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hw/openrisc/openrisc_sim: Parameterize initialization 

Move magic numbers to variables and enums. These will be reused for
upcoming fdt initialization.

Signed-off-by: Stafford Horne <shorne@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This commit is contained in:
Stafford Horne 2022-02-10 06:26:59 +09:00
parent f85ad231e4
commit 76f36985e5
1 changed files with 34 additions and 8 deletions
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42
hw/openrisc/openrisc_sim.c
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@ -49,6 +49,29 @@ typedef struct Or1ksimState {
} Or1ksimState;
enum {
OR1KSIM_DRAM,
OR1KSIM_UART,
OR1KSIM_ETHOC,
OR1KSIM_OMPIC,
};
enum {
OR1KSIM_OMPIC_IRQ = 1,
OR1KSIM_UART_IRQ = 2,
OR1KSIM_ETHOC_IRQ = 4,
};
static const struct MemmapEntry {
hwaddr base;
hwaddr size;
} or1ksim_memmap[] = {
[OR1KSIM_DRAM] = { 0x00000000, 0 },
[OR1KSIM_UART] = { 0x90000000, 0x100 },
[OR1KSIM_ETHOC] = { 0x92000000, 0x800 },
[OR1KSIM_OMPIC] = { 0x98000000, 16 },
};
static struct openrisc_boot_info {
uint32_t bootstrap_pc;
} boot_info;
@ -176,21 +199,24 @@ static void openrisc_sim_init(MachineState *machine)
memory_region_add_subregion(get_system_memory(), 0, ram);
if (nd_table[0].used) {
openrisc_sim_net_init(0x92000000, 0x92000400, smp_cpus,
cpus, 4, nd_table);
openrisc_sim_net_init(or1ksim_memmap[OR1KSIM_ETHOC].base,
or1ksim_memmap[OR1KSIM_ETHOC].base + 0x400,
smp_cpus, cpus,
OR1KSIM_ETHOC_IRQ, nd_table);
}
if (smp_cpus > 1) {
openrisc_sim_ompic_init(0x98000000, smp_cpus, cpus, 1);
openrisc_sim_ompic_init(or1ksim_memmap[OR1KSIM_OMPIC].base, smp_cpus,
cpus, OR1KSIM_OMPIC_IRQ);
serial_irq = qemu_irq_split(get_cpu_irq(cpus, 0, 2),
get_cpu_irq(cpus, 1, 2));
serial_irq = qemu_irq_split(get_cpu_irq(cpus, 0, OR1KSIM_UART_IRQ),
get_cpu_irq(cpus, 1, OR1KSIM_UART_IRQ));
} else {
serial_irq = get_cpu_irq(cpus, 0, 2);
serial_irq = get_cpu_irq(cpus, 0, OR1KSIM_UART_IRQ);
}
serial_mm_init(get_system_memory(), 0x90000000, 0, serial_irq,
115200, serial_hd(0), DEVICE_NATIVE_ENDIAN);
serial_mm_init(get_system_memory(), or1ksim_memmap[OR1KSIM_UART].base, 0,
serial_irq, 115200, serial_hd(0), DEVICE_NATIVE_ENDIAN);
openrisc_load_kernel(ram_size, kernel_filename);
}