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ppc/pnv: psi: add a PSIHB_REG macro 

This is a simple helper to translate XSCOM addresses to MMIO addresses

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20190306085032.15744-13-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Cédric Le Goater 2019-03-06 09:50:17 +01:00 committed by David Gibson
parent cdbaf8cd9a
commit 029699aa04
1 changed files with 4 additions and 2 deletions
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6
hw/ppc/pnv_psi.c
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@ -114,6 +114,8 @@
#define PSIHB_BAR_MASK 0x0003fffffff00000ull #define PSIHB_BAR_MASK 0x0003fffffff00000ull
#define PSIHB_FSPBAR_MASK 0x0003ffff00000000ull #define PSIHB_FSPBAR_MASK 0x0003ffff00000000ull
#define PSIHB_REG(addr) (((addr) >> 3) + PSIHB_XSCOM_BAR)
static void pnv_psi_set_bar(PnvPsi *psi, uint64_t bar) static void pnv_psi_set_bar(PnvPsi *psi, uint64_t bar)
{ {
MemoryRegion *sysmem = get_system_memory(); MemoryRegion *sysmem = get_system_memory();
@ -392,13 +394,13 @@ static void pnv_psi_reg_write(PnvPsi *psi, uint32_t offset, uint64_t val,
*/ */
static uint64_t pnv_psi_mmio_read(void *opaque, hwaddr addr, unsigned size) static uint64_t pnv_psi_mmio_read(void *opaque, hwaddr addr, unsigned size)
{ {
return pnv_psi_reg_read(opaque, (addr >> 3) + PSIHB_XSCOM_BAR, true); return pnv_psi_reg_read(opaque, PSIHB_REG(addr), true);
} }
static void pnv_psi_mmio_write(void *opaque, hwaddr addr, static void pnv_psi_mmio_write(void *opaque, hwaddr addr,
uint64_t val, unsigned size) uint64_t val, unsigned size)
{ {
pnv_psi_reg_write(opaque, (addr >> 3) + PSIHB_XSCOM_BAR, val, true); pnv_psi_reg_write(opaque, PSIHB_REG(addr), val, true);
} }
static const MemoryRegionOps psi_mmio_ops = { static const MemoryRegionOps psi_mmio_ops = {