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ppc/pnv: introduce pnv*_is_power9() helpers 

These are useful when instantiating device models which are shared
between the POWER8 and the POWER9 processor families.

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 2018-01-15 19:04:03 +01:00 committed by David Gibson
parent 09279d7e7b
commit b3b066e9d8
2 changed files with 13 additions and 5 deletions
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8
hw/ppc/pnv_xscom.c
View File

@ -51,10 +51,9 @@ static void xscom_complete(CPUState *cs, uint64_t hmer_bits)
static uint32_t pnv_xscom_pcba(PnvChip *chip, uint64_t addr)
{
PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip);
addr &= (PNV_XSCOM_SIZE - 1);
if (pcc->chip_type == PNV_CHIP_POWER9) {
if (pnv_chip_is_power9(chip)) {
return addr >> 3;
} else {
return ((addr >> 4) & ~0xfull) | ((addr >> 3) & 0xf);
@ -231,7 +230,6 @@ int pnv_dt_xscom(PnvChip *chip, void *fdt, int root_offset)
int xscom_offset;
ForeachPopulateArgs args;
char *name;
PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip);
name = g_strdup_printf("xscom@%" PRIx64, be64_to_cpu(reg[0]));
xscom_offset = fdt_add_subnode(fdt, root_offset, name);
@ -242,7 +240,7 @@ int pnv_dt_xscom(PnvChip *chip, void *fdt, int root_offset)
_FDT((fdt_setprop_cell(fdt, xscom_offset, "#size-cells", 1)));
_FDT((fdt_setprop(fdt, xscom_offset, "reg", reg, sizeof(reg))));
if (pcc->chip_type == PNV_CHIP_POWER9) {
if (pnv_chip_is_power9(chip)) {
_FDT((fdt_setprop(fdt, xscom_offset, "compatible", compat_p9,
sizeof(compat_p9))));
} else {

10
include/hw/ppc/pnv.h
View File

@ -138,6 +138,16 @@ typedef struct PnvMachineState {
Notifier powerdown_notifier;
} PnvMachineState;
static inline bool pnv_chip_is_power9(const PnvChip *chip)
{
return PNV_CHIP_GET_CLASS(chip)->chip_type == PNV_CHIP_POWER9;
}
static inline bool pnv_is_power9(PnvMachineState *pnv)
{
return pnv_chip_is_power9(pnv->chips[0]);
}
#define PNV_FDT_ADDR 0x01000000
#define PNV_TIMEBASE_FREQ 512000000ULL