} - -static ssize_t ux500_get_process(char *buf, struct sysfs_soc_info *si) -{ - if (dbx500_id.process == 0x00) - return sprintf(buf, "Standard\n"); - - return sprintf(buf, "%02xnm\n", dbx500_id.process); -} - -static ssize_t ux500_get_reset_code(char *buf, struct sysfs_soc_info *si) -{ - return sprintf(buf, "0x%04x\n", prcmu_get_reset_code()); -} - -static ssize_t ux500_get_reset_reason(char *buf, struct sysfs_soc_info *si) -{ - return sprintf(buf, "%s\n", - reboot_reason_string(prcmu_get_reset_code())); -} - -static struct sysfs_soc_info soc_info[] = { - SYSFS_SOC_ATTR_CALLBACK("machine", ux500_get_machine), - SYSFS_SOC_ATTR_VALUE("family", "Ux500"), - SYSFS_SOC_ATTR_CALLBACK("soc_id", ux500_get_soc_id), - SYSFS_SOC_ATTR_CALLBACK("revision", ux500_get_revision), - SYSFS_SOC_ATTR_CALLBACK("process", ux500_get_process), - SYSFS_SOC_ATTR_CALLBACK("reset_code", ux500_get_reset_code), - SYSFS_SOC_ATTR_CALLBACK("reset_reason", ux500_get_reset_reason), -}; - -static int __init ux500_sys_soc_init(void) -{ - return register_sysfs_soc(soc_info, ARRAY_SIZE(soc_info)); -} - -module_init(ux500_sys_soc_init); -#endif - diff --git a/arch/arm/mach-ux500/cpu.c b/arch/arm/mach-ux500/cpu.c index bfdebbeab3e..ec106bbdc48 100644 --- a/arch/arm/mach-ux500/cpu.c +++ b/arch/arm/mach-ux500/cpu.c @@ -9,6 +9,7 @@ #include <linux/io.h> #include <linux/clk.h> #include <linux/delay.h> +#include <linux/sys_soc.h> #include <linux/clksrc-dbx500-prcmu.h> #include <linux/mfd/dbx500-prcmu.h> @@ -155,3 +156,82 @@ static int ux500_l2x0_init(void) } early_initcall(ux500_l2x0_init); #endif + +#ifdef CONFIG_SYS_SOC +#define U8500_BB_UID_BASE (U8500_BACKUPRAM1_BASE + 0xFC0) +#define U8500_BB_UID_LENGTH 5 + +static ssize_t ux500_get_machine(char *buf, struct sysfs_soc_info *si) +{ + return sprintf(buf, "DB%2x00\n", dbx500_id.partnumber); +} + +static ssize_t ux500_get_soc_id(char *buf, struct sysfs_soc_info *si) +{ + void __iomem *uid_base; + int i; + ssize_t sz = 0; + + if (dbx500_id.partnumber == 0x85) { + uid_base = __io_address(U8500_BB_UID_BASE); + for (i = 0; i < U8500_BB_UID_LENGTH; i++) + sz += sprintf(buf + sz, "%08x", + readl(uid_base + i * sizeof(u32))); + sz += sprintf(buf + sz, "\n"); + } else { + /* Don't know where it is located for U5500 */ + sz = sprintf(buf, "N/A\n"); + } + + return sz; +} + +static ssize_t ux500_get_revision(char *buf, struct sysfs_soc_info *si) +{ + unsigned int rev = dbx500_id.revision; + + if (rev == 0x01) + return sprintf(buf, "%s\n", "ED"); + else if (rev >= 0xA0) + return sprintf(buf, "%d.%d\n" , + (rev >> 4) - 0xA + 1, rev & 0xf); + + return sprintf(buf, "%s", "Unknown\n"); +} + +static ssize_t ux500_get_process(char *buf, struct sysfs_soc_info *si) +{ + if (dbx500_id.process == 0x00) + return sprintf(buf, "Standard\n"); + + return sprintf(buf, "%02xnm\n", dbx500_id.process); +} + +static ssize_t ux500_get_reset_code(char *buf, struct sysfs_soc_info *si) +{ + return sprintf(buf, "0x%04x\n", prcmu_get_reset_code()); +} + +static ssize_t ux500_get_reset_reason(char *buf, struct sysfs_soc_info *si) +{ + return sprintf(buf, "%s\n", + reboot_reason_string(prcmu_get_reset_code())); +} + +static struct sysfs_soc_info soc_info[] = { + SYSFS_SOC_ATTR_CALLBACK("machine", ux500_get_machine), + SYSFS_SOC_ATTR_VALUE("family", "Ux500"), + SYSFS_SOC_ATTR_CALLBACK("soc_id", ux500_get_soc_id), + SYSFS_SOC_ATTR_CALLBACK("revision", ux500_get_revision), + SYSFS_SOC_ATTR_CALLBACK("process", ux500_get_process), + SYSFS_SOC_ATTR_CALLBACK("reset_code", ux500_get_reset_code), + SYSFS_SOC_ATTR_CALLBACK("reset_reason", ux500_get_reset_reason), +}; + +static int __init ux500_sys_soc_init(void) +{ + return register_sysfs_soc(soc_info, ARRAY_SIZE(soc_info)); +} + +module_init(ux500_sys_soc_init); +#endif |