1 files changed, 160 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/crypto/fsl/fsl_mfgprot.c b/roms/u-boot/drivers/crypto/fsl/fsl_mfgprot.c
new file mode 100644
index 000000000..29af79f57
--- /dev/null
+++ b/roms/u-boot/drivers/crypto/fsl/fsl_mfgprot.c
@@ -0,0 +1,160 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2014-2016 Freescale Semiconductor, Inc.
+ * Copyright 2017 NXP
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <fsl_sec.h>
+#include <memalign.h>
+#include "desc.h"
+#include "desc_constr.h"
+#include "jobdesc.h"
+#include "jr.h"
+
+/* Size of MFG descriptor */
+#define MFG_PUBK_DSC_WORDS 4
+#define MFG_SIGN_DSC_WORDS 8
+
+static void mfg_build_sign_dsc(u32 *dsc_ptr, const u8 *m, int size,
+			       u8 *dgst, u8 *c, u8 *d)
+{
+	u32 *dsc = dsc_ptr;
+	struct pdb_mp_sign *pdb;
+
+	init_job_desc_pdb(dsc, 0, sizeof(struct pdb_mp_sign));
+
+	pdb = (struct pdb_mp_sign *)desc_pdb(dsc);
+
+	/* Curve */
+	pdb->pdb_hdr = (PDB_MP_CSEL_P256);
+
+	/* Message Pointer */
+	pdb_add_ptr(&pdb->dma_addr_msg, virt_to_phys((void *)m));
+
+	/* mes-resp Pointer */
+	pdb_add_ptr(&pdb->dma_addr_hash, virt_to_phys((void *)dgst));
+
+	/* C Pointer */
+	pdb_add_ptr(&pdb->dma_addr_c_sig, virt_to_phys((void *)c));
+
+	/* d Pointer */
+	pdb_add_ptr(&pdb->dma_addr_d_sig, virt_to_phys((void *)d));
+
+	/* Message Size */
+	pdb->img_size = size;
+
+	/* MP PubK generate key command */
+	append_cmd(dsc, (CMD_OPERATION | OP_TYPE_DECAP_PROTOCOL |
+			 OP_PCLID_MP_SIGN));
+}
+
+static void mfg_build_pubk_dsc(u32 *dsc_ptr, u8 *dst)
+{
+	u32 *dsc = dsc_ptr;
+	struct pdb_mp_pub_k *pdb;
+
+	init_job_desc_pdb(dsc, 0, sizeof(struct pdb_mp_pub_k));
+
+	pdb = (struct pdb_mp_pub_k *)desc_pdb(dsc);
+
+	/* Curve */
+	pdb->pdb_hdr = (PDB_MP_CSEL_P256);
+
+	/* Message Pointer */
+	pdb_add_ptr(&pdb->dma_pkey, virt_to_phys((void *)dst));
+
+	/* MP Sign key command */
+	append_cmd(dsc, (CMD_OPERATION | OP_TYPE_DECAP_PROTOCOL |
+			 OP_PCLID_MP_PUB_KEY));
+}
+
+int gen_mppubk(u8 *dst)
+{
+	int size, ret;
+	u32 *dsc;
+
+	/* Job Descriptor initialization */
+	dsc = memalign(ARCH_DMA_MINALIGN,
+		       sizeof(uint32_t) * MFG_PUBK_DSC_WORDS);
+	if (!dsc) {
+		debug("Not enough memory for descriptor allocation\n");
+		return -ENOMEM;
+	}
+
+	mfg_build_pubk_dsc(dsc, dst);
+
+	size = roundup(sizeof(uint32_t) * MFG_PUBK_DSC_WORDS,
+		       ARCH_DMA_MINALIGN);
+	flush_dcache_range((unsigned long)dsc, (unsigned long)dsc + size);
+
+	size = roundup(FSL_CAAM_MP_PUBK_BYTES, ARCH_DMA_MINALIGN);
+	flush_dcache_range((unsigned long)dst, (unsigned long)dst + size);
+
+	/* Execute Job Descriptor */
+	puts("\nGenerating Manufacturing Protection Public Key\n");
+
+	ret = run_descriptor_jr(dsc);
+	if (ret) {
+		debug("Error in public key generation %d\n", ret);
+		goto err;
+	}
+
+	size = roundup(FSL_CAAM_MP_PUBK_BYTES, ARCH_DMA_MINALIGN);
+	invalidate_dcache_range((unsigned long)dst, (unsigned long)dst + size);
+err:
+	free(dsc);
+	return ret;
+}
+
+int sign_mppubk(const u8 *m, int data_size, u8 *dgst, u8 *c, u8 *d)
+{
+	int size, ret;
+	u32 *dsc;
+
+	/* Job Descriptor initialization */
+	dsc = memalign(ARCH_DMA_MINALIGN,
+		       sizeof(uint32_t) * MFG_SIGN_DSC_WORDS);
+	if (!dsc) {
+		debug("Not enough memory for descriptor allocation\n");
+		return -ENOMEM;
+	}
+
+	mfg_build_sign_dsc(dsc, m, data_size, dgst, c, d);
+
+	size = roundup(sizeof(uint32_t) * MFG_SIGN_DSC_WORDS,
+		       ARCH_DMA_MINALIGN);
+	flush_dcache_range((unsigned long)dsc, (unsigned long)dsc + size);
+
+	size = roundup(data_size, ARCH_DMA_MINALIGN);
+	flush_dcache_range((unsigned long)m, (unsigned long)m + size);
+
+	size = roundup(FSL_CAAM_MP_MES_DGST_BYTES, ARCH_DMA_MINALIGN);
+	flush_dcache_range((unsigned long)dgst, (unsigned long)dgst + size);
+
+	size = roundup(FSL_CAAM_MP_PRVK_BYTES, ARCH_DMA_MINALIGN);
+	flush_dcache_range((unsigned long)c, (unsigned long)c + size);
+	flush_dcache_range((unsigned long)d, (unsigned long)d + size);
+
+	/* Execute Job Descriptor */
+	puts("\nSigning message with Manufacturing Protection Private Key\n");
+
+	ret = run_descriptor_jr(dsc);
+	if (ret) {
+		debug("Error in public key generation %d\n", ret);
+		goto err;
+	}
+
+	size = roundup(FSL_CAAM_MP_MES_DGST_BYTES, ARCH_DMA_MINALIGN);
+	invalidate_dcache_range((unsigned long)dgst,
+				(unsigned long)dgst + size);
+
+	size = roundup(FSL_CAAM_MP_PRVK_BYTES, ARCH_DMA_MINALIGN);
+	invalidate_dcache_range((unsigned long)c, (unsigned long)c + size);
+	invalidate_dcache_range((unsigned long)d, (unsigned long)d + size);
+
+err:
+	free(dsc);
+	return ret;
+}