From da419027afe8336284f5db9867a880dfb3b3ab26 Mon Sep 17 00:00:00 2001
From: Minghuan Lian <Minghuan.Lian@freescale.com>
Date: Fri, 31 Oct 2014 13:43:44 +0800
Subject: arm: ls102xa: Update PCIe dts node status

The patch changes PCIe dts node status to 'disabled' if the
corresponding controller is disabled according to serdes protocol.

Signed-off-by: Minghuan Lian <Minghuan.Lian@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
---
 drivers/pci/Makefile          |  1 +
 drivers/pci/pcie_layerscape.c | 51 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 52 insertions(+)
 create mode 100644 drivers/pci/pcie_layerscape.c

(limited to 'drivers/pci')

diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index 55d6a9b322..85e82bdb8c 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -17,3 +17,4 @@ obj-$(CONFIG_SH7751_PCI) +=pci_sh7751.o
 obj-$(CONFIG_SH7780_PCI) +=pci_sh7780.o
 obj-$(CONFIG_TSI108_PCI) += tsi108_pci.o
 obj-$(CONFIG_WINBOND_83C553) += w83c553f.o
+obj-$(CONFIG_PCIE_LAYERSCAPE) += pcie_layerscape.o
diff --git a/drivers/pci/pcie_layerscape.c b/drivers/pci/pcie_layerscape.c
new file mode 100644
index 0000000000..291c249c86
--- /dev/null
+++ b/drivers/pci/pcie_layerscape.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ * Layerscape PCIe driver
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/fsl_serdes.h>
+#include <pci.h>
+#include <asm/io.h>
+#include <asm/pcie_layerscape.h>
+
+#ifdef CONFIG_OF_BOARD_SETUP
+#include <libfdt.h>
+#include <fdt_support.h>
+
+static void ft_pcie_ls_setup(void *blob, const char *pci_compat,
+			     unsigned long ctrl_addr, enum srds_prtcl dev)
+{
+	int off;
+
+	off = fdt_node_offset_by_compat_reg(blob, pci_compat,
+					    (phys_addr_t)ctrl_addr);
+	if (off < 0)
+		return;
+
+	if (!is_serdes_configured(dev))
+		fdt_set_node_status(blob, off, FDT_STATUS_DISABLED, 0);
+}
+
+void ft_pcie_setup(void *blob, bd_t *bd)
+{
+	#ifdef CONFIG_PCIE1
+	ft_pcie_ls_setup(blob, FSL_PCIE_COMPAT, CONFIG_SYS_PCIE1_ADDR, PCIE1);
+	#endif
+
+	#ifdef CONFIG_PCIE2
+	ft_pcie_ls_setup(blob, FSL_PCIE_COMPAT, CONFIG_SYS_PCIE2_ADDR, PCIE2);
+	#endif
+}
+
+#else
+void ft_pcie_setup(void *blob, bd_t *bd)
+{
+}
+#endif
+
+void pci_init_board(void)
+{
+}
-- 
cgit v1.2.3