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author | Edward O'Callaghan <quasisec@google.com> | 2022-08-12 12:56:43 +1000 |
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committer | Edward O'Callaghan <quasisec@chromium.org> | 2022-08-25 00:29:00 +0000 |
commit | 8f9e910eb342799c582ee2c9569ffb4be6296719 (patch) | |
tree | ad485edfa2df067c0eae7fbe7c4f6901eee86cd9 /parallel.c | |
parent | 16744f9e96d0f1e203d4a67ad2bfd0c50e3c437a (diff) | |
download | flashrom-8f9e910eb342799c582ee2c9569ffb4be6296719.tar.gz flashrom-8f9e910eb342799c582ee2c9569ffb4be6296719.tar.bz2 flashrom-8f9e910eb342799c582ee2c9569ffb4be6296719.zip |
parallel.c: Consoldiate parallel master registration logic
This is analogous to spi.c and opaque.c however parallel
logic was previously never consoldiated.
This free's up flashrom.c from namespace pollution.
BUG=b:242246291
TEST=builds with both make and meson.
Change-Id: Ie08e2e6c51ccef5281386bf7e3df439b91573974
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/66651
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Thomas Heijligen <src@posteo.de>
Diffstat (limited to 'parallel.c')
-rw-r--r-- | parallel.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/parallel.c b/parallel.c new file mode 100644 index 00000000..9001fe80 --- /dev/null +++ b/parallel.c @@ -0,0 +1,93 @@ +/* + * This file is part of the flashrom project. + * + * Copyright (C) 2000 Silicon Integrated System Corporation + * Copyright (C) 2004 Tyan Corp <yhlu@tyan.com> + * Copyright (C) 2005-2008 coresystems GmbH + * Copyright (C) 2008,2009 Carl-Daniel Hailfinger + * Copyright (C) 2016 secunet Security Networks AG + * (Written by Nico Huber <nico.huber@secunet.com> for secunet) + * Copyright (C) 2009,2010,2011 Carl-Daniel Hailfinger + * + * 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 "flash.h" +#include "programmer.h" + +void chip_writeb(const struct flashctx *flash, uint8_t val, chipaddr addr) +{ + flash->mst->par.chip_writeb(flash, val, addr); +} + +void chip_writew(const struct flashctx *flash, uint16_t val, chipaddr addr) +{ + flash->mst->par.chip_writew(flash, val, addr); +} + +void chip_writel(const struct flashctx *flash, uint32_t val, chipaddr addr) +{ + flash->mst->par.chip_writel(flash, val, addr); +} + +void chip_writen(const struct flashctx *flash, const uint8_t *buf, chipaddr addr, size_t len) +{ + flash->mst->par.chip_writen(flash, buf, addr, len); +} + +uint8_t chip_readb(const struct flashctx *flash, const chipaddr addr) +{ + return flash->mst->par.chip_readb(flash, addr); +} + +uint16_t chip_readw(const struct flashctx *flash, const chipaddr addr) +{ + return flash->mst->par.chip_readw(flash, addr); +} + +uint32_t chip_readl(const struct flashctx *flash, const chipaddr addr) +{ + return flash->mst->par.chip_readl(flash, addr); +} + +void chip_readn(const struct flashctx *flash, uint8_t *buf, chipaddr addr, + size_t len) +{ + flash->mst->par.chip_readn(flash, buf, addr, len); +} + +int register_par_master(const struct par_master *mst, + const enum chipbustype buses, + void *data) +{ + struct registered_master rmst = {0}; + + if (mst->shutdown) { + if (register_shutdown(mst->shutdown, data)) { + mst->shutdown(data); /* cleanup */ + return 1; + } + } + + if (!mst->chip_writeb || !mst->chip_writew || !mst->chip_writel || + !mst->chip_writen || !mst->chip_readb || !mst->chip_readw || + !mst->chip_readl || !mst->chip_readn) { + msg_perr("%s called with incomplete master definition. " + "Please report a bug at flashrom@flashrom.org\n", + __func__); + return ERROR_FLASHROM_BUG; + } + + rmst.buses_supported = buses; + rmst.par = *mst; + if (data) + rmst.par.data = data; + return register_master(&rmst); +} |