summaryrefslogtreecommitdiff
path: root/arch/powerpc/sysdev/ppc4xx_pci.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/sysdev/ppc4xx_pci.c')
-rw-r--r--arch/powerpc/sysdev/ppc4xx_pci.c48
1 files changed, 25 insertions, 23 deletions
diff --git a/arch/powerpc/sysdev/ppc4xx_pci.c b/arch/powerpc/sysdev/ppc4xx_pci.c
index fb368dfde5d4..d3e4d61030b5 100644
--- a/arch/powerpc/sysdev/ppc4xx_pci.c
+++ b/arch/powerpc/sysdev/ppc4xx_pci.c
@@ -30,24 +30,19 @@
#include <asm/machdep.h>
#include <asm/dcr.h>
#include <asm/dcr-regs.h>
+#include <mm/mmu_decl.h>
#include "ppc4xx_pci.h"
static int dma_offset_set;
-/* Move that to a useable header */
-extern unsigned long total_memory;
-
#define U64_TO_U32_LOW(val) ((u32)((val) & 0x00000000ffffffffULL))
#define U64_TO_U32_HIGH(val) ((u32)((val) >> 32))
-#ifdef CONFIG_RESOURCES_64BIT
-#define RES_TO_U32_LOW(val) U64_TO_U32_LOW(val)
-#define RES_TO_U32_HIGH(val) U64_TO_U32_HIGH(val)
-#else
-#define RES_TO_U32_LOW(val) (val)
-#define RES_TO_U32_HIGH(val) (0)
-#endif
+#define RES_TO_U32_LOW(val) \
+ ((sizeof(resource_size_t) > sizeof(u32)) ? U64_TO_U32_LOW(val) : (val))
+#define RES_TO_U32_HIGH(val) \
+ ((sizeof(resource_size_t) > sizeof(u32)) ? U64_TO_U32_HIGH(val) : (0))
static inline int ppc440spe_revA(void)
{
@@ -105,7 +100,8 @@ static int __init ppc4xx_parse_dma_ranges(struct pci_controller *hose,
/* Default */
res->start = 0;
- res->end = size = 0x80000000;
+ size = 0x80000000;
+ res->end = size - 1;
res->flags = IORESOURCE_MEM | IORESOURCE_PREFETCH;
/* Get dma-ranges property */
@@ -145,12 +141,11 @@ static int __init ppc4xx_parse_dma_ranges(struct pci_controller *hose,
/* Use that */
res->start = pci_addr;
-#ifndef CONFIG_RESOURCES_64BIT
/* Beware of 32 bits resources */
- if ((pci_addr + size) > 0x100000000ull)
+ if (sizeof(resource_size_t) == sizeof(u32) &&
+ (pci_addr + size) > 0x100000000ull)
res->end = 0xffffffff;
else
-#endif
res->end = res->start + size - 1;
break;
}
@@ -167,13 +162,13 @@ static int __init ppc4xx_parse_dma_ranges(struct pci_controller *hose,
*/
if (size < total_memory) {
printk(KERN_ERR "%s: dma-ranges too small "
- "(size=%llx total_memory=%lx)\n",
- hose->dn->full_name, size, total_memory);
+ "(size=%llx total_memory=%llx)\n",
+ hose->dn->full_name, size, (u64)total_memory);
return -ENXIO;
}
/* Check we are a power of 2 size and that base is a multiple of size*/
- if (!is_power_of_2(size) ||
+ if ((size & (size - 1)) != 0 ||
(res->start & (size - 1)) != 0) {
printk(KERN_ERR "%s: dma-ranges unaligned\n",
hose->dn->full_name);
@@ -277,9 +272,16 @@ static void __init ppc4xx_probe_pci_bridge(struct device_node *np)
const int *bus_range;
int primary = 0;
+ /* Check if device is enabled */
+ if (!of_device_is_available(np)) {
+ printk(KERN_INFO "%s: Port disabled via device-tree\n",
+ np->full_name);
+ return;
+ }
+
/* Fetch config space registers address */
if (of_address_to_resource(np, 0, &rsrc_cfg)) {
- printk(KERN_ERR "%s:Can't get PCI config register base !",
+ printk(KERN_ERR "%s: Can't get PCI config register base !",
np->full_name);
return;
}
@@ -810,7 +812,7 @@ static int ppc460ex_pciex_init_port_hw(struct ppc4xx_pciex_port *port)
switch (port->index) {
case 0:
mtdcri(SDR0, PESDR0_460EX_L0CDRCTL, 0x00003230);
- mtdcri(SDR0, PESDR0_460EX_L0DRV, 0x00000136);
+ mtdcri(SDR0, PESDR0_460EX_L0DRV, 0x00000130);
mtdcri(SDR0, PESDR0_460EX_L0CLK, 0x00000006);
mtdcri(SDR0, PESDR0_460EX_PHY_CTL_RST,0x10000000);
@@ -821,10 +823,10 @@ static int ppc460ex_pciex_init_port_hw(struct ppc4xx_pciex_port *port)
mtdcri(SDR0, PESDR1_460EX_L1CDRCTL, 0x00003230);
mtdcri(SDR0, PESDR1_460EX_L2CDRCTL, 0x00003230);
mtdcri(SDR0, PESDR1_460EX_L3CDRCTL, 0x00003230);
- mtdcri(SDR0, PESDR1_460EX_L0DRV, 0x00000136);
- mtdcri(SDR0, PESDR1_460EX_L1DRV, 0x00000136);
- mtdcri(SDR0, PESDR1_460EX_L2DRV, 0x00000136);
- mtdcri(SDR0, PESDR1_460EX_L3DRV, 0x00000136);
+ mtdcri(SDR0, PESDR1_460EX_L0DRV, 0x00000130);
+ mtdcri(SDR0, PESDR1_460EX_L1DRV, 0x00000130);
+ mtdcri(SDR0, PESDR1_460EX_L2DRV, 0x00000130);
+ mtdcri(SDR0, PESDR1_460EX_L3DRV, 0x00000130);
mtdcri(SDR0, PESDR1_460EX_L0CLK, 0x00000006);
mtdcri(SDR0, PESDR1_460EX_L1CLK, 0x00000006);
mtdcri(SDR0, PESDR1_460EX_L2CLK, 0x00000006);