ARM: OMAP2+: Add support for RNG on DT booted N900

Add support for OMAP3 ROM Random Number Generator via
pdata-quirks.

Signed-off-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c
index c3b7335..fa298bd 100644 (file)
--- a/arch/arm/mach-omap2/pdata-quirks.c
+++ b/arch/arm/mach-omap2/pdata-quirks.c
@@ -226,6 +226,14 @@ static void __init am3517_evm_legacy_init(void)
        am35xx_emac_reset();
 }
 
+static struct platform_device omap3_rom_rng_device = {
+       .name           = "omap3-rom-rng",
+       .id             = -1,
+       .dev    = {
+               .platform_data  = rx51_secure_rng_call,
+       },
+};
+
 static void __init nokia_n900_legacy_init(void)
 {
        hsmmc2_internal_input_clk();
@@ -239,6 +247,10 @@ static void __init nokia_n900_legacy_init(void)
                        pr_warning("RX-51: Not enabling ARM errata 430973 workaround\n");
                        pr_warning("Thumb binaries may crash randomly without this workaround\n");
                }
+
+               pr_info("RX-51: Registring OMAP3 HWRNG device\n");
+               platform_device_register(&omap3_rom_rng_device);
+
        }
 }
 #endif /* CONFIG_ARCH_OMAP3 */