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-rw-r--r--hw/ppc/Makefile.objs3
-rw-r--r--hw/ppc/mac_newworld.c4
-rw-r--r--hw/ppc/pnv_core.c1
-rw-r--r--hw/ppc/ppc440.h1
-rw-r--r--hw/ppc/ppc440_uc.c222
-rw-r--r--hw/ppc/sam460ex.c32
-rw-r--r--hw/ppc/spapr.c16
-rw-r--r--hw/ppc/spapr_caps.c13
8 files changed, 281 insertions, 11 deletions
diff --git a/hw/ppc/Makefile.objs b/hw/ppc/Makefile.objs
index 86d82a6ec3..bcab6323b7 100644
--- a/hw/ppc/Makefile.objs
+++ b/hw/ppc/Makefile.objs
@@ -14,7 +14,8 @@ obj-$(CONFIG_PSERIES) += spapr_rtas_ddw.o
# PowerPC 4xx boards
obj-y += ppc4xx_devs.o ppc405_uc.o
obj-$(CONFIG_PPC4XX) += ppc4xx_pci.o ppc405_boards.o
-obj-$(CONFIG_PPC4XX) += ppc440_bamboo.o ppc440_pcix.o ppc440_uc.o sam460ex.o
+obj-$(CONFIG_PPC4XX) += ppc440_bamboo.o ppc440_pcix.o ppc440_uc.o
+obj-$(CONFIG_SAM460EX) += sam460ex.o
# PReP
obj-$(CONFIG_PREP) += prep.o
obj-$(CONFIG_PREP) += prep_systemio.o
diff --git a/hw/ppc/mac_newworld.c b/hw/ppc/mac_newworld.c
index 84355b2672..d11980166f 100644
--- a/hw/ppc/mac_newworld.c
+++ b/hw/ppc/mac_newworld.c
@@ -406,11 +406,11 @@ static void ppc_core99_init(MachineState *machine)
adb_bus = qdev_get_child_bus(dev, "adb.0");
dev = qdev_create(adb_bus, TYPE_ADB_KEYBOARD);
- qdev_prop_set_bit(dev, "disable-direct-reg3-writes", has_pmu);
+ qdev_prop_set_bit(dev, "disable-direct-reg3-writes", true);
qdev_init_nofail(dev);
dev = qdev_create(adb_bus, TYPE_ADB_MOUSE);
- qdev_prop_set_bit(dev, "disable-direct-reg3-writes", has_pmu);
+ qdev_prop_set_bit(dev, "disable-direct-reg3-writes", true);
qdev_init_nofail(dev);
}
diff --git a/hw/ppc/pnv_core.c b/hw/ppc/pnv_core.c
index a9f129fc2c..9750464bf4 100644
--- a/hw/ppc/pnv_core.c
+++ b/hw/ppc/pnv_core.c
@@ -150,6 +150,7 @@ static void pnv_core_realize(DeviceState *dev, Error **errp)
if (!chip) {
error_propagate(errp, local_err);
error_prepend(errp, "required link 'chip' not found: ");
+ return;
}
pc->threads = g_new(PowerPCCPU *, cc->nr_threads);
diff --git a/hw/ppc/ppc440.h b/hw/ppc/ppc440.h
index ad27db12e4..7cef936125 100644
--- a/hw/ppc/ppc440.h
+++ b/hw/ppc/ppc440.h
@@ -21,6 +21,7 @@ void ppc440_sdram_init(CPUPPCState *env, int nbanks,
hwaddr *ram_bases, hwaddr *ram_sizes,
int do_init);
void ppc4xx_ahb_init(CPUPPCState *env);
+void ppc4xx_dma_init(CPUPPCState *env, int dcr_base);
void ppc460ex_pcie_init(CPUPPCState *env);
#endif /* PPC440_H */
diff --git a/hw/ppc/ppc440_uc.c b/hw/ppc/ppc440_uc.c
index 1ab2235f20..0bbaa6844a 100644
--- a/hw/ppc/ppc440_uc.c
+++ b/hw/ppc/ppc440_uc.c
@@ -13,6 +13,7 @@
#include "qemu-common.h"
