* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
+
#include "qemu/osdep.h"
-#include "qapi/error.h"
-#include "hw/hw.h"
#include "qemu/log.h"
-#include "sysemu/kvm.h"
+#include "qemu/module.h"
+#include "sysemu/hw_accel.h"
#include "target/ppc/cpu.h"
#include "hw/sysbus.h"
#include <libfdt.h>
+/* PRD registers */
+#define PRD_P8_IPOLL_REG_MASK 0x01020013
+#define PRD_P8_IPOLL_REG_STATUS 0x01020014
+#define PRD_P9_IPOLL_REG_MASK 0x000F0033
+#define PRD_P9_IPOLL_REG_STATUS 0x000F0034
+
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) {
- return addr >> 3;
- } else {
- return ((addr >> 4) & ~0xfull) | ((addr >> 3) & 0xf);
- }
+ return PNV_CHIP_GET_CLASS(chip)->xscom_pcba(chip, addr);
}
static uint64_t xscom_read_default(PnvChip *chip, uint32_t pcba)
switch (pcba) {
case 0xf000f:
return PNV_CHIP_GET_CLASS(chip)->chip_cfam_id;
+ case 0x18002: /* ECID2 */
+ return 0;
+
case 0x1010c00: /* PIBAM FIR */
case 0x1010c03: /* PIBAM FIR MASK */
- case 0x2020007: /* ADU stuff */
- case 0x2020009: /* ADU stuff */
- case 0x202000f: /* ADU stuff */
+
+ /* PRD registers */
+ case PRD_P8_IPOLL_REG_MASK:
+ case PRD_P8_IPOLL_REG_STATUS:
+ case PRD_P9_IPOLL_REG_MASK:
+ case PRD_P9_IPOLL_REG_STATUS:
+
+ /* P9 xscom reset */
+ case 0x0090018: /* Receive status reg */
+ case 0x0090012: /* log register */
+ case 0x0090013: /* error register */
+
+ /* P8 xscom reset */
+ case 0x2020007: /* ADU stuff, log register */
+ case 0x2020009: /* ADU stuff, error register */
+ case 0x202000f: /* ADU stuff, receive status register*/
return 0;
- case 0x2013f00: /* PBA stuff */
case 0x2013f01: /* PBA stuff */
- case 0x2013f02: /* PBA stuff */
- case 0x2013f03: /* PBA stuff */
- case 0x2013f04: /* PBA stuff */
case 0x2013f05: /* PBA stuff */
- case 0x2013f06: /* PBA stuff */
- case 0x2013f07: /* PBA stuff */
return 0;
case 0x2013028: /* CAPP stuff */
case 0x201302a: /* CAPP stuff */
case 0x2013801: /* CAPP stuff */
case 0x2013802: /* CAPP stuff */
+
+ /* P9 CAPP regs */
+ case 0x2010841:
+ case 0x2010842:
+ case 0x201082a:
+ case 0x2010828:
+ case 0x4010841:
+ case 0x4010842:
+ case 0x401082a:
+ case 0x4010828:
return 0;
default:
return -1;
case 0x1010c03: /* PIBAM FIR MASK */
case 0x1010c04: /* PIBAM FIR MASK */
case 0x1010c05: /* PIBAM FIR MASK */
- case 0x2020007: /* ADU stuff */
- case 0x2020009: /* ADU stuff */
- case 0x202000f: /* ADU stuff */
+ /* P9 xscom reset */
+ case 0x0090018: /* Receive status reg */
+ case 0x0090012: /* log register */
+ case 0x0090013: /* error register */
+
+ /* P8 xscom reset */
+ case 0x2020007: /* ADU stuff, log register */
+ case 0x2020009: /* ADU stuff, error register */
+ case 0x202000f: /* ADU stuff, receive status register*/
+
+ case 0x2013028: /* CAPP stuff */
+ case 0x201302a: /* CAPP stuff */
+ case 0x2013801: /* CAPP stuff */
+ case 0x2013802: /* CAPP stuff */
+
+ /* P9 CAPP regs */
+ case 0x2010841:
+ case 0x2010842:
+ case 0x201082a:
+ case 0x2010828:
