+++ /dev/null
---- a/arch/arm/mach-cns3xxx/devices.c
-+++ b/arch/arm/mach-cns3xxx/devices.c
-@@ -41,7 +41,7 @@ static struct resource cns3xxx_ahci_reso
- static u64 cns3xxx_ahci_dmamask = DMA_BIT_MASK(32);
-
- static struct platform_device cns3xxx_ahci_pdev = {
-- .name = "ahci",
-+ .name = "ahci-cns3xxx",
- .id = 0,
- .resource = cns3xxx_ahci_resource,
- .num_resources = ARRAY_SIZE(cns3xxx_ahci_resource),
---- a/drivers/ata/Kconfig
-+++ b/drivers/ata/Kconfig
-@@ -83,6 +83,17 @@ config SATA_AHCI_PLATFORM
-
- If unsure, say N.
-
-+config SATA_AHCI_CNS3XXX
-+ bool "AHCI Support on the Cavium Networks CNS3xxx SOC"
-+ depends on ARCH_CNS3XXX
-+ depends on SATA_AHCI_PLATFORM
-+ help
-+ This option enables AHCI platform driver to support CNS3xxx
-+ System-on-Chip devices. This is only needed when using CNS3xxx AHCI
-+ controller.
-+
-+ If unsure, say N.
-+
- config SATA_FSL
- tristate "Freescale 3.0Gbps SATA support"
- depends on FSL_SOC
---- a/drivers/ata/Makefile
-+++ b/drivers/ata/Makefile
-@@ -4,7 +4,10 @@ obj-$(CONFIG_ATA) += libata.o
- # non-SFF interface
- obj-$(CONFIG_SATA_AHCI) += ahci.o libahci.o
- obj-$(CONFIG_SATA_ACARD_AHCI) += acard-ahci.o libahci.o
--obj-$(CONFIG_SATA_AHCI_PLATFORM) += ahci_platform.o libahci.o
-+obj-$(CONFIG_SATA_AHCI_PLATFORM) += ahci_platforms.o libahci.o
-+ahci_platforms-y += ahci_platform.o
-+ahci_platforms-$(CONFIG_SATA_AHCI_CNS3XXX) += ahci_cns3xxx.o
-+
- obj-$(CONFIG_SATA_FSL) += sata_fsl.o
- obj-$(CONFIG_SATA_INIC162X) += sata_inic162x.o
- obj-$(CONFIG_SATA_SIL24) += sata_sil24.o
---- /dev/null
-+++ b/drivers/ata/ahci_cns3xxx.c
-@@ -0,0 +1,52 @@
-+/*
-+ * AHCI support for CNS3xxx SoC
-+ *
-+ * Copyright 2010 MontaVista Software, LLC.
-+ * Copyright 2010 Cavium Networks
-+ *
-+ * Authors: Anton Vorontsov <avorontsov@xxxxxxxxxx>
-+ * Mac Lin <mkl0301@xxxxxxxxx>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+#include <linux/libata.h>
-+#include <linux/ahci_platform.h>
-+#include "ahci.h"
-+
-+/*
-+ * TODO: move cns3xxx_ahci_init to here after cns3xxx_pwr*() calls are
-+ * thread-safe
-+ */
-+
-+static int cns3xxx_ahci_softreset(struct ata_link *link, unsigned int *class,
-+ unsigned long deadline)
-+{
-+ int pmp = sata_srst_pmp(link);
-+ int ret;
-+
-+ ret = ahci_do_softreset(link, class, pmp, deadline, ahci_check_ready);
-+ if (pmp && ret)
-+ return ahci_do_softreset(link, class, 0, deadline,
-+ ahci_check_ready);
-+ return ret;
-+}
-+
-+static struct ata_port_operations cns3xxx_ahci_ops = {
-+ .inherits = &ahci_ops,
-+ .softreset = cns3xxx_ahci_softreset,
-+};
-+
-+static const struct ata_port_info cns3xxx_ata_port_info = {
-+ .flags = AHCI_FLAG_COMMON,
-+ .pio_mask = ATA_PIO4,
-+ .udma_mask = ATA_UDMA6,
