[PATCH 1/2] ahci: add generic driver

[Jean-Christophe PLAGNIOL-VILLARD]

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
 drivers/ata/Kconfig        |    4 ++++
 drivers/ata/Makefile       |    2 ++
 drivers/ata/ahci-generic.c |   47 ++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 53 insertions(+)
 create mode 100644 drivers/ata/ahci-generic.c

diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index ff6528a..41dc811 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -37,6 +37,10 @@ config DISK_AHCI
 	select DISK_ATA
 	select DISK_DRIVE
 
+config DISK_AHCI_GENERIC
+	depends on DISK_AHCI
+	bool "AHCI generic support"
+
 config DISK_AHCI_IMX
 	depends on DISK_AHCI
 	bool "i.MX AHCI support"
diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile
index c444c4d..802bd61 100644
--- a/drivers/ata/Makefile
+++ b/drivers/ata/Makefile
@@ -4,8 +4,10 @@ obj-$(CONFIG_DISK_BIOS) += disk_bios_drive.o
 obj-$(CONFIG_DISK_IDE_SFF) += ide-sff.o
 obj-$(CONFIG_DISK_ATA) += disk_ata_drive.o
 obj-$(CONFIG_DISK_AHCI) += ahci.o
+obj-$(CONFIG_DISK_AHCI_GENERIC) += ahci-generic.o
 obj-$(CONFIG_DISK_AHCI_IMX) += sata-imx.o
 
+
 # interface types
 
 obj-$(CONFIG_DISK_INTF_PLATFORM_IDE) += intf_platform_ide.o
diff --git a/drivers/ata/ahci-generic.c b/drivers/ata/ahci-generic.c
new file mode 100644
index 0000000..4077627
--- /dev/null
+++ b/drivers/ata/ahci-generic.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnio at jcrosoft.com>
+ *
+ * GPLv2 only
+ */
+
+#include <common.h>
+#include <ata_drive.h>
+#include <io.h>
+#include <driver.h>
+#include <init.h>
+#include <malloc.h>
+#include "ahci.h"
+
+static int ahci_probe(struct device_d *dev)
+{
+	struct ahci_device *ahci;
+	int ret;
+
+	ahci = xzalloc(sizeof(*ahci));
+
+	ahci->mmio_base = dev_request_mem_region(dev, 0);
+
+	ahci->dev = dev;
+	dev->priv = ahci;
+	ret = ahci_add_host(ahci);
+	if (ret)
+		goto err_free;
+
+	return 0;
+
+err_free:
+	free(ahci);
+
+	return ret;
+}
+
+static struct driver_d ahci_driver = {
+	.name	= "ahci",
+	.probe	= ahci_probe,
+};
+
+static int ahci_init(void)
+{
+	return platform_driver_register(&ahci_driver);
+}
+device_initcall(ahci_init);
-- 
1.7.10.4