Drop the deprecated lm32 target

Target lm32 was deprecated in commit d8498005122, v5.2.0.  See there
for rationale.

Some of its code lives on in device models derived from milkymist
ones: hw/char/digic-uart.c and hw/display/bcm2835_fb.c.

Cc: Michael Walle <michael@walle.cc>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210503084034.3804963-2-armbru@redhat.com>
Acked-by: Michael Walle <michael@walle.cc>
[Trivial conflicts resolved, reST markup fixed]

1 files changed, 0 insertions, 249 deletions

diff --git a/hw/lm32/milkymist.c b/hw/lm32/milkymist.c
deleted file mode 100644
index bef7855328..0000000000
--- a/hw/lm32/milkymist.c
+++ /dev/null
@@ -1,249 +0,0 @@
-/*
- *  QEMU model for the Milkymist board.
- *
- *  Copyright (c) 2010 Michael Walle <michael@walle.cc>
- *
- * 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 2.1 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
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * 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 "qemu/units.h"
-#include "qemu/error-report.h"
-#include "qemu-common.h"
-#include "qemu/datadir.h"
-#include "cpu.h"
-#include "hw/sysbus.h"
-#include "hw/irq.h"
-#include "hw/block/flash.h"
-#include "sysemu/sysemu.h"
-#include "sysemu/qtest.h"
-#include "sysemu/reset.h"
-#include "hw/boards.h"
-#include "hw/loader.h"
-#include "hw/qdev-properties.h"
-#include "elf.h"
-#include "milkymist-hw.h"
-#include "hw/display/milkymist_tmu2.h"
-#include "hw/sd/sd.h"
-#include "lm32.h"
-#include "qemu/cutils.h"
-
-#define BIOS_FILENAME    "mmone-bios.bin"
-#define BIOS_OFFSET      0x00860000
-#define BIOS_SIZE        (512 * KiB)
-#define KERNEL_LOAD_ADDR 0x40000000
-
-typedef struct {
-    LM32CPU *cpu;
-    hwaddr bootstrap_pc;
-    hwaddr flash_base;
-    hwaddr initrd_base;
-    size_t initrd_size;
-    hwaddr cmdline_base;
-} ResetInfo;
-
-static void cpu_irq_handler(void *opaque, int irq, int level)
-{
-    LM32CPU *cpu = opaque;
-    CPUState *cs = CPU(cpu);
-
-    if (level) {
-        cpu_interrupt(cs, CPU_INTERRUPT_HARD);
-    } else {
-        cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD);
-    }
-}
-
-static void main_cpu_reset(void *opaque)
-{
-    ResetInfo *reset_info = opaque;
-    CPULM32State *env = &reset_info->cpu->env;
-
-    cpu_reset(CPU(reset_info->cpu));
-
-    /* init defaults */
-    env->pc = reset_info->bootstrap_pc;
-    env->regs[R_R1] = reset_info->cmdline_base;
-    env->regs[R_R2] = reset_info->initrd_base;
-    env->regs[R_R3] = reset_info->initrd_base + reset_info->initrd_size;
-    env->eba = reset_info->flash_base;
-    env->deba = reset_info->flash_base;
-}
-
-static DeviceState *milkymist_memcard_create(hwaddr base)
-{
-    DeviceState *dev;
-    DriveInfo *dinfo;
-
-    dev = qdev_new("milkymist-memcard");
-    sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
-    sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base);
-
-    dinfo = drive_get_next(IF_SD);
-    if (dinfo) {
-        DeviceState *card;
-
-        card = qdev_new(TYPE_SD_CARD);
-        qdev_prop_set_drive_err(card, "drive", blk_by_legacy_dinfo(dinfo),
-                                &error_fatal);
-        qdev_realize_and_unref(card, qdev_get_child_bus(dev, "sd-bus"),
-                               &error_fatal);
-    }
-
-    return dev;
-}
-
-static void
-milkymist_init(MachineState *machine)
-{
-    MachineClass *mc = MACHINE_GET_CLASS(machine);
-    const char *bios_name = machine->firmware ?: BIOS_FILENAME;
-    const char *kernel_filename = machine->kernel_filename;
-    const char *kernel_cmdline = machine->kernel_cmdline;
-    const char *initrd_filename = machine->initrd_filename;
-    LM32CPU *cpu;
-    CPULM32State *env;
-    int kernel_size;
-    DriveInfo *dinfo;
-    MemoryRegion *address_space_mem = get_system_memory();
-    qemu_irq irq[32];
-    int i;
-    char *bios_filename;
-    ResetInfo *reset_info;
-
-    if (machine->ram_size != mc->default_ram_size) {
-        char *sz = size_to_str(mc->default_ram_size);
-        error_report("Invalid RAM size, should be %s", sz);
-        g_free(sz);
-        exit(EXIT_FAILURE);
-    }
-
-    /* memory map */
-    hwaddr flash_base   = 0x00000000;
