/* * Marvell MV88W8618 / Freecom MusicPal emulation. * * Copyright (c) 2008 Jan Kiszka * * This code is licensed under the GNU GPL v2. */ #include "sysbus.h" #include "arm-misc.h" #include "devices.h" #include "net.h" #include "sysemu.h" #include "boards.h" #include "pc.h" #include "qemu-timer.h" #include "block.h" #include "flash.h" #include "console.h" #include "i2c.h" #include "blockdev.h" #include "exec-memory.h" #define MP_MISC_BASE 0x80002000 #define MP_MISC_SIZE 0x00001000 #define MP_ETH_BASE 0x80008000 #define MP_ETH_SIZE 0x00001000 #define MP_WLAN_BASE 0x8000C000 #define MP_WLAN_SIZE 0x00000800 #define MP_UART1_BASE 0x8000C840 #define MP_UART2_BASE 0x8000C940 #define MP_GPIO_BASE 0x8000D000 #define MP_GPIO_SIZE 0x00001000 #define MP_FLASHCFG_BASE 0x90006000 #define MP_FLASHCFG_SIZE 0x00001000 #define MP_AUDIO_BASE 0x90007000 #define MP_PIC_BASE 0x90008000 #define MP_PIC_SIZE 0x00001000 #define MP_PIT_BASE 0x90009000 #define MP_PIT_SIZE 0x00001000 #define MP_LCD_BASE 0x9000c000 #define MP_LCD_SIZE 0x00001000 #define MP_SRAM_BASE 0xC0000000 #define MP_SRAM_SIZE 0x00020000 #define MP_RAM_DEFAULT_SIZE 32*1024*1024 #define MP_FLASH_SIZE_MAX 32*1024*1024 #define MP_TIMER1_IRQ 4 #define MP_TIMER2_IRQ 5 #define MP_TIMER3_IRQ 6 #define MP_TIMER4_IRQ 7 #define MP_EHCI_IRQ 8 #define MP_ETH_IRQ 9 #define MP_UART1_IRQ 11 #define MP_UART2_IRQ 11 #define MP_GPIO_IRQ 12 #define MP_RTC_IRQ 28 #define MP_AUDIO_IRQ 30 /* Wolfson 8750 I2C address */ #define MP_WM_ADDR 0x1A /* Ethernet register offsets */ #define MP_ETH_SMIR 0x010 #define MP_ETH_PCXR 0x408 #define MP_ETH_SDCMR 0x448 #define MP_ETH_ICR 0x450 #define MP_ETH_IMR 0x458 #define MP_ETH_FRDP0 0x480 #define MP_ETH_FRDP1 0x484 #define MP_ETH_FRDP2 0x488 #define MP_ETH_FRDP3 0x48C #define MP_ETH_CRDP0 0x4A0 #define MP_ETH_CRDP1 0x4A4 #define MP_ETH_CRDP2 0x4A8 #define MP_ETH_CRDP3 0x4AC #define MP_ETH_CTDP0 0x4E0 #define MP_ETH_CTDP1 0x4E4 #define MP_ETH_CTDP2 0x4E8 #define MP_ETH_CTDP3 0x4EC /* MII PHY access */ #define MP_ETH_SMIR_DATA 0x0000FFFF #define MP_ETH_SMIR_ADDR 0x03FF0000 #define MP_ETH_SMIR_OPCODE (1 << 26) /* Read value */ #define MP_ETH_SMIR_RDVALID (1 << 27) /* PHY registers */ #define MP_ETH_PHY1_BMSR 0x00210000 #define MP_ETH_PHY1_PHYSID1 0x00410000 #define MP_ETH_PHY1_PHYSID2 0x00610000 #define MP_PHY_BMSR_LINK 0x0004 #define MP_PHY_BMSR_AUTONEG 0x0008 #define MP_PHY_88E3015 0x01410E20 /* TX descriptor status */ #define MP_ETH_TX_OWN (1 << 31) /* RX descriptor status */ #define MP_ETH_RX_OWN (1 << 31) /* Interrupt cause/mask bits */ #define MP_ETH_IRQ_RX_BIT 0 #define MP_ETH_IRQ_RX (1 << MP_ETH_IRQ_RX_BIT) #define MP_ETH_IRQ_TXHI_BIT 2 #define MP_ETH_IRQ_TXLO_BIT 3 /* Port config bits */ #define MP_ETH_PCXR_2BSM_BIT 28 /* 2-byte incoming suffix */ /* SDMA command bits */ #define MP_ETH_CMD_TXHI (1 << 23) #define MP_ETH_CMD_TXLO (1 << 22) typedef struct mv88w8618_tx_desc { uint32_t cmdstat; uint16_t res; uint16_t bytes; uint32_t buffer; uint32_t next; } mv88w8618_tx_desc; typedef struct mv88w8618_rx_desc { uint32_t cmdstat; uint16_t bytes; uint16_t buffer_size; uint32_t buffer; uint32_t next; } mv88w8618_rx_desc; typedef struct mv88w8618_eth_state { SysBusDevice busdev; MemoryRegion iomem; qemu_irq irq; uint32_t smir; uint32_t icr; uint32_t imr; int mmio_index; uint32_t vlan_header; uint32_t tx_queue[2]; uint32_t rx_queue[4]; uint32_t frx_queue[4]; uint32_t cur_rx[4]; NICState *nic; NICConf conf; } mv88w8618_eth_state; static void eth_rx_desc_put(uint32_t addr, mv88w8618_rx_desc *desc) { cpu_to_le32s(&desc->cmdstat); cpu_to_le16s(&desc->bytes); cpu_to_le16s(&desc->buffer_size); cpu_to_le32s(&desc->buffer); cpu_to_le32s(&desc->next); cpu_physical_memory_write(addr, (void *)desc, sizeof(*desc)); } static void eth_rx_desc_get(uint32_t addr, mv88w8618_rx_desc *desc) { cpu_physical_memory_read(addr, (void *)desc, sizeof(*desc)); le32_to_cpus(&desc->cmdstat); le16_to_cpus(&desc->bytes); le16_to_cpus(&desc->buffer_size); le32_to_cpus(&desc->buffer); le32_to_cpus(&desc->next); } static int eth_can_receive(VLANClientState *nc) { return 1; } static ssize_t eth_receive(VLANClientState *nc, const uint8_t *buf, size_t size) { mv88w8618_eth_state *s = DO_UPCAST(NICState, nc, nc)->opaque; uint32_t desc_addr; mv88w8618_rx_desc desc; int i; for (i = 0; i < 4; i++) { desc_addr = s->cur_rx[i]; if (!desc_addr) { continue; } do { eth_rx_desc_get(desc_addr, &desc); if ((desc.cmdstat & MP_ETH_RX_OWN) && desc.buffer_size >= size) { cpu_physical_memory_write(desc.buffer + s->vlan_header, buf, size); desc.bytes = size + s->vlan_header; desc.cmdstat &= ~MP_ETH_RX_OWN; s->cur_rx[i] = desc.next; s->icr |= MP_ETH_IRQ_RX; if (s->icr & s->imr) { qemu_irq_raise(s->irq); } eth_rx_desc_put(desc_addr, &desc); return size; } desc_addr = desc.next; } while (desc_addr != s->rx_queue[i]); } return size; } static void eth_tx_desc_put(uint32_t addr, mv88w8618_tx_desc *desc) { cpu_to_le32s(&desc->cmdstat); cpu_to_le16s(&desc->res); cpu_to_le16s(&desc->bytes); cpu_to_le32s(&desc->buffer); cpu_to_le32s(&desc->next); cpu_physical_memory_write(addr, (void *)desc, sizeof(*desc)); } static void eth_tx_desc_get(uint32_t addr, mv88w8618_tx_desc *desc) { cpu_physical_memory_read(addr, (void *)desc, sizeof(*desc)); le32_to_cpus(&desc->cmdstat); le16_to_cpus(&desc->res); le16_to_cpus(&desc->bytes); le32_to_cpus(&desc->buffer); le32_to_cpus(&desc->next); } static void eth_send(mv88w8618_eth_state *s, int queue_index) { uint32_t desc_addr = s->tx_queue[queue_index]; mv88w8618_tx_desc desc; uint32_t next_desc; uint8_t buf[2048]; int len; do { eth_tx_desc_get(desc_addr, &desc); next_desc = desc.next; if (desc.cmdstat & MP_ETH_TX_OWN) { len = desc.bytes; if (len < 2048) { cpu_physical_memory_read(desc.buffer, buf, len); qemu_send_packet(&s->nic->nc, buf, len); } desc.cmdstat &= ~MP_ETH_TX_OWN; s->icr |= 1 << (MP_ETH_IRQ_TXLO_BIT - queue_index); eth_tx_desc_put(desc_addr, &desc); } desc_addr = next_desc; } while (desc_addr != s->tx_queue[queue_index]); } static uint64_t mv88w8618_eth_read(void *opaque, target_phys_addr_t offset, unsigned size) { mv88w8618_eth_state *s = opaque; switch (offset) { case MP_ETH_SMIR: if (s->smir & MP_ETH_SMIR_OPCODE) { switch (s->smir & MP_ETH_SMIR_ADDR) { case MP_ETH_PHY1_BMSR: return MP_PHY_BMSR_LINK | MP_PHY_BMSR_AUTONEG | MP_ETH_SMIR_RDVALID; case MP_ETH_PHY1_PHYSID1: return (MP_PHY_88E3015 >> 16) | MP_ETH_SMIR_RDVALID; case MP_ETH_PHY1_PHYSID2: return (MP_PHY_88E3015 & 0xFFFF) | MP_ETH_SMIR_RDVALID; default: return MP_ETH_SMIR_RDVALID; } } return 0; case MP_ETH_ICR: return s->icr; case MP_ETH_IMR: return s->imr; case MP_ETH_FRDP0 ... MP_ETH_FRDP3: return s->frx_queue[(offset - MP_ETH_FRDP0)/4]; case MP_ETH_CRDP0 ... MP_ETH_CRDP3: return s->rx_queue[(offset - MP_ETH_CRDP0)/4]; case MP_ETH_CTDP0 ... MP_ETH_CTDP3: return s->tx_queue[(offset - MP_ETH_CTDP0)/4]; default: return 0; } } static void mv88w8618_eth_write(void *opaque, target_phys_addr_t offset, uint64_t value, unsigned size) { mv88w8618_eth_state *s = opaque; switch (offset) { case MP_ETH_SMIR: s->smir = value; break; case MP_ETH_PCXR: s->vlan_header = ((value >> MP_ETH_PCXR_2BSM_BIT) & 1) * 2; break; case MP_ETH_SDCMR: if (value & MP_ETH_CMD_TXHI) { eth_send(s, 1); } if (value & MP_ETH_CMD_TXLO) { eth_send(s, 0); } if (value & (MP_ETH_CMD_TXHI | MP_ETH_CMD_TXLO) && s->icr & s->imr) { qemu_irq_raise(s->irq); } break; case MP_ETH_ICR: s->icr &= value; break; case MP_ETH_IMR: s->imr = value; if (s->icr & s->imr) { qemu_irq_raise(s->irq); } break; case MP_ETH_FRDP0 ... MP_ETH_FRDP3: s->frx_queue[(offset - MP_ETH_FRDP0)/4] = value; break; case MP_ETH_CRDP0 ... MP_ETH_CRDP3: s->rx_queue[(offset - MP_ETH_CRDP0)/4] = s->cur_rx[(offset - MP_ETH_CRDP0)/4] = value; break; case MP_ETH_CTDP0 ... MP_ETH_CTDP3: s->tx_queue[(offset - MP_ETH_CTDP0)/4] = value; break; } } static const MemoryRegionOps mv88w8618_eth_ops = { .read = mv88w8618_eth_read, .write = mv88w8618_eth_write, .endianness = DEVICE_NATIVE_ENDIAN, }; static void eth_cleanup(VLANClientState *nc) { mv88w8618_eth_state *s = DO_UPCAST(NICState, nc, nc)->opaque; s->nic = NULL; } static NetClientInfo net_mv88w8618_info = { .type = NET_CLIENT_TYPE_NIC, .size = sizeof(NICState), .can_receive = eth_can_receive, .receive = eth_receive, .cleanup = eth_cleanup, }; static int mv88w8618_eth_init(SysBusDevice *dev) { mv88w8618_eth_state *s = FROM_SYSBUS(mv88w8618_eth_state, dev); sysbus_init_irq(dev, &s->irq); s->nic = qemu_new_nic(&net_mv88w8618_info, &s->conf, dev->qdev.info->name, dev->qdev.id, s); memory_region_init_io(&s->iomem, &mv88w8618_eth_ops, s, "mv88w8618-eth", MP_ETH_SIZE); sysbus_init_mmio(dev, &s->iomem); return 0; } static const VMStateDescription mv88w8618_eth_vmsd = { .name = "mv88w8618_eth", .version_id = 1, .minimum_version_id = 1, .minimum_version_id_old = 1, .fields = (VMStateField[]) { VMSTATE_UINT32(smir, mv88w8618_eth_state), VMSTATE_UINT32(icr, mv88w8618_eth_state), VMSTATE_UINT32(imr, mv88w8618_eth_state), VMSTATE_UINT32(vlan_header, mv88w8618_eth_state), VMSTATE_UINT32_ARRAY(tx_queue, mv88w8618_eth_state, 2), VMSTATE_UINT32_ARRAY(rx_queue, mv88w8618_eth_state, 4), VMSTATE_UINT32_ARRAY(frx_queue, mv88w8618_eth_state, 