diff options
Diffstat (limited to 'src/soc/cavium/cn81xx/bootblock.c')
-rw-r--r-- | src/soc/cavium/cn81xx/bootblock.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/soc/cavium/cn81xx/bootblock.c b/src/soc/cavium/cn81xx/bootblock.c new file mode 100644 index 0000000000..8517467de1 --- /dev/null +++ b/src/soc/cavium/cn81xx/bootblock.c @@ -0,0 +1,50 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2018 Facebook, Inc. + * Copyright 2003-2017 Cavium Inc. <support@cavium.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Derived from Cavium's BSD-3 Clause OCTEONTX-SDK-6.2.0. + */ + +#include <arch/io.h> +#include <commonlib/helpers.h> +#include <soc/bootblock.h> +#include <soc/sysreg.h> +#include <soc/timer.h> +#include <libbdk-arch/bdk-asm.h> + +static void init_sysreg(void) +{ + /* The defaults for write buffer timeouts are poor */ + u64 cvmmemctl0; + BDK_MRS(s3_0_c11_c0_4, cvmmemctl0); + cvmmemctl0 |= AP_CVMMEMCTL0_EL1_WBFTONSHENA | + AP_CVMMEMCTL0_EL1_WBFTOMRGCLRENA; + BDK_MSR(s3_0_c11_c0_4, cvmmemctl0); +} + +void bootblock_soc_early_init(void) +{ +} + +void bootblock_soc_init(void) +{ + /* initialize system registers */ + init_sysreg(); + + /* Set watchdog to 5 seconds timeout */ + watchdog_set(0, 5000); + watchdog_poke(0); + + /* TODO: additional clock init? */ +} |