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Diffstat (limited to 'arch/arm/mach-socfpga/include/mach/sequencer.c')
-rw-r--r--arch/arm/mach-socfpga/include/mach/sequencer.c438
1 files changed, 219 insertions, 219 deletions
diff --git a/arch/arm/mach-socfpga/include/mach/sequencer.c b/arch/arm/mach-socfpga/include/mach/sequencer.c
index c299f754a8..d2338e6406 100644
--- a/arch/arm/mach-socfpga/include/mach/sequencer.c
+++ b/arch/arm/mach-socfpga/include/mach/sequencer.c
@@ -292,11 +292,11 @@ static void initialize(void)
{
IOWR_32DIRECT(PHY_MGR_MUX_SEL, 0, 0x3);
- //USER memory clock is not stable we begin initialization
+ //USER memory clock is not stable we begin initialization
IOWR_32DIRECT(PHY_MGR_RESET_MEM_STBL, 0, 0);
- //USER calibration status all set to zero
+ //USER calibration status all set to zero
IOWR_32DIRECT(PHY_MGR_CAL_STATUS, 0, 0);
IOWR_32DIRECT(PHY_MGR_CAL_DEBUG_INFO, 0, 0);
@@ -451,7 +451,7 @@ static void set_rank_and_odt_mask(uint32_t rank, uint32_t odt_mode)
//USER Given a rank, select the set of shadow registers that is responsible for the
//USER delays of such rank, so that subsequent SCC updates will go to those shadow
-//USER registers.
+//USER registers.
static void select_shadow_regs_for_update(uint32_t rank, uint32_t group,
uint32_t update_scan_chains)
{
@@ -494,7 +494,7 @@ static void scc_mgr_set_dqs_en_phase_all_ranks(uint32_t read_group, uint32_t pha
for (r = 0; r < RW_MGR_MEM_NUMBER_OF_RANKS; r += NUM_RANKS_PER_SHADOW_REG) {
//USER although the h/w doesn't support different phases per shadow register,
- //USER for simplicity our scc manager modeling keeps different phase settings per
+ //USER for simplicity our scc manager modeling keeps different phase settings per
//USER shadow reg, and it's important for us to keep them in sync to match h/w.
//USER for efficiency, the scan chain update should occur only once to sr0.
update_scan_chains = (r == 0) ? 1 : 0;
@@ -522,7 +522,7 @@ static void scc_mgr_set_dqdqs_output_phase_all_ranks(uint32_t write_group, uint3
for (r = 0; r < RW_MGR_MEM_NUMBER_OF_RANKS; r += NUM_RANKS_PER_SHADOW_REG) {
//USER although the h/w doesn't support different phases per shadow register,
- //USER for simplicity our scc manager modeling keeps different phase settings per
+ //USER for simplicity our scc manager modeling keeps different phase settings per
//USER shadow reg, and it's important for us to keep them in sync to match h/w.
//USER for efficiency, the scan chain update should occur only once to sr0.
update_scan_chains = (r == 0) ? 1 : 0;
@@ -749,7 +749,7 @@ static void scc_set_bypass_mode(uint32_t write_group, uint32_t mode)
DPRINT(1, "Done Setting HHP Extras");
}
- //USER multicast to all DQ enables
+ //USER multicast to all DQ enables
IOWR_32DIRECT(SCC_MGR_DQ_ENA, 0, 0xff);
IOWR_32DIRECT(SCC_MGR_DM_ENA, 0, 0xff);
@@ -802,7 +802,7 @@ static void scc_mgr_zero_group(uint32_t write_group, uint32_t test_begin, int32_
//USER multicast to all DQ enables
IOWR_32DIRECT(SCC_MGR_DQ_ENA, 0, 0xff);
- //USER Zero all DM config settings
+ //USER Zero all DM config settings
for (i = 0; i < RW_MGR_NUM_DM_PER_WRITE_GROUP; i++) {
if (!out_only) {
// Do we really need this?
@@ -815,7 +815,7 @@ static void scc_mgr_zero_group(uint32_t write_group, uint32_t test_begin, int32_
//USER multicast to all DM enables
IOWR_32DIRECT(SCC_MGR_DM_ENA, 0, 0xff);
- //USER zero all DQS io settings
+ //USER zero all DQS io settings
if (!out_only) {
scc_mgr_set_dqs_io_in_delay(write_group, 0);
}
@@ -827,33 +827,33 @@ static void scc_mgr_zero_group(uint32_t write_group, uint32_t test_begin, int32_
//USER multicast to all DQS IO enables (only 1)
IOWR_32DIRECT(SCC_MGR_DQS_IO_ENA, 0, 0);
- //USER hit update to zero everything
+ //USER hit update to zero everything
IOWR_32DIRECT(SCC_MGR_UPD, 0, 0);
}
}
-//USER load up dqs config settings
+//USER load up dqs config settings
static void scc_mgr_load_dqs(uint32_t dqs)
{
IOWR_32DIRECT(SCC_MGR_DQS_ENA, 0, dqs);
}
-//USER load up dqs io config settings
+//USER load up dqs io config settings
static void scc_mgr_load_dqs_io(void)
{
IOWR_32DIRECT(SCC_MGR_DQS_IO_ENA, 0, 0);
}
-//USER load up dq config settings
+//USER load up dq config settings
static void scc_mgr_load_dq(uint32_t dq_in_group)
{
IOWR_32DIRECT(SCC_MGR_DQ_ENA, 0, dq_in_group);
}
-//USER load up dm config settings
+//USER load up dm config settings
static void scc_mgr_load_dm(uint32_t dm)
{
@@ -934,20 +934,20 @@ static void scc_mgr_set_group_dqs_io_and_oct_out1_gradual(uint32_t write_group,
}
}
-//USER apply a delay to the entire output side: DQ, DM, DQS, OCT
+//USER apply a delay to the entire output side: DQ, DM, DQS, OCT
static void scc_mgr_apply_group_all_out_delay(uint32_t write_group, uint32_t group_bgn,
uint32_t delay)
{
- //USER dq shift
+ //USER dq shift
scc_mgr_apply_group_dq_out1_delay(write_group, group_bgn, delay);
- //USER dm shift
+ //USER dm shift
scc_mgr_apply_group_dm_out1_delay(write_group, delay);
- //USER dqs and oct shift
+ //USER dqs and oct shift
scc_mgr_apply_group_dqs_io_and_oct_out1(write_group, delay);
}
@@ -968,14 +968,14 @@ static void scc_mgr_apply_group_all_out_delay_all_ranks(uint32_t write_group, ui
}
}
-//USER apply a delay to the entire output side: DQ, DM, DQS, OCT
+//USER apply a delay to the entire output side: DQ, DM, DQS, OCT
static void scc_mgr_apply_group_all_out_delay_add(uint32_t write_group, uint32_t group_bgn,
uint32_t delay)
{
uint32_t i, p, new_delay;
- //USER dq shift
+ //USER dq shift
for (i = 0, p = group_bgn; i < RW_MGR_MEM_DQ_PER_WRITE_DQS; i++, p++) {
@@ -994,7 +994,7 @@ static void scc_mgr_apply_group_all_out_delay_add(uint32_t write_group, uint32_t
scc_mgr_load_dq(i);
}
- //USER dm shift
+ //USER dm shift
for (i = 0; i < RW_MGR_NUM_DM_PER_WRITE_GROUP; i++) {
new_delay = READ_SCC_DM_IO_OUT2_DELAY(i);
@@ -1012,7 +1012,7 @@ static void scc_mgr_apply_group_all_out_delay_add(uint32_t write_group, uint32_t
scc_mgr_load_dm(i);
}
- //USER dqs shift
+ //USER dqs shift
new_delay = READ_SCC_DQS_IO_OUT2_DELAY();
new_delay += delay;
@@ -1029,7 +1029,7 @@ static void scc_mgr_apply_group_all_out_delay_add(uint32_t write_group, uint32_t
scc_mgr_set_dqs_out2_delay(write_group, new_delay);
scc_mgr_load_dqs_io();
- //USER oct shift
+ //USER oct shift
new_delay = READ_SCC_OCT_OUT2_DELAY(write_group);
new_delay += delay;
@@ -1200,7 +1200,7 @@ static void rw_mgr_mem_initialize(void)
//USER indicate that memory is stable
IOWR_32DIRECT(PHY_MGR_RESET_MEM_STBL, 0, 1);
- //USER transition the RESET to high
+ //USER transition the RESET to high
//USER Wait for 500us
//USER num_cycles = (CTR2 + 1) * [(CTR1 + 1) * (2 * (CTR0 + 1) + 1) + 1] + 1
//USER Load counters
@@ -1215,12 +1215,12 @@ static void rw_mgr_mem_initialize(void)
IOWR_32DIRECT(RW_MGR_RUN_SINGLE_GROUP, 0, __RW_MGR_INIT_RESET_1_CKE_0);
- //USER bring up clock enable
+ //USER bring up clock enable
//USER tXRP < 250 ck cycles
delay_for_n_mem_clocks(250);
- // USER initialize RDIMM buffer so MRS and RZQ Calibrate commands will be
+ // USER initialize RDIMM buffer so MRS and RZQ Calibrate commands will be
// USER propagated to discrete memory devices
rw_mgr_rdimm_initialize();
@@ -1231,7 +1231,7 @@ static void rw_mgr_mem_initialize(void)
continue;
}
- //USER set rank
+ //USER set rank
set_rank_and_odt_mask(r, RW_MGR_ODT_MODE_OFF);
//USER Use Mirror-ed commands for odd ranks if address mirrorring is on
@@ -1288,11 +1288,11 @@ static void rw_mgr_mem_handoff(void)
//USER set rank
set_rank_and_odt_mask(r, RW_MGR_ODT_MODE_OFF);
- //USER precharge all banks ...
