root / hw / musicpal.c @ c88d6bde
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/*
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* Marvell MV88W8618 / Freecom MusicPal emulation.
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*
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* Copyright (c) 2008 Jan Kiszka
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*
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* This code is licenced under the GNU GPL v2.
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*/
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#include "sysbus.h" |
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#include "arm-misc.h" |
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#include "devices.h" |
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#include "net.h" |
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#include "sysemu.h" |
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#include "boards.h" |
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#include "pc.h" |
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#include "qemu-timer.h" |
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#include "block.h" |
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#include "flash.h" |
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#include "console.h" |
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#include "i2c.h" |
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|
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#define MP_MISC_BASE 0x80002000 |
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#define MP_MISC_SIZE 0x00001000 |
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|
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#define MP_ETH_BASE 0x80008000 |
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#define MP_ETH_SIZE 0x00001000 |
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|
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#define MP_WLAN_BASE 0x8000C000 |
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#define MP_WLAN_SIZE 0x00000800 |
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|
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#define MP_UART1_BASE 0x8000C840 |
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#define MP_UART2_BASE 0x8000C940 |
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|
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#define MP_GPIO_BASE 0x8000D000 |
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#define MP_GPIO_SIZE 0x00001000 |
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|
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#define MP_FLASHCFG_BASE 0x90006000 |
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#define MP_FLASHCFG_SIZE 0x00001000 |
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|
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#define MP_AUDIO_BASE 0x90007000 |
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|
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#define MP_PIC_BASE 0x90008000 |
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#define MP_PIC_SIZE 0x00001000 |
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|
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#define MP_PIT_BASE 0x90009000 |
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#define MP_PIT_SIZE 0x00001000 |
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|
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#define MP_LCD_BASE 0x9000c000 |
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#define MP_LCD_SIZE 0x00001000 |
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|
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#define MP_SRAM_BASE 0xC0000000 |
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#define MP_SRAM_SIZE 0x00020000 |
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|
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#define MP_RAM_DEFAULT_SIZE 32*1024*1024 |
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#define MP_FLASH_SIZE_MAX 32*1024*1024 |
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|
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#define MP_TIMER1_IRQ 4 |
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#define MP_TIMER2_IRQ 5 |
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#define MP_TIMER3_IRQ 6 |
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#define MP_TIMER4_IRQ 7 |
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#define MP_EHCI_IRQ 8 |
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#define MP_ETH_IRQ 9 |
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#define MP_UART1_IRQ 11 |
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#define MP_UART2_IRQ 11 |
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#define MP_GPIO_IRQ 12 |
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#define MP_RTC_IRQ 28 |
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#define MP_AUDIO_IRQ 30 |
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|
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/* Wolfson 8750 I2C address */
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#define MP_WM_ADDR 0x34 |
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|
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/* Ethernet register offsets */
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#define MP_ETH_SMIR 0x010 |
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#define MP_ETH_PCXR 0x408 |
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#define MP_ETH_SDCMR 0x448 |
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#define MP_ETH_ICR 0x450 |
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#define MP_ETH_IMR 0x458 |
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#define MP_ETH_FRDP0 0x480 |
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#define MP_ETH_FRDP1 0x484 |
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#define MP_ETH_FRDP2 0x488 |
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#define MP_ETH_FRDP3 0x48C |
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#define MP_ETH_CRDP0 0x4A0 |
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#define MP_ETH_CRDP1 0x4A4 |
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#define MP_ETH_CRDP2 0x4A8 |
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#define MP_ETH_CRDP3 0x4AC |
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#define MP_ETH_CTDP0 0x4E0 |
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#define MP_ETH_CTDP1 0x4E4 |
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#define MP_ETH_CTDP2 0x4E8 |
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#define MP_ETH_CTDP3 0x4EC |
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|
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/* MII PHY access */
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#define MP_ETH_SMIR_DATA 0x0000FFFF |
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#define MP_ETH_SMIR_ADDR 0x03FF0000 |
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#define MP_ETH_SMIR_OPCODE (1 << 26) /* Read value */ |
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#define MP_ETH_SMIR_RDVALID (1 << 27) |
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|
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/* PHY registers */
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#define MP_ETH_PHY1_BMSR 0x00210000 |
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#define MP_ETH_PHY1_PHYSID1 0x00410000 |
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#define MP_ETH_PHY1_PHYSID2 0x00610000 |
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|
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#define MP_PHY_BMSR_LINK 0x0004 |
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#define MP_PHY_BMSR_AUTONEG 0x0008 |
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|
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#define MP_PHY_88E3015 0x01410E20 |
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|
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/* TX descriptor status */
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#define MP_ETH_TX_OWN (1 << 31) |
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|
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/* RX descriptor status */
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#define MP_ETH_RX_OWN (1 << 31) |
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|
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/* Interrupt cause/mask bits */
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#define MP_ETH_IRQ_RX_BIT 0 |
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#define MP_ETH_IRQ_RX (1 << MP_ETH_IRQ_RX_BIT) |
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#define MP_ETH_IRQ_TXHI_BIT 2 |
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#define MP_ETH_IRQ_TXLO_BIT 3 |
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|
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/* Port config bits */
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#define MP_ETH_PCXR_2BSM_BIT 28 /* 2-byte incoming suffix */ |
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|
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/* SDMA command bits */
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#define MP_ETH_CMD_TXHI (1 << 23) |
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#define MP_ETH_CMD_TXLO (1 << 22) |
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|
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typedef struct mv88w8618_tx_desc { |
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uint32_t cmdstat; |
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uint16_t res; |
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uint16_t bytes; |
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uint32_t buffer; |
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uint32_t next; |
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} mv88w8618_tx_desc; |
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|
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typedef struct mv88w8618_rx_desc { |
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uint32_t cmdstat; |
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uint16_t bytes; |
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uint16_t buffer_size; |
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uint32_t buffer; |
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uint32_t next; |
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} mv88w8618_rx_desc; |
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|
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typedef struct mv88w8618_eth_state { |
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SysBusDevice busdev; |
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qemu_irq irq; |
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uint32_t smir; |
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uint32_t icr; |
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uint32_t imr; |
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int mmio_index;
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int vlan_header;
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uint32_t tx_queue[2];
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uint32_t rx_queue[4];
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uint32_t frx_queue[4];
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uint32_t cur_rx[4];
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VLANClientState *vc; |
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} mv88w8618_eth_state; |
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|
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static void eth_rx_desc_put(uint32_t addr, mv88w8618_rx_desc *desc) |
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{
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cpu_to_le32s(&desc->cmdstat); |
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cpu_to_le16s(&desc->bytes); |
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cpu_to_le16s(&desc->buffer_size); |
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cpu_to_le32s(&desc->buffer); |
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cpu_to_le32s(&desc->next); |
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cpu_physical_memory_write(addr, (void *)desc, sizeof(*desc)); |
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} |
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|
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static void eth_rx_desc_get(uint32_t addr, mv88w8618_rx_desc *desc) |
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{
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cpu_physical_memory_read(addr, (void *)desc, sizeof(*desc)); |
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le32_to_cpus(&desc->cmdstat); |
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le16_to_cpus(&desc->bytes); |
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le16_to_cpus(&desc->buffer_size); |
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le32_to_cpus(&desc->buffer); |
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le32_to_cpus(&desc->next); |
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} |
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static int eth_can_receive(VLANClientState *vc) |
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{
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return 1; |
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} |
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|
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static ssize_t eth_receive(VLANClientState *vc, const uint8_t *buf, size_t size) |
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{
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mv88w8618_eth_state *s = vc->opaque; |
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uint32_t desc_addr; |
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mv88w8618_rx_desc desc; |
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int i;
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for (i = 0; i < 4; i++) { |
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desc_addr = s->cur_rx[i]; |
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if (!desc_addr) {
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continue;
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} |
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do {
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eth_rx_desc_get(desc_addr, &desc); |
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if ((desc.cmdstat & MP_ETH_RX_OWN) && desc.buffer_size >= size) {
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cpu_physical_memory_write(desc.buffer + s->vlan_header, |
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buf, size); |
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desc.bytes = size + s->vlan_header; |
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desc.cmdstat &= ~MP_ETH_RX_OWN; |
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s->cur_rx[i] = desc.next; |
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s->icr |= MP_ETH_IRQ_RX; |
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if (s->icr & s->imr) {
