diff options
Diffstat (limited to 'arch/arm/mach-ixp4xx/common.c')
| -rw-r--r-- | arch/arm/mach-ixp4xx/common.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c index 000f672a94c9..007a44412e24 100644 --- a/arch/arm/mach-ixp4xx/common.c +++ b/arch/arm/mach-ixp4xx/common.c @@ -233,12 +233,38 @@ static struct platform_device *ixp46x_devices[] __initdata = { unsigned long ixp4xx_exp_bus_size; EXPORT_SYMBOL(ixp4xx_exp_bus_size); +static struct platform_device_info ixp_dev_info __initdata = { + .name = "ixp4xx_crypto", + .id = 0, + .dma_mask = DMA_BIT_MASK(32), +}; + +static int __init ixp_crypto_register(void) +{ + struct platform_device *pdev; + + if (!(~(*IXP4XX_EXP_CFG2) & (IXP4XX_FEATURE_HASH | + IXP4XX_FEATURE_AES | IXP4XX_FEATURE_DES))) { + printk(KERN_ERR "ixp_crypto: No HW crypto available\n"); + return -ENODEV; + } + + pdev = platform_device_register_full(&ixp_dev_info); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + + return 0; +} + void __init ixp4xx_sys_init(void) { ixp4xx_exp_bus_size = SZ_16M; platform_add_devices(ixp4xx_devices, ARRAY_SIZE(ixp4xx_devices)); + if (IS_ENABLED(CONFIG_CRYPTO_DEV_IXP4XX)) + ixp_crypto_register(); + if (cpu_is_ixp46x()) { int region; |