diff options
| author | Gabe Black <gabeblack@chromium.org> | 2011-07-27 02:07:18 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2011-08-29 10:59:15 -0700 |
| commit | 0ea4598c278003022d5526ba0fb6fcb4bae299a0 (patch) | |
| tree | e32c5572605cf4987f2d866f4f02aa28d596d28b /drivers/tpm | |
| parent | b24dac6b046ad4485a382c0a2bf2b7d58e810840 (diff) | |
Add a dummy TPM driver
Vboot depends on having a TPM driver in place, but we don't have one
implemented yet. This change adds a new empty driver which won't do anything
but will get vboot to compile.
BUG=chrome-os-partner:4552
TEST=Built for coreboot
Change-Id: I2afa4d7b3a5a70fcee76794bad113e7ae7e04d93
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: http://gerrit.chromium.org/gerrit/4845
Reviewed-by: Stefan Reinauer <reinauer@google.com>
Tested-by: Gabe Black <gabeblack@chromium.org>
Diffstat (limited to 'drivers/tpm')
| -rw-r--r-- | drivers/tpm/Makefile | 2 | ||||
| -rw-r--r-- | drivers/tpm/dummy_tpm.c | 31 |
2 files changed, 33 insertions, 0 deletions
diff --git a/drivers/tpm/Makefile b/drivers/tpm/Makefile index d53c7911ab..3c8c01bb20 100644 --- a/drivers/tpm/Makefile +++ b/drivers/tpm/Makefile @@ -19,6 +19,8 @@ COBJS-$(CONFIG_INFINEON_TPM_I2C) = slb9635_i2c.o \ $(IFXDIR)/ifx_v05.o \ $(IFXDIR)/ifx_v03.o +COBJS-$(CONFIG_DUMMY_TPM) = dummy_tpm.o + COBJS := $(COBJS-y) SRCS := $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS)) diff --git a/drivers/tpm/dummy_tpm.c b/drivers/tpm/dummy_tpm.c new file mode 100644 index 0000000000..685968c5ef --- /dev/null +++ b/drivers/tpm/dummy_tpm.c @@ -0,0 +1,31 @@ +/* Copyright (c) 2011 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include <tpm.h> + +int tis_init(void) +{ + printf("tis_init called but not implemented.\n"); + return 1; +} + +int tis_open(void) +{ + printf("tis_open called but not implemented.\n"); + return 1; +} + +int tis_close(void) +{ + printf("tis_close called but not implemented.\n"); + return 1; +} + +int tis_sendrecv(const uint8_t *sendbuf, size_t send_size, uint8_t *recvbuf, + size_t *recv_len) +{ + printf("tis_sendrecv called but not implemented.\n"); + return 1; +} |