Merge tag 'pull-target-arm-20230606' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
 * Support gdbstub (guest debug) in HVF
 * xnlx-versal: Support CANFD controller
 * bpim2u: New board model: Banana Pi BPI-M2 Ultra
 * Emulate FEAT_LSE2
 * allow DC CVA[D]P in user mode emulation
 * trap DCC access in user mode emulation

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# gpg: Signature made Tue 06 Jun 2023 02:47:17 AM PDT
# gpg:                using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [full]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [full]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [full]
# gpg:                 aka "Peter Maydell <peter@archaic.org.uk>" [unknown]

* tag 'pull-target-arm-20230606' of https://git.linaro.org/people/pmaydell/qemu-arm: (42 commits)
  target/arm: trap DCC access in user mode emulation
  tests/tcg/aarch64: add DC CVA[D]P tests
  target/arm: allow DC CVA[D]P in user mode emulation
  target/arm: Enable FEAT_LSE2 for -cpu max
  tests/tcg/multiarch: Adjust sigbus.c
  tests/tcg/aarch64: Use stz2g in mte-7.c
  target/arm: Move mte check for store-exclusive
  target/arm: Relax ordered/atomic alignment checks for LSE2
  target/arm: Add SCTLR.nAA to TBFLAG_A64
  target/arm: Check alignment in helper_mte_check
  target/arm: Pass single_memop to gen_mte_checkN
  target/arm: Pass memop to gen_mte_check1*
  target/arm: Hoist finalize_memop out of do_fp_{ld, st}
  target/arm: Hoist finalize_memop out of do_gpr_{ld, st}
  target/arm: Load/store integer pair with one tcg operation
  target/arm: Sink gen_mte_check1 into load/store_exclusive
  target/arm: Use tcg_gen_qemu_{ld, st}_i128 in gen_sve_{ld, st}r
  target/arm: Use tcg_gen_qemu_st_i128 for STZG, STZ2G
  target/arm: Use tcg_gen_qemu_{st, ld}_i128 for do_fp_{st, ld}
  target/arm: Use tcg_gen_qemu_ld_i128 for LDXP
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 283 insertions, 0 deletions

diff --git a/hw/misc/axp2xx.c b/hw/misc/axp2xx.c
new file mode 100644
index 0000000000..41538c1cd7
--- /dev/null
+++ b/hw/misc/axp2xx.c
@@ -0,0 +1,283 @@
+/*
+ * AXP-2XX PMU Emulation, supported lists:
+ *   AXP209
+ *   AXP221
+ *
+ * Copyright (C) 2022 Strahinja Jankovic <strahinja.p.jankovic@gmail.com>
+ * Copyright (C) 2023 qianfan Zhao <qianfanguijin@163.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/log.h"
+#include "qom/object.h"
+#include "trace.h"
+#include "hw/i2c/i2c.h"
+#include "migration/vmstate.h"
+
+#define TYPE_AXP2XX     "axp2xx_pmu"
+#define TYPE_AXP209_PMU "axp209_pmu"
+#define TYPE_AXP221_PMU "axp221_pmu"
+
+OBJECT_DECLARE_TYPE(AXP2xxI2CState, AXP2xxClass, AXP2XX)