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qemu_irq_raise(s->irq); |
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} |
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eth_rx_desc_put(desc_addr, &desc); |
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return size;
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} |
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desc_addr = desc.next; |
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} while (desc_addr != s->rx_queue[i]);
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} |
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return size;
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} |
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|
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static void eth_tx_desc_put(uint32_t addr, mv88w8618_tx_desc *desc) |
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{
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cpu_to_le32s(&desc->cmdstat); |
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cpu_to_le16s(&desc->res); |
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cpu_to_le16s(&desc->bytes); |
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cpu_to_le32s(&desc->buffer); |
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cpu_to_le32s(&desc->next); |
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cpu_physical_memory_write(addr, (void *)desc, sizeof(*desc)); |
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} |
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|
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static void eth_tx_desc_get(uint32_t addr, mv88w8618_tx_desc *desc) |
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{
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cpu_physical_memory_read(addr, (void *)desc, sizeof(*desc)); |
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le32_to_cpus(&desc->cmdstat); |
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le16_to_cpus(&desc->res); |
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le16_to_cpus(&desc->bytes); |
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le32_to_cpus(&desc->buffer); |
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le32_to_cpus(&desc->next); |
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} |
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static void eth_send(mv88w8618_eth_state *s, int queue_index) |
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{
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uint32_t desc_addr = s->tx_queue[queue_index]; |
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mv88w8618_tx_desc desc; |
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uint8_t buf[2048];
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int len;
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if (!desc_addr) {
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return;
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} |
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do {
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eth_tx_desc_get(desc_addr, &desc); |
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if (desc.cmdstat & MP_ETH_TX_OWN) {
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len = desc.bytes; |
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if (len < 2048) { |
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cpu_physical_memory_read(desc.buffer, buf, len); |
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qemu_send_packet(s->vc, buf, len); |
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} |
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desc.cmdstat &= ~MP_ETH_TX_OWN; |
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s->icr |= 1 << (MP_ETH_IRQ_TXLO_BIT - queue_index);
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eth_tx_desc_put(desc_addr, &desc); |
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} |
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desc_addr = desc.next; |
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} while (desc_addr != s->tx_queue[queue_index]);
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} |
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|
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static uint32_t mv88w8618_eth_read(void *opaque, target_phys_addr_t offset) |
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{
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mv88w8618_eth_state *s = opaque; |
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|
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switch (offset) {
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case MP_ETH_SMIR:
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if (s->smir & MP_ETH_SMIR_OPCODE) {
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switch (s->smir & MP_ETH_SMIR_ADDR) {
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case MP_ETH_PHY1_BMSR:
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return MP_PHY_BMSR_LINK | MP_PHY_BMSR_AUTONEG |
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MP_ETH_SMIR_RDVALID; |
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case MP_ETH_PHY1_PHYSID1:
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return (MP_PHY_88E3015 >> 16) | MP_ETH_SMIR_RDVALID; |
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case MP_ETH_PHY1_PHYSID2:
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return (MP_PHY_88E3015 & 0xFFFF) | MP_ETH_SMIR_RDVALID; |
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default:
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return MP_ETH_SMIR_RDVALID;
|
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} |
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} |
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return 0; |
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|
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case MP_ETH_ICR:
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return s->icr;
|
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|
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case MP_ETH_IMR:
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return s->imr;
|
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|
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case MP_ETH_FRDP0 ... MP_ETH_FRDP3:
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return s->frx_queue[(offset - MP_ETH_FRDP0)/4]; |
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|
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case MP_ETH_CRDP0 ... MP_ETH_CRDP3:
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return s->rx_queue[(offset - MP_ETH_CRDP0)/4]; |
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|
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case MP_ETH_CTDP0 ... MP_ETH_CTDP3:
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return s->tx_queue[(offset - MP_ETH_CTDP0)/4]; |
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|
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default:
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return 0; |
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} |
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} |
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|
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static void mv88w8618_eth_write(void *opaque, target_phys_addr_t offset, |
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uint32_t value) |
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{
|
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mv88w8618_eth_state *s = opaque; |
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|
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switch (offset) {
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case MP_ETH_SMIR:
|
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s->smir = value; |
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break;
|
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|
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case MP_ETH_PCXR:
|
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s->vlan_header = ((value >> MP_ETH_PCXR_2BSM_BIT) & 1) * 2; |
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break;
|
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|
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case MP_ETH_SDCMR:
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if (value & MP_ETH_CMD_TXHI) {
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eth_send(s, 1);
|
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} |
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if (value & MP_ETH_CMD_TXLO) {
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eth_send(s, 0);
|
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} |
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if (value & (MP_ETH_CMD_TXHI | MP_ETH_CMD_TXLO) && s->icr & s->imr) {
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qemu_irq_raise(s->irq); |
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} |
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break;
|
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|
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case MP_ETH_ICR:
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s->icr &= value; |
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break;
|
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|
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case MP_ETH_IMR:
|
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s->imr = value; |
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if (s->icr & s->imr) {
|
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qemu_irq_raise(s->irq); |
| 337 |
} |
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break;
|
| 339 |
|
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case MP_ETH_FRDP0 ... MP_ETH_FRDP3:
|
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s->frx_queue[(offset - MP_ETH_FRDP0)/4] = value;
|
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break;
|
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|
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case MP_ETH_CRDP0 ... MP_ETH_CRDP3:
|
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s->rx_queue[(offset - MP_ETH_CRDP0)/4] =
|
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s->cur_rx[(offset - MP_ETH_CRDP0)/4] = value;
|
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break;
|
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|
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case MP_ETH_CTDP0 ... MP_ETH_CTDP3:
|
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s->tx_queue[(offset - MP_ETH_CTDP0)/4] = value;
|
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break;
|
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} |
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} |
| 354 |
|
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static CPUReadMemoryFunc * const mv88w8618_eth_readfn[] = { |
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mv88w8618_eth_read, |
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mv88w8618_eth_read, |
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mv88w8618_eth_read |
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}; |
| 360 |
|
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static CPUWriteMemoryFunc * const mv88w8618_eth_writefn[] = { |
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mv88w8618_eth_write, |
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mv88w8618_eth_write, |
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mv88w8618_eth_write |
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}; |
| 366 |
|
| 367 |
static void eth_cleanup(VLANClientState *vc) |
| 368 |
{
|
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mv88w8618_eth_state *s = vc->opaque; |
| 370 |
|
| 371 |
cpu_unregister_io_memory(s->mmio_index); |
| 372 |
|
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qemu_free(s); |
| 374 |
} |
| 375 |
|
| 376 |
static int mv88w8618_eth_init(SysBusDevice *dev) |
| 377 |
{
|
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mv88w8618_eth_state *s = FROM_SYSBUS(mv88w8618_eth_state, dev); |
| 379 |
|
| 380 |
sysbus_init_irq(dev, &s->irq); |
| 381 |
s->vc = qdev_get_vlan_client(&dev->qdev, |
| 382 |
eth_can_receive, eth_receive, NULL,
|
| 383 |
eth_cleanup, s); |
| 384 |
s->mmio_index = cpu_register_io_memory(mv88w8618_eth_readfn, |
| 385 |
mv88w8618_eth_writefn, s); |
| 386 |
sysbus_init_mmio(dev, MP_ETH_SIZE, s->mmio_index); |
| 387 |
return 0; |
| 388 |
} |
| 389 |
|
| 390 |
/* LCD register offsets */
|
| 391 |
#define MP_LCD_IRQCTRL 0x180 |
| 392 |
#define MP_LCD_IRQSTAT 0x184 |
| 393 |
#define MP_LCD_SPICTRL 0x1ac |
| 394 |
#define MP_LCD_INST 0x1bc |
| 395 |
#define MP_LCD_DATA 0x1c0 |
| 396 |
|
| 397 |
/* Mode magics */
|
| 398 |
#define MP_LCD_SPI_DATA 0x00100011 |
| 399 |
#define MP_LCD_SPI_CMD 0x00104011 |
| 400 |
#define MP_LCD_SPI_INVALID 0x00000000 |
| 401 |
|
| 402 |
/* Commmands */
|
| 403 |
#define MP_LCD_INST_SETPAGE0 0xB0 |
| 404 |
/* ... */
|
| 405 |
#define MP_LCD_INST_SETPAGE7 0xB7 |
| 406 |
|
| 407 |
#define MP_LCD_TEXTCOLOR 0xe0e0ff /* RRGGBB */ |
| 408 |
|
| 409 |
typedef struct musicpal_lcd_state { |
| 410 |
SysBusDevice busdev; |
| 411 |
uint32_t brightness; |
| 412 |
uint32_t mode; |
| 413 |
uint32_t irqctrl; |
| 414 |
int page;
|
| 415 |
int page_off;
|
| 416 |
DisplayState *ds; |
| 417 |
uint8_t video_ram[128*64/8]; |
| 418 |
} musicpal_lcd_state; |
| 419 |
|
| 420 |
static uint8_t scale_lcd_color(musicpal_lcd_state *s, uint8_t col)
|
| 421 |
{
|
| 422 |
switch (s->brightness) {
|
| 423 |
case 7: |
| 424 |
return col;
|
| 425 |
case 0: |
| 426 |
return 0; |
| 427 |
default:
|
| 428 |
return (col * s->brightness) / 7; |
| 429 |
} |
| 430 |
} |
| 431 |
|
| 432 |
#define SET_LCD_PIXEL(depth, type) \
|
| 433 |
static inline void glue(set_lcd_pixel, depth) \ |
| 434 |
(musicpal_lcd_state *s, int x, int y, type col) \ |
| 435 |
{ \
|
| 436 |
int dx, dy; \
|
| 437 |
type *pixel = &((type *) ds_get_data(s->ds))[(y * 128 * 3 + x) * 3]; \ |
| 438 |
\ |
| 439 |
for (dy = 0; dy < 3; dy++, pixel += 127 * 3) \ |
| 440 |
for (dx = 0; dx < 3; dx++, pixel++) \ |
| 441 |
*pixel = col; \ |
| 442 |
} |
| 443 |
SET_LCD_PIXEL(8, uint8_t)
|
| 444 |
SET_LCD_PIXEL(16, uint16_t)
|
| 445 |
SET_LCD_PIXEL(32, uint32_t)
|
| 446 |
|
| 447 |
#include "pixel_ops.h" |
| 448 |
|
| 449 |
static void lcd_refresh(void *opaque) |
| 450 |
{
|
| 451 |
musicpal_lcd_state *s = opaque; |
| 452 |
int x, y, col;
|
| 453 |
|
| 454 |
switch (ds_get_bits_per_pixel(s->ds)) {
|
| 455 |
case 0: |
| 456 |
return;
|
| 457 |
#define LCD_REFRESH(depth, func) \
|
| 458 |
case depth: \
|
| 459 |
col = func(scale_lcd_color(s, (MP_LCD_TEXTCOLOR >> 16) & 0xff), \ |
| 460 |
scale_lcd_color(s, (MP_LCD_TEXTCOLOR >> 8) & 0xff), \ |
| 461 |
scale_lcd_color(s, MP_LCD_TEXTCOLOR & 0xff)); \
|
| 462 |
for (x = 0; x < 128; x++) { \ |
| 463 |
for (y = 0; y < 64; y++) { \ |
| 464 |
if (s->video_ram[x + (y/8)*128] & (1 << (y % 8))) { \ |
| 465 |
glue(set_lcd_pixel, depth)(s, x, y, col); \ |
| 466 |
} else { \
|
| 467 |
glue(set_lcd_pixel, depth)(s, x, y, 0); \
|
| 468 |
} \ |
| 469 |
} \ |
| 470 |
} \ |
| 471 |
break;
|
| 472 |
LCD_REFRESH(8, rgb_to_pixel8)
|
| 473 |
LCD_REFRESH(16, rgb_to_pixel16)
|
| 474 |
LCD_REFRESH(32, (is_surface_bgr(s->ds->surface) ?
