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	This syncs drivers/ddr/marvell/a38x/ with the mv_ddr-armada-18.09 branch of https://github.com/MarvellEmbeddedProcessors/mv-ddr-marvell.git. Specifically this syncs with commit 99d772547314 ("Bump mv_ddr to release armada-18.09.2"). The complete log of changes is best obtained from the mv-ddr-marvell.git repository but some relevant highlights are: ddr3: add missing txsdll parameter ddr3: fix tfaw timimg parameter ddr3: fix trrd timimg parameter merge ddr3 topology header file with mv_ddr_topology one mv_ddr: a38x: fix zero memory size scrubbing issue The upstream code is incorporated omitting the portions not relevant to Armada-38x and DDR3. After that a semi-automated step is used to drop unused features with unifdef find drivers/ddr/marvell/a38x/ -name '*.[ch]' | \ xargs unifdef -m -UMV_DDR -UMV_DDR_ATF -UCONFIG_DDR4 \ -UCONFIG_APN806 -UCONFIG_MC_STATIC \ -UCONFIG_MC_STATIC_PRINT -UCONFIG_PHY_STATIC \ -UCONFIG_64BIT -UCONFIG_A3700 -UA3900 -UA80X0 \ -UA70X0 Signed-off-by: Chris Packham <judge.packham@gmail.com> Reviewed-by: Stefan Roese <sr@denx.de> Tested-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Stefan Roese <sr@denx.de>
		
			
				
	
	
		
			604 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			604 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0
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| /*
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|  * Copyright (C) Marvell International Ltd. and its affiliates
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|  */
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| 
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| #include "ddr3_init.h"
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| #include "mv_ddr_regs.h"
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| 
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| static u32 bist_offset = 32;
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| enum hws_pattern sweep_pattern = PATTERN_KILLER_DQ0;
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| 
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| static int ddr3_tip_bist_operation(u32 dev_num,
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| 				   enum hws_access_type access_type,
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| 				   u32 if_id,
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| 				   enum hws_bist_operation oper_type);
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| 
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| /*
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|  * BIST activate
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|  */
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| int ddr3_tip_bist_activate(u32 dev_num, enum hws_pattern pattern,
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| 			   enum hws_access_type access_type, u32 if_num,
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| 			   enum hws_dir dir,
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| 			   enum hws_stress_jump addr_stress_jump,
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| 			   enum hws_pattern_duration duration,
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| 			   enum hws_bist_operation oper_type,
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| 			   u32 offset, u32 cs_num, u32 pattern_addr_length)
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| {
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| 	u32 tx_burst_size;
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| 	u32 delay_between_burst;
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| 	u32 rd_mode;
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| 	struct pattern_info *pattern_table = ddr3_tip_get_pattern_table();
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| 
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| 	/* odpg bist write enable */
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| 	ddr3_tip_if_write(0, access_type, 0, ODPG_DATA_CTRL_REG,
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| 			  (ODPG_WRBUF_WR_CTRL_ENA << ODPG_WRBUF_WR_CTRL_OFFS),
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| 			  (ODPG_WRBUF_WR_CTRL_MASK << ODPG_WRBUF_WR_CTRL_OFFS));
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| 
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| 	/* odpg bist read enable/disable */
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| 	ddr3_tip_if_write(0, access_type, 0, ODPG_DATA_CTRL_REG,
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| 			  (dir == OPER_READ) ? (ODPG_WRBUF_RD_CTRL_ENA << ODPG_WRBUF_RD_CTRL_OFFS) :
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| 					       (ODPG_WRBUF_RD_CTRL_DIS << ODPG_WRBUF_RD_CTRL_OFFS),
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| 			  (ODPG_WRBUF_RD_CTRL_MASK << ODPG_WRBUF_RD_CTRL_OFFS));
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| 
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| 	ddr3_tip_load_pattern_to_odpg(0, access_type, 0, pattern, offset);
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| 
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| 	ddr3_tip_if_write(0, access_type, 0, ODPG_DATA_BUFFER_SIZE_REG, pattern_addr_length, MASK_ALL_BITS);
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| 	tx_burst_size = (dir == OPER_WRITE) ?
