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authorCalvin Johnson <calvin.johnson@nxp.com>2018-03-08 15:30:33 +0530
committerJoe Hershberger <joe.hershberger@ni.com>2018-03-22 15:05:30 -0500
commitc4dc68b02ff9f6c1ccb088a06cf0445e4031f093 (patch)
tree8563a0797b103a7edd5007186bc7bb9cb6e46116 /arch/arm/cpu/armv8/fsl-layerscape
parentc44f8125bc255f3c473d721441f1781a0d0bb1bc (diff)
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>
Diffstat (limited to 'arch/arm/cpu/armv8/fsl-layerscape')
-rw-r--r--arch/arm/cpu/armv8/fsl-layerscape/soc.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
index b9f837d58d..18fb937a3a 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
@@ -612,6 +612,29 @@ 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 +