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-rw-r--r--arch/powerpc/cpu/mpc85xx/cmd_errata.c3
-rw-r--r--arch/powerpc/cpu/mpc85xx/fsl_corenet2_serdes.c148
-rw-r--r--arch/powerpc/include/asm/config_mpc85xx.h6
-rw-r--r--arch/powerpc/include/asm/immap_85xx.h33
4 files changed, 188 insertions, 2 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/cmd_errata.c b/arch/powerpc/cpu/mpc85xx/cmd_errata.c
index f69c834..3a04a89 100644
--- a/arch/powerpc/cpu/mpc85xx/cmd_errata.c
+++ b/arch/powerpc/cpu/mpc85xx/cmd_errata.c
@@ -269,6 +269,9 @@ static int do_errata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
#ifdef CONFIG_SYS_FSL_ERRATUM_USB14
puts("Work-around for Erratum USB14 enabled\n");
#endif
+#ifdef CONFIG_SYS_FSL_ERRATUM_A007186
+ puts("Work-around for Erratum A007186 enabled\n");
+#endif
#ifdef CONFIG_SYS_FSL_ERRATUM_A006593
puts("Work-around for Erratum A006593 enabled\n");
#endif
diff --git a/arch/powerpc/cpu/mpc85xx/fsl_corenet2_serdes.c b/arch/powerpc/cpu/mpc85xx/fsl_corenet2_serdes.c
index 70e09ea..d1fc76a 100644
--- a/arch/powerpc/cpu/mpc85xx/fsl_corenet2_serdes.c
+++ b/arch/powerpc/cpu/mpc85xx/fsl_corenet2_serdes.c
@@ -147,12 +147,43 @@ int serdes_get_first_lane(u32 sd, enum srds_prtcl device)
return -ENODEV;
}
+#define BC3_SHIFT 9
+#define DC3_SHIFT 6
+#define FC3_SHIFT 0
+#define BC2_SHIFT 19
+#define DC2_SHIFT 16
+#define FC2_SHIFT 10
+#define BC1_SHIFT 29
+#define DC1_SHIFT 26
+#define FC1_SHIFT 20
+#define BC_MASK 0x1
+#define DC_MASK 0x7
+#define FC_MASK 0x3F
+
+#define FUSE_VAL_MASK 0x00000003
+#define FUSE_VAL_SHIFT 30
+#define CR0_DCBIAS_SHIFT 5
+#define CR1_FCAP_SHIFT 15
+#define CR1_BCAP_SHIFT 29
+#define FCAP_MASK 0x001F8000
+#define BCAP_MASK 0x20000000
+#define BCAP_OVD_MASK 0x10000000
+#define BYP_CAL_MASK 0x02000000
+
u64 serdes_init(u32 sd, u32 sd_addr, u32 sd_prctl_mask, u32 sd_prctl_shift)
{
ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
u64 serdes_prtcl_map = 0;
u32 cfg;
int lane;
+#ifdef CONFIG_SYS_FSL_ERRATUM_A007186
+ struct ccsr_sfp_regs __iomem *sfp_regs =
+ (struct ccsr_sfp_regs __iomem *)(CONFIG_SYS_SFP_ADDR);
+ u32 pll_num, pll_status, bc, dc, fc, pll_cr_upd, pll_cr0, pll_cr1;
+ u32 bc_status, fc_status, dc_status, pll_sr2;
+ serdes_corenet_t __iomem *srds_regs = (void *)sd_addr;
+ u32 sfp_spfr0, sel;
+#endif
cfg = in_be32(&gur->rcwsr[4]) & sd_prctl_mask;
/* Is serdes enabled at all? */
@@ -161,6 +192,123 @@ u64 serdes_init(u32 sd, u32 sd_addr, u32 sd_prctl_mask, u32 sd_prctl_shift)
return 0;
}
+/* Erratum A-007186
+ * Freescale Scratch Pad Fuse Register n (SFP_FSPFR0)
+ * The workaround requires factory pre-set SerDes calibration values to be
+ * read from a fuse block(Freescale Scratch Pad Fuse Register SFP_FSPFR0)
+ * These values have been shown to work across the
+ * entire temperature range for all SerDes. These values are then written into
+ * the SerDes registers to calibrate the SerDes PLL.
+ *
+ * This workaround for the protocols and rates that only have the Ring VCO.