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| 		pattern_table[pattern].tx_burst_size : 0;
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| 	delay_between_burst = (dir == OPER_WRITE) ? 2 : 0;
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| 	rd_mode = (dir == OPER_WRITE) ? 1 : 0;
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| 	ddr3_tip_configure_odpg(0, access_type, 0, dir,
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| 		      pattern_table[pattern].num_of_phases_tx, tx_burst_size,
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| 		      pattern_table[pattern].num_of_phases_rx,
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| 		      delay_between_burst,
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| 		      rd_mode, cs_num, addr_stress_jump, duration);
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| 	ddr3_tip_if_write(0, access_type, 0, ODPG_DATA_BUFFER_OFFS_REG, offset, MASK_ALL_BITS);
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| 
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| 	if (oper_type == BIST_STOP) {
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| 		ddr3_tip_bist_operation(0, access_type, 0, BIST_STOP);
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| 	} else {
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| 		ddr3_tip_bist_operation(0, access_type, 0, BIST_START);
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| 		if (mv_ddr_is_odpg_done(MAX_POLLING_ITERATIONS) != MV_OK)
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| 			return MV_FAIL;
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| 		ddr3_tip_bist_operation(0, access_type, 0, BIST_STOP);
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| 	}
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| 	ddr3_tip_if_write(0, access_type, 0, ODPG_DATA_CTRL_REG, 0, MASK_ALL_BITS);
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| 
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| 	return MV_OK;
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| }
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| 
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| /*
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|  * BIST read result
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|  */
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| int ddr3_tip_bist_read_result(u32 dev_num, u32 if_id,
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| 			      struct bist_result *pst_bist_result)
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| {
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| 	int ret;
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| 	u32 read_data[MAX_INTERFACE_NUM];
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| 	struct mv_ddr_topology_map *tm = mv_ddr_topology_map_get();
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| 
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| 	if (IS_IF_ACTIVE(tm->if_act_mask, if_id) == 0)
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| 		return MV_NOT_SUPPORTED;
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| 	DEBUG_TRAINING_BIST_ENGINE(DEBUG_LEVEL_TRACE,
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| 				   ("ddr3_tip_bist_read_result if_id %d\n",
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| 				    if_id));
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| 	ret = ddr3_tip_if_read(dev_num, ACCESS_TYPE_UNICAST, if_id,
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| 			       ODPG_DATA_RX_WORD_ERR_DATA_HIGH_REG, read_data,
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| 			       MASK_ALL_BITS);
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| 	if (ret != MV_OK)
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| 		return ret;
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| 	pst_bist_result->bist_fail_high = read_data[if_id];
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| 	ret = ddr3_tip_if_read(dev_num, ACCESS_TYPE_UNICAST, if_id,
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| 			       ODPG_DATA_RX_WORD_ERR_DATA_LOW_REG, read_data,
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| 			       MASK_ALL_BITS);
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| 	if (ret != MV_OK)
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| 		return ret;
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| 	pst_bist_result->bist_fail_low = read_data[if_id];
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| 
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| 	ret = ddr3_tip_if_read(dev_num, ACCESS_TYPE_UNICAST, if_id,
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| 			       ODPG_DATA_RX_WORD_ERR_ADDR_REG, read_data,
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| 			       MASK_ALL_BITS);
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| 	if (ret != MV_OK)
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| 		return ret;
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| 	pst_bist_result->bist_last_fail_addr = read_data[if_id];
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| 	ret = ddr3_tip_if_read(dev_num, ACCESS_TYPE_UNICAST, if_id,
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| 			       ODPG_DATA_RX_WORD_ERR_CNTR_REG, read_data,
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| 			       MASK_ALL_BITS);
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| 	if (ret != MV_OK)
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| 		return ret;
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| 	pst_bist_result->bist_error_cnt = read_data[if_id];
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| 
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| 	return MV_OK;
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| }
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| 
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| /*
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|  * BIST flow - Activate & read result
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|  */
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| int hws_ddr3_run_bist(u32 dev_num, enum hws_pattern pattern, u32 *result,
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| 		      u32 cs_num)
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| {
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| 	int ret;
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| 	u32 i = 0;
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| 	u32 win_base;
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| 	struct bist_result st_bist_result;
