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authorArthur Heymans <arthur@aheymans.xyz>2017-08-08 13:32:08 +0200
committerMartin Roth <martinroth@google.com>2017-08-10 16:00:59 +0000
commit0c67a66d23428151686ec25d046c4353dbdec91a (patch)
treef11fa3f4df5b6783d906c8d4e4501e383d75d756 /src/southbridge/intel
parent2a4aadab7060b4327e9164b74995e8bfb5383f56 (diff)
downloadcoreboot-0c67a66d23428151686ec25d046c4353dbdec91a.tar.xz
sb/intel/i82801jx: Remove dead code
Setting up default BARs and DMI init code is done in northbridge code. Change-Id: I6cfa3018ca7f5ef351415c4ec6e178ade353f7a7 Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/20906 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Diffstat (limited to 'src/southbridge/intel')
-rw-r--r--src/southbridge/intel/i82801jx/dmi_setup.c141
-rw-r--r--src/southbridge/intel/i82801jx/early_init.c59
-rw-r--r--src/southbridge/intel/i82801jx/i82801jx.h3
3 files changed, 0 insertions, 203 deletions
diff --git a/src/southbridge/intel/i82801jx/dmi_setup.c b/src/southbridge/intel/i82801jx/dmi_setup.c
deleted file mode 100644
index 83633a4930..0000000000
--- a/src/southbridge/intel/i82801jx/dmi_setup.c
+++ /dev/null
@@ -1,141 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2012 secunet Security Networks 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 <arch/io.h>
-#include <device/pci_def.h>
-#include <console/console.h>
-#include <northbridge/intel/gm45/gm45.h>
-#include "i82801jx.h"
-
-/* VC1 Port Arbitration Table */
-static const u8 vc1_pat[] = {
- 0x0f, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x0f, 0x00,
- 0x00, 0x00, 0x00, 0x00,
- 0xf0, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x0f,
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0xf0, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00,
- 0x0f, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x0f, 0x00,
- 0x00, 0x00, 0x00, 0x00,
- 0xf0, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x0f,
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0xf0, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00,
-};
-void i82801jx_dmi_setup(void)
-{
- int i;
- u32 reg32;
-
- RCBA32(RCBA_V1CAP) = (RCBA32(RCBA_V1CAP) & ~(0x7f<<16)) | (0x12<<16);
-
- RCBA32(0x0088) = 0x00109000;
- RCBA16(0x01fc) = 0x060b;
- RCBA32(0x01f4) = 0x86000040;
- RCBA8 (0x0220) = 0x45;
- RCBA32(0x2024) &= ~(1 << 7);
-
-
- /* VC1 setup for isochronous transfers: */
-
- /* Set VC1 virtual channel id to 1. */
- RCBA32(RCBA_V1CTL) = (RCBA32(RCBA_V1CTL) & ~(0x7 << 24)) | (0x1 << 24);
- /* Enable TC7 traffic on VC1. */
- RCBA32(RCBA_V1CTL) = (RCBA32(RCBA_V1CTL) & ~(0x7f << 1)) | (1 << 7);
- /* Disable TC7-TC1 traffic on VC0. */
- RCBA32(RCBA_V0CTL) &= ~(0x7f << 1);
- /* TC7-TC1 traffic on PCIe root ports will be disabled in pci driver. */
-
- /* Set table type to time-based WRR. */
- RCBA32(RCBA_V1CTL) = (RCBA32(RCBA_V1CTL) & ~(0x7 << 17)) | (0x4 << 17);
- /* Program port arbitration table. */
- for (i = 0; i < sizeof(vc1_pat); ++i)
- RCBA8(RCBA_PAT + i) = vc1_pat[i];
- /* Load port arbitration table. */
- RCBA32(RCBA_V1CTL) |= (1 << 16);
-
- /* Enable VC1. */
- RCBA32(RCBA_V1CTL) |= (1 << 31);
-
-
- /* Setup RCRB: */
-
- /* Set component id to 2 for southbridge, northbridge has id 1. */
- RCBA8(RCBA_ESD + 2) = 2;
- /* Set target port number and target component id of the northbridge. */
- RCBA8(RCBA_ULD + 3) = 1;
- RCBA8(RCBA_ULD + 2) = 1;
- /* Set target rcrb base address, i.e. DMIBAR. */
- RCBA32(RCBA_ULBA) = (uintptr_t)DEFAULT_DMIBAR;
-
- /* Enable ASPM. */
- if (LPC_IS_MOBILE(PCI_DEV(0, 0x1f, 0))) {
- reg32 = RCBA32(RCBA_DMC);
- /* Enable mobile specific power saving (set this first). */
- reg32 = (reg32 & ~(3 << 10)) | (1 << 10);
- RCBA32(RCBA_DMC) = reg32;
- /* Enable DMI power savings. */
- reg32 |= (1 << 19);
