forked from luck/tmp_suning_uos_patched
Merge branch 'for-4.6-fixes' into for-4.7
This commit is contained in:
commit
f8d1a93930
|
@ -32,6 +32,10 @@ Optional properties:
|
|||
- target-supply : regulator for SATA target power
|
||||
- phys : reference to the SATA PHY node
|
||||
- phy-names : must be "sata-phy"
|
||||
- ports-implemented : Mask that indicates which ports that the HBA supports
|
||||
are available for software to use. Useful if PORTS_IMPL
|
||||
is not programmed by the BIOS, which is true with
|
||||
some embedded SOC's.
|
||||
|
||||
Required properties when using sub-nodes:
|
||||
- #address-cells : number of cells to encode an address
|
||||
|
|
|
@ -666,7 +666,7 @@ sata_phy0: phy@1b400000 {
|
|||
};
|
||||
|
||||
sata0: sata@29000000 {
|
||||
compatible = "generic-ahci";
|
||||
compatible = "qcom,apq8064-ahci", "generic-ahci";
|
||||
status = "disabled";
|
||||
reg = <0x29000000 0x180>;
|
||||
interrupts = <GIC_SPI 209 IRQ_TYPE_NONE>;
|
||||
|
@ -688,6 +688,7 @@ sata0: sata@29000000 {
|
|||
|
||||
phys = <&sata_phy0>;
|
||||
phy-names = "sata-phy";
|
||||
ports-implemented = <0x1>;
|
||||
};
|
||||
|
||||
/* Temporary fixed regulator */
|
||||
|
|
|
@ -202,6 +202,14 @@ config SATA_FSL
|
|||
|
||||
If unsure, say N.
|
||||
|
||||
config SATA_AHCI_SEATTLE
|
||||
tristate "AMD Seattle 6.0Gbps AHCI SATA host controller support"
|
||||
depends on ARCH_SEATTLE
|
||||
help
|
||||
This option enables support for AMD Seattle SATA host controller.
|
||||
|
||||
If unsure, say N
|
||||
|
||||
config SATA_INIC162X
|
||||
tristate "Initio 162x SATA support (Very Experimental)"
|
||||
depends on PCI
|
||||
|
|
|
@ -4,6 +4,7 @@ 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_SEATTLE) += ahci_seattle.o libahci.o libahci_platform.o
|
||||
obj-$(CONFIG_SATA_AHCI_PLATFORM) += ahci_platform.o libahci.o libahci_platform.o
|
||||
obj-$(CONFIG_SATA_FSL) += sata_fsl.o
|
||||
obj-$(CONFIG_SATA_INIC162X) += sata_inic162x.o
|
||||
|
|
|
@ -51,6 +51,9 @@ static int ahci_probe(struct platform_device *pdev)
|
|||
if (rc)
|
||||
return rc;
|
||||
|
||||
of_property_read_u32(dev->of_node,
|
||||
"ports-implemented", &hpriv->force_port_map);
|
||||
|
||||
if (of_device_is_compatible(dev->of_node, "hisilicon,hisi-ahci"))
|
||||
hpriv->flags |= AHCI_HFLAG_NO_FBS | AHCI_HFLAG_NO_NCQ;
|
||||
|
||||
|
|
210
drivers/ata/ahci_seattle.c
Normal file
210
drivers/ata/ahci_seattle.c
Normal file
|
@ -0,0 +1,210 @@
|
|||
/*
|
||||
* AMD Seattle AHCI SATA driver
|
||||
*
|
||||
* Copyright (c) 2015, Advanced Micro Devices
|
||||
* Author: Brijesh Singh <brijesh.singh@amd.com>
|
||||
*
|
||||
* based on the AHCI SATA platform driver by Jeff Garzik and Anton Vorontsov
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/pm.h>
|
||||
#include <linux/device.h>
|
||||
#include <linux/of_device.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/libata.h>
|
||||
#include <linux/ahci_platform.h>
|
||||
#include <linux/acpi.h>
|
||||
#include <linux/pci_ids.h>
|
||||