-    size_t flash_sector_size        = 128 * KiB;
-    size_t flash_size               = 32 * MiB;
-    hwaddr sdram_base   = 0x40000000;
-
-    hwaddr initrd_base  = sdram_base + 0x1002000;
-    hwaddr cmdline_base = sdram_base + 0x1000000;
-    size_t initrd_max = machine->ram_size - 0x1002000;
-
-    reset_info = g_malloc0(sizeof(ResetInfo));
-
-    cpu = LM32_CPU(cpu_create(machine->cpu_type));
-
-    env = &cpu->env;
-    reset_info->cpu = cpu;
-
-    cpu_lm32_set_phys_msb_ignore(env, 1);
-
-    memory_region_add_subregion(address_space_mem, sdram_base, machine->ram);
-
-    dinfo = drive_get(IF_PFLASH, 0, 0);
-    /* Numonyx JS28F256J3F105 */
-    pflash_cfi01_register(flash_base, "milkymist.flash", flash_size,
-                          dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
-                          flash_sector_size, 2, 0x00, 0x89, 0x00, 0x1d, 1);
-
-    /* create irq lines */
-    env->pic_state = lm32_pic_init(qemu_allocate_irq(cpu_irq_handler, cpu, 0));
-    for (i = 0; i < 32; i++) {
-        irq[i] = qdev_get_gpio_in(env->pic_state, i);
-    }
-
-    /* load bios rom */
-    bios_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
-
-    if (bios_filename) {
-        if (load_image_targphys(bios_filename, BIOS_OFFSET, BIOS_SIZE) < 0) {
-            error_report("could not load bios '%s'", bios_filename);
-            exit(1);
-        }
-    }
-
-    reset_info->bootstrap_pc = BIOS_OFFSET;
-
-    /* if no kernel is given no valid bios rom is a fatal error */
-    if (!kernel_filename && !dinfo && !bios_filename && !qtest_enabled()) {
-        error_report("could not load Milkymist One bios '%s'", bios_name);
-        exit(1);
-    }
-    g_free(bios_filename);
-
-    milkymist_uart_create(0x60000000, irq[0], serial_hd(0));
-    milkymist_sysctl_create(0x60001000, irq[1], irq[2], irq[3],
-            80000000, 0x10014d31, 0x0000041f, 0x00000001);
-    milkymist_hpdmc_create(0x60002000);
-    milkymist_vgafb_create(0x60003000, 0x40000000, 0x0fffffff);
-    milkymist_memcard_create(0x60004000);
-    milkymist_ac97_create(0x60005000, irq[4], irq[5], irq[6], irq[7]);
-    milkymist_pfpu_create(0x60006000, irq[8]);
-    if (machine->enable_graphics) {
-        milkymist_tmu2_create(0x60007000, irq[9]);
-    }
-    milkymist_minimac2_create(0x60008000, 0x30000000, irq[10], irq[11]);
-    milkymist_softusb_create(0x6000f000, irq[15],
-            0x20000000, 0x1000, 0x20020000, 0x2000);
-
-    /* make sure juart isn't the first chardev */
-    env->juart_state = lm32_juart_init(serial_hd(1));
-
-    if (kernel_filename) {
-        uint64_t entry;
-
-        /* Boots a kernel elf binary.  */
-        kernel_size = load_elf(kernel_filename, NULL, NULL, NULL,
-                               &entry, NULL, NULL, NULL,
-                               1, EM_LATTICEMICO32, 0, 0);
-        reset_info->bootstrap_pc = entry;
-
-        if (kernel_size < 0) {
-            kernel_size = load_image_targphys(kernel_filename, sdram_base,
-                                              machine->ram_size);
-            reset_info->bootstrap_pc = sdram_base;
-        }
-
-        if (kernel_size < 0) {
-            error_report("could not load kernel '%s'", kernel_filename);
-            exit(1);
-        }
-    }
-
-    if (kernel_cmdline && strlen(kernel_cmdline)) {
-        pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE,
-                kernel_cmdline);
-        reset_info->cmdline_base = (uint32_t)cmdline_base;
-    }
-
-    if (initrd_filename) {
-        size_t initrd_size;
-        initrd_size = load_image_targphys(initrd_filename, initrd_base,
-                initrd_max);
-        reset_info->initrd_base = (uint32_t)initrd_base;
-        reset_info->initrd_size = (uint32_t)initrd_size;
-    }
-
-    qemu_register_reset(main_cpu_reset, reset_info);
-}
-
-static void milkymist_machine_init(MachineClass *mc)
-{
-    mc->desc = "Milkymist One";
-    mc->init = milkymist_init;
-    mc->default_cpu_type = LM32_CPU_TYPE_NAME("lm32-full");
-    mc->default_ram_size = 128 * MiB;
-    mc->default_ram_id = "milkymist.sdram";
-}
-
-DEFINE_MACHINE("milkymist", milkymist_machine_init)