From d6cb3bc9424f67173a08a704369103ac691764dc Mon Sep 17 00:00:00 2001 From: Mike Banon Date: Thu, 13 Feb 2020 15:26:20 +0000 Subject: src/mb/hp/abm: Switch away from ROMCC_BOOTBLOCK Warning: not tested on hardware. Signed-off-by: Mike Banon Change-Id: Ifb50fd22f5ef4db204a3427e03430177cad211cd Reviewed-on: https://review.coreboot.org/c/coreboot/+/38866 Reviewed-by: HAOUAS Elyes Reviewed-by: Patrick Georgi Tested-by: build bot (Jenkins) --- src/mainboard/hp/abm/bootblock.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 src/mainboard/hp/abm/bootblock.c (limited to 'src/mainboard/hp/abm/bootblock.c') 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 +#include +#include +#include + +#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); +} -- cgit v1.2.3