mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-25 15:50:53 +07:00
sata_mv: Remove PCI dependency
The integrated SATA controller is connected directly to the SoC's internal bus, not via PCI interface. this patch removes the dependency on the PCI interface. Signed-off-by: Saeed Bishara <saeed@marvell.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Saeed Bishara
Jeff Garzik
parent
1fd2e1c242
commit
7bb3c5290c
@ -69,7 +69,7 @@ config ATA_PIIX
|
||||
|
||||
config SATA_MV
|
||||
tristate "Marvell SATA support (HIGHLY EXPERIMENTAL)"
|
||||
depends on PCI && EXPERIMENTAL
|
||||
depends on EXPERIMENTAL
|
||||
help
|
||||
This option enables support for the Marvell Serial ATA family.
|
||||
Currently supports 88SX[56]0[48][01] chips.
|
||||
|
||||
@ -127,6 +127,9 @@ enum {
|
||||
/* Host Flags */
|
||||
MV_FLAG_DUAL_HC = (1 << 30), /* two SATA Host Controllers */
|
||||
MV_FLAG_IRQ_COALESCE = (1 << 29), /* IRQ coalescing capability */
|
||||
/* SoC integrated controllers, no PCI interface */
|
||||
MV_FLAG_SOC = (1 << 28),
|
||||
|
||||
MV_COMMON_FLAGS = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
|
||||
ATA_FLAG_MMIO | ATA_FLAG_NO_ATAPI |
|
||||
ATA_FLAG_PIO_POLLING,
|
||||
@ -340,6 +343,7 @@ enum {
|
||||
#define IS_GEN_I(hpriv) ((hpriv)->hp_flags & MV_HP_GEN_I)
|
||||
#define IS_GEN_II(hpriv) ((hpriv)->hp_flags & MV_HP_GEN_II)
|
||||
#define IS_GEN_IIE(hpriv) ((hpriv)->hp_flags & MV_HP_GEN_IIE)
|
||||
#define HAS_PCI(host) (!((host)->ports[0]->flags & MV_FLAG_SOC))
|
||||
|
||||
enum {
|
||||
/* DMA boundary 0xffff is required by the s/g splitting
|
||||
@ -442,7 +446,7 @@ struct mv_hw_ops {
|
||||
int (*reset_hc)(struct mv_host_priv *hpriv, void __iomem *mmio,
|
||||
unsigned int n_hc);
|
||||
void (*reset_flash)(struct mv_host_priv *hpriv, void __iomem *mmio);
|
||||
void (*reset_bus)(struct pci_dev *pdev, void __iomem *mmio);
|
||||
void (*reset_bus)(struct ata_host *host, void __iomem *mmio);
|
||||
};
|
||||
|
||||
static void mv_irq_clear(struct ata_port *ap);
|
||||
@ -459,7 +463,6 @@ static void mv_error_handler(struct ata_port *ap);
|
||||
static void mv_eh_freeze(struct ata_port *ap);
|
||||
static void mv_eh_thaw(struct ata_port *ap);
|
||||
static void mv6_dev_config(struct ata_device *dev);
|
||||
static int mv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
|
||||
|
||||
static void mv5_phy_errata(struct mv_host_priv *hpriv, void __iomem *mmio,
|
||||
unsigned int port);
|
||||
@ -469,7 +472,7 @@ static void mv5_read_preamp(struct mv_host_priv *hpriv, int idx,
|
||||
static int mv5_reset_hc(struct mv_host_priv *hpriv, void __iomem *mmio,
|
||||
unsigned int n_hc);
|
||||
static void mv5_reset_flash(struct mv_host_priv *hpriv, void __iomem *mmio);
|
||||
static void mv5_reset_bus(struct pci_dev *pdev, void __iomem *mmio);
|
||||
static void mv5_reset_bus(struct ata_host *host, void __iomem *mmio);
|
||||
|
||||
static void mv6_phy_errata(struct mv_host_priv *hpriv, void __iomem *mmio,
|
||||
unsigned int port);
|
||||
@ -479,7 +482,7 @@ static void mv6_read_preamp(struct mv_host_priv *hpriv, int idx,
|
||||
static int mv6_reset_hc(struct mv_host_priv *hpriv, void __iomem *mmio,
|
||||
unsigned int n_hc);
|
||||
static void mv6_reset_flash(struct mv_host_priv *hpriv, void __iomem *mmio);
|
||||
static void mv_reset_pci_bus(struct pci_dev *pdev, void __iomem *mmio);
|
||||
static void mv_reset_pci_bus(struct ata_host *host, void __iomem *mmio);
|
||||
static void mv_channel_reset(struct mv_host_priv *hpriv, void __iomem *mmio,
|
||||
unsigned int port_no);
|
||||
