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	Every QSGMII SerDes Protocol usage 4 MACs. So add/repeat QSGMII information for 4 MACs in dpmac_info strucuture. Signed-off-by: King Chung Lo@freescale.com <KingChungLo@freescale.com> Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
		
			
				
	
	
		
			147 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			147 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright 2015 Freescale Semiconductor, Inc.
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|  *
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|  * SPDX-License-Identifier:	GPL-2.0+
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|  */
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| 
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| #include <common.h>
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| #include <asm/io.h>
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| #include <asm/errno.h>
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| #include <asm/arch/fsl_serdes.h>
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| #include <asm/arch-fsl-lsch3/immap_lsch3.h>
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| #include <fsl-mc/ldpaa_wriop.h>
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| 
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| #ifdef CONFIG_SYS_FSL_SRDS_1
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| static u8 serdes1_prtcl_map[SERDES_PRCTL_COUNT];
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| #endif
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| #ifdef CONFIG_SYS_FSL_SRDS_2
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| static u8 serdes2_prtcl_map[SERDES_PRCTL_COUNT];
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| #endif
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| 
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| int is_serdes_configured(enum srds_prtcl device)
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| {
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| 	int ret = 0;
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| 
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| #ifdef CONFIG_SYS_FSL_SRDS_1
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| 	ret |= serdes1_prtcl_map[device];
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| #endif
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| #ifdef CONFIG_SYS_FSL_SRDS_2
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| 	ret |= serdes2_prtcl_map[device];
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| #endif
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| 
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| 	return !!ret;
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| }
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| 
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| int serdes_get_first_lane(u32 sd, enum srds_prtcl device)
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| {
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| 	struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
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| 	u32 cfg = in_le32(&gur->rcwsr[28]);
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| 	int i;
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| 
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| 	switch (sd) {
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| #ifdef CONFIG_SYS_FSL_SRDS_1
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| 	case FSL_SRDS_1:
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| 		cfg &= FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK;
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| 		cfg >>= FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_SHIFT;
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| 		break;
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| #endif
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| #ifdef CONFIG_SYS_FSL_SRDS_2
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| 	case FSL_SRDS_2:
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| 		cfg &= FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_MASK;
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| 		cfg >>= FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_SHIFT;
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| 		break;
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| #endif
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| 	default:
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| 		printf("invalid SerDes%d\n", sd);
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| 		break;
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| 	}
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| 	/* Is serdes enabled at all? */
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| 	if (cfg == 0)
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| 		return -ENODEV;
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| 
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| 	for (i = 0; i < SRDS_MAX_LANES; i++) {
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| 		if (serdes_get_prtcl(sd, cfg, i) == device)
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| 			return i;
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| 	}
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| 
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| 	return -ENODEV;
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| }
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| 
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| void serdes_init(u32 sd, u32 sd_addr, u32 sd_prctl_mask, u32 sd_prctl_shift,
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| 		u8 serdes_prtcl_map[SERDES_PRCTL_COUNT])
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| {
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| 	struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
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| 	u32 cfg;
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| 	int lane;
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| 
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| 	memset(serdes_prtcl_map, 0, sizeof(serdes_prtcl_map));
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| 
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| 	cfg = in_le32(&gur->rcwsr[28]) & sd_prctl_mask;
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| 	cfg >>= sd_prctl_shift;
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| 	printf("Using SERDES%d Protocol: %d (0x%x)\n", sd + 1, cfg, cfg);
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| 
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| 	if (!is_serdes_prtcl_valid(sd, cfg))
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| 		printf("SERDES%d[PRTCL] = 0x%x is not valid\n", sd + 1, cfg);
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| 
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| 	for (lane = 0; lane < SRDS_MAX_LANES; lane++) {
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| 		enum srds_prtcl lane_prtcl = serdes_get_prtcl(sd, cfg, lane);
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| 		if (unlikely(lane_prtcl >= SERDES_PRCTL_COUNT))
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| 			debug("Unknown SerDes lane protocol %d\n", lane_prtcl);
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| 		else {
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| 			serdes_prtcl_map[lane_prtcl] = 1;
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| #ifdef CONFIG_FSL_MC_ENET
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| 			switch (lane_prtcl) {
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| 			case QSGMII_A:
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| 				wriop_init_dpmac(sd, 5, (int)lane_prtcl);
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| 				wriop_init_dpmac(sd, 6, (int)lane_prtcl);
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| 				wriop_init_dpmac(sd, 7, (int)lane_prtcl);
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| 				wriop_init_dpmac(sd, 8, (int)lane_prtcl);
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| 				break;
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| 			case QSGMII_B:
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| 				wriop_init_dpmac(sd, 1, (int)lane_prtcl);
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| 				wriop_init_dpmac(sd, 2, (int)lane_prtcl);
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| 				wriop_init_dpmac(sd, 3, (int)lane_prtcl);
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| 				wriop_init_dpmac(sd, 4, (int)lane_prtcl);
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| 				break;
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| 			case QSGMII_C:
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| 				wriop_init_dpmac(sd, 13, (int)lane_prtcl);
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| 				wriop_init_dpmac(sd, 14, (int)lane_prtcl);
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| 				wriop_init_dpmac(sd, 15, (int)lane_prtcl);
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| 				wriop_init_dpmac(sd, 16, (int)lane_prtcl);
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| 				break;
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| 			case QSGMII_D:
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| 				wriop_init_dpmac(sd, 9, (int)lane_prtcl);
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| 				wriop_init_dpmac(sd, 10, (int)lane_prtcl);
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| 				wriop_init_dpmac(sd, 11, (int)lane_prtcl);
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| 				wriop_init_dpmac(sd, 12, (int)lane_prtcl);
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| 				break;
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| 			default:
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| 				 if (lane_prtcl >= SGMII1 &&
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| 					   lane_prtcl <= SGMII16)
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| 					wriop_init_dpmac(sd, lane + 1,
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| 							 (int)lane_prtcl);
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| 				break;
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| 			}
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| #endif
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| 		}
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| 	}
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| }
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| 
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| void fsl_serdes_init(void)
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| {
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| #ifdef CONFIG_SYS_FSL_SRDS_1
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| 	serdes_init(FSL_SRDS_1,
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| 		    CONFIG_SYS_FSL_LSCH3_SERDES_ADDR,
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| 		    FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK,
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| 		    FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_SHIFT,
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| 		    serdes1_prtcl_map);
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| #endif
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| #ifdef CONFIG_SYS_FSL_SRDS_2
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| 	serdes_init(FSL_SRDS_2,
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| 		    CONFIG_SYS_FSL_LSCH3_SERDES_ADDR + FSL_SRDS_2 * 0x10000,
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| 		    FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_MASK,
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| 		    FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_SHIFT,
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| 		    serdes2_prtcl_map);
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| #endif
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| }
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