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| 	struct mv_ddr_topology_map *tm = mv_ddr_topology_map_get();
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| 
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| 	for (i = 0; i < MAX_INTERFACE_NUM; i++) {
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| 		VALIDATE_IF_ACTIVE(tm->if_act_mask, i);
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| 		hws_ddr3_cs_base_adr_calc(i, cs_num, &win_base);
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| 		ret = ddr3_tip_bist_activate(dev_num, pattern,
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| 					     ACCESS_TYPE_UNICAST,
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| 					     i, OPER_WRITE, STRESS_NONE,
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| 					     DURATION_SINGLE, BIST_START,
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| 					     bist_offset + win_base,
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| 					     cs_num, 15);
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| 		if (ret != MV_OK) {
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| 			printf("ddr3_tip_bist_activate failed (0x%x)\n", ret);
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| 			return ret;
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| 		}
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| 
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| 		ret = ddr3_tip_bist_activate(dev_num, pattern,
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| 					     ACCESS_TYPE_UNICAST,
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| 					     i, OPER_READ, STRESS_NONE,
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| 					     DURATION_SINGLE, BIST_START,
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| 					     bist_offset + win_base,
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| 					     cs_num, 15);
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| 		if (ret != MV_OK) {
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| 			printf("ddr3_tip_bist_activate failed (0x%x)\n", ret);
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| 			return ret;
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| 		}
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| 
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| 		ret = ddr3_tip_bist_read_result(dev_num, i, &st_bist_result);
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| 		if (ret != MV_OK) {
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| 			printf("ddr3_tip_bist_read_result failed\n");
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| 			return ret;
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| 		}
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| 		result[i] = st_bist_result.bist_error_cnt;
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| 	}
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| 
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| 	return MV_OK;
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| }
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| 
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| /*
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|  * Set BIST Operation
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|  */
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| 
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| static int ddr3_tip_bist_operation(u32 dev_num,
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| 				   enum hws_access_type access_type,
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| 				   u32 if_id, enum hws_bist_operation oper_type)
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| {
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| 	if (oper_type == BIST_STOP)
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| 		mv_ddr_odpg_disable();
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| 	else
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| 		mv_ddr_odpg_enable();
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| 
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| 	return MV_OK;
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| }
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| 
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| /*
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|  * Print BIST result
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|  */
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| void ddr3_tip_print_bist_res(void)
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| {
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| 	u32 dev_num = 0;
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| 	u32 i;
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| 	struct bist_result st_bist_result[MAX_INTERFACE_NUM];
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| 	int res;
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| 	struct mv_ddr_topology_map *tm = mv_ddr_topology_map_get();
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| 
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| 	for (i = 0; i < MAX_INTERFACE_NUM; i++) {
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| 		VALIDATE_IF_ACTIVE(tm->if_act_mask, i);
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| 
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| 		res = ddr3_tip_bist_read_result(dev_num, i, &st_bist_result[i]);
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| 		if (res != MV_OK) {
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| 			DEBUG_TRAINING_BIST_ENGINE(
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| 				DEBUG_LEVEL_ERROR,
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| 				("ddr3_tip_bist_read_result failed\n"));
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| 			return;
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| 		}
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| 	}
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| 
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| 	DEBUG_TRAINING_BIST_ENGINE(
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| 		DEBUG_LEVEL_INFO,
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| 		("interface | error_cnt | fail_low | fail_high | fail_addr\n"));
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| 
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| 	for (i = 0; i < MAX_INTERFACE_NUM; i++) {
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| 		VALIDATE_IF_ACTIVE(tm->if_act_mask, i);
