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authorArthur Heymans <arthur@aheymans.xyz>2017-04-12 00:03:37 +0200
committerMartin Roth <martinroth@google.com>2017-07-23 20:33:34 +0000
commite5dcaf12693daf56fde73fbf9af5ee1bd5e10883 (patch)
treedd7d7b9f97323fba4a470b07c88c30da4d975416
parent899577676bf6018298e7a607952473c39c5e2876 (diff)
downloadcoreboot-e5dcaf12693daf56fde73fbf9af5ee1bd5e10883.tar.xz
sb/intel/i82801jx: Add addition IO resources
Adapted from i82801gx. Change-Id: I9108a45135908b7c4e74e9df3bb8f89f55893299 Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/19251 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Martin Roth <martinroth@google.com>
-rw-r--r--src/southbridge/intel/i82801jx/lpc.c23
1 files changed, 19 insertions, 4 deletions
diff --git a/src/southbridge/intel/i82801jx/lpc.c b/src/southbridge/intel/i82801jx/lpc.c
index edbd0e87d3..94b7f17dfa 100644
--- a/src/southbridge/intel/i82801jx/lpc.c
+++ b/src/southbridge/intel/i82801jx/lpc.c
@@ -471,6 +471,7 @@ static void lpc_init(struct device *dev)
static void i82801jx_lpc_read_resources(device_t dev)
{
+ int i, io_index = 0;
/*
* I/O Resources
*
@@ -507,15 +508,15 @@ static void i82801jx_lpc_read_resources(device_t dev)
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->base = 0xff800000;
- res->size = 0x00800000; /* 8 MB for flash */
+ res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0));
+ res->base = 0xff000000;
+ res->size = 0x01000000; /* 16 MB for flash */
res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE |
IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
@@ -523,6 +524,20 @@ static void i82801jx_lpc_read_resources(device_t dev)
res->base = IO_APIC_ADDR;
res->size = 0x00001000;
res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ /* Set IO decode ranges if required.*/
+ for (i = 0; i < 4; i++) {
+ u32 gen_dec;
+ gen_dec = pci_read_config32(dev, 0x84 + 4 * i);
+
+ if ((gen_dec & 0xFFFC) > 0x1000) {
+ res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0));
+ res->base = gen_dec & 0xFFFC;
+ res->size = (gen_dec >> 16) & 0xFC;
+ res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+ }
+ }
}
static void set_subsystem(device_t dev, unsigned vendor, unsigned device)