X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=arch%2Farm%2Fcpu%2Farmv8%2Ffsl-layerscape%2Fsoc.c;h=2fdc0eb8d15acb25d9415fe7f5c394fc495a0aa0;hb=b25f8e2112b1582ce6386e846800a31bab688e50;hp=dc4a437344811d210995fd4b08ec7e9756975af8;hpb=1a62f8597c078597a627a60afc18ff49131bffa9;p=oweals%2Fu-boot.git

diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
index dc4a437344..2fdc0eb8d1 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
@@ -26,8 +26,6 @@
 #endif
 #include <fsl_immap.h>
 
-DECLARE_GLOBAL_DATA_PTR;
-
 bool soc_has_dp_ddr(void)
 {
 	struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
@@ -363,6 +361,45 @@ int sata_init(void)
 }
 #endif
 
+/* Get VDD in the unit mV from voltage ID */
+int get_core_volt_from_fuse(void)
+{
+	struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+	int vdd;
+	u32 fusesr;
+	u8 vid;
+
+	/* get the voltage ID from fuse status register */
+	fusesr = in_le32(&gur->dcfg_fusesr);
+	debug("%s: fusesr = 0x%x\n", __func__, fusesr);
+	vid = (fusesr >> FSL_CHASSIS3_DCFG_FUSESR_ALTVID_SHIFT) &
+		FSL_CHASSIS3_DCFG_FUSESR_ALTVID_MASK;
+	if ((vid == 0) || (vid == FSL_CHASSIS3_DCFG_FUSESR_ALTVID_MASK)) {
+		vid = (fusesr >> FSL_CHASSIS3_DCFG_FUSESR_VID_SHIFT) &
+			FSL_CHASSIS3_DCFG_FUSESR_VID_MASK;
+	}
+	debug("%s: VID = 0x%x\n", __func__, vid);
+	switch (vid) {
+	case 0x00: /* VID isn't supported */
+		vdd = -EINVAL;
+		debug("%s: The VID feature is not supported\n", __func__);
+		break;
+	case 0x08: /* 0.9V silicon */
+		vdd = 900;
+		break;
+	case 0x10: /* 1.0V silicon */
+		vdd = 1000;
+		break;
+	default:  /* Other core voltage */
+		vdd = -EINVAL;
+		debug("%s: The VID(%x) isn't supported\n", __func__, vid);
+		break;
+	}
+	debug("%s: The required minimum volt of CORE is %dmV\n", __func__, vdd);
+
+	return vdd;
+}
+
 #elif defined(CONFIG_FSL_LSCH2)
 #ifdef CONFIG_SCSI_AHCI_PLAT
 int sata_init(void)
@@ -573,6 +610,29 @@ int setup_chip_volt(void)
 	return 0;
 }
 
+#ifdef CONFIG_FSL_PFE
+void init_pfe_scfg_dcfg_regs(void)
+{
+	struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
+	u32 ecccr2;
+
+	out_be32(&scfg->pfeasbcr,
+		 in_be32(&scfg->pfeasbcr) | SCFG_PFEASBCR_AWCACHE0);
+	out_be32(&scfg->pfebsbcr,
+		 in_be32(&scfg->pfebsbcr) | SCFG_PFEASBCR_AWCACHE0);
+
+	/* CCI-400 QoS settings for PFE */
+	out_be32(&scfg->wr_qos1, (unsigned int)(SCFG_WR_QOS1_PFE1_QOS
+		 | SCFG_WR_QOS1_PFE2_QOS));
+	out_be32(&scfg->rd_qos1, (unsigned int)(SCFG_RD_QOS1_PFE1_QOS
+		 | SCFG_RD_QOS1_PFE2_QOS));
+
+	ecccr2 = in_be32(CONFIG_SYS_DCSR_DCFG_ADDR + DCFG_DCSR_ECCCR2);
+	out_be32((void *)CONFIG_SYS_DCSR_DCFG_ADDR + DCFG_DCSR_ECCCR2,
+		 ecccr2 | (unsigned int)DISABLE_PFE_ECC);
+}
+#endif
+
 void fsl_lsch2_early_init_f(void)
 {
 	struct ccsr_cci400 *cci = (struct ccsr_cci400 *)(CONFIG_SYS_IMMR +