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Adding in configurations for PNOR/LPC communication
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  Adjust default LPC base address offset in image (0000030000000000)

Change-Id: I98b1ddf8fc9d515b65b20421e9e480ba4def8b9f
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/28570
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: PPE CI <ppe-ci+hostboot@us.ibm.com>
Reviewed-by: Thi N. Tran <thi@us.ibm.com>
Reviewed-by: CHRISTINA L. GRAVES <clgraves@us.ibm.com>
Reviewed-by: Sachin Gupta <sgupta2m@in.ibm.com>
Reviewed-by: Matt K. Light <mklight@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/71475
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>
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CHRISTINA L. GRAVES authored and crgeddes committed Feb 12, 2019
1 parent bc78a12 commit aa29d07
Showing 1 changed file with 40 additions and 0 deletions.
40 changes: 40 additions & 0 deletions src/import/chips/p9/procedures/hwp/perv/p9_sbe_lpc_init.C
Original file line number Diff line number Diff line change
Expand Up @@ -41,10 +41,33 @@

#include "p9_perv_scom_addresses.H"
#include "p9_perv_scom_addresses_fld.H"
#include "p9_misc_scom_addresses.H"

fapi2::ReturnCode p9_sbe_lpc_init(const
fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target_chip)
{

const uint64_t C_OADRNB_ADDR = 0x00400000F0000C90ull;
// bits 0:31 are the starting byte address of flash locations directly accessible by the second interface. Must be a multiple of the size of the address rangei
// I have 0xF0000000 since we expect the PNOR address window to be from 0xFXXXXXXX (FW ops) and LPC IO ops from 0xDXXXXXXX
// This makes the "direct accessible address range" to 0xC000000 to 0xFFFFFFF because of he 64MB size
const uint64_t C_OADRNB_DATA = 0x0C00000000000000ull;
const uint64_t C_OADRNS_ADDR = 0x00400000F0000C94ull;
// bits 27:31 are the OPB window size this should be a multiple of the ECC granule if ECC is enbled and the large erase block size
// Currently I have this set to be 64 MB
const uint64_t C_OADRNS_DATA = 0x000000000000000Full;
const uint64_t C_ADRCBF_ADDR = 0x00400000F0000C80ull;
// bits 0:31 are the starting byte address of flash locations accessble by the first interface. Must be a multiple of the size of the address range accessible by the first interface.
// I have 0xF0000000 since we expect the PNOR address window to be from 0xFXXXXXXX (FW ops) and LPC IO ops from 0xDXXXXXXX
// This makes the "direct accessible address range" to 0xC000000 to 0xFFFFFFF because of the 64MB size
const uint64_t C_ADRCBF_DATA = 0x0C00000000000000ull;
const uint64_t C_ADRCMF_ADDR = 0x00400000F0000C84ull;
// bits 27:31 are the size of the first interfaces flash allocation
// Currently I have this set to be 64 MB
const uint64_t C_ADRCMF_DATA = 0x000000000000000Full;
const uint64_t C_CONF_ADDR = 0x00400000F0000C10ull;
// Set the direct access cache disable bit (bit 30)
const uint64_t C_CONF_DATA = 0x0000000200000000ull;
fapi2::buffer<uint64_t> l_data64;
FAPI_DBG("p9_sbe_lpc_init: Entering ...");

Expand All @@ -65,6 +88,23 @@ fapi2::ReturnCode p9_sbe_lpc_init(const
FAPI_TRY(fapi2::putScom(i_target_chip, PERV_N3_CPLT_CONF1_OR, l_data64));
FAPI_TRY(fapi2::putScom(i_target_chip, PERV_N3_CPLT_CONF1_CLEAR, l_data64));

//Sets the register OADRNB (0x90) of the nore flash master (sets a base address for direct access)
FAPI_TRY(fapi2::putScom(i_target_chip, PU_LPC_CMD_REG, C_OADRNB_ADDR), "Error setting the OADRNB address");
FAPI_TRY(fapi2::putScom(i_target_chip, PU_LPC_DATA_REG, C_OADRNB_DATA), "Error setting the OADRNB data");
//Sets the register OADRNS (0x94) of the flash master (window size setting)
FAPI_TRY(fapi2::putScom(i_target_chip, PU_LPC_CMD_REG, C_OADRNS_ADDR), "Error setting the OADRNS address");
FAPI_TRY(fapi2::putScom(i_target_chip, PU_LPC_DATA_REG, C_OADRNS_DATA), "Error setting the OADRNS data");
//Sets the ADRCBF (0x80) of the nor flash master (NOR Address offset)
FAPI_TRY(fapi2::putScom(i_target_chip, PU_LPC_CMD_REG, C_ADRCBF_ADDR), "Error setting the ADRCBF address");
FAPI_TRY(fapi2::putScom(i_target_chip, PU_LPC_DATA_REG, C_ADRCBF_DATA), "Error setting the ADRCBF data");
//Sets the register ADRCMF (0x84) of the nor flash master (size setting)
FAPI_TRY(fapi2::putScom(i_target_chip, PU_LPC_CMD_REG, C_ADRCMF_ADDR), "Error setting the ADRCMF address");
FAPI_TRY(fapi2::putScom(i_target_chip, PU_LPC_DATA_REG, C_ADRCMF_DATA), "Error setting the ADRCMF data");
//Sets the register CONF(0x10) of the nor flash master (direct access)
FAPI_TRY(fapi2::putScom(i_target_chip, PU_LPC_CMD_REG, C_CONF_ADDR), "Error setting the CONF address");
FAPI_TRY(fapi2::putScom(i_target_chip, PU_LPC_DATA_REG, C_CONF_DATA), "Error setting the CONF data");


FAPI_DBG("p9_sbe_lpc_init: Exiting ...");

fapi_try_exit:
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