gwj / at91sam9263 · Commits

Commit b01cde7bdf81d7bf1ea31b2ff100ddcc8880c068

Authored by edgar_igl
1 parent 60237223

ETRAX-FS board: Add more flash and internal memory. Select interrupt nr for the 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4302 c046a42c-6fe2-441c-8c8c-71466251a162
Inline Side-by-side
Showing 1 changed file with 37 additions and 21 deletions
hw/etraxfs.c
  View file @b01cde7
... ... @@ -38,7 +38,11 @@ static void main_cpu_reset(void *opaque)
38 38 extern qemu_irq *etraxfs_pic_init(CPUState *env, target_phys_addr_t base);
39 39 void etraxfs_timer_init(CPUState *env, qemu_irq *irqs,
40 40 target_phys_addr_t base);
41   -void etraxfs_ser_init(CPUState *env, qemu_irq *irqs, target_phys_addr_t base);
  41 +void etraxfs_ser_init(CPUState *env, qemu_irq *irq, CharDriverState *chr,
  42 + target_phys_addr_t base);
  43 +
  44 +#define FLASH_SIZE 0x2000000
  45 +#define INTMEM_SIZE (128 * 1024)
42 46  
43 47 static
44 48 void bareetraxfs_init (ram_addr_t ram_size, int vga_ram_size,
... ... @@ -49,10 +53,9 @@ void bareetraxfs_init (ram_addr_t ram_size, int vga_ram_size,
49 53 CPUState *env;
50 54 qemu_irq *pic;
51 55 int kernel_size;
52   - int flash_size = 0x800000;
53 56 int index;
54   - ram_addr_t phys_flash;
55 57 ram_addr_t phys_ram;
  58 + ram_addr_t phys_intmem;
56 59  
57 60 /* init CPUs */
58 61 if (cpu_model == NULL) {
... ... @@ -68,36 +71,49 @@ void bareetraxfs_init (ram_addr_t ram_size, int vga_ram_size,
68 71 /* Unached mapping. */
69 72 cpu_register_physical_memory(0xc0000000, ram_size, phys_ram | IO_MEM_RAM);
70 73  
71   - phys_flash = qemu_ram_alloc(flash_size);
72   - cpu_register_physical_memory(0,flash_size, IO_MEM_ROM);
73   - cpu_register_physical_memory(0x80000000, flash_size, IO_MEM_ROM);
74   - cpu_register_physical_memory(0x04000000, flash_size, IO_MEM_ROM);
75   - cpu_register_physical_memory(0x84000000, flash_size,
  74 + /* The ETRAX-FS has 128Kb on chip ram, the docs refer to it as the
  75 + internal memory. Cached and uncached mappings. */
  76 + phys_intmem = qemu_ram_alloc(INTMEM_SIZE);
  77 + cpu_register_physical_memory(0xb8000000, INTMEM_SIZE,
  78 + phys_intmem | IO_MEM_RAM);
  79 + cpu_register_physical_memory(0x38000000, INTMEM_SIZE,
  80 + phys_intmem | IO_MEM_RAM);
  81 +
  82 + cpu_register_physical_memory(0, FLASH_SIZE, IO_MEM_ROM);
  83 + cpu_register_physical_memory(0x80000000, FLASH_SIZE, IO_MEM_ROM);
  84 + cpu_register_physical_memory(0x04000000, FLASH_SIZE, IO_MEM_ROM);
  85 + cpu_register_physical_memory(0x84000000, FLASH_SIZE,
76 86 0x04000000 | IO_MEM_ROM);
77 87 index = drive_get_index(IF_PFLASH, 0, 0);
78   - pflash_cfi01_register(0x80000000, flash_size,
79   - drives_table[index].bdrv, 65536, flash_size >> 16,
80   - 4, 0x0000, 0x0000, 0x0000, 0x0000);
81   - index = drive_get_index(IF_PFLASH, 0, 1);
82   - pflash_cfi01_register(0x84000000, flash_size,
83   - drives_table[index].bdrv, 65536, flash_size >> 16,
  88 + pflash_cfi01_register(0x80000000, FLASH_SIZE,
  89 + drives_table[index].bdrv, 65536, FLASH_SIZE >> 16,
84 90 4, 0x0000, 0x0000, 0x0000, 0x0000);
85 91  
86 92 pic = etraxfs_pic_init(env, 0xb001c000);
87 93 /* 2 timers. */
88   - etraxfs_timer_init(env, pic, 0xb001e000);
89   - etraxfs_timer_init(env, pic, 0xb005e000);
  94 + etraxfs_timer_init(env, pic + 26, 0xb001e000);
  95 + etraxfs_timer_init(env, pic + 26, 0xb005e000);
90 96 /* 4 serial ports. */
91   - etraxfs_ser_init(env, pic, 0xb0026000);
92   - etraxfs_ser_init(env, pic, 0xb0028000);
93   - etraxfs_ser_init(env, pic, 0xb002a000);
94   - etraxfs_ser_init(env, pic, 0xb002c000);
  97 + etraxfs_ser_init(env, pic + 19, serial_hds[0], 0xb0026000);
  98 + if (serial_hds[1])
  99 + etraxfs_ser_init(env, pic + 20, serial_hds[1], 0xb0028000);
  100 + if (serial_hds[2])
  101 + etraxfs_ser_init(env, pic + 21, serial_hds[2], 0xb002a000);
  102 + if (serial_hds[3])
  103 + etraxfs_ser_init(env, pic + 22, serial_hds[3], 0xb002c000);
95 104  
  105 +#if 1
  106 + /* Boots a kernel elf binary, os/linux-2.6/vmlinux from the axis devboard
  107 + SDK. */
  108 + kernel_size = load_elf(kernel_filename, 0, &env->pc, NULL, NULL);
  109 +#else
  110 + /* Takes a kimage from the axis devboard SDK. */
96 111 kernel_size = load_image(kernel_filename, phys_ram_base + 0x4000);
  112 + env->pc = 0x40004000;
  113 +#endif
97 114 /* magic for boot. */
98 115 env->regs[8] = 0x56902387;
99 116 env->regs[9] = 0x40004000 + kernel_size;
100   - env->pc = 0x40004000;
101 117  
102 118 {
103 119 unsigned char *ptr = phys_ram_base + 0x4000;
... ...