From 246ae2129eb091da06cf6275bd503dd5730060dc Mon Sep 17 00:00:00 2001 From: Stefan Reinauer Date: Thu, 8 Sep 2005 17:17:25 +0000 Subject: simplify code git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2012 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/cpu/emulation/qemu-i386/Config.lb | 2 + src/cpu/emulation/qemu-i386/chip.h | 6 + src/cpu/emulation/qemu-i386/northbridge.c | 134 +++++++++++++++++ src/cpu/emulation/qemu-i386/northbridge.h | 5 + src/mainboard/emulation/qemu-i386/Config.lb | 35 +++-- src/mainboard/emulation/qemu-i386/Options.lb | 168 +++++----------------- src/mainboard/emulation/qemu-i386/chip.h | 1 - src/northbridge/emulation/qemu-i386/Config.lb | 2 - src/northbridge/emulation/qemu-i386/chip.h | 5 - src/northbridge/emulation/qemu-i386/northbridge.c | 125 ---------------- src/northbridge/emulation/qemu-i386/northbridge.h | 5 - 11 files changed, 204 insertions(+), 284 deletions(-) create mode 100644 src/cpu/emulation/qemu-i386/Config.lb create mode 100644 src/cpu/emulation/qemu-i386/chip.h create mode 100644 src/cpu/emulation/qemu-i386/northbridge.c create mode 100644 src/cpu/emulation/qemu-i386/northbridge.h delete mode 100644 src/northbridge/emulation/qemu-i386/Config.lb delete mode 100644 src/northbridge/emulation/qemu-i386/chip.h delete mode 100644 src/northbridge/emulation/qemu-i386/northbridge.c delete mode 100644 src/northbridge/emulation/qemu-i386/northbridge.h diff --git a/src/cpu/emulation/qemu-i386/Config.lb b/src/cpu/emulation/qemu-i386/Config.lb new file mode 100644 index 0000000000..4a0c2c8658 --- /dev/null +++ b/src/cpu/emulation/qemu-i386/Config.lb @@ -0,0 +1,2 @@ +config chip.h +object northbridge.o diff --git a/src/cpu/emulation/qemu-i386/chip.h b/src/cpu/emulation/qemu-i386/chip.h new file mode 100644 index 0000000000..6ade17bb01 --- /dev/null +++ b/src/cpu/emulation/qemu-i386/chip.h @@ -0,0 +1,6 @@ +struct cpu_emulation_qemu_i386_config +{ +}; + +extern struct chip_operations cpu_emulation_qemu_i386_ops; + diff --git a/src/cpu/emulation/qemu-i386/northbridge.c b/src/cpu/emulation/qemu-i386/northbridge.c new file mode 100644 index 0000000000..2f1f48f995 --- /dev/null +++ b/src/cpu/emulation/qemu-i386/northbridge.c @@ -0,0 +1,134 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include "chip.h" +#include "northbridge.h" + +#define BRIDGE_IO_MASK (IORESOURCE_IO | IORESOURCE_MEM) + +static void pci_domain_read_resources(device_t dev) +{ + struct resource *resource; + + /* Initialize the system wide io space constraints */ + resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0,0)); + resource->limit = 0xffffUL; + resource->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED; + + /* Initialize the system wide memory resources constraints */ + resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1,0)); + resource->limit = 0xffffffffULL; + resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED; +} + +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; +} + +static void pci_domain_set_resources(device_t dev) +{ + device_t mc_dev; + uint32_t pci_tolm; + uint32_t idx; + + pci_tolm = find_pci_tolm(&dev->link[0]); + mc_dev = dev->link[0].children; + if (mc_dev) { + unsigned long tomk, tolmk; + /* Hard code the Top of memory for now */ + tomk = 65536; + /* Compute the top of Low memory */ + tolmk = pci_tolm >> 10; + if (tolmk >= tomk) { + /* The PCI hole does not overlap memory. + */ + tolmk = tomk; + } + + /* Report the memory regions */ + idx = 10; + ram_resource(dev, idx++, 0, 640); + ram_resource(dev, idx++, 768, tolmk - 768); + if (tomk > 4*1024*1024) { + ram_resource(dev, idx++, 4096*1024, tomk - 4*1024*1024); + } + } + assign_resources(&dev->link[0]); +} + +static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max) +{ + max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max); + return max; +} + +static struct device_operations pci_domain_ops = { + .read_resources = pci_domain_read_resources, + .set_resources = 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_i386_ops = { + CHIP_NAME("QEMU Northbridge") + .enable_dev = enable_dev, +}; + +void udelay(int usecs) +{ + int i; + for(i = 0; i < usecs; i++) + outb(i&0xff, 0x80); +} + + diff --git a/src/cpu/emulation/qemu-i386/northbridge.h b/src/cpu/emulation/qemu-i386/northbridge.h new file mode 100644 index 0000000000..c74e63b97d --- /dev/null +++ b/src/cpu/emulation/qemu-i386/northbridge.h @@ -0,0 +1,5 @@ +#ifndef NORTHBRIDGE_EMULATION_QEMU_I386_H +#define NORTHBRIDGE_EMULATION_QEMU_I386_H + + +#endif /* NORTHBRIDGE_EMULATION_QEMU_I386 */ diff --git a/src/mainboard/emulation/qemu-i386/Config.lb b/src/mainboard/emulation/qemu-i386/Config.lb index c6655d9294..8b1e12010d 100644 --- a/src/mainboard/emulation/qemu-i386/Config.lb +++ b/src/mainboard/emulation/qemu-i386/Config.lb @@ -2,8 +2,11 @@ ## Compute the location and size of where this firmware image ## (linuxBIOS plus bootloader) will live in the boot rom chip. ## +default ROM_SIZE = 256 * 1024 +default FALLBACK_SIZE = 128*1024 + if USE_FALLBACK_IMAGE - default ROM_SECTION_SIZE = FALLBACK_SIZE + default ROM_SECTION_SIZE = 128 * 1024 # FALLBACK_SIZE default ROM_SECTION_OFFSET = ( ROM_SIZE - FALLBACK_SIZE ) else default ROM_SECTION_SIZE = ( ROM_SIZE - FALLBACK_SIZE ) @@ -29,19 +32,22 @@ default _ROMBASE = ( CONFIG_ROM_STREAM_START + PAYLOAD_SIZE ) ## XIP_ROM_SIZE must be a power of 2. ## XIP_ROM_BASE must be a multiple of XIP_ROM_SIZE ## -default XIP_ROM_SIZE=65536 +default XIP_ROM_SIZE=32*1024 default XIP_ROM_BASE = ( _ROMBASE + ROM_IMAGE_SIZE - XIP_ROM_SIZE ) -arch i386 end +## +## Set all of the defaults for an x86 architecture +## + +arch i386 end ## ## Build the objects we have code for in this directory. ## driver mainboard.o -if HAVE_MP_TABLE object mptable.o end if HAVE_PIRQ_TABLE object irq_tables.o end -#object reset.o +object reset.o ## ## Romcc output @@ -58,11 +64,11 @@ end makerule ./auto.E depends "$(MAINBOARD)/auto.c option_table.h ./romcc" - action "./romcc -E -mcpu=i386 -O2 -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@" + action "./romcc -E -mcpu=i386 -O -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@" end makerule ./auto.inc depends "$(MAINBOARD)/auto.c option_table.h ./romcc" - action "./romcc -mcpu=i386 -O2 -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@" + action "./romcc -mcpu=i386 -O -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@" end ## @@ -111,11 +117,7 @@ end ## Setup RAM ## mainboardinit cpu/x86/fpu/enable_fpu.inc -#mainboardinit cpu/x86/mmx/enable_mmx.inc # emulators dont do mmx+sse -#mainboardinit cpu/x86/sse/enable_sse.inc mainboardinit ./auto.inc -#mainboardinit cpu/x86/sse/disable_sse.inc -#mainboardinit cpu/x86/mmx/disable_mmx.inc ## ## Include the secondary Configuration files @@ -123,8 +125,11 @@ mainboardinit ./auto.inc dir /pc80 config chip.h -chip northbridge/emulation/qemu-i386 - device pci_domain 0 on - end +chip cpu/emulation/qemu-i386 + device pci_domain 0 on + device pci 0.0 on end + device pci 1.0 on end +# register "com1" = "{1}" +# register "com1" = "{1, 0, 0x3f8, 4}" + end end - diff --git a/src/mainboard/emulation/qemu-i386/Options.lb b/src/mainboard/emulation/qemu-i386/Options.lb index d12a1c3592..27982ce4fb 100644 --- a/src/mainboard/emulation/qemu-i386/Options.lb +++ b/src/mainboard/emulation/qemu-i386/Options.lb @@ -3,66 +3,61 @@ uses HAVE_PIRQ_TABLE uses USE_FALLBACK_IMAGE uses HAVE_FALLBACK_BOOT uses HAVE_HARD_RESET -uses IRQ_SLOT_COUNT uses HAVE_OPTION_TABLE -uses CONFIG_MAX_CPUS -uses CONFIG_IOAPIC -uses CONFIG_SMP +uses USE_OPTION_TABLE +uses CONFIG_COMPRESS +uses CONFIG_ROM_STREAM +uses IRQ_SLOT_COUNT +uses MAINBOARD +uses MAINBOARD_VENDOR +uses MAINBOARD_PART_NUMBER +uses LINUXBIOS_EXTRA_VERSION +uses ARCH uses FALLBACK_SIZE +uses STACK_SIZE +uses HEAP_SIZE uses ROM_SIZE uses ROM_SECTION_SIZE uses ROM_IMAGE_SIZE uses ROM_SECTION_SIZE uses ROM_SECTION_OFFSET -uses CONFIG_ROM_STREAM uses CONFIG_ROM_STREAM_START uses PAYLOAD_SIZE uses _ROMBASE +uses _RAMBASE uses XIP_ROM_SIZE uses XIP_ROM_BASE -uses STACK_SIZE -uses HEAP_SIZE -uses USE_OPTION_TABLE -uses LB_CKS_RANGE_START -uses LB_CKS_RANGE_END -uses LB_CKS_LOC -uses MAINBOARD -uses MAINBOARD_PART_NUMBER -uses MAINBOARD_VENDOR -uses LINUXBIOS_EXTRA_VERSION -uses _RAMBASE -uses TTYS0_BAUD -uses TTYS0_BASE -uses TTYS0_LCS -uses DEFAULT_CONSOLE_LOGLEVEL -uses MAXIMUM_CONSOLE_LOGLEVEL -uses MAINBOARD_POWER_ON_AFTER_POWER_FAIL -uses CONFIG_CONSOLE_SERIAL8250 -uses HAVE_INIT_TIMER -uses CONFIG_GDB_STUB +uses HAVE_MP_TABLE uses CROSS_COMPILE uses CC uses HOSTCC uses OBJCOPY +uses CONFIG_CONSOLE_SERIAL8250 + + +uses DEFAULT_CONSOLE_LOGLEVEL +uses MAXIMUM_CONSOLE_LOGLEVEL + +default CONFIG_CONSOLE_SERIAL8250=1 +default DEFAULT_CONSOLE_LOGLEVEL=8 +default MAXIMUM_CONSOLE_LOGLEVEL=8 +## ROM_SIZE is the size of boot ROM that this board will use. +default ROM_SIZE = 256*1024 + ### ### Build options ### ## -## ROM_SIZE is the size of boot ROM that this board will use. -## -default ROM_SIZE=0x40000 - -## -## FALLBACK_SIZE is the amount of the ROM the complete fallback image will use +## Build code for the fallback boot ## -default FALLBACK_SIZE=0x40000 +default HAVE_FALLBACK_BOOT=1 ## -## Build code for the fallback boot +## no MP table ## -default HAVE_FALLBACK_BOOT=1 +default HAVE_MP_TABLE=0 ## ## Build code to reset the motherboard from linuxBIOS @@ -73,51 +68,21 @@ default HAVE_HARD_RESET=0 ## Build code to export a programmable irq routing table ## default HAVE_