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ppc/pnv: consolidate the creation of the ISA bus device tree

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The device tree node of the ISA bus was being partially done in
different places. Move all the nodes creation under the same routine.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Cédric Le Goater 2018-06-18 19:05:40 +02:00 committed by David Gibson
parent 77864267c3
commit bb7ab95c96
1 changed files with 23 additions and 28 deletions
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51
hw/ppc/pnv.c
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@ -265,18 +265,6 @@ static void pnv_dt_icp(PnvChip *chip, void *fdt, uint32_t pir,
g_free(reg);
}
static int pnv_chip_lpc_offset(PnvChip *chip, void *fdt)
{
char *name;
int offset;
name = g_strdup_printf("/xscom@%" PRIx64 "/isa@%x",
(uint64_t) PNV_XSCOM_BASE(chip), PNV_XSCOM_LPC_BASE);
offset = fdt_path_offset(fdt, name);
g_free(name);
return offset;
}
static void pnv_dt_chip(PnvChip *chip, void *fdt)
{
const char *typename = pnv_chip_core_typename(chip);
@ -285,16 +273,6 @@ static void pnv_dt_chip(PnvChip *chip, void *fdt)
pnv_dt_xscom(chip, fdt, 0);
/* The default LPC bus of a multichip system is on chip 0. It's
* recognized by the firmware (skiboot) using a "primary"
* property.
*/
if (chip->chip_id == 0x0) {
int lpc_offset = pnv_chip_lpc_offset(chip, fdt);
_FDT((fdt_setprop(fdt, lpc_offset, "primary", NULL, 0)));
}
for (i = 0; i < chip->nr_cores; i++) {
PnvCore *pnv_core = PNV_CORE(chip->cores + i * typesize);
@ -418,16 +396,35 @@ static int pnv_dt_isa_device(DeviceState *dev, void *opaque)
return 0;
}
static void pnv_dt_isa(ISABus *bus, void *fdt, int lpc_offset)
static int pnv_chip_isa_offset(PnvChip *chip, void *fdt)
{
char *name;
int offset;
name = g_strdup_printf("/xscom@%" PRIx64 "/isa@%x",
(uint64_t) PNV_XSCOM_BASE(chip), PNV_XSCOM_LPC_BASE);
offset = fdt_path_offset(fdt, name);
g_free(name);
return offset;
}
/* The default LPC bus of a multichip system is on chip 0. It's
* recognized by the firmware (skiboot) using a "primary" property.
*/
static void pnv_dt_isa(PnvMachineState *pnv, void *fdt)
{
int isa_offset = pnv_chip_isa_offset(pnv->chips[0], fdt);
ForeachPopulateArgs args = {
.fdt = fdt,
.offset = lpc_offset,
.offset = isa_offset,
};
_FDT((fdt_setprop(fdt, isa_offset, "primary", NULL, 0)));
/* ISA devices are not necessarily parented to the ISA bus so we
* can not use object_child_foreach() */
qbus_walk_children(BUS(bus), pnv_dt_isa_device, NULL, NULL, NULL, &args);
qbus_walk_children(BUS(pnv->isa_bus), pnv_dt_isa_device, NULL, NULL, NULL,
&args);
}
static void *pnv_dt_create(MachineState *machine)
@ -438,7 +435,6 @@ static void *pnv_dt_create(MachineState *machine)
char *buf;
int off;
int i;
int lpc_offset;
fdt = g_malloc0(FDT_MAX_SIZE);
_FDT((fdt_create_empty_tree(fdt, FDT_MAX_SIZE)));
@ -480,8 +476,7 @@ static void *pnv_dt_create(MachineState *machine)
}
/* Populate ISA devices on chip 0 */
lpc_offset = pnv_chip_lpc_offset(pnv->chips[0], fdt);
pnv_dt_isa(pnv->isa_bus, fdt, lpc_offset);
pnv_dt_isa(pnv, fdt);
if (pnv->bmc) {
pnv_dt_bmc_sensors(pnv->bmc, fdt);