diff options
Diffstat (limited to 'chip/it83xx/peci.c')
| -rw-r--r-- | chip/it83xx/peci.c | 43 |
1 files changed, 19 insertions, 24 deletions
diff --git a/chip/it83xx/peci.c b/chip/it83xx/peci.c index 07336eaaf6..e5f172ce80 100644 --- a/chip/it83xx/peci.c +++ b/chip/it83xx/peci.c @@ -1,10 +1,11 @@ -/* Copyright 2015 The Chromium OS Authors. All rights reserved. +/* Copyright 2015 The ChromiumOS Authors * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ /* PECI interface for Chrome EC */ +#include "builtin/assert.h" #include "clock.h" #include "hooks.h" #include "peci.h" @@ -14,22 +15,20 @@ #include "task.h" enum peci_status { - PECI_STATUS_NO_ERR = 0x00, - PECI_STATUS_HOBY = 0x01, - PECI_STATUS_FINISH = 0x02, - PECI_STATUS_RD_FCS_ERR = 0x04, - PECI_STATUS_WR_FCS_ERR = 0x08, - PECI_STATUS_EXTERR = 0x20, - PECI_STATUS_BUSERR = 0x40, - PECI_STATUS_RCV_ERRCODE = 0x80, - PECI_STATUS_ERR_NEED_RST = (PECI_STATUS_BUSERR | PECI_STATUS_EXTERR), - PECI_STATUS_ANY_ERR = (PECI_STATUS_RCV_ERRCODE | - PECI_STATUS_BUSERR | - PECI_STATUS_EXTERR | - PECI_STATUS_WR_FCS_ERR | - PECI_STATUS_RD_FCS_ERR), - PECI_STATUS_ANY_BIT = 0xFE, - PECI_STATUS_TIMEOUT = 0xFF, + PECI_STATUS_NO_ERR = 0x00, + PECI_STATUS_HOBY = 0x01, + PECI_STATUS_FINISH = 0x02, + PECI_STATUS_RD_FCS_ERR = 0x04, + PECI_STATUS_WR_FCS_ERR = 0x08, + PECI_STATUS_EXTERR = 0x20, + PECI_STATUS_BUSERR = 0x40, + PECI_STATUS_RCV_ERRCODE = 0x80, + PECI_STATUS_ERR_NEED_RST = (PECI_STATUS_BUSERR | PECI_STATUS_EXTERR), + PECI_STATUS_ANY_ERR = (PECI_STATUS_RCV_ERRCODE | PECI_STATUS_BUSERR | + PECI_STATUS_EXTERR | PECI_STATUS_WR_FCS_ERR | + PECI_STATUS_RD_FCS_ERR), + PECI_STATUS_ANY_BIT = 0xFE, + PECI_STATUS_TIMEOUT = 0xFF, }; static task_id_t peci_current_task; @@ -106,10 +105,9 @@ int peci_transaction(struct peci_data *peci) IT83XX_PECI_HOWRLR = 0x00; } else { if ((peci->cmd_code == PECI_CMD_WR_PKG_CFG) || - (peci->cmd_code == PECI_CMD_WR_IAMSR) || - (peci->cmd_code == PECI_CMD_WR_PCI_CFG) || - (peci->cmd_code == PECI_CMD_WR_PCI_CFG_LOCAL)) { - + (peci->cmd_code == PECI_CMD_WR_IAMSR) || + (peci->cmd_code == PECI_CMD_WR_PCI_CFG) || + (peci->cmd_code == PECI_CMD_WR_PCI_CFG_LOCAL)) { /* write length include Cmd Code + AW FCS */ IT83XX_PECI_HOWRLR = peci->w_len + 2; @@ -157,17 +155,14 @@ int peci_transaction(struct peci_data *peci) peci_current_task = TASK_ID_INVALID; if (index < peci->timeout_us) { - status = IT83XX_PECI_HOSTAR; /* any error */ if (IT83XX_PECI_HOSTAR & PECI_STATUS_ANY_ERR) { - if (IT83XX_PECI_HOSTAR & PECI_STATUS_ERR_NEED_RST) peci_reset(); } else if (IT83XX_PECI_HOSTAR & PECI_STATUS_FINISH) { - /* The read data field of the PECI protocol. */ for (index = 0x00; index < peci->r_len; index++) peci->r_buf[index] = IT83XX_PECI_HORDDR; |