|
| 475 |
rgb_to_pixel32bgr : rgb_to_pixel32)) |
| 476 |
default:
|
| 477 |
hw_error("unsupported colour depth %i\n",
|
| 478 |
ds_get_bits_per_pixel(s->ds)); |
| 479 |
} |
| 480 |
|
| 481 |
dpy_update(s->ds, 0, 0, 128*3, 64*3); |
| 482 |
} |
| 483 |
|
| 484 |
static void lcd_invalidate(void *opaque) |
| 485 |
{
|
| 486 |
} |
| 487 |
|
| 488 |
static void musicpal_lcd_gpio_brigthness_in(void *opaque, int irq, int level) |
| 489 |
{
|
| 490 |
musicpal_lcd_state *s = opaque; |
| 491 |
s->brightness &= ~(1 << irq);
|
| 492 |
s->brightness |= level << irq; |
| 493 |
} |
| 494 |
|
| 495 |
static uint32_t musicpal_lcd_read(void *opaque, target_phys_addr_t offset) |
| 496 |
{
|
| 497 |
musicpal_lcd_state *s = opaque; |
| 498 |
|
| 499 |
switch (offset) {
|
| 500 |
case MP_LCD_IRQCTRL:
|
| 501 |
return s->irqctrl;
|
| 502 |
|
| 503 |
default:
|
| 504 |
return 0; |
| 505 |
} |
| 506 |
} |
| 507 |
|
| 508 |
static void musicpal_lcd_write(void *opaque, target_phys_addr_t offset, |
| 509 |
uint32_t value) |
| 510 |
{
|
| 511 |
musicpal_lcd_state *s = opaque; |
| 512 |
|
| 513 |
switch (offset) {
|
| 514 |
case MP_LCD_IRQCTRL:
|
| 515 |
s->irqctrl = value; |
| 516 |
break;
|
| 517 |
|
| 518 |
case MP_LCD_SPICTRL:
|
| 519 |
if (value == MP_LCD_SPI_DATA || value == MP_LCD_SPI_CMD) {
|
| 520 |
s->mode = value; |
| 521 |
} else {
|
| 522 |
s->mode = MP_LCD_SPI_INVALID; |
| 523 |
} |
| 524 |
break;
|
| 525 |
|
| 526 |
case MP_LCD_INST:
|
| 527 |
if (value >= MP_LCD_INST_SETPAGE0 && value <= MP_LCD_INST_SETPAGE7) {
|
| 528 |
s->page = value - MP_LCD_INST_SETPAGE0; |
| 529 |
s->page_off = 0;
|
| 530 |
} |
| 531 |
break;
|
| 532 |
|
| 533 |
case MP_LCD_DATA:
|
| 534 |
if (s->mode == MP_LCD_SPI_CMD) {
|
| 535 |
if (value >= MP_LCD_INST_SETPAGE0 &&
|
| 536 |
value <= MP_LCD_INST_SETPAGE7) {
|
| 537 |
s->page = value - MP_LCD_INST_SETPAGE0; |
| 538 |
s->page_off = 0;
|
| 539 |
} |
| 540 |
} else if (s->mode == MP_LCD_SPI_DATA) { |
| 541 |
s->video_ram[s->page*128 + s->page_off] = value;
|
| 542 |
s->page_off = (s->page_off + 1) & 127; |
| 543 |
} |
| 544 |
break;
|
| 545 |
} |
| 546 |
} |
| 547 |
|
| 548 |
static CPUReadMemoryFunc * const musicpal_lcd_readfn[] = { |
| 549 |
musicpal_lcd_read, |
| 550 |
musicpal_lcd_read, |
| 551 |
musicpal_lcd_read |
| 552 |
}; |
| 553 |
|
| 554 |
static CPUWriteMemoryFunc * const musicpal_lcd_writefn[] = { |
| 555 |
musicpal_lcd_write, |
| 556 |
musicpal_lcd_write, |
| 557 |
musicpal_lcd_write |
| 558 |
}; |
| 559 |
|
| 560 |
static int musicpal_lcd_init(SysBusDevice *dev) |
| 561 |
{
|
| 562 |
musicpal_lcd_state *s = FROM_SYSBUS(musicpal_lcd_state, dev); |
| 563 |
int iomemtype;
|
| 564 |
|
| 565 |
s->brightness = 7;
|
| 566 |
|
| 567 |
iomemtype = cpu_register_io_memory(musicpal_lcd_readfn, |
| 568 |
musicpal_lcd_writefn, s); |
| 569 |
sysbus_init_mmio(dev, MP_LCD_SIZE, iomemtype); |
| 570 |
|
| 571 |
s->ds = graphic_console_init(lcd_refresh, lcd_invalidate, |
| 572 |
NULL, NULL, s); |
| 573 |
qemu_console_resize(s->ds, 128*3, 64*3); |
| 574 |
|
| 575 |
qdev_init_gpio_in(&dev->qdev, musicpal_lcd_gpio_brigthness_in, 3);
|
| 576 |
|
| 577 |
return 0; |
| 578 |
} |
| 579 |
|
| 580 |
/* PIC register offsets */
|
| 581 |
#define MP_PIC_STATUS 0x00 |
| 582 |
#define MP_PIC_ENABLE_SET 0x08 |
| 583 |
#define MP_PIC_ENABLE_CLR 0x0C |
| 584 |
|
| 585 |
typedef struct mv88w8618_pic_state |
| 586 |
{
|
| 587 |
SysBusDevice busdev; |
| 588 |
uint32_t level; |
| 589 |
uint32_t enabled; |
| 590 |
qemu_irq parent_irq; |
| 591 |
} mv88w8618_pic_state; |
| 592 |
|
| 593 |
static void mv88w8618_pic_update(mv88w8618_pic_state *s) |
| 594 |
{
|
| 595 |
qemu_set_irq(s->parent_irq, (s->level & s->enabled)); |
| 596 |
} |
| 597 |
|
| 598 |
static void mv88w8618_pic_set_irq(void *opaque, int irq, int level) |
| 599 |
{
|
| 600 |
mv88w8618_pic_state *s = opaque; |
| 601 |
|
| 602 |
if (level) {
|
| 603 |
s->level |= 1 << irq;
|
| 604 |
} else {
|
| 605 |
s->level &= ~(1 << irq);
|
| 606 |
} |
| 607 |
mv88w8618_pic_update(s); |
| 608 |
} |
| 609 |
|
| 610 |
static uint32_t mv88w8618_pic_read(void *opaque, target_phys_addr_t offset) |
| 611 |
{
|
| 612 |
mv88w8618_pic_state *s = opaque; |
| 613 |
|
| 614 |
switch (offset) {
|
| 615 |
case MP_PIC_STATUS:
|
| 616 |
return s->level & s->enabled;
|
| 617 |
|
| 618 |
default:
|
| 619 |
return 0; |
| 620 |
} |
| 621 |
} |
| 622 |
|
| 623 |
static void mv88w8618_pic_write(void *opaque, target_phys_addr_t offset, |
| 624 |
uint32_t value) |
| 625 |
{
|
| 626 |
mv88w8618_pic_state *s = opaque; |
| 627 |
|
| 628 |
switch (offset) {
|
| 629 |
case MP_PIC_ENABLE_SET:
|
| 630 |
s->enabled |= value; |
| 631 |
break;
|
| 632 |
|
| 633 |
case MP_PIC_ENABLE_CLR:
|
| 634 |
s->enabled &= ~value; |
| 635 |
s->level &= ~value; |
| 636 |
break;
|
| 637 |
} |
| 638 |
mv88w8618_pic_update(s); |
| 639 |
} |
| 640 |
|
| 641 |
static void mv88w8618_pic_reset(void *opaque) |
| 642 |
{
|
| 643 |
mv88w8618_pic_state *s = opaque; |
| 644 |
|
| 645 |
s->level = 0;
|
| 646 |
s->enabled = 0;
|
| 647 |
} |
| 648 |
|
| 649 |
static CPUReadMemoryFunc * const mv88w8618_pic_readfn[] = { |
| 650 |
mv88w8618_pic_read, |
| 651 |
mv88w8618_pic_read, |
| 652 |
mv88w8618_pic_read |
| 653 |
}; |
| 654 |
|
| 655 |
static CPUWriteMemoryFunc * const mv88w8618_pic_writefn[] = { |
| 656 |
mv88w8618_pic_write, |
| 657 |
mv88w8618_pic_write, |
| 658 |
mv88w8618_pic_write |
| 659 |
}; |
| 660 |
|
| 661 |
static int mv88w8618_pic_init(SysBusDevice *dev) |
| 662 |
{
|
| 663 |
mv88w8618_pic_state *s = FROM_SYSBUS(mv88w8618_pic_state, dev); |
| 664 |
int iomemtype;
|
| 665 |
|
| 666 |
qdev_init_gpio_in(&dev->qdev, mv88w8618_pic_set_irq, 32);
|
| 667 |
sysbus_init_irq(dev, &s->parent_irq); |
| 668 |
