diff options
| author | Ibai Erkiaga <ibai.erkiaga-elorza@xilinx.com> | 2018-04-05 05:19:27 -0700 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2020-06-24 13:07:58 +0200 |
| commit | c64afba2fb483d416ad5da9dfe3f1f156ccf2366 (patch) | |
| tree | bc1dce5542a4c170446155548c0d09dcf354bcf3 /drivers/fpga | |
| parent | 1d9632a3ccca00638ace1ff6bbce7eba1e15aac7 (diff) | |
fpga: zynqpl: Check if aes engine is enabled
AES engine cannot be used if has not been enabled at boot time
with an encrypted boot image.
Signed-off-by: Ibai Erkiaga <ibai.erkiaga-elorza@xilinx.com>
Acked-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'drivers/fpga')
| -rw-r--r-- | drivers/fpga/zynqpl.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/fpga/zynqpl.c b/drivers/fpga/zynqpl.c index de71969399..90bb850833 100644 --- a/drivers/fpga/zynqpl.c +++ b/drivers/fpga/zynqpl.c @@ -22,6 +22,7 @@ #define DEVCFG_CTRL_PCFG_PROG_B 0x40000000 #define DEVCFG_CTRL_PCFG_AES_EFUSE_MASK 0x00001000 #define DEVCFG_CTRL_PCAP_RATE_EN_MASK 0x02000000 +#define DEVCFG_CTRL_PCFG_AES_EN_MASK 0x00000E00 #define DEVCFG_ISR_FATAL_ERROR_MASK 0x00740040 #define DEVCFG_ISR_ERROR_FLAGS_MASK 0x00340840 #define DEVCFG_ISR_RX_FIFO_OV 0x00040000 @@ -522,6 +523,13 @@ int zynq_decrypt_load(u32 srcaddr, u32 srclen, u32 dstaddr, u32 dstlen, return FPGA_FAIL; } + /* Check AES engine is enabled */ + if (!(readl(&devcfg_base->ctrl) & + DEVCFG_CTRL_PCFG_AES_EN_MASK)) { + printf("%s: AES engine is not enabled\n", __func__); + return FPGA_FAIL; + } + if (zynq_dma_xfer_init(bstype)) { printf("%s: zynq_dma_xfer_init FAIL\n", __func__); return FPGA_FAIL; |