diff options
Diffstat (limited to 'arch/sh/drivers/pci/pci-auto.c')
| -rw-r--r-- | arch/sh/drivers/pci/pci-auto.c | 48 |
1 files changed, 17 insertions, 31 deletions
diff --git a/arch/sh/drivers/pci/pci-auto.c b/arch/sh/drivers/pci/pci-auto.c index 4cef4d1d8c84..ecf16344f94a 100644 --- a/arch/sh/drivers/pci/pci-auto.c +++ b/arch/sh/drivers/pci/pci-auto.c @@ -45,11 +45,11 @@ #include <linux/types.h> #include <linux/pci.h> -#undef DEBUG -#ifdef DEBUG +#define DEBUG +#ifdef DEBUG #define DBG(x...) printk(x) #else -#define DBG(x...) +#define DBG(x...) #endif /* @@ -102,7 +102,7 @@ static u32 pciauto_upper_iospc; static u32 pciauto_lower_memspc; static u32 pciauto_upper_memspc; -static void __init +static void __init pciauto_setup_bars(struct pci_channel *hose, int top_bus, int current_bus, @@ -116,7 +116,6 @@ pciauto_setup_bars(struct pci_channel *hose, int found_mem64 = 0; for (bar = PCI_BASE_ADDRESS_0; bar <= bar_limit; bar+=4) { -#if !defined(CONFIG_SH_HS7751RVOIP) && !defined(CONFIG_SH_RTS7751R2D) u32 bar_addr; /* Read the old BAR value */ @@ -125,7 +124,6 @@ pciauto_setup_bars(struct pci_channel *hose, pci_devfn, bar, &bar_addr); -#endif /* Tickle the BAR and get the response */ early_write_config_dword(hose, top_bus, @@ -140,8 +138,7 @@ pciauto_setup_bars(struct pci_channel *hose, bar, &bar_response); -#if !defined(CONFIG_SH_HS7751RVOIP) && !defined(CONFIG_SH_RTS7751R2D) - /* + /* * Write the old BAR value back out, only update the BAR * if we implicitly want resources to be updated, which * is done by the generic code further down. -- PFM. @@ -151,7 +148,6 @@ pciauto_setup_bars(struct pci_channel *hose, pci_devfn, bar, bar_addr); -#endif /* If BAR is not implemented go to the next BAR */ if (!bar_response) @@ -177,7 +173,7 @@ retry: PCI_BASE_ADDRESS_MEM_TYPE_64) found_mem64 = 1; - addr_mask = PCI_BASE_ADDRESS_MEM_MASK; + addr_mask = PCI_BASE_ADDRESS_MEM_MASK; upper_limit = &pciauto_upper_memspc; lower_limit = &pciauto_lower_memspc; DBG(" Mem"); @@ -193,22 +189,22 @@ retry: if ((bar_value + bar_size) > *upper_limit) { if (bar_response & PCI_BASE_ADDRESS_SPACE) { if (io_resource_inuse->child) { - io_resource_inuse = + io_resource_inuse = io_resource_inuse->child; - pciauto_lower_iospc = + pciauto_lower_iospc = io_resource_inuse->start; - pciauto_upper_iospc = + pciauto_upper_iospc = io_resource_inuse->end + 1; goto retry; } } else { if (mem_resource_inuse->child) { - mem_resource_inuse = + mem_resource_inuse = mem_resource_inuse->child; - pciauto_lower_memspc = + pciauto_lower_memspc = mem_resource_inuse->start; - pciauto_upper_memspc = + pciauto_upper_memspc = mem_resource_inuse->end + 1; goto retry; } @@ -230,7 +226,7 @@ retry: * If we are a 64-bit decoder then increment to the * upper 32 bits of the bar and force it to locate * in the lower 4GB of memory. - */ + */ if (found_mem64) { bar += 4; early_write_config_dword(hose, top_bus, @@ -362,7 +358,6 @@ pciauto_postscan_setup_cardbus_bridge(struct pci_channel *hose, { u32 temp; -#if !defined(CONFIG_SH_HS7751RVOIP) && !defined(CONFIG_SH_RTS7751R2D) /* * [jsun] we always bump up baselines a little, so that if there * nothing behind P2P bridge, we don't wind up overlapping IO/MEM @@ -370,7 +365,6 @@ pciauto_postscan_setup_cardbus_bridge(struct pci_channel *hose, */ pciauto_lower_memspc += 1; pciauto_lower_iospc += 1; -#endif /* * Configure subordinate bus number. The PCI subsystem @@ -396,11 +390,6 @@ pciauto_postscan_setup_cardbus_bridge(struct pci_channel *hose, * configured by this routine to happily live behind a * P2P bridge in a system. */ -#if defined(CONFIG_SH_HS7751RVOIP) || defined(CONFIG_SH_RTS7751R2D) - pciauto_lower_memspc += 0x00400000; - pciauto_lower_iospc += 0x00004000; -#endif - /* Align memory and I/O to 4KB and 4 byte boundaries. */ pciauto_lower_memspc = (pciauto_lower_memspc + (0x1000 - 1)) & ~(0x1000 - 1); @@ -433,12 +422,12 @@ pciauto_bus_scan(struct pci_channel *hose, int top_bus, int current_bus) int devfn_stop = 0xff; sub_bus = current_bus; - + if (hose->first_devfn) devfn_start = hose->first_devfn; if (hose->last_devfn) devfn_stop = hose->last_devfn; - + for (pci_devfn=devfn_start; pci_devfn<devfn_stop; pci_devfn++) { if (PCI_FUNC(pci_devfn) && !found_multi) @@ -471,9 +460,6 @@ pciauto_bus_scan(struct pci_channel *hose, int top_bus, int current_bus) if ((pci_class >> 16) == PCI_CLASS_BRIDGE_PCI) { DBG(" Bridge: primary=%.2x, secondary=%.2x\n", current_bus, sub_bus + 1); -#if defined(CONFIG_SH_HS7751RVOIP) || defined(CONFIG_SH_RTS7751R2D) - pciauto_setup_bars(hose, top_bus, current_bus, pci_devfn, PCI_BASE_ADDRESS_1); -#endif pciauto_prescan_setup_bridge(hose, top_bus, current_bus, pci_devfn, sub_bus); DBG("Scanning sub bus %.2x, I/O 0x%.8x, Mem 0x%.8x\n", @@ -490,10 +476,10 @@ pciauto_bus_scan(struct pci_channel *hose, int top_bus, int current_bus) DBG("PCI Autoconfig: Found CardBus bridge, device %d function %d\n", PCI_SLOT(pci_devfn), PCI_FUNC(pci_devfn)); /* Place CardBus Socket/ExCA registers */ pciauto_setup_bars(hose, top_bus, current_bus, pci_devfn, PCI_BASE_ADDRESS_0); - + pciauto_prescan_setup_cardbus_bridge(hose, top_bus, current_bus, pci_devfn, sub_bus); - + DBG("Scanning sub bus %.2x, I/O 0x%.8x, Mem 0x%.8x\n", sub_bus + 1, pciauto_lower_iospc, pciauto_lower_memspc); |