#include "ahci.h"
|
||||
|
||||
/* SGPIO Control Register definition
|
||||
*
|
||||
* Bit Type Description
|
||||
* 31 RW OD7.2 (activity)
|
||||
* 30 RW OD7.1 (locate)
|
||||
* 29 RW OD7.0 (fault)
|
||||
* 28...8 RW OD6.2...OD0.0 (3bits per port, 1 bit per LED)
|
||||
* 7 RO SGPIO feature flag
|
||||
* 6:4 RO Reserved
|
||||
* 3:0 RO Number of ports (0 means no port supported)
|
||||
*/
|
||||
#define ACTIVITY_BIT_POS(x) (8 + (3 * x))
|
||||
#define LOCATE_BIT_POS(x) (ACTIVITY_BIT_POS(x) + 1)
|
||||
#define FAULT_BIT_POS(x) (LOCATE_BIT_POS(x) + 1)
|
||||
|
||||
#define ACTIVITY_MASK 0x00010000
|
||||
#define LOCATE_MASK 0x00080000
|
||||
#define FAULT_MASK 0x00400000
|
||||
|
||||
#define DRV_NAME "ahci-seattle"
|
||||
|
||||
static ssize_t seattle_transmit_led_message(struct ata_port *ap, u32 state,
|
||||
ssize_t size);
|
||||
|
||||
struct seattle_plat_data {
|
||||
void __iomem *sgpio_ctrl;
|
||||
};
|
||||
|
||||
static struct ata_port_operations ahci_port_ops = {
|
||||
.inherits = &ahci_ops,
|
||||
};
|
||||
|
||||
static const struct ata_port_info ahci_port_info = {
|
||||
.flags = AHCI_FLAG_COMMON,
|
||||
.pio_mask = ATA_PIO4,
|
||||
.udma_mask = ATA_UDMA6,
|
||||
.port_ops = &ahci_port_ops,
|
||||
};
|
||||
|
||||
static struct ata_port_operations ahci_seattle_ops = {
|
||||
.inherits = &ahci_ops,
|
||||
.transmit_led_message = seattle_transmit_led_message,
|
||||
};
|
||||
|
||||
static const struct ata_port_info ahci_port_seattle_info = {
|
||||
.flags = AHCI_FLAG_COMMON | ATA_FLAG_EM | ATA_FLAG_SW_ACTIVITY,
|
||||
.link_flags = ATA_LFLAG_SW_ACTIVITY,
|
||||
.pio_mask = ATA_PIO4,
|
||||
.udma_mask = ATA_UDMA6,
|
||||
.port_ops = &ahci_seattle_ops,
|
||||
};
|
||||
|
||||
static struct scsi_host_template ahci_platform_sht = {
|
||||
AHCI_SHT(DRV_NAME),
|
||||
};
|
||||
|
||||
static ssize_t seattle_transmit_led_message(struct ata_port *ap, u32 state,
|
||||
ssize_t size)
|
||||
{
|
||||
struct ahci_host_priv *hpriv = ap->host->private_data;
|
||||
struct ahci_port_priv *pp = ap->private_data;
|
||||
struct seattle_plat_data *plat_data = hpriv->plat_data;
|
||||
unsigned long flags;
|
||||
int pmp;
|
||||
struct ahci_em_priv *emp;
|
||||
u32 val;
|
||||
|
||||
/* get the slot number from the message */
|
||||
pmp = (state & EM_MSG_LED_PMP_SLOT) >> 8;
|
||||
if (pmp >= EM_MAX_SLOTS)
|
||||
return -EINVAL;
|
||||
emp = &pp->em_priv[pmp];
|
||||
|
||||
val = ioread32(plat_data->sgpio_ctrl);
|
||||
if (state & ACTIVITY_MASK)
|
||||
val |= 1 << ACTIVITY_BIT_POS((ap->port_no));
|
||||
else
|
||||
val &= ~(1 << ACTIVITY_BIT_POS((ap->port_no)));
|
||||
|
||||
if (state & LOCATE_MASK)
|
||||
val |= 1 << LOCATE_BIT_POS((ap->port_no));
|
||||
else
|
||||
val &= ~(1 << LOCATE_BIT_POS((ap->port_no)));
|
||||
|
||||
if (state & FAULT_MASK)
|
||||
val |= 1 << FAULT_BIT_POS((ap->port_no));
|
||||
else
|
||||
val &= ~(1 << FAULT_BIT_POS((ap->port_no)));
|
||||
|
||||
iowrite32(val, plat_data->sgpio_ctrl);
|
||||
|
||||
spin_lock_irqsave(ap->lock, flags);
