ctrl.c revision 49cfe4db2ddc4d1b32f2bd4910a5a9d7a0e34ae8
18e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips/* 28e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips * CAAM control-plane driver backend 38e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips * Controller-level driver, kernel property detection, initialization 48e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips * 5281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips * Copyright 2008-2012 Freescale Semiconductor, Inc. 68e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips */ 78e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 88e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips#include "compat.h" 98e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips#include "regs.h" 108e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips#include "intern.h" 118e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips#include "jr.h" 12281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips#include "desc_constr.h" 13281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips#include "error.h" 1482c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu#include "ctrl.h" 158e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 168e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillipsstatic int caam_remove(struct platform_device *pdev) 178e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips{ 188e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips struct device *ctrldev; 198e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips struct caam_drv_private *ctrlpriv; 208e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips struct caam_drv_private_jr *jrpriv; 218e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips struct caam_full __iomem *topregs; 228e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips int ring, ret = 0; 238e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 248e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrldev = &pdev->dev; 258e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv = dev_get_drvdata(ctrldev); 268e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips topregs = (struct caam_full __iomem *)ctrlpriv->ctrl; 278e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 288e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips /* shut down JobRs */ 298e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips for (ring = 0; ring < ctrlpriv->total_jobrs; ring++) { 308e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ret |= caam_jr_shutdown(ctrlpriv->jrdev[ring]); 318e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips jrpriv = dev_get_drvdata(ctrlpriv->jrdev[ring]); 328e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips irq_dispose_mapping(jrpriv->irq); 338e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips } 348e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 358e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips /* Shut down debug views */ 368e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips#ifdef CONFIG_DEBUG_FS 378e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips debugfs_remove_recursive(ctrlpriv->dfs_root); 388e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips#endif 398e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 408e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips /* Unmap controller region */ 418e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips iounmap(&topregs->ctrl); 428e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 438e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips kfree(ctrlpriv->jrdev); 448e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips kfree(ctrlpriv); 458e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 468e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips return ret; 478e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips} 488e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 49281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips/* 50281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips * Descriptor to instantiate RNG State Handle 0 in normal mode and 51281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips * load the JDKEK, TDKEK and TDSK registers 52281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips */ 53281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillipsstatic void build_instantiation_desc(u32 *desc) 54281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips{ 55281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips u32 *jump_cmd; 56281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips 57281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips init_job_desc(desc, 0); 58281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips 59281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips /* INIT RNG in non-test mode */ 60281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips append_operation(desc, OP_TYPE_CLASS1_ALG | OP_ALG_ALGSEL_RNG | 61281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips OP_ALG_AS_INIT); 62281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips 63281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips /* wait for done */ 64281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips jump_cmd = append_jump(desc, JUMP_CLASS_CLASS1); 65281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips set_jump_tgt_here(desc, jump_cmd); 66281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips 67281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips /* 68281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips * load 1 to clear written reg: 69281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips * resets the done interrrupt and returns the RNG to idle. 70281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips */ 71281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips append_load_imm_u32(desc, 1, LDST_SRCDST_WORD_CLRW); 72281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips 73281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips /* generate secure keys (non-test) */ 74281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips append_operation(desc, OP_TYPE_CLASS1_ALG | OP_ALG_ALGSEL_RNG | 75281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips OP_ALG_RNG4_SK); 76281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips} 77281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips 78281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillipsstruct instantiate_result { 79281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips struct completion completion; 80281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips int err; 81281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips}; 82281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips 83281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillipsstatic void rng4_init_done(struct device *dev, u32 *desc, u32 err, 84281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips void *context) 85281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips{ 86281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips struct instantiate_result *instantiation = context; 87281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips 88281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips if (err) { 89281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips char tmp[CAAM_ERROR_STR_MAX]; 90281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips 91281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips dev_err(dev, "%08x: %s\n", err, caam_jr_strstatus(tmp, err)); 92281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips } 93281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips 94281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips instantiation->err = err; 95281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips complete(&instantiation->completion); 96281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips} 97281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips 98281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillipsstatic int instantiate_rng(struct device *jrdev) 99281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips{ 100281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips struct instantiate_result instantiation; 101281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips 102281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips dma_addr_t desc_dma; 103281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips u32 *desc; 104281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips int ret; 105281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips 106281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips desc = kmalloc(CAAM_CMD_SZ * 6, GFP_KERNEL | GFP_DMA); 107281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips if (!desc) { 108281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips dev_err(jrdev, "cannot allocate RNG init descriptor memory\n"); 109281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips return -ENOMEM; 110281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips } 111281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips 112281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips build_instantiation_desc(desc); 113281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips desc_dma = dma_map_single(jrdev, desc, desc_bytes(desc), DMA_TO_DEVICE); 114281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips init_completion(&instantiation.completion); 115281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips ret = caam_jr_enqueue(jrdev, desc, rng4_init_done, &instantiation); 116281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips if (!ret) { 117281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips wait_for_completion_interruptible(&instantiation.completion); 118281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips ret = instantiation.err; 119281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips if (ret) 120281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips dev_err(jrdev, "unable to instantiate RNG\n"); 121281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips } 122281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips 123281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips dma_unmap_single(jrdev, desc_dma, desc_bytes(desc), DMA_TO_DEVICE); 124281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips 125281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips kfree(desc); 126281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips 127281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips return ret; 128281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips} 129281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips 130281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips/* 131281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips * By default, the TRNG runs for 200 clocks per sample; 132a5bbf6fa79abe0cb64aaebc3455f9ba779d6a36fKim Phillips * 1600 clocks per sample generates better entropy. 133281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips */ 134281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillipsstatic void kick_trng(struct platform_device *pdev) 135281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips{ 136281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips struct device *ctrldev = &pdev->dev; 137281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips struct caam_drv_private *ctrlpriv = dev_get_drvdata(ctrldev); 138281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips struct caam_full __iomem *topregs; 139281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips struct rng4tst __iomem *r4tst; 140281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips u32 val; 141281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips 142281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips topregs = (struct caam_full __iomem *)ctrlpriv->ctrl; 143281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips r4tst = &topregs->ctrl.r4tst[0]; 