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authorAtsushi Nemoto <anemo@mba.ocn.ne.jp>2009-06-02 10:54:22 -0400
committerRalf Baechle <ralf@linux-mips.org>2009-06-17 06:06:27 -0400
commit923e3819005e60449ed6c9c8a86fd8e5cd9e6d77 (patch)
tree6771d45baadf1b627bd0c02b693052e516a26fa4 /arch
parent049a947c611a19523eaaf193f698b897a62d0593 (diff)
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')
-rw-r--r--arch/mips/include/asm/txx9/tx4939.h3
-rw-r--r--arch/mips/txx9/generic/setup_tx4939.c17
-rw-r--r--arch/mips/txx9/rbtx4939/setup.c1
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 @@
45#define TX4939_RTC_REG (TX4939_REG_BASE + 0xfb00) 45#define TX4939_RTC_REG (TX4939_REG_BASE + 0xfb00)
46#define TX4939_CIR_REG (TX4939_REG_BASE + 0xfc00) 46#define TX4939_CIR_REG (TX4939_REG_BASE + 0xfc00)
47 47
48#define TX4939_RNG_REG (TX4939_CRYPTO_REG + 0xb0)
49
48struct tx4939_le_reg { 50struct tx4939_le_reg {
49 __u32 r; 51 __u32 r;
50 __u32 unused; 52 __u32 unused;
@@ -547,5 +549,6 @@ void tx4939_ndfmc_init(unsigned int hold, unsigned int spw,
547void tx4939_dmac_init(int memcpy_chan0, int memcpy_chan1); 549void tx4939_dmac_init(int memcpy_chan0, int memcpy_chan1);
548void tx4939_aclc_init(void); 550void tx4939_aclc_init(void);
549void tx4939_sramc_init(void); 551void tx4939_sramc_init(void);
552void tx4939_rng_init(void);
550 553
551#endif /* __ASM_TXX9_TX4939_H */ 554#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)
500 txx9_sramc_init(&tx4939_sram_resource); 500 txx9_sramc_init(&tx4939_sram_resource);
501} 501}
502 502
503void __init tx4939_rng_init(void)
504{
505 static struct resource res = {
506 .start = TX4939_RNG_REG & 0xfffffffffULL,
507 .end = (TX4939_RNG_REG & 0xfffffffffULL) + 0x30 - 1,
508 .flags = IORESOURCE_MEM,
509 };
510 static struct platform_device pdev = {
511 .name = "tx4939-rng",
512 .id = -1,
513 .num_resources = 1,
514 .resource = &res,
515 };
516
517 platform_device_register(&pdev);
518}
519
503static void __init tx4939_stop_unused_modules(void) 520static void __init tx4939_stop_unused_modules(void)
504{ 521{
505 __u64 pcfg, rst = 0, ckd = 0; 522 __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)
502 tx4939_aclc_init(); 502 tx4939_aclc_init();
503 platform_device_register_simple("txx9aclc-generic", -1, NULL, 0); 503 platform_device_register_simple("txx9aclc-generic", -1, NULL, 0);
504 tx4939_sramc_init(); 504 tx4939_sramc_init();
505 tx4939_rng_init();
505} 506}
506 507
507static void __init rbtx4939_setup(void) 508static void __init rbtx4939_setup(void)