diff options
| author | Marco Chen <marcochen@google.com> | 2020-08-26 18:04:14 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-08-29 22:43:20 +0000 |
| commit | 5ce176d76cb0779d7e3e8c0fc9d0f9a743ecf94d (patch) | |
| tree | 6603918d68e6513398e9d876c049922f028de363 | |
| parent | cd27f2d3cf95ee15e254f2e6d92a81675b2f925e (diff) | |
| download | chrome-ec-5ce176d76cb0779d7e3e8c0fc9d0f9a743ecf94d.tar.gz | |
Octopus: Initiate the first version of parsing SSFC of CBI
Initiate the helper functions to parse the SSFC of CBI. The first and
only component in this version is TCPC in the port 1.
BRANCH=octopus
BUG=b:163922535
TEST=EC log of Meep device can output value of SSFC in CBI
Signed-off-by: Marco Chen <marcochen@chromium.org>
Change-Id: Iaee608a8b9791796fff0b31599c8be1bdc07cf3e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2377058
Reviewed-by: Diana Z <dzigterman@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2383923
Reviewed-by: Edward Hill <ecgh@chromium.org>
Commit-Queue: Edward Hill <ecgh@chromium.org>
Tested-by: Edward Hill <ecgh@chromium.org>
| -rw-r--r-- | baseboard/octopus/build.mk | 2 | ||||
| -rw-r--r-- | baseboard/octopus/cbi_ssfc.c | 34 | ||||
| -rw-r--r-- | baseboard/octopus/cbi_ssfc.h | 26 |
3 files changed, 61 insertions, 1 deletions
diff --git a/baseboard/octopus/build.mk b/baseboard/octopus/build.mk index efb37acb04..bb8a6f8267 100644 --- a/baseboard/octopus/build.mk +++ b/baseboard/octopus/build.mk @@ -6,7 +6,7 @@ # Baseboard specific files build # -baseboard-y=baseboard.o +baseboard-y=baseboard.o cbi_ssfc.o baseboard-$(CONFIG_USB_POWER_DELIVERY)+=usb_pd_policy.o baseboard-$(VARIANT_OCTOPUS_EC_NPCX796FB)+=variant_ec_npcx796fb.o baseboard-$(VARIANT_OCTOPUS_EC_ITE8320)+=variant_ec_ite8320.o diff --git a/baseboard/octopus/cbi_ssfc.c b/baseboard/octopus/cbi_ssfc.c new file mode 100644 index 0000000000..e4048e898f --- /dev/null +++ b/baseboard/octopus/cbi_ssfc.c @@ -0,0 +1,34 @@ +/* Copyright 2020 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 "cbi_ssfc.h" +#include "common.h" +#include "console.h" +#include "cros_board_info.h" +#include "hooks.h" + +/**************************************************************************** + * Octopus CBI Second Source Factory Cache + */ + +#define CPRINTS(format, args...) cprints(CC_SYSTEM, format, ##args) + +/* Cache SSFC on init since we don't expect it to change in runtime */ +static uint32_t cached_ssfc; + +static void cbi_ssfc_init(void) +{ + if (cbi_get_ssfc(&cached_ssfc) != EC_SUCCESS) + /* Default to 0 when CBI isn't populated */ + cached_ssfc = 0; + + CPRINTS("CBI SSFC: 0x%04X", cached_ssfc); +} +DECLARE_HOOK(HOOK_INIT, cbi_ssfc_init, HOOK_PRIO_FIRST); + +enum ssfc_tcpc_p1 get_cbi_ssfc_tcpc_p1(void) +{ + return ((cached_ssfc & SSFC_TCPC_P1_MASK) >> SSFC_TCPC_P1_OFFSET); +} diff --git a/baseboard/octopus/cbi_ssfc.h b/baseboard/octopus/cbi_ssfc.h new file mode 100644 index 0000000000..e8ef54e3fc --- /dev/null +++ b/baseboard/octopus/cbi_ssfc.h @@ -0,0 +1,26 @@ +/* Copyright 2020 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. + */ + +#ifndef _OCTOPUS_CBI_SSFC__H_ +#define _OCTOPUS_CBI_SSFC__H_ + +/**************************************************************************** + * Octopus CBI Second Source Factory Cache + */ + +/* + * TCPC Port 1 (Bits 0-2) + */ +enum ssfc_tcpc_p1 { + TCPC_P1_DEFAULT, + TCPC_P1_PS8751, + TCPC_P1_PS8755, +}; +#define SSFC_TCPC_P1_OFFSET 0 +#define SSFC_TCPC_P1_MASK GENMASK(2, 0) + +enum ssfc_tcpc_p1 get_cbi_ssfc_tcpc_p1(void); + +#endif /* _OCTOPUS_CBI_SSFC__H_ */ |