qemu: drop "northbridge.c" from src/cpu/...

It's not a real northbridge, so I just move it into the mainboard directory for
now (until we maybe have a qemu-q35 image some day?)

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5316 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

7 files changed, 0 insertions, 177 deletions

diff --git a/src/cpu/emulation/Kconfig b/src/cpu/emulation/Kconfig
deleted file mode 100644
index 25d55e689b..0000000000
--- a/src/cpu/emulation/Kconfig
+++ /dev/null
@@ -1,2 +0,0 @@
-source src/cpu/emulation/qemu-x86/Kconfig
-
diff --git a/src/cpu/emulation/Makefile.inc b/src/cpu/emulation/Makefile.inc
deleted file mode 100644
index f98d3854be..0000000000
--- a/src/cpu/emulation/Makefile.inc
+++ /dev/null
@@ -1 +0,0 @@
-subdirs-$(CONFIG_CPU_EMULATION_QEMU_X86) += qemu-x86
diff --git a/src/cpu/emulation/qemu-x86/Kconfig b/src/cpu/emulation/qemu-x86/Kconfig
deleted file mode 100644
index dd7fcef78c..0000000000
--- a/src/cpu/emulation/qemu-x86/Kconfig
+++ /dev/null
@@ -1,3 +0,0 @@
-config CPU_EMULATION_QEMU_X86
-	bool
-
diff --git a/src/cpu/emulation/qemu-x86/Makefile.inc b/src/cpu/emulation/qemu-x86/Makefile.inc
deleted file mode 100644
index ea44b26cbe..0000000000
--- a/src/cpu/emulation/qemu-x86/Makefile.inc
+++ /dev/null
@@ -1 +0,0 @@
-obj-y += northbridge.o
diff --git a/src/cpu/emulation/qemu-x86/chip.h b/src/cpu/emulation/qemu-x86/chip.h
deleted file mode 100644
index 1183200ff7..0000000000
--- a/src/cpu/emulation/qemu-x86/chip.h
+++ /dev/null
@@ -1,6 +0,0 @@
-struct cpu_emulation_qemu_x86_config
-{
-};
-
-extern struct chip_operations cpu_emulation_qemu_x86_ops;
-
diff --git a/src/cpu/emulation/qemu-x86/northbridge.c b/src/cpu/emulation/qemu-x86/northbridge.c
deleted file mode 100644
index d2e5abea91..0000000000
--- a/src/cpu/emulation/qemu-x86/northbridge.c
+++ /dev/null
@@ -1,159 +0,0 @@
-#include <console/console.h>
-#include <arch/io.h>
-#include <stdint.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <stdlib.h>
-#include <string.h>
-#include <bitops.h>
-#include "chip.h"
-#include "northbridge.h"
-#include <delay.h>
-
-static void ram_resource(device_t dev, unsigned long index,
-	unsigned long basek, unsigned long sizek)
-{
-	struct resource *resource;
-
-	if (!sizek) {
-		return;
-	}
-	resource = new_resource(dev, index);
-	resource->base	= ((resource_t)basek) << 10;
-	resource->size	= ((resource_t)sizek) << 10;
-	resource->flags =  IORESOURCE_MEM | IORESOURCE_CACHEABLE | \
-		IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
-}
-
-static void tolm_test(void *gp, struct device *dev, struct resource *new)
-{
-	struct resource **best_p = gp;
-	struct resource *best;
-	best = *best_p;
-	if (!best || (best->base > new->base)) {
-		best = new;
-	}
-	*best_p = best;
-}
-
-static uint32_t find_pci_tolm(struct bus *bus)
-{
-	struct resource *min;
-	uint32_t tolm;
-	min = 0;
-	search_bus_resources(bus, IORESOURCE_MEM, IORESOURCE_MEM, tolm_test, &min);
-	tolm = 0xffffffffUL;
-	if (min && tolm > min->base) {
-		tolm = min->base;
-	}
-	return tolm;
-}
-
-#if CONFIG_WRITE_HIGH_TABLES==1
-#define HIGH_TABLES_SIZE 64	// maximum size of high tables in KB
-extern uint64_t high_tables_base, high_tables_size;
-#endif
-
-static void cpu_pci_domain_set_resources(device_t dev)
-{
-	static const uint8_t ramregs[] = {
-		0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 0x56, 0x57