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| 
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| 		DEBUG_TRAINING_BIST_ENGINE(
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| 			DEBUG_LEVEL_INFO,
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| 			("%d |  0x%08x  |  0x%08x  |  0x%08x  | 0x%08x\n",
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| 			 i, st_bist_result[i].bist_error_cnt,
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| 			 st_bist_result[i].bist_fail_low,
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| 			 st_bist_result[i].bist_fail_high,
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| 			 st_bist_result[i].bist_last_fail_addr));
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| 	}
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| }
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| 
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| enum {
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| 	PASS,
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| 	FAIL
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| };
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| #define TIP_ITERATION_NUM	31
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| static int mv_ddr_tip_bist(enum hws_dir dir, u32 val, enum hws_pattern pattern, u32 cs, u32 *result)
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| {
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| 	struct mv_ddr_topology_map *tm = mv_ddr_topology_map_get();
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| 	enum hws_training_ip_stat training_result;
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| 	u16 *reg_map = ddr3_tip_get_mask_results_pup_reg_map();
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| 	u32 max_subphy = ddr3_tip_dev_attr_get(0, MV_ATTR_OCTET_PER_INTERFACE);
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| 	u32 subphy, read_data;
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| 
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| 	ddr3_tip_ip_training(0, ACCESS_TYPE_MULTICAST, 0, ACCESS_TYPE_MULTICAST, PARAM_NOT_CARE,
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| 			     RESULT_PER_BYTE, HWS_CONTROL_ELEMENT_ADLL, HWS_LOW2HIGH, dir, tm->if_act_mask, val,
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| 			     TIP_ITERATION_NUM, pattern, EDGE_FP, CS_SINGLE, cs, &training_result);
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| 
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| 	for (subphy = 0; subphy < max_subphy; subphy++) {
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| 		ddr3_tip_if_read(0, ACCESS_TYPE_UNICAST, 0, reg_map[subphy], &read_data, MASK_ALL_BITS);
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| 		if (((read_data >> BLOCK_STATUS_OFFS) & BLOCK_STATUS_MASK) == BLOCK_STATUS_NOT_LOCKED)
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| 			*result |= (FAIL << subphy);
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| 	}
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| 
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| 	return MV_OK;
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| }
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| 
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| struct interval {
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| 	u8 *vector;
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| 	u8 lendpnt;		/* interval's left endpoint */
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| 	u8 rendpnt;		/* interval's right endpoint */
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| 	u8 size;		/* interval's size */
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| 	u8 lmarker;		/* left marker */
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| 	u8 rmarker;		/* right marker */
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| 	u8 pass_lendpnt;	/* left endpoint of internal pass interval */
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| 	u8 pass_rendpnt;	/* right endpoint of internal pass interval */
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| };
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| 
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| static int interval_init(u8 *vector, u8 lendpnt, u8 rendpnt,
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| 			 u8 lmarker, u8 rmarker, struct interval *intrvl)
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| {
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| 	if (intrvl == NULL) {
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| 		printf("%s: NULL intrvl pointer found\n", __func__);
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| 		return MV_FAIL;
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| 	}
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| 
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| 	if (vector == NULL) {
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| 		printf("%s: NULL vector pointer found\n", __func__);
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| 		return MV_FAIL;
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| 	}
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| 	intrvl->vector = vector;
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| 
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| 	if (lendpnt >= rendpnt) {
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| 		printf("%s: incorrect lendpnt and/or rendpnt parameters found\n", __func__);
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| 		return MV_FAIL;
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| 	}
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| 	intrvl->lendpnt = lendpnt;
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| 	intrvl->rendpnt = rendpnt;
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| 	intrvl->size = rendpnt - lendpnt + 1;
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| 
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| 	if ((lmarker < lendpnt) || (lmarker > rendpnt)) {
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| 		printf("%s: incorrect lmarker parameter found\n", __func__);
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| 		return MV_FAIL;
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| 	}
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| 	intrvl->lmarker = lmarker;
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| 
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| 	if ((rmarker < lmarker) || (rmarker > (intrvl->rendpnt + intrvl->size))) {