+ */
+#ifdef CONFIG_SYS_FSL_ERRATUM_A007186
+ sfp_spfr0 = in_be32(&sfp_regs->fsl_spfr0);
+ debug("A007186: sfp_spfr0= %x\n", sfp_spfr0);
+
+ sel = (sfp_spfr0 >> FUSE_VAL_SHIFT) & FUSE_VAL_MASK;
+
+ if (sel == 0x01 || sel == 0x02) {
+ for (pll_num = 0; pll_num < SRDS_MAX_BANK; pll_num++) {
+ pll_status = in_be32(&srds_regs->bank[pll_num].pllcr0);
+ debug("A007186: pll_num=%x pllcr0=%x\n",
+ pll_num, pll_status);
+ /* STEP 1 */
+ /* Read factory pre-set SerDes calibration values
+ * from fuse block(SFP scratch register-sfp_spfr0)
+ */
+ switch (pll_status & SRDS_PLLCR0_FRATE_SEL_MASK) {
+ case SRDS_PLLCR0_FRATE_SEL_3_0:
+ case SRDS_PLLCR0_FRATE_SEL_3_072:
+ debug("A007186: 3.0/3.072 protocol rate\n");
+ bc = (sfp_spfr0 >> BC1_SHIFT) & BC_MASK;
+ dc = (sfp_spfr0 >> DC1_SHIFT) & DC_MASK;
+ fc = (sfp_spfr0 >> FC1_SHIFT) & FC_MASK;
+ break;
+ case SRDS_PLLCR0_FRATE_SEL_3_125:
+ debug("A007186: 3.125 protocol rate\n");
+ bc = (sfp_spfr0 >> BC2_SHIFT) & BC_MASK;
+ dc = (sfp_spfr0 >> DC2_SHIFT) & DC_MASK;
+ fc = (sfp_spfr0 >> FC2_SHIFT) & FC_MASK;
+ break;
+ case SRDS_PLLCR0_FRATE_SEL_3_75:
+ debug("A007186: 3.75 protocol rate\n");
+ bc = (sfp_spfr0 >> BC1_SHIFT) & BC_MASK;
+ dc = (sfp_spfr0 >> DC1_SHIFT) & DC_MASK;
+ fc = (sfp_spfr0 >> FC1_SHIFT) & FC_MASK;
+ break;
+ default:
+ continue;
+ }
+
+ /* STEP 2 */
+ /* Write SRDSxPLLnCR1[11:16] = FC
+ * Write SRDSxPLLnCR1[2] = BC
+ */
+ pll_cr1 = in_be32(&srds_regs->bank[pll_num].pllcr1);
+ pll_cr_upd = (((bc << CR1_BCAP_SHIFT) & BCAP_MASK) |
+ ((fc << CR1_FCAP_SHIFT) & FCAP_MASK));
+ out_be32(&srds_regs->bank[pll_num].pllcr1,
+ (pll_cr_upd | pll_cr1));
+ debug("A007186: pll_num=%x Updated PLLCR1=%x\n",
+ pll_num, (pll_cr_upd | pll_cr1));
+ /* Write SRDSxPLLnCR0[24:26] = DC
+ */
+ pll_cr0 = in_be32(&srds_regs->bank[pll_num].pllcr0);
+ out_be32(&srds_regs->bank[pll_num].pllcr0,
+ pll_cr0 | (dc << CR0_DCBIAS_SHIFT));
+ debug("A007186: pll_num=%x, Updated PLLCR0=%x\n",
+ pll_num, (pll_cr0 | (dc << CR0_DCBIAS_SHIFT)));
+ /* Write SRDSxPLLnCR1[3] = 1
+ * Write SRDSxPLLnCR1[6] = 1
+ */
+ pll_cr1 = in_be32(&srds_regs->bank[pll_num].pllcr1);
+ pll_cr_upd = (BCAP_OVD_MASK | BYP_CAL_MASK);
+ out_be32(&srds_regs->bank[pll_num].pllcr1,
+ (pll_cr_upd | pll_cr1));
+ debug("A007186: pll_num=%x Updated PLLCR1=%x\n",
+ pll_num, (pll_cr_upd | pll_cr1));
+
+ /* STEP 3 */
+ /* Read the status Registers */
+ /* Verify SRDSxPLLnSR2[8] = BC */
+ pll_sr2 = in_be32(&srds_regs->bank[pll_num].pllsr2);
+ debug("A007186: pll_num=%x pllsr2=%x\n",
+ pll_num, pll_sr2);
+ bc_status = (pll_sr2 >> 23) & BC_MASK;
+ if (bc_status != bc)
+ debug("BC mismatch\n");
+ fc_status = (pll_sr2 >> 16) & FC_MASK;
+ if (fc_status != fc)
+ debug("FC mismatch\n");
+ pll_cr0 = in_be32(&srds_regs->bank[pll_num].pllcr0);
+ out_be32(&srds_regs->bank[pll_num].pllcr0, pll_cr0 |
+ 0x02000000);
+ pll_sr2 = in_be32(&srds_regs->bank[pll_num].pllsr2);
+ dc_status = (pll_sr2 >> 17) & DC_MASK;
+ if (dc_status != dc)
+ debug("DC mismatch\n");
+ pll_cr0 = in_be32(&srds_regs->bank[pll_num].pllcr0);
+ out_be32(&srds_regs->bank[pll_num].pllcr0, pll_cr0 &
+ 0xfdffffff);
+
+ /* STEP 4 */
+ /* Wait 750us to verify the PLL is locked
+ * by checking SRDSxPLLnCR0[8] = 1.