+ //USER precharge all banks ...
IOWR_32DIRECT(RW_MGR_RUN_SINGLE_GROUP, 0, __RW_MGR_PRECHARGE_ALL);
- //USER load up MR settings specified by user
+ //USER load up MR settings specified by user
//USER Use Mirror-ed commands for odd ranks if address mirrorring is on
if ((RW_MGR_MEM_ADDRESS_MIRRORING >> r) & 0x1) {
@@ -1397,7 +1397,7 @@ static uint32_t rw_mgr_mem_calibrate_read_test_patterns_all_ranks(uint32_t group
return 1;
} else {
// case:139851 - if guaranteed read fails, we can retry using different dqs enable phases.
- // It is possible that with the initial phase, dqs enable is asserted/deasserted too close
+ // It is possible that with the initial phase, dqs enable is asserted/deasserted too close
// to an dqs edge, truncating the read burst.
uint32_t p;
for (p = 0; p <= IO_DQS_EN_PHASE_MAX; p++) {
@@ -1411,7 +1411,7 @@ static uint32_t rw_mgr_mem_calibrate_read_test_patterns_all_ranks(uint32_t group
}
}
-//USER load up the patterns we are going to use during a read test
+//USER load up the patterns we are going to use during a read test
static void rw_mgr_mem_calibrate_read_load_patterns(uint32_t rank_bgn, uint32_t all_ranks)
{
uint32_t r;
@@ -1456,96 +1456,96 @@ static inline void rw_mgr_mem_calibrate_read_load_patterns_all_ranks(void)
//void pe_checkout_pattern (void)
//{
// // test RW manager
-//
+//
// // do some reads to check load buffer
// IOWR_32DIRECT (RW_MGR_LOAD_CNTR_1, 0, 0x0);
// IOWR_32DIRECT (RW_MGR_LOAD_JUMP_ADD_1, 0, __RW_MGR_READ_B2B_WAIT1);
//
// IOWR_32DIRECT (RW_MGR_LOAD_CNTR_2, 0, 0x0);
// IOWR_32DIRECT (RW_MGR_LOAD_JUMP_ADD_2, 0, __RW_MGR_READ_B2B_WAIT2);
-//
+//
// IOWR_32DIRECT (RW_MGR_LOAD_CNTR_0, 0, 0x0);
// IOWR_32DIRECT (RW_MGR_LOAD_JUMP_ADD_0, 0, __RW_MGR_READ_B2B);
-//
+//
// IOWR_32DIRECT (RW_MGR_LOAD_CNTR_3, 0, 0x0);
// IOWR_32DIRECT (RW_MGR_LOAD_JUMP_ADD_3, 0, __RW_MGR_READ_B2B);
-//
+//
// // clear error word
// IOWR_32DIRECT (RW_MGR_RESET_READ_DATAPATH, 0, 0);
-//
+//
// IOWR_32DIRECT (RW_MGR_RUN_SINGLE_GROUP, 0, __RW_MGR_READ_B2B);
-//
+//
// uint32_t readdata;
-//
+//
// // read error word
// readdata = IORD_32DIRECT(BASE_RW_MGR, 0);
-//
+//
// // read DI buffer
// readdata = IORD_32DIRECT(RW_MGR_DI_BASE + 0*4, 0);
// readdata = IORD_32DIRECT(RW_MGR_DI_BASE + 1*4, 0);
// readdata = IORD_32DIRECT(RW_MGR_DI_BASE + 2*4, 0);
// readdata = IORD_32DIRECT(RW_MGR_DI_BASE + 3*4, 0);
-//
+//
// IOWR_32DIRECT (RW_MGR_LOAD_CNTR_1, 0, 0x0);
// IOWR_32DIRECT (RW_MGR_LOAD_JUMP_ADD_1, 0, __RW_MGR_READ_B2B_WAIT1);
//
// IOWR_32DIRECT (RW_MGR_LOAD_CNTR_2, 0, 0x0);
// IOWR_32DIRECT (RW_MGR_LOAD_JUMP_ADD_2, 0, __RW_MGR_READ_B2B_WAIT2);
-//
+//
// IOWR_32DIRECT (RW_MGR_LOAD_CNTR_0, 0, 0x0);
// IOWR_32DIRECT (RW_MGR_LOAD_JUMP_ADD_0, 0, __RW_MGR_READ_B2B);
-//
+//
// IOWR_32DIRECT (RW_MGR_LOAD_CNTR_3, 0, 0x0);
// IOWR_32DIRECT (RW_MGR_LOAD_JUMP_ADD_3, 0, __RW_MGR_READ_B2B);
-//
+//
// // clear error word
// IOWR_32DIRECT (RW_MGR_RESET_READ_DATAPATH, 0, 0);
-//
+//
// // do read
// IOWR_32DIRECT (RW_MGR_LOOPBACK_MODE, 0, __RW_MGR_READ_B2B);
-//
+//
// // read error word
// readdata = IORD_32DIRECT(BASE_RW_MGR, 0);
-//
+//
// // error word should be 0x00
-//
+//
// // read DI buffer
// readdata = IORD_32DIRECT(RW_MGR_DI_BASE + 0*4, 0);
// readdata = IORD_32DIRECT(RW_MGR_DI_BASE + 1*4, 0);
// readdata = IORD_32DIRECT(RW_MGR_DI_BASE + 2*4, 0);
// readdata = IORD_32DIRECT(RW_MGR_DI_BASE + 3*4, 0);
-//
+//
// // clear error word
// IOWR_32DIRECT (RW_MGR_RESET_READ_DATAPATH, 0, 0);
-//
-// // do dm read
+//
+// // do dm read
// IOWR_32DIRECT (RW_MGR_LOOPBACK_MODE, 0, __RW_MGR_LFSR_WR_RD_DM_BANK_0_WL_1);
-//
+//
// // read error word
// readdata = IORD_32DIRECT(BASE_RW_MGR, 0);
-//
+//
// // error word should be ff
-//
+//
// // read DI buffer
// readdata = IORD_32DIRECT(RW_MGR_DI_BASE + 0*4, 0);
// readdata = IORD_32DIRECT(RW_MGR_DI_BASE + 1*4, 0);
// readdata = IORD_32DIRECT(RW_MGR_DI_BASE + 2*4, 0);
// readdata = IORD_32DIRECT(RW_MGR_DI_BASE + 3*4, 0);
-//
+//
// // exit loopback mode
// IOWR_32DIRECT (BASE_RW_MGR, 0, __RW_MGR_IDLE_LOOP2);
-//
+//
// // start of phy manager access
-//
+//
// readdata = IORD_32DIRECT (PHY_MGR_MAX_RLAT_WIDTH, 0);
// readdata = IORD_32DIRECT (PHY_MGR_MAX_AFI_WLAT_WIDTH, 0);
// readdata = IORD_32DIRECT (PHY_MGR_MAX_AFI_RLAT_WIDTH, 0);
// readdata = IORD_32DIRECT (PHY_MGR_CALIB_SKIP_STEPS, 0);
-// readdata = IORD_32DIRECT (PHY_MGR_CALIB_VFIFO_OFFSET, 0);
+// readdata = IORD_32DIRECT (PHY_MGR_CALIB_VFIFO_OFFSET, 0);
// readdata = IORD_32DIRECT (PHY_MGR_CALIB_LFIFO_OFFSET, 0);
-//
+//
// // start of data manager test
-//
+//
// readdata = IORD_32DIRECT (DATA_MGR_DRAM_CFG , 0);
// readdata = IORD_32DIRECT (DATA_MGR_MEM_T_WL , 0);
// readdata = IORD_32DIRECT (DATA_MGR_MEM_T_ADD , 0);
@@ -1560,7 +1560,7 @@ static inline void rw_mgr_mem_calibrate_read_load_patterns_all_ranks(void)
// readdata = IORD_32DIRECT (DATA_MGR_CS_WIDTH , 0);
// readdata = IORD_32DIRECT (DATA_MGR_ITF_WIDTH , 0);
// readdata = IORD_32DIRECT (DATA_MGR_DVC_WIDTH , 0);
-//
+//
//}
//USER try a read and see if it returns correct data back. has dummy reads inserted into the mix
@@ -1615,7 +1615,7 @@ static uint32_t rw_mgr_mem_calibrate_read_test(uint32_t rank_bgn, uint32_t group
tmp_bit_chk = 0;
for (vg = RW_MGR_MEM_VIRTUAL_GROUPS_PER_READ_DQS - 1;; vg--) {
- //USER reset the fifos to get pointers to known state
+ //USER reset the fifos to get pointers to known state
IOWR_32DIRECT(PHY_MGR_CMD_FIFO_RESET, 0, 0);
IOWR_32DIRECT(RW_MGR_RESET_READ_DATAPATH, 0, 0);
@@ -1664,7 +1664,7 @@ static inline uint32_t rw_mgr_mem_calibrate_read_test_all_ranks(uint32_t group,
static void rw_mgr_incr_vfifo(uint32_t grp, uint32_t * v)
{
- //USER fiddle with FIFO
+ //USER fiddle with FIFO
if (HARD_PHY) {
IOWR_32DIRECT(PHY_MGR_CMD_INC_VFIFO_HARD_PHY, 0, grp);
} else if (QUARTER_RATE_MODE && !HARD_VFIFO) {
@@ -1718,11 +1718,11 @@ static void rw_mgr_decr_vfifo(uint32_t grp, uint32_t * v)
}
}
-//USER find a good dqs enable to use
+//USER find a good dqs enable to use
#if NEWVERSION_DQSEN
-// Navid's version
+// Navid's version
static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
{
@@ -1823,7 +1823,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
}
if (i >= VFIFO_SIZE) {
- //USER cannot find working solution
+ //USER cannot find working solution
DPRINT(2, "find_dqs_en_phase: no vfifo/ptap/dtap");
return 0;
}
@@ -1831,13 +1831,13 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
work_end = work_bgn;
//USER If d is 0 then the working window covers a phase tap and we can follow the old procedure
- //USER otherwise, we've found the beginning, and we need to increment the dtaps until we find the end
+ //USER otherwise, we've found the beginning, and we need to increment the dtaps until we find the end
if (d == 0) {
//USER ********************************************************************
//USER * step 3a: if we have room, back off by one and increment in dtaps *
COV(EN_PHASE_PTAP_OVERLAP);
- //USER Special case code for backing up a phase
+ //USER Special case code for backing up a phase
if (p == 0) {
p = IO_DQS_EN_PHASE_MAX;
rw_mgr_decr_vfifo(grp, &v);
@@ -1864,7 +1864,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
}
}
- //USER We have found a working dtap before the ptap found above
+ //USER We have found a working dtap before the ptap found above
if (found_begin == 1) {
max_working_cnt++;
}
@@ -1915,14 +1915,14 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
}
if (i >= VFIFO_SIZE + 1) {
- //USER cannot see edge of failing read
+ //USER cannot see edge of failing read
DPRINT(2, "find_dqs_en_phase: end: failed");
return 0;
}
//USER *********************************************************
//USER * step 5a: back off one from last, increment in dtaps *
- //USER Special case code for backing up a phase
+ //USER Special case code for backing up a phase
if (p == 0) {
p = IO_DQS_EN_PHASE_MAX;
rw_mgr_decr_vfifo(grp, &v);
