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[PATCH 3/5 v2] MIPS: BCM63XX: add RNG peripheral definitions

To: ralf@linux-mips.org
Subject: [PATCH 3/5 v2] MIPS: BCM63XX: add RNG peripheral definitions
From: Florian Fainelli <florian@openwrt.org>
Date: Tue, 31 Jan 2012 15:12:23 +0100
Cc: linux-mips@linux-mips.org, mpm@selenic.com, herbert@gondor.apana.org.au, Florian Fainelli <florian@openwrt.org>
In-reply-to: <1328019145-5946-1-git-send-email-florian@openwrt.org>
References: <1328019145-5946-1-git-send-email-florian@openwrt.org>
Sender: linux-mips-bounce@linux-mips.org
Signed-off-by: Florian Fainelli <florian@openwrt.org>
---
Changes since v1:
- renamed TRNG -> RNG to be consistent everywhere

 arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h  |    9 +++++++++
 arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h |   14 ++++++++++++++
 2 files changed, 23 insertions(+), 0 deletions(-)

diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h 
b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
index 82a8175..0c981aa 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
@@ -129,6 +129,7 @@ enum bcm63xx_regs_set {
        RSET_PCMDMA,
        RSET_PCMDMAC,
        RSET_PCMDMAS,
+       RSET_RNG
 };
 
 #define RSET_DSL_LMEM_SIZE             (64 * 1024 * 4)
@@ -152,6 +153,7 @@ enum bcm63xx_regs_set {
 #define RSET_XTMDMA_SIZE               256
 #define RSET_XTMDMAC_SIZE(chans)       (16 * (chans))
 #define RSET_XTMDMAS_SIZE(chans)       (16 * (chans))
+#define RSET_RNG_SIZE                  20
 
 /*
  * 6338 register sets base address
@@ -195,6 +197,7 @@ enum bcm63xx_regs_set {
 #define BCM_6338_PCMDMA_BASE           (0xdeadbeef)
 #define BCM_6338_PCMDMAC_BASE          (0xdeadbeef)
 #define BCM_6338_PCMDMAS_BASE          (0xdeadbeef)
+#define BCM_6338_RNG_BASE              (0xdeadbeef)
 
 /*
  * 6345 register sets base address
@@ -238,6 +241,7 @@ enum bcm63xx_regs_set {
 #define BCM_6345_PCMDMA_BASE           (0xdeadbeef)
 #define BCM_6345_PCMDMAC_BASE          (0xdeadbeef)
 #define BCM_6345_PCMDMAS_BASE          (0xdeadbeef)
+#define BCM_6345_RNG_BASE              (0xdeadbeef)
 
 /*
  * 6348 register sets base address
@@ -278,6 +282,7 @@ enum bcm63xx_regs_set {
 #define BCM_6348_PCMDMA_BASE           (0xdeadbeef)
 #define BCM_6348_PCMDMAC_BASE          (0xdeadbeef)
 #define BCM_6348_PCMDMAS_BASE          (0xdeadbeef)
+#define BCM_6348_RNG_BASE              (0xdeadbeef)
 
 /*
  * 6358 register sets base address
@@ -318,6 +323,7 @@ enum bcm63xx_regs_set {
 #define BCM_6358_PCMDMA_BASE           (0xfffe1800)
 #define BCM_6358_PCMDMAC_BASE          (0xfffe1900)
 #define BCM_6358_PCMDMAS_BASE          (0xfffe1a00)
+#define BCM_6358_RNG_BASE              (0xdeadbeef)
 
 
 /*
@@ -359,6 +365,7 @@ enum bcm63xx_regs_set {
 #define BCM_6368_PCMDMA_BASE           (0xb0005800)
 #define BCM_6368_PCMDMAC_BASE          (0xb0005a00)
 #define BCM_6368_PCMDMAS_BASE          (0xb0005c00)
+#define BCM_6368_RNG_BASE              (0xb0004180)
 
 
 extern const unsigned long *bcm63xx_regs_base;
@@ -404,6 +411,7 @@ extern const unsigned long *bcm63xx_regs_base;
        __GEN_RSET_BASE(__cpu, PCMDMA)                                  \
        __GEN_RSET_BASE(__cpu, PCMDMAC)                                 \
        __GEN_RSET_BASE(__cpu, PCMDMAS)                                 \
+       __GEN_RSET_BASE(__cpu, RNG)                                     \
        }
 
 #define __GEN_CPU_REGS_TABLE(__cpu)                                    \
@@ -442,6 +450,7 @@ extern const unsigned long *bcm63xx_regs_base;
        [RSET_PCMDMA]           = BCM_## __cpu ##_PCMDMA_BASE,          \
        [RSET_PCMDMAC]          = BCM_## __cpu ##_PCMDMAC_BASE,         \
        [RSET_PCMDMAS]          = BCM_## __cpu ##_PCMDMAS_BASE,         \
+       [RSET_RNG]              = BCM_## __cpu ##_RNG_BASE,             \
 
 
 static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set)
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h 
b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
index be107e9..6fdde35 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
@@ -1092,4 +1092,18 @@
 #define SPI_SSOFFTIME_SHIFT            3
 #define SPI_BYTE_SWAP                  0x80
 
+/*************************************************************************
+ * _REG relative to RSET_RNG
+ *************************************************************************/
+
+#define RNG_CTRL                       0x00
+#define RNG_EN                         (1 << 0)
+
+#define RNG_STAT                       0x04
+#define RNG_AVAIL_MASK                 (0xff000000)
+
+#define RNG_DATA                       0x08
+#define RNG_THRES                      0x0c
+#define RNG_MASK                       0x10
+
 #endif /* BCM63XX_REGS_H_ */
-- 
1.7.5.4


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