- RCBA32(RCBA_DMC) = reg32;
- /* Advertise L0s and L1. */
- RCBA32(RCBA_LCAP) |= (3 << 10);
- /* Enable L0s and L1. */
- RCBA32(RCBA_LCTL) |= (3 << 0);
- } else {
- /* Enable DMI power savings. */
- RCBA32(RCBA_DMC) |= (1 << 19);
- /* Advertise L0s only. */
- RCBA32(RCBA_LCAP) = (RCBA32(RCBA_LCAP) & ~(3<<10)) | (1<<10);
- /* Enable L0s only. */
- RCBA32(RCBA_LCTL) = (RCBA32(RCBA_LCTL) & ~(3<< 0)) | (1<< 0);
- }
-}
-
-/* Should be called after VC1 has been enabled on both sides. */
-void i82801jx_dmi_poll_vc1(void)
-{
- int timeout;
-
- timeout = 0x7ffff;
- printk(BIOS_DEBUG, "ICH10 waits for VC1 negotiation... ");
- while ((RCBA32(RCBA_V1STS) & (1 << 1)) && --timeout) {}
- if (!timeout)
- printk(BIOS_DEBUG, "timeout!\n");
- else
- printk(BIOS_DEBUG, "done.\n");
-
- /* Check for x2 DMI link. */
- if (((RCBA16(RCBA_LSTS) >> 4) & 0x3f) == 2) {
- printk(BIOS_DEBUG, "x2 DMI link detected.\n");
- RCBA32(0x2024) = (RCBA32(0x2024) & ~(7 << 21)) | (3 << 21);
- RCBA16(0x20c4) |= (1 << 15);
- RCBA16(0x20e4) |= (1 << 15);
- /* TODO: Maybe we have to save and
- restore these settings across S3. */
- }
-
- timeout = 0x7ffff;
- printk(BIOS_DEBUG, "ICH10 waits for port arbitration table update... ");
- while ((RCBA32(RCBA_V1STS) & (1 << 0)) && --timeout) {}
- if (!timeout)
- printk(BIOS_DEBUG, "timeout!\n");
- else
- printk(BIOS_DEBUG, "done.\n");
-}
diff --git a/src/southbridge/intel/i82801jx/early_init.c b/src/southbridge/intel/i82801jx/early_init.c
deleted file mode 100644
index e2ac852316..0000000000
--- a/src/southbridge/intel/i82801jx/early_init.c
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2012 secunet Security Networks 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 <arch/io.h>
-#include "i82801jx.h"
-
-void i82801jx_early_init(void)
-{
- const pci_devfn_t d31f0 = PCI_DEV(0, 0x1f, 0);
-
- /* Set up RCBA. */
- pci_write_config32(d31f0, D31F0_RCBA, (uintptr_t)DEFAULT_RCBA | 1);
-
- /* Set up PMBASE. */
- pci_write_config32(d31f0, D31F0_PMBASE, DEFAULT_PMBASE | 1);
- /* Enable PMBASE. */
- pci_write_config8(d31f0, D31F0_ACPI_CNTL, 0x80);
-
- /* Set up GPIOBASE. */
- pci_write_config32(d31f0, D31F0_GPIO_BASE, DEFAULT_GPIOBASE);
- /* Enable GPIO. */
- pci_write_config8(d31f0, D31F0_GPIO_CNTL,
- pci_read_config8(d31f0, D31F0_GPIO_CNTL) | 0x10);
-
- /* Reset watchdog. */
- outw(0x0008, DEFAULT_TCOBASE + 0x04); /* R/WC, clear TCO caused SMI. */
- outw(0x0002, DEFAULT_TCOBASE + 0x06); /* R/WC, clear second timeout. */
-
- /* Enable upper 128bytes of CMOS. */
- RCBA32(0x3400) = (1 << 2);
-
- /* Initialize power management initialization
- register early as it affects reboot behavior. */
- /* Bit 20 activates global reset of host and ME on cf9 writes of 0x6
- and 0xe (required if ME is disabled but present), bit 31 locks it.
- The other bits are 'must write'. */
- u8 reg8 = pci_read_config8(d31f0, 0xac);
- reg8 |= (1 << 31) | (1 << 30) | (1 << 20) | (3 << 8);
- pci_write_config8(d31f0, 0xac, reg8);
-
- /* TODO: If RTC power failed, reset RTC state machine
- (set, then reset RTC 0x0b bit7) */
-
- /* TODO: Check power state bits in GEN_PMCON_2 (D31F0 0xa2)
- before they get cleared. */
-}
diff --git a/src/southbridge/intel/i82801jx/i82801jx.h b/src/southbridge/intel/i82801jx/i82801jx.h
index fe55157850..9b0f95593b 100644
--- a/src/southbridge/intel/i82801jx/i82801jx.h
+++ b/src/southbridge/intel/i82801jx/i82801jx.h
@@ -229,9 +229,6 @@ int i2c_block_read(unsigned int device, unsigned int cmd, unsigned int bytes,
int smbus_block_read(unsigned int device, unsigned int cmd, u8 bytes, u8 *buf);
int smbus_block_write(unsigned int device, unsigned int cmd, u8 bytes,
const u8 *buf);
-void i82801jx_early_init(void);
-void i82801jx_dmi_setup(void);
-void i82801jx_dmi_poll_vc1(void);
int southbridge_detect_s3_resume(void);
#endif