diff options
Diffstat (limited to 'arch/powerpc/boot/mvme7100.c')
-rw-r--r-- | arch/powerpc/boot/mvme7100.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/arch/powerpc/boot/mvme7100.c b/arch/powerpc/boot/mvme7100.c new file mode 100644 index 000000000..1e218454a --- /dev/null +++ b/arch/powerpc/boot/mvme7100.c @@ -0,0 +1,54 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Motload compatibility for the Emerson/Artesyn MVME7100 + * + * Copyright 2016 Elettra-Sincrotrone Trieste S.C.p.A. + * + * Author: Alessio Igor Bogani <alessio.bogani@elettra.eu> + */ + +#include "ops.h" +#include "stdio.h" +#include "cuboot.h" + +#define TARGET_86xx +#define TARGET_HAS_ETH1 +#define TARGET_HAS_ETH2 +#define TARGET_HAS_ETH3 +#include "ppcboot.h" + +static bd_t bd; + +BSS_STACK(16384); + +static void mvme7100_fixups(void) +{ + void *devp; + unsigned long busfreq = bd.bi_busfreq * 1000000; + + dt_fixup_cpu_clocks(bd.bi_intfreq * 1000000, busfreq / 4, busfreq); + + devp = finddevice("/soc@f1000000"); + if (devp) + setprop(devp, "bus-frequency", &busfreq, sizeof(busfreq)); + + devp = finddevice("/soc/serial@4500"); + if (devp) + setprop(devp, "clock-frequency", &busfreq, sizeof(busfreq)); + + dt_fixup_memory(bd.bi_memstart, bd.bi_memsize); + + dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr); + dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr); + dt_fixup_mac_address_by_alias("ethernet2", bd.bi_enet2addr); + dt_fixup_mac_address_by_alias("ethernet3", bd.bi_enet3addr); +} + +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7) +{ + CUBOOT_INIT(); + fdt_init(_dtb_start); + serial_console_init(); + platform_ops.fixups = mvme7100_fixups; +} |