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@ -6,6 +6,8 @@ |
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/* Top level SMC handler for SiP calls. Dispatch PM calls to PM SMC handler. */ |
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#include <inttypes.h> |
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#include <common/runtime_svc.h> |
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#include <tools_share/uuid.h> |
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@ -23,14 +25,14 @@ |
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#define SIP_SVC_VERSION_MINOR 1 |
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/* These macros are used to identify PM, IPI calls from the SMC function ID */ |
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#define PM_FID_MASK 0xf000u |
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#define SIP_FID_MASK GENMASK(23, 16) |
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#define XLNX_FID_MASK GENMASK(23, 12) |
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#define PM_FID_VALUE 0u |
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#define IPI_FID_VALUE 0x1000u |
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#define EM_FID_MASK 0xf0000u |
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#define EM_FID_VALUE 0xE0000u |
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#define is_em_fid(_fid) (((_fid) & EM_FID_MASK) == EM_FID_VALUE) |
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#define is_pm_fid(_fid) (((_fid) & PM_FID_MASK) == PM_FID_VALUE) |
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#define is_ipi_fid(_fid) (((_fid) & PM_FID_MASK) == IPI_FID_VALUE) |
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#define is_em_fid(_fid) (((_fid) & XLNX_FID_MASK) == EM_FID_VALUE) |
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#define is_pm_fid(_fid) (((_fid) & XLNX_FID_MASK) == PM_FID_VALUE) |
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#define is_ipi_fid(_fid) (((_fid) & XLNX_FID_MASK) == IPI_FID_VALUE) |
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/* SiP Service UUID */ |
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DEFINE_SVC_UUID2(zynqmp_sip_uuid, |
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@ -63,12 +65,22 @@ static uintptr_t sip_svc_smc_handler(uint32_t smc_fid, |
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void *handle, |
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u_register_t flags) |
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{ |
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VERBOSE("SMCID: 0x%08x, x1: 0x%016" PRIx64 ", x2: 0x%016" PRIx64 ", x3: 0x%016" PRIx64 ", x4: 0x%016" PRIx64 "\n", |
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smc_fid, x1, x2, x3, x4); |
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/* Let EM SMC handler deal with EM-related requests */ |
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if (is_em_fid(smc_fid)) { |
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return em_smc_handler(smc_fid, x1, x2, x3, x4, cookie, handle, |
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flags); |
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} else if (is_pm_fid(smc_fid)) { |
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} |
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if (smc_fid & SIP_FID_MASK) { |
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WARN("SMC out of SiP assinged range: 0x%x\n", smc_fid); |
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SMC_RET1(handle, SMC_UNK); |
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} |
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/* Let PM SMC handler deal with PM-related requests */ |
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if (is_pm_fid(smc_fid)) { |
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return pm_smc_handler(smc_fid, x1, x2, x3, x4, cookie, handle, |
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flags); |
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} |
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