@@ -1941,7 +1941,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
} else {
//USER ********************************************************************
- //USER * step 3-5b: Find the right edge of the window using delay taps *
+ //USER * step 3-5b: Find the right edge of the window using delay taps *
COV(EN_PHASE_PTAP_NO_OVERLAP);
DPRINT(2, "find_dqs_en_phase: begin found: vfifo=%lu ptap=%lu dtap=%lu begin=%lu",
@@ -1956,7 +1956,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
//USER * The actual increment of dtaps is done outside of the if/else loop to share code
//USER Only here to counterbalance a subtract later on which is not needed if this branch
- //USER of the algorithm is taken
+ //USER of the algorithm is taken
max_working_cnt++;
}
@@ -1971,7 +1971,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
}
}
- //USER Go back to working dtap
+ //USER Go back to working dtap
if (d != 0) {
work_end -= IO_DELAY_PER_DQS_EN_DCHAIN_TAP;
}
@@ -1984,9 +1984,9 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
BFM_GBL_SET(dqs_enable_right_edge[grp].ps, work_end);
if (work_end >= work_bgn) {
- //USER we have a working range
+ //USER we have a working range
} else {
- //USER nil range
+ //USER nil range
DPRINT(2, "find_dqs_en_phase: end-2: failed");
return 0;
}
@@ -1995,12 +1995,12 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
// ***************************************************************
//USER * We need to calculate the number of dtaps that equal a ptap
- //USER * To do that we'll back up a ptap and re-find the edge of the
+ //USER * To do that we'll back up a ptap and re-find the edge of the
//USER * window using dtaps
DPRINT(2, "find_dqs_en_phase: calculate dtaps_per_ptap for tracking");
- //USER Special case code for backing up a phase
+ //USER Special case code for backing up a phase
if (p == 0) {
p = IO_DQS_EN_PHASE_MAX;
rw_mgr_decr_vfifo(grp, &v);
@@ -2033,7 +2033,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
}
if (found_passing_read) {
- //USER Find a failing read
+ //USER Find a failing read
DPRINT(2, "find_dqs_en_phase: find failing read");
for (d = d + 1; d <= IO_DQS_EN_DELAY_MAX; d++) {
DPRINT(2, "find_dqs_en_phase: testing read d=%lu", d);
@@ -2069,7 +2069,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
tmp_delay = 0;
DPRINT(2, "work_bgn=%ld work_end=%ld work_mid=%ld", work_bgn, work_end, work_mid);
- //USER Get the middle delay to be less than a VFIFO delay
+ //USER Get the middle delay to be less than a VFIFO delay
for (p = 0; p <= IO_DQS_EN_PHASE_MAX; p++, tmp_delay += IO_DELAY_PER_OPA_TAP) ;
DPRINT(2, "vfifo ptap delay %ld", tmp_delay);
while (work_mid > tmp_delay)
@@ -2113,7 +2113,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
}
#if 0
-// Ryan's algorithm
+// Ryan's algorithm
static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
{
@@ -2201,20 +2201,20 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
}
if (i >= VFIFO_SIZE) {
- //USER cannot find working solution
+ //USER cannot find working solution
return 0;
}
min_working_p = p;
//USER If d is 0 then the working window covers a phase tap and we can follow the old procedure
- //USER otherwise, we've found the beginning, and we need to increment the dtaps until we find the end
+ //USER otherwise, we've found the beginning, and we need to increment the dtaps until we find the end
if (d == 0) {
//USER ********************************************************************
//USER * step 3a: if we have room, back off by one and increment in dtaps *
min_working_d = 0;
- //USER Special case code for backing up a phase
+ //USER Special case code for backing up a phase
if (p == 0) {
p = IO_DQS_EN_PHASE_MAX;
rw_mgr_decr_vfifo(grp, &v);
@@ -2235,12 +2235,12 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
}
}
- //USER We have found a working dtap before the ptap found above
+ //USER We have found a working dtap before the ptap found above
if (found_begin == 1) {
min_working_p = p;
max_working_cnt++;
}
- //USER Restore VFIFO to old state before we decremented it
+ //USER Restore VFIFO to old state before we decremented it
p = p + 1;
if (p > IO_DQS_EN_PHASE_MAX) {
p = 0;
@@ -2284,14 +2284,14 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
}
if (i >= VFIFO_SIZE + 1) {
- //USER cannot see edge of failing read
+ //USER cannot see edge of failing read
return 0;
}
//USER *********************************************************
//USER * step 5a: back off one from last, increment in dtaps *
max_working_d = 0;
- //USER Special case code for backing up a phase
+ //USER Special case code for backing up a phase
if (p == 0) {
p = IO_DQS_EN_PHASE_MAX;
rw_mgr_decr_vfifo(grp, &v);
@@ -2311,7 +2311,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
}
}
- //USER Go back to working dtap
+ //USER Go back to working dtap
if (d != 0) {
max_working_d = d - 1;
}
@@ -2319,7 +2319,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
} else {
//USER ********************************************************************
- //USER * step 3-5b: Find the right edge of the window using delay taps *
+ //USER * step 3-5b: Find the right edge of the window using delay taps *
max_working_p = min_working_p;
min_working_d = d;
@@ -2333,12 +2333,12 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
}
}
- //USER Go back to working dtap
+ //USER Go back to working dtap
if (d != 0) {
max_working_d = d - 1;
}
//USER Only here to counterbalance a subtract later on which is not needed if this branch
- //USER of the algorithm is taken
+ //USER of the algorithm is taken
max_working_cnt++;
}
@@ -2346,11 +2346,11 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
//USER * step 6: Find the centre of the window *
//USER If the number of working phases is even we will step back a phase and find the
- //USER edge with a larger delay chain tap
+ //USER edge with a larger delay chain tap
if ((max_working_cnt & 1) == 0) {
p = min_working_p + (max_working_cnt - 1) / 2;
- //USER Special case code for backing up a phase
+ //USER Special case code for backing up a phase
if (max_working_p == 0) {
max_working_p = IO_DQS_EN_PHASE_MAX;
rw_mgr_decr_vfifo(grp, &v);
@@ -2378,7 +2378,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
}
}
- //USER Go back to working dtap
+ //USER Go back to working dtap
if (d != 0) {
max_working_d = d - 1;
}
@@ -2395,7 +2395,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
scc_mgr_set_dqs_en_phase_all_ranks(grp, p);
scc_mgr_set_dqs_en_delay_all_ranks(grp, d);
- //USER push vfifo until we can successfully calibrate
+ //USER push vfifo until we can successfully calibrate
for (i = 0; i < VFIFO_SIZE; i++) {
if (rw_mgr_mem_calibrate_read_test_all_ranks(grp, 1, PASS_ONE_BIT, &bit_chk, 0)) {
@@ -2415,7 +2415,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
#endif
#else
-// Val's original version
+// Val's original version
static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
{
@@ -2432,7 +2432,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
fail_cnt = 0;
- //USER first push vfifo until we get a failing read
+ //USER first push vfifo until we get a failing read
v = 0;
for (i = 0; i < VFIFO_SIZE; i++) {
if (!rw_mgr_mem_calibrate_read_test_all_ranks(grp, 1, PASS_ONE_BIT, &bit_chk, 0)) {
@@ -2462,7 +2462,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
rw_mgr_mem_calibrate_read_test_all_ranks(grp, NUM_READ_PB_TESTS,
PASS_ONE_BIT, &bit_chk, 0);
if (bit_chk) {
- //USER passing read
+ //USER passing read
if (max_working_cnt == 0) {
min_working_d = d;
@@ -2471,7 +2471,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
max_working_cnt++;
} else {
if (max_working_cnt > 0) {
- //USER already have one working value
+ //USER already have one working value
break;
}
}
@@ -2481,7 +2481,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
//USER fiddle with FIFO
rw_mgr_incr_vfifo(grp, &v);
} else {
- //USER found working solution!
