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| author | Andre Marin <aamarin@us.ibm.com> | 2018-08-10 08:29:49 -0500 |
|---|---|---|
| committer | Christian R. Geddes <crgeddes@us.ibm.com> | 2018-10-30 10:42:21 -0500 |
| commit | a77117372feee4284c7f7eee0d3e8102ec180cba (patch) | |
| tree | 21ca6ccc7b128f2394ca0abb81f2c024d3fd9020 /src/import | |
| parent | b6c4337484ca890679a7213b8d7c393d7e80a08a (diff) | |
| download | talos-hostboot-a77117372feee4284c7f7eee0d3e8102ec180cba.tar.gz talos-hostboot-a77117372feee4284c7f7eee0d3e8102ec180cba.zip | |
Implement exp_check_for_ready
Change-Id: I122bb5e71f8a01f7e769f99f5b8d26d6559404dd
Original-Change-Id: I11e80e70c411ec0f5a1891e078b669f176658c34
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/61972
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: HWSV CI <hwsv-ci+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: Louis Stermole <stermole@us.ibm.com>
Reviewed-by: RYAN P. KING <rpking@us.ibm.com>
Reviewed-by: ANDRE A. MARIN <aamarin@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/68125
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>
Diffstat (limited to 'src/import')
| -rw-r--r-- | src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/i2c/exp_i2c.H | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/i2c/exp_i2c.H b/src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/i2c/exp_i2c.H index 81525afa1..c6dd2b7df 100644 --- a/src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/i2c/exp_i2c.H +++ b/src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/i2c/exp_i2c.H @@ -149,6 +149,25 @@ fapi_try_exit: return fapi2::current_err; } +/// +/// @brief Checks if the I2C interface returns an ACK +/// @param[in] i_target the OCMB target +/// @return FAPI2_RC_SUCCESS iff okay +/// +inline fapi2::ReturnCode is_ready(const fapi2::Target<fapi2::TARGET_TYPE_OCMB_CHIP>& i_target) +{ + // We send a simple but valid command to poll the I2C + // Arbitrarily send an EXP_FW_STATUS command id + size_t l_size = 0; + std::vector<uint8_t> l_cmd_id; + fw_status_setup(l_size, l_cmd_id); + + // We just ignore the data. We'll see FAPI2_RC_SUCCESS if + // the I2C returns an ACK. + std::vector<uint8_t> l_data; + return fapi2::getI2c(i_target, l_size, l_cmd_id, l_data); +} + }// i2c }// exp }// mss |