iomemtype = cpu_register_io_memory(mv88w8618_pic_readfn, |
| 669 |
mv88w8618_pic_writefn, s); |
| 670 |
sysbus_init_mmio(dev, MP_PIC_SIZE, iomemtype); |
| 671 |
|
| 672 |
qemu_register_reset(mv88w8618_pic_reset, s); |
| 673 |
return 0; |
| 674 |
} |
| 675 |
|
| 676 |
/* PIT register offsets */
|
| 677 |
#define MP_PIT_TIMER1_LENGTH 0x00 |
| 678 |
/* ... */
|
| 679 |
#define MP_PIT_TIMER4_LENGTH 0x0C |
| 680 |
#define MP_PIT_CONTROL 0x10 |
| 681 |
#define MP_PIT_TIMER1_VALUE 0x14 |
| 682 |
/* ... */
|
| 683 |
#define MP_PIT_TIMER4_VALUE 0x20 |
| 684 |
#define MP_BOARD_RESET 0x34 |
| 685 |
|
| 686 |
/* Magic board reset value (probably some watchdog behind it) */
|
| 687 |
#define MP_BOARD_RESET_MAGIC 0x10000 |
| 688 |
|
| 689 |
typedef struct mv88w8618_timer_state { |
| 690 |
ptimer_state *ptimer; |
| 691 |
uint32_t limit; |
| 692 |
int freq;
|
| 693 |
qemu_irq irq; |
| 694 |
} mv88w8618_timer_state; |
| 695 |
|
| 696 |
typedef struct mv88w8618_pit_state { |
| 697 |
SysBusDevice busdev; |
| 698 |
mv88w8618_timer_state timer[4];
|
| 699 |
} mv88w8618_pit_state; |
| 700 |
|
| 701 |
static void mv88w8618_timer_tick(void *opaque) |
| 702 |
{
|
| 703 |
mv88w8618_timer_state *s = opaque; |
| 704 |
|
| 705 |
qemu_irq_raise(s->irq); |
| 706 |
} |
| 707 |
|
| 708 |
static void mv88w8618_timer_init(SysBusDevice *dev, mv88w8618_timer_state *s, |
| 709 |
uint32_t freq) |
| 710 |
{
|
| 711 |
QEMUBH *bh; |
| 712 |
|
| 713 |
sysbus_init_irq(dev, &s->irq); |
| 714 |
s->freq = freq; |
| 715 |
|
| 716 |
bh = qemu_bh_new(mv88w8618_timer_tick, s); |
| 717 |
s->ptimer = ptimer_init(bh); |
| 718 |
} |
| 719 |
|
| 720 |
static uint32_t mv88w8618_pit_read(void *opaque, target_phys_addr_t offset) |
| 721 |
{
|
| 722 |
mv88w8618_pit_state *s = opaque; |
| 723 |
mv88w8618_timer_state *t; |
| 724 |
|
| 725 |
switch (offset) {
|
| 726 |
case MP_PIT_TIMER1_VALUE ... MP_PIT_TIMER4_VALUE:
|
| 727 |
t = &s->timer[(offset-MP_PIT_TIMER1_VALUE) >> 2];
|
| 728 |
return ptimer_get_count(t->ptimer);
|
| 729 |
|
| 730 |
default:
|
| 731 |
return 0; |
| 732 |
} |
| 733 |
} |
| 734 |
|
| 735 |
static void mv88w8618_pit_write(void *opaque, target_phys_addr_t offset, |
| 736 |
uint32_t value) |
| 737 |
{
|
| 738 |
mv88w8618_pit_state *s = opaque; |
| 739 |
mv88w8618_timer_state *t; |
| 740 |
int i;
|
| 741 |
|
| 742 |
switch (offset) {
|
| 743 |
case MP_PIT_TIMER1_LENGTH ... MP_PIT_TIMER4_LENGTH:
|
| 744 |
t = &s->timer[offset >> 2];
|
| 745 |
t->limit = value; |
| 746 |
if (t->limit > 0) { |
| 747 |
ptimer_set_limit(t->ptimer, t->limit, 1);
|
| 748 |
} else {
|
| 749 |
ptimer_stop(t->ptimer); |
| 750 |
} |
| 751 |
break;
|
| 752 |
|
| 753 |
case MP_PIT_CONTROL:
|
| 754 |
for (i = 0; i < 4; i++) { |
| 755 |
t = &s->timer[i]; |
| 756 |
if (value & 0xf && t->limit > 0) { |
| 757 |
ptimer_set_limit(t->ptimer, t->limit, 0);
|
| 758 |
ptimer_set_freq(t->ptimer, t->freq); |
| 759 |
ptimer_run(t->ptimer, 0);
|
| 760 |
} else {
|
| 761 |
ptimer_stop(t->ptimer); |
| 762 |
} |
| 763 |
value >>= 4;
|
| 764 |
} |
| 765 |
break;
|
| 766 |
|
| 767 |
case MP_BOARD_RESET:
|
| 768 |
if (value == MP_BOARD_RESET_MAGIC) {
|
| 769 |
qemu_system_reset_request(); |
| 770 |
} |
| 771 |
break;
|
| 772 |
} |
| 773 |
} |
| 774 |
|
| 775 |
static void mv88w8618_pit_reset(void *opaque) |
| 776 |
{
|
| 777 |
mv88w8618_pit_state *s = opaque; |
| 778 |
int i;
|
| 779 |
|
| 780 |
for (i = 0; i < 4; i++) { |
| 781 |
ptimer_stop(s->timer[i].ptimer); |
| 782 |
s->timer[i].limit = 0;
|
| 783 |
} |
| 784 |
} |
| 785 |
|
| 786 |
static CPUReadMemoryFunc * const mv88w8618_pit_readfn[] = { |
| 787 |
mv88w8618_pit_read, |
| 788 |
mv88w8618_pit_read, |
| 789 |
mv88w8618_pit_read |
| 790 |
}; |
| 791 |
|
| 792 |
static CPUWriteMemoryFunc * const mv88w8618_pit_writefn[] = { |
| 793 |
mv88w8618_pit_write, |
| 794 |
mv88w8618_pit_write, |
| 795 |
mv88w8618_pit_write |
| 796 |
}; |
| 797 |
|
| 798 |
static int mv88w8618_pit_init(SysBusDevice *dev) |
| 799 |
{
|
| 800 |
int iomemtype;
|
| 801 |
mv88w8618_pit_state *s = FROM_SYSBUS(mv88w8618_pit_state, dev); |
| 802 |
int i;
|
| 803 |
|
| 804 |
/* Letting them all run at 1 MHz is likely just a pragmatic
|
| 805 |
* simplification. */
|
| 806 |
for (i = 0; i < 4; i++) { |
| 807 |
mv88w8618_timer_init(dev, &s->timer[i], 1000000);
|
| 808 |
} |
| 809 |
|
| 810 |
iomemtype = cpu_register_io_memory(mv88w8618_pit_readfn, |
| 811 |
mv88w8618_pit_writefn, s); |
| 812 |
sysbus_init_mmio(dev, MP_PIT_SIZE, iomemtype); |
| 813 |
return 0; |
| 814 |
} |
| 815 |
|
| 816 |
static SysBusDeviceInfo mv88w8618_pit_info = {
|
| 817 |
.init = mv88w8618_pit_init, |
| 818 |
.qdev.name = "mv88w8618_pit",
|
| 819 |
.qdev.size = sizeof(mv88w8618_pit_state),
|
| 820 |
.qdev.reset = mv88w8618_pit_reset, |
| 821 |
}; |
| 822 |
|
| 823 |
/* Flash config register offsets */
|
| 824 |
#define MP_FLASHCFG_CFGR0 0x04 |
| 825 |
|
| 826 |
typedef struct mv88w8618_flashcfg_state { |
| 827 |
SysBusDevice busdev; |
| 828 |
uint32_t cfgr0; |
| 829 |
} mv88w8618_flashcfg_state; |
| 830 |
|
| 831 |
static uint32_t mv88w8618_flashcfg_read(void *opaque, |
| 832 |
target_phys_addr_t offset) |
| 833 |
{
|
| 834 |
mv88w8618_flashcfg_state *s = opaque; |
| 835 |
|
| 836 |
switch (offset) {
|
| 837 |
case MP_FLASHCFG_CFGR0:
|
| 838 |
return s->cfgr0;
|
| 839 |
|
| 840 |
default:
|
| 841 |
return 0; |
| 842 |
} |
| 843 |
} |
| 844 |
|
| 845 |
static void mv88w8618_flashcfg_write(void *opaque, target_phys_addr_t offset, |
| 846 |
uint32_t value) |
| 847 |
{
|
| 848 |
mv88w8618_flashcfg_state *s = opaque; |
| 849 |
|
| 850 |
switch (offset) {
|
| 851 |
case MP_FLASHCFG_CFGR0:
|
| 852 |
s->cfgr0 = value; |
| 853 |
break;
|
| 854 |
} |
| 855 |
} |
| 856 |
|
| 857 |
static CPUReadMemoryFunc * const mv88w8618_flashcfg_readfn[] = { |
