linux-kernel - [PATCH V2 1/2] soc: brcmstb: Add Product ID and Family ID helper functions

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Date:	Fri, 27 May 2016 15:57:29 -0400
From:	Al Cooper <alcooperx@...il.com>
To:	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	bcm-kernel-feedback-list@...adcom.com
Cc:	Al Cooper <alcooperx@...il.com>
Subject: [PATCH V2 1/2] soc: brcmstb: Add Product ID and Family ID helper functions

Signed-off-by: Al Cooper <alcooperx@...il.com>
---
 drivers/soc/brcmstb/common.c        | 12 ++++++++++++
 include/linux/soc/brcmstb/brcmstb.h | 10 ++++++++++
 2 files changed, 22 insertions(+)

diff --git a/drivers/soc/brcmstb/common.c b/drivers/soc/brcmstb/common.c
index 94e7335..454f4c2 100644
--- a/drivers/soc/brcmstb/common.c
+++ b/drivers/soc/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,brcmstb-sun-top-ctrl", },
 	{ }
diff --git a/include/linux/soc/brcmstb/brcmstb.h b/include/linux/soc/brcmstb/brcmstb.h
index 337ce41..4bf5edd 100644
--- a/include/linux/soc/brcmstb/brcmstb.h
+++ b/include/linux/soc/brcmstb/brcmstb.h
@@ -1,10 +1,20 @@
 #ifndef __BRCMSTB_SOC_H
 #define __BRCMSTB_SOC_H
 
+#define BRCM_ID(reg)	((u32)reg >> 28 ? (u32)reg >> 16 : (u32)reg >> 8)
+#define BRCM_REV(reg)	((u32)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 */
-- 
1.9.0.138.g2de3478