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3 files changed, 326 insertions, 0 deletions
diff --git a/src/import/chips/p9/procedures/hwp/pm/p9_pm_set_homer_bar.C b/src/import/chips/p9/procedures/hwp/pm/p9_pm_set_homer_bar.C new file mode 100644 index 000000000..282cc4962 --- /dev/null +++ b/src/import/chips/p9/procedures/hwp/pm/p9_pm_set_homer_bar.C @@ -0,0 +1,241 @@ +/* IBM_PROLOG_BEGIN_TAG */ +/* This is an automatically generated prolog. */ +/* */ +/* $Source: chips/p9/procedures/ipl/hwp/p9_pm_set_homer_bar.C $ */ +/* */ +/* IBM CONFIDENTIAL */ +/* */ +/* EKB Project */ +/* */ +/* COPYRIGHT 2015 */ +/* [+] International Business Machines Corp. */ +/* */ +/* */ +/* The source code for this program is not published or otherwise */ +/* divested of its trade secrets, irrespective of what has been */ +/* deposited with the U.S. Copyright Office. */ +/* */ +/* IBM_PROLOG_END_TAG */ +/// @file p9_pm_set_homer_bar.C +/// @brief Setup a PBABAR to locate the HOMER region for the OCC complex + +// *HWP HWP Owner : Amit Kumar <akumar3@us.ibm.com> +// *HWP Backup HWP Owner: Greg Still <stillgs@us.ibm.com> +// *HWP FW Owner : Bilicon Patil <bilpatil@in.ibm.com> +// *HWP Team : PM +// *HWP Level : 1 +// *HWP Consumed by : HS +/// +/// +/// High-level procedure flow: +/// \verbatim +/// +/// Address and size of HOMER for the target (chip) is passed based on +/// where the caller has allocated this memory for this target. +/// +/// The Base Address and a size mask for the region is passed. This is +/// used to establish the PBA BAR and mask hardware to set the legal +/// bounds for OCc complex accesses. +/// +/// The BAR defines address bits 14:43 in natural bit alignment (eg no +/// shifting) +/// +/// The Size (in MB) of the region where region is located. +/// If not a power of two value, the value will be rounded up to the +/// next power of 2 for setting the hardware mask +/// +/// If 0 is defined and the BAR is also defined as 0, then the BAR +/// is set (to 0) but no image accessing is done as this is considered +/// a BAR reset condition. +/// +/// If 0 is defined and the BAR is NOT 0, an error is returned as this +/// is defining a zero sized, real region. +/// +/// Flow (given BAR and Size are ok per the above) +/// Check that passed address is within the 56 bit real address range +/// Check that image address + image size does not extend past the 56 bit +/// boundary +/// +/// Call p9_pba_bar_config to set up PBA BAR 0 with the address and +/// size of the HOMER region as passed via calling parameters +/// i_mem_bar and i_mem_mask. +/// +/// Procedure Prereq: +/// - HOMER memory region has been allocated. +/// +/// CQ Class: power_management +/// \endverbatim +/// +//------------------------------------------------------------------------------- + + +// ------------------------------------------------------------------------------ +// Includes +// ------------------------------------------------------------------------------ +#include <fapi2.H> +#include "p9_misc_scom_addresses.H" +#include "p9_pm_set_homer_bar.H" +#include "p9_pm.H" +#include "p9_pm_pba_init.H" +#include "p9_pm_pba_bar_config.H" + + +#if 0 +// ------------------------------------------------------------------------------ +// Constant definitions +// ------------------------------------------------------------------------------ + +enum STOPGPE_IMG_LOC + { + STOPGPE_MEMORY = 0x0, + STOPGPE_L3 = 0x1, + STOPGPE_SRAM = 0x2 + }; + +// The value here will yield the appropriate nibble for accessing the PowerBus + +enum PBA_BARS + { + PBA_BAR0 = 0x0, + PBA_BAR1 = 0x1, + PBA_BAR2 = 0x2, + PBA_BAR3 = 0x3 + }; + +enum PBA_SLAVES + { + PBA_SLAVE0 = 0x0, + PBA_SLAVE1 = 0x1, + PBA_SLAVE2 = 0x2, + PBA_SLAVE3 = 0x3 + }; +#endif + + +// ------------------------------------------------------------------------------ +// Function definitions +// ------------------------------------------------------------------------------ + + +/// \param[in] i_target Procesor Chip target +/// \param[in] i_mem_bar Base address of the region where image is located +/// \param[in] i_mem_size Size (in MB) of the region where image is located +/// if not a power of two value, the value will be +/// rounded up to the next power of 2 for setting the +/// hardware mask. The value of 0 is only legal if +/// i_mem_bar is also 0; else an error is indicated. +/// +fapi2::ReturnCode +p9_pm_set_homer_bar( const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target, + const uint64_t i_mem_bar, + const uint64_t i_mem_size) +{ + + fapi2::ReturnCode l_rc; +#if 0 + uint32_t l_ecmdRc = 0; + ecmdDataBufferBase data(64); + + uint64_t image_address; + uint64_t image_size; + uint64_t region_masked_address; + + pba_slvctln_t ps; // PBA Slave + + // Hardcoded use of PBA BAR and Slave + const uint32_t pba_bar = PBA_BAR2; + const uint32_t pba_bar_slw = PBA_SLW_BAR2; + const uint32_t pba_slave = PBA_SLAVE2; + + const uint64_t slw_pba_cmd_scope = 0x2; // Set to SYSTEM + + const uint32_t occ_pba_bar = PBA_BAR0; + uint64_t occ_mem_bar = 0x0; + const uint64_t occ_mem_size = 0x4; // in MB + const uint64_t occ_pba_cmd_scope = 0x0; // Set to NODAL + + + // ----------------------------------------------------------------- + do + { + FAPI2_INF("Entering p9_pm_set_homer_bar ..."); + + // Check if this is a BAR reset case. + if (i_mem_size == 0) + { + if(i_mem_bar != 0) + { + FAPI2_ERR("HOMER Size is 0 but BAR is non-zero: 0x%16llx", i_mem_bar ); + const fapi2::Target& CHIP = i_target; + const uint32_t& MEMSIZE = i_mem_size; + const uint64_t& MEMBAR = i_mem_bar; + FAPI2_SET_HWP_ERROR(rc, RC_PROCPM_HOMER_BAR_SIZE0_ERROR); + break; + } + else + { + FAPI2_DBG("Calling pba_bar_config to BAR %x Addr: 0x%16llX Size: 0x%16llX", + pba_bar, i_mem_bar, i_mem_size); + + // Set the PBA BAR for HOMER + FAPI2_EXEC_HWP(rc, p8_pba_bar_config, i_target, + pba_bar, + i_mem_bar, + i_mem_size, + slw_pba_cmd_scope); + + // No rc check is made as we're exiting anyway. + + break; + } + } + + + // Check that the image address passed is within the memory region that + // is also passed. + // + // The PBA Mask indicates which bits from 23:43 (1MB grandularity) are + // enabled to be passed from the OCI addresses. Inverting this mask + // indicates which address bits are going to come from the PBA BAR value. + // The image address (the starting address) must match these post mask bits + // to be resident in the range. + // + // Starting bit number: 64 bit Big Endian + // 12223344 + // 60482604 + // region_inverted_mask = i_mem_mask ^ BAR_MASK_LIMIT; // XOR + + // Set bits 14:22 as these are unconditional address bits + //region_inverted_mask = region_inverted_mask | BAR_ADDR_UNMASKED; + //computed_image_address = region_inverted_mask && image_address; + // Need to AND the address + //if (computed_image_address != i_mem_bar ) + //{ + // FAPI2_ERR("SLW image address check failure. "); + // FAPI2_SET_HWP_ERROR(rc, RC_PROCPM_POREBAR_IMAGE_ADDR_ERROR); + // break; + //} + + FAPI2_DBG("Calling pba_bar_config to BAR %x Addr: 0x%16llX Size: 0x%16llX", + pba_bar, i_mem_bar, i_mem_size); + + // Set