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superio/nuvoton: add common HWM bank select function 

Change-Id: I828b6caa37e52c13e1876c7ca4edbd171e70d3f7
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37945
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Felix Held 2019-12-15 12:10:13 +01:00
parent d756c27a54
commit 15b6c4af63
4 changed files with 61 additions and 0 deletions
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3
src/superio/nuvoton/Makefile.inc
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@ -17,6 +17,9 @@
bootblock-$(CONFIG_SUPERIO_NUVOTON_COMMON_PRE_RAM) += common/early_serial.c
romstage-$(CONFIG_SUPERIO_NUVOTON_COMMON_PRE_RAM) += common/early_serial.c
## include generic Nuvoton HWM driver
ramstage-$(CONFIG_SUPERIO_NUVOTON_COMMON_HWM) += common/hwm.c
subdirs-$(CONFIG_SUPERIO_NUVOTON_WPCM450) += wpcm450
subdirs-$(CONFIG_SUPERIO_NUVOTON_NCT5104D) += nct5104d
subdirs-$(CONFIG_SUPERIO_NUVOTON_NCT5539D) += nct5539d

4
src/superio/nuvoton/common/Kconfig
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@ -17,3 +17,7 @@
# pre-ram.
config SUPERIO_NUVOTON_COMMON_PRE_RAM
bool
# Generic Nuvoton HWM driver
config SUPERIO_NUVOTON_COMMON_HWM
bool

28
src/superio/nuvoton/common/hwm.c Normal file
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@ -0,0 +1,28 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2019 Felix Held <felix-coreboot@felixheld.de>
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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.
*/
/* Nuvoton is a Winbond spin-off, so this code is for both */
#include <stdint.h>
#include <superio/hwm5_conf.h>
#include "hwm.h"
#define HWM_BANK_SELECT 0x4e
void nuvoton_hwm_select_bank(const u16 base, const u8 bank)
{
pnp_write_hwm5_index(base, HWM_BANK_SELECT, bank);
}

26
src/superio/nuvoton/common/hwm.h Normal file
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@ -0,0 +1,26 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2019 Felix Held <felix-coreboot@felixheld.de>
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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 SUPERIO_NUVOTON_COMMON_HWM_H
#define SUPERIO_NUVOTON_COMMON_HWM_H
/* Nuvoton is a Winbond spin-off, so this code is for both */
#include <stdint.h>
void nuvoton_hwm_select_bank(const u16 base, const u8 bank);
#endif /* SUPERIO_NUVOTON_COMMON_HWM_H */