+
+#define NR_REGS                            (0xff)
+
+/* A simple I2C slave which returns values of ID or CNT register. */
+typedef struct AXP2xxI2CState {
+    /*< private >*/
+    I2CSlave i2c;
+    /*< public >*/
+    uint8_t regs[NR_REGS];  /* peripheral registers */
+    uint8_t ptr;            /* current register index */
+    uint8_t count;          /* counter used for tx/rx */
+} AXP2xxI2CState;
+
+typedef struct AXP2xxClass {
+    /*< private >*/
+    I2CSlaveClass parent_class;
+    /*< public >*/
+    void (*reset_enter)(AXP2xxI2CState *s, ResetType type);
+} AXP2xxClass;
+
+#define AXP209_CHIP_VERSION_ID             (0x01)
+#define AXP209_DC_DC2_OUT_V_CTRL_RESET     (0x16)
+
+/* Reset all counters and load ID register */
+static void axp209_reset_enter(AXP2xxI2CState *s, ResetType type)
+{
+    memset(s->regs, 0, NR_REGS);
+    s->ptr = 0;
+    s->count = 0;
+
+    s->regs[0x03] = AXP209_CHIP_VERSION_ID;
+    s->regs[0x23] = AXP209_DC_DC2_OUT_V_CTRL_RESET;
+
+    s->regs[0x30] = 0x60;
+    s->regs[0x32] = 0x46;
+    s->regs[0x34] = 0x41;
+    s->regs[0x35] = 0x22;
+    s->regs[0x36] = 0x5d;
+    s->regs[0x37] = 0x08;
+    s->regs[0x38] = 0xa5;
+    s->regs[0x39] = 0x1f;
+    s->regs[0x3a] = 0x68;
+    s->regs[0x3b] = 0x5f;
+    s->regs[0x3c] = 0xfc;
+    s->regs[0x3d] = 0x16;
+    s->regs[0x40] = 0xd8;
+    s->regs[0x42] = 0xff;
+    s->regs[0x43] = 0x3b;
+    s->regs[0x80] = 0xe0;
+    s->regs[0x82] = 0x83;
+    s->regs[0x83] = 0x80;
+    s->regs[0x84] = 0x32;
+    s->regs[0x86] = 0xff;
+    s->regs[0x90] = 0x07;
+    s->regs[0x91] = 0xa0;
+    s->regs[0x92] = 0x07;
+    s->regs[0x93] = 0x07;
+}
+
+#define AXP221_PWR_STATUS_ACIN_PRESENT          BIT(7)
+#define AXP221_PWR_STATUS_ACIN_AVAIL            BIT(6)
+#define AXP221_PWR_STATUS_VBUS_PRESENT          BIT(5)
+#define AXP221_PWR_STATUS_VBUS_USED             BIT(4)
+#define AXP221_PWR_STATUS_BAT_CHARGING          BIT(2)
+#define AXP221_PWR_STATUS_ACIN_VBUS_POWERED     BIT(1)
+
+/* Reset all counters and load ID register */
+static void axp221_reset_enter(AXP2xxI2CState *s, ResetType type)
+{
+    memset(s->regs, 0, NR_REGS);
+    s->ptr = 0;
+    s->count = 0;
+
+    /* input power status register */
+    s->regs[0x00] = AXP221_PWR_STATUS_ACIN_PRESENT
+                    | AXP221_PWR_STATUS_ACIN_AVAIL
+                    | AXP221_PWR_STATUS_ACIN_VBUS_POWERED;
+
+    s->regs[0x01] = 0x00; /* no battery is connected */
+
+    /*
+     * CHIPID register, no documented on datasheet, but it is checked in
+     * u-boot spl. I had read it from AXP221s and got 0x06 value.
+     * So leave 06h here.
