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authorArun Murthy <arun.murthy@stericsson.com>2011-10-31 11:05:17 +0530
committerRabin VINCENT <rabin.vincent@stericsson.com>2011-10-31 12:56:25 +0100
commitd1e35f4cce0e2a4660321e1c92583b7687e453ff (patch)
tree9a13e8d9d6f521a8a49fa68b568abecf8ae30bb2
parente91fe4352dd9303db8e9bdb785a0b0ef0bf5f3c3 (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.c79
-rw-r--r--arch/arm/mach-ux500/cpu.c80
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