Root/target/linux/brcm63xx/patches-3.3/019-MIPS-BCM63XX-add-RNG-peripheral-definitions.patch

1From 357761c423c0f9e4af4aafe85be7889dc36f3584 Mon Sep 17 00:00:00 2001
2From: Florian Fainelli <florian@openwrt.org>
3Date: Tue, 31 Jan 2012 15:12:23 +0100
4Subject: [PATCH 4/6] MIPS: BCM63XX: add RNG peripheral definitions
5
6Signed-off-by: Florian Fainelli <florian@openwrt.org>
7Cc: linux-mips@linux-mips.org
8Cc: mpm@selenic.com
9Cc: herbert@gondor.apana.org.au
10Patchwork: https://patchwork.linux-mips.org/patch/3326/
11Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
12---
13 arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h | 9 +++++++++
14 arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h | 14 ++++++++++++++
15 2 files changed, 23 insertions(+), 0 deletions(-)
16
17--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
18+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
19@@ -129,6 +129,7 @@ enum bcm63xx_regs_set {
20     RSET_PCMDMA,
21     RSET_PCMDMAC,
22     RSET_PCMDMAS,
23+ RSET_RNG
24 };
25 
26 #define RSET_DSL_LMEM_SIZE (64 * 1024 * 4)
27@@ -152,6 +153,7 @@ enum bcm63xx_regs_set {
28 #define RSET_XTMDMA_SIZE 256
29 #define RSET_XTMDMAC_SIZE(chans) (16 * (chans))
30 #define RSET_XTMDMAS_SIZE(chans) (16 * (chans))
31+#define RSET_RNG_SIZE 20
32 
33 /*
34  * 6338 register sets base address
35@@ -195,6 +197,7 @@ enum bcm63xx_regs_set {
36 #define BCM_6338_PCMDMA_BASE (0xdeadbeef)
37 #define BCM_6338_PCMDMAC_BASE (0xdeadbeef)
38 #define BCM_6338_PCMDMAS_BASE (0xdeadbeef)
39+#define BCM_6338_RNG_BASE (0xdeadbeef)
40 
41 /*
42  * 6345 register sets base address
43@@ -238,6 +241,7 @@ enum bcm63xx_regs_set {
44 #define BCM_6345_PCMDMA_BASE (0xdeadbeef)
45 #define BCM_6345_PCMDMAC_BASE (0xdeadbeef)
46 #define BCM_6345_PCMDMAS_BASE (0xdeadbeef)
47+#define BCM_6345_RNG_BASE (0xdeadbeef)
48 
49 /*
50  * 6348 register sets base address
51@@ -278,6 +282,7 @@ enum bcm63xx_regs_set {
52 #define BCM_6348_PCMDMA_BASE (0xdeadbeef)
53 #define BCM_6348_PCMDMAC_BASE (0xdeadbeef)
54 #define BCM_6348_PCMDMAS_BASE (0xdeadbeef)
55+#define BCM_6348_RNG_BASE (0xdeadbeef)
56 
57 /*
58  * 6358 register sets base address
59@@ -318,6 +323,7 @@ enum bcm63xx_regs_set {
60 #define BCM_6358_PCMDMA_BASE (0xfffe1800)
61 #define BCM_6358_PCMDMAC_BASE (0xfffe1900)
62 #define BCM_6358_PCMDMAS_BASE (0xfffe1a00)
63+#define BCM_6358_RNG_BASE (0xdeadbeef)
64 
65 
66 /*
67@@ -359,6 +365,7 @@ enum bcm63xx_regs_set {
68 #define BCM_6368_PCMDMA_BASE (0xb0005800)
69 #define BCM_6368_PCMDMAC_BASE (0xb0005a00)
70 #define BCM_6368_PCMDMAS_BASE (0xb0005c00)
71+#define BCM_6368_RNG_BASE (0xb0004180)
72 
73 
74 extern const unsigned long *bcm63xx_regs_base;
75@@ -404,6 +411,7 @@ extern const unsigned long *bcm63xx_regs
76     __GEN_RSET_BASE(__cpu, PCMDMA) \
77     __GEN_RSET_BASE(__cpu, PCMDMAC) \
78     __GEN_RSET_BASE(__cpu, PCMDMAS) \
79+ __GEN_RSET_BASE(__cpu, RNG) \
80     }
81 
82 #define __GEN_CPU_REGS_TABLE(__cpu) \
83@@ -442,6 +450,7 @@ extern const unsigned long *bcm63xx_regs
84     [RSET_PCMDMA] = BCM_## __cpu ##_PCMDMA_BASE, \
85     [RSET_PCMDMAC] = BCM_## __cpu ##_PCMDMAC_BASE, \
86     [RSET_PCMDMAS] = BCM_## __cpu ##_PCMDMAS_BASE, \
87+ [RSET_RNG] = BCM_## __cpu ##_RNG_BASE, \
88 
89 
90 static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set)
91--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
92+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
93@@ -974,6 +974,20 @@
94 #define M2M_DSTID_REG(x) ((x) * 0x40 + 0x18)
95 
96 /*************************************************************************
97+ * _REG relative to RSET_RNG
98+ *************************************************************************/
99+
100+#define RNG_CTRL 0x00
101+#define RNG_EN (1 << 0)
102+
103+#define RNG_STAT 0x04
104+#define RNG_AVAIL_MASK (0xff000000)
105+
106+#define RNG_DATA 0x08
107+#define RNG_THRES 0x0c
108+#define RNG_MASK 0x10
109+
110+/*************************************************************************
111  * _REG relative to RSET_SPI
112  *************************************************************************/
113 
114

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