diff options
Diffstat (limited to 'hw/arm')
| -rw-r--r-- | hw/arm/raspi.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c index a37881433c..1ac0737149 100644 --- a/hw/arm/raspi.c +++ b/hw/arm/raspi.c @@ -82,10 +82,19 @@ static void setup_boot(MachineState *machine, int version, size_t ram_size) binfo.board_id = raspi_boardid[version]; binfo.ram_size = ram_size; binfo.nb_cpus = smp_cpus; - binfo.board_setup_addr = BOARDSETUP_ADDR; - binfo.write_board_setup = write_board_setup; - binfo.secure_board_setup = true; - binfo.secure_boot = true; + + if (version <= 2) { + /* The rpi1 and 2 require some custom setup code to run in Secure + * mode before booting a kernel (to set up the SMC vectors so + * that we get a no-op SMC; this is used by Linux to call the + * firmware for some cache maintenance operations. + * The rpi3 doesn't need this. + */ + binfo.board_setup_addr = BOARDSETUP_ADDR; + binfo.write_board_setup = write_board_setup; + binfo.secure_board_setup = true; + binfo.secure_boot = true; + } /* Pi2 and Pi3 requires SMP setup */ if (version >= 2) { |