| 858 |
mv88w8618_flashcfg_read, |
| 859 |
mv88w8618_flashcfg_read, |
| 860 |
mv88w8618_flashcfg_read |
| 861 |
}; |
| 862 |
|
| 863 |
static CPUWriteMemoryFunc * const mv88w8618_flashcfg_writefn[] = { |
| 864 |
mv88w8618_flashcfg_write, |
| 865 |
mv88w8618_flashcfg_write, |
| 866 |
mv88w8618_flashcfg_write |
| 867 |
}; |
| 868 |
|
| 869 |
static int mv88w8618_flashcfg_init(SysBusDevice *dev) |
| 870 |
{
|
| 871 |
int iomemtype;
|
| 872 |
mv88w8618_flashcfg_state *s = FROM_SYSBUS(mv88w8618_flashcfg_state, dev); |
| 873 |
|
| 874 |
s->cfgr0 = 0xfffe4285; /* Default as set by U-Boot for 8 MB flash */ |
| 875 |
iomemtype = cpu_register_io_memory(mv88w8618_flashcfg_readfn, |
| 876 |
mv88w8618_flashcfg_writefn, s); |
| 877 |
sysbus_init_mmio(dev, MP_FLASHCFG_SIZE, iomemtype); |
| 878 |
return 0; |
| 879 |
} |
| 880 |
|
| 881 |
/* Misc register offsets */
|
| 882 |
#define MP_MISC_BOARD_REVISION 0x18 |
| 883 |
|
| 884 |
#define MP_BOARD_REVISION 0x31 |
| 885 |
|
| 886 |
static uint32_t musicpal_misc_read(void *opaque, target_phys_addr_t offset) |
| 887 |
{
|
| 888 |
switch (offset) {
|
| 889 |
case MP_MISC_BOARD_REVISION:
|
| 890 |
return MP_BOARD_REVISION;
|
| 891 |
|
| 892 |
default:
|
| 893 |
return 0; |
| 894 |
} |
| 895 |
} |
| 896 |
|
| 897 |
static void musicpal_misc_write(void *opaque, target_phys_addr_t offset, |
| 898 |
uint32_t value) |
| 899 |
{
|
| 900 |
} |
| 901 |
|
| 902 |
static CPUReadMemoryFunc * const musicpal_misc_readfn[] = { |
| 903 |
musicpal_misc_read, |
| 904 |
musicpal_misc_read, |
| 905 |
musicpal_misc_read, |
| 906 |
}; |
| 907 |
|
| 908 |
static CPUWriteMemoryFunc * const musicpal_misc_writefn[] = { |
| 909 |
musicpal_misc_write, |
| 910 |
musicpal_misc_write, |
| 911 |
musicpal_misc_write, |
| 912 |
}; |
| 913 |
|
| 914 |
static void musicpal_misc_init(void) |
| 915 |
{
|
| 916 |
int iomemtype;
|
| 917 |
|
| 918 |
iomemtype = cpu_register_io_memory(musicpal_misc_readfn, |
| 919 |
musicpal_misc_writefn, NULL);
|
| 920 |
cpu_register_physical_memory(MP_MISC_BASE, MP_MISC_SIZE, iomemtype); |
| 921 |
} |
| 922 |
|
| 923 |
/* WLAN register offsets */
|
| 924 |
#define MP_WLAN_MAGIC1 0x11c |
| 925 |
#define MP_WLAN_MAGIC2 0x124 |
| 926 |
|
| 927 |
static uint32_t mv88w8618_wlan_read(void *opaque, target_phys_addr_t offset) |
| 928 |
{
|
| 929 |
switch (offset) {
|
| 930 |
/* Workaround to allow loading the binary-only wlandrv.ko crap
|
| 931 |
* from the original Freecom firmware. */
|
| 932 |
case MP_WLAN_MAGIC1:
|
| 933 |
return ~3; |
| 934 |
case MP_WLAN_MAGIC2:
|
| 935 |
return -1; |
| 936 |
|
| 937 |
default:
|
| 938 |
return 0; |
| 939 |
} |
| 940 |
} |
| 941 |
|
| 942 |
static void mv88w8618_wlan_write(void *opaque, target_phys_addr_t offset, |
| 943 |
uint32_t value) |
| 944 |
{
|
| 945 |
} |
| 946 |
|
| 947 |
static CPUReadMemoryFunc * const mv88w8618_wlan_readfn[] = { |
| 948 |
mv88w8618_wlan_read, |
| 949 |
mv88w8618_wlan_read, |
| 950 |
mv88w8618_wlan_read, |
| 951 |
}; |
| 952 |
|
| 953 |
static CPUWriteMemoryFunc * const mv88w8618_wlan_writefn[] = { |
| 954 |
mv88w8618_wlan_write, |
| 955 |
mv88w8618_wlan_write, |
| 956 |
mv88w8618_wlan_write, |
| 957 |
}; |
| 958 |
|
| 959 |
static int mv88w8618_wlan_init(SysBusDevice *dev) |
| 960 |
{
|
| 961 |
int iomemtype;
|
| 962 |
|
| 963 |
iomemtype = cpu_register_io_memory(mv88w8618_wlan_readfn, |
| 964 |
mv88w8618_wlan_writefn, NULL);
|
| 965 |
sysbus_init_mmio(dev, MP_WLAN_SIZE, iomemtype); |
| 966 |
return 0; |
| 967 |
} |
| 968 |
|
| 969 |
/* GPIO register offsets */
|
| 970 |
#define MP_GPIO_OE_LO 0x008 |
| 971 |
#define MP_GPIO_OUT_LO 0x00c |
| 972 |
#define MP_GPIO_IN_LO 0x010 |
| 973 |
#define MP_GPIO_IER_LO 0x014 |
| 974 |
#define MP_GPIO_IMR_LO 0x018 |
| 975 |
#define MP_GPIO_ISR_LO 0x020 |
| 976 |
#define MP_GPIO_OE_HI 0x508 |
| 977 |
#define MP_GPIO_OUT_HI 0x50c |
| 978 |
#define MP_GPIO_IN_HI 0x510 |
| 979 |
#define MP_GPIO_IER_HI 0x514 |
| 980 |
#define MP_GPIO_IMR_HI 0x518 |
| 981 |
#define MP_GPIO_ISR_HI 0x520 |
| 982 |
|
| 983 |
/* GPIO bits & masks */
|
| 984 |
#define MP_GPIO_LCD_BRIGHTNESS 0x00070000 |
| 985 |
#define MP_GPIO_I2C_DATA_BIT 29 |
| 986 |
#define MP_GPIO_I2C_CLOCK_BIT 30 |
| 987 |
|
| 988 |
/* LCD brightness bits in GPIO_OE_HI */
|
| 989 |
#define MP_OE_LCD_BRIGHTNESS 0x0007 |
| 990 |
|
| 991 |
typedef struct musicpal_gpio_state { |
| 992 |
SysBusDevice busdev; |
| 993 |
uint32_t lcd_brightness; |
| 994 |
uint32_t out_state; |
| 995 |
uint32_t in_state; |
| 996 |
uint32_t ier; |
| 997 |
uint32_t imr; |
| 998 |
uint32_t isr; |
| 999 |
qemu_irq irq; |
| 1000 |
qemu_irq out[5]; /* 3 brightness out + 2 lcd (data and clock ) */ |
| 1001 |
} musicpal_gpio_state; |
| 1002 |
|
| 1003 |
static void musicpal_gpio_brightness_update(musicpal_gpio_state *s) { |
| 1004 |
int i;
|
| 1005 |
uint32_t brightness; |
| 1006 |
|
| 1007 |
/* compute brightness ratio */
|
| 1008 |
switch (s->lcd_brightness) {
|
| 1009 |
case 0x00000007: |
| 1010 |
brightness = 0;
|
| 1011 |
break;
|
| 1012 |
|
| 1013 |
case 0x00020000: |
| 1014 |
brightness = 1;
|
| 1015 |
break;
|
| 1016 |
|
| 1017 |
case 0x00020001: |
| 1018 |
brightness = 2;
|
| 1019 |
break;
|
| 1020 |
|
| 1021 |
case 0x00040000: |
| 1022 |
brightness = 3;
|
| 1023 |
break;
|
| 1024 |
|
| 1025 |
case 0x00010006: |
| 1026 |
brightness = 4;
|
| 1027 |
break;
|
| 1028 |
|
| 1029 |
case 0x00020005: |
| 1030 |
brightness = 5;
|
| 1031 |
break;
|
| 1032 |
|
| 1033 |
case 0x00040003: |
| 1034 |
brightness = 6;
|
| 1035 |
break;
|
| 1036 |
|
| 1037 |
case 0x00030004: |
| 1038 |
default:
|
| 1039 |
brightness = 7;
|
| 1040 |
} |
| 1041 |
|
| 1042 |
/* set lcd brightness GPIOs */
|
| 1043 |
for (i = 0; i <= 2; i++) { |
| 1044 |
qemu_set_irq(s->out[i], (brightness >> i) & 1);
