armv7: ls102xa: Add workaround for DDR erratum A-008850
Barrier transactions from CCI400 need to be disabled till
the DDR is configured, otherwise it may lead to system hang.
The patch adds workaround to fix the erratum.
Signed-off-by: Shengzhou Liu <Shengzhou.Liu@nxp.com>
Signed-off-by: Alison Wang <alison.wang@nxp.com>
Reviewed-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
diff --git a/board/freescale/ls1021aiot/ls1021aiot.c b/board/freescale/ls1021aiot/ls1021aiot.c
index fb05b55..70992a5 100644
--- a/board/freescale/ls1021aiot/ls1021aiot.c
+++ b/board/freescale/ls1021aiot/ls1021aiot.c
@@ -97,6 +97,8 @@
ddrmc_init();
#endif
+ erratum_a008850_post();
+
gd->ram_size = DDR_SIZE;
return 0;
}
diff --git a/board/freescale/ls1021aqds/ddr.c b/board/freescale/ls1021aqds/ddr.c
index 98faf93..d3e2e53 100644
--- a/board/freescale/ls1021aqds/ddr.c
+++ b/board/freescale/ls1021aqds/ddr.c
@@ -179,6 +179,8 @@
fsl_dp_resume();
#endif
+ erratum_a008850_post();
+
gd->ram_size = dram_size;
return 0;
diff --git a/board/freescale/ls1021aqds/ddr.h b/board/freescale/ls1021aqds/ddr.h
index ff1fe8e..58a8838 100644
--- a/board/freescale/ls1021aqds/ddr.h
+++ b/board/freescale/ls1021aqds/ddr.h
@@ -5,6 +5,9 @@
#ifndef __DDR_H__
#define __DDR_H__
+
+void erratum_a008850_post(void);
+
struct board_specific_parameters {
u32 n_ranks;
u32 datarate_mhz_high;
diff --git a/board/freescale/ls1021aqds/ls1021aqds.c b/board/freescale/ls1021aqds/ls1021aqds.c
index c08be1e..2ca2bd9 100644
--- a/board/freescale/ls1021aqds/ls1021aqds.c
+++ b/board/freescale/ls1021aqds/ls1021aqds.c
@@ -200,10 +200,6 @@
#ifdef CONFIG_SPL_BUILD
void board_init_f(ulong dummy)
{
- struct ccsr_cci400 *cci = (struct ccsr_cci400 *)(CONFIG_SYS_IMMR +
- CONFIG_SYS_CCI400_OFFSET);
- unsigned int major;
-
#ifdef CONFIG_NAND_BOOT
struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
u32 porsr1, pinctl;
@@ -240,10 +236,6 @@
i2c_init_all();
#endif
- major = get_soc_major_rev();
- if (major == SOC_MAJOR_VER_1_0)
- out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER);
-
timer_init();
dram_init();
@@ -420,22 +412,12 @@
int board_init(void)
{
- struct ccsr_cci400 *cci = (struct ccsr_cci400 *)(CONFIG_SYS_IMMR +
- CONFIG_SYS_CCI400_OFFSET);
- unsigned int major;
-
#ifdef CONFIG_SYS_FSL_ERRATUM_A010315
erratum_a010315();
#endif
#ifdef CONFIG_SYS_FSL_ERRATUM_A009942
erratum_a009942_check_cpo();
#endif
- major = get_soc_major_rev();
- if (major == SOC_MAJOR_VER_1_0) {
- /* Set CCI-400 control override register to
- * enable barrier transaction */
- out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
- }
select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
@@ -456,18 +438,6 @@
#if defined(CONFIG_DEEP_SLEEP)
void board_sleep_prepare(void)
{
- struct ccsr_cci400 __iomem *cci = (void *)(CONFIG_SYS_IMMR +
- CONFIG_SYS_CCI400_OFFSET);
- unsigned int major;
-
- major = get_soc_major_rev();
- if (major == SOC_MAJOR_VER_1_0) {
- /* Set CCI-400 control override register to
- * enable barrier transaction */
- out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
- }
-
-
#ifdef CONFIG_LAYERSCAPE_NS_ACCESS
enable_layerscape_ns_access();
#endif
diff --git a/board/freescale/ls1021atwr/ls1021atwr.c b/board/freescale/ls1021atwr/ls1021atwr.c
index beb82ce..01ba1bc 100644
--- a/board/freescale/ls1021atwr/ls1021atwr.c
+++ b/board/freescale/ls1021atwr/ls1021atwr.c
@@ -222,6 +222,8 @@
ddrmc_init();
#endif
+ erratum_a008850_post();
+
gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
#if defined(CONFIG_DEEP_SLEEP) && !defined(CONFIG_SPL_BUILD)