diff options
author | Mike Banon <mikebdp2@gmail.com> | 2020-02-13 15:26:20 +0000 |
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committer | Patrick Georgi <pgeorgi@google.com> | 2020-02-24 13:53:17 +0000 |
commit | d6cb3bc9424f67173a08a704369103ac691764dc (patch) | |
tree | a668016a1ff6b1f35584e5926f629c494d6fbc88 /src/mainboard/hp/abm/bootblock.c | |
parent | 9d667906f3c0029dbea41580a0d0961cf1ab2fc9 (diff) |
src/mb/hp/abm: Switch away from ROMCC_BOOTBLOCK
Warning: not tested on hardware.
Signed-off-by: Mike Banon <mikebdp2@gmail.com>
Change-Id: Ifb50fd22f5ef4db204a3427e03430177cad211cd
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38866
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/hp/abm/bootblock.c')
-rw-r--r-- | src/mainboard/hp/abm/bootblock.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/mainboard/hp/abm/bootblock.c b/src/mainboard/hp/abm/bootblock.c new file mode 100644 index 0000000000..a48ba772e1 --- /dev/null +++ b/src/mainboard/hp/abm/bootblock.c @@ -0,0 +1,39 @@ +/* + * This file is part of the coreboot project. + * + * 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 <amdblocks/acpimmio.h> +#include <bootblock_common.h> +#include <superio/nuvoton/common/nuvoton.h> +#include <superio/nuvoton/nct5104d/nct5104d.h> + +#define SERIAL_DEV PNP_DEV(0x4E, NCT5104D_SP4) + +void bootblock_mainboard_early_init(void) +{ + u32 reg32; + + /* Set auxiliary output clock frequency on OSCOUT1 pin to be 25MHz */ + /* Set auxiliary output clock frequency on OSCOUT2 pin to be 48MHz */ + reg32 = misc_read32(0x28); + reg32 &= 0xffc0ffff; // Clr bits [21:19] & [18:16] + reg32 |= 0x00010000; // Set bit 16 for 25MHz + misc_write32(0x28, reg32); + + /* Enable Auxiliary OSCOUT1/OSCOUT2 */ + reg32 = misc_read32(0x40); + reg32 &= 0xffffff7b; // clear 2, 7 + misc_write32(0x40, reg32); + + nct5104d_enable_uartd(SERIAL_DEV); + nuvoton_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); +} |