+ //USER found working solution!
d = min_working_d + (max_working_cnt - 1) / 2;
@@ -2494,16 +2494,16 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
}
if (i >= VFIFO_SIZE + 1) {
- //USER cannot find working solution or cannot see edge of failing read
+ //USER cannot find working solution or cannot see edge of failing read
return 0;
}
- //USER in the case the number of working steps is even, use 50ps taps to further center the window
+ //USER in the case the number of working steps is even, use 50ps taps to further center the window
if ((max_working_cnt & 1) == 0) {
delay_per_ptap_mid = IO_DELAY_PER_OPA_TAP / 2;
- //USER increment in 50ps taps until we reach the required amount
+ //USER increment in 50ps taps until we reach the required amount
for (i = 0, j = 0; i <= IO_DQS_EN_DELAY_MAX && j < delay_per_ptap_mid;
i++, j += IO_DELAY_PER_DQS_EN_DCHAIN_TAP) ;
@@ -2513,7 +2513,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase(uint32_t grp)
scc_mgr_set_dqs_en_phase_all_ranks(grp, d);
- //USER push vfifo until we can successfully calibrate
+ //USER push vfifo until we can successfully calibrate
for (i = 0; i < VFIFO_SIZE; i++) {
if (rw_mgr_mem_calibrate_read_test_all_ranks
@@ -2582,7 +2582,7 @@ static inline uint32_t rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase_sweep_dq_in_
return found;
}
-//USER per-bit deskew DQ and center
+//USER per-bit deskew DQ and center
#if NEWVERSION_RDDESKEW
@@ -2610,10 +2610,10 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_center(uint32_t rank_bgn, uint32_t wr
select_curr_shadow_reg_using_rank(rank_bgn);
- //USER per-bit deskew
+ //USER per-bit deskew
- //USER set the left and right edge of each bit to an illegal value
- //USER use (IO_IO_IN_DELAY_MAX + 1) as an illegal value
+ //USER set the left and right edge of each bit to an illegal value
+ //USER use (IO_IO_IN_DELAY_MAX + 1) as an illegal value
sticky_bit_chk = 0;
for (i = 0; i < RW_MGR_MEM_DQ_PER_READ_DQS; i++) {
left_edge[i] = IO_IO_IN_DELAY_MAX + 1;
@@ -2654,7 +2654,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_center(uint32_t rank_bgn, uint32_t wr
//USER Remember a passing test as the left_edge
left_edge[i] = d;
} else {
- //USER If a left edge has not been seen yet, then a future passing test will mark this edge as the right edge
+ //USER If a left edge has not been seen yet, then a future passing test will mark this edge as the right edge
if (left_edge[i] == IO_IO_IN_DELAY_MAX + 1) {
right_edge[i] = -(d + 1);
}
@@ -2667,7 +2667,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_center(uint32_t rank_bgn, uint32_t wr
}
}
- //USER Reset DQ delay chains to 0
+ //USER Reset DQ delay chains to 0
scc_mgr_apply_group_dq_in_delay(write_group, test_bgn, 0);
sticky_bit_chk = 0;
for (i = RW_MGR_MEM_DQ_PER_READ_DQS - 1;; i--) {
@@ -2675,14 +2675,14 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_center(uint32_t rank_bgn, uint32_t wr
DPRINT(2, "vfifo_center: left_edge[%lu]: %ld right_edge[%lu]: %ld", i, left_edge[i],
i, right_edge[i]);
- //USER Check for cases where we haven't found the left edge, which makes our assignment of the the
- //USER right edge invalid. Reset it to the illegal value.
+ //USER Check for cases where we haven't found the left edge, which makes our assignment of the the
+ //USER right edge invalid. Reset it to the illegal value.
if ((left_edge[i] == IO_IO_IN_DELAY_MAX + 1)
&& (right_edge[i] != IO_IO_IN_DELAY_MAX + 1)) {
right_edge[i] = IO_IO_IN_DELAY_MAX + 1;
DPRINT(2, "vfifo_center: reset right_edge[%lu]: %ld", i, right_edge[i]);
}
- //USER Reset sticky bit (except for bits where we have seen both the left and right edge)
+ //USER Reset sticky bit (except for bits where we have seen both the left and right edge)
sticky_bit_chk = sticky_bit_chk << 1;
if ((left_edge[i] != IO_IO_IN_DELAY_MAX + 1)
&& (right_edge[i] != IO_IO_IN_DELAY_MAX + 1)) {
@@ -2694,7 +2694,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_center(uint32_t rank_bgn, uint32_t wr
}
}
- //USER Search for the right edge of the window for each bit
+ //USER Search for the right edge of the window for each bit
for (d = 0; d <= IO_DQS_IN_DELAY_MAX - start_dqs; d++) {
scc_mgr_set_dqs_bus_in_delay(read_group, d + start_dqs);
if (IO_SHIFT_DQS_EN_WHEN_SHIFT_DQS) {
@@ -2708,7 +2708,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_center(uint32_t rank_bgn, uint32_t wr
IOWR_32DIRECT(SCC_MGR_UPD, 0, 0);
- //USER Stop searching when the read test doesn't pass AND when we've seen a passing read on every bit
+ //USER Stop searching when the read test doesn't pass AND when we've seen a passing read on every bit
if (use_read_test) {
stop =
!rw_mgr_mem_calibrate_read_test(rank_bgn, read_group, NUM_READ_PB_TESTS,
@@ -2734,11 +2734,11 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_center(uint32_t rank_bgn, uint32_t wr
} else {
for (i = 0; i < RW_MGR_MEM_DQ_PER_READ_DQS; i++) {
if (bit_chk & 1) {
- //USER Remember a passing test as the right_edge
+ //USER Remember a passing test as the right_edge
right_edge[i] = d;
} else {
if (d != 0) {
- //USER If a right edge has not been seen yet, then a future passing test will mark this edge as the left edge
+ //USER If a right edge has not been seen yet, then a future passing test will mark this edge as the left edge
if (right_edge[i] == IO_IO_IN_DELAY_MAX + 1) {
left_edge[i] = -(d + 1);
}
@@ -2748,7 +2748,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_center(uint32_t rank_bgn, uint32_t wr
&& left_edge[i] != IO_IO_IN_DELAY_MAX + 1) {
right_edge[i] = -1;
}
- //USER If a right edge has not been seen yet, then a future passing test will mark this edge as the left edge
+ //USER If a right edge has not been seen yet, then a future passing test will mark this edge as the left edge
else if (right_edge[i] == IO_IO_IN_DELAY_MAX + 1) {
left_edge[i] = -(d + 1);
}
@@ -2775,7 +2775,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_center(uint32_t rank_bgn, uint32_t wr
if ((left_edge[i] == IO_IO_IN_DELAY_MAX + 1)
|| (right_edge[i] == IO_IO_IN_DELAY_MAX + 1)) {
- //USER Restore delay chain settings before letting the loop in
+ //USER Restore delay chain settings before letting the loop in
//USER rw_mgr_mem_calibrate_vfifo to retry different dqs/ck relationships
scc_mgr_set_dqs_bus_in_delay(read_group, start_dqs);
if (IO_SHIFT_DQS_EN_WHEN_SHIFT_DQS) {
@@ -2798,7 +2798,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_center(uint32_t rank_bgn, uint32_t wr
}
}
- //USER Find middle of window for each DQ bit
+ //USER Find middle of window for each DQ bit
mid_min = left_edge[0] - right_edge[0];
min_index = 0;
for (i = 1; i < RW_MGR_MEM_DQ_PER_READ_DQS; i++) {
@@ -2841,13 +2841,13 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_center(uint32_t rank_bgn, uint32_t wr
DPRINT(1, "vfifo_center: start_dqs=%ld start_dqs_en=%ld new_dqs=%ld mid_min=%ld",
start_dqs, IO_SHIFT_DQS_EN_WHEN_SHIFT_DQS ? start_dqs_en : -1, new_dqs, mid_min);
- //USER Initialize data for export structures
+ //USER Initialize data for export structures
dqs_margin = IO_IO_IN_DELAY_MAX + 1;
dq_margin = IO_IO_IN_DELAY_MAX + 1;
- //USER add delay to bring centre of all DQ windows to the same "level"
+ //USER add delay to bring centre of all DQ windows to the same "level"
for (i = 0, p = test_bgn; i < RW_MGR_MEM_DQ_PER_READ_DQS; i++, p++) {
- //USER Use values before divide by 2 to reduce round off error
+ //USER Use values before divide by 2 to reduce round off error
shift_dq =
(left_edge[i] - right_edge[i] -
(left_edge[min_index] - right_edge[min_index])) / 2 + (orig_mid_min - mid_min);
