static u32 serdes_prtcl_map;
-#define HWCONFIG_BUFFER_SIZE 128
-
#ifdef DEBUG
static const char *serdes_prtcl_str[] = {
[NONE] = "NA",
{ 17, 163, FSL_SRDS_BANK_2 },
{ 18, 164, FSL_SRDS_BANK_2 },
{ 19, 165, FSL_SRDS_BANK_2 },
+#ifdef CONFIG_PPC_P4080
{ 20, 170, FSL_SRDS_BANK_3 },
{ 21, 171, FSL_SRDS_BANK_3 },
{ 22, 172, FSL_SRDS_BANK_3 },
{ 23, 173, FSL_SRDS_BANK_3 },
+#else
+ { 20, 166, FSL_SRDS_BANK_3 },
+ { 21, 167, FSL_SRDS_BANK_3 },
+ { 22, 168, FSL_SRDS_BANK_3 },
+ { 23, 169, FSL_SRDS_BANK_3 },
+#endif
};
int serdes_get_lane_idx(int lane)
ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
int cfg;
serdes_corenet_t *srds_regs;
+#ifdef CONFIG_PPC_P5040
+ serdes_corenet_t *srds2_regs;
+#endif
int lane, bank, idx;
int have_bank[SRDS_MAX_BANK] = {};
#ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
}
}
+#ifdef CONFIG_PPC_P5040
+ /*
+ * Lanes on bank 4 on P5040 are commented-out, but for some SERDES
+ * protocols, these lanes are routed to SATA. We use serdes_prtcl_map
+ * to decide whether a protocol is supported on a given lane, so SATA
+ * will be identified as not supported, and therefore not initialized.
+ * So for protocols which use SATA on bank4, we add SATA support in
+ * serdes_prtcl_map.
+ */
+ switch (cfg) {
+ case 0x0:
+ case 0x1:
+ case 0x2:
+ case 0x3:
+ case 0x4:
+ case 0x5:
+ case 0x6:
+ case 0x7:
+ serdes_prtcl_map |= 1 << SATA1 | 1 << SATA2;
+ break;
+ default:
+ srds2_regs = (void *)CONFIG_SYS_FSL_CORENET_SERDES2_ADDR;
+
+ /* We don't need bank 4, so power it down */
+ setbits_be32(&srds2_regs->bank[0].rstctl, SRDS_RSTCTL_SDPD);
+ }
+#endif
+
soc_serdes_init();
#ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
}
}
+#ifdef CONFIG_SYS_FSL_ERRATUM_A004699
+ /*
+ * To avoid the situation that resulted in the P4080 erratum
+ * SERDES-8, a given SerDes bank will use the PLLs from the previous
+ * bank if one of the PLL frequencies is a multiple of the other. For
+ * instance, if bank 3 is running at 2.5GHz and bank 2 is at 1.25GHz,
+ * then bank 3 will use bank 2's PLL. P5040 Erratum A-004699 says
+ * that, in this situation, lane synchronization is not initiated. So
+ * when we detect a bank with a "borrowed" PLL, we have to manually
+ * initiate lane synchronization.
+ */
+ for (bank = FSL_SRDS_BANK_2; bank <= FSL_SRDS_BANK_3; bank++) {
+ /* Determine the first lane for this bank */
+ unsigned int lane;
+
+ for (lane = 0; lane < SRDS_MAX_LANES; lane++)
+ if (lanes[lane].bank == bank)
+ break;
+ idx = lanes[lane].idx;
+
+ /*
+ * Check if the PLL for the bank is borrowed. The UOTHL
+ * bit of the first lane will tell us that.
+ */
+ if (in_be32(&srds_regs->lane[idx].gcr0) & SRDS_GCR0_UOTHL) {
+ /* Manually start lane synchronization */
+ setbits_be32(&srds_regs->bank[bank].pllcr0,
+ SRDS_PLLCR0_PVCOCNT_EN);
+ }
+ }
+#endif
+
#if defined(CONFIG_SYS_P4080_ERRATUM_SERDES8) || defined (CONFIG_SYS_P4080_ERRATUM_SERDES9)
for (lane = 0; lane < SRDS_MAX_LANES; lane++) {
enum srds_prtcl lane_prtcl;