diff options
Diffstat (limited to 'drivers/crypto/ccree/cc_debugfs.c')
| -rw-r--r-- | drivers/crypto/ccree/cc_debugfs.c | 44 |
1 files changed, 37 insertions, 7 deletions
diff --git a/drivers/crypto/ccree/cc_debugfs.c b/drivers/crypto/ccree/cc_debugfs.c index 5fa05a7bcf36..566999738698 100644 --- a/drivers/crypto/ccree/cc_debugfs.c +++ b/drivers/crypto/ccree/cc_debugfs.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited or its affiliates. */ #include <linux/kernel.h> #include <linux/debugfs.h> @@ -25,9 +25,24 @@ struct cc_debugfs_ctx { */ static struct dentry *cc_debugfs_dir; -static struct debugfs_reg32 debug_regs[] = { +static struct debugfs_reg32 ver_sig_regs[] = { { .name = "SIGNATURE" }, /* Must be 0th */ { .name = "VERSION" }, /* Must be 1st */ +}; + +static struct debugfs_reg32 pid_cid_regs[] = { + CC_DEBUG_REG(PERIPHERAL_ID_0), + CC_DEBUG_REG(PERIPHERAL_ID_1), + CC_DEBUG_REG(PERIPHERAL_ID_2), + CC_DEBUG_REG(PERIPHERAL_ID_3), + CC_DEBUG_REG(PERIPHERAL_ID_4), + CC_DEBUG_REG(COMPONENT_ID_0), + CC_DEBUG_REG(COMPONENT_ID_1), + CC_DEBUG_REG(COMPONENT_ID_2), + CC_DEBUG_REG(COMPONENT_ID_3), +}; + +static struct debugfs_reg32 debug_regs[] = { CC_DEBUG_REG(HOST_IRR), CC_DEBUG_REG(HOST_POWER_DOWN_EN), CC_DEBUG_REG(AXIM_MON_ERR), @@ -53,10 +68,7 @@ int cc_debugfs_init(struct cc_drvdata *drvdata) { struct device *dev = drvdata_to_dev(drvdata); struct cc_debugfs_ctx *ctx; - struct debugfs_regset32 *regset; - - debug_regs[0].offset = drvdata->sig_offset; - debug_regs[1].offset = drvdata->ver_offset; + struct debugfs_regset32 *regset, *verset; ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); if (!ctx) @@ -75,8 +87,26 @@ int cc_debugfs_init(struct cc_drvdata *drvdata) debugfs_create_regset32("regs", 0400, ctx->dir, regset); debugfs_create_bool("coherent", 0400, ctx->dir, &drvdata->coherent); - drvdata->debugfs = ctx; + verset = devm_kzalloc(dev, sizeof(*verset), GFP_KERNEL); + /* Failing here is not important enough to fail the module load */ + if (!verset) + goto out; + + if (drvdata->hw_rev <= CC_HW_REV_712) { + ver_sig_regs[0].offset = drvdata->sig_offset; + ver_sig_regs[1].offset = drvdata->ver_offset; + verset->regs = ver_sig_regs; + verset->nregs = ARRAY_SIZE(ver_sig_regs); + } else { + verset->regs = pid_cid_regs; + verset->nregs = ARRAY_SIZE(pid_cid_regs); + } + verset->base = drvdata->cc_base; + debugfs_create_regset32("version", 0400, ctx->dir, verset); + +out: + drvdata->debugfs = ctx; return 0; } |