+ */
+ udelay(750);
+ pll_status = in_be32(&srds_regs->bank[pll_num].pllcr0);
+ debug("A007186: pll_num=%x pllcr0=%x\n",
+ pll_num, pll_status);
+
+ if ((pll_status & SRDS_PLLCR0_PLL_LCK) == 0)
+ printf("A007186 Serdes PLL not locked\n");
+ else
+ debug("A007186 Serdes PLL locked\n");
+ }
+ }
+#endif
+
cfg >>= sd_prctl_shift;
printf("Using SERDES%d Protocol: %d (0x%x)\n", sd + 1, cfg, cfg);
if (!is_serdes_prtcl_valid(sd, cfg))
diff --git a/arch/powerpc/include/asm/config_mpc85xx.h b/arch/powerpc/include/asm/config_mpc85xx.h
index c9fd2a5..712f2ef 100644
--- a/arch/powerpc/include/asm/config_mpc85xx.h
+++ b/arch/powerpc/include/asm/config_mpc85xx.h
@@ -675,8 +675,10 @@
#define CONFIG_SYS_FSL_ERRATUM_A005871
#define CONFIG_SYS_FSL_ERRATUM_A006261
#define CONFIG_SYS_FSL_ERRATUM_A006379
+#define CONFIG_SYS_FSL_ERRATUM_A007186
#define CONFIG_SYS_FSL_ERRATUM_A006593
#define CONFIG_SYS_CCSRBAR_DEFAULT 0xfe000000
+#define CONFIG_SYS_FSL_SFP_VER_3_0
#define CONFIG_SYS_FSL_PCI_VER_3_X
#elif defined(CONFIG_PPC_B4860) || defined(CONFIG_PPC_B4420)
@@ -702,12 +704,14 @@
#define CONFIG_SYS_FSL_ERRATUM_A_004934
#define CONFIG_SYS_FSL_ERRATUM_A005871
#define CONFIG_SYS_FSL_ERRATUM_A006379
+#define CONFIG_SYS_FSL_ERRATUM_A007186
#define CONFIG_SYS_FSL_ERRATUM_A006593
#define CONFIG_SYS_FSL_ERRATUM_A007075
#define CONFIG_SYS_FSL_ERRATUM_A006475
#define CONFIG_SYS_FSL_ERRATUM_A006384
#define CONFIG_SYS_FSL_ERRATUM_A007212
#define CONFIG_SYS_CCSRBAR_DEFAULT 0xfe000000
+#define CONFIG_SYS_FSL_SFP_VER_3_0
#ifdef CONFIG_PPC_B4860
#define CONFIG_SYS_FSL_CORES_PER_CLUSTER 4
@@ -827,8 +831,10 @@ defined(CONFIG_PPC_T1020) || defined(CONFIG_PPC_T1022)
#define CONFIG_SYS_FSL_ERRATUM_ESDHC111
#define CONFIG_SYS_FSL_ERRATUM_A006261
#define CONFIG_SYS_FSL_ERRATUM_A006593
+#define CONFIG_SYS_FSL_ERRATUM_A007186
#define CONFIG_SYS_FSL_ERRATUM_A006379
#define ESDHCI_QUIRK_BROKEN_TIMEOUT_VALUE
+#define CONFIG_SYS_FSL_SFP_VER_3_0
#elif defined(CONFIG_PPC_C29X)
diff --git a/arch/powerpc/include/asm/immap_85xx.h b/arch/powerpc/include/asm/immap_85xx.h
index eff573b..fe1dcc2 100644
--- a/arch/powerpc/include/asm/immap_85xx.h
+++ b/arch/powerpc/include/asm/immap_85xx.h
@@ -2521,14 +2521,17 @@ typedef struct serdes_corenet {
#define SRDS_PLLCR0_RFCK_SEL_150 0x30000000
#define SRDS_PLLCR0_RFCK_SEL_161_13 0x40000000
#define SRDS_PLLCR0_RFCK_SEL_122_88 0x50000000
