From b392a6d4b05b7409283cd75b4ac6bd12018d187a Mon Sep 17 00:00:00 2001
From: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Date: Tue, 2 Aug 2016 19:03:27 +0800
Subject: fsl-layerscape: Add workaround for PCIe erratum A010315

As the access to serders protocol unselected PCIe controller will
hang. So disable the R/W permission to unselected PCIe controller
including its CCSR, IO space and memory space according to the
serders protocol field of RCW.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
---
 board/freescale/ls1012aqds/ls1012aqds.c | 4 ++++
 board/freescale/ls1012ardb/ls1012ardb.c | 4 ++++
 board/freescale/ls1021aqds/ls1021aqds.c | 4 ++++
 board/freescale/ls1021atwr/ls1021atwr.c | 4 ++++
 board/freescale/ls1043aqds/ls1043aqds.c | 4 ++++
 board/freescale/ls1043ardb/ls1043ardb.c | 4 ++++
 6 files changed, 24 insertions(+)

(limited to 'board/freescale')

diff --git a/board/freescale/ls1012aqds/ls1012aqds.c b/board/freescale/ls1012aqds/ls1012aqds.c
index 852d683..874c122 100644
--- a/board/freescale/ls1012aqds/ls1012aqds.c
+++ b/board/freescale/ls1012aqds/ls1012aqds.c
@@ -206,6 +206,10 @@ int board_init(void)
 	out_le32(&cci->ctrl_ord,
 		 CCI400_CTRLORD_EN_BARRIER);
 
+#ifdef CONFIG_SYS_FSL_ERRATUM_A010315
+	erratum_a010315();
+#endif
+
 #ifdef CONFIG_ENV_IS_NOWHERE
 	gd->env_addr = (ulong)&default_environment[0];
 #endif
diff --git a/board/freescale/ls1012ardb/ls1012ardb.c b/board/freescale/ls1012ardb/ls1012ardb.c
index a3748de..6598ab3 100644
--- a/board/freescale/ls1012ardb/ls1012ardb.c
+++ b/board/freescale/ls1012ardb/ls1012ardb.c
@@ -202,6 +202,10 @@ int board_init(void)
 	 */
 	out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
 
+#ifdef CONFIG_SYS_FSL_ERRATUM_A010315
+	erratum_a010315();
+#endif
+
 #ifdef CONFIG_ENV_IS_NOWHERE
 	gd->env_addr = (ulong)&default_environment[0];
 #endif
diff --git a/board/freescale/ls1021aqds/ls1021aqds.c b/board/freescale/ls1021aqds/ls1021aqds.c
index 291b0f4..4eb38a7 100644
--- a/board/freescale/ls1021aqds/ls1021aqds.c
+++ b/board/freescale/ls1021aqds/ls1021aqds.c
@@ -430,6 +430,10 @@ int board_init(void)
 	struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR;
 	unsigned int major;
 
+#ifdef CONFIG_SYS_FSL_ERRATUM_A010315
+	erratum_a010315();
+#endif
+
 	major = get_soc_major_rev();
 	if (major == SOC_MAJOR_VER_1_0) {
 		/* Set CCI-400 control override register to
diff --git a/board/freescale/ls1021atwr/ls1021atwr.c b/board/freescale/ls1021atwr/ls1021atwr.c
index 85c036b..4638bed 100644
--- a/board/freescale/ls1021atwr/ls1021atwr.c
+++ b/board/freescale/ls1021atwr/ls1021atwr.c
@@ -480,6 +480,10 @@ void ls1twr_program_regulator(void)
 
 int board_init(void)
 {
+#ifdef CONFIG_SYS_FSL_ERRATUM_A010315
+	erratum_a010315();
+#endif
+
 #ifndef CONFIG_SYS_FSL_NO_SERDES
 	fsl_serdes_init();
 #if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI)
diff --git a/board/freescale/ls1043aqds/ls1043aqds.c b/board/freescale/ls1043aqds/ls1043aqds.c
index 1642557..8835a49 100644
--- a/board/freescale/ls1043aqds/ls1043aqds.c
+++ b/board/freescale/ls1043aqds/ls1043aqds.c
@@ -308,6 +308,10 @@ int misc_init_r(void)
 
 int board_init(void)
 {
+#ifdef CONFIG_SYS_FSL_ERRATUM_A010315
+	erratum_a010315();
+#endif
+
 	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
 	board_retimer_init();
 
diff --git a/board/freescale/ls1043ardb/ls1043ardb.c b/board/freescale/ls1043ardb/ls1043ardb.c
index 3399789..e213128 100644
--- a/board/freescale/ls1043ardb/ls1043ardb.c
+++ b/board/freescale/ls1043ardb/ls1043ardb.c
@@ -85,6 +85,10 @@ int board_init(void)
 {
 	struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
 
+#ifdef CONFIG_SYS_FSL_ERRATUM_A010315
+	erratum_a010315();
+#endif
+
 #ifdef CONFIG_FSL_IFC
 	init_final_memctl_regs();
 #endif
-- 
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