Philipp Hug has uploaded this change for review. ( https://review.coreboot.org/27438
Change subject: sifive/fu540: add empty sdram init and size functions ......................................................................
sifive/fu540: add empty sdram init and size functions
Change-Id: I65f900a3277bc8a4a83ebc8883d4a325bd690bf8 --- M src/soc/sifive/fu540/Makefile.inc A src/soc/sifive/fu540/include/soc/sdram.h A src/soc/sifive/fu540/sdram.c 3 files changed, 59 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/38/27438/1
diff --git a/src/soc/sifive/fu540/Makefile.inc b/src/soc/sifive/fu540/Makefile.inc index 8a2f3a6..9e7f584 100644 --- a/src/soc/sifive/fu540/Makefile.inc +++ b/src/soc/sifive/fu540/Makefile.inc @@ -19,9 +19,11 @@
romstage-y += uart.c romstage-y += media.c +romstage-y += sdram.c
ramstage-y += uart.c ramstage-y += media.c +ramstage-y += sdram.c ramstage-y += cbmem.c
CPPFLAGS_common += -Isrc/soc/sifive/fu540/include diff --git a/src/soc/sifive/fu540/include/soc/sdram.h b/src/soc/sifive/fu540/include/soc/sdram.h new file mode 100644 index 0000000..8610a7e --- /dev/null +++ b/src/soc/sifive/fu540/include/soc/sdram.h @@ -0,0 +1,24 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2018 Philipp Hug philipp@hug.cx + * + * 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. + */ + +#ifndef __SOC_SIFIVE_FU540_SDRAM_H__ +#define __SOC_SIFIVE_FU540_SDRAM_H__ + +#include <types.h> + +void sdram_init(void); +size_t sdram_size_mb(void); + +#endif diff --git a/src/soc/sifive/fu540/sdram.c b/src/soc/sifive/fu540/sdram.c new file mode 100644 index 0000000..1ad36da --- /dev/null +++ b/src/soc/sifive/fu540/sdram.c @@ -0,0 +1,33 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2016 Philipp Hug philipp@hug.cx + * + * 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. + */ + +#include <soc/sdram.h> + +void sdram_init(void) +{ + // TODO: implement +} + +size_t sdram_size_mb(void) +{ + static size_t size_mb = 0; + + if (!size_mb) { + // TODO: implement + size_mb = 8 * 1024; + } + + return size_mb; +}