summaryrefslogtreecommitdiff
path: root/drivers/crypto/ccp/sp-pci.c
diff options
context:
space:
mode:
authorMario Limonciello <mario.limonciello@amd.com>2023-03-10 15:19:50 -0600
committerHerbert Xu <herbert@gondor.apana.org.au>2023-03-17 11:16:43 +0800
commitd5812571f594b03438d0d7acd0dc044f73c1719e (patch)
tree0cc20f90f769d891e6c8c11db007d6475d7e641f /drivers/crypto/ccp/sp-pci.c
parent22351239247b30978d06eb2ab5c258e6b344949f (diff)
crypto: ccp - Add support for ringing a platform doorbell
Some platforms support using a doorbell to communicate. Export this feature for other drivers to utilize as well. Link: https://lore.kernel.org/linux-i2c/20220916131854.687371-3-jsd@semihalf.com/ Suggested-by: Jan Dabros <jsd@semihalf.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/ccp/sp-pci.c')
-rw-r--r--drivers/crypto/ccp/sp-pci.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/crypto/ccp/sp-pci.c b/drivers/crypto/ccp/sp-pci.c
index 18aa902eb5ce..b5896f7af7ab 100644
--- a/drivers/crypto/ccp/sp-pci.c
+++ b/drivers/crypto/ccp/sp-pci.c
@@ -365,6 +365,8 @@ static const struct platform_access_vdata pa_v1 = {
.cmdresp_reg = 0x10570, /* C2PMSG_28 */
.cmdbuff_addr_lo_reg = 0x10574, /* C2PMSG_29 */
.cmdbuff_addr_hi_reg = 0x10578, /* C2PMSG_30 */
+ .doorbell_button_reg = 0x10a24, /* C2PMSG_73 */
+ .doorbell_cmd_reg = 0x10a40, /* C2PMSG_80 */
};
static const struct psp_vdata pspv1 = {