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-rw-r--r--arch/arm/plat-mxc/devices/platform-imx-pcie.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/devices/platform-imx-pcie.c b/arch/arm/plat-mxc/devices/platform-imx-pcie.c
new file mode 100644
index 00000000..7e0d630f
--- /dev/null
+++ b/arch/arm/plat-mxc/devices/platform-imx-pcie.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2012-2013 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <mach/hardware.h>
+#include <mach/devices-common.h>
+
+#define imx_pcie_data_entry_single(soc, _id, _hwid, size) \
+ { \
+ .id = _id, \
+ .iobase = soc ## _PCIE ## _hwid ## _BASE_ADDR, \
+ .iosize = size, \
+ .irq = soc ## _INT_PCIE ## _hwid, \
+ }
+
+#define imx_pcie_data_entry(soc, _id, _hwid, _size) \
+ [_id] = imx_pcie_data_entry_single(soc, _id, _hwid, _size)
+
+#ifdef CONFIG_SOC_IMX6Q
+#define MX6Q_PCIE_BASE_ADDR (PCIE_ARB_END_ADDR - SZ_16K + 1)
+#define MX6Q_INT_PCIE MXC_INT_PCIE_3
+const struct imx_pcie_data imx6q_pcie_data __initconst =
+ imx_pcie_data_entry_single(MX6Q, 0, , SZ_16K);
+#endif
+
+struct platform_device *__init imx_add_pcie(
+ const struct imx_pcie_data *data,
+ const struct imx_pcie_platform_data *pdata)
+{
+ struct resource res[] = {
+ {
+ .start = data->iobase,
+ .end = data->iobase + data->iosize - 1,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = data->irq,
+ .end = data->irq,
+ .flags = IORESOURCE_IRQ,
+ },
+ };
+
+ if (!fuse_dev_is_available(MXC_DEV_PCIE))
+ return ERR_PTR(-ENODEV);
+
+ return imx_add_platform_device("imx-pcie", -1,
+ res, ARRAY_SIZE(res),
+ pdata, sizeof(*pdata));
+}