+#define SRDS_PLLCR0_PLL_LCK 0x00800000
#define SRDS_PLLCR0_DCBIAS_OUT_EN 0x02000000
#define SRDS_PLLCR0_FRATE_SEL_MASK 0x000f0000
#define SRDS_PLLCR0_FRATE_SEL_5 0x00000000
+#define SRDS_PLLCR0_FRATE_SEL_4_9152 0x00030000
#define SRDS_PLLCR0_FRATE_SEL_3_75 0x00050000
#define SRDS_PLLCR0_FRATE_SEL_5_15 0x00060000
#define SRDS_PLLCR0_FRATE_SEL_4 0x00070000
-#define SRDS_PLLCR0_FRATE_SEL_3_12 0x00090000
-#define SRDS_PLLCR0_FRATE_SEL_3 0x000a0000
+#define SRDS_PLLCR0_FRATE_SEL_3_125 0x00090000
+#define SRDS_PLLCR0_FRATE_SEL_3_0 0x000a0000
+#define SRDS_PLLCR0_FRATE_SEL_3_072 0x000c0000
#define SRDS_PLLCR0_DCBIAS_OVRD 0x000000F0
#define SRDS_PLLCR0_DCBIAS_OVRD_SHIFT 4
u32 pllcr1; /* PLL Control Register 1 */
@@ -2863,6 +2866,21 @@ struct ccsr_pman {
u8 res_f4[0xf0c];
};
#endif
+#ifdef CONFIG_SYS_FSL_SFP_VER_3_0
+struct ccsr_sfp_regs {
+ u32 ospr; /* 0x200 */
+ u32 reserved0[14];
+ u32 srk_hash[8]; /* 0x23c Super Root Key Hash */
+ u32 oem_uid; /* 0x9c OEM Unique ID */
+ u8 reserved2[0x04];
+ u32 ovpr; /* 0xA4 Intent To Secure */
+ u8 reserved4[0x08];
+ u32 fsl_uid; /* 0xB0 FSL Unique ID */
+ u8 reserved5[0x04];
+ u32 fsl_spfr0; /* Scratch Pad Fuse Register 0 */
+ u32 fsl_spfr1; /* Scratch Pad Fuse Register 1 */
+};
+#endif
#ifdef CONFIG_FSL_CORENET
#define CONFIG_SYS_FSL_CORENET_CCM_OFFSET 0x0000
@@ -2876,6 +2894,14 @@ struct ccsr_pman {
#define CONFIG_SYS_MPC8xxx_DDR3_OFFSET 0xA000
#define CONFIG_SYS_FSL_CORENET_CLK_OFFSET 0xE1000
#define CONFIG_SYS_FSL_CORENET_RCPM_OFFSET 0xE2000
+#ifdef CONFIG_SYS_FSL_SFP_VER_3_0
+/* In SFPv3, OSPR register is now at offset 0x200.
+ * * So directly mapping sfp register map to this address */
+#define CONFIG_SYS_OSPR_OFFSET 0x200
+#define CONFIG_SYS_SFP_OFFSET (0xE8000 + CONFIG_SYS_OSPR_OFFSET)
+#else
+#define CONFIG_SYS_SFP_OFFSET 0xE8000
+#endif
#define CONFIG_SYS_FSL_CORENET_SERDES_OFFSET 0xEA000
#define CONFIG_SYS_FSL_CORENET_SERDES2_OFFSET 0xEB000
#define CONFIG_SYS_FSL_CPC_OFFSET 0x10000
@@ -3094,6 +3120,9 @@ struct ccsr_pman {
#define CONFIG_SYS_PCIE4_ADDR \
(CONFIG_SYS_IMMR + CONFIG_SYS_MPC85xx_PCIE4_OFFSET)
+#define CONFIG_SYS_SFP_ADDR \
+ (CONFIG_SYS_IMMR + CONFIG_SYS_SFP_OFFSET)
+
#define TSEC_BASE_ADDR (CONFIG_SYS_IMMR + CONFIG_SYS_TSEC1_OFFSET)
#define MDIO_BASE_ADDR (CONFIG_SYS_IMMR + CONFIG_SYS_MDIO1_OFFSET)
generated by cgit v1.1 at 2024-11-10 16:47:47 +0000