| /* |
| * Marvell MV88W8618 / Freecom MusicPal emulation. |
| * |
| * Copyright (c) 2008 Jan Kiszka |
| * |
| * This code is licenced 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" |
| |
| #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 0x34 |
| |
| /* 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; |
| 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; |
| uint8_t buf[2048]; |
| int len; |
| |
| if (!desc_addr) { |
| return; |
| } |
| do { |
| eth_tx_desc_get(desc_addr, &desc); |
| 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 = desc.next; |
| } while (desc_addr != s->tx_queue[queue_index]); |
| } |
| |
| static uint32_t mv88w8618_eth_read(void *opaque, target_phys_addr_t offset) |
| { |
| 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, |
| uint32_t value) |
| { |
| 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 CPUReadMemoryFunc * const mv88w8618_eth_readfn[] = { |
| mv88w8618_eth_read, |
| mv88w8618_eth_read, |
| mv88w8618_eth_read |
| }; |
| |
| static CPUWriteMemoryFunc * const mv88w8618_eth_writefn[] = { |
| mv88w8618_eth_write, |
| mv88w8618_eth_write, |
| mv88w8618_eth_write |
| }; |
| |
| 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); |
| s->mmio_index = cpu_register_io_memory(mv88w8618_eth_readfn, |
| mv88w8618_eth_writefn, s); |
| sysbus_init_mmio(dev, MP_ETH_SIZE, s->mmio_index); |
| 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; |
| 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 uint32_t musicpal_lcd_read(void *opaque, target_phys_addr_t offset) |
| { |
| 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, |
| uint32_t value) |
| { |
| 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 CPUReadMemoryFunc * const musicpal_lcd_readfn[] = { |
| musicpal_lcd_read, |
| musicpal_lcd_read, |
| musicpal_lcd_read |
| }; |
| |
| static CPUWriteMemoryFunc * const musicpal_lcd_writefn[] = { |
| musicpal_lcd_write, |
| musicpal_lcd_write, |
| musicpal_lcd_write |
| }; |
| |
| static int musicpal_lcd_init(SysBusDevice *dev) |
| { |
| musicpal_lcd_state *s = FROM_SYSBUS(musicpal_lcd_state, dev); |
| int iomemtype; |
| |
| s->brightness = 7; |
| |
| iomemtype = cpu_register_io_memory(musicpal_lcd_readfn, |
| musicpal_lcd_writefn, s); |
| sysbus_init_mmio(dev, MP_LCD_SIZE, iomemtype); |
| |
| 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; |
| 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 uint32_t mv88w8618_pic_read(void *opaque, target_phys_addr_t offset) |
| { |
| 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, |
| uint32_t value) |
| { |
| 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 CPUReadMemoryFunc * const mv88w8618_pic_readfn[] = { |
| mv88w8618_pic_read, |
| mv88w8618_pic_read, |
| mv88w8618_pic_read |
| }; |
| |
| static CPUWriteMemoryFunc * const mv88w8618_pic_writefn[] = { |
| mv88w8618_pic_write, |
| mv88w8618_pic_write, |
| mv88w8618_pic_write |
| }; |
| |
| static int mv88w8618_pic_init(SysBusDevice *dev) |
| { |
| mv88w8618_pic_state *s = FROM_SYSBUS(mv88w8618_pic_state, dev); |
| int iomemtype; |
| |
| qdev_init_gpio_in(&dev->qdev, mv88w8618_pic_set_irq, 32); |
| sysbus_init_irq(dev, &s->parent_irq); |
| iomemtype = cpu_register_io_memory(mv88w8618_pic_readfn, |
| mv88w8618_pic_writefn, s); |
| sysbus_init_mmio(dev, MP_PIC_SIZE, iomemtype); |
| 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; |
| 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 uint32_t mv88w8618_pit_read(void *opaque, target_phys_addr_t offset) |
| { |
| 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, |
| uint32_t value) |
| { |
| 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 CPUReadMemoryFunc * const mv88w8618_pit_readfn[] = { |
| mv88w8618_pit_read, |
| mv88w8618_pit_read, |
| mv88w8618_pit_read |
| }; |
| |
| static CPUWriteMemoryFunc * const mv88w8618_pit_writefn[] = { |
| mv88w8618_pit_write, |
| mv88w8618_pit_write, |
| mv88w8618_pit_write |
| }; |
| |
| static int mv88w8618_pit_init(SysBusDevice *dev) |
| { |
| int iomemtype; |
| 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); |
| } |
| |
| iomemtype = cpu_register_io_memory(mv88w8618_pit_readfn, |
| mv88w8618_pit_writefn, s); |
| sysbus_init_mmio(dev, MP_PIT_SIZE, iomemtype); |
| 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; |
| uint32_t cfgr0; |
| } mv88w8618_flashcfg_state; |
| |
| static uint32_t mv88w8618_flashcfg_read(void *opaque, |
| target_phys_addr_t offset) |
| { |
| 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, |
| uint32_t value) |
| { |
| mv88w8618_flashcfg_state *s = opaque; |
| |
| switch (offset) { |
| case MP_FLASHCFG_CFGR0: |
| s->cfgr0 = value; |
| break; |
| } |
| } |
| |
| static CPUReadMemoryFunc * const mv88w8618_flashcfg_readfn[] = { |
| mv88w8618_flashcfg_read, |
| mv88w8618_flashcfg_read, |
| mv88w8618_flashcfg_read |
| }; |