144281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips 145281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips /* put RNG4 into program mode */ 146281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips setbits32(&r4tst->rtmctl, RTMCTL_PRGM); 147a5bbf6fa79abe0cb64aaebc3455f9ba779d6a36fKim Phillips /* 1600 clocks per sample */ 148281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips val = rd_reg32(&r4tst->rtsdctl); 149a5bbf6fa79abe0cb64aaebc3455f9ba779d6a36fKim Phillips val = (val & ~RTSDCTL_ENT_DLY_MASK) | (1600 << RTSDCTL_ENT_DLY_SHIFT); 150281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips wr_reg32(&r4tst->rtsdctl, val); 151281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips /* min. freq. count */ 152281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips wr_reg32(&r4tst->rtfrqmin, 400); 153281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips /* max. freq. count */ 154281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips wr_reg32(&r4tst->rtfrqmax, 6400); 155281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips /* put RNG4 into run mode */ 156281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips clrbits32(&r4tst->rtmctl, RTMCTL_PRGM); 157281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips} 158281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips 15982c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu/** 16082c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu * caam_get_era() - Return the ERA of the SEC on SoC, based 16182c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu * on the SEC_VID register. 16282c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu * Returns the ERA number (1..4) or -ENOTSUPP if the ERA is unknown. 16382c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu * @caam_id - the value of the SEC_VID register 16482c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu **/ 16582c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanuint caam_get_era(u64 caam_id) 16682c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu{ 16782c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu struct sec_vid *sec_vid = (struct sec_vid *)&caam_id; 16882c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu static const struct { 16982c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu u16 ip_id; 17082c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu u8 maj_rev; 17182c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu u8 era; 17282c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu } caam_eras[] = { 17382c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu {0x0A10, 1, 1}, 17482c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu {0x0A10, 2, 2}, 17582c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu {0x0A12, 1, 3}, 17682c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu {0x0A14, 1, 3}, 17782c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu {0x0A14, 2, 4}, 17882c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu {0x0A16, 1, 4}, 17982c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu {0x0A11, 1, 4} 18082c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu }; 18182c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu int i; 18282c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu 18382c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu for (i = 0; i < ARRAY_SIZE(caam_eras); i++) 18482c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu if (caam_eras[i].ip_id == sec_vid->ip_id && 18582c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu caam_eras[i].maj_rev == sec_vid->maj_rev) 18682c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu return caam_eras[i].era; 18782c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu 18882c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu return -ENOTSUPP; 18982c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu} 19082c2f9607b8a4667e9d89613478748f4e2b7288bAlex PorosanuEXPORT_SYMBOL(caam_get_era); 19182c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu 1928e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips/* Probe routine for CAAM top (controller) level */ 1932930d49768e5276da4fbed9d9cc1bd40ed25818eKim Phillipsstatic int caam_probe(struct platform_device *pdev) 1948e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips{ 195281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips int ret, ring, rspec; 19682c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu u64 caam_id; 1978e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips struct device *dev; 1988e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips struct device_node *nprop, *np; 1998e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips struct caam_ctrl __iomem *ctrl; 2008e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips struct caam_full __iomem *topregs; 2018e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips struct caam_drv_private *ctrlpriv; 20223457bc9566be64f33afdc159aadd42712673e0bKim Phillips#ifdef CONFIG_DEBUG_FS 20323457bc9566be64f33afdc159aadd42712673e0bKim Phillips struct caam_perfmon *perfmon; 20423457bc9566be64f33afdc159aadd42712673e0bKim Phillips#endif 2058e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 2068e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv = kzalloc(sizeof(struct caam_drv_private), GFP_KERNEL); 2078e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips if (!ctrlpriv) 2088e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips return -ENOMEM; 2098e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 2108e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips dev = &pdev->dev; 2118e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips dev_set_drvdata(dev, ctrlpriv); 2128e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->pdev = pdev; 2138e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips nprop = pdev->dev.of_node; 2148e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 2158e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips /* Get configuration properties from device tree */ 