[V6,1/4] soc: brcmstb: Add Product ID and Family ID helper functions

Commit Message

Alan Cooper Sept. 22, 2017, 7:33 p.m. UTC

Signed-off-by: Al Cooper <[e-mail]>
---
 drivers/soc/bcm/brcmstb/common.c    | 12 ++++++++++++
 include/linux/soc/brcmstb/brcmstb.h | 17 +++++++++++++++++
 2 files changed, 29 insertions(+)

Patch

diff --git a/drivers/soc/bcm/brcmstb/common.c b/drivers/soc/bcm/brcmstb/common.c
index 22e98a9..a71730d 100644
--- a/drivers/soc/bcm/brcmstb/common.c
+++ b/drivers/soc/bcm/brcmstb/common.c
@@ -40,6 +40,18 @@  bool soc_is_brcmstb(void)
 	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", },
diff --git a/include/linux/soc/brcmstb/brcmstb.h b/include/linux/soc/brcmstb/brcmstb.h
index 337ce41..8baafd6 100644
--- a/include/linux/soc/brcmstb/brcmstb.h
+++ b/include/linux/soc/brcmstb/brcmstb.h
@@ -1,10 +1,27 @@ 
 #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 */