crypto/ccp/ccp-dev-v3.c

74 static int ccp_do_cmd(struct ccp_op *op, u32 *cr, unsigned int cr_count)
107 		iowrite32(*(cr + i), cr_addr);
150 	u32 cr[6];
153 	cr[0] = (CCP_ENGINE_AES << REQ1_ENGINE_SHIFT)
158 	cr[1] = op->src.u.dma.length - 1;
159 	cr[2] = ccp_addr_lo(&op->src.u.dma);
160 	cr[3] = (op->sb_ctx << REQ4_KSB_SHIFT)
163 	cr[4] = ccp_addr_lo(&op->dst.u.dma);
164 	cr[5] = (CCP_MEMTYPE_SYSTEM << REQ6_MEMTYPE_SHIFT)
168 		cr[0] |= ((0x7f) << REQ1_AES_CFB_SIZE_SHIFT);
171 		cr[0] |= REQ1_EOM;
174 		cr[0] |= REQ1_INIT;
176 	return ccp_do_cmd(op, cr, ARRAY_SIZE(cr));
181 	u32 cr[6];
184 	cr[0] = (CCP_ENGINE_XTS_AES_128 << REQ1_ENGINE_SHIFT)
188 	cr[1] = op->src.u.dma.length - 1;
189 	cr[2] = ccp_addr_lo(&op->src.u.dma);
190 	cr[3] = (op->sb_ctx << REQ4_KSB_SHIFT)
193 	cr[4] = ccp_addr_lo(&op->dst.u.dma);
194 	cr[5] = (CCP_MEMTYPE_SYSTEM << REQ6_MEMTYPE_SHIFT)
198 		cr[0] |= REQ1_EOM;
201 		cr[0] |= REQ1_INIT;
203 	return ccp_do_cmd(op, cr, ARRAY_SIZE(cr));
208 	u32 cr[6];
211 	cr[0] = (CCP_ENGINE_SHA << REQ1_ENGINE_SHIFT)
214 	cr[1] = op->src.u.dma.length - 1;
215 	cr[2] = ccp_addr_lo(&op->src.u.dma);
216 	cr[3] = (op->sb_ctx << REQ4_KSB_SHIFT)
221 		cr[0] |= REQ1_EOM;
222 		cr[4] = lower_32_bits(op->u.sha.msg_bits);
223 		cr[5] = upper_32_bits(op->u.sha.msg_bits);
225 		cr[4] = 0;
226 		cr[5] = 0;
229 	return ccp_do_cmd(op, cr, ARRAY_SIZE(cr));
234 	u32 cr[6];
237 	cr[0] = (CCP_ENGINE_RSA << REQ1_ENGINE_SHIFT)
241 	cr[1] = op->u.rsa.input_len - 1;
242 	cr[2] = ccp_addr_lo(&op->src.u.dma);
243 	cr[3] = (op->sb_ctx << REQ4_KSB_SHIFT)
246 	cr[4] = ccp_addr_lo(&op->dst.u.dma);
247 	cr[5] = (CCP_MEMTYPE_SYSTEM << REQ6_MEMTYPE_SHIFT)
250 	return ccp_do_cmd(op, cr, ARRAY_SIZE(cr));
255 	u32 cr[6];
258 	cr[0] = (CCP_ENGINE_PASSTHRU << REQ1_ENGINE_SHIFT)
263 		cr[1] = op->src.u.dma.length - 1;
265 		cr[1] = op->dst.u.dma.length - 1;
268 		cr[2] = ccp_addr_lo(&op->src.u.dma);
269 		cr[3] = (CCP_MEMTYPE_SYSTEM << REQ4_MEMTYPE_SHIFT)
273 			cr[3] |= (op->sb_key << REQ4_KSB_SHIFT);
275 		cr[2] = op->src.u.sb * CCP_SB_BYTES;
276 		cr[3] = (CCP_MEMTYPE_SB << REQ4_MEMTYPE_SHIFT);
280 		cr[4] = ccp_addr_lo(&op->dst.u.dma);
281 		cr[5] = (CCP_MEMTYPE_SYSTEM << REQ6_MEMTYPE_SHIFT)
284 		cr[4] = op->dst.u.sb * CCP_SB_BYTES;
285 		cr[5] = (CCP_MEMTYPE_SB << REQ6_MEMTYPE_SHIFT);
289 		cr[0] |= REQ1_EOM;
291 	return ccp_do_cmd(op, cr, ARRAY_SIZE(cr));
296 	u32 cr[6];
299 	cr[0] = REQ1_ECC_AFFINE_CONVERT
303 	cr[1] = op->src.u.dma.length - 1;
304 	cr[2] = ccp_addr_lo(&op->src.u.dma);
305 	cr[3] = (CCP_MEMTYPE_SYSTEM << REQ4_MEMTYPE_SHIFT)
307 	cr[4] = ccp_addr_lo(&op->dst.u.dma);
308 	cr[5] = (CCP_MEMTYPE_SYSTEM << REQ6_MEMTYPE_SHIFT)
311 	return ccp_do_cmd(op, cr, ARRAY_SIZE(cr));