the PBA BAR for the SLW region + FAPI2_EXEC_HWP(rc, p9_pba_bar_config, i_target, + pba_bar, + i_mem_bar, + i_mem_size, + slw_pba_cmd_scope); + + if(rc) + { + break; + } + + + } + while (0); + +#endif + l_rc = fapi2::FAPI2_RC_SUCCESS; + return l_rc; +} diff --git a/src/import/chips/p9/procedures/hwp/pm/p9_pm_set_homer_bar.H b/src/import/chips/p9/procedures/hwp/pm/p9_pm_set_homer_bar.H new file mode 100644 index 000000000..0a275bf11 --- /dev/null +++ b/src/import/chips/p9/procedures/hwp/pm/p9_pm_set_homer_bar.H @@ -0,0 +1,64 @@ +/* IBM_PROLOG_BEGIN_TAG */ +/* This is an automatically generated prolog. */ +/* */ +/* $Source: chips/p9/procedures/ipl/hwp/p9_pm_set_homer_bar.H $ */ +/* */ +/* IBM CONFIDENTIAL */ +/* */ +/* EKB Project */ +/* */ +/* COPYRIGHT 2015 */ +/* [+] International Business Machines Corp. */ +/* */ +/* */ +/* The source code for this program is not published or otherwise */ +/* divested of its trade secrets, irrespective of what has been */ +/* deposited with the U.S. Copyright Office. */ +/* */ +/* IBM_PROLOG_END_TAG */ + +/// @file p9_pm_set_homer_bar.H +/// @brief Set/reset the BLOCK_REG_WKUP_SOURCES bit in the PPM +/// associated with an EX chiplet +/// +// *HWP HWP Owner: Amit Kumar <akumar3@us.ibm.com> +// *HWP Backup HWP Owner: Greg Still <stillgs@us.ibm.com> +// *HWP FW Owner: Bilicon Patil <bilpatil@in.ibm.com> +// *HWP Team: PM +// *HWP Level: 1 +// *HWP Consumed by: FSP:HS +/// +///----------------------------------------------------------------------------- + +#ifndef _P9_SET_HOMER_BAR_H_ +#define _P9_SET_HOMER_BAR_H_ + +//------------------------------------------------------------------------------ +// Includes +//------------------------------------------------------------------------------ + + +// function pointer typedef definition for HWP call support +typedef fapi2::ReturnCode (*p9_pm_set_homer_bar_FP_t) ( + const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>&, + const uint64_t, + const uint64_t); + + + +//------------------------------------------------------------------------------ +// Function prototype +//------------------------------------------------------------------------------ +/// \param[in] i_target Procesor Chip target +/// \param[in] i_mem_bar Base address of the region where image is located +/// \param[in] i_mem_size Size (in MB) of the region where image is located +/// if not a power of two value, the value will be +/// rounded up to the next power of 2 for setting the +/// hardware mask + +fapi2::ReturnCode p9_pm_set_homer_bar( + const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target, + const uint64_t i_mem_bar, + const uint64_t i_mem_size); + +#endif // _P9_SET_HOMER_BAR_H_ diff --git a/src/import/chips/p9/procedures/hwp/pm/p9_pm_set_homer_bar.mk b/src/import/chips/p9/procedures/hwp/pm/p9_pm_set_homer_bar.mk new file mode 100644 index 000000000..faf3eb3d5 --- /dev/null +++ b/src/import/chips/p9/procedures/hwp/pm/p9_pm_set_homer_bar.mk @@ -0,0 +1,21 @@ +# IBM_PROLOG_BEGIN_TAG +# This is an automatically generated prolog. +# +# $Source: chips/p9/procedures/ipl/hwp/p9_pm_set_homer_bar.mk $ +# +# IBM CONFIDENTIAL +# +# EKB Project +# +# COPYRIGHT 2015 +# [+] International Business Machines Corp. +# +# +# The source code for this program is not published or otherwise +# divested of its trade secrets, irrespective of what has been +# deposited with the U.S. Copyright Office. +# +# IBM_PROLOG_END_TAG +PROCEDURE=p9_pm_set_homer_bar +libp9_pm_set_homer_bar_DEPLIBS += p9_pm_utils +$(call BUILD_PROCEDURE) |