#include "qemu/error-report.h"
#include "qapi/error.h"
+#include "qemu/log.h"
#include "cpu.h"
#include "hw/hw.h"
#include "exec/address-spaces.h"
@@ -803,6 +804,227 @@ void ppc4xx_ahb_init(CPUPPCState *env)
}
/*****************************************************************************/
+/* DMA controller */
+
+#define DMA0_CR_CE (1 << 31)
+#define DMA0_CR_PW (1 << 26 | 1 << 25)
+#define DMA0_CR_DAI (1 << 24)
+#define DMA0_CR_SAI (1 << 23)
+#define DMA0_CR_DEC (1 << 2)
+
+enum {
+ DMA0_CR = 0x00,
+ DMA0_CT,
+ DMA0_SAH,
+ DMA0_SAL,
+ DMA0_DAH,
+ DMA0_DAL,
+ DMA0_SGH,
+ DMA0_SGL,
+
+ DMA0_SR = 0x20,
+ DMA0_SGC = 0x23,
+ DMA0_SLP = 0x25,
+ DMA0_POL = 0x26,
+};
+
+typedef struct {
+ uint32_t cr;
+ uint32_t ct;
+ uint64_t sa;
+ uint64_t da;
+ uint64_t sg;
+} PPC4xxDmaChnl;
+
+typedef struct {
+ int base;
+ PPC4xxDmaChnl ch[4];
+ uint32_t sr;
+} PPC4xxDmaState;
+
+static uint32_t dcr_read_dma(void *opaque, int dcrn)
+{
+ PPC4xxDmaState *dma = opaque;
+ uint32_t val = 0;
+ int addr = dcrn - dma->base;
+ int chnl = addr / 8;
+
+ switch (addr) {
+ case 0x00 ... 0x1f:
+ switch (addr % 8) {
+ case DMA0_CR:
+ val = dma->ch[chnl].cr;
+ break;
+ case DMA0_CT:
+ val = dma->ch[chnl].ct;
+ break;
+ case DMA0_SAH:
+ val = dma->ch[chnl].sa >> 32;
+ break;
+ case DMA0_SAL:
+ val = dma->ch[chnl].sa;
+ break;
+ case DMA0_DAH:
+ val = dma->ch[chnl].da >> 32;
+ break;
+ case DMA0_DAL:
+ val = dma->ch[chnl].da;
+ break;
+ case DMA0_SGH:
+ val = dma->ch[chnl].sg >> 32;
+ break;
+ case DMA0_SGL:
+ val = dma->ch[chnl].sg;
+ break;
+ }
+ break;
+ case DMA0_SR:
+ val = dma->sr;
+ break;
+ default:
+ qemu_log_mask(LOG_UNIMP, "%s: unimplemented register %x (%d, %x)\n",
+ __func__, dcrn, chnl, addr);
+ }
+
+ return val;
+}
+
+static void dcr_write_dma(void *opaque, int dcrn, uint32_t val)
+{
+ PPC4xxDmaState *dma = opaque;
+ int addr = dcrn - dma->base;
+ int chnl = addr / 8;
+
+ switch (addr) {
+ case 0x00 ... 0x1f:
+ switch (addr % 8) {
+ case DMA0_CR:
+ dma->ch[chnl].cr = val;
+ if (val & DMA0_CR_CE) {
+ int count = dma->ch[chnl].ct & 0xffff;
+
+ if (count) {
+ int width, i, sidx, didx;
+ uint8_t *rptr, *wptr;
+ hwaddr rlen, wlen;
+
+ sidx = didx = 0;
+ width = 1 << ((val & DMA0_CR_PW) >> 25);
+ rptr = cpu_physical_memory_map(dma->ch[chnl].sa, &rlen, 0);
+ wptr = cpu_physical_memory_map(dma->ch[chnl].da, &wlen, 1);
+ if (rptr && wptr) {
+ if (!(val & DMA0_CR_DEC) &&
+ val & DMA0_CR_SAI && val & DMA0_CR_DAI) {
+ /* optimise common case */
+ memmove(wptr, rptr, count * width);
+ sidx = didx = count * width;
+ } else {
+ /* do it the slow way */
