diff options
| author | Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> | 2018-05-31 15:10:23 +0530 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2018-06-01 11:37:31 +0200 |
| commit | a18d09ea384fb66105fbfa24fd2d1288754b8f07 (patch) | |
| tree | af4d25c51294ee29d8fdd1356dd5080b37bee56a /drivers/fpga | |
| parent | cedd48e2cdb752444444a97157025f16e63ee446 (diff) | |
| download | u-boot-a18d09ea384fb66105fbfa24fd2d1288754b8f07.tar.gz | |
fpga: zynqmp: Add secure bitstream loading for ZynqMP
This patch adds support for loading secure bitstreams on ZynqMP
platforms. The secure bitstream images has to be generated using
Xilinx bootgen tool.
Signed-off-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/xilinx.c | 18 | ||||
| -rw-r--r-- | drivers/fpga/zynqmppl.c | 48 |
2 files changed, 66 insertions, 0 deletions
diff --git a/drivers/fpga/xilinx.c b/drivers/fpga/xilinx.c index 724304a545..f5135504ee 100644 --- a/drivers/fpga/xilinx.c +++ b/drivers/fpga/xilinx.c @@ -171,6 +171,24 @@ int xilinx_loadfs(xilinx_desc *desc, const void *buf, size_t bsize, } #endif +#if defined(CONFIG_CMD_FPGA_LOAD_SECURE) +int xilinx_loads(xilinx_desc *desc, const void *buf, size_t bsize, + struct fpga_secure_info *fpga_sec_info) +{ + if (!xilinx_validate(desc, (char *)__func__)) { + printf("%s: Invalid device descriptor\n", __func__); + return FPGA_FAIL; + } + + if (!desc->operations || !desc->operations->loads) { + printf("%s: Missing loads operation\n", __func__); + return FPGA_FAIL; + } + + return desc->operations->loads(desc, buf, bsize, fpga_sec_info); +} +#endif + int xilinx_dump(xilinx_desc *desc, const void *buf, size_t bsize) { if (!xilinx_validate (desc, (char *)__FUNCTION__)) { diff --git a/drivers/fpga/zynqmppl.c b/drivers/fpga/zynqmppl.c index b57623b6a7..03ffa8c11f 100644 --- a/drivers/fpga/zynqmppl.c +++ b/drivers/fpga/zynqmppl.c @@ -223,6 +223,51 @@ static int zynqmp_load(xilinx_desc *desc, const void *buf, size_t bsize, return ret; } +#if defined(CONFIG_CMD_FPGA_LOAD_SECURE) && !defined(CONFIG_SPL_BUILD) +static int zynqmp_loads(xilinx_desc *desc, const void *buf, size_t bsize, + struct fpga_secure_info *fpga_sec_info) +{ + int ret; + u32 buf_lo, buf_hi; + u32 ret_payload[PAYLOAD_ARG_CNT]; + u8 flag = 0; + + flush_dcache_range((ulong)buf, (ulong)buf + + ALIGN(bsize, CONFIG_SYS_CACHELINE_SIZE)); + + if (!fpga_sec_info->encflag) + flag |= BIT(ZYNQMP_FPGA_BIT_ENC_DEV_KEY); + + if (fpga_sec_info->userkey_addr && + fpga_sec_info->encflag == FPGA_ENC_USR_KEY) { + flush_dcache_range((ulong)fpga_sec_info->userkey_addr, + (ulong)fpga_sec_info->userkey_addr + + ALIGN(KEY_PTR_LEN, + CONFIG_SYS_CACHELINE_SIZE)); + flag |= BIT(ZYNQMP_FPGA_BIT_ENC_USR_KEY); + } + + if (!fpga_sec_info->authflag) + flag |= BIT(ZYNQMP_FPGA_BIT_AUTH_OCM); + + if (fpga_sec_info->authflag == ZYNQMP_FPGA_AUTH_DDR) + flag |= BIT(ZYNQMP_FPGA_BIT_AUTH_DDR); + + buf_lo = lower_32_bits((ulong)buf); + buf_hi = upper_32_bits((ulong)buf); + + ret = invoke_smc(ZYNQMP_SIP_SVC_PM_FPGA_LOAD, buf_lo, buf_hi, + (u32)(uintptr_t)fpga_sec_info->userkey_addr, + flag, ret_payload); + if (ret) + puts("PL FPGA LOAD fail\n"); + else + puts("Bitstream successfully loaded\n"); + + return ret; +} +#endif + static int zynqmp_pcap_info(xilinx_desc *desc) { int ret; @@ -238,5 +283,8 @@ static int zynqmp_pcap_info(xilinx_desc *desc) struct xilinx_fpga_op zynqmp_op = { .load = zynqmp_load, +#if defined CONFIG_CMD_FPGA_LOAD_SECURE + .loads = zynqmp_loads, +#endif .info = zynqmp_pcap_info, }; |