4), VMSTATE_UINT32_ARRAY(cur_rx, mv88w8618_eth_state, 4), VMSTATE_END_OF_LIST() } }; static SysBusDeviceInfo mv88w8618_eth_info = { .init = mv88w8618_eth_init, .qdev.name = "mv88w8618_eth", .qdev.size = sizeof(mv88w8618_eth_state), .qdev.vmsd = &mv88w8618_eth_vmsd, .qdev.props = (Property[]) { DEFINE_NIC_PROPERTIES(mv88w8618_eth_state, conf), DEFINE_PROP_END_OF_LIST(), }, }; /* LCD register offsets */ #define MP_LCD_IRQCTRL 0x180 #define MP_LCD_IRQSTAT 0x184 #define MP_LCD_SPICTRL 0x1ac #define MP_LCD_INST 0x1bc #define MP_LCD_DATA 0x1c0 /* Mode magics */ #define MP_LCD_SPI_DATA 0x00100011 #define MP_LCD_SPI_CMD 0x00104011 #define MP_LCD_SPI_INVALID 0x00000000 /* Commmands */ #define MP_LCD_INST_SETPAGE0 0xB0 /* ... */ #define MP_LCD_INST_SETPAGE7 0xB7 #define MP_LCD_TEXTCOLOR 0xe0e0ff /* RRGGBB */ typedef struct musicpal_lcd_state { SysBusDevice busdev; MemoryRegion iomem; uint32_t brightness; uint32_t mode; uint32_t irqctrl; uint32_t page; uint32_t page_off; DisplayState *ds; uint8_t video_ram[128*64/8]; } musicpal_lcd_state; static uint8_t scale_lcd_color(musicpal_lcd_state *s, uint8_t col) { switch (s->brightness) { case 7: return col; case 0: return 0; default: return (col * s->brightness) / 7; } } #define SET_LCD_PIXEL(depth, type) \ static inline void glue(set_lcd_pixel, depth) \ (musicpal_lcd_state *s, int x, int y, type col) \ { \ int dx, dy; \ type *pixel = &((type *) ds_get_data(s->ds))[(y * 128 * 3 + x) * 3]; \ \ for (dy = 0; dy < 3; dy++, pixel += 127 * 3) \ for (dx = 0; dx < 3; dx++, pixel++) \ *pixel = col; \ } SET_LCD_PIXEL(8, uint8_t) SET_LCD_PIXEL(16, uint16_t) SET_LCD_PIXEL(32, uint32_t) #include "pixel_ops.h" static void lcd_refresh(void *opaque) { musicpal_lcd_state *s = opaque; int x, y, col; switch (ds_get_bits_per_pixel(s->ds)) { case 0: return; #define LCD_REFRESH(depth, func) \ case depth: \ col = func(scale_lcd_color(s, (MP_LCD_TEXTCOLOR >> 16) & 0xff), \ scale_lcd_color(s, (MP_LCD_TEXTCOLOR >> 8) & 0xff), \ scale_lcd_color(s, MP_LCD_TEXTCOLOR & 0xff)); \ for (x = 0; x < 128; x++) { \ for (y = 0; y < 64; y++) { \ if (s->video_ram[x + (y/8)*128] & (1 << (y % 8))) { \ glue(set_lcd_pixel, depth)(s, x, y, col); \ } else { \ glue(set_lcd_pixel, depth)(s, x, y, 0); \ } \ } \ } \ break; LCD_REFRESH(8, rgb_to_pixel8) LCD_REFRESH(16, rgb_to_pixel16) LCD_REFRESH(32, (is_surface_bgr(s->ds->surface) ? rgb_to_pixel32bgr : rgb_to_pixel32)) default: hw_error("unsupported colour depth %i\n", ds_get_bits_per_pixel(s->ds)); } dpy_update(s->ds, 0, 0, 128*3, 64*3); } static void lcd_invalidate(void *opaque) { } static void musicpal_lcd_gpio_brigthness_in(void *opaque, int irq, int level) { musicpal_lcd_state *s = opaque; s->brightness &= ~(1 << irq); s->brightness |= level << irq; } static uint64_t musicpal_lcd_read(void *opaque, target_phys_addr_t offset, unsigned size) { musicpal_lcd_state *s = opaque; switch (offset) { case MP_LCD_IRQCTRL: return s->irqctrl; default: return 0; } } static void musicpal_lcd_write(void *opaque, target_phys_addr_t offset, uint64_t value, unsigned size) { musicpal_lcd_state *s = opaque; switch (offset) { case MP_LCD_IRQCTRL: s->irqctrl = value; break; case MP_LCD_SPICTRL: if (value == MP_LCD_SPI_DATA || value == MP_LCD_SPI_CMD) { s->mode = value; } else { s->mode = MP_LCD_SPI_INVALID; } break; case MP_LCD_INST: if (value >= MP_LCD_INST_SETPAGE0 && value <= MP_LCD_INST_SETPAGE7) { s->page = value - MP_LCD_INST_SETPAGE0; s->page_off = 0; } break; case MP_LCD_DATA: if (s->mode == MP_LCD_SPI_CMD) { if (value >= MP_LCD_INST_SETPAGE0 && value <= MP_LCD_INST_SETPAGE7) { s->page = value - MP_LCD_INST_SETPAGE0; s->page_off = 0; } } else if (s->mode == MP_LCD_SPI_DATA) { s->video_ram[s->page*128 + s->page_off] = value; s->page_off = (s->page_off + 1) & 127; } break; } } static const MemoryRegionOps musicpal_lcd_ops = { .read = musicpal_lcd_read, .write = musicpal_lcd_write, .endianness = DEVICE_NATIVE_ENDIAN, }; static int musicpal_lcd_init(SysBusDevice *dev) { musicpal_lcd_state *s = FROM_SYSBUS(musicpal_lcd_state, dev); s->brightness = 7; memory_region_init_io(&s->iomem, &musicpal_lcd_ops, s, "musicpal-lcd", MP_LCD_SIZE); sysbus_init_mmio(dev, &s->iomem); s->ds = graphic_console_init(lcd_refresh, lcd_invalidate, NULL, NULL, s); qemu_console_resize(s->ds, 128*3, 64*3); qdev_init_gpio_in(&dev->qdev, musicpal_lcd_gpio_brigthness_in, 3); return 0; } static const VMStateDescription musicpal_lcd_vmsd = { .name = "musicpal_lcd", .version_id = 1, .minimum_version_id = 1, .minimum_version_id_old = 1, .fields = (VMStateField[]) { VMSTATE_UINT32(brightness, musicpal_lcd_state), VMSTATE_UINT32(mode, musicpal_lcd_state), VMSTATE_UINT32(irqctrl, musicpal_lcd_state), VMSTATE_UINT32(page, musicpal_lcd_state), VMSTATE_UINT32(page_off, musicpal_lcd_state), VMSTATE_BUFFER(video_ram, musicpal_lcd_state), VMSTATE_END_OF_LIST() } }; static SysBusDeviceInfo musicpal_lcd_info = { .init = musicpal_lcd_init, .qdev.name = "musicpal_lcd", .qdev.size = sizeof(musicpal_lcd_state), .qdev.vmsd = &musicpal_lcd_vmsd, }; /* PIC register offsets */ #define MP_PIC_STATUS 0x00 #define MP_PIC_ENABLE_SET 0x08 #define MP_PIC_ENABLE_CLR 0x0C typedef struct mv88w8618_pic_state { SysBusDevice busdev; MemoryRegion iomem; uint32_t level; uint32_t enabled; qemu_irq parent_irq; } mv88w8618_pic_state; static void mv88w8618_pic_update(mv88w8618_pic_state *s) { qemu_set_irq(s->parent_irq, (s->level & s->enabled)); } static void mv88w8618_pic_set_irq(void *opaque, int irq, int level) { mv88w8618_pic_state *s = opaque; if (level) { s->level |= 1 << irq; } else { s->level &= ~(1 << irq); } mv88w8618_pic_update(s); } static uint64_t mv88w8618_pic_read(void *opaque, target_phys_addr_t offset, unsigned size) { mv88w8618_pic_state *s = opaque; switch (offset) { case MP_PIC_STATUS: return s->level & s->enabled; default: return 0; } } static void mv88w8618_pic_write(void *opaque, target_phys_addr_t offset, uint64_t value, unsigned size) { mv88w8618_pic_state *s = opaque; switch (offset) { case MP_PIC_ENABLE_SET: s->enabled |= value; break; case MP_PIC_ENABLE_CLR: s->enabled &= ~value; s->level &= ~value; break; } mv88w8618_pic_update(s); } static void mv88w8618_pic_reset(DeviceState *d) { mv88w8618_pic_state *s = FROM_SYSBUS(mv88w8618_pic_state, sysbus_from_qdev(d)); s->level = 0; s->enabled = 0; } static const MemoryRegionOps mv88w8618_pic_ops = { .read = mv88w8618_pic_read, .write = mv88w8618_pic_write, .endianness = DEVICE_NATIVE_ENDIAN, }; static int mv88w8618_pic_init(SysBusDevice *dev) { mv88w8618_pic_state *s = FROM_SYSBUS(mv88w8618_pic_state, dev); qdev_init_gpio_in(&dev->qdev, mv88w8618_pic_set_irq, 32); sysbus_init_irq(dev, &s->parent_irq); memory_region_init_io(&s->iomem, &mv88w8618_pic_ops, s, "musicpal-pic", MP_PIC_SIZE); sysbus_init_mmio(dev, &s->iomem); return 0; } static const VMStateDescription mv88w8618_pic_vmsd = { .name = "mv88w8618_pic", .version_id = 1, .minimum_version_id = 1, .minimum_version_id_old = 1, .fields = (VMStateField[]) { VMSTATE_UINT32(level, mv88w8618_pic_state), VMSTATE_UINT32(enabled, mv88w8618_pic_state), VMSTATE_END_OF_LIST() } }; static SysBusDeviceInfo mv88w8618_pic_info = { .init = mv88w8618_pic_init, .qdev.name = "mv88w8618_pic", .qdev.size = sizeof(mv88w8618_pic_state), .qdev.reset = mv88w8618_pic_reset, .qdev.vmsd = &mv88w8618_pic_vmsd, }; /* PIT register offsets */ #define MP_PIT_TIMER1_LENGTH 0x00 /* ... */ #define MP_PIT_TIMER4_LENGTH 0x0C #define MP_PIT_CONTROL 0x10 #define MP_PIT_TIMER1_VALUE 0x14 /* ... */ #define MP_PIT_TIMER4_VALUE 0x20 #define MP_BOARD_RESET 0x34 /* Magic board reset value (probably some watchdog behind it) */ #define MP_BOARD_RESET_MAGIC 0x10000 typedef struct mv88w8618_timer_state { ptimer_state *ptimer; uint32_t limit; int freq; qemu_irq irq; } mv88w8618_timer_state; typedef struct mv88w8618_pit_state { SysBusDevice busdev; MemoryRegion iomem; mv88w8618_timer_state timer[4]; } mv88w8618_pit_state; static void mv88w8618_timer_tick(void *opaque) { mv88w8618_timer_state *s = opaque; qemu_irq_raise(s->irq); } static void mv88w8618_timer_init(SysBusDevice *dev, mv88w8618_timer_state *s, uint32_t freq) { QEMUBH *bh; sysbus_init_irq(dev, &s->irq); s->freq = freq; bh = qemu_bh_new(mv88w8618_timer_tick, s); s->ptimer = ptimer_init(bh); } static uint64_t mv88w8618_pit_read(void *opaque, target_phys_addr_t offset, unsigned size) { mv88w8618_pit_state *s = opaque; mv88w8618_timer_state *t; switch (offset) { case MP_PIT_TIMER1_VALUE ... MP_PIT_TIMER4_VALUE: t = &s->timer[(offset-MP_PIT_TIMER1_VALUE) >> 2]; return ptimer_get_count(t->ptimer); default: return 0; } } static void mv88w8618_pit_write(void *opaque, target_phys_addr_t offset, uint64_t value, unsigned size) { mv88w8618_pit_state *s = opaque; mv88w8618_timer_state *t; int i; switch (offset) { case MP_PIT_TIMER1_LENGTH ... MP_PIT_TIMER4_LENGTH: t = &s->timer[offset >> 2]; t->limit = value; if (t->limit > 0) { ptimer_set_limit(t->ptimer, t->limit, 1); } else { ptimer_stop(t->ptimer); } break; case MP_PIT_CONTROL: for (i = 0; i < 4; i++) { t = &s->timer[i]; if (value & 0xf && t->limit > 0) { ptimer_set_limit(t->ptimer, t->limit, 0); ptimer_set_freq(t->ptimer, t->freq); ptimer_run(t->ptimer, 0); } else { ptimer_stop(t->ptimer); } value >>= 4; } break; case MP_BOARD_RESET: if (value == MP_BOARD_RESET_MAGIC) { qemu_system_reset_request(); } break; } } static void mv88w8618_pit_reset(DeviceState *d) { mv88w8618_pit_state *s = FROM_SYSBUS(mv88w8618_pit_state, sysbus_from_qdev(d)); int i; for (i = 0; i < 4; i++) { ptimer_stop(s->timer[i].ptimer); s->timer[i].limit = 0; } } static const MemoryRegionOps mv88w8618_pit_ops = { .read = mv88w8618_pit_read, .write = mv88w8618_pit_write, .endianness = DEVICE_NATIVE_ENDIAN, }; static int mv88w8618_pit_init(SysBusDevice *dev) { mv88w8618_pit_state *s = FROM_SYSBUS(mv88w8618_pit_state, dev); int i; /* Letting them all run at 1 MHz is likely just a pragmatic * simplification. */ for (i = 0; i < 4; i++) { mv88w8618_timer_init(dev, &s->timer[i], 1000000); } memory_region_init_io(&s->iomem, &mv88w8618_pit_ops, s, "musicpal-pit", MP_PIT_SIZE); sysbus_init_mmio(dev, &s->iomem); return 0; } static const VMStateDescription mv88w8618_timer_vmsd = { .name = "timer", .version_id = 1, .minimum_version_id = 1, .minimum_version_id_old = 1, .fields = (VMStateField[]) { VMSTATE_PTIMER(ptimer, mv88w8618_timer_state), VMSTATE_UINT32(limit, mv88w8618_timer_state), VMSTATE_END_OF_LIST() } }; static const VMStateDescription mv88w8618_pit_vmsd = { .name = "mv88w8618_pit", .version_id = 1, .minimum_version_id = 1, .minimum_version_id_old = 1, .fields = (VMStateField[]) { VMSTATE_STRUCT_ARRAY(timer, mv88w8618_pit_state, 4, 1, mv88w8618_timer_vmsd, mv88w8618_timer_state), VMSTATE_END_OF_LIST() } }; static SysBusDeviceInfo mv88w8618_pit_info = { .init = mv88w8618_pit_init, .qdev.name = "mv88w8618_pit", .qdev.size = sizeof(mv88w8618_pit_state), .qdev.reset = mv88w8618_pit_reset, .qdev.vmsd = &mv88w8618_pit_vmsd, }; /* Flash config register offsets */ #define MP_FLASHCFG_CFGR0 0x04 typedef struct mv88w8618_flashcfg_state { SysBusDevice busdev; MemoryRegion iomem; uint32_t cfgr0; } mv88w8618_flashcfg_state; static uint64_t mv88w8618_flashcfg_read(void *opaque, target_phys_addr_t offset, unsigned size) { mv88w8618_flashcfg_state *s = opaque; switch (offset) { case MP_FLASHCFG_CFGR0: return s->cfgr0; default: return 0; } } static void mv88w8618_flashcfg_write(void *opaque, target_phys_addr_t offset, uint64_t value, unsigned size) { mv88w8618_flashcfg_state *s = opaque; switch (offset) { case MP_FLASHCFG_CFGR0: s->cfgr0 = value; break; } } static const MemoryRegionOps mv88w8618_flashcfg_ops = { .read = mv88w8618_flashcfg_read, .write = mv88w8618_flashcfg_write, .endianness = DEVICE_NATIVE_ENDIAN, }; static int mv88w8618_flashcfg_init(SysBusDevice *dev) { mv88w8618_flashcfg_state *s = FROM_SYSBUS(mv88w8618_flashcfg_state, dev); s->cfgr0 = 0xfffe4285; /* Default as set by U-Boot for 8 MB flash */ memory_region_init_io(&s->iomem, &mv88w8618_flashcfg_ops, s, "musicpal-flashcfg", MP_FLASHCFG_SIZE); sysbus_init_mmio(dev, &s->iomem); return 0; } static const VMStateDescription mv88w8618_flashcfg_vmsd = { .name = "mv88w8618_flashcfg", .version_id = 1, .minimum_version_id = 1, .minimum_version_id_old = 1, .fields = (VMStateField[]) { VMSTATE_UINT32(cfgr0, mv88w8618_flashcfg_state), VMSTATE_END_OF_LIST() } }; static SysBusDeviceInfo mv88w8618_flashcfg_info = { .init = mv88w8618_flashcfg_init, .qdev.name = "mv88w8618_flashcfg", .qdev.size = sizeof(mv88w8618_flashcfg_state), .qdev.vmsd = &mv88w8618_flashcfg_vmsd, }; /* Misc register offsets */ #define MP_MISC_BOARD_REVISION 0x18 #define MP_BOARD_REVISION 0x31 static uint64_t musicpal_misc_read(void *opaque, target_phys_addr_t offset, unsigned size) { switch (offset) { case MP_MISC_BOARD_REVISION: return MP_BOARD_REVISION; default: return 0; } } static void musicpal_misc_write(void *opaque, target_phys_addr_t offset, uint64_t value, unsigned size) { } static const MemoryRegionOps musicpal_misc_ops = { .read = musicpal_misc_read, .write = musicpal_misc_write, .endianness = DEVICE_NATIVE_ENDIAN, }; static void musicpal_misc_init(SysBusDevice *dev) { MemoryRegion *iomem = g_new(MemoryRegion, 1); memory_region_init_io(iomem, &musicpal_misc_ops, NULL, "musicpal-misc", MP_MISC_SIZE); sysbus_add_memory(dev, MP_MISC_BASE, iomem); } /* WLAN register offsets */ #define MP_WLAN_MAGIC1 0x11c #define MP_WLAN_MAGIC2 0x124 static uint64_t mv88w8618_wlan_read(void *opaque, target_phys_addr_t offset, unsigned size) { switch (offset) { /* Workaround to allow loading the binary-only wlandrv.ko crap * from the original Freecom firmware. */ case MP_WLAN_MAGIC1: return ~3; case MP_WLAN_MAGIC2: return -1; default: return 0; } } static void mv88w8618_wlan_write(void *opaque, target_phys_addr_t offset, uint64_t value, unsigned size) { } static const MemoryRegionOps mv88w8618_wlan_ops = { .read = mv88w8618_wlan_read, .write =mv88w8618_wlan_write, .endianness = DEVICE_NATIVE_ENDIAN, }; static int mv88w8618_wlan_init(SysBusDevice *dev) { MemoryRegion *iomem = g_new(MemoryRegion, 1); memory_region_init_io(iomem, &mv88w8618_wlan_ops, NULL, "musicpal-wlan", MP_WLAN_SIZE); sysbus_init_mmio(dev, iomem); return 0; } /* GPIO register offsets */ #define MP_GPIO_OE_LO 0x008 #define MP_GPIO_OUT_LO 0x00c #define MP_GPIO_IN_LO 0x010 #define MP_GPIO_IER_LO 0x014 #define MP_GPIO_IMR_LO 0x018 #define MP_GPIO_ISR_LO 0x020 #define MP_GPIO_OE_HI 0x508 #define MP_GPIO_OUT_HI 0x50c #define MP_GPIO_IN_HI 0x510 #define MP_GPIO_IER_HI 0x514 #define MP_GPIO_IMR_HI 0x518 #define MP_GPIO_ISR_HI 0x520 /* GPIO bits & masks */ #define MP_GPIO_LCD_BRIGHTNESS 0x00070000 #define MP_GPIO_I2C_DATA_BIT 29 #define MP_GPIO_I2C_CLOCK_BIT 30 /* LCD brightness bits in GPIO_OE_HI */ #define MP_OE_LCD_BRIGHTNESS 0x0007 typedef struct musicpal_gpio_state { SysBusDevice busdev; MemoryRegion iomem; uint32_t lcd_brightness; uint32_t out_state; uint32_t in_state; uint32_t ier; uint32_t imr; uint32_t isr; qemu_irq irq; qemu_irq out[5]; /* 3 brightness out + 2 lcd (data and clock ) */ } musicpal_gpio_state; static void musicpal_gpio_brightness_update(musicpal_gpio_state *s) { int i; uint32_t brightness; /* compute brightness ratio */ switch (s->lcd_brightness) { case 0x00000007: brightness = 0; break; case 0x00020000: brightness = 1; break; case 0x00020001: brightness = 2; break; case 0x00040000: brightness = 3; break; case 0x00010006: brightness = 4; break; case 0x00020005: brightness = 5; break; case 0x00040003: brightness = 6; break; case 0x00030004: default: brightness = 7; } /* set lcd brightness GPIOs */ for (i = 0; i <= 2; i++) { qemu_set_irq(s->out[i], (brightness >> i) & 1); } } static void musicpal_gpio_pin_event(void *opaque, int pin, int level) { musicpal_gpio_state *s = opaque; uint32_t mask = 1 << pin; uint32_t delta = level << pin; uint32_t old = s->in_state & mask; s->in_state &= ~mask; s->in_state |= delta; if ((old ^ delta) && ((level && (s->imr & mask)) || (!level && (s->ier & mask)))) { s->isr = mask; qemu_irq_raise(s->irq); } } static uint64_t musicpal_gpio_read(void *opaque, target_phys_addr_t offset, unsigned size) { musicpal_gpio_state *s = opaque; switch (offset) { case MP_GPIO_OE_HI: /* used for LCD brightness control */ return s->lcd_brightness & MP_OE_LCD_BRIGHTNESS; case MP_GPIO_OUT_LO: return s->out_state & 0xFFFF; case MP_GPIO_OUT_HI: return s->out_state >> 16; case MP_GPIO_IN_LO: return s->in_state & 0xFFFF; case MP_GPIO_IN_HI: return s->in_state >> 16; case MP_GPIO_IER_LO: return s->ier & 0xFFFF; case MP_GPIO_IER_HI: return s->ier >> 16; case MP_GPIO_IMR_LO: return s->imr & 0xFFFF; case MP_GPIO_IMR_HI: return s->imr >> 16; case MP_GPIO_ISR_LO: return s->isr & 0xFFFF; case MP_GPIO_ISR_HI: return s->isr >> 16; default: return 0; } } static void musicpal_gpio_write(void *opaque, target_phys_addr_t offset, uint64_t value, unsigned size) { musicpal_gpio_state *s = opaque; switch (offset) { case MP_GPIO_OE_HI: /* used for LCD brightness control */ s->lcd_brightness = (s->lcd_brightness & MP_GPIO_LCD_BRIGHTNESS) | (value & MP_OE_LCD_BRIGHTNESS); musicpal_gpio_brightness_update(s); break; case MP_GPIO_OUT_LO: s->out_state = (s->out_state & 0xFFFF0000) | (value & 0xFFFF); break; case MP_GPIO_OUT_HI: s->out_state = (s->out_state & 0xFFFF) | (value << 16); s->lcd_brightness = (s->lcd_brightness & 0xFFFF) | (s->out_state & MP_GPIO_LCD_BRIGHTNESS); musicpal_gpio_brightness_update(s); qemu_set_irq(s->out[3], (s->out_state >> MP_GPIO_I2C_DATA_BIT) & 1); qemu_set_irq(s->out[4], (s->out_state >> MP_GPIO_I2C_CLOCK_BIT) & 1); break; case MP_GPIO_IER_LO: s->ier = (s->ier & 0xFFFF0000) | (value & 0xFFFF); break; case MP_GPIO_IER_HI: s->ier = (s->ier & 0xFFFF) | (value << 16); break; case MP_GPIO_IMR_LO: s->imr = (s->imr & 0xFFFF0000) | (value & 0xFFFF); break; case MP_GPIO_IMR_HI: s->imr = (s->imr & 0xFFFF) | (value << 16); break; } } static const MemoryRegionOps musicpal_gpio_ops = { .read = musicpal_gpio_read, .write = musicpal_gpio_write, .endianness = DEVICE_NATIVE_ENDIAN, }; static void musicpal_gpio_reset(DeviceState *d) { musicpal_gpio_state *s = FROM_SYSBUS(musicpal_gpio_state, sysbus_from_qdev(d)); s->lcd_brightness = 0; s->out_state = 0; s->in_state = 0xffffffff; s->ier = 0; s->imr = 0; s->isr = 0; } static int musicpal_gpio_init(SysBusDevice *dev) { musicpal_gpio_state *s = FROM_SYSBUS(musicpal_gpio_state, dev); sysbus_init_irq(dev, &s->irq); memory_region_init_io(&s->iomem, &musicpal_gpio_ops, s, "musicpal-gpio", MP_GPIO_SIZE); sysbus_init_mmio(dev, &s->iomem); qdev_init_gpio_out(&dev->qdev, s->out, ARRAY_SIZE(s->out)); qdev_init_gpio_in(&dev->qdev, musicpal_gpio_pin_event, 32); return 0; } static const VMStateDescription musicpal_gpio_vmsd = { .name = "musicpal_gpio", .version_id = 1, .minimum_version_id = 1, .minimum_version_id_old = 1, .fields = (VMStateField[]) { VMSTATE_UINT32(lcd_brightness, musicpal_gpio_state), VMSTATE_UINT32(out_state, musicpal_gpio_state), VMSTATE_UINT32(in_state, musicpal_gpio_state), VMSTATE_UINT32(ier, musicpal_gpio_state), VMSTATE_UINT32(imr, musicpal_gpio_state), VMSTATE_UINT32(isr, musicpal_gpio_state), VMSTATE_END_OF_LIST() } }; static SysBusDeviceInfo musicpal_gpio_info = { .init = musicpal_gpio_init, .qdev.name = "musicpal_gpio", .qdev.size = sizeof(musicpal_gpio_state), .qdev.reset = musicpal_gpio_reset, .qdev.vmsd = &musicpal_gpio_vmsd, }; /* Keyboard codes & masks */ #define KEY_RELEASED 0x80 #define KEY_CODE 0x7f #define KEYCODE_TAB 0x0f #define KEYCODE_ENTER 0x1c #define KEYCODE_F 0x21 #define KEYCODE_M 0x32 #define KEYCODE_EXTENDED 0xe0 #define KEYCODE_UP 0x48 #define KEYCODE_DOWN 0x50 #define KEYCODE_LEFT 0x4b #define KEYCODE_RIGHT 0x4d #define MP_KEY_WHEEL_VOL (1 << 0) #define MP_KEY_WHEEL_VOL_INV (1 << 1) #define MP_KEY_WHEEL_NAV (1 << 2) #define MP_KEY_WHEEL_NAV_INV (1 << 3) #define MP_KEY_BTN_FAVORITS (1 << 4) #define MP_KEY_BTN_MENU (1 << 5) #define MP_KEY_BTN_VOLUME (1 << 6) #define MP_KEY_BTN_NAVIGATION (1 << 7) typedef struct musicpal_key_state { SysBusDevice busdev; MemoryRegion iomem; uint32_t kbd_extended; uint32_t pressed_keys; qemu_irq out[8]; } musicpal_key_state; static void musicpal_key_event(void *opaque, int keycode) { musicpal_key_state *s = opaque; uint32_t event = 0; int i; if (keycode == KEYCODE_EXTENDED) { s->kbd_extended = 1; return; } if (s->kbd_extended) { switch (keycode & KEY_CODE) { case KEYCODE_UP: event = MP_KEY_WHEEL_NAV | MP_KEY_WHEEL_NAV_INV; break; case KEYCODE_DOWN: event = MP_KEY_WHEEL_NAV; break; case KEYCODE_LEFT: event = MP_KEY_WHEEL_VOL | MP_KEY_WHEEL_VOL_INV; break; case KEYCODE_RIGHT: event = MP_KEY_WHEEL_VOL; break; } } else { switch (keycode & KEY_CODE) { case KEYCODE_F: event = MP_KEY_BTN_FAVORITS; break; case KEYCODE_TAB: event = MP_KEY_BTN_VOLUME; break; case KEYCODE_ENTER: event = MP_KEY_BTN_NAVIGATION; break; case KEYCODE_M: event = MP_KEY_BTN_MENU; break; } /* Do not repeat already pressed buttons */ if (!(keycode & KEY_RELEASED) && (s->pressed_keys & event)) { event = 0; } } if (event) { /* Raise GPIO pin first if repeating a key */ if (!(keycode & KEY_RELEASED) && (s->pressed_keys & event)) { for (i = 0; i <= 7; i++) { if (event & (1 << i)) { qemu_set_irq(s->out[i], 1); } } } for (i = 0; i <= 7; i++) { if (event & (1 << i)) { qemu_set_irq(s->out[i], !!(keycode & KEY_RELEASED)); } } if (keycode & KEY_RELEASED) { s->pressed_keys &= ~event; } else { s->pressed_keys |= event; } } s->kbd_extended = 0; } static int musicpal_key_init(SysBusDevice *dev) { musicpal_key_state *s = FROM_SYSBUS(musicpal_key_state, dev); memory_region_init(&s->iomem, "dummy", 0); sysbus_init_mmio(dev, &s->iomem); s->kbd_extended = 0; s->pressed_keys = 0; qdev_init_gpio_out(&dev->qdev, s->out, ARRAY_SIZE(s->out)); qemu_add_kbd_event_handler(musicpal_key_event, s); return 0; } static const VMStateDescription musicpal_key_vmsd = { .name = "musicpal_key", .version_id = 1, .minimum_version_id = 1, .minimum_version_id_old = 1, .fields = (VMStateField[]) { VMSTATE_UINT32(kbd_extended, musicpal_key_state), VMSTATE_UINT32(pressed_keys, musicpal_key_state), VMSTATE_END_OF_LIST() } }; static SysBusDeviceInfo musicpal_key_info = { .init = musicpal_key_init, .qdev.name = "musicpal_key", .qdev.size = sizeof(musicpal_key_state), .qdev.vmsd = &musicpal_key_vmsd, }; static struct arm_boot_info musicpal_binfo = { .loader_start = 0x0, .board_id = 0x20e, }; static void musicpal_init(ram_addr_t ram_size, const char *boot_device, const char *kernel_filename, const char *kernel_cmdline, const char *initrd_filename, const char *cpu_model) { CPUState *env; qemu_irq *cpu_pic; qemu_irq pic[32]; DeviceState *dev; DeviceState *i2c_dev; DeviceState *lcd_dev; DeviceState *key_dev; DeviceState *wm8750_dev; SysBusDevice *s; i2c_bus *i2c; int i; unsigned long flash_size; DriveInfo *dinfo; MemoryRegion *address_space_mem = get_system_memory(); MemoryRegion *ram = g_new(MemoryRegion, 1); MemoryRegion *sram = g_new(MemoryRegion, 1); if (!cpu_model) { cpu_model = "arm926"; } env = cpu_init(cpu_model); if (!env) { fprintf(stderr, "Unable to find CPU definition\n"); exit(1); } cpu_pic = arm_pic_init_cpu(env); /* For now we use a fixed - the original - RAM size */ memory_region_init_ram(ram, "musicpal.ram", MP_RAM_DEFAULT_SIZE); vmstate_register_ram_global(ram); memory_region_add_subregion(address_space_mem, 0, ram); memory_region_init_ram(sram, "musicpal.sram", MP_SRAM_SIZE); vmstate_register_ram_global(sram); memory_region_add_subregion(address_space_mem, MP_SRAM_BASE, sram); dev = sysbus_create_simple("mv88w8618_pic", MP_PIC_BASE, cpu_pic[ARM_PIC_CPU_IRQ]); for (i = 0; i < 32; i++) { pic[i] = qdev_get_gpio_in(dev, i); } sysbus_create_varargs("mv88w8618_pit", MP_PIT_BASE, pic[MP_TIMER1_IRQ], pic[MP_TIMER2_IRQ], pic[MP_TIMER3_IRQ], pic[MP_TIMER4_IRQ], NULL); if (serial_hds[0]) { serial_mm_init(address_space_mem, MP_UART1_BASE, 2, pic[MP_UART1_IRQ], 1825000, serial_hds[0], DEVICE_NATIVE_ENDIAN); } if (serial_hds[1]) { serial_mm_init(address_space_mem, MP_UART2_BASE, 2, pic[MP_UART2_IRQ], 1825000, serial_hds[1], DEVICE_NATIVE_ENDIAN); } /* Register flash */ dinfo = drive_get(IF_PFLASH, 0, 0); if (dinfo) { flash_size = bdrv_getlength(dinfo->bdrv); if (flash_size != 8*1024*1024 && flash_size != 16*1024*1024 && flash_size != 32*1024*1024) { fprintf(stderr, "Invalid flash image size\n"); exit(1); } /* * The original U-Boot accesses the flash at 0xFE000000 instead of * 0xFF800000 (if there is 8 MB flash). So remap flash access if the * image is smaller than 32 MB. */ #ifdef TARGET_WORDS_BIGENDIAN pflash_cfi02_register(0-MP_FLASH_SIZE_MAX, NULL, "musicpal.flash", flash_size, dinfo->bdrv, 0x10000, (flash_size + 0xffff) >> 16, MP_FLASH_SIZE_MAX / flash_size, 2, 0x00BF, 0x236D, 0x0000, 0x0000, 0x5555, 0x2AAA, 1); #else pflash_cfi02_register(0-MP_FLASH_SIZE_MAX, NULL, "musicpal.flash", flash_size, dinfo->bdrv, 0x10000, (flash_size + 0xffff) >> 16, MP_FLASH_SIZE_MAX / flash_size, 2, 0x00BF, 0x236D, 0x0000, 0x0000, 0x5555, 0x2AAA, 0); #endif } sysbus_create_simple("mv88w8618_flashcfg", MP_FLASHCFG_BASE, NULL); qemu_check_nic_model(&nd_table[0], "mv88w8618"); dev = qdev_create(NULL, "mv88w8618_eth"); qdev_set_nic_properties(dev, &nd_table[0]); qdev_init_nofail(dev); sysbus_mmio_map(sysbus_from_qdev(dev), 0, MP_ETH_BASE); sysbus_connect_irq(sysbus_from_qdev(dev), 0, pic[MP_ETH_IRQ]); sysbus_create_simple("mv88w8618_wlan", MP_WLAN_BASE, NULL); musicpal_misc_init(sysbus_from_qdev(dev)); dev = sysbus_create_simple("musicpal_gpio", MP_GPIO_BASE, pic[MP_GPIO_IRQ]); i2c_dev = sysbus_create_simple("gpio_i2c", -1, NULL); i2c = (i2c_bus *)qdev_get_child_bus(i2c_dev, "i2c"); lcd_dev = sysbus_create_simple("musicpal_lcd", MP_LCD_BASE, NULL); key_dev = sysbus_create_simple("musicpal_key", -1, NULL); /* I2C read data */ qdev_connect_gpio_out(i2c_dev, 0, qdev_get_gpio_in(dev, MP_GPIO_I2C_DATA_BIT)); /* I2C data */ qdev_connect_gpio_out(dev, 3, qdev_get_gpio_in(i2c_dev, 0)); /* I2C clock */ qdev_connect_gpio_out(dev, 4, qdev_get_gpio_in(i2c_dev, 1)); for (i = 0; i < 3; i++) { qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(lcd_dev, i)); } for (i = 0; i < 4; i++) { qdev_connect_gpio_out(key_dev, i, qdev_get_gpio_in(dev, i + 8)); } for (i = 4; i < 8; i++) { qdev_connect_gpio_out(key_dev, i, qdev_get_gpio_in(dev, i + 15)); } wm8750_dev = i2c_create_slave(i2c, "wm8750", MP_WM_ADDR); dev = qdev_create(NULL, "mv88w8618_audio"); s = sysbus_from_qdev(dev); qdev_prop_set_ptr(dev, "wm8750", wm8750_dev); qdev_init_nofail(dev); sysbus_mmio_map(s, 0, MP_AUDIO_BASE); sysbus_connect_irq(s, 0, pic[MP_AUDIO_IRQ]); musicpal_binfo.ram_size = MP_RAM_DEFAULT_SIZE; musicpal_binfo.kernel_filename = kernel_filename; musicpal_binfo.kernel_cmdline = kernel_cmdline; musicpal_binfo.initrd_filename = initrd_filename; arm_load_kernel(env, &musicpal_binfo); } static QEMUMachine musicpal_machine = { .name = "musicpal", .desc = "Marvell 88w8618 / MusicPal (ARM926EJ-S)", .init = musicpal_init, }; static void musicpal_machine_init(void) { qemu_register_machine(&musicpal_machine); } machine_init(musicpal_machine_init); static void musicpal_register_devices(void) { sysbus_register_withprop(&mv88w8618_pic_info); sysbus_register_withprop(&mv88w8618_pit_info); sysbus_register_withprop(&mv88w8618_flashcfg_info); sysbus_register_withprop(&mv88w8618_eth_info); sysbus_register_dev("mv88w8618_wlan", sizeof(SysBusDevice), mv88w8618_wlan_init); sysbus_register_withprop(&musicpal_lcd_info); sysbus_register_withprop(&musicpal_gpio_info); sysbus_register_withprop(&musicpal_key_info); } device_init(musicpal_register_devices)