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archive/target/linux/brcm63xx/patches-4.4/330-MIPS-BCM63XX-add-a-new-cpu-variant-helper.patch
Jonas Gorski 1607b6ca70 brcm63xx: add linux 4.4 support
Only netboot tested. Flash at your own risk.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

SVN-Revision: 47702
2015-12-02 22:24:46 +00:00

78 lines
2.5 KiB
Diff

From c50acd37b425a8a907a6f7f93aa2e658256e79ce Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Sat, 7 Dec 2013 14:08:36 +0100
Subject: [PATCH 40/53] MIPS: BCM63XX: add a new cpu variant helper
---
arch/mips/bcm63xx/cpu.c | 10 ++++++++++
arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h | 18 ++++++++++++++++++
2 files changed, 28 insertions(+)
--- a/arch/mips/bcm63xx/cpu.c
+++ b/arch/mips/bcm63xx/cpu.c
@@ -27,6 +27,8 @@ EXPORT_SYMBOL(bcm63xx_irqs);
u16 bcm63xx_cpu_id __read_mostly;
EXPORT_SYMBOL(bcm63xx_cpu_id);
+static u32 bcm63xx_cpu_variant __read_mostly;
+
static u8 bcm63xx_cpu_rev;
static unsigned int bcm63xx_cpu_freq;
static unsigned int bcm63xx_memory_size;
@@ -99,6 +101,13 @@ static const int bcm6368_irqs[] = {
};
+u32 bcm63xx_get_cpu_variant(void)
+{
+ return bcm63xx_cpu_variant;
+}
+
+EXPORT_SYMBOL(bcm63xx_get_cpu_variant);
+
u8 bcm63xx_get_cpu_rev(void)
{
return bcm63xx_cpu_rev;
@@ -333,6 +342,7 @@ void __init bcm63xx_cpu_init(void)
/* read out CPU type */
tmp = bcm_readl(chipid_reg);
bcm63xx_cpu_id = (tmp & REV_CHIPID_MASK) >> REV_CHIPID_SHIFT;
+ bcm63xx_cpu_variant = bcm63xx_cpu_id;
bcm63xx_cpu_rev = (tmp & REV_REVID_MASK) >> REV_REVID_SHIFT;
switch (bcm63xx_cpu_id) {
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
@@ -19,6 +19,7 @@
#define BCM6368_CPU_ID 0x6368
void __init bcm63xx_cpu_init(void);
+u32 bcm63xx_get_cpu_variant(void);
u8 bcm63xx_get_cpu_rev(void);
unsigned int bcm63xx_get_cpu_freq(void);
@@ -82,6 +83,23 @@ static inline u16 __pure bcm63xx_get_cpu
#define BCMCPU_IS_6362() (bcm63xx_get_cpu_id() == BCM6362_CPU_ID)
#define BCMCPU_IS_6368() (bcm63xx_get_cpu_id() == BCM6368_CPU_ID)
+#define BCMCPU_VARIANT_IS_3368() \
+ (bcm63xx_get_cpu_variant() == BCM3368_CPU_ID)
+#define BCMCPU_VARIANT_IS_6328() \
+ (bcm63xx_get_cpu_variant() == BCM6328_CPU_ID)
+#define BCMCPU_VARIANT_IS_6338() \
+ (bcm63xx_get_cpu_variant() == BCM6338_CPU_ID)
+#define BCMCPU_VARIANT_IS_6345() \
+ (bcm63xx_get_cpu_variant() == BCM6345_CPU_ID)
+#define BCMCPU_VARIANT_IS_6348() \
+ (bcm63xx_get_cpu_variant() == BCM6348_CPU_ID)
+#define BCMCPU_VARIANT_IS_6358() \
+ (bcm63xx_get_cpu_cariant() == BCM6358_CPU_ID)
+#define BCMCPU_VARIANT_IS_6362() \
+ (bcm63xx_get_cpu_variant() == BCM6362_CPU_ID)
+#define BCMCPU_VARIANT_IS_6368() \
+ (bcm63xx_get_cpu_variant() == BCM6368_CPU_ID)
+
/*
* While registers sets are (mostly) the same across 63xx CPU, base
* address of these sets do change.