2168e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips /* First, get register page */ 2178e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrl = of_iomap(nprop, 0); 2188e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips if (ctrl == NULL) { 2198e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips dev_err(dev, "caam: of_iomap() failed\n"); 2208e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips return -ENOMEM; 2218e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips } 2228e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctrl = (struct caam_ctrl __force *)ctrl; 2238e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 2248e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips /* topregs used to derive pointers to CAAM sub-blocks only */ 2258e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips topregs = (struct caam_full __iomem *)ctrl; 2268e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 2278e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips /* Get the IRQ of the controller (for security violations only) */ 2288e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->secvio_irq = of_irq_to_resource(nprop, 0, NULL); 2298e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 2308e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips /* 2318e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips * Enable DECO watchdogs and, if this is a PHYS_ADDR_T_64BIT kernel, 232e13af18a3e33259e264c7fb47b54fbf608137976Kim Phillips * long pointers in master configuration register 2338e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips */ 2348e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips setbits32(&topregs->ctrl.mcr, MCFGR_WDENABLE | 2358e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips (sizeof(dma_addr_t) == sizeof(u64) ? MCFGR_LONG_PTR : 0)); 2368e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 2378e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips if (sizeof(dma_addr_t) == sizeof(u64)) 238e13af18a3e33259e264c7fb47b54fbf608137976Kim Phillips if (of_device_is_compatible(nprop, "fsl,sec-v5.0")) 239e13af18a3e33259e264c7fb47b54fbf608137976Kim Phillips dma_set_mask(dev, DMA_BIT_MASK(40)); 240e13af18a3e33259e264c7fb47b54fbf608137976Kim Phillips else 241e13af18a3e33259e264c7fb47b54fbf608137976Kim Phillips dma_set_mask(dev, DMA_BIT_MASK(36)); 242e13af18a3e33259e264c7fb47b54fbf608137976Kim Phillips else 243e13af18a3e33259e264c7fb47b54fbf608137976Kim Phillips dma_set_mask(dev, DMA_BIT_MASK(32)); 2448e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 2458e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips /* 2468e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips * Detect and enable JobRs 2478e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips * First, find out how many ring spec'ed, allocate references 2488e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips * for all, then go probe each one. 2498e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips */ 2508e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips rspec = 0; 25154e198d4c162b36ba864ecc658c829454074523fKim Phillips for_each_compatible_node(np, NULL, "fsl,sec-v4.0-job-ring") 2528e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips rspec++; 253a0ea0f6d17a6f14319069b039b7a9ebf54009678Shengzhou Liu if (!rspec) { 254a0ea0f6d17a6f14319069b039b7a9ebf54009678Shengzhou Liu /* for backward compatible with device trees */ 255a0ea0f6d17a6f14319069b039b7a9ebf54009678Shengzhou Liu for_each_compatible_node(np, NULL, "fsl,sec4.0-job-ring") 256a0ea0f6d17a6f14319069b039b7a9ebf54009678Shengzhou Liu rspec++; 257a0ea0f6d17a6f14319069b039b7a9ebf54009678Shengzhou Liu } 258a0ea0f6d17a6f14319069b039b7a9ebf54009678Shengzhou Liu 2598e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->jrdev = kzalloc(sizeof(struct device *) * rspec, GFP_KERNEL); 2608e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips if (ctrlpriv->jrdev == NULL) { 2618e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips iounmap(&topregs->ctrl); 2628e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips return -ENOMEM; 2638e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips } 2648e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 2658e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ring = 0; 2668e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->total_jobrs = 0; 26754e198d4c162b36ba864ecc658c829454074523fKim Phillips for_each_compatible_node(np, NULL, "fsl,sec-v4.0-job-ring") { 2688e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips caam_jr_probe(pdev, np, ring); 2698e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->total_jobrs++; 2708e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ring++; 2718e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips } 272a0ea0f6d17a6f14319069b039b7a9ebf54009678Shengzhou Liu if (!ring) { 273a0ea0f6d17a6f14319069b039b7a9ebf54009678Shengzhou Liu for_each_compatible_node(np, NULL, "fsl,sec4.0-job-ring") { 274a0ea0f6d17a6f14319069b039b7a9ebf54009678Shengzhou Liu caam_jr_probe(pdev, np, ring); 275a0ea0f6d17a6f14319069b039b7a9ebf54009678Shengzhou Liu ctrlpriv->total_jobrs++; 276a0ea0f6d17a6f14319069b039b7a9ebf54009678Shengzhou Liu ring++; 277a0ea0f6d17a6f14319069b039b7a9ebf54009678Shengzhou Liu } 278a0ea0f6d17a6f14319069b039b7a9ebf54009678Shengzhou Liu } 2798e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 2808e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips /* Check to see if QI present. If so, enable */ 2818e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->qi_present = !!