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zynqmp: Add new API for processing secure images 

This patch adds new API for processing secure images. This API
is used for authentication and decryption of secure images using
xilsecure in pmufw.

Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
This commit is contained in:
Siva Durga Prasad Paladugu 2018-04-30 20:06:58 +05:30
parent 7dae6137ef
commit 5479fa704b
4 changed files with 30 additions and 0 deletions
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14
plat/xilinx/zynqmp/pm_service/pm_api_sys.c
View File

@ -1152,3 +1152,17 @@ enum pm_ret_status pm_rsa_core(uint32_t address_high,
size, flags);
return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
}
enum pm_ret_status pm_secure_image(uint32_t address_low,
uint32_t address_high,
uint32_t key_lo,
uint32_t key_hi,
uint32_t *value)
{
uint32_t payload[PAYLOAD_ARG_CNT];
/* Send request to the PMU */
PM_PACK_PAYLOAD5(payload, PM_SECURE_IMAGE, address_high, address_low,
key_hi, key_lo);
return pm_ipi_send_sync(primary_proc, payload, value, 2);
}

5
plat/xilinx/zynqmp/pm_service/pm_api_sys.h
View File

@ -160,4 +160,9 @@ enum pm_ret_status pm_rsa_core(uint32_t address_high,
uint32_t address_low,
uint32_t size,
uint32_t flags);
enum pm_ret_status pm_secure_image(uint32_t address_low,
uint32_t address_high,
uint32_t key_lo,
uint32_t key_hi,
uint32_t *value);
#endif /* _PM_API_SYS_H_ */

1
plat/xilinx/zynqmp/pm_service/pm_defs.h
View File

@ -88,6 +88,7 @@ enum pm_api_id {
PM_CLOCK_GETRATE,
PM_CLOCK_SETPARENT,
PM_CLOCK_GETPARENT,
PM_SECURE_IMAGE,
PM_API_MAX
};

10
plat/xilinx/zynqmp/pm_service/pm_svc_main.c
View File

@ -381,6 +381,16 @@ uint64_t pm_smc_handler(uint32_t smc_fid, uint64_t x1, uint64_t x2, uint64_t x3,
pm_arg[3]);
SMC_RET1(handle, (uint64_t)ret);
case PM_SECURE_IMAGE:
{
uint32_t result[2];
ret = pm_secure_image(pm_arg[0], pm_arg[1], pm_arg[2],
pm_arg[3], &result[0]);
SMC_RET2(handle, (uint64_t)ret | ((uint64_t)result[0] << 32),
result[1]);
}
default:
WARN("Unimplemented PM Service Call: 0x%x\n", smc_fid);
SMC_RET1(handle, SMC_UNK);