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Diffstat (limited to 'arch/mips/ralink/mt7621.c')
-rw-r--r--arch/mips/ralink/mt7621.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/mips/ralink/mt7621.c b/arch/mips/ralink/mt7621.c
index 9415be0d57b8..0accb80db709 100644
--- a/arch/mips/ralink/mt7621.c
+++ b/arch/mips/ralink/mt7621.c
@@ -7,6 +7,8 @@
#include <linux/kernel.h>
#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/sys_soc.h>
#include <asm/mipsregs.h>
#include <asm/smp-ops.h>
@@ -160,6 +162,33 @@ void __init ralink_of_remap(void)
panic("Failed to remap core resources");
}
+static void soc_dev_init(struct ralink_soc_info *soc_info, u32 rev)
+{
+ 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->soc_id = "mt7621";
+ soc_dev_attr->family = "Ralink";
+
+ if (((rev >> CHIP_REV_VER_SHIFT) & CHIP_REV_VER_MASK) == 1 &&
+ (rev & CHIP_REV_ECO_MASK) == 1)
+ soc_dev_attr->revision = "E2";
+ else
+ soc_dev_attr->revision = "E1";
+
+ soc_dev_attr->data = soc_info;
+
+ soc_dev = soc_device_register(soc_dev_attr);
+ if (IS_ERR(soc_dev)) {
+ kfree(soc_dev_attr);
+ return;
+ }
+}
+
void prom_soc_init(struct ralink_soc_info *soc_info)
{
void __iomem *sysc = (void __iomem *) KSEG1ADDR(MT7621_SYSC_BASE);
@@ -214,6 +243,7 @@ void prom_soc_init(struct ralink_soc_info *soc_info)
rt2880_pinmux_data = mt7621_pinmux_data;
+ soc_dev_init(soc_info, rev);
if (!register_cps_smp_ops())
return;