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https://github.com/brain-hackers/u-boot-brain
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![Ashish Kumar](/assets/img/avatar_default.png)
LS1088A is compliant with the Layerscape Chassis Generation 3 with eight ARM v8 Cortex-A53 cores in 2 cluster, CCI-400, one 64-bit DDR4 SDRAM memory controller with ECC, Data path acceleration architecture 2.0 (DPAA2), Ethernet interfaces (SGMIIs, RGMIIs, QSGMIIs, XFIs), QSPI, IFC, PCIe, SATA, USB, SDXC, DUARTs etc. Signed-off-by: Alison Wang <alison.wang@nxp.com> Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com> Signed-off-by: Ashish Kumar <Ashish.Kumar@nxp.com> Signed-off-by: Raghav Dogra <raghav.dogra@nxp.com> Signed-off-by: Shaohui Xie <Shaohui.Xie@nxp.com> [YS: Revised commit message] Reviewed-by: York Sun <york.sun@nxp.com>
190 lines
4.4 KiB
C
190 lines
4.4 KiB
C
/*
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* Copyright 2014-2015 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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#include <common.h>
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#include <asm/io.h>
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#include <linux/errno.h>
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#include <asm/arch/fsl_serdes.h>
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#include <asm/arch/soc.h>
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#include <fsl-mc/ldpaa_wriop.h>
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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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#if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD)
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int xfi_dpmac[XFI8 + 1];
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int sgmii_dpmac[SGMII16 + 1];
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#endif
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__weak void wriop_init_dpmac_qsgmii(int sd, int lane_prtcl)
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{
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return;
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}
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/*
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*The return value of this func is the serdes protocol used.
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*Typically this function is called number of times depending
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*upon the number of serdes blocks in the Silicon.
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*Zero is used to denote that no serdes was enabled,
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*this is the case when golden RCW was used where DPAA2 bring was
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*intentionally removed to achieve boot to prompt
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*/
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__weak int serdes_get_number(int serdes, int cfg)
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{
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return cfg;
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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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#ifdef CONFIG_SYS_FSL_SRDS_1
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if (!serdes1_prtcl_map[NONE])
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fsl_serdes_init();
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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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if (!serdes2_prtcl_map[NONE])
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fsl_serdes_init();
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ret |= serdes2_prtcl_map[device];
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#endif
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return !!ret;
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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 = 0;
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int i;
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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 = gur_in32(&gur->rcwsr[FSL_CHASSIS3_SRDS1_REGSR - 1]);
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cfg &= FSL_CHASSIS3_SRDS1_PRTCL_MASK;
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cfg >>= FSL_CHASSIS3_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 = gur_in32(&gur->rcwsr[FSL_CHASSIS3_SRDS2_REGSR - 1]);
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cfg &= FSL_CHASSIS3_SRDS2_PRTCL_MASK;
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cfg >>= FSL_CHASSIS3_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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cfg = serdes_get_number(sd, cfg);
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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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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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return -ENODEV;
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}
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void serdes_init(u32 sd, u32 sd_addr, u32 rcwsr, u32 sd_prctl_mask,
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u32 sd_prctl_shift, 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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if (serdes_prtcl_map[NONE])
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return;
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memset(serdes_prtcl_map, 0, sizeof(u8) * SERDES_PRCTL_COUNT);
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cfg = gur_in32(&gur->rcwsr[rcwsr - 1]) & sd_prctl_mask;
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cfg >>= sd_prctl_shift;
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cfg = serdes_get_number(sd, cfg);
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printf("Using SERDES%d Protocol: %d (0x%x)\n", sd + 1, cfg, cfg);
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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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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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#if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD)
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switch (lane_prtcl) {
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case QSGMII_A:
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case QSGMII_B:
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case QSGMII_C:
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case QSGMII_D:
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wriop_init_dpmac_qsgmii(sd, (int)lane_prtcl);
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break;
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default:
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if (lane_prtcl >= XFI1 && lane_prtcl <= XFI8)
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wriop_init_dpmac(sd,
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xfi_dpmac[lane_prtcl],
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(int)lane_prtcl);
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if (lane_prtcl >= SGMII1 &&
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lane_prtcl <= SGMII16)
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wriop_init_dpmac(sd, sgmii_dpmac[
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lane_prtcl],
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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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/* Set the first element to indicate serdes has been initialized */
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serdes_prtcl_map[NONE] = 1;
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}
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void fsl_serdes_init(void)
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{
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#if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD)
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int i , j;
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for (i = XFI1, j = 1; i <= XFI8; i++, j++)
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xfi_dpmac[i] = j;
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for (i = SGMII1, j = 1; i <= SGMII16; i++, j++)
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sgmii_dpmac[i] = j;
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#endif
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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_SRDS1_REGSR,
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FSL_CHASSIS3_SRDS1_PRTCL_MASK,
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FSL_CHASSIS3_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_SRDS2_REGSR,
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FSL_CHASSIS3_SRDS2_PRTCL_MASK,
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FSL_CHASSIS3_SRDS2_PRTCL_SHIFT,
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serdes2_prtcl_map);
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#endif
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}
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