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hw/arm/raspi: Extract the processor type from the board revision 

The board revision encode the processor type. Add a helper
to extract the type, and use it.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200208165645.15657-6-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2020-02-08 17:56:37 +01:00 committed by Peter Maydell
parent f5bb124ecf
commit 2e664b45f4
1 changed files with 16 additions and 2 deletions
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18
hw/arm/raspi.c
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@ -67,6 +67,21 @@ static int board_version(uint32_t board_rev)
return board_processor_id(board_rev) + 1;
}
static const char *board_soc_type(uint32_t board_rev)
{
static const char *soc_types[] = {
NULL, TYPE_BCM2836, TYPE_BCM2837,
};
int proc_id = board_processor_id(board_rev);
if (proc_id >= ARRAY_SIZE(soc_types) || !soc_types[proc_id]) {
error_report("Unsupported processor id '%d' (board revision: 0x%x)",
proc_id, board_rev);
exit(1);
}
return soc_types[proc_id];
}
static void write_smpboot(ARMCPU *cpu, const struct arm_boot_info *info)
{
static const uint32_t smpboot[] = {
@ -213,8 +228,7 @@ static void raspi_init(MachineState *machine, uint32_t board_rev)
}
object_initialize_child(OBJECT(machine), "soc", &s->soc, sizeof(s->soc),
version == 3 ? TYPE_BCM2837 : TYPE_BCM2836,
&error_abort, NULL);
board_soc_type(board_rev), &error_abort, NULL);
/* Allocate and map RAM */
memory_region_allocate_system_memory(&s->ram, OBJECT(machine), "ram",