sb/amd/sb700: Drop support

Relocatable ramstage, postcar stage and C_ENVIRONMENT_BOOTBLOCK are
now mandatory features, which platforms using this code lack.

Change-Id: Iffa4f54b2d1b43b6710447e69061c6ed433bff1d
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36967
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 0 insertions, 292 deletions

diff --git a/src/southbridge/amd/sb700/lpc.c b/src/southbridge/amd/sb700/lpc.c
deleted file mode 100644
index 5d6d1cd85af6..000000000000
--- a/src/southbridge/amd/sb700/lpc.c
+++ /dev/null
@@ -1,292 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2010 Advanced Micro Devices, Inc.
- * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering
- *
- * 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 <console/console.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <device/pnp.h>
-#include <device/pci_ids.h>
-#include <device/pci_ops.h>
-#include <pc80/mc146818rtc.h>
-#include <pc80/i8254.h>
-#include <pc80/i8259.h>
-#include <arch/acpi.h>
-#include <pc80/isa-dma.h>
-#include <arch/ioapic.h>
-#include <cpu/amd/powernow.h>
-#include "sb700.h"
-
-static void lpc_init(struct device *dev)
-{
-	u8 byte;
-	u32 dword;
-	struct device *sm_dev;
-
-	printk(BIOS_SPEW, "%s\n", __func__);
-
-	/* Enable the LPC Controller */
-	sm_dev = pcidev_on_root(0x14, 0);
-	dword = pci_read_config32(sm_dev, 0x64);
-	dword |= 1 << 20;
-	pci_write_config32(sm_dev, 0x64, dword);
-
-	/* Initialize isa dma */
-#if CONFIG(SOUTHBRIDGE_AMD_SB700_SKIP_ISA_DMA_INIT)
-	printk(BIOS_DEBUG, "Skipping isa_dma_init() to avoid getting stuck.\n");
-#else
-	isa_dma_init();
-#endif
-
-	if (!CONFIG(SOUTHBRIDGE_AMD_SB700_DISABLE_ISA_DMA)) {
-		/* Enable DMA transaction on the LPC bus */
-		byte = pci_read_config8(dev, 0x40);
-		byte |= (1 << 2);
-		pci_write_config8(dev, 0x40, byte);
-	}
-
-	/* Disable the timeout mechanism on LPC */
-	byte = pci_read_config8(dev, 0x48);
-	byte &= ~(1 << 7);
-	pci_write_config8(dev, 0x48, byte);
-
-	/* Disable LPC MSI Capability */
-	byte = pci_read_config8(dev, 0x78);
-	byte &= ~(1 << 1);
-#if CONFIG(SOUTHBRIDGE_AMD_SUBTYPE_SP5100)
-	/* Disable FlowContrl, Always service the request from Host
-	 * whenever there is a request from Host pending
-	 */
-	byte &= ~(1 << 0);
-#endif
-	pci_write_config8(dev, 0x78, byte);
-
-	cmos_check_update_date();
-
-	setup_i8259(); /* Initialize i8259 pic */
-	setup_i8254(); /* Initialize i8254 timers */
-}
-
-static void sb700_lpc_read_resources(struct device *dev)
-{
-	struct resource *res;
-
-	/* Get the normal pci resources of this device */
-	pci_dev_read_resources(dev);	/* We got one for APIC, or one more for TRAP */
-
-	pci_get_resource(dev, 0xA0); /* SPI ROM base address */
-
-	/* Add an extra subtractive resource for both memory and I/O. */
-	res = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
-	res->base = 0;
-	res->size = 0x1000;
-	res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
-		     IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
-
-	res = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
-	res->base = 0xff800000;
-	res->size = 0x00800000; /* 8 MB for flash */
-	res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE |
-		     IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
-
-	res = new_resource(dev, 3); /* IOAPIC */
-	res->base = IO_APIC_ADDR;
-	res->size = 0x00001000;
-	res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
-
-	compact_resources(dev);
-}
-
-static void sb700_lpc_set_resources(struct device *dev)
-{
-	struct resource *res;
-
-	pci_dev_set_resources(dev);
-
-	/* Special case. SPI Base Address. The SpiRomEnable should be set. */
-	res = find_resource(dev, 0xA0);
-	pci_write_config32(dev, 0xA0, res->base | 1 << 1);
-}
-
-/**
- * @brief Enable resources for children devices
- *
- * @param dev the device whose children's resources are to be enabled
- *
- */
-static void sb700_lpc_enable_childrens_resources(struct device *dev)
-{