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| 		printf("%s: incorrect rmarker parameter found\n", __func__);
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| 		return MV_FAIL;
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| 	}
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| 	intrvl->rmarker = rmarker;
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| 
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| 	return MV_OK;
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| }
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| static int interval_set(u8 pass_lendpnt, u8 pass_rendpnt, struct interval *intrvl)
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| {
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| 	if (intrvl == NULL) {
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| 		printf("%s: NULL intrvl pointer found\n", __func__);
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| 		return MV_FAIL;
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| 	}
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| 
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| 	intrvl->pass_lendpnt = pass_lendpnt;
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| 	intrvl->pass_rendpnt = pass_rendpnt;
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| 
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| 	return MV_OK;
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| }
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| 
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| static int interval_proc(struct interval *intrvl)
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| {
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| 	int curr;
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| 	int pass_lendpnt, pass_rendpnt;
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| 	int lmt;
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| 	int fcnt = 0, pcnt = 0;
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| 
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| 	if (intrvl == NULL) {
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| 		printf("%s: NULL intrvl pointer found\n", __func__);
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| 		return MV_FAIL;
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| 	}
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| 
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| 	/* count fails and passes */
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| 	curr = intrvl->lendpnt;
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| 	while (curr <= intrvl->rendpnt) {
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| 		if (intrvl->vector[curr] == PASS)
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| 			pcnt++;
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| 		else
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| 			fcnt++;
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| 		curr++;
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| 	}
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| 
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| 	/* check for all fail */
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| 	if (fcnt == intrvl->size) {
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| 		printf("%s: no pass found\n", __func__);
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| 		return MV_FAIL;
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| 	}
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| 
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| 	/* check for all pass */
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| 	if (pcnt == intrvl->size) {
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| 		if (interval_set(intrvl->lendpnt, intrvl->rendpnt, intrvl) != MV_OK)
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| 			return MV_FAIL;
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| 		return MV_OK;
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| 	}
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| 
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| 	/* proceed with rmarker */
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| 	curr = intrvl->rmarker;
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| 	if (intrvl->vector[curr % intrvl->size] == PASS) { /* pass at rmarker */
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| 		/* search for fail on right */
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| 		if (intrvl->rmarker > intrvl->rendpnt)
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| 			lmt = intrvl->rendpnt + intrvl->size;
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| 		else
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| 			lmt = intrvl->rmarker + intrvl->size - 1;
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| 		while ((curr <= lmt) &&
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| 		       (intrvl->vector[curr % intrvl->size] == PASS))
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| 			curr++;
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| 		if (curr > lmt) { /* fail not found */
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| 			printf("%s: rmarker: fail following pass not found\n", __func__);
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| 			return MV_FAIL;
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| 		}
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| 		/* fail found */
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| 		pass_rendpnt = curr - 1;
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| 	} else { /* fail at rmarker */
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| 		/* search for pass on left */
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| 		if (intrvl->rmarker > intrvl->rendpnt)
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| 			lmt = intrvl->rmarker - intrvl->size + 1;
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| 		else
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| 			lmt = intrvl->lendpnt;
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| 		while ((curr >= lmt) &&
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| 		       (intrvl->vector[curr % intrvl->size] == FAIL))
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| 			curr--;
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| 		if (curr < lmt) { /* pass not found */
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| 			printf("%s: rmarker: pass preceding fail not found\n", __func__);
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| 			return MV_FAIL;