+ for (sidx = didx = i = 0; i < count; i++) {
+ uint64_t v = ldn_le_p(rptr + sidx, width);
+ stn_le_p(wptr + didx, width, v);
+ if (val & DMA0_CR_SAI) {
+ sidx += width;
+ }
+ if (val & DMA0_CR_DAI) {
+ didx += width;
+ }
+ }
+ }
+ }
+ if (wptr) {
+ cpu_physical_memory_unmap(wptr, wlen, 1, didx);
+ }
+ if (wptr) {
+ cpu_physical_memory_unmap(rptr, rlen, 0, sidx);
+ }
+ }
+ }
+ break;
+ case DMA0_CT:
+ dma->ch[chnl].ct = val;
+ break;
+ case DMA0_SAH:
+ dma->ch[chnl].sa &= 0xffffffffULL;
+ dma->ch[chnl].sa |= (uint64_t)val << 32;
+ break;
+ case DMA0_SAL:
+ dma->ch[chnl].sa &= 0xffffffff00000000ULL;
+ dma->ch[chnl].sa |= val;
+ break;
+ case DMA0_DAH:
+ dma->ch[chnl].da &= 0xffffffffULL;
+ dma->ch[chnl].da |= (uint64_t)val << 32;
+ break;
+ case DMA0_DAL:
+ dma->ch[chnl].da &= 0xffffffff00000000ULL;
+ dma->ch[chnl].da |= val;
+ break;
+ case DMA0_SGH:
+ dma->ch[chnl].sg &= 0xffffffffULL;
+ dma->ch[chnl].sg |= (uint64_t)val << 32;
+ break;
+ case DMA0_SGL:
+ dma->ch[chnl].sg &= 0xffffffff00000000ULL;
+ dma->ch[chnl].sg |= val;
+ break;
+ }
+ break;
+ case DMA0_SR:
+ dma->sr &= ~val;
+ break;
+ default:
+ qemu_log_mask(LOG_UNIMP, "%s: unimplemented register %x (%d, %x)\n",
+ __func__, dcrn, chnl, addr);
+ }
+}
+
+static void ppc4xx_dma_reset(void *opaque)
+{
+ PPC4xxDmaState *dma = opaque;
+ int dma_base = dma->base;
+
+ memset(dma, 0, sizeof(*dma));
+ dma->base = dma_base;
+}
+
+void ppc4xx_dma_init(CPUPPCState *env, int dcr_base)
+{
+ PPC4xxDmaState *dma;
+ int i;
+
+ dma = g_malloc0(sizeof(*dma));
+ dma->base = dcr_base;
+ qemu_register_reset(&ppc4xx_dma_reset, dma);
+ for (i = 0; i < 4; i++) {
+ ppc_dcr_register(env, dcr_base + i * 8 + DMA0_CR,
+ dma, &dcr_read_dma, &dcr_write_dma);
+ ppc_dcr_register(env, dcr_base + i * 8 + DMA0_CT,
+ dma, &dcr_read_dma, &dcr_write_dma);
+ ppc_dcr_register(env, dcr_base + i * 8 + DMA0_SAH,
+ dma, &dcr_read_dma, &dcr_write_dma);
+ ppc_dcr_register(env, dcr_base + i * 8 + DMA0_SAL,
+ dma, &dcr_read_dma, &dcr_write_dma);
+ ppc_dcr_register(env, dcr_base + i * 8 + DMA0_DAH,
+ dma, &dcr_read_dma, &dcr_write_dma);
+ ppc_dcr_register(env, dcr_base + i * 8 + DMA0_DAL,
+ dma, &dcr_read_dma, &dcr_write_dma);
+ ppc_dcr_register(env, dcr_base + i * 8 + DMA0_SGH,
+ dma, &dcr_read_dma, &dcr_write_dma);
+ ppc_dcr_register(env, dcr_base + i * 8 + DMA0_SGL,
+ dma, &dcr_read_dma, &dcr_write_dma);
+ }
+ ppc_dcr_register(env, dcr_base + DMA0_SR,
+ dma, &dcr_read_dma, &dcr_write_dma);
+ ppc_dcr_register(env, dcr_base + DMA0_SGC,
+ dma, &dcr_read_dma, &dcr_write_dma);
+ ppc_dcr_register(env, dcr_base + DMA0_SLP,