-	struct bus *link;
-	u32 reg, reg_x;
-	int var_num = 0;
-	u16 reg_var[3] = {0x0, 0x0, 0x0};
-	u8 wiosize = pci_read_config8(dev, 0x74);
-
-	reg = pci_read_config32(dev, 0x44);
-	reg_x = pci_read_config32(dev, 0x48);
-
-	for (link = dev->link_list; link; link = link->next) {
-		struct device *child;
-		for (child = link->children; child;
-		     child = child->sibling) {
-			if (!(child->enabled
-				&& (child->path.type == DEVICE_PATH_PNP)))
-				continue;
-
-			struct resource *res;
-			for (res = child->resource_list; res; res = res->next) {
-				u32 base, end;	/*  don't need long long */
-				if (!(res->flags & IORESOURCE_IO))
-					continue;
-				base = res->base;
-				end = resource_end(res);
-				printk(BIOS_DEBUG, "sb700 lpc decode:%s,"
-					" base=0x%08x, end=0x%08x\n",
-					dev_path(child), base, end);
-				switch (base) {
-				case 0x60:	/*  KB */
-				case 0x64:	/*  MS */
-					reg |= (1 << 29);
-					break;
-				case 0x3f8:	/*  COM1 */
-					reg |= (1 << 6);
-					break;
-				case 0x2f8:	/*  COM2 */
-					reg |= (1 << 7);
-					break;
-				case 0x378:	/*  Parallel 1 */
-					reg |= (1 << 0);
-					reg |= (1 << 1); /* + 0x778 for ECP */
-					break;
-				case 0x3f0:	/*  FD0 */
-					reg |= (1 << 26);
-					break;
-				case 0x220:	/*  Audio 0 */
-					reg |= (1 << 8);
-					break;
-				case 0x300:	/*  Midi 0 */
-					reg |= (1 << 18);
-					break;
-				case 0x400:
-					reg_x |= (1 << 16);
-					break;
-				case 0x480:
-					reg_x |= (1 << 17);
-					break;
-				case 0x500:
-					reg_x |= (1 << 18);
-					break;
-				case 0x580:
-					reg_x |= (1 << 19);
-					break;
-				case 0x4700:
-					reg_x |= (1 << 22);
-					break;
-				case 0xfd60:
-					reg_x |= (1 << 23);
-					break;
-				default:
-					/* only 3 var ; compact them ? */
-					if (var_num >= 3)
-						continue;
-					switch (var_num) {
-					case 0:
-						reg_x |= (1 << 2);
-						if ((end - base) < 16)
-							wiosize |= (1 << 0);
-						break;
-					case 1:
-						reg_x |= (1 << 24);
-						if ((end - base) < 16)
-							wiosize |= (1 << 2);
-						break;
-					case 2:
-						reg_x |= (1 << 25);
-						reg_x |= (1 << 24);
-						if ((end - base) < 16)
-							wiosize |= (1 << 3);
-						break;
-					}
-					reg_var[var_num++] = base & 0xffff;
-				}
-			}
-		}
-	}
-	pci_write_config32(dev, 0x44, reg);
-	pci_write_config32(dev, 0x48, reg_x);
-	/* Set WideIO for as many IOs found (fall through is on purpose) */
-	switch (var_num) {
-	case 3:
-		pci_write_config16(dev, 0x90, reg_var[2]);
-		/* fall through */
-	case 2:
-		pci_write_config16(dev, 0x66, reg_var[1]);
-		/* fall through */
-	case 1:
-		pci_write_config16(dev, 0x64, reg_var[0]);
-		break;
-	}
-	pci_write_config8(dev, 0x74, wiosize);
-}
-
-static void sb700_lpc_enable_resources(struct device *dev)
-{
-	pci_dev_enable_resources(dev);
-	sb700_lpc_enable_childrens_resources(dev);
-}
-
-#if CONFIG(HAVE_ACPI_TABLES)
-
-static void southbridge_acpi_fill_ssdt_generator(struct device *device) {
-	amd_generate_powernow(ACPI_CPU_CONTROL, 6, 1);
-}
-
-static const char *lpc_acpi_name(const struct device *dev)
-{
-	if (dev->path.type != DEVICE_PATH_PCI)
-		return NULL;
-
-	switch (dev->path.pci.devfn) {
-		case PCI_DEVFN(0x14, 3):
-			return "LPC";
-	}
-
-	return NULL;
-}
-#endif
-
-
-static struct pci_operations lops_pci = {
-	.set_subsystem = pci_dev_set_subsystem,
-};
-
-static struct device_operations lpc_ops = {
-	.read_resources = sb700_lpc_read_resources,
-	.set_resources = sb700_lpc_set_resources,
-	.enable_resources = sb700_lpc_enable_resources,
-#if CONFIG(HAVE_ACPI_TABLES)
-	.acpi_name = lpc_acpi_name,
-	.write_acpi_tables = acpi_write_hpet,
-	.acpi_fill_ssdt_generator = southbridge_acpi_fill_ssdt_generator,
-#endif
-	.init = lpc_init,
-	.scan_bus = scan_static_bus,
-	.ops_pci = &lops_pci,
-};
-static const struct pci_driver lpc_driver __pci_driver = {
-	.ops = &lpc_ops,
-	.vendor = PCI_VENDOR_ID_ATI,
-	.device = PCI_DEVICE_ID_ATI_SB700_LPC,
-};