|
| 1045 |
} |
| 1046 |
} |
| 1047 |
|
| 1048 |
static void musicpal_gpio_pin_event(void *opaque, int pin, int level) |
| 1049 |
{
|
| 1050 |
musicpal_gpio_state *s = opaque; |
| 1051 |
uint32_t mask = 1 << pin;
|
| 1052 |
uint32_t delta = level << pin; |
| 1053 |
uint32_t old = s->in_state & mask; |
| 1054 |
|
| 1055 |
s->in_state &= ~mask; |
| 1056 |
s->in_state |= delta; |
| 1057 |
|
| 1058 |
if ((old ^ delta) &&
|
| 1059 |
((level && (s->imr & mask)) || (!level && (s->ier & mask)))) {
|
| 1060 |
s->isr = mask; |
| 1061 |
qemu_irq_raise(s->irq); |
| 1062 |
} |
| 1063 |
} |
| 1064 |
|
| 1065 |
static uint32_t musicpal_gpio_read(void *opaque, target_phys_addr_t offset) |
| 1066 |
{
|
| 1067 |
musicpal_gpio_state *s = opaque; |
| 1068 |
|
| 1069 |
switch (offset) {
|
| 1070 |
case MP_GPIO_OE_HI: /* used for LCD brightness control */ |
| 1071 |
return s->lcd_brightness & MP_OE_LCD_BRIGHTNESS;
|
| 1072 |
|
| 1073 |
case MP_GPIO_OUT_LO:
|
| 1074 |
return s->out_state & 0xFFFF; |
| 1075 |
case MP_GPIO_OUT_HI:
|
| 1076 |
return s->out_state >> 16; |
| 1077 |
|
| 1078 |
case MP_GPIO_IN_LO:
|
| 1079 |
return s->in_state & 0xFFFF; |
| 1080 |
case MP_GPIO_IN_HI:
|
| 1081 |
return s->in_state >> 16; |
| 1082 |
|
| 1083 |
case MP_GPIO_IER_LO:
|
| 1084 |
return s->ier & 0xFFFF; |
| 1085 |
case MP_GPIO_IER_HI:
|
| 1086 |
return s->ier >> 16; |
| 1087 |
|
| 1088 |
case MP_GPIO_IMR_LO:
|
| 1089 |
return s->imr & 0xFFFF; |
| 1090 |
case MP_GPIO_IMR_HI:
|
| 1091 |
return s->imr >> 16; |
| 1092 |
|
| 1093 |
case MP_GPIO_ISR_LO:
|
| 1094 |
return s->isr & 0xFFFF; |
| 1095 |
case MP_GPIO_ISR_HI:
|
| 1096 |
return s->isr >> 16; |
| 1097 |
|
| 1098 |
default:
|
| 1099 |
return 0; |
| 1100 |
} |
| 1101 |
} |
| 1102 |
|
| 1103 |
static void musicpal_gpio_write(void *opaque, target_phys_addr_t offset, |
| 1104 |
uint32_t value) |
| 1105 |
{
|
| 1106 |
musicpal_gpio_state *s = opaque; |
| 1107 |
switch (offset) {
|
| 1108 |
case MP_GPIO_OE_HI: /* used for LCD brightness control */ |
| 1109 |
s->lcd_brightness = (s->lcd_brightness & MP_GPIO_LCD_BRIGHTNESS) | |
| 1110 |
(value & MP_OE_LCD_BRIGHTNESS); |
| 1111 |
musicpal_gpio_brightness_update(s); |
| 1112 |
break;
|
| 1113 |
|
| 1114 |
case MP_GPIO_OUT_LO:
|
| 1115 |
s->out_state = (s->out_state & 0xFFFF0000) | (value & 0xFFFF); |
| 1116 |
break;
|
| 1117 |
case MP_GPIO_OUT_HI:
|
| 1118 |
s->out_state = (s->out_state & 0xFFFF) | (value << 16); |
| 1119 |
s->lcd_brightness = (s->lcd_brightness & 0xFFFF) |
|
| 1120 |
(s->out_state & MP_GPIO_LCD_BRIGHTNESS); |
| 1121 |
musicpal_gpio_brightness_update(s); |
| 1122 |
qemu_set_irq(s->out[3], (s->out_state >> MP_GPIO_I2C_DATA_BIT) & 1); |
| 1123 |
qemu_set_irq(s->out[4], (s->out_state >> MP_GPIO_I2C_CLOCK_BIT) & 1); |
| 1124 |
break;
|
| 1125 |
|
| 1126 |
case MP_GPIO_IER_LO:
|
| 1127 |
s->ier = (s->ier & 0xFFFF0000) | (value & 0xFFFF); |
| 1128 |
break;
|
| 1129 |
case MP_GPIO_IER_HI:
|
| 1130 |
s->ier = (s->ier & 0xFFFF) | (value << 16); |
| 1131 |
break;
|
| 1132 |
|
| 1133 |
case MP_GPIO_IMR_LO:
|
| 1134 |
s->imr = (s->imr & 0xFFFF0000) | (value & 0xFFFF); |
| 1135 |
break;
|
| 1136 |
case MP_GPIO_IMR_HI:
|
| 1137 |
s->imr = (s->imr & 0xFFFF) | (value << 16); |
| 1138 |
break;
|
| 1139 |
} |
| 1140 |
} |
| 1141 |
|
| 1142 |
static CPUReadMemoryFunc * const musicpal_gpio_readfn[] = { |
| 1143 |
musicpal_gpio_read, |
| 1144 |
musicpal_gpio_read, |
| 1145 |
musicpal_gpio_read, |
| 1146 |
}; |
| 1147 |
|
| 1148 |
static CPUWriteMemoryFunc * const musicpal_gpio_writefn[] = { |
| 1149 |
musicpal_gpio_write, |
| 1150 |
musicpal_gpio_write, |
| 1151 |
musicpal_gpio_write, |
| 1152 |
}; |
| 1153 |
|
| 1154 |
static void musicpal_gpio_reset(void *opaque) |
| 1155 |
{
|
| 1156 |
musicpal_gpio_state *s = opaque; |
| 1157 |
|
| 1158 |
s->lcd_brightness = 0;
|
| 1159 |
s->out_state = 0;
|
| 1160 |
s->in_state = 0xffffffff;
|
| 1161 |
s->ier = 0;
|
| 1162 |
s->imr = 0;
|
| 1163 |
s->isr = 0;
|
| 1164 |
} |
| 1165 |
|
| 1166 |
static int musicpal_gpio_init(SysBusDevice *dev) |
| 1167 |
{
|
| 1168 |
musicpal_gpio_state *s = FROM_SYSBUS(musicpal_gpio_state, dev); |
| 1169 |
int iomemtype;
|
| 1170 |
|
| 1171 |
sysbus_init_irq(dev, &s->irq); |
| 1172 |
|
| 1173 |
iomemtype = cpu_register_io_memory(musicpal_gpio_readfn, |
| 1174 |
musicpal_gpio_writefn, s); |
| 1175 |
sysbus_init_mmio(dev, MP_GPIO_SIZE, iomemtype); |
| 1176 |
|
| 1177 |
qemu_register_reset(musicpal_gpio_reset, s); |
| 1178 |
musicpal_gpio_reset(s); |
| 1179 |
|
| 1180 |
qdev_init_gpio_out(&dev->qdev, s->out, ARRAY_SIZE(s->out)); |
| 1181 |
|
| 1182 |
qdev_init_gpio_in(&dev->qdev, musicpal_gpio_pin_event, 32);
|
| 1183 |
|
| 1184 |
return 0; |
| 1185 |
} |
| 1186 |
|
| 1187 |
static SysBusDeviceInfo musicpal_gpio_info = {
|
| 1188 |
.init = musicpal_gpio_init, |
| 1189 |
.qdev.name = "musicpal_gpio",
|
| 1190 |
.qdev.size = sizeof(musicpal_gpio_state),
|
| 1191 |
.qdev.reset = musicpal_gpio_reset, |
| 1192 |
}; |
| 1193 |
|
| 1194 |
/* Keyboard codes & masks */
|
| 1195 |
#define KEY_RELEASED 0x80 |
| 1196 |
#define KEY_CODE 0x7f |
| 1197 |
|
| 1198 |
#define KEYCODE_TAB 0x0f |
| 1199 |
#define KEYCODE_ENTER 0x1c |
| 1200 |
#define KEYCODE_F 0x21 |
| 1201 |
#define KEYCODE_M 0x32 |
| 1202 |
|
| 1203 |
#define KEYCODE_EXTENDED 0xe0 |
| 1204 |
#define KEYCODE_UP 0x48 |
| 1205 |
#define KEYCODE_DOWN 0x50 |
| 1206 |
#define KEYCODE_LEFT 0x4b |
| 1207 |
#define KEYCODE_RIGHT 0x4d |
| 1208 |
|
| 1209 |
#define MP_KEY_WHEEL_VOL (1 << 0) |
| 1210 |
#define MP_KEY_WHEEL_VOL_INV (1 << 1) |
| 1211 |
#define MP_KEY_WHEEL_NAV (1 << 2) |
| 1212 |
#define MP_KEY_WHEEL_NAV_INV (1 << 3) |
| 1213 |
#define MP_KEY_BTN_FAVORITS (1 << 4) |
| 1214 |
#define MP_KEY_BTN_MENU (1 << 5) |