@@ -2866,7 +2866,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_center(uint32_t rank_bgn, uint32_t wr
DPRINT(2, "vfifo_center: margin[%lu]=[%ld,%ld]", i,
left_edge[i] - shift_dq + (-mid_min), right_edge[i] + shift_dq - (-mid_min));
- //USER To determine values for export structures
+ //USER To determine values for export structures
if (left_edge[i] - shift_dq + (-mid_min) < dq_margin) {
dq_margin = left_edge[i] - shift_dq + (-mid_min);
}
@@ -2889,7 +2889,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_center(uint32_t rank_bgn, uint32_t wr
scc_mgr_load_dqs(read_group);
if (update_fom) {
- //USER Export values
+ //USER Export values
gbl->fom_in +=
(dq_margin +
dqs_margin) / (RW_MGR_MEM_IF_READ_DQS_WIDTH / RW_MGR_MEM_IF_WRITE_DQS_WIDTH);
@@ -2940,7 +2940,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_center(uint32_t rank_bgn, uint32_t gr
}
}
- //USER determine minimum working value for DQ
+ //USER determine minimum working value for DQ
dq_margin = IO_IO_IN_DELAY_MAX;
@@ -2950,7 +2950,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_center(uint32_t rank_bgn, uint32_t gr
}
}
- //USER add delay to bring all DQ windows to the same "level"
+ //USER add delay to bring all DQ windows to the same "level"
for (i = 0, p = test_bgn; i < RW_MGR_MEM_DQ_PER_READ_DQS; i++, p++) {
if (max_working_dq[i] > dq_margin) {
@@ -2981,11 +2981,11 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_center(uint32_t rank_bgn, uint32_t gr
scc_mgr_set_dqs_bus_in_delay(grp, start_dqs);
- //USER margin on the DQS pin
+ //USER margin on the DQS pin
dqs_margin = d - start_dqs - 1;
- //USER find mid point, +1 so that we don't go crazy pushing DQ
+ //USER find mid point, +1 so that we don't go crazy pushing DQ
mid = (dq_margin + dqs_margin + 1) / 2;
@@ -2993,7 +2993,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_center(uint32_t rank_bgn, uint32_t gr
// TCLRPT_SET(debug_summary_report->fom_in, debug_summary_report->fom_in + (dq_margin + dqs_margin));
// TCLRPT_SET(debug_cal_report->cal_status_per_group[grp].fom_in, (dq_margin + dqs_margin));
- //USER center DQS ... if the headroom is setup properly we shouldn't need to
+ //USER center DQS ... if the headroom is setup properly we shouldn't need to
if (dqs_margin > mid) {
scc_mgr_set_dqs_bus_in_delay(grp, READ_SCC_DQS_IN_DELAY(grp) + dqs_margin - mid);
@@ -3011,7 +3011,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_center(uint32_t rank_bgn, uint32_t gr
scc_mgr_load_dqs(grp);
- //USER center DQ
+ //USER center DQ
if (dq_margin > mid) {
for (i = 0, p = test_bgn; i < RW_MGR_MEM_DQ_PER_READ_DQS; i++, p++) {
@@ -3032,7 +3032,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_center(uint32_t rank_bgn, uint32_t gr
#endif
//USER calibrate the read valid prediction FIFO.
-//USER
+//USER
//USER - read valid prediction will consist of finding a good DQS enable phase, DQS enable delay, DQS input phase, and DQS input delay.
//USER - we also do a per-bit deskew on the DQ lines.
@@ -3050,7 +3050,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo(uint32_t read_group, uint32_t test_bg
uint32_t failed_substage;
uint32_t dqs_in_dtaps, orig_start_dqs;
- //USER update info for sims
+ //USER update info for sims
reg_file_set_stage(CAL_STAGE_VFIFO);
@@ -3074,7 +3074,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo(uint32_t read_group, uint32_t test_bg
dtaps_per_ptap--;
tmp_delay = 0;
}
- //USER update info for sims
+ //USER update info for sims
reg_file_set_group(read_group);
@@ -3095,7 +3095,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo(uint32_t read_group, uint32_t test_bg
}
for (p = 0; p <= IO_DQDQS_OUT_PHASE_MAX && grp_calibrated == 0; p++) {
- //USER set a particular dqdqs phase
+ //USER set a particular dqdqs phase
if (DDRX) {
scc_mgr_set_dqdqs_output_phase_all_ranks(read_group, p);
}
@@ -3111,7 +3111,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo(uint32_t read_group, uint32_t test_bg
BFM_GBL_SET(gwrite_pos[read_group].p, p);
BFM_GBL_SET(gwrite_pos[read_group].d, d);
- //USER Load up the patterns used by read calibration using current DQDQS phase
+ //USER Load up the patterns used by read calibration using current DQDQS phase
rw_mgr_mem_calibrate_read_load_patterns_all_ranks();
@@ -3209,7 +3209,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo(uint32_t g, uint32_t test_bgn)
uint32_t grp_calibrated;
uint32_t failed_substage;
- //USER update info for sims
+ //USER update info for sims
reg_file_set_stage(CAL_STAGE_VFIFO);
@@ -3217,18 +3217,18 @@ static uint32_t rw_mgr_mem_calibrate_vfifo(uint32_t g, uint32_t test_bgn)
failed_substage = CAL_SUBSTAGE_GUARANTEED_READ;
- //USER update info for sims
+ //USER update info for sims
reg_file_set_group(g);
grp_calibrated = 0;
for (p = 0; p <= IO_DQDQS_OUT_PHASE_MAX && grp_calibrated == 0; p++) {
- //USER set a particular dqdqs phase
+ //USER set a particular dqdqs phase
if (DDRX) {
scc_mgr_set_dqdqs_output_phase_all_ranks(g, p);
}
- //USER Load up the patterns used by read calibration using current DQDQS phase
+ //USER Load up the patterns used by read calibration using current DQDQS phase
rw_mgr_mem_calibrate_read_load_patterns_all_ranks();
if (!(gbl->phy_debug_mode_flags & PHY_DEBUG_DISABLE_GUARANTEED_READ)) {
@@ -3280,7 +3280,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_end(uint32_t read_group, uint32_t tes
uint32_t grp_calibrated;
uint32_t write_group;
- //USER update info for sims
+ //USER update info for sims
reg_file_set_stage(CAL_STAGE_VFIFO_AFTER_WRITES);
reg_file_set_sub_stage(CAL_SUBSTAGE_VFIFO_CENTER);
@@ -3292,7 +3292,7 @@ static uint32_t rw_mgr_mem_calibrate_vfifo_end(uint32_t read_group, uint32_t tes
read_group / (RW_MGR_MEM_IF_READ_DQS_WIDTH / RW_MGR_MEM_IF_WRITE_DQS_WIDTH);
}
- //USER update info for sims
+ //USER update info for sims
reg_file_set_group(read_group);
grp_calibrated = 1;
@@ -3330,7 +3330,7 @@ static uint32_t rw_mgr_mem_calibrate_lfifo(void)
uint32_t found_one;
t_btfld bit_chk;
- //USER update info for sims
+ //USER update info for sims
reg_file_set_stage(CAL_STAGE_LFIFO);
reg_file_set_sub_stage(CAL_SUBSTAGE_READ_LATENCY);
@@ -3358,12 +3358,12 @@ static uint32_t rw_mgr_mem_calibrate_lfifo(void)
gbl->curr_read_lat--;
} while (gbl->curr_read_lat > 0);
- //USER reset the fifos to get pointers to known state
+ //USER reset the fifos to get pointers to known state
IOWR_32DIRECT(PHY_MGR_CMD_FIFO_RESET, 0, 0);
if (found_one) {
- //USER add a fudge factor to the read latency that was determined
+ //USER add a fudge factor to the read latency that was determined
gbl->curr_read_lat += 2;
IOWR_32DIRECT(PHY_MGR_PHY_RLAT, 0, gbl->curr_read_lat);
@@ -3508,13 +3508,13 @@ static uint32_t rw_mgr_mem_calibrate_write_test(uint32_t rank_bgn, uint32_t writ
continue;
}
- //USER set rank
+ //USER set rank
set_rank_and_odt_mask(r, RW_MGR_ODT_MODE_READ_WRITE);
tmp_bit_chk = 0;
for (vg = RW_MGR_MEM_VIRTUAL_GROUPS_PER_WRITE_DQS - 1;; vg--) {
- //USER reset the fifos to get pointers to known state
+ //USER reset the fifos to get pointers to known state
IOWR_32DIRECT(PHY_MGR_CMD_FIFO_RESET, 0, 0);
tmp_bit_chk =
@@ -3584,24 +3584,24 @@ static uint32_t rw_mgr_mem_calibrate_wlevel(uint32_t g, uint32_t test_bgn)
reg_file_set_stage(CAL_STAGE_WLEVEL);
reg_file_set_sub_stage(CAL_SUBSTAGE_WORKING_DELAY);
- //USER maximum phases for the sweep
+ //USER maximum phases for the sweep
dtaps_per_ptap = IORD_32DIRECT(REG_FILE_DTAPS_PER_PTAP, 0);
- //USER starting phases
+ //USER starting phases
//USER update info for sims
reg_file_set_group(g);
- //USER starting and end range where writes work
+ //USER starting and end range where writes work
