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| author | Atsushi Nemoto <anemo@mba.ocn.ne.jp> | 2009-06-02 16:54:22 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2009-06-17 12:06:27 +0200 |
| commit | 923e3819005e60449ed6c9c8a86fd8e5cd9e6d77 (patch) | |
| tree | 6771d45baadf1b627bd0c02b693052e516a26fa4 /arch/mips | |
| parent | MIPS: hwrng: Add TX4939 RNG driver (diff) | |
| download | linux-923e3819005e60449ed6c9c8a86fd8e5cd9e6d77.tar.xz linux-923e3819005e60449ed6c9c8a86fd8e5cd9e6d77.zip | |
MIPS: TXx9: Add TX4939 RNG support
Add platform support for RNG of TX4939 SoC.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/include/asm/txx9/tx4939.h | 3 | ||||
| -rw-r--r-- | arch/mips/txx9/generic/setup_tx4939.c | 17 | ||||
| -rw-r--r-- | arch/mips/txx9/rbtx4939/setup.c | 1 |
3 files changed, 21 insertions, 0 deletions
diff --git a/arch/mips/include/asm/txx9/tx4939.h b/arch/mips/include/asm/txx9/tx4939.h index 050364d50b79..d4f342cd5939 100644 --- a/arch/mips/include/asm/txx9/tx4939.h +++ b/arch/mips/include/asm/txx9/tx4939.h @@ -45,6 +45,8 @@ #define TX4939_RTC_REG (TX4939_REG_BASE + 0xfb00) #define TX4939_CIR_REG (TX4939_REG_BASE + 0xfc00) +#define TX4939_RNG_REG (TX4939_CRYPTO_REG + 0xb0) + struct tx4939_le_reg { __u32 r; __u32 unused; @@ -547,5 +549,6 @@ void tx4939_ndfmc_init(unsigned int hold, unsigned int spw, void tx4939_dmac_init(int memcpy_chan0, int memcpy_chan1); void tx4939_aclc_init(void); void tx4939_sramc_init(void); +void tx4939_rng_init(void); #endif /* __ASM_TXX9_TX4939_H */ diff --git a/arch/mips/txx9/generic/setup_tx4939.c b/arch/mips/txx9/generic/setup_tx4939.c index df13a891fb4b..3dc19f482959 100644 --- a/arch/mips/txx9/generic/setup_tx4939.c +++ b/arch/mips/txx9/generic/setup_tx4939.c @@ -500,6 +500,23 @@ void __init tx4939_sramc_init(void) txx9_sramc_init(&tx4939_sram_resource); } +void __init tx4939_rng_init(void) +{ + static struct resource res = { + .start = TX4939_RNG_REG & 0xfffffffffULL, + .end = (TX4939_RNG_REG & 0xfffffffffULL) + 0x30 - 1, + .flags = IORESOURCE_MEM, + }; + static struct platform_device pdev = { + .name = "tx4939-rng", + .id = -1, + .num_resources = 1, + .resource = &res, + }; + + platform_device_register(&pdev); +} + static void __init tx4939_stop_unused_modules(void) { __u64 pcfg, rst = 0, ckd = 0; diff --git a/arch/mips/txx9/rbtx4939/setup.c b/arch/mips/txx9/rbtx4939/setup.c index b9196966447b..c033ffe71cdf 100644 --- a/arch/mips/txx9/rbtx4939/setup.c +++ b/arch/mips/txx9/rbtx4939/setup.c @@ -502,6 +502,7 @@ static void __init rbtx4939_device_init(void) tx4939_aclc_init(); platform_device_register_simple("txx9aclc-generic", -1, NULL, 0); tx4939_sramc_init(); + tx4939_rng_init(); } static void __init rbtx4939_setup(void) |