armv8: fsl-lsch2: configure pfe's DDR and HDBUS interfaces and ECC
1. Set AWCACHE0 attribute of PFE DDR and HDBUS master interfaces
to bufferable.
2. Set RD/WR QoS for PFE DDR and HDBUS AXI master interfaces.
3. Disable ECC detection for PFE.
Signed-off-by: Calvin Johnson <calvin.johnson@nxp.com>
Signed-off-by: Anjaneyulu Jagarlmudi <anji.jagarlmudi@nxp.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
index b9f837d..18fb937 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
@@ -612,6 +612,29 @@
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 +
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h
index d6f0c5b..af68af4 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h
@@ -205,6 +205,8 @@
/* Device Configuration and Pin Control */
#define DCFG_DCSR_PORCR1 0x0
+#define DCFG_DCSR_ECCCR2 0x524
+#define DISABLE_PFE_ECC BIT(13)
struct ccsr_gur {
u32 porsr1; /* POR status 1 */
@@ -410,6 +412,14 @@
#define SCFG_PFEASBCR_ARSNP BIT(27)
#define SCFG_PFEASBCR_AWSNP BIT(26)
+/* WR_QoS1 PFE bit definitions */
+#define SCFG_WR_QOS1_PFE1_QOS GENMASK(27, 24)
+#define SCFG_WR_QOS1_PFE2_QOS GENMASK(23, 20)
+
+/* RD_QoS1 PFE bit definitions */
+#define SCFG_RD_QOS1_PFE1_QOS GENMASK(27, 24)
+#define SCFG_RD_QOS1_PFE2_QOS GENMASK(23, 20)
+
/* Supplemental Configuration Unit */
struct ccsr_scfg {
u8 res_000[0x100-0x000];
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/soc.h b/arch/arm/include/asm/arch-fsl-layerscape/soc.h
index cb760b5..d9bfddb 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/soc.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/soc.h
@@ -127,6 +127,9 @@
int setup_chip_volt(void);
/* Setup core vdd in unit mV */
int board_setup_core_volt(u32 vdd);
+#ifdef CONFIG_FSL_PFE
+void init_pfe_scfg_dcfg_regs(void);
+#endif
#endif
void cpu_name(char *name);