soc: brcmstb: Add Product ID and Family ID helper functions

Add Product ID and Family ID helper functions for brcmstb soc.

Signed-off-by: Al Cooper <[e-mail]>
Acked-by: Florian Fainelli <[e-mail]>
Signed-off-by: Kishon Vijay Abraham I <[e-mail]>

drivers/soc/bcm/brcmstb/common.c

···
 	return of_match_node(brcmstb_machine_match, root) != NULL;
 }
 
+u32 brcmstb_get_family_id(void)
+{
+	return family_id;
+}
+EXPORT_SYMBOL(brcmstb_get_family_id);
+
+u32 brcmstb_get_product_id(void)
+{
+	return product_id;
+}
+EXPORT_SYMBOL(brcmstb_get_product_id);
+
 static const struct of_device_id sun_top_ctrl_match[] = {
 	{ .compatible = "brcm,bcm7125-sun-top-ctrl", },
 	{ .compatible = "brcm,bcm7346-sun-top-ctrl", },

include/linux/soc/brcmstb/brcmstb.h

···
 #ifndef __BRCMSTB_SOC_H
 #define __BRCMSTB_SOC_H
 
+static inline u32 BRCM_ID(u32 reg)
+{
+	return reg >> 28 ? reg >> 16 : reg >> 8;
+}
+
+static inline u32 BRCM_REV(u32 reg)
+{
+	return reg & 0xff;
+}
+
 /*
  * Bus Interface Unit control register setup, must happen early during boot,
  * before SMP is brought up, called by machine entry point.
  */
 void brcmstb_biuctrl_init(void);
+
+/*
+ * Helper functions for getting family or product id from the
+ * SoC driver.
+ */
+u32 brcmstb_get_family_id(void);
+u32 brcmstb_get_product_id(void);
 
 #endif /* __BRCMSTB_SOC_H */