-	};
-	device_t mc_dev;
-	uint32_t pci_tolm;
-
-	pci_tolm = find_pci_tolm(&dev->link[0]);
-	mc_dev = dev->link[0].children;
-	if (mc_dev) {
-		unsigned long tomk, tolmk;
-		unsigned char rambits;
-		int i, idx;
-
-		for(rambits = 0, i = 0; i < ARRAY_SIZE(ramregs); i++) {
-			unsigned char reg;
-			reg = pci_read_config8(mc_dev, ramregs[i]);
-			/* these are ENDING addresses, not sizes.
-			 * if there is memory in this slot, then reg will be > rambits.
-			 * So we just take the max, that gives us total.
-			 * We take the highest one to cover for once and future coreboot
-			 * bugs. We warn about bugs.
-			 */
-			if (reg > rambits)
-				rambits = reg;
-			if (reg < rambits)
-				printk(BIOS_ERR, "ERROR! register 0x%x is not set!\n",
-					ramregs[i]);
-		}
-		if (rambits == 0) {
-			printk(BIOS_ERR, "RAM size config registers are empty; defaulting to 64 MBytes\n");
-			rambits = 8;
-		}
-		printk(BIOS_DEBUG, "I would set ram size to 0x%x Kbytes\n", (rambits)*8*1024);
-		tomk = rambits*8*1024;
-		/* Compute the top of Low memory */
-		tolmk = pci_tolm >> 10;
-		if (tolmk >= tomk) {
-			/* The PCI hole does not overlap the memory. */
-			tolmk = tomk;
-		}
-
-		/* Report the memory regions. */
-		idx = 10;
-		ram_resource(dev, idx++, 0, 640);
-		ram_resource(dev, idx++, 768, tolmk - 768);
-
-#if CONFIG_WRITE_HIGH_TABLES==1
-		/* Leave some space for ACPI, PIRQ and MP tables */
-		high_tables_base = (tomk - HIGH_TABLES_SIZE) * 1024;
-		high_tables_size = HIGH_TABLES_SIZE * 1024;
-#endif
-	}
-	assign_resources(&dev->link[0]);
-}
-
-static void cpu_pci_domain_read_resources(struct device *dev)
-{
-	struct resource *res;
-
-	pci_domain_read_resources(dev);
-
-	/* Reserve space for the IOAPIC.  This should be in the Southbridge,
-	 * but I couldn't tell which device to put it in. */
-	res = new_resource(dev, 2);
-	res->base = 0xfec00000UL;
-	res->size = 0x100000UL;
-	res->limit = 0xffffffffUL;
-	res->flags = IORESOURCE_MEM | IORESOURCE_FIXED | IORESOURCE_STORED |
-		     IORESOURCE_ASSIGNED;
-
-	/* Reserve space for the LAPIC.  There's one in every processor, but
-	 * the space only needs to be reserved once, so we do it here. */
-	res = new_resource(dev, 3);
-	res->base = 0xfee00000UL;
-	res->size = 0x10000UL;
-	res->limit = 0xffffffffUL;
-	res->flags = IORESOURCE_MEM | IORESOURCE_FIXED | IORESOURCE_STORED |
-		     IORESOURCE_ASSIGNED;
-}
-
-static struct device_operations pci_domain_ops = {
-	.read_resources		= cpu_pci_domain_read_resources,
-	.set_resources		= cpu_pci_domain_set_resources,
-	.enable_resources	= enable_childrens_resources,
-	.init			= 0,
-	.scan_bus		= pci_domain_scan_bus,
-};
-
-static void enable_dev(struct device *dev)
-{
-	/* Set the operations if it is a special bus type */
-	if (dev->path.type == DEVICE_PATH_PCI_DOMAIN) {
-		dev->ops = &pci_domain_ops;
-		pci_set_method(dev);
-	}
-}
-
-struct chip_operations cpu_emulation_qemu_x86_ops = {
-	CHIP_NAME("QEMU Northbridge")
-	.enable_dev = enable_dev,
-};
diff --git a/src/cpu/emulation/qemu-x86/northbridge.h b/src/cpu/emulation/qemu-x86/northbridge.h
deleted file mode 100644
index 9ff688be2f..0000000000
--- a/src/cpu/emulation/qemu-x86/northbridge.h
+++ /dev/null
@@ -1,5 +0,0 @@
-#ifndef NORTHBRIDGE_EMULATION_QEMU_X86_H
-#define NORTHBRIDGE_EMULATION_QEMU_X86_H
-
-
-#endif /* NORTHBRIDGE_EMULATION_QEMU_X86 */