| 1215 |
#define MP_KEY_BTN_VOLUME (1 << 6) |
| 1216 |
#define MP_KEY_BTN_NAVIGATION (1 << 7) |
| 1217 |
|
| 1218 |
typedef struct musicpal_key_state { |
| 1219 |
SysBusDevice busdev; |
| 1220 |
uint32_t kbd_extended; |
| 1221 |
uint32_t pressed_keys; |
| 1222 |
qemu_irq out[8];
|
| 1223 |
} musicpal_key_state; |
| 1224 |
|
| 1225 |
static void musicpal_key_event(void *opaque, int keycode) |
| 1226 |
{
|
| 1227 |
musicpal_key_state *s = opaque; |
| 1228 |
uint32_t event = 0;
|
| 1229 |
int i;
|
| 1230 |
|
| 1231 |
if (keycode == KEYCODE_EXTENDED) {
|
| 1232 |
s->kbd_extended = 1;
|
| 1233 |
return;
|
| 1234 |
} |
| 1235 |
|
| 1236 |
if (s->kbd_extended) {
|
| 1237 |
switch (keycode & KEY_CODE) {
|
| 1238 |
case KEYCODE_UP:
|
| 1239 |
event = MP_KEY_WHEEL_NAV | MP_KEY_WHEEL_NAV_INV; |
| 1240 |
break;
|
| 1241 |
|
| 1242 |
case KEYCODE_DOWN:
|
| 1243 |
event = MP_KEY_WHEEL_NAV; |
| 1244 |
break;
|
| 1245 |
|
| 1246 |
case KEYCODE_LEFT:
|
| 1247 |
event = MP_KEY_WHEEL_VOL | MP_KEY_WHEEL_VOL_INV; |
| 1248 |
break;
|
| 1249 |
|
| 1250 |
case KEYCODE_RIGHT:
|
| 1251 |
event = MP_KEY_WHEEL_VOL; |
| 1252 |
break;
|
| 1253 |
} |
| 1254 |
} else {
|
| 1255 |
switch (keycode & KEY_CODE) {
|
| 1256 |
case KEYCODE_F:
|
| 1257 |
event = MP_KEY_BTN_FAVORITS; |
| 1258 |
break;
|
| 1259 |
|
| 1260 |
case KEYCODE_TAB:
|
| 1261 |
event = MP_KEY_BTN_VOLUME; |
| 1262 |
break;
|
| 1263 |
|
| 1264 |
case KEYCODE_ENTER:
|
| 1265 |
event = MP_KEY_BTN_NAVIGATION; |
| 1266 |
break;
|
| 1267 |
|
| 1268 |
case KEYCODE_M:
|
| 1269 |
event = MP_KEY_BTN_MENU; |
| 1270 |
break;
|
| 1271 |
} |
| 1272 |
/* Do not repeat already pressed buttons */
|
| 1273 |
if (!(keycode & KEY_RELEASED) && (s->pressed_keys & event)) {
|
| 1274 |
event = 0;
|
| 1275 |
} |
| 1276 |
} |
| 1277 |
|
| 1278 |
if (event) {
|
| 1279 |
/* Raise GPIO pin first if repeating a key */
|
| 1280 |
if (!(keycode & KEY_RELEASED) && (s->pressed_keys & event)) {
|
| 1281 |
for (i = 0; i <= 7; i++) { |
| 1282 |
if (event & (1 << i)) { |
| 1283 |
qemu_set_irq(s->out[i], 1);
|
| 1284 |
} |
| 1285 |
} |
| 1286 |
} |
| 1287 |
for (i = 0; i <= 7; i++) { |
| 1288 |
if (event & (1 << i)) { |
| 1289 |
qemu_set_irq(s->out[i], !!(keycode & KEY_RELEASED)); |
| 1290 |
} |
| 1291 |
} |
| 1292 |
if (keycode & KEY_RELEASED) {
|
| 1293 |
s->pressed_keys &= ~event; |
| 1294 |
} else {
|
| 1295 |
s->pressed_keys |= event; |
| 1296 |
} |
| 1297 |
} |
| 1298 |
|
| 1299 |
s->kbd_extended = 0;
|
| 1300 |
} |
| 1301 |
|
| 1302 |
static int musicpal_key_init(SysBusDevice *dev) |
| 1303 |
{
|
| 1304 |
musicpal_key_state *s = FROM_SYSBUS(musicpal_key_state, dev); |
| 1305 |
|
| 1306 |
sysbus_init_mmio(dev, 0x0, 0); |
| 1307 |
|
| 1308 |
s->kbd_extended = 0;
|
| 1309 |
s->pressed_keys = 0;
|
| 1310 |
|
| 1311 |
qdev_init_gpio_out(&dev->qdev, s->out, ARRAY_SIZE(s->out)); |
| 1312 |
|
| 1313 |
qemu_add_kbd_event_handler(musicpal_key_event, s); |
| 1314 |
|
| 1315 |
return 0; |
| 1316 |
} |
| 1317 |
|
| 1318 |
static struct arm_boot_info musicpal_binfo = { |
| 1319 |
.loader_start = 0x0,
|
| 1320 |
.board_id = 0x20e,
|
| 1321 |
}; |
| 1322 |
|
| 1323 |
static void musicpal_init(ram_addr_t ram_size, |
| 1324 |
const char *boot_device, |
| 1325 |
const char *kernel_filename, const char *kernel_cmdline, |
| 1326 |
const char *initrd_filename, const char *cpu_model) |
| 1327 |
{
|
| 1328 |
CPUState *env; |
| 1329 |
qemu_irq *cpu_pic; |
| 1330 |
qemu_irq pic[32];
|
| 1331 |
DeviceState *dev; |
| 1332 |
DeviceState *i2c_dev; |
| 1333 |
DeviceState *lcd_dev; |
| 1334 |
DeviceState *key_dev; |
| 1335 |
#ifdef HAS_AUDIO
|
| 1336 |
DeviceState *wm8750_dev; |
| 1337 |
SysBusDevice *s; |
| 1338 |
#endif
|
| 1339 |
i2c_bus *i2c; |
| 1340 |
int i;
|
| 1341 |
unsigned long flash_size; |
| 1342 |
DriveInfo *dinfo; |
| 1343 |
ram_addr_t sram_off; |
| 1344 |
|
| 1345 |
if (!cpu_model) {
|
| 1346 |
cpu_model = "arm926";
|
| 1347 |
} |
| 1348 |
env = cpu_init(cpu_model); |
| 1349 |
if (!env) {
|
| 1350 |
fprintf(stderr, "Unable to find CPU definition\n");
|
| 1351 |
exit(1);
|
| 1352 |
} |
| 1353 |
cpu_pic = arm_pic_init_cpu(env); |
| 1354 |
|
| 1355 |
/* For now we use a fixed - the original - RAM size */
|
| 1356 |
cpu_register_physical_memory(0, MP_RAM_DEFAULT_SIZE,
|
| 1357 |
qemu_ram_alloc(MP_RAM_DEFAULT_SIZE)); |
| 1358 |
|
| 1359 |
sram_off = qemu_ram_alloc(MP_SRAM_SIZE); |
| 1360 |
cpu_register_physical_memory(MP_SRAM_BASE, MP_SRAM_SIZE, sram_off); |
| 1361 |
|
| 1362 |
dev = sysbus_create_simple("mv88w8618_pic", MP_PIC_BASE,
|
| 1363 |
cpu_pic[ARM_PIC_CPU_IRQ]); |
| 1364 |
for (i = 0; i < 32; i++) { |
| 1365 |
pic[i] = qdev_get_gpio_in(dev, i); |
| 1366 |
} |
| 1367 |
sysbus_create_varargs("mv88w8618_pit", MP_PIT_BASE, pic[MP_TIMER1_IRQ],
|
| 1368 |
pic[MP_TIMER2_IRQ], pic[MP_TIMER3_IRQ], |
| 1369 |
pic[MP_TIMER4_IRQ], NULL);
|
| 1370 |
|
| 1371 |
if (serial_hds[0]) { |
| 1372 |
serial_mm_init(MP_UART1_BASE, 2, pic[MP_UART1_IRQ], 1825000, |
| 1373 |
serial_hds[0], 1); |
| 1374 |
} |
| 1375 |
if (serial_hds[1]) { |
| 1376 |
serial_mm_init(MP_UART2_BASE, 2, pic[MP_UART2_IRQ], 1825000, |
| 1377 |
serial_hds[1], 1); |
| 1378 |
} |
| 1379 |
|
| 1380 |
/* Register flash */
|
| 1381 |
dinfo = drive_get(IF_PFLASH, 0, 0); |
| 1382 |
if (dinfo) {
|
| 1383 |
flash_size = bdrv_getlength(dinfo->bdrv); |
| 1384 |
if (flash_size != 8*1024*1024 && flash_size != 16*1024*1024 && |
| 1385 |
flash_size != 32*1024*1024) { |
| 1386 |
fprintf(stderr, "Invalid flash image size\n");
|
| 1387 |
exit(1);
|
| 1388 |
} |
| 1389 |
|
| 1390 |
/*
|
| 1391 |
* The original U-Boot accesses the flash at 0xFE000000 instead of
|
| 1392 |
* 0xFF800000 (if there is 8 MB flash). So remap flash access if the
|
| 1393 |
* image is smaller than 32 MB.