static void mv_edma_cfg(struct mv_port_priv *pp, struct mv_host_priv *hpriv,
|
||||
@ -690,13 +693,6 @@ static const struct pci_device_id mv_pci_tbl[] = {
|
||||
{ } /* terminate list */
|
||||
};
|
||||
|
||||
static struct pci_driver mv_pci_driver = {
|
||||
.name = DRV_NAME,
|
||||
.id_table = mv_pci_tbl,
|
||||
.probe = mv_init_one,
|
||||
.remove = ata_pci_remove_one,
|
||||
};
|
||||
|
||||
static const struct mv_hw_ops mv5xxx_ops = {
|
||||
.phy_errata = mv5_phy_errata,
|
||||
.enable_leds = mv5_enable_leds,
|
||||
@ -715,45 +711,6 @@ static const struct mv_hw_ops mv6xxx_ops = {
|
||||
.reset_bus = mv_reset_pci_bus,
|
||||
};
|
||||
|
||||
/*
|
||||
* module options
|
||||
*/
|
||||
static int msi; /* Use PCI msi; either zero (off, default) or non-zero */
|
||||
|
||||
|
||||
/* move to PCI layer or libata core? */
|
||||
static int pci_go_64(struct pci_dev *pdev)
|
||||
{
|
||||
int rc;
|
||||
|
||||
if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
|
||||
rc = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
|
||||
if (rc) {
|
||||
rc = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
|
||||
if (rc) {
|
||||
dev_printk(KERN_ERR, &pdev->dev,
|
||||
"64-bit DMA enable failed\n");
|
||||
return rc;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
|
||||
if (rc) {
|
||||
dev_printk(KERN_ERR, &pdev->dev,
|
||||
"32-bit DMA enable failed\n");
|
||||
return rc;
|
||||
}
|
||||
rc = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
|
||||
if (rc) {
|
||||
dev_printk(KERN_ERR, &pdev->dev,
|
||||
"32-bit consistent DMA enable failed\n");
|
||||
return rc;
|
||||
}
|
||||
}
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
/*
|
||||
* Functions
|
||||
*/
|
||||
@ -1823,7 +1780,7 @@ static irqreturn_t mv_interrupt(int irq, void *dev_instance)
|
||||
|
||||
n_hcs = mv_get_hc_count(host->ports[0]->flags);
|
||||
|
||||
if (unlikely(irq_stat & PCI_ERR)) {
|
||||
if (unlikely((irq_stat & PCI_ERR) && HAS_PCI(host))) {
|
||||
mv_pci_error(host, mmio);
|
||||
handled = 1;
|
||||
goto out_unlock; /* skip all other HC irq handling */
|
||||
@ -1894,8 +1851,9 @@ static int mv5_scr_write(struct ata_port *ap, unsigned int sc_reg_in, u32 val)
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
static void mv5_reset_bus(struct pci_dev *pdev, void __iomem *mmio)
|
||||
static void mv5_reset_bus(struct ata_host *host, void __iomem *mmio)
|
||||
{
|
||||
struct pci_dev *pdev = to_pci_dev(host->dev);
|
||||
int early_5080;
|
||||
|
||||
early_5080 = (pdev->device == 0x5080) && (pdev->revision == 0);
|
||||
@ -1906,7 +1864,7 @@ static void mv5_reset_bus(struct pci_dev *pdev, void __iomem *mmio)
|
||||
writel(tmp, mmio + MV_PCI_EXP_ROM_BAR_CTL);
|
||||
}
|
||||
|
||||
mv_reset_pci_bus(pdev, mmio);
|
||||
mv_reset_pci_bus(host, mmio);
|
||||
}
|
||||
|
||||
static void mv5_reset_flash(struct mv_host_priv *hpriv, void __iomem *mmio)
|
||||
@ -2030,9 +1988,8 @@ static int mv5_reset_hc(struct mv_host_priv *hpriv, void __iomem *mmio,
|
||||
|
||||
#undef ZERO
|
||||
#define ZERO(reg) writel(0, mmio + (reg))
|
||||
static void mv_reset_pci_bus(struct pci_dev *pdev, void __iomem *mmio)
|
||||
static void mv_reset_pci_bus(struct ata_host *host, void __iomem *mmio)
|
||||
{
|
||||
struct ata_host *host = dev_get_drvdata(&pdev->dev);
|
||||
struct mv_host_priv *hpriv = host->private_data;
|
||||
u32 tmp;
|
||||
|
||||
@ -2676,7 +2633,6 @@ static int mv_chip_id(struct ata_host *host, unsigned int board_idx)
|
||||
static int mv_init_host(struct ata_host *host, unsigned int board_idx)
|
||||
{
|
||||
int rc = 0, n_hc, port, hc;
|
||||