+ case 0x4010841:
+ case 0x4010842:
+ case 0x401082a:
+ case 0x4010828:
+
+ /* P8 PRD registers */
+ case PRD_P8_IPOLL_REG_MASK:
+ case PRD_P8_IPOLL_REG_STATUS:
+ case PRD_P9_IPOLL_REG_MASK:
+ case PRD_P9_IPOLL_REG_STATUS:
return true;
default:
return false;
.endianness = DEVICE_BIG_ENDIAN,
};
-void pnv_xscom_realize(PnvChip *chip, Error **errp)
+void pnv_xscom_realize(PnvChip *chip, uint64_t size, Error **errp)
{
SysBusDevice *sbd = SYS_BUS_DEVICE(chip);
char *name;
name = g_strdup_printf("xscom-%x", chip->chip_id);
memory_region_init_io(&chip->xscom_mmio, OBJECT(chip), &pnv_xscom_ops,
- chip, name, PNV_XSCOM_SIZE);
+ chip, name, size);
sysbus_init_mmio(sbd, &chip->xscom_mmio);
- memory_region_init(&chip->xscom, OBJECT(chip), name, PNV_XSCOM_SIZE);
+ memory_region_init(&chip->xscom, OBJECT(chip), name, size);
address_space_init(&chip->xscom_as, &chip->xscom, name);
g_free(name);
}
int xscom_offset;
} ForeachPopulateArgs;
-static int xscom_populate_child(Object *child, void *opaque)
+static int xscom_dt_child(Object *child, void *opaque)
{
if (object_dynamic_cast(child, TYPE_PNV_XSCOM_INTERFACE)) {
ForeachPopulateArgs *args = opaque;
PnvXScomInterface *xd = PNV_XSCOM_INTERFACE(child);
PnvXScomInterfaceClass *xc = PNV_XSCOM_INTERFACE_GET_CLASS(xd);
- if (xc->populate) {
- _FDT((xc->populate(xd, args->fdt, args->xscom_offset)));
+ /*
+ * Only "realized" devices should be configured in the DT
+ */
+ if (xc->dt_xscom && DEVICE(child)->realized) {
+ _FDT((xc->dt_xscom(xd, args->fdt, args->xscom_offset)));
}
}
return 0;
}
-static const char compat_p8[] = "ibm,power8-xscom\0ibm,xscom";
-static const char compat_p9[] = "ibm,power9-xscom\0ibm,xscom";
-
-int pnv_xscom_populate(PnvChip *chip, void *fdt, int root_offset)
+int pnv_dt_xscom(PnvChip *chip, void *fdt, int root_offset,
+ uint64_t xscom_base, uint64_t xscom_size,
+ const char *compat, int compat_size)
{
- uint64_t reg[] = { cpu_to_be64(PNV_XSCOM_BASE(chip)),
- cpu_to_be64(PNV_XSCOM_SIZE) };
+ uint64_t reg[] = { xscom_base, xscom_size };
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);
_FDT((fdt_setprop_cell(fdt, xscom_offset, "#address-cells", 1)));
_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) {
- _FDT((fdt_setprop(fdt, xscom_offset, "compatible", compat_p9,
- sizeof(compat_p9))));
- } else {
- _FDT((fdt_setprop(fdt, xscom_offset, "compatible", compat_p8,
- sizeof(compat_p8))));
- }
-
+ _FDT((fdt_setprop(fdt, xscom_offset, "compatible", compat, compat_size)));
_FDT((fdt_setprop(fdt, xscom_offset, "scom-controller", NULL, 0)));
args.fdt = fdt;
args.xscom_offset = xscom_offset;
- object_child_foreach(OBJECT(chip), xscom_populate_child, &args);
+ /*
+ * Loop on the whole object hierarchy to catch all
+ * PnvXScomInterface objects which can lie a bit deeper than the
+ * first layer.
+ */
+ object_child_foreach_recursive(OBJECT(chip), xscom_dt_child, &args);
return 0;
}
projects / mirror_qemu.git / blobdiff