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lynxpoint: Add new GPIO interface for Lynxpoint-LP

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The low power variant of the chipset introduces a completely
new interface to the GPIOs.

This is a 1KB region and so needs to be moved as well so it does
not conflict with other IO regions.

Also expose the gpio_get functions to ramstage and move the
prototypes to pch.h so they can be used for both GPIO interfaces.

Change-Id: I20bc18669525af16de8cdf99f0ccfa9612be63ad
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/2648
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marc.jones@se-eng.com>
This commit is contained in:
Duncan Laurie
2012-12-17 11:29:10 -08:00
committed by Stefan Reinauer
parent 51254049b9
commit 045f153a4f
8 changed files with 307 additions and 31 deletions
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9
src/southbridge/intel/lynxpoint/lpc.c
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@@ -561,13 +561,20 @@ static void pch_lpc_read_resources(device_t dev)
res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
/* GPIOBASE */
res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0));
res->base = DEFAULT_GPIOBASE;
res->size = DEFAULT_GPIOSIZE;
res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
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 |
IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
res = new_resource(dev, 3); /* IOAPIC */
res = new_resource(dev, io_index++); /* IOAPIC */
res->base = IO_APIC_ADDR;
res->size = 0x00001000;
res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;