(rd_reg64(&topregs->ctrl.perfmon.comp_parms) & 2828e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips CTPR_QI_MASK); 2838e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips if (ctrlpriv->qi_present) { 2848e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->qi = (struct caam_queue_if __force *)&topregs->qi; 2858e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips /* This is all that's required to physically enable QI */ 2868e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips wr_reg32(&topregs->qi.qi_control_lo, QICTL_DQEN); 2878e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips } 2888e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 2898e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips /* If no QI and no rings specified, quit and go home */ 2908e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips if ((!ctrlpriv->qi_present) && (!ctrlpriv->total_jobrs)) { 2918e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips dev_err(dev, "no queues configured, terminating\n"); 2928e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips caam_remove(pdev); 2938e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips return -ENOMEM; 2948e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips } 2958e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 296281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips /* 297281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips * RNG4 based SECs (v5+) need special initialization prior 298281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips * to executing any descriptors 299281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips */ 300281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips if (of_device_is_compatible(nprop, "fsl,sec-v5.0")) { 301281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips kick_trng(pdev); 302281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips ret = instantiate_rng(ctrlpriv->jrdev[0]); 303281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips if (ret) { 304281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips caam_remove(pdev); 305281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips return ret; 306281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips } 307281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips } 308281922a1d4f59bdebbe78c1d9f4c50a967eb6cffKim Phillips 3098e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips /* NOTE: RTIC detection ought to go here, around Si time */ 3108e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 3118e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips /* Initialize queue allocator lock */ 3128e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips spin_lock_init(&ctrlpriv->jr_alloc_lock); 3138e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 31482c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu caam_id = rd_reg64(&topregs->ctrl.perfmon.caam_id); 31582c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu 3168e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips /* Report "alive" for developer to see */ 31782c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu dev_info(dev, "device ID = 0x%016llx (Era %d)\n", caam_id, 31882c2f9607b8a4667e9d89613478748f4e2b7288bAlex Porosanu caam_get_era(caam_id)); 3198e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips dev_info(dev, "job rings = %d, qi = %d\n", 3208e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->total_jobrs, ctrlpriv->qi_present); 3218e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 3228e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips#ifdef CONFIG_DEBUG_FS 3238e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips /* 3248e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips * FIXME: needs better naming distinction, as some amalgamation of 3258e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips * "caam" and nprop->full_name. The OF name isn't distinctive, 3268e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips * but does separate instances 3278e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips */ 3288e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips perfmon = (struct caam_perfmon __force *)&ctrl->perfmon; 3298e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 3308e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->dfs_root = debugfs_create_dir("caam", NULL); 3318e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl = debugfs_create_dir("ctl", ctrlpriv->dfs_root); 3328e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 3338e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips /* Controller-level - performance monitor counters */ 3348e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl_rq_dequeued = 3358e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips debugfs_create_u64("rq_dequeued", 336eda65cc6ce2a45dc01c233e301e59cd7a0f763adAl Viro S_IRUSR | S_IRGRP | S_IROTH, 3378e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl, &perfmon->req_dequeued); 3388e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl_ob_enc_req = 3398e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips debugfs_create_u64("ob_rq_encrypted", 340eda65cc6ce2a45dc01c233e301e59cd7a0f763adAl Viro S_IRUSR | S_IRGRP | S_IROTH, 3418e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl, &perfmon->ob_enc_req); 3428e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl_ib_dec_req = 3438e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips debugfs_create_u64("ib_rq_decrypted", 344eda65cc6ce2a45dc01c233e301e59cd7a0f763adAl Viro S_IRUSR | S_IRGRP | S_IROTH, 3458e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl, &perfmon->ib_dec_req); 3468e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl_ob_enc_bytes = 3478e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips debugfs_create_u64("ob_bytes_encrypted", 348eda65cc6ce2a45dc01c233e301e59cd7a0f763adAl Viro S_IRUSR | S_IRGRP | S_IROTH, 3498e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl, &perfmon->ob_enc_bytes); 3508e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl_ob_prot_bytes = 3518e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips debugfs_create_u64("ob_bytes_protected", 352eda65cc6ce2a45dc01c233e301e59cd7a0f763adAl Viro S_IRUSR | S_IRGRP | S_IROTH, 3538e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl, &perfmon->ob_prot_bytes); 3548e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl_ib_dec_bytes = 3558e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips debugfs_create_u64("ib_bytes_decrypted", 