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| 		}
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| 		/* pass found */
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| 		pass_rendpnt = curr;
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| 	}
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| 
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| 	/* search for fail on left */
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| 	curr = pass_rendpnt;
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| 	if (pass_rendpnt > intrvl->rendpnt)
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| 		lmt =  pass_rendpnt - intrvl->size + 1;
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| 	else
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| 		lmt = intrvl->lendpnt;
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| 	while ((curr >= lmt) &&
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| 	       (intrvl->vector[curr % intrvl->size] == PASS))
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| 		curr--;
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| 	if (curr < lmt) { /* fail not found */
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| 		printf("%s: rmarker: fail preceding pass not found\n", __func__);
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| 		return MV_FAIL;
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| 	}
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| 	/* fail found */
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| 	pass_lendpnt = curr + 1;
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| 	if (interval_set(pass_lendpnt, pass_rendpnt, intrvl) != MV_OK)
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| 		return MV_FAIL;
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| 
 | |
| 	return MV_OK;
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| }
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| 
 | |
| #define ADLL_TAPS_PER_PERIOD	64
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| int mv_ddr_dm_to_dq_diff_get(u8 vw_sphy_hi_lmt, u8 vw_sphy_lo_lmt, u8 *vw_vector,
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| 			     int *vw_sphy_hi_diff, int *vw_sphy_lo_diff)
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| {
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| 	struct interval intrvl;
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| 
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| 	/* init interval structure */
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| 	if (interval_init(vw_vector, 0, ADLL_TAPS_PER_PERIOD - 1,
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| 			  vw_sphy_lo_lmt, vw_sphy_hi_lmt, &intrvl) != MV_OK)
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| 		return MV_FAIL;
 | |
| 
 | |
| 	/* find pass sub-interval */
 | |
| 	if (interval_proc(&intrvl) != MV_OK)
 | |
| 		return MV_FAIL;
 | |
| 
 | |
| 	/* check for all pass */
 | |
| 	if ((intrvl.pass_rendpnt == intrvl.rendpnt) &&
 | |
| 	    (intrvl.pass_lendpnt == intrvl.lendpnt)) {
 | |
| 		printf("%s: no fail found\n", __func__);
 | |
| 		return MV_FAIL;
 | |
| 	}
 | |
| 
 | |
| 	*vw_sphy_hi_diff = intrvl.pass_rendpnt - vw_sphy_hi_lmt;
 | |
| 	*vw_sphy_lo_diff = vw_sphy_lo_lmt - intrvl.pass_lendpnt;
 | |
| 
 | |
| 	return MV_OK;
 | |
| }
 | |
| 
 | |
| static int mv_ddr_bist_tx(enum hws_access_type access_type)
 | |
| {
 | |
| 	mv_ddr_odpg_done_clr();
 | |
| 
 | |
| 	ddr3_tip_bist_operation(0, access_type, 0, BIST_START);
 | |
| 
 | |
| 	if (mv_ddr_is_odpg_done(MAX_POLLING_ITERATIONS) != MV_OK)
 | |
| 		return MV_FAIL;
 | |
| 
 | |
| 	ddr3_tip_bist_operation(0, access_type, 0, BIST_STOP);
 | |
| 
 | |
| 	ddr3_tip_if_write(0, access_type, 0, ODPG_DATA_CTRL_REG, 0, MASK_ALL_BITS);
 | |
| 
 | |
| 	return MV_OK;
 | |
| }
 | |
| 
 | |
| /* prepare odpg for bist operation */
 | |
| #define WR_OP_ODPG_DATA_CMD_BURST_DLY	2
 | |
| static int mv_ddr_odpg_bist_prepare(enum hws_pattern pattern, enum hws_access_type access_type,
 | |
| 			     enum hws_dir dir, enum hws_stress_jump stress_jump_addr,
 | |
| 			     enum hws_pattern_duration duration, u32 offset, u32 cs,
 | |
| 			     u32 pattern_addr_len, enum dm_direction dm_dir)
 | |
| {
 | |
| 	struct pattern_info *pattern_table = ddr3_tip_get_pattern_table();
 | |
| 	u32 tx_burst_size;
 | |
| 	u32 burst_delay;
 | |
| 	u32 rd_mode;
 | |
| 
 | |
| 	/* odpg bist write enable */
 | |
| 	ddr3_tip_if_write(0, access_type, 0, ODPG_DATA_CTRL_REG,
 | |
| 			  (ODPG_WRBUF_WR_CTRL_ENA << ODPG_WRBUF_WR_CTRL_OFFS),
 | |
| 			  (ODPG_WRBUF_WR_CTRL_MASK << ODPG_WRBUF_WR_CTRL_OFFS));
 | |
| 
 | |
| 	/* odpg bist read enable/disable */
 | |
| 	ddr3_tip_if_write(0, access_type, 0, ODPG_DATA_CTRL_REG,
 | |
| 			  (dir == OPER_READ) ? (ODPG_WRBUF_RD_CTRL_ENA << ODPG_WRBUF_RD_CTRL_OFFS) :
 | |
| 					       (ODPG_WRBUF_RD_CTRL_DIS << ODPG_WRBUF_RD_CTRL_OFFS),
 | |
| 			  (ODPG_WRBUF_RD_CTRL_MASK << ODPG_WRBUF_RD_CTRL_OFFS));
 | |
| 
 | |
| 	if (pattern == PATTERN_00 || pattern == PATTERN_FF)
 | |
| 		ddr3_tip_load_pattern_to_odpg(0, access_type, 0, pattern, offset);
 | |
| 	else
 | |
| 		mv_ddr_load_dm_pattern_to_odpg(access_type, pattern, dm_dir);
 | |
| 
 | |
| 	ddr3_tip_if_write(0, access_type, 0, ODPG_DATA_BUFFER_SIZE_REG, pattern_addr_len, MASK_ALL_BITS);
 | |
| 	if (dir == OPER_WRITE) {
 | |
| 		tx_burst_size = pattern_table[pattern].tx_burst_size;
 | |
| 		burst_delay = WR_OP_ODPG_DATA_CMD_BURST_DLY;
 | |
| 		rd_mode = ODPG_MODE_TX;
 | |
| 	} else {
 | |
| 		tx_burst_size = 0;
 | |
| 		burst_delay = 0;
 | |
| 		rd_mode = ODPG_MODE_RX;
 | |
| 	}
 | |
| 	ddr3_tip_configure_odpg(0, access_type, 0, dir, pattern_table[pattern].num_of_phases_tx,
 | |
| 				tx_burst_size, pattern_table[pattern].num_of_phases_rx, burst_delay,
 | |
| 				rd_mode, cs, stress_jump_addr, duration);
 | |
| 
 | |
| 	return MV_OK;
 | |
| }
 | |
| 
 | |
| #define BYTES_PER_BURST_64BIT	0x20
 | |
| #define BYTES_PER_BURST_32BIT	0x10
 | |
| int mv_ddr_dm_vw_get(enum hws_pattern pattern, u32 cs, u8 *vw_vector)
 | |
| {
 | |
| 	struct mv_ddr_topology_map *tm = mv_ddr_topology_map_get();
 | |
| 	struct pattern_info *pattern_table = ddr3_tip_get_pattern_table();
 | |
| 	u32 adll_tap;
 | |
| 	u32 wr_ctrl_adll[MAX_BUS_NUM] = {0};
 | |
| 	u32 rd_ctrl_adll[MAX_BUS_NUM] = {0};
 | |
| 	u32 subphy;
 | |
| 	u32 subphy_max = ddr3_tip_dev_attr_get(0, MV_ATTR_OCTET_PER_INTERFACE);
 | |
| 	u32 odpg_addr = 0x0;
 | |
| 	u32 result;
 | |
| 	u32 idx;
 | |
| 	/* burst length in bytes */
 | |
| 	u32 burst_len = (MV_DDR_IS_64BIT_DRAM_MODE(tm->bus_act_mask) ?