| |
| static CPUWriteMemoryFunc * const mv88w8618_flashcfg_writefn[] = { |
| mv88w8618_flashcfg_write, |
| mv88w8618_flashcfg_write, |
| mv88w8618_flashcfg_write |
| }; |
| |
| static int mv88w8618_flashcfg_init(SysBusDevice *dev) |
| { |
| int iomemtype; |
| mv88w8618_flashcfg_state *s = FROM_SYSBUS(mv88w8618_flashcfg_state, dev); |
| |
| s->cfgr0 = 0xfffe4285; /* Default as set by U-Boot for 8 MB flash */ |
| iomemtype = cpu_register_io_memory(mv88w8618_flashcfg_readfn, |
| mv88w8618_flashcfg_writefn, s); |
| sysbus_init_mmio(dev, MP_FLASHCFG_SIZE, iomemtype); |
| 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 uint32_t musicpal_misc_read(void *opaque, target_phys_addr_t offset) |
| { |
| 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, |
| uint32_t value) |
| { |
| } |
| |
| static CPUReadMemoryFunc * const musicpal_misc_readfn[] = { |
| musicpal_misc_read, |
| musicpal_misc_read, |
| musicpal_misc_read, |
| }; |
| |
| static CPUWriteMemoryFunc * const musicpal_misc_writefn[] = { |
| musicpal_misc_write, |
| musicpal_misc_write, |
| musicpal_misc_write, |
| }; |
| |
| static void musicpal_misc_init(void) |
| { |
| int iomemtype; |
| |
| iomemtype = cpu_register_io_memory(musicpal_misc_readfn, |
| musicpal_misc_writefn, NULL); |
| cpu_register_physical_memory(MP_MISC_BASE, MP_MISC_SIZE, iomemtype); |
| } |
| |
| /* WLAN register offsets */ |
| #define MP_WLAN_MAGIC1 0x11c |
| #define MP_WLAN_MAGIC2 0x124 |
| |
| static uint32_t mv88w8618_wlan_read(void *opaque, target_phys_addr_t offset) |
| { |
| 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, |
| uint32_t value) |
| { |
| } |
| |
| static CPUReadMemoryFunc * const mv88w8618_wlan_readfn[] = { |
| mv88w8618_wlan_read, |
| mv88w8618_wlan_read, |
| mv88w8618_wlan_read, |
| }; |
| |
| static CPUWriteMemoryFunc * const mv88w8618_wlan_writefn[] = { |
| mv88w8618_wlan_write, |
| mv88w8618_wlan_write, |
| mv88w8618_wlan_write, |
| }; |
| |
| static int mv88w8618_wlan_init(SysBusDevice *dev) |
| { |
| int iomemtype; |
| |
| iomemtype = cpu_register_io_memory(mv88w8618_wlan_readfn, |
| mv88w8618_wlan_writefn, NULL); |
| sysbus_init_mmio(dev, MP_WLAN_SIZE, iomemtype); |
| 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; |
| 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 uint32_t musicpal_gpio_read(void *opaque, target_phys_addr_t offset) |
| { |
| 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, |
| uint32_t value) |
| { |
| 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 CPUReadMemoryFunc * const musicpal_gpio_readfn[] = { |
| musicpal_gpio_read, |
| musicpal_gpio_read, |
| musicpal_gpio_read, |
| }; |
| |
| static CPUWriteMemoryFunc * const musicpal_gpio_writefn[] = { |
| musicpal_gpio_write, |
| musicpal_gpio_write, |
| musicpal_gpio_write, |
| }; |
| |
| 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); |
| int iomemtype; |
| |
| sysbus_init_irq(dev, &s->irq); |
| |
| iomemtype = cpu_register_io_memory(musicpal_gpio_readfn, |
| musicpal_gpio_writefn, s); |
| sysbus_init_mmio(dev, MP_GPIO_SIZE, iomemtype); |
| |
| musicpal_gpio_reset(&dev->qdev); |
| |
| 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; |
| 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); |
| |
| sysbus_init_mmio(dev, 0x0, 0); |
| |
| 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; |
| #ifdef HAS_AUDIO |
| DeviceState *wm8750_dev; |
| SysBusDevice *s; |
| #endif |
| i2c_bus *i2c; |
| int i; |
| unsigned long flash_size; |
| DriveInfo *dinfo; |
| ram_addr_t sram_off; |
| |
| 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 */ |
| cpu_register_physical_memory(0, MP_RAM_DEFAULT_SIZE, |
| qemu_ram_alloc(MP_RAM_DEFAULT_SIZE)); |
| |
| sram_off = qemu_ram_alloc(MP_SRAM_SIZE); |
| cpu_register_physical_memory(MP_SRAM_BASE, MP_SRAM_SIZE, sram_off); |
| |
| 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(MP_UART1_BASE, 2, pic[MP_UART1_IRQ], 1825000, |
| serial_hds[0], 1); |
| } |
| if (serial_hds[1]) { |
| serial_mm_init(MP_UART2_BASE, 2, pic[MP_UART2_IRQ], 1825000, |
| serial_hds[1], 1); |
| } |
| |
| /* 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. |
| */ |
| pflash_cfi02_register(0-MP_FLASH_SIZE_MAX, qemu_ram_alloc(flash_size), |
| dinfo->bdrv, 0x10000, |
| (flash_size + 0xffff) >> 16, |
| MP_FLASH_SIZE_MAX / flash_size, |
| 2, 0x00BF, 0x236D, 0x0000, 0x0000, |
| 0x5555, 0x2AAA); |
| } |
| 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(); |
| |
| dev = sysbus_create_simple("musicpal_gpio", MP_GPIO_BASE, pic[MP_GPIO_IRQ]); |
| i2c_dev = sysbus_create_simple("gpio_i2c", 0, 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", 0, 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)); |
| } |
| |
| #ifdef HAS_AUDIO |
| 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]); |
| #endif |
| |
| 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) |