MIPS: BCM63XX: add RNG peripheral definitions

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: mpm@selenic.com
Cc: herbert@gondor.apana.org.au
Patchwork: https://patchwork.linux-mips.org/patch/3326/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

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 82a8175d912e..0c981aa5a013 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 be107e9baf28..6a8df5635e79 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
@@ -974,6 +974,20 @@
 #define M2M_DSTID_REG(x)                ((x) * 0x40 + 0x18)
 
 /*************************************************************************
+ * _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
+
+/*************************************************************************
  * _REG relative to RSET_SPI
  *************************************************************************/