From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: barebox@lists.infradead.org
Subject: [PATCH 1/2] ahci: add generic driver
Date: Mon, 11 Feb 2013 18:01:59 +0100 [thread overview]
Message-ID: <1360602120-11241-1-git-send-email-plagnioj@jcrosoft.com> (raw)
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@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@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
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next reply other threads:[~2013-02-11 17:03 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-11 17:01 Jean-Christophe PLAGNIOL-VILLARD [this message]
2013-02-11 17:02 ` [PATCH 2/2] ahci: handle COMINIT received during spin-up Jean-Christophe PLAGNIOL-VILLARD
2013-02-12 8:06 ` [PATCH 1/2] ahci: add generic driver Sascha Hauer
2013-02-13 9:29 ` Jean-Christophe PLAGNIOL-VILLARD
2013-02-13 17:09 ` Sascha Hauer
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