struct pci_dev *pdev = to_pci_dev(host->dev);
|
||||
void __iomem *mmio = host->iomap[MV_PRIMARY_BAR];
|
||||
struct mv_host_priv *hpriv = host->private_data;
|
||||
|
||||
@ -2697,7 +2653,7 @@ static int mv_init_host(struct ata_host *host, unsigned int board_idx)
|
||||
goto done;
|
||||
|
||||
hpriv->ops->reset_flash(hpriv, mmio);
|
||||
hpriv->ops->reset_bus(pdev, mmio);
|
||||
hpriv->ops->reset_bus(host, mmio);
|
||||
hpriv->ops->enable_leds(hpriv, mmio);
|
||||
|
||||
for (port = 0; port < host->n_ports; port++) {
|
||||
@ -2720,8 +2676,10 @@ static int mv_init_host(struct ata_host *host, unsigned int board_idx)
|
||||
|
||||
mv_port_init(&ap->ioaddr, port_mmio);
|
||||
|
||||
#ifdef CONFIG_PCI
|
||||
ata_port_pbar_desc(ap, MV_PRIMARY_BAR, -1, "mmio");
|
||||
ata_port_pbar_desc(ap, MV_PRIMARY_BAR, offset, "port");
|
||||
#endif
|
||||
}
|
||||
|
||||
for (hc = 0; hc < n_hc; hc++) {
|
||||
@ -2758,6 +2716,55 @@ static int mv_init_host(struct ata_host *host, unsigned int board_idx)
|
||||
return rc;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_PCI
|
||||
static int mv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
|
||||
|
||||
static struct pci_driver mv_pci_driver = {
|
||||
.name = DRV_NAME,
|
||||
.id_table = mv_pci_tbl,
|
||||
.probe = mv_init_one,
|
||||
.remove = ata_pci_remove_one,
|
||||
};
|
||||
|
||||
/*
|
||||
* module options
|
||||
*/
|
||||
static int msi; /* Use PCI msi; either zero (off, default) or non-zero */
|
||||
|
||||
|
||||
/* move to PCI layer or libata core? */
|
||||
static int pci_go_64(struct pci_dev *pdev)
|
||||
{
|
||||
int rc;
|
||||
|
||||
if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
|
||||
rc = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
|
||||
if (rc) {
|
||||
rc = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
|
||||
if (rc) {
|
||||
dev_printk(KERN_ERR, &pdev->dev,
|
||||
"64-bit DMA enable failed\n");
|
||||
return rc;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
|
||||
if (rc) {
|
||||
dev_printk(KERN_ERR, &pdev->dev,
|
||||
"32-bit DMA enable failed\n");
|
||||
return rc;
|
||||
}
|
||||
rc = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
|
||||
if (rc) {
|
||||
dev_printk(KERN_ERR, &pdev->dev,
|
||||
"32-bit consistent DMA enable failed\n");
|
||||
return rc;
|
||||
}
|
||||
}
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
/**
|
||||
* mv_print_info - Dump key info to kernel log for perusal.
|
||||
* @host: ATA host to print info about
|
||||
@ -2886,15 +2893,22 @@ static int mv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
|
||||
return ata_host_activate(host, pdev->irq, mv_interrupt, IRQF_SHARED,
|
||||
IS_GEN_I(hpriv) ? &mv5_sht : &mv6_sht);
|
||||
}
|
||||
#endif
|
||||
|
||||
static int __init mv_init(void)
|
||||
{
|
||||
return pci_register_driver(&mv_pci_driver);
|
||||
int rc = -ENODEV;
|
||||
#ifdef CONFIG_PCI
|
||||
rc = pci_register_driver(&mv_pci_driver);
|
||||
#endif
|
||||
return rc;
|
||||
}
|
||||
|
||||
static void __exit mv_exit(void)
|
||||
{
|
||||
#ifdef CONFIG_PCI
|
||||
pci_unregister_driver(&mv_pci_driver);
|
||||
#endif
|
||||
}
|
||||
|
||||
MODULE_AUTHOR("Brett Russ");
|
||||
@ -2903,8 +2917,10 @@ MODULE_LICENSE("GPL");
|
||||
MODULE_DEVICE_TABLE(pci, mv_pci_tbl);
|
||||
MODULE_VERSION(DRV_VERSION);
|
||||
|
||||
#ifdef CONFIG_PCI
|
||||
module_param(msi, int, 0444);
|
||||
MODULE_PARM_DESC(msi, "Enable use of PCI MSI (0=off, 1=on)");
|
||||
#endif
|
||||
|
||||
module_init(mv_init);
|
||||
module_exit(mv_exit);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user