|
| 1394 |
*/
|
| 1395 |
pflash_cfi02_register(0-MP_FLASH_SIZE_MAX, qemu_ram_alloc(flash_size),
|
| 1396 |
dinfo->bdrv, 0x10000,
|
| 1397 |
(flash_size + 0xffff) >> 16, |
| 1398 |
MP_FLASH_SIZE_MAX / flash_size, |
| 1399 |
2, 0x00BF, 0x236D, 0x0000, 0x0000, |
| 1400 |
0x5555, 0x2AAA); |
| 1401 |
} |
| 1402 |
sysbus_create_simple("mv88w8618_flashcfg", MP_FLASHCFG_BASE, NULL); |
| 1403 |
|
| 1404 |
qemu_check_nic_model(&nd_table[0], "mv88w8618"); |
| 1405 |
dev = qdev_create(NULL, "mv88w8618_eth"); |
| 1406 |
dev->nd = &nd_table[0];
|
| 1407 |
qdev_init(dev); |
| 1408 |
sysbus_mmio_map(sysbus_from_qdev(dev), 0, MP_ETH_BASE);
|
| 1409 |
sysbus_connect_irq(sysbus_from_qdev(dev), 0, pic[MP_ETH_IRQ]);
|
| 1410 |
|
| 1411 |
sysbus_create_simple("mv88w8618_wlan", MP_WLAN_BASE, NULL); |
| 1412 |
|
| 1413 |
musicpal_misc_init(); |
| 1414 |
|
| 1415 |
dev = sysbus_create_simple("musicpal_gpio", MP_GPIO_BASE, pic[MP_GPIO_IRQ]);
|
| 1416 |
i2c_dev = sysbus_create_simple("bitbang_i2c", 0, NULL); |
| 1417 |
i2c = (i2c_bus *)qdev_get_child_bus(i2c_dev, "i2c");
|
| 1418 |
|
| 1419 |
lcd_dev = sysbus_create_simple("musicpal_lcd", MP_LCD_BASE, NULL); |
| 1420 |
key_dev = sysbus_create_simple("musicpal_key", 0, NULL); |
| 1421 |
|
| 1422 |
/* I2C read data */
|
| 1423 |
qdev_connect_gpio_out(i2c_dev, 0,
|
| 1424 |
qdev_get_gpio_in(dev, MP_GPIO_I2C_DATA_BIT)); |
| 1425 |
/* I2C data */
|
| 1426 |
qdev_connect_gpio_out(dev, 3, qdev_get_gpio_in(i2c_dev, 0)); |
| 1427 |
/* I2C clock */
|
| 1428 |
qdev_connect_gpio_out(dev, 4, qdev_get_gpio_in(i2c_dev, 1)); |
| 1429 |
|
| 1430 |
for (i = 0; i < 3; i++) { |
| 1431 |
qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(lcd_dev, i)); |
| 1432 |
} |
| 1433 |
for (i = 0; i < 4; i++) { |
| 1434 |
qdev_connect_gpio_out(key_dev, i, qdev_get_gpio_in(dev, i + 8));
|
| 1435 |
} |
| 1436 |
for (i = 4; i < 8; i++) { |
| 1437 |
qdev_connect_gpio_out(key_dev, i, qdev_get_gpio_in(dev, i + 15));
|
| 1438 |
} |
| 1439 |
|
| 1440 |
#ifdef HAS_AUDIO
|
| 1441 |
wm8750_dev = i2c_create_slave(i2c, "wm8750", MP_WM_ADDR);
|
| 1442 |
dev = qdev_create(NULL, "mv88w8618_audio"); |
| 1443 |
s = sysbus_from_qdev(dev); |
| 1444 |
qdev_prop_set_ptr(dev, "wm8750", wm8750_dev);
|
| 1445 |
qdev_init(dev); |
| 1446 |
sysbus_mmio_map(s, 0, MP_AUDIO_BASE);
|
| 1447 |
sysbus_connect_irq(s, 0, pic[MP_AUDIO_IRQ]);
|
| 1448 |
#endif
|
| 1449 |
|
| 1450 |
musicpal_binfo.ram_size = MP_RAM_DEFAULT_SIZE; |
| 1451 |
musicpal_binfo.kernel_filename = kernel_filename; |
| 1452 |
musicpal_binfo.kernel_cmdline = kernel_cmdline; |
| 1453 |
musicpal_binfo.initrd_filename = initrd_filename; |
| 1454 |
arm_load_kernel(env, &musicpal_binfo); |
| 1455 |
} |
| 1456 |
|
| 1457 |
static QEMUMachine musicpal_machine = {
|
| 1458 |
.name = "musicpal",
|
| 1459 |
.desc = "Marvell 88w8618 / MusicPal (ARM926EJ-S)",
|
| 1460 |
.init = musicpal_init, |
| 1461 |
}; |
| 1462 |
|
| 1463 |
static void musicpal_machine_init(void) |
| 1464 |
{
|
| 1465 |
qemu_register_machine(&musicpal_machine); |
| 1466 |
} |
| 1467 |
|
| 1468 |
machine_init(musicpal_machine_init); |
| 1469 |
|
| 1470 |
static void musicpal_register_devices(void) |
| 1471 |
{
|
| 1472 |
sysbus_register_dev("mv88w8618_pic", sizeof(mv88w8618_pic_state), |
| 1473 |
mv88w8618_pic_init); |
| 1474 |
sysbus_register_withprop(&mv88w8618_pit_info); |
| 1475 |
sysbus_register_dev("mv88w8618_flashcfg", sizeof(mv88w8618_flashcfg_state), |
| 1476 |
mv88w8618_flashcfg_init); |
| 1477 |
sysbus_register_dev("mv88w8618_eth", sizeof(mv88w8618_eth_state), |
| 1478 |
mv88w8618_eth_init); |
| 1479 |
sysbus_register_dev("mv88w8618_wlan", sizeof(SysBusDevice), |
| 1480 |
mv88w8618_wlan_init); |
| 1481 |
sysbus_register_dev("musicpal_lcd", sizeof(musicpal_lcd_state), |
| 1482 |
musicpal_lcd_init); |
| 1483 |
sysbus_register_withprop(&musicpal_gpio_info); |
| 1484 |
sysbus_register_dev("musicpal_key", sizeof(musicpal_key_state), |
| 1485 |
musicpal_key_init); |
| 1486 |
} |
| 1487 |
|
| 1488 |
device_init(musicpal_register_devices) |