[U-Boot] [PATCH v2 2/6] pci: Do not skip legacy IDE device configuration
Bin Meng
bmeng.cn at gmail.com
Sat May 16 03:33:15 CEST 2015
The legacy IDE device has a BAR4 (Bus Master Interface BAR) which
needs to be configured.
Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
---
Changes in v2:
- Correct a typo in the commit message title
drivers/pci/pci_auto.c | 14 --------------
1 file changed, 14 deletions(-)
diff --git a/drivers/pci/pci_auto.c b/drivers/pci/pci_auto.c
index 43965d8..7c10983 100644
--- a/drivers/pci/pci_auto.c
+++ b/drivers/pci/pci_auto.c
@@ -20,8 +20,6 @@
#define DEBUGF(x...)
#endif /* DEBUG */
-#define PCIAUTO_IDE_MODE_MASK 0x05
-
/* the user can define CONFIG_SYS_PCI_CACHE_LINE_SIZE to avoid problems */
#ifndef CONFIG_SYS_PCI_CACHE_LINE_SIZE
#define CONFIG_SYS_PCI_CACHE_LINE_SIZE 8
@@ -424,7 +422,6 @@ int pciauto_config_device(struct pci_controller *hose, pci_dev_t dev)
{
unsigned int sub_bus = PCI_BUS(dev);
unsigned short class;
- unsigned char prg_iface;
int n;
pci_hose_read_config_word(hose, dev, PCI_CLASS_DEVICE, &class);
@@ -460,17 +457,6 @@ int pciauto_config_device(struct pci_controller *hose, pci_dev_t dev)
#endif
break;
- case PCI_CLASS_STORAGE_IDE:
- pci_hose_read_config_byte(hose, dev, PCI_CLASS_PROG, &prg_iface);
- if (!(prg_iface & PCIAUTO_IDE_MODE_MASK)) {
- DEBUGF("PCI Autoconfig: Skipping legacy mode IDE controller\n");
- return sub_bus;
- }
-
- pciauto_setup_device(hose, dev, 6, hose->pci_mem,
- hose->pci_prefetch, hose->pci_io);
- break;
-
case PCI_CLASS_BRIDGE_CARDBUS:
/*
* just do a minimal setup of the bridge,
--
1.8.2.1
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