 | |
| 			BYTES_PER_BURST_64BIT : BYTES_PER_BURST_32BIT);
 | |
| 
 | |
| 	/* save dqs values to restore after algorithm's run */
 | |
| 	ddr3_tip_read_adll_value(0, wr_ctrl_adll, CTX_PHY_REG(cs), MASK_ALL_BITS);
 | |
| 	ddr3_tip_read_adll_value(0, rd_ctrl_adll, CRX_PHY_REG(cs), MASK_ALL_BITS);
 | |
| 
 | |
| 	/* fill memory with base pattern */
 | |
| 	ddr3_tip_if_write(0, ACCESS_TYPE_UNICAST, 0, ODPG_DATA_CTRL_REG, 0, MASK_ALL_BITS);
 | |
| 	mv_ddr_odpg_bist_prepare(pattern, ACCESS_TYPE_UNICAST, OPER_WRITE, STRESS_NONE, DURATION_SINGLE,
 | |
| 				 bist_offset, cs, pattern_table[pattern].num_of_phases_tx,
 | |
| 				 (pattern == PATTERN_00) ? DM_DIR_DIRECT : DM_DIR_INVERSE);
 | |
| 
 | |
| 	for (adll_tap = 0; adll_tap < ADLL_TAPS_PER_PERIOD; adll_tap++) {
 | |
| 		/* change target odpg address */
 | |
| 		odpg_addr = adll_tap * burst_len;
 | |
| 		ddr3_tip_if_write(0, ACCESS_TYPE_UNICAST, 0, ODPG_DATA_BUFFER_OFFS_REG,
 | |
| 				  odpg_addr, MASK_ALL_BITS);
 | |
| 
 | |
| 		ddr3_tip_configure_odpg(0, ACCESS_TYPE_UNICAST, 0, OPER_WRITE,
 | |
| 					pattern_table[pattern].num_of_phases_tx,
 | |
| 					pattern_table[pattern].tx_burst_size,
 | |
| 					pattern_table[pattern].num_of_phases_rx,
 | |
| 					WR_OP_ODPG_DATA_CMD_BURST_DLY,
 | |
| 					ODPG_MODE_TX, cs, STRESS_NONE, DURATION_SINGLE);
 | |
| 
 | |
| 		/* odpg bist write enable */
 | |
| 		ddr3_tip_if_write(0, ACCESS_TYPE_UNICAST, 0, ODPG_DATA_CTRL_REG,
 | |
| 				  (ODPG_WRBUF_WR_CTRL_ENA << ODPG_WRBUF_WR_CTRL_OFFS),
 | |
| 				  (ODPG_WRBUF_WR_CTRL_MASK << ODPG_WRBUF_WR_CTRL_OFFS));
 | |
| 
 | |
| 		/* odpg bist read disable */
 | |
| 		ddr3_tip_if_write(0, ACCESS_TYPE_UNICAST, 0, ODPG_DATA_CTRL_REG,
 | |
| 				  (ODPG_WRBUF_RD_CTRL_DIS << ODPG_WRBUF_RD_CTRL_OFFS),
 | |
| 				  (ODPG_WRBUF_RD_CTRL_MASK << ODPG_WRBUF_RD_CTRL_OFFS));
 | |
| 
 | |
| 		/* trigger odpg */
 | |
| 		mv_ddr_bist_tx(ACCESS_TYPE_MULTICAST);
 | |
| 	}
 | |
| 
 | |
| 	/* fill memory with vref pattern to increment addr using odpg bist */
 | |
| 	mv_ddr_odpg_bist_prepare(PATTERN_VREF, ACCESS_TYPE_UNICAST, OPER_WRITE, STRESS_NONE, DURATION_SINGLE,
 | |
| 				 bist_offset, cs, pattern_table[pattern].num_of_phases_tx,
 | |
| 				 (pattern == PATTERN_00) ? DM_DIR_DIRECT : DM_DIR_INVERSE);
 | |
| 
 | |
| 	for (adll_tap = 0; adll_tap < ADLL_TAPS_PER_PERIOD; adll_tap++) {
 | |
| 		ddr3_tip_bus_write(0, ACCESS_TYPE_UNICAST, 0, ACCESS_TYPE_MULTICAST, 0,
 | |
| 				   DDR_PHY_DATA, CTX_PHY_REG(cs), adll_tap);
 | |
| 		/* change target odpg address */
