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x86: Change range end to start+size

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So make interface more consistent with early_res.
Later we can share some code with early_res.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <1265793639-15071-10-git-send-email-yinghai@kernel.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
Yinghai Lu
2010-02-10 01:20:13 -08:00
committed by H. Peter Anvin
parent 284f933d45
commit e9a0064ad0
3 changed files with 40 additions and 36 deletions
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24
arch/x86/pci/amd_bus.c
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@ -145,7 +145,7 @@ static int __init early_fill_mp_bus_info(void)
def_link = (reg >> 8) & 0x03;
memset(range, 0, sizeof(range));
range[0].end = 0xffff;
add_range(range, RANGE_NUM, 0, 0, 0xffff + 1);
/* io port resource */
for (i = 0; i < 4; i++) {
reg = read_pci_config(bus, slot, 1, 0xc0 + (i << 3));
@ -175,7 +175,7 @@ static int __init early_fill_mp_bus_info(void)
if (end > 0xffff)
end = 0xffff;
update_res(info, start, end, IORESOURCE_IO, 1);
subtract_range(range, RANGE_NUM, start, end);
subtract_range(range, RANGE_NUM, start, end + 1);
}
/* add left over io port range to def node/link, [0, 0xffff] */
/* find the position */
@ -190,14 +190,16 @@ static int __init early_fill_mp_bus_info(void)
if (!range[i].end)
continue;
update_res(info, range[i].start, range[i].end,
update_res(info, range[i].start, range[i].end - 1,
IORESOURCE_IO, 1);
}
}
memset(range, 0, sizeof(range));
/* 0xfd00000000-0xffffffffff for HT */
range[0].end = cap_resource((0xfdULL<<32) - 1);
end = cap_resource((0xfdULL<<32) - 1);
end++;
add_range(range, RANGE_NUM, 0, 0, end);
/* need to take out [0, TOM) for RAM*/
address = MSR_K8_TOP_MEM1;
@ -205,14 +207,15 @@ static int __init early_fill_mp_bus_info(void)
end = (val & 0xffffff800000ULL);
printk(KERN_INFO "TOM: %016llx aka %lldM\n", end, end>>20);
if (end < (1ULL<<32))
subtract_range(range, RANGE_NUM, 0, end - 1);
subtract_range(range, RANGE_NUM, 0, end);
/* get mmconfig */
get_pci_mmcfg_amd_fam10h_range();
/* need to take out mmconf range */
if (fam10h_mmconf_end) {
printk(KERN_DEBUG "Fam 10h mmconf [%llx, %llx]\n", fam10h_mmconf_start, fam10h_mmconf_end);
subtract_range(range, RANGE_NUM, fam10h_mmconf_start, fam10h_mmconf_end);
subtract_range(range, RANGE_NUM, fam10h_mmconf_start,
fam10h_mmconf_end + 1);
}
/* mmio resource */
@ -267,7 +270,8 @@ static int __init early_fill_mp_bus_info(void)
/* we got a hole */
endx = fam10h_mmconf_start - 1;
update_res(info, start, endx, IORESOURCE_MEM, 0);
subtract_range(range, RANGE_NUM, start, endx);
subtract_range(range, RANGE_NUM, start,
endx + 1);
printk(KERN_CONT " ==> [%llx, %llx]", start, endx);
start = fam10h_mmconf_end + 1;
changed = 1;
@ -284,7 +288,7 @@ static int __init early_fill_mp_bus_info(void)
update_res(info, cap_resource(start), cap_resource(end),
IORESOURCE_MEM, 1);
subtract_range(range, RANGE_NUM, start, end);
subtract_range(range, RANGE_NUM, start, end + 1);
printk(KERN_CONT "\n");
}
@ -299,7 +303,7 @@ static int __init early_fill_mp_bus_info(void)
rdmsrl(address, val);
end = (val & 0xffffff800000ULL);
printk(KERN_INFO "TOM2: %016llx aka %lldM\n", end, end>>20);
subtract_range(range, RANGE_NUM, 1ULL<<32, end - 1);
subtract_range(range, RANGE_NUM, 1ULL<<32, end);
}
/*
@ -319,7 +323,7 @@ static int __init early_fill_mp_bus_info(void)
continue;
update_res(info, cap_resource(range[i].start),
cap_resource(range[i].end),
cap_resource(range[i].end - 1),
IORESOURCE_MEM, 1);
}
}