scc_mgr_spread_out2_delay_all_ranks(g, test_bgn);
work_bgn = 0;
work_end = 0;
- //USER step 1: find first working phase, increment in ptaps, and then in dtaps if ptaps doesn't find a working phase
+ //USER step 1: find first working phase, increment in ptaps, and then in dtaps if ptaps doesn't find a working phase
found_begin = 0;
tmp_delay = 0;
for (d = 0; d <= dtaps_per_ptap; d++, tmp_delay += IO_DELAY_PER_DCHAIN_TAP) {
@@ -3627,7 +3627,7 @@ static uint32_t rw_mgr_mem_calibrate_wlevel(uint32_t g, uint32_t test_bgn)
}
if (p > IO_DQDQS_OUT_PHASE_MAX + num_additional_fr_cycles * IO_DLL_CHAIN_LENGTH) {
- //USER fail, cannot find first working phase
+ //USER fail, cannot find first working phase
set_failing_group_stage(g, CAL_STAGE_WLEVEL, CAL_SUBSTAGE_WORKING_DELAY);
@@ -3639,12 +3639,12 @@ static uint32_t rw_mgr_mem_calibrate_wlevel(uint32_t g, uint32_t test_bgn)
reg_file_set_sub_stage(CAL_SUBSTAGE_LAST_WORKING_DELAY);
//USER If d is 0 then the working window covers a phase tap and we can follow the old procedure
- //USER otherwise, we've found the beginning, and we need to increment the dtaps until we find the end
+ //USER otherwise, we've found the beginning, and we need to increment the dtaps until we find the end
if (d == 0) {
COV(WLEVEL_PHASE_PTAP_OVERLAP);
work_end = work_bgn + IO_DELAY_PER_OPA_TAP;
- //USER step 2: if we have room, back off by one and increment in dtaps
+ //USER step 2: if we have room, back off by one and increment in dtaps
if (p > 0) {
int found = 0;
@@ -3693,7 +3693,7 @@ static uint32_t rw_mgr_mem_calibrate_wlevel(uint32_t g, uint32_t test_bgn)
BFM_GBL_SET(dqs_wlevel_left_edge[g].ps, work_bgn);
}
- //USER step 3: go forward from working phase to non working phase, increment in ptaps
+ //USER step 3: go forward from working phase to non working phase, increment in ptaps
for (p = p + 1;
p <= IO_DQDQS_OUT_PHASE_MAX + num_additional_fr_cycles * IO_DLL_CHAIN_LENGTH;
@@ -3707,7 +3707,7 @@ static uint32_t rw_mgr_mem_calibrate_wlevel(uint32_t g, uint32_t test_bgn)
}
}
- //USER step 4: back off one from last, increment in dtaps
+ //USER step 4: back off one from last, increment in dtaps
//USER The actual increment is done outside the if/else statement since it is shared with other code
p = p - 1;
@@ -3743,9 +3743,9 @@ static uint32_t rw_mgr_mem_calibrate_wlevel(uint32_t g, uint32_t test_bgn)
work_end -= IO_DELAY_PER_DCHAIN_TAP;
if (work_end >= work_bgn) {
- //USER we have a working range
+ //USER we have a working range
} else {
- //USER nil range
+ //USER nil range
set_failing_group_stage(g, CAL_STAGE_WLEVEL, CAL_SUBSTAGE_LAST_WORKING_DELAY);
@@ -3757,7 +3757,7 @@ static uint32_t rw_mgr_mem_calibrate_wlevel(uint32_t g, uint32_t test_bgn)
BFM_GBL_SET(dqs_wlevel_right_edge[g].d, d - 1);
BFM_GBL_SET(dqs_wlevel_right_edge[g].ps, work_end);
- //USER center
+ //USER center
work_mid = (work_bgn + work_end) / 2;
@@ -3819,20 +3819,20 @@ static uint32_t rw_mgr_mem_calibrate_wlevel(uint32_t g, uint32_t test_bgn)
reg_file_set_stage(CAL_STAGE_WLEVEL);
reg_file_set_sub_stage(CAL_SUBSTAGE_WORKING_DELAY);
- //USER maximum phases for the sweep
+ //USER maximum phases for the sweep
- //USER starting phases
+ //USER starting phases
//USER update info for sims
reg_file_set_group(g);
- //USER starting and end range where writes work
+ //USER starting and end range where writes work
work_bgn = 0;
work_end = 0;
- //USER step 1: find first working phase, increment in ptaps
+ //USER step 1: find first working phase, increment in ptaps
for (p = 0; p <= IO_DQDQS_OUT_PHASE_MAX; p++, work_bgn += IO_DELAY_PER_OPA_TAP) {
scc_mgr_set_dqdqs_output_phase_all_ranks(g, p);
@@ -3843,7 +3843,7 @@ static uint32_t rw_mgr_mem_calibrate_wlevel(uint32_t g, uint32_t test_bgn)
}
if (p > IO_DQDQS_OUT_PHASE_MAX) {
- //USER fail, cannot find first working phase
+ //USER fail, cannot find first working phase
set_failing_group_stage(g, CAL_STAGE_WLEVEL, CAL_SUBSTAGE_WORKING_DELAY);
@@ -3854,7 +3854,7 @@ static uint32_t rw_mgr_mem_calibrate_wlevel(uint32_t g, uint32_t test_bgn)
reg_file_set_sub_stage(CAL_SUBSTAGE_LAST_WORKING_DELAY);
- //USER step 2: if we have room, back off by one and increment in dtaps
+ //USER step 2: if we have room, back off by one and increment in dtaps
if (p > 0) {
scc_mgr_set_dqdqs_output_phase_all_ranks(g, p - 1);
@@ -3873,7 +3873,7 @@ static uint32_t rw_mgr_mem_calibrate_wlevel(uint32_t g, uint32_t test_bgn)
scc_mgr_apply_group_all_out_delay_all_ranks(g, test_bgn, 0);
}
- //USER step 3: go forward from working phase to non working phase, increment in ptaps
+ //USER step 3: go forward from working phase to non working phase, increment in ptaps
for (p = p + 1; p <= IO_DQDQS_OUT_PHASE_MAX; p++, work_end += IO_DELAY_PER_OPA_TAP) {
scc_mgr_set_dqdqs_output_phase_all_ranks(g, p);
@@ -3883,7 +3883,7 @@ static uint32_t rw_mgr_mem_calibrate_wlevel(uint32_t g, uint32_t test_bgn)
}
}
- //USER step 4: back off one from last, increment in dtaps
+ //USER step 4: back off one from last, increment in dtaps
scc_mgr_set_dqdqs_output_phase_all_ranks(g, p - 1);
@@ -3900,16 +3900,16 @@ static uint32_t rw_mgr_mem_calibrate_wlevel(uint32_t g, uint32_t test_bgn)
scc_mgr_apply_group_all_out_delay_all_ranks(g, test_bgn, 0);
if (work_end > work_bgn) {
- //USER we have a working range
+ //USER we have a working range
} else {
- //USER nil range
+ //USER nil range
set_failing_group_stage(g, CAL_STAGE_WLEVEL, CAL_SUBSTAGE_LAST_WORKING_DELAY);
return 0;
}
- //USER center
+ //USER center
work_mid = (work_bgn + work_end) / 2;
@@ -3963,9 +3963,9 @@ static uint32_t rw_mgr_mem_calibrate_writes_center(uint32_t rank_bgn, uint32_t w
select_curr_shadow_reg_using_rank(rank_bgn);
- //USER per-bit deskew
+ //USER per-bit deskew
- //USER set the left and right edge of each bit to an illegal value
+ //USER set the left and right edge of each bit to an illegal value
//USER use (IO_IO_OUT1_DELAY_MAX + 1) as an illegal value
sticky_bit_chk = 0;
for (i = 0; i < RW_MGR_MEM_DQ_PER_WRITE_DQS; i++) {
@@ -3979,7 +3979,7 @@ static uint32_t rw_mgr_mem_calibrate_writes_center(uint32_t rank_bgn, uint32_t w
IOWR_32DIRECT(SCC_MGR_UPD, 0, 0);
- //USER Stop searching when the read test doesn't pass AND when we've seen a passing read on every bit
+ //USER Stop searching when the read test doesn't pass AND when we've seen a passing read on every bit
stop =
!rw_mgr_mem_calibrate_write_test(rank_bgn, write_group, 0, PASS_ONE_BIT,
&bit_chk, 0);
@@ -3998,7 +3998,7 @@ static uint32_t rw_mgr_mem_calibrate_writes_center(uint32_t rank_bgn, uint32_t w
//USER Remember a passing test as the left_edge
left_edge[i] = d;
} else {
- //USER If a left edge has not been seen yet, then a future passing test will mark this edge as the right edge
+ //USER If a left edge has not been seen yet, then a future passing test will mark this edge as the right edge
if (left_edge[i] == IO_IO_OUT1_DELAY_MAX + 1) {
right_edge[i] = -(d + 1);
}
@@ -4011,7 +4011,7 @@ static uint32_t rw_mgr_mem_calibrate_writes_center(uint32_t rank_bgn, uint32_t w
}
}
- //USER Reset DQ delay chains to 0
+ //USER Reset DQ delay chains to 0
scc_mgr_apply_group_dq_out1_delay(write_group, test_bgn, 0);
sticky_bit_chk = 0;
for (i = RW_MGR_MEM_DQ_PER_WRITE_DQS - 1;; i--) {
@@ -4019,14 +4019,14 @@ static uint32_t rw_mgr_mem_calibrate_writes_center(uint32_t rank_bgn, uint32_t w
DPRINT(2, "write_center: left_edge[%lu]: %ld right_edge[%lu]: %ld", i, left_edge[i],
i, right_edge[i]);
- //USER Check for cases where we haven't found the left edge, which makes our assignment of the the
- //USER right edge invalid. Reset it to the illegal value.
