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-rw-r--r--src/southbridge/intel/bd82x6x/lpc.c39
1 files changed, 37 insertions, 2 deletions
diff --git a/src/southbridge/intel/bd82x6x/lpc.c b/src/southbridge/intel/bd82x6x/lpc.c
index ae71999238..592f5de7ec 100644
--- a/src/southbridge/intel/bd82x6x/lpc.c
+++ b/src/southbridge/intel/bd82x6x/lpc.c
@@ -593,18 +593,20 @@ static void lpc_init(struct device *dev)
static void pch_lpc_read_resources(device_t dev)
{
struct resource *res;
+ config_t *config = dev->chip_info;
+ u8 io_index = 0;
/* Get the normal PCI resources of this device. */
pci_dev_read_resources(dev);
/* Add an extra subtractive resource for both memory and I/O. */
- res = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
+ res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0));
res->base = 0;
res->size = 0x1000;
res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
- res = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
+ res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0));
res->base = 0xff800000;
res->size = 0x00800000; /* 8 MB for flash */
res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE |
@@ -614,6 +616,39 @@ static void pch_lpc_read_resources(device_t dev)
res->base = IO_APIC_ADDR;
res->size = 0x00001000;
res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ /* Set PCH IO decode ranges if required.*/
+ if ((config->gen1_dec & 0xFFFC) > 0x1000) {
+ res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0));
+ res->base = config->gen1_dec & 0xFFFC;
+ res->size = (config->gen1_dec >> 16) & 0xFC;
+ res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+ }
+
+ if ((config->gen2_dec & 0xFFFC) > 0x1000) {
+ res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0));
+ res->base = config->gen2_dec & 0xFFFC;
+ res->size = (config->gen2_dec >> 16) & 0xFC;
+ res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+ }
+
+ if ((config->gen3_dec & 0xFFFC) > 0x1000) {
+ res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0));
+ res->base = config->gen3_dec & 0xFFFC;
+ res->size = (config->gen3_dec >> 16) & 0xFC;
+ res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+ }
+
+ if ((config->gen4_dec & 0xFFFC) > 0x1000) {
+ res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0));
+ res->base = config->gen4_dec & 0xFFFC;
+ res->size = (config->gen4_dec >> 16) & 0xFC;
+ res->flags = IORESOURCE_IO| IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+ }
}
static void pch_lpc_enable_resources(device_t dev)