 | |
| 		odpg_addr = adll_tap * burst_len;
 | |
| 		ddr3_tip_if_write(0, ACCESS_TYPE_UNICAST, 0, ODPG_DATA_BUFFER_OFFS_REG,
 | |
| 				  odpg_addr, MASK_ALL_BITS);
 | |
| 		ddr3_tip_configure_odpg(0, ACCESS_TYPE_UNICAST, 0, OPER_WRITE,
 | |
| 					pattern_table[pattern].num_of_phases_tx,
 | |
| 					pattern_table[pattern].tx_burst_size,
 | |
| 					pattern_table[pattern].num_of_phases_rx,
 | |
| 					WR_OP_ODPG_DATA_CMD_BURST_DLY,
 | |
| 					ODPG_MODE_TX, cs, STRESS_NONE, DURATION_SINGLE);
 | |
| 
 | |
| 		/* odpg bist write enable */
 | |
| 		ddr3_tip_if_write(0, ACCESS_TYPE_UNICAST, 0, ODPG_DATA_CTRL_REG,
 | |
| 				  (ODPG_WRBUF_WR_CTRL_ENA << ODPG_WRBUF_WR_CTRL_OFFS),
 | |
| 				  (ODPG_WRBUF_WR_CTRL_MASK << ODPG_WRBUF_WR_CTRL_OFFS));
 | |
| 
 | |
| 		/* odpg bist read disable */
 | |
| 		ddr3_tip_if_write(0, ACCESS_TYPE_UNICAST, 0, ODPG_DATA_CTRL_REG,
 | |
| 				  (ODPG_WRBUF_RD_CTRL_DIS << ODPG_WRBUF_RD_CTRL_OFFS),
 | |
| 				  (ODPG_WRBUF_RD_CTRL_MASK << ODPG_WRBUF_RD_CTRL_OFFS));
 | |
| 
 | |
| 		/* trigger odpg */
 | |
| 		mv_ddr_bist_tx(ACCESS_TYPE_MULTICAST);
 | |
| 	}
 | |
| 
 | |
| 	/* restore subphy's tx adll_tap to its position */
 | |
| 	for (subphy = 0; subphy < subphy_max; subphy++) {
 | |
| 		VALIDATE_BUS_ACTIVE(tm->bus_act_mask, subphy);
 | |
| 		ddr3_tip_bus_write(0, ACCESS_TYPE_UNICAST, 0, ACCESS_TYPE_UNICAST,
 | |
| 				   subphy, DDR_PHY_DATA, CTX_PHY_REG(cs),
 | |
| 				   wr_ctrl_adll[subphy]);
 | |
| 	}
 | |
| 
 | |
| 	/* read and validate bist (comparing with the base pattern) */
 | |
| 	for (adll_tap = 0; adll_tap < ADLL_TAPS_PER_PERIOD; adll_tap++) {
 | |
| 		result = 0;
 | |
| 		odpg_addr = adll_tap * burst_len;
 | |
| 		/* change addr to fit write */
 | |
| 		mv_ddr_pattern_start_addr_set(pattern_table, pattern, odpg_addr);
 | |
| 		mv_ddr_tip_bist(OPER_READ, 0, pattern, 0, &result);
 | |
| 		for (subphy = 0; subphy < subphy_max; subphy++) {
 | |
| 			VALIDATE_BUS_ACTIVE(tm->bus_act_mask, subphy);
 | |
| 			idx = ADLL_TAPS_PER_PERIOD * subphy + adll_tap;
 | |
| 			vw_vector[idx] |= ((result >> subphy) & 0x1);
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	/* restore subphy's rx adll_tap to its position */
 | |
| 	for (subphy = 0; subphy < subphy_max; subphy++) {
 | |
| 		VALIDATE_BUS_ACTIVE(tm->bus_act_mask, subphy);
 | |
| 		ddr3_tip_bus_write(0, ACCESS_TYPE_UNICAST, 0, ACCESS_TYPE_UNICAST,
 | |
| 				   subphy, DDR_PHY_DATA, CRX_PHY_REG(cs),
 | |
| 				   rd_ctrl_adll[subphy]);
 | |
| 	}
 | |
| 
 | |
| 	return MV_OK;
 | |
| }
 |