From: "Pali Rohár" <pali.rohar@gmail.com>
To: Matt Mackall <mpm@selenic.com>,
Herbert Xu <herbert@gondor.hengli.com.au>,
Tony Lindgren <tony@atomide.com>,
Russell King <linux@arm.linux.org.uk>
Cc: linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org,
"Pali Rohár" <pali.rohar@gmail.com>
Subject: [PATCH 2/2] RX-51: Add support for OMAP3 ROM Random Number Generator
Date: Wed, 18 Sep 2013 22:05:57 +0200 [thread overview]
Message-ID: <1379534757-20870-3-git-send-email-pali.rohar@gmail.com> (raw)
In-Reply-To: <1379534757-20870-1-git-send-email-pali.rohar@gmail.com>
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
---
arch/arm/mach-omap2/board-rx51.c | 10 ++++++++++
arch/arm/mach-omap2/omap-secure.c | 11 +++++++++++
arch/arm/mach-omap2/omap-secure.h | 1 +
3 files changed, 22 insertions(+)
diff --git a/arch/arm/mach-omap2/board-rx51.c b/arch/arm/mach-omap2/board-rx51.c
index db168c9..c2a3e39 100644
--- a/arch/arm/mach-omap2/board-rx51.c
+++ b/arch/arm/mach-omap2/board-rx51.c
@@ -93,6 +93,14 @@ static struct omap_musb_board_data musb_board_data = {
.power = 0,
};
+static struct platform_device omap3_rom_rng_device = {
+ .name = "omap_rng",
+ .id = -1,
+ .dev = {
+ .platform_data = rx51_secure_rng_call,
+ },
+};
+
static void __init rx51_init(void)
{
struct omap_sdrc_params *sdrc_params;
@@ -113,6 +121,8 @@ static void __init rx51_init(void)
/* set IBE to 1 */
rx51_secure_update_aux_cr(BIT(6), 0);
#endif
+ pr_info("RX-51: Registring OMAP3 HWRNG device\n");
+ platform_device_register(&omap3_rom_rng_device);
}
/* Ensure SDRC pins are mux'd for self-refresh */
diff --git a/arch/arm/mach-omap2/omap-secure.c b/arch/arm/mach-omap2/omap-secure.c
index 146a7c4..5ac122e 100644
--- a/arch/arm/mach-omap2/omap-secure.c
+++ b/arch/arm/mach-omap2/omap-secure.c
@@ -135,3 +135,14 @@ u32 rx51_secure_update_aux_cr(u32 set_bits, u32 clear_bits)
FLAG_START_CRITICAL,
1, acr, 0, 0, 0);
}
+
+/**
+ * rx51_secure_rng_call: Routine for HW random generator
+ */
+u32 rx51_secure_rng_call(u32 ptr, u32 count, u32 flag)
+{
+ return rx51_secure_dispatcher(RX51_PPA_HWRNG,
+ 0,
+ NO_FLAG,
+ 3, ptr, count, flag, 0);
+}
diff --git a/arch/arm/mach-omap2/omap-secure.h b/arch/arm/mach-omap2/omap-secure.h
index 51b59c6..f6cabb0 100644
--- a/arch/arm/mach-omap2/omap-secure.h
+++ b/arch/arm/mach-omap2/omap-secure.h
@@ -65,6 +65,7 @@ extern int omap_secure_ram_reserve_memblock(void);
extern u32 rx51_secure_dispatcher(u32 idx, u32 process, u32 flag, u32 nargs,
u32 arg1, u32 arg2, u32 arg3, u32 arg4);
extern u32 rx51_secure_update_aux_cr(u32 set_bits, u32 clear_bits);
+extern u32 rx51_secure_rng_call(u32 ptr, u32 count, u32 flag);
#ifdef CONFIG_OMAP4_ERRATA_I688
extern int omap_barrier_reserve_memblock(void);
--
1.7.10.4
next prev parent reply other threads:[~2013-09-18 20:08 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-28 18:05 [PATCH] OMAP3 ROM Random Number Generator support Pali Rohár
2013-03-24 14:15 ` Pali Rohár
2013-03-27 21:09 ` Tony Lindgren
2013-03-27 22:03 ` Pali Rohár
2013-03-27 22:25 ` Tony Lindgren
2013-03-28 17:54 ` Pali Rohár
2013-03-28 21:44 ` Tony Lindgren
2013-03-31 9:28 ` Pali Rohár
2013-04-01 16:25 ` Tony Lindgren
2013-09-18 20:05 ` [PATCH 0/2] " Pali Rohár
2013-09-18 20:05 ` [PATCH 1/2] hwrng: " Pali Rohár
2013-09-18 20:22 ` Joe Perches
2013-09-18 20:50 ` Aaro Koskinen
2013-09-18 20:05 ` Pali Rohár [this message]
2013-09-18 20:39 ` [PATCH 2/2] RX-51: Add support for OMAP3 ROM Random Number Generator Tony Lindgren
2013-09-20 13:25 ` [PATCH v2 0/3] OMAP3 ROM Random Number Generator support Pali Rohár
2013-09-20 13:25 ` [PATCH v2 1/3] omap2: Change clk dev id for rng to omap3-rom-rng Pali Rohár
2013-09-20 16:23 ` Tony Lindgren
2013-09-20 16:41 ` Pali Rohár
2013-09-20 17:46 ` Tony Lindgren
2013-09-20 18:24 ` Pali Rohár
2013-09-20 18:31 ` Tony Lindgren
2013-09-20 13:25 ` [PATCH v2 2/3] hwrng: OMAP3 ROM Random Number Generator support Pali Rohár
2013-10-08 19:04 ` Tony Lindgren
2013-10-16 12:57 ` Herbert Xu
2013-11-18 21:51 ` Pali Rohár
2013-11-19 2:14 ` Herbert Xu
2013-11-23 9:37 ` Pali Rohár
2013-11-23 12:09 ` Sebastian Reichel
2013-09-20 13:25 ` [PATCH v2 3/3] RX-51: Add support for OMAP3 ROM Random Number Generator Pali Rohár
2013-10-08 19:06 ` Tony Lindgren
2013-03-28 9:52 ` [PATCH] OMAP3 ROM Random Number Generator support Russell King - ARM Linux
2013-03-28 17:24 ` Pali Rohár
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