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

From: Mario Limonciello
Date: Fri May 19 2023 - 13:28:46 EST


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@xxxxxxx>
---
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