356eda65cc6ce2a45dc01c233e301e59cd7a0f763adAl Viro S_IRUSR | S_IRGRP | S_IROTH, 3578e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl, &perfmon->ib_dec_bytes); 3588e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl_ib_valid_bytes = 3598e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips debugfs_create_u64("ib_bytes_validated", 360eda65cc6ce2a45dc01c233e301e59cd7a0f763adAl Viro S_IRUSR | S_IRGRP | S_IROTH, 3618e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl, &perfmon->ib_valid_bytes); 3628e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 3638e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips /* Controller level - global status values */ 3648e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl_faultaddr = 3658e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips debugfs_create_u64("fault_addr", 366eda65cc6ce2a45dc01c233e301e59cd7a0f763adAl Viro S_IRUSR | S_IRGRP | S_IROTH, 3678e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl, &perfmon->faultaddr); 3688e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl_faultdetail = 3698e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips debugfs_create_u32("fault_detail", 370eda65cc6ce2a45dc01c233e301e59cd7a0f763adAl Viro S_IRUSR | S_IRGRP | S_IROTH, 3718e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl, &perfmon->faultdetail); 3728e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl_faultstatus = 3738e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips debugfs_create_u32("fault_status", 374eda65cc6ce2a45dc01c233e301e59cd7a0f763adAl Viro S_IRUSR | S_IRGRP | S_IROTH, 3758e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl, &perfmon->status); 3768e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 3778e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips /* Internal covering keys (useful in non-secure mode only) */ 3788e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl_kek_wrap.data = &ctrlpriv->ctrl->kek[0]; 3798e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl_kek_wrap.size = KEK_KEY_SIZE * sizeof(u32); 3808e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl_kek = debugfs_create_blob("kek", 381eda65cc6ce2a45dc01c233e301e59cd7a0f763adAl Viro S_IRUSR | 3828e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips S_IRGRP | S_IROTH, 3838e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl, 3848e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips &ctrlpriv->ctl_kek_wrap); 3858e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 3868e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl_tkek_wrap.data = &ctrlpriv->ctrl->tkek[0]; 3878e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl_tkek_wrap.size = KEK_KEY_SIZE * sizeof(u32); 3888e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl_tkek = debugfs_create_blob("tkek", 389eda65cc6ce2a45dc01c233e301e59cd7a0f763adAl Viro S_IRUSR | 3908e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips S_IRGRP | S_IROTH, 3918e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl, 3928e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips &ctrlpriv->ctl_tkek_wrap); 3938e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 3948e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl_tdsk_wrap.data = &ctrlpriv->ctrl->tdsk[0]; 3958e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl_tdsk_wrap.size = KEK_KEY_SIZE * sizeof(u32); 3968e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl_tdsk = debugfs_create_blob("tdsk", 397eda65cc6ce2a45dc01c233e301e59cd7a0f763adAl Viro S_IRUSR | 3988e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips S_IRGRP | S_IROTH, 3998e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips ctrlpriv->ctl, 4008e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips &ctrlpriv->ctl_tdsk_wrap); 4018e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips#endif 4028e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips return 0; 4038e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips} 4048e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 4058e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillipsstatic struct of_device_id caam_match[] = { 4068e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips { 40754e198d4c162b36ba864ecc658c829454074523fKim Phillips .compatible = "fsl,sec-v4.0", 4088e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips }, 409a0ea0f6d17a6f14319069b039b7a9ebf54009678Shengzhou Liu { 410a0ea0f6d17a6f14319069b039b7a9ebf54009678Shengzhou Liu .compatible = "fsl,sec4.0", 411a0ea0f6d17a6f14319069b039b7a9ebf54009678Shengzhou Liu }, 4128e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips {}, 4138e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips}; 4148e8ec596e6c0144e2dd500a57ee23dde9684df46Kim PhillipsMODULE_DEVICE_TABLE(of, caam_match); 4158e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 4162930d49768e5276da4fbed9d9cc1bd40ed25818eKim Phillipsstatic struct platform_driver caam_driver = { 4178e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips .driver = { 4188e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips .name = "caam", 4198e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips .owner = THIS_MODULE, 4208e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips .of_match_table = caam_match, 4218e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips }, 4228e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips .probe = caam_probe, 42349cfe4db2ddc4d1b32f2bd4910a5a9d7a0e34ae8Greg Kroah-Hartman .remove = caam_remove, 4248e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips}; 4258e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 426741e8c2d8177eca656bc015ef83ab84d817edf8cAxel Linmodule_platform_driver(caam_driver); 4278e8ec596e6c0144e2dd500a57ee23dde9684df46Kim Phillips 4288e8ec596e6c0144e2dd500a57ee23dde9684df46Kim PhillipsMODULE_LICENSE("GPL"); 4298e8ec596e6c0144e2dd500a57ee23dde9684df46Kim PhillipsMODULE_DESCRIPTION("FSL CAAM request backend"); 4308e8ec596e6c0144e2dd500a57ee23dde9684df46Kim PhillipsMODULE_AUTHOR("Freescale Semiconductor - NMG/STC"); 431