+ dma, &dcr_read_dma, &dcr_write_dma);
+ ppc_dcr_register(env, dcr_base + DMA0_POL,
+ dma, &dcr_read_dma, &dcr_write_dma);
+}
+
+/*****************************************************************************/
/* PCI Express controller */
/* FIXME: This is not complete and does not work, only implemented partially
* to allow firmware and guests to find an empty bus. Cards should use PCI.
diff --git a/hw/ppc/sam460ex.c b/hw/ppc/sam460ex.c
index c7c799b843..7eed2ec601 100644
--- a/hw/ppc/sam460ex.c
+++ b/hw/ppc/sam460ex.c
@@ -37,6 +37,8 @@
#include "hw/i2c/smbus.h"
#include "hw/usb/hcd-ehci.h"
+#include <libfdt.h>
+
#define BINARY_DEVICE_TREE_FILE "canyonlands.dtb"
#define UBOOT_FILENAME "u-boot-sam460-20100605.bin"
/* to extract the official U-Boot bin from the updater: */
@@ -67,6 +69,10 @@
*/
#define CPU_FREQ 1150000000
+#define PLB_FREQ 230000000
+#define OPB_FREQ 115000000
+#define EBC_FREQ 115000000
+#define UART_FREQ 11059200
#define SDRAM_NR_BANKS 4
/* FIXME: See u-boot.git 8ac41e, also fix in ppc440_uc.c */
@@ -255,6 +261,7 @@ static int sam460ex_load_device_tree(hwaddr addr,
void *fdt;
uint32_t tb_freq = CPU_FREQ;
uint32_t clock_freq = CPU_FREQ;
+ int offset;
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, BINARY_DEVICE_TREE_FILE);
if (!filename) {
@@ -308,6 +315,27 @@ static int sam460ex_load_device_tree(hwaddr addr,
qemu_fdt_setprop_cell(fdt, "/cpus/cpu@0", "timebase-frequency",
tb_freq);
+ /* Remove cpm node if it exists (it is not emulated) */
+ offset = fdt_path_offset(fdt, "/cpm");
+ if (offset >= 0) {
+ fdt_nop_node(fdt, offset);
+ }
+
+ /* set serial port clocks */
+ offset = fdt_node_offset_by_compatible(fdt, -1, "ns16550");
+ while (offset >= 0) {
+ fdt_setprop_cell(fdt, offset, "clock-frequency", UART_FREQ);
+ offset = fdt_node_offset_by_compatible(fdt, offset, "ns16550");
+ }
+
+ /* some more clocks */
+ qemu_fdt_setprop_cell(fdt, "/plb", "clock-frequency",
+ PLB_FREQ);
+ qemu_fdt_setprop_cell(fdt, "/plb/opb", "clock-frequency",
+ OPB_FREQ);
+ qemu_fdt_setprop_cell(fdt, "/plb/opb/ebc", "clock-frequency",
+ EBC_FREQ);
+
rom_add_blob_fixed(BINARY_DEVICE_TREE_FILE, fdt, fdt_size, addr);
g_free(fdt);
ret = fdt_size;
@@ -457,6 +485,7 @@ static void sam460ex_init(MachineState *machine)
object_property_set_bool(OBJECT(dev), true, "realized", NULL);
smbus_eeprom_init(i2c[0]->bus, 8, smbus_eeprom_buf, smbus_eeprom_size);
g_free(smbus_eeprom_buf);
+ i2c_create_slave(i2c[0]->bus, "m41t80", 0x68);
dev = sysbus_create_simple(TYPE_PPC4xx_I2C, 0x4ef600800, uic[0][3]);
i2c[1] = PPC4xx_I2C(dev);