+ //USER Check for cases where we haven't found the left edge, which makes our assignment of the the
+ //USER right edge invalid. Reset it to the illegal value.
if ((left_edge[i] == IO_IO_OUT1_DELAY_MAX + 1)
&& (right_edge[i] != IO_IO_OUT1_DELAY_MAX + 1)) {
right_edge[i] = IO_IO_OUT1_DELAY_MAX + 1;
DPRINT(2, "write_center: reset right_edge[%lu]: %ld", i, right_edge[i]);
}
- //USER Reset sticky bit (except for bits where we have seen the left edge)
+ //USER Reset sticky bit (except for bits where we have seen the left edge)
sticky_bit_chk = sticky_bit_chk << 1;
if ((left_edge[i] != IO_IO_OUT1_DELAY_MAX + 1)) {
sticky_bit_chk = sticky_bit_chk | 1;
@@ -4037,7 +4037,7 @@ static uint32_t rw_mgr_mem_calibrate_writes_center(uint32_t rank_bgn, uint32_t w
}
}
- //USER Search for the right edge of the window for each bit
+ //USER Search for the right edge of the window for each bit
for (d = 0; d <= IO_IO_OUT1_DELAY_MAX - start_dqs; d++) {
scc_mgr_apply_group_dqs_io_and_oct_out1(write_group, d + start_dqs);
@@ -4045,7 +4045,7 @@ static uint32_t rw_mgr_mem_calibrate_writes_center(uint32_t rank_bgn, uint32_t w
if (QDRII) {
rw_mgr_mem_dll_lock_wait();
}
- //USER Stop searching when the read test doesn't pass AND when we've seen a passing read on every bit
+ //USER Stop searching when the read test doesn't pass AND when we've seen a passing read on every bit
stop =
!rw_mgr_mem_calibrate_write_test(rank_bgn, write_group, 0, PASS_ONE_BIT,
&bit_chk, 0);
@@ -4072,11 +4072,11 @@ static uint32_t rw_mgr_mem_calibrate_writes_center(uint32_t rank_bgn, uint32_t w
} else {
for (i = 0; i < RW_MGR_MEM_DQ_PER_WRITE_DQS; i++) {
if (bit_chk & 1) {
- //USER Remember a passing test as the right_edge
+ //USER Remember a passing test as the right_edge
right_edge[i] = d;
} else {
if (d != 0) {
- //USER If a right edge has not been seen yet, then a future passing test will mark this edge as the left edge
+ //USER If a right edge has not been seen yet, then a future passing test will mark this edge as the left edge
if (right_edge[i] == IO_IO_OUT1_DELAY_MAX + 1) {
left_edge[i] = -(d + 1);
}
@@ -4086,7 +4086,7 @@ static uint32_t rw_mgr_mem_calibrate_writes_center(uint32_t rank_bgn, uint32_t w
&& left_edge[i] != IO_IO_OUT1_DELAY_MAX + 1) {
right_edge[i] = -1;
}
- //USER If a right edge has not been seen yet, then a future passing test will mark this edge as the left edge
+ //USER If a right edge has not been seen yet, then a future passing test will mark this edge as the left edge
else if (right_edge[i] == IO_IO_OUT1_DELAY_MAX + 1) {
left_edge[i] = -(d + 1);
}
@@ -4114,7 +4114,7 @@ static uint32_t rw_mgr_mem_calibrate_writes_center(uint32_t rank_bgn, uint32_t w
}
}
- //USER Find middle of window for each DQ bit
+ //USER Find middle of window for each DQ bit
mid_min = left_edge[0] - right_edge[0];
min_index = 0;
for (i = 1; i < RW_MGR_MEM_DQ_PER_WRITE_DQS; i++) {
@@ -4142,13 +4142,13 @@ static uint32_t rw_mgr_mem_calibrate_writes_center(uint32_t rank_bgn, uint32_t w
DPRINT(1, "write_center: start_dqs=%ld new_dqs=%ld mid_min=%ld", start_dqs, new_dqs,
mid_min);
- //USER Initialize data for export structures
+ //USER Initialize data for export structures
dqs_margin = IO_IO_OUT1_DELAY_MAX + 1;
dq_margin = IO_IO_OUT1_DELAY_MAX + 1;
- //USER add delay to bring centre of all DQ windows to the same "level"
+ //USER add delay to bring centre of all DQ windows to the same "level"
for (i = 0, p = test_bgn; i < RW_MGR_MEM_DQ_PER_WRITE_DQS; i++, p++) {
- //USER Use values before divide by 2 to reduce round off error
+ //USER Use values before divide by 2 to reduce round off error
shift_dq =
(left_edge[i] - right_edge[i] -
(left_edge[min_index] - right_edge[min_index])) / 2 + (orig_mid_min - mid_min);
@@ -4166,7 +4166,7 @@ static uint32_t rw_mgr_mem_calibrate_writes_center(uint32_t rank_bgn, uint32_t w
DPRINT(2, "write_center: margin[%lu]=[%ld,%ld]", i,
left_edge[i] - shift_dq + (-mid_min), right_edge[i] + shift_dq - (-mid_min));
- //USER To determine values for export structures
+ //USER To determine values for export structures
if (left_edge[i] - shift_dq + (-mid_min) < dq_margin) {
dq_margin = left_edge[i] - shift_dq + (-mid_min);
}
@@ -4175,7 +4175,7 @@ static uint32_t rw_mgr_mem_calibrate_writes_center(uint32_t rank_bgn, uint32_t w
}
}
- //USER Move DQS
+ //USER Move DQS
if (QDRII) {
scc_mgr_set_group_dqs_io_and_oct_out1_gradual(write_group, new_dqs);
} else {
@@ -4185,7 +4185,7 @@ static uint32_t rw_mgr_mem_calibrate_writes_center(uint32_t rank_bgn, uint32_t w
DPRINT(2, "write_center: DM");
- //USER set the left and right edge of each bit to an illegal value
+ //USER set the left and right edge of each bit to an illegal value
//USER use (IO_IO_OUT1_DELAY_MAX + 1) as an illegal value
left_edge[0] = IO_IO_OUT1_DELAY_MAX + 1;
right_edge[0] = IO_IO_OUT1_DELAY_MAX + 1;
@@ -4204,7 +4204,7 @@ static uint32_t rw_mgr_mem_calibrate_writes_center(uint32_t rank_bgn, uint32_t w
if (bgn_curr == IO_IO_OUT1_DELAY_MAX + 1) {
bgn_curr = -d;
}
- //USER If current window is bigger than best seen. Set best seen to be current window
+ //USER If current window is bigger than best seen. Set best seen to be current window
if ((end_curr - bgn_curr + 1) > win_best) {
win_best = end_curr - bgn_curr + 1;
bgn_best = bgn_curr;
@@ -4296,7 +4296,7 @@ static uint32_t rw_mgr_mem_calibrate_writes_center(uint32_t rank_bgn, uint32_t w
DPRINT(2, "dm_calib: left=%ld right=%ld mid=%ld dm_margin=%ld",
left_edge[0], right_edge[0], mid, dm_margin);
- //USER Export values
+ //USER Export values
gbl->fom_out += dq_margin + dqs_margin;
DPRINT(2, "write_center: dq_margin=%ld dqs_margin=%ld dm_margin=%ld", dq_margin, dqs_margin,
@@ -4321,7 +4321,7 @@ static uint32_t rw_mgr_mem_calibrate_writes_center(uint32_t rank_bgn, uint32_t w
uint32_t start_dqs;
uint32_t stop;
- //USER per-bit deskew
+ //USER per-bit deskew
for (i = 0; i < RW_MGR_MEM_DQ_PER_WRITE_DQS; i++) {
max_working_dq[i] = 0;
@@ -4347,7 +4347,7 @@ static uint32_t rw_mgr_mem_calibrate_writes_center(uint32_t rank_bgn, uint32_t w
scc_mgr_apply_group_dq_out1_delay(write_group, test_bgn, 0);
- //USER determine minimum of maximums
+ //USER determine minimum of maximums
dq_margin = IO_IO_OUT1_DELAY_MAX;
@@ -4357,7 +4357,7 @@ static uint32_t rw_mgr_mem_calibrate_writes_center(uint32_t rank_bgn, uint32_t w
}
}
- //USER add delay to center DQ windows
+ //USER add delay to center DQ windows
for (i = 0, p = test_bgn; i < RW_MGR_MEM_DQ_PER_WRITE_DQS; i++, p++) {
if (max_working_dq[i] > dq_margin) {
@@ -4393,7 +4393,7 @@ static uint32_t rw_mgr_mem_calibrate_writes_center(uint32_t rank_bgn, uint32_t w
dqs_margin = d - start_dqs - 1;
- //USER time to center, +1 so that we don't go crazy centering DQ
+ //USER time to center, +1 so that we don't go crazy centering DQ
mid = (dq_margin + dqs_margin + 1) / 2;
@@ -4402,7 +4402,7 @@ static uint32_t rw_mgr_mem_calibrate_writes_center(uint32_t rank_bgn, uint32_t w
scc_mgr_load_dqs_io();
scc_mgr_load_dqs_for_write_group(write_group);
- //USER center dq
+ //USER center dq
if (dq_margin > mid) {
for (i = 0, p = test_bgn; i < RW_MGR_MEM_DQ_PER_WRITE_DQS; i++, p++) {
@@ -4413,7 +4413,7 @@ static uint32_t rw_mgr_mem_calibrate_writes_center(uint32_t rank_bgn, uint32_t w
dqs_margin += dq_margin - mid;
dq_margin -= dq_margin - mid;
}
- //USER do dm centering
+ //USER do dm centering
if (!RLDRAMX) {
dm_margin = IO_IO_OUT1_DELAY_MAX;
@@ -4496,7 +4496,7 @@ static uint32_t rw_mgr_mem_calibrate_writes(uint32_t rank_bgn, uint32_t g, uint3
reg_file_set_stage(CAL_STAGE_WRITES);
reg_file_set_sub_stage(CAL_SUBSTAGE_WRITES_CENTER);
- //USER starting phases
+ //USER starting phases
//USER update info for sims
@@ -4510,7 +4510,7 @@ static uint32_t rw_mgr_mem_calibrate_writes(uint32_t rank_bgn, uint32_t g, uint3
return 1;
}
-//USER precharge all banks and activate row 0 in bank "000..." and bank "111..."
