siemens/mc_apl4: Clean up ramstage

Currently, there is nothing for this mainboard to do in ramstage.

Change-Id: Id74a5f3f0a0583dc6bc81044913b8bb83d3b0b93
Signed-off-by: Mario Scheithauer <mario.scheithauer@siemens.com>
Reviewed-on: https://review.coreboot.org/29632
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
This commit is contained in:
Mario Scheithauer 2018-11-14 08:51:10 +01:00 committed by Werner Zeh
parent 6c52c0b2ac
commit 5f82433206
3 changed files with 0 additions and 104 deletions

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@ -4,10 +4,6 @@ if BOARD_SIEMENS_MC_APL4
config BOARD_SIEMENS_MC_APL4_VAR
def_bool y
select DRIVER_INTEL_I210
select DRIVERS_I2C_RX6110SA
select DRIVER_SIEMENS_NC_FPGA
select NC_FPGA_NOTIFY_CB_READY
select APL_SKIP_SET_POWER_LIMITS
config DEVICETREE
string

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@ -1,3 +1 @@
romstage-y += memory.c
ramstage-y += mainboard.c

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@ -1,98 +0,0 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2018 Siemens AG
*
* 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 <bootstate.h>
#include <console/console.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include <gpio.h>
#include <hwilib.h>
#include <intelblocks/lpc_lib.h>
#include <intelblocks/pcr.h>
#include <soc/pcr_ids.h>
#include <timer.h>
#include <timestamp.h>
#include <baseboard/variants.h>
#define TX_DWORD3 0xa8c
void variant_mainboard_final(void)
{
struct device *dev = NULL;
/*
* PIR6 register mapping for PCIe root ports
* INTA#->PIRQB#, INTB#->PIRQC#, INTC#->PIRQD#, INTD#-> PIRQA#
*/
pcr_write16(PID_ITSS, 0x314c, 0x0321);
/* Disable clock outputs 1-5 (CLKOUT) for XIO2001 PCIe to PCI Bridge. */
dev = dev_find_device(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XIO2001, 0);
if (dev)
pci_write_config8(dev, 0xd8, 0x3e);
/* Enable CLKRUN_EN for power gating LPC */
lpc_enable_pci_clk_cntl();
/*
* Enable LPC PCE (Power Control Enable) by setting IOSF-SB port 0xD2
* offset 0x341D bit3 and bit0.
* Enable LPC CCE (Clock Control Enable) by setting IOSF-SB port 0xD2
* offset 0x341C bit [3:0].
*/
pcr_or32(PID_LPC, PCR_LPC_PRC, (PCR_LPC_CCE_EN | PCR_LPC_PCE_EN));
/*
* Correct the SATA transmit signal via the High Speed I/O Transmit
* Control Register 3.
* Bit [23:16] set the output voltage swing for TX line.
* The value 0x4a sets the swing level to 0.58 V.
*/
pcr_rmw32(PID_MODPHY, TX_DWORD3, (0x00 << 16), (0x4a << 16));
}
static void wait_for_legacy_dev(void *unused)
{
uint32_t legacy_delay, us_since_boot;
struct stopwatch sw;
/* Open main hwinfo block. */
if (hwilib_find_blocks("hwinfo.hex") != CB_SUCCESS)
return;
/* Get legacy delay parameter from hwinfo. */
if (hwilib_get_field(LegacyDelay, (uint8_t *) &legacy_delay,
sizeof(legacy_delay)) != sizeof(legacy_delay))
return;
us_since_boot = get_us_since_boot();
/* No need to wait if the time since boot is already long enough.*/
if (us_since_boot > legacy_delay)
return;
stopwatch_init_msecs_expire(&sw, (legacy_delay - us_since_boot) / 1000);
printk(BIOS_NOTICE, "Wait remaining %d of %d us for legacy devices...",
legacy_delay - us_since_boot, legacy_delay);
stopwatch_wait_until_expired(&sw);
printk(BIOS_NOTICE, "done!\n");
}
static void finalize_boot(void *unused)
{
/* Set coreboot ready LED. */
gpio_output(CNV_RGI_DT, 1);
}
BOOT_STATE_INIT_ENTRY(BS_DEV_ENUMERATE, BS_ON_ENTRY, wait_for_legacy_dev, NULL);
BOOT_STATE_INIT_ENTRY(BS_PAYLOAD_BOOT, BS_ON_ENTRY, finalize_boot, NULL);