@@ -476,6 +505,9 @@ static void sam460ex_init(MachineState *machine)
/* MAL */
ppc4xx_mal_init(env, 4, 16, &uic[2][3]);
+ /* DMA */
+ ppc4xx_dma_init(env, 0x200);
+
/* 256K of L2 cache as memory */
ppc4xx_l2sram_init(env);
/* FIXME: remove this after fixing l2sram mapping in ppc440_uc.c? */
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 1602472165..3f5e1d3ec2 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -137,7 +137,7 @@ static ICSState *spapr_ics_create(sPAPRMachineState *spapr,
goto error;
}
- return ICS_SIMPLE(obj);
+ return ICS_BASE(obj);
error:
error_propagate(errp, local_err);
@@ -3962,6 +3962,7 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data)
mc->no_parallel = 1;
mc->default_boot_order = "";
mc->default_ram_size = 512 * MiB;
+ mc->default_display = "std";
mc->kvm_type = spapr_kvm_type;
machine_class_allow_dynamic_sysbus_dev(mc, TYPE_SPAPR_PCI_HOST_BRIDGE);
mc->pci_allow_0_address = true;
@@ -4095,17 +4096,16 @@ static void spapr_machine_2_12_instance_options(MachineState *machine)
static void spapr_machine_2_12_class_options(MachineClass *mc)
{
sPAPRMachineClass *smc = SPAPR_MACHINE_CLASS(mc);
- uint8_t mps;
spapr_machine_3_0_class_options(mc);
SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_12);
- if (kvmppc_hpt_needs_host_contiguous_pages()) {
- mps = ctz64(qemu_getrampagesize());
- } else {
- mps = 34; /* allow everything up to 16GiB, i.e. everything */
- }
- smc->default_caps.caps[SPAPR_CAP_HPT_MAXPAGESIZE] = mps;
+ /* We depend on kvm_enabled() to choose a default value for the
+ * hpt-max-page-size capability. Of course we can't do it here
+ * because this is too early and the HW accelerator isn't initialzed
+ * yet. Postpone this to machine init (see default_caps_with_cpu()).
+ */
+ smc->default_caps.caps[SPAPR_CAP_HPT_MAXPAGESIZE] = 0;
}
DEFINE_SPAPR_MACHINE(2_12, "2.12", false);
diff --git a/hw/ppc/spapr_caps.c b/hw/ppc/spapr_caps.c
index 62663ebdf5..aa605cea91 100644
--- a/hw/ppc/spapr_caps.c
+++ b/hw/ppc/spapr_caps.c
@@ -465,6 +465,19 @@ static sPAPRCapabilities default_caps_with_cpu(sPAPRMachineState *spapr,
caps.caps[SPAPR_CAP_IBS] = SPAPR_CAP_BROKEN;
}
+ /* This is for pseries-2.12 and older */
+ if (smc->default_caps.caps[SPAPR_CAP_HPT_MAXPAGESIZE] == 0) {
+ uint8_t mps;
+
+ if (kvmppc_hpt_needs_host_contiguous_pages()) {
+ mps = ctz64(qemu_getrampagesize());
+ } else {
+ mps = 34; /* allow everything up to 16GiB, i.e. everything */
+ }
+
+ caps.caps[SPAPR_CAP_HPT_MAXPAGESIZE] = mps;
+ }
+
return caps;
}
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2025-04-24 05:58:44 +0200