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dm: ahci: Convert to use new DM PCI API

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Convert this driver to use the new driver model PCI API.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2015-11-29 13:18:06 -07:00
parent 7e78b9ef2c
commit ff758ccc8a
2 changed files with 68 additions and 8 deletions
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72
drivers/block/ahci.c
View file

@ -10,6 +10,7 @@
#include <common.h>
#include <command.h>
#include <dm.h>
#include <pci.h>
#include <asm/processor.h>
#include <asm/errno.h>
@ -168,9 +169,14 @@ int ahci_reset(void __iomem *base)
static int ahci_host_init(struct ahci_probe_ent *probe_ent)
{
#ifndef CONFIG_SCSI_AHCI_PLAT
# ifdef CONFIG_DM_PCI
struct udevice *dev = probe_ent->dev;
struct pci_child_platdata *pplat = dev_get_parent_platdata(dev);
# else
pci_dev_t pdev = probe_ent->dev;
u16 tmp16;
unsigned short vendor;
# endif
u16 tmp16;
#endif
void __iomem *mmio = probe_ent->mmio_base;
u32 tmp, cap_save, cmd;
@ -193,6 +199,14 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent)
writel_with_flush(0xf, mmio + HOST_PORTS_IMPL);
#ifndef CONFIG_SCSI_AHCI_PLAT
# ifdef CONFIG_DM_PCI
if (pplat->vendor == PCI_VENDOR_ID_INTEL) {
u16 tmp16;
dm_pci_read_config16(dev, 0x92, &tmp16);
dm_pci_write_config16(dev, 0x92, tmp16 | 0xf);
}
# else
pci_read_config_word(pdev, PCI_VENDOR_ID, &vendor);
if (vendor == PCI_VENDOR_ID_INTEL) {
@ -201,6 +215,7 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent)
tmp16 |= 0xf;
pci_write_config_word(pdev, 0x92, tmp16);
}
# endif
#endif
probe_ent->cap = readl(mmio + HOST_CAP);
probe_ent->port_map = readl(mmio + HOST_PORTS_IMPL);
@ -313,9 +328,15 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent)
tmp = readl(mmio + HOST_CTL);
debug("HOST_CTL 0x%x\n", tmp);
#ifndef CONFIG_SCSI_AHCI_PLAT
# ifdef CONFIG_DM_PCI
dm_pci_read_config16(dev, PCI_COMMAND, &tmp16);
tmp |= PCI_COMMAND_MASTER;
dm_pci_write_config16(dev, PCI_COMMAND, tmp16);
# else
pci_read_config_word(pdev, PCI_COMMAND, &tmp16);
tmp |= PCI_COMMAND_MASTER;
pci_write_config_word(pdev, PCI_COMMAND, tmp16);
# endif
#endif
return 0;
}
@ -324,7 +345,11 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent)
static void ahci_print_info(struct ahci_probe_ent *probe_ent)
{
#ifndef CONFIG_SCSI_AHCI_PLAT
# ifdef CONFIG_DM_PCI
struct udevice *dev = probe_ent->dev;
# else
pci_dev_t pdev = probe_ent->dev;
# endif
u16 cc;
#endif
void __iomem *mmio = probe_ent->mmio_base;
@ -350,7 +375,11 @@ static void ahci_print_info(struct ahci_probe_ent *probe_ent)
#ifdef CONFIG_SCSI_AHCI_PLAT
scc_s = "SATA";
#else
# ifdef CONFIG_DM_PCI
dm_pci_read_config16(dev, 0x0a, &cc);
# else
pci_read_config_word(pdev, 0x0a, &cc);
# endif
if (cc == 0x0101)
scc_s = "IDE";
else if (cc == 0x0106)
@ -395,7 +424,11 @@ static void ahci_print_info(struct ahci_probe_ent *probe_ent)
}
#ifndef CONFIG_SCSI_AHCI_PLAT
static int ahci_init_one(pci_dev_t pdev)
# ifdef CONFIG_DM_PCI
static int ahci_init_one(struct udevice *dev)
# else
static int ahci_init_one(pci_dev_t dev)
# endif
{
u16 vendor;
int rc;
@ -407,7 +440,7 @@ static int ahci_init_one(pci_dev_t pdev)
}
memset(probe_ent, 0, sizeof(struct ahci_probe_ent));
probe_ent->dev = pdev;
probe_ent->dev = dev;
probe_ent->host_flags = ATA_FLAG_SATA
| ATA_FLAG_NO_LEGACY
@ -417,18 +450,31 @@ static int ahci_init_one(pci_dev_t pdev)
probe_ent->pio_mask = 0x1f;
probe_ent->udma_mask = 0x7f; /*Fixme,assume to support UDMA6 */
probe_ent->mmio_base = pci_map_bar(pdev, PCI_BASE_ADDRESS_5,
PCI_REGION_MEM);
debug("ahci mmio_base=0x%p\n", probe_ent->mmio_base);
#ifdef CONFIG_DM_PCI
probe_ent->mmio_base = dm_pci_map_bar(dev, PCI_BASE_ADDRESS_5,
PCI_REGION_MEM);
/* Take from kernel:
* JMicron-specific fixup:
* make sure we're in AHCI mode
*/
pci_read_config_word(pdev, PCI_VENDOR_ID, &vendor);
dm_pci_read_config16(dev, PCI_VENDOR_ID, &vendor);
if (vendor == 0x197b)
pci_write_config_byte(pdev, 0x41, 0xa1);
dm_pci_write_config8(dev, 0x41, 0xa1);
#else
probe_ent->mmio_base = pci_map_bar(dev, PCI_BASE_ADDRESS_5,
PCI_REGION_MEM);
/* Take from kernel:
* JMicron-specific fixup:
* make sure we're in AHCI mode
*/
pci_read_config_word(dev, PCI_VENDOR_ID, &vendor);
if (vendor == 0x197b)
pci_write_config_byte(dev, 0x41, 0xa1);
#endif
debug("ahci mmio_base=0x%p\n", probe_ent->mmio_base);
/* initialize adapter */
rc = ahci_host_init(probe_ent);
if (rc)
@ -915,7 +961,17 @@ void scsi_low_level_init(int busdevfunc)
u32 linkmap;
#ifndef CONFIG_SCSI_AHCI_PLAT
# ifdef CONFIG_DM_PCI
struct udevice *dev;
int ret;
ret = dm_pci_bus_find_bdf(busdevfunc, &dev);
if (ret)
return;
ahci_init_one(dev);
# else
ahci_init_one(busdevfunc);
# endif
#endif
linkmap = probe_ent->link_port_map;

4
include/ahci.h
View file

@ -145,7 +145,11 @@ struct ahci_ioports {
};
struct ahci_probe_ent {
#ifdef CONFIG_DM_PCI
struct udevice *dev;
#else
pci_dev_t dev;
#endif
struct ahci_ioports port[AHCI_MAX_PORTS];
u32 n_ports;
u32 hard_port_no;