-+ .port_ops = &cns3xxx_ahci_ops,
-+};
-+
-+struct ahci_platform_data cns3xxx_ahci_platform_data = {
-+ .ata_port_info = &cns3xxx_ata_port_info,
-+};
-+
---- a/drivers/ata/ahci_platform.c
-+++ b/drivers/ata/ahci_platform.c
-@@ -19,9 +19,11 @@
- #include <linux/interrupt.h>
- #include <linux/device.h>
- #include <linux/platform_device.h>
-+#include <linux/mod_devicetable.h>
- #include <linux/libata.h>
- #include <linux/ahci_platform.h>
- #include "ahci.h"
-+#include "ahci_platform.h"
-
- static struct scsi_host_template ahci_platform_sht = {
- AHCI_SHT("ahci_platform"),
-@@ -29,6 +31,7 @@ static struct scsi_host_template ahci_pl
-
- static int __init ahci_probe(struct platform_device *pdev)
- {
-+ const struct platform_device_id *platid = platform_get_device_id(pdev);
- struct device *dev = &pdev->dev;
- struct ahci_platform_data *pdata = dev->platform_data;
- struct ata_port_info pi = {
-@@ -46,6 +49,9 @@ static int __init ahci_probe(struct plat
- int i;
- int rc;
-
-+ if (!pdata && platid && platid->driver_data)
-+ pdata = (void *)platid->driver_data;
-+
- mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!mem) {
- dev_err(dev, "no mmio space\n");
-@@ -171,17 +177,28 @@ static int __devexit ahci_remove(struct
- return 0;
- }
-
-+static const struct platform_device_id ahci_platform_ids[] = {
-+ { "ahci", },
-+#ifdef CONFIG_SATA_AHCI_CNS3XXX
-+ { "ahci-cns3xxx", (kernel_ulong_t)&cns3xxx_ahci_platform_data},
-+#endif
-+ { },
-+};
-+MODULE_DEVICE_TABLE(platform, ahci_platform_ids);
-+
- static struct platform_driver ahci_driver = {
-- .remove = __devexit_p(ahci_remove),
- .driver = {
- .name = "ahci",
- .owner = THIS_MODULE,
- },
-+ .probe = ahci_probe,
-+ .remove = __devexit_p(ahci_remove),
-+ .id_table = ahci_platform_ids,
- };
-
- static int __init ahci_init(void)
- {
-- return platform_driver_probe(&ahci_driver, ahci_probe);
-+ return platform_driver_register(&ahci_driver);
- }
- module_init(ahci_init);
-
-@@ -194,4 +211,3 @@ module_exit(ahci_exit);
- MODULE_DESCRIPTION("AHCI SATA platform driver");
- MODULE_AUTHOR("Anton Vorontsov <avorontsov@ru.mvista.com>");
- MODULE_LICENSE("GPL");
--MODULE_ALIAS("platform:ahci");
---- /dev/null
-+++ b/drivers/ata/ahci_platform.h
-@@ -0,0 +1,19 @@
-+/*
-+ * Copyright 2010 MontaVista Software, LLC.
-+ * Copyright 2010 Cavium Networks
-+ *
-+ * Authors: Anton Vorontsov <avorontsov@xxxxxxxxxx>
-+ * Mac Lin <mkl0301@xxxxxxxxx>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+#ifndef _DRIVERS_SATA_AHCI_PLATFORMS_H
-+#define _DRIVERS_SATA_AHCI_PLATFORMS_H
-+
-+extern struct ahci_platform_data cns3xxx_ahci_platform_data;
-+
-+#endif /*_DRIVERS_SATA_AHCI_PLATFORMS_H*/
-+
projects / openwrt / svn-archive / archive.git / blobdiff