diff options
Diffstat (limited to 'hw/etraxfs.c')
| -rw-r--r-- | hw/etraxfs.c | 61 |
1 files changed, 42 insertions, 19 deletions
diff --git a/hw/etraxfs.c b/hw/etraxfs.c index a95115da13..19ec21c37f 100644 --- a/hw/etraxfs.c +++ b/hw/etraxfs.c @@ -24,10 +24,14 @@ #include <time.h> #include <sys/time.h> #include "hw.h" -#include "sysemu.h" +#include "net.h" #include "flash.h" +#include "sysemu.h" +#include "devices.h" #include "boards.h" +#include "etraxfs_dma.h" + static void main_cpu_reset(void *opaque) { CPUState *env = opaque; @@ -36,14 +40,18 @@ static void main_cpu_reset(void *opaque) /* Init functions for different blocks. */ extern qemu_irq *etraxfs_pic_init(CPUState *env, target_phys_addr_t base); -void etraxfs_timer_init(CPUState *env, qemu_irq *irqs, +void etraxfs_timer_init(CPUState *env, qemu_irq *irqs, target_phys_addr_t base); +void *etraxfs_eth_init(NICInfo *nd, CPUState *env, + qemu_irq *irq, target_phys_addr_t base); void etraxfs_ser_init(CPUState *env, qemu_irq *irq, CharDriverState *chr, target_phys_addr_t base); #define FLASH_SIZE 0x2000000 #define INTMEM_SIZE (128 * 1024) +static void *etraxfs_dmac; + static void bareetraxfs_init (ram_addr_t ram_size, int vga_ram_size, const char *boot_device, DisplayState *ds, @@ -52,8 +60,9 @@ void bareetraxfs_init (ram_addr_t ram_size, int vga_ram_size, { CPUState *env; qemu_irq *pic; + struct etraxfs_dma_client *eth0; int kernel_size; - int index; + int i; ram_addr_t phys_ram; ram_addr_t phys_intmem; @@ -84,23 +93,36 @@ void bareetraxfs_init (ram_addr_t ram_size, int vga_ram_size, cpu_register_physical_memory(0x04000000, FLASH_SIZE, IO_MEM_ROM); cpu_register_physical_memory(0x84000000, FLASH_SIZE, 0x04000000 | IO_MEM_ROM); - index = drive_get_index(IF_PFLASH, 0, 0); - pflash_cfi01_register(0x80000000, FLASH_SIZE, - drives_table[index].bdrv, 65536, FLASH_SIZE >> 16, - 4, 0x0000, 0x0000, 0x0000, 0x0000); + i = drive_get_index(IF_PFLASH, 0, 0); + pflash_cfi02_register(0x80000000, qemu_ram_alloc(FLASH_SIZE), + drives_table[i].bdrv, (64 * 1024), + FLASH_SIZE >> 16, + 1, 2, 0x0000, 0x0000, 0x0000, 0x0000, 0x555, 0x2aa); pic = etraxfs_pic_init(env, 0xb001c000); + etraxfs_dmac = etraxfs_dmac_init(env, 0xb0000000, 10); + for (i = 0; i < 10; i++) { + /* On ETRAX, odd numbered channels are inputs. */ + etraxfs_dmac_connect(etraxfs_dmac, i, pic + 7 + i, i & 1); + } + + /* It has 2, but let's start with one ethernet block. */ + eth0 = etraxfs_eth_init(&nd_table[0], env, pic + 25, 0xb0034000); + + /* The DMA Connector block is missing, hardwire things for now. */ + etraxfs_dmac_connect_client(etraxfs_dmac, 0, eth0); + etraxfs_dmac_connect_client(etraxfs_dmac, 1, eth0 + 1); + /* 2 timers. */ - etraxfs_timer_init(env, pic + 26, 0xb001e000); - etraxfs_timer_init(env, pic + 26, 0xb005e000); - /* 4 serial ports. */ - etraxfs_ser_init(env, pic + 19, serial_hds[0], 0xb0026000); - if (serial_hds[1]) - etraxfs_ser_init(env, pic + 20, serial_hds[1], 0xb0028000); - if (serial_hds[2]) - etraxfs_ser_init(env, pic + 21, serial_hds[2], 0xb002a000); - if (serial_hds[3]) - etraxfs_ser_init(env, pic + 22, serial_hds[3], 0xb002c000); + etraxfs_timer_init(env, pic + 0x1b, 0xb001e000); + etraxfs_timer_init(env, pic + 0x1b, 0xb005e000); + + for (i = 0; i < 4; i++) { + if (serial_hds[i]) { + etraxfs_ser_init(env, pic + 0x14 + i, + serial_hds[i], 0xb0026000 + i * 0x2000); + } + } #if 1 /* Boots a kernel elf binary, os/linux-2.6/vmlinux from the axis devboard @@ -126,7 +148,7 @@ void bareetraxfs_init (ram_addr_t ram_size, int vga_ram_size, } printf ("pc =%x\n", env->pc); - printf ("ram size =%d\n", ram_size); + printf ("ram size =%ld\n", ram_size); printf ("kernel name =%s\n", kernel_filename); printf ("kernel size =%d\n", kernel_size); printf ("cpu haltd =%d\n", env->halted); @@ -134,11 +156,12 @@ void bareetraxfs_init (ram_addr_t ram_size, int vga_ram_size, void DMA_run(void) { + etraxfs_dmac_run(etraxfs_dmac); } QEMUMachine bareetraxfs_machine = { "bareetraxfs", "Bare ETRAX FS board", bareetraxfs_init, - 0x800000, + 0x4000000, }; |