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pc: acpi: q35: move PRTA routing table into SSDT

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Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Igor Mammedov 2015-12-28 18:02:51 +01:00 • committed by Michael S. Tsirkin
parent 0dafe3b336
commit 22b5b8bf31
2 changed files with 61 additions and 57 deletions
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61
hw/i386/acpi-build.c
View file

@ -1631,6 +1631,64 @@ static void build_piix4_pci0_int(Aml *table)
aml_append(table, sb_scope); aml_append(table, sb_scope);
} }
static void append_q35_prt_entry(Aml *ctx, uint32_t nr, const char *name)
{
int i;
int head;
Aml *pkg;
char base = name[3] < 'E' ? 'A' : 'E';
char *s = g_strdup(name);
Aml *a_nr = aml_int((nr << 16) | 0xffff);
assert(strlen(s) == 4);
head = name[3] - base;
for (i = 0; i < 4; i++) {
if (head + i > 3) {
head = i * -1;
}
s[3] = base + head + i;
pkg = aml_package(4);
aml_append(pkg, a_nr);
aml_append(pkg, aml_int(i));
aml_append(pkg, aml_name("%s", s));
aml_append(pkg, aml_int(0));
aml_append(ctx, pkg);
}
g_free(s);
}
static Aml *build_q35_routing_table(const char *str)
{
int i;
Aml *pkg;
char *name = g_strdup_printf("%s ", str);
pkg = aml_package(128);
for (i = 0; i < 0x18; i++) {
name[3] = 'E' + (i & 0x3);
append_q35_prt_entry(pkg, i, name);
}
name[3] = 'E';
append_q35_prt_entry(pkg, 0x18, name);
/* INTA -> PIRQA for slot 25 - 31, see the default value of D<N>IR */
for (i = 0x0019; i < 0x1e; i++) {
name[3] = 'A';
append_q35_prt_entry(pkg, i, name);
}
/* PCIe->PCI bridge. use PIRQ[E-H] */
name[3] = 'E';
append_q35_prt_entry(pkg, 0x1e, name);
name[3] = 'A';
append_q35_prt_entry(pkg, 0x1f, name);
g_free(name);
return pkg;
}
static void build_q35_pci0_int(Aml *table) static void build_q35_pci0_int(Aml *table)
{ {
Aml *field; Aml *field;
@ -1638,6 +1696,9 @@ static void build_q35_pci0_int(Aml *table)
Aml *sb_scope = aml_scope("_SB"); Aml *sb_scope = aml_scope("_SB");
Aml *pci0_scope = aml_scope("PCI0"); Aml *pci0_scope = aml_scope("PCI0");
aml_append(pci0_scope,
aml_name_decl("PRTA", build_q35_routing_table("GSI")));
method = aml_method("_PRT", 0, AML_NOTSERIALIZED); method = aml_method("_PRT", 0, AML_NOTSERIALIZED);
{ {
Aml *if_ctx; Aml *if_ctx;

57
hw/i386/q35-acpi-dsdt.dsl
View file

@ -181,63 +181,6 @@ DefinitionBlock (
prt_slot_lnkA(0x001f) prt_slot_lnkA(0x001f)
}) })
#define prt_slot_gsi(nr, gsi0, gsi1, gsi2, gsi3) \
Package() { nr##ffff, 0, gsi0, 0 }, \
Package() { nr##ffff, 1, gsi1, 0 }, \
Package() { nr##ffff, 2, gsi2, 0 }, \
Package() { nr##ffff, 3, gsi3, 0 }
#define prt_slot_gsiA(nr) prt_slot_gsi(nr, GSIA, GSIB, GSIC, GSID)
#define prt_slot_gsiB(nr) prt_slot_gsi(nr, GSIB, GSIC, GSID, GSIA)
#define prt_slot_gsiC(nr) prt_slot_gsi(nr, GSIC, GSID, GSIA, GSIB)
#define prt_slot_gsiD(nr) prt_slot_gsi(nr, GSID, GSIA, GSIB, GSIC)
#define prt_slot_gsiE(nr) prt_slot_gsi(nr, GSIE, GSIF, GSIG, GSIH)
#define prt_slot_gsiF(nr) prt_slot_gsi(nr, GSIF, GSIG, GSIH, GSIE)
#define prt_slot_gsiG(nr) prt_slot_gsi(nr, GSIG, GSIH, GSIE, GSIF)
#define prt_slot_gsiH(nr) prt_slot_gsi(nr, GSIH, GSIE, GSIF, GSIG)
Name(PRTA, package() {
prt_slot_gsiE(0x0000),
prt_slot_gsiF(0x0001),
prt_slot_gsiG(0x0002),
prt_slot_gsiH(0x0003),
prt_slot_gsiE(0x0004),
prt_slot_gsiF(0x0005),
prt_slot_gsiG(0x0006),
prt_slot_gsiH(0x0007),
prt_slot_gsiE(0x0008),
prt_slot_gsiF(0x0009),
prt_slot_gsiG(0x000a),
prt_slot_gsiH(0x000b),
prt_slot_gsiE(0x000c),
prt_slot_gsiF(0x000d),
prt_slot_gsiG(0x000e),
prt_slot_gsiH(0x000f),
prt_slot_gsiE(0x0010),
prt_slot_gsiF(0x0011),
prt_slot_gsiG(0x0012),
prt_slot_gsiH(0x0013),
prt_slot_gsiE(0x0014),
prt_slot_gsiF(0x0015),
prt_slot_gsiG(0x0016),
prt_slot_gsiH(0x0017),
prt_slot_gsiE(0x0018),
/* INTA -> PIRQA for slot 25 - 31, but 30
see the default value of D<N>IR */
prt_slot_gsiA(0x0019),
prt_slot_gsiA(0x001a),
prt_slot_gsiA(0x001b),
prt_slot_gsiA(0x001c),
prt_slot_gsiA(0x001d),
/* PCIe->PCI bridge. use PIRQ[E-H] */
prt_slot_gsiE(0x001e),
prt_slot_gsiA(0x001f)
})
} }
External(LNKA, DeviceObj) External(LNKA, DeviceObj)