+//USER precharge all banks and activate row 0 in bank "000..." and bank "111..."
static void mem_precharge_and_activate(void)
{
uint32_t r;
@@ -4524,7 +4524,7 @@ static void mem_precharge_and_activate(void)
//USER set rank
set_rank_and_odt_mask(r, RW_MGR_ODT_MODE_OFF);
- //USER precharge all banks ...
+ //USER precharge all banks ...
IOWR_32DIRECT(RW_MGR_RUN_SINGLE_GROUP, 0, __RW_MGR_PRECHARGE_ALL);
IOWR_32DIRECT(RW_MGR_LOAD_CNTR_0, 0, 0x0F);
@@ -4533,7 +4533,7 @@ static void mem_precharge_and_activate(void)
IOWR_32DIRECT(RW_MGR_LOAD_CNTR_1, 0, 0x0F);
IOWR_32DIRECT(RW_MGR_LOAD_JUMP_ADD_1, 0, __RW_MGR_ACTIVATE_0_AND_1_WAIT2);
- //USER activate rows
+ //USER activate rows
IOWR_32DIRECT(RW_MGR_RUN_SINGLE_GROUP, 0, __RW_MGR_ACTIVATE_0_AND_1);
}
}
@@ -4548,7 +4548,7 @@ static void mem_config(void)
uint32_t rw_wl_nop_cycles;
uint32_t max_latency;
- //USER read in write and read latency
+ //USER read in write and read latency
wlat = IORD_32DIRECT(MEM_T_WL_ADD, 0);
wlat += IORD_32DIRECT(DATA_MGR_MEM_T_ADD, 0); /* WL for hard phy does not include additive latency */
@@ -4595,23 +4595,23 @@ static void mem_config(void)
//USER configure for a burst length of 8
if (QUARTER_RATE_MODE) {
- //USER write latency
+ //USER write latency
wlat = (wlat + 5) / 4 + 1;
//USER set a pretty high read latency initially
gbl->curr_read_lat = (rlat + 1) / 4 + 8;
} else if (HALF_RATE_MODE) {
- //USER write latency
+ //USER write latency
wlat = (wlat - 1) / 2 + 1;
- //USER set a pretty high read latency initially
+ //USER set a pretty high read latency initially
gbl->curr_read_lat = (rlat + 1) / 2 + 8;
} else {
- //USER write latency
+ //USER write latency
// Adjust Write Latency for Hard PHY
wlat = wlat + 1;
- //USER set a pretty high read latency initially
+ //USER set a pretty high read latency initially
gbl->curr_read_lat = rlat + 16;
}
@@ -4620,7 +4620,7 @@ static void mem_config(void)
}
IOWR_32DIRECT(PHY_MGR_PHY_RLAT, 0, gbl->curr_read_lat);
- //USER advertise write latency
+ //USER advertise write latency
gbl->curr_write_lat = wlat;
IOWR_32DIRECT(PHY_MGR_AFI_WLAT, 0, wlat - 2);
@@ -4636,7 +4636,7 @@ static void mem_skip_calibrate(void)
uint32_t vfifo_offset;
uint32_t i, j, r;
- // Need to update every shadow register set used by the interface
+ // Need to update every shadow register set used by the interface
for (r = 0; r < RW_MGR_MEM_NUMBER_OF_RANKS; r += NUM_RANKS_PER_SHADOW_REG) {
// Strictly speaking this should be called once per group to make
@@ -4653,7 +4653,7 @@ static void mem_skip_calibrate(void)
//
// Write data arrives to the I/O two cycles before write latency is reached (720 deg).
// -> due to bit-slip in a/c bus
- // -> to allow board skew where dqs is longer than ck
+ // -> to allow board skew where dqs is longer than ck
// -> how often can this happen!?
// -> can claim back some ptaps for high freq support if we can relax this, but i digress...
//
@@ -4683,7 +4683,7 @@ static void mem_skip_calibrate(void)
IOWR_32DIRECT(SCC_MGR_UPD, 0, 0);
}
- // Compensate for simulation model behaviour
+ // Compensate for simulation model behaviour
for (i = 0; i < RW_MGR_MEM_IF_READ_DQS_WIDTH; i++) {
scc_mgr_set_dqs_bus_in_delay(i, 10);
scc_mgr_load_dqs(i);
@@ -4741,7 +4741,7 @@ static uint32_t mem_calibrate(void)
}
if (((DYNAMIC_CALIB_STEPS) & CALIB_SKIP_ALL) == CALIB_SKIP_ALL) {
- //USER Set VFIFO and LFIFO to instant-on settings in skip calibration mode
+ //USER Set VFIFO and LFIFO to instant-on settings in skip calibration mode
mem_skip_calibrate();
} else {
@@ -4781,7 +4781,7 @@ static uint32_t mem_calibrate(void)
RW_MGR_MEM_IF_WRITE_DQS_WIDTH && group_failed == 0;
read_group++, read_test_bgn += RW_MGR_MEM_DQ_PER_READ_DQS) {
- //USER Calibrate the VFIFO
+ //USER Calibrate the VFIFO
if (!((STATIC_CALIB_STEPS) & CALIB_SKIP_VFIFO)) {
if (!rw_mgr_mem_calibrate_vfifo
(read_group, read_test_bgn)) {
@@ -4797,7 +4797,7 @@ static uint32_t mem_calibrate(void)
}
}
- //USER level writes (or align DK with CK for RLDRAMX)
+ //USER level writes (or align DK with CK for RLDRAMX)
if (group_failed == 0) {
if ((DDRX || RLDRAMII) && !(ARRIAV || CYCLONEV)) {
if (!((STATIC_CALIB_STEPS) & CALIB_SKIP_WLEVEL)) {
@@ -4815,7 +4815,7 @@ static uint32_t mem_calibrate(void)
}
}
}
- //USER Calibrate the output side
+ //USER Calibrate the output side
if (group_failed == 0) {
for (rank_bgn = 0, sr = 0;
rank_bgn < RW_MGR_MEM_NUMBER_OF_RANKS;
@@ -4899,7 +4899,7 @@ static uint32_t mem_calibrate(void)
if (failing_groups != 0) {
return 0;
}
- //USER Calibrate the LFIFO
+ //USER Calibrate the LFIFO
if (!((STATIC_CALIB_STEPS) & CALIB_SKIP_LFIFO)) {
//USER If we're skipping groups as part of debug, don't calibrate LFIFO
if (param->skip_groups == 0) {
@@ -4952,7 +4952,7 @@ static uint32_t run_mem_calibrate(void)
#endif
}
- //USER Handoff
+ //USER Handoff
//USER Don't return control of the PHY back to AFI when in debug mode
if ((gbl->phy_debug_mode_flags & PHY_DEBUG_IN_DEBUG_MODE) == 0) {
@@ -5045,7 +5045,7 @@ static void initialize_hps_phy(void)
// These may need to be included also:
// wrap_back_en (false)
// atpg_en (false)
- // pipelineglobalenable (true)
+ // pipelineglobalenable (true)
uint32_t reg;
// Tracking also gets configured here because it's in the same register
@@ -5148,7 +5148,7 @@ static int socfpga_mem_calibration(void)
// Set the calibration enabled by default
gbl->phy_debug_mode_flags |= PHY_DEBUG_ENABLE_CAL_RPT;
// Only enable margining by default if requested
- // Only sweep all groups (regardless of fail state) by default if requested
+ // Only sweep all groups (regardless of fail state) by default if requested
//Set enabled read test by default
// Initialize the register file
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-18 19:55:47 +0000