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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>
This commit is contained in:
Arthur Heymans 2017-04-12 00:03:37 +02:00 committed by Martin Roth
parent 899577676b
commit e5dcaf1269
1 changed files with 19 additions and 4 deletions
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23
src/southbridge/intel/i82801jx/lpc.c
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@ -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)