|
||||
|
||||
/* save off new led state for port/slot */
|
||||
emp->led_state = state;
|
||||
|
||||
spin_unlock_irqrestore(ap->lock, flags);
|
||||
|
||||
return size;
|
||||
}
|
||||
|
||||
static const struct ata_port_info *ahci_seattle_get_port_info(
|
||||
struct platform_device *pdev, struct ahci_host_priv *hpriv)
|
||||
{
|
||||
struct device *dev = &pdev->dev;
|
||||
struct seattle_plat_data *plat_data;
|
||||
u32 val;
|
||||
|
||||
plat_data = devm_kzalloc(dev, sizeof(*plat_data), GFP_KERNEL);
|
||||
if (IS_ERR(plat_data))
|
||||
return &ahci_port_info;
|
||||
|
||||
plat_data->sgpio_ctrl = devm_ioremap_resource(dev,
|
||||
platform_get_resource(pdev, IORESOURCE_MEM, 1));
|
||||
if (IS_ERR(plat_data->sgpio_ctrl))
|
||||
return &ahci_port_info;
|
||||
|
||||
val = ioread32(plat_data->sgpio_ctrl);
|
||||
|
||||
if (!(val & 0xf))
|
||||
return &ahci_port_info;
|
||||
|
||||
hpriv->em_loc = 0;
|
||||
hpriv->em_buf_sz = 4;
|
||||
hpriv->em_msg_type = EM_MSG_TYPE_LED;
|
||||
hpriv->plat_data = plat_data;
|
||||
|
||||
dev_info(dev, "SGPIO LED control is enabled.\n");
|
||||
return &ahci_port_seattle_info;
|
||||
}
|
||||
|
||||
static int ahci_seattle_probe(struct platform_device *pdev)
|
||||
{
|
||||
int rc;
|
||||
struct ahci_host_priv *hpriv;
|
||||
|
||||
hpriv = ahci_platform_get_resources(pdev);
|
||||
if (IS_ERR(hpriv))
|
||||
return PTR_ERR(hpriv);
|
||||
|
||||
rc = ahci_platform_enable_resources(hpriv);
|
||||
if (rc)
|
||||
return rc;
|
||||
|
||||
rc = ahci_platform_init_host(pdev, hpriv,
|
||||
ahci_seattle_get_port_info(pdev, hpriv),
|
||||
&ahci_platform_sht);
|
||||
if (rc)
|
||||
goto disable_resources;
|
||||
|
||||
return 0;
|
||||
disable_resources:
|
||||
ahci_platform_disable_resources(hpriv);
|
||||
return rc;
|
||||
}
|
||||
|
||||
static SIMPLE_DEV_PM_OPS(ahci_pm_ops, ahci_platform_suspend,
|
||||
ahci_platform_resume);
|
||||
|
||||
static const struct acpi_device_id ahci_acpi_match[] = {
|
||||
{ "AMDI0600", 0 },
|
||||
{}
|
||||
};
|
||||
MODULE_DEVICE_TABLE(acpi, ahci_acpi_match);
|
||||
|
||||
static struct platform_driver ahci_seattle_driver = {
|
||||
.probe = ahci_seattle_probe,
|
||||
.remove = ata_platform_remove_one,
|
||||
.driver = {
|
||||
.name = DRV_NAME,
|
||||
.acpi_match_table = ahci_acpi_match,
|
||||
.pm = &ahci_pm_ops,
|
||||
},
|
||||
};
|
||||
module_platform_driver(ahci_seattle_driver);
|
||||
|
||||
MODULE_DESCRIPTION("Seattle AHCI SATA platform driver");
|
||||
MODULE_AUTHOR("Brijesh Singh <brijesh.singh@amd.com>");
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_ALIAS("platform:" DRV_NAME);
|
|
@ -507,6 +507,7 @@ void ahci_save_initial_config(struct device *dev, struct ahci_host_priv *hpriv)
|
|||
dev_info(dev, "forcing port_map 0x%x -> 0x%x\n",
|
||||
port_map, hpriv->force_port_map);
|
||||
port_map = hpriv->force_port_map;
|
||||
hpriv->saved_port_map = port_map;
|
||||
}
|
||||
|
||||
if (hpriv->mask_port_map) {
|
||||
|
|
Loading…
Reference in New Issue
Block a user