+     */
+    s->regs[0x03] = 0x06;
+
+    s->regs[0x10] = 0xbf;
+    s->regs[0x13] = 0x01;
+    s->regs[0x30] = 0x60;
+    s->regs[0x31] = 0x03;
+    s->regs[0x32] = 0x43;
+    s->regs[0x33] = 0xc6;
+    s->regs[0x34] = 0x45;
+    s->regs[0x35] = 0x0e;
+    s->regs[0x36] = 0x5d;
+    s->regs[0x37] = 0x08;
+    s->regs[0x38] = 0xa5;
+    s->regs[0x39] = 0x1f;
+    s->regs[0x3c] = 0xfc;
+    s->regs[0x3d] = 0x16;
+    s->regs[0x80] = 0x80;
+    s->regs[0x82] = 0xe0;
+    s->regs[0x84] = 0x32;
+    s->regs[0x8f] = 0x01;
+
+    s->regs[0x90] = 0x07;
+    s->regs[0x91] = 0x1f;
+    s->regs[0x92] = 0x07;
+    s->regs[0x93] = 0x1f;
+
+    s->regs[0x40] = 0xd8;
+    s->regs[0x41] = 0xff;
+    s->regs[0x42] = 0x03;
+    s->regs[0x43] = 0x03;
+
+    s->regs[0xb8] = 0xc0;
+    s->regs[0xb9] = 0x64;
+    s->regs[0xe6] = 0xa0;
+}
+
+static void axp2xx_reset_enter(Object *obj, ResetType type)
+{
+    AXP2xxI2CState *s = AXP2XX(obj);
+    AXP2xxClass *sc = AXP2XX_GET_CLASS(s);
+
+    sc->reset_enter(s, type);
+}
+
+/* Handle events from master. */
+static int axp2xx_event(I2CSlave *i2c, enum i2c_event event)
+{
+    AXP2xxI2CState *s = AXP2XX(i2c);
+
+    s->count = 0;
+
+    return 0;
+}
+
+/* Called when master requests read */
+static uint8_t axp2xx_rx(I2CSlave *i2c)
+{
+    AXP2xxI2CState *s = AXP2XX(i2c);
+    uint8_t ret = 0xff;
+
+    if (s->ptr < NR_REGS) {
+        ret = s->regs[s->ptr++];
+    }
+
+    trace_axp2xx_rx(s->ptr - 1, ret);
+
+    return ret;
+}
+
+/*
+ * Called when master sends write.
+ * Update ptr with byte 0, then perform write with second byte.
+ */
+static int axp2xx_tx(I2CSlave *i2c, uint8_t data)
+{
+    AXP2xxI2CState *s = AXP2XX(i2c);
+
+    if (s->count == 0) {
+        /* Store register address */
+        s->ptr = data;
+        s->count++;
+        trace_axp2xx_select(data);
+    } else {
+        trace_axp2xx_tx(s->ptr, data);
+        s->regs[s->ptr++] = data;
+    }
+
+    return 0;
+}
+
+static const VMStateDescription vmstate_axp2xx = {
+    .name = TYPE_AXP2XX,
+    .version_id = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT8_ARRAY(regs, AXP2xxI2CState, NR_REGS),
+        VMSTATE_UINT8(ptr, AXP2xxI2CState),
+        VMSTATE_UINT8(count, AXP2xxI2CState),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static void axp2xx_class_init(ObjectClass *oc, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(oc);
+    I2CSlaveClass *isc = I2C_SLAVE_CLASS(oc);
+    ResettableClass *rc = RESETTABLE_CLASS(oc);
+
+    rc->phases.enter = axp2xx_reset_enter;
+    dc->vmsd = &vmstate_axp2xx;
+    isc->event = axp2xx_event;
+    isc->recv = axp2xx_rx;
+    isc->send = axp2xx_tx;
+}
+
+static const TypeInfo axp2xx_info = {
+    .name = TYPE_AXP2XX,
+    .parent = TYPE_I2C_SLAVE,
+    .instance_size = sizeof(AXP2xxI2CState),
+    .class_size = sizeof(AXP2xxClass),
+    .class_init = axp2xx_class_init,
+    .abstract = true,
+};
+
+static void axp209_class_init(ObjectClass *oc, void *data)
+{
+    AXP2xxClass *sc = AXP2XX_CLASS(oc);
+
+    sc->reset_enter = axp209_reset_enter;
+}
+
+static const TypeInfo axp209_info = {
+    .name = TYPE_AXP209_PMU,
+    .parent = TYPE_AXP2XX,
+    .class_init = axp209_class_init
+};
+
+static void axp221_class_init(ObjectClass *oc, void *data)
+{
+    AXP2xxClass *sc = AXP2XX_CLASS(oc);
+
+    sc->reset_enter = axp221_reset_enter;
+}
+
+static const TypeInfo axp221_info = {
+    .name = TYPE_AXP221_PMU,
+    .parent = TYPE_AXP2XX,
+    .class_init = axp221_class_init,
+};
+
+static void axp2xx_register_devices(void)
+{
+    type_register_static(&axp2xx_info);
+    type_register_static(&axp209_info);
+    type_register_static(&axp221_info);
+}
+
+type_init(axp2xx_register_devices);