linux-kernel - [PATCH 2/3] crypto: ccp - Add support for PCI device 0x17E0

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Message-ID: <20230519032414.94247-3-mario.limonciello@amd.com>
Date:   Thu, 18 May 2023 22:24:13 -0500
From:   Mario Limonciello <mario.limonciello@....com>
To:     Tom Lendacky <thomas.lendacky@....com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S . Miller" <davem@...emloft.net>
CC:     John Allen <john.allen@....com>, <linux-crypto@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Mario Limonciello <mario.limonciello@....com>
Subject: [PATCH 2/3] crypto: ccp - Add support for PCI device 0x17E0

PCI device 0x17E0 includes new TEE offsets, doesn't support a
platform mailbox, and does support platform doorbell
so introduce a new structure to represent it.

Signed-off-by: Mario Limonciello <mario.limonciello@....com>
---
 drivers/crypto/ccp/sp-pci.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/drivers/crypto/ccp/sp-pci.c b/drivers/crypto/ccp/sp-pci.c
index aa15bc4cac2b..d0d70af0c4c0 100644
--- a/drivers/crypto/ccp/sp-pci.c
+++ b/drivers/crypto/ccp/sp-pci.c
@@ -361,6 +361,14 @@ static const struct tee_vdata teev1 = {
 	.ring_rptr_reg          = 0x10554,	/* C2PMSG_21 */
 };
 
+static const struct tee_vdata teev2 = {
+	.cmdresp_reg		= 0x10944,	/* C2PMSG_17 */
+	.cmdbuff_addr_lo_reg	= 0x10948,	/* C2PMSG_18 */
+	.cmdbuff_addr_hi_reg	= 0x1094c,	/* C2PMSG_19 */
+	.ring_wptr_reg		= 0x10950,	/* C2PMSG_20 */
+	.ring_rptr_reg		= 0x10954,	/* C2PMSG_21 */
+};
+
 static const struct platform_access_vdata pa_v1 = {
 	.cmdresp_reg		= 0x10570,	/* C2PMSG_28 */
 	.cmdbuff_addr_lo_reg	= 0x10574,	/* C2PMSG_29 */
@@ -369,6 +377,11 @@ static const struct platform_access_vdata pa_v1 = {
 	.doorbell_cmd_reg	= 0x10a40,	/* C2PMSG_80 */
 };
 
+static const struct platform_access_vdata pa_v2 = {
+	.doorbell_button_reg	= 0x10a24,	/* C2PMSG_73 */
+	.doorbell_cmd_reg	= 0x10a40,	/* C2PMSG_80 */
+};
+
 static const struct psp_vdata pspv1 = {
 	.sev			= &sevv1,
 	.feature_reg		= 0x105fc,	/* C2PMSG_63 */
@@ -399,6 +412,14 @@ static const struct psp_vdata pspv4 = {
 	.intsts_reg		= 0x10694,	/* P2CMSG_INTSTS */
 };
 
+static const struct psp_vdata pspv5 = {
+	.tee			= &teev2,
+	.platform_access	= &pa_v2,
+	.feature_reg		= 0x109fc,	/* C2PMSG_63 */
+	.inten_reg		= 0x10510,	/* P2CMSG_INTEN */
+	.intsts_reg		= 0x10514,	/* P2CMSG_INTSTS */
+};
+
 #endif
 
 static const struct sp_dev_vdata dev_vdata[] = {
@@ -451,6 +472,12 @@ static const struct sp_dev_vdata dev_vdata[] = {
 		.bar = 2,
 #ifdef CONFIG_CRYPTO_DEV_SP_PSP
 		.psp_vdata = &pspv3,
+#endif
+	},
+	{	/* 7 */
+		.bar = 2,
+#ifdef CONFIG_CRYPTO_DEV_SP_PSP
+		.psp_vdata = &pspv5,
 #endif
 	},
 };
@@ -463,6 +490,7 @@ static const struct pci_device_id sp_pci_table[] = {
 	{ PCI_VDEVICE(AMD, 0x14CA), (kernel_ulong_t)&dev_vdata[5] },
 	{ PCI_VDEVICE(AMD, 0x15C7), (kernel_ulong_t)&dev_vdata[6] },
 	{ PCI_VDEVICE(AMD, 0x1649), (kernel_ulong_t)&dev_vdata[6] },
+	{ PCI_VDEVICE(AMD, 0x17E0), (kernel_ulong_t)&dev_vdata[7] },
 	/* Last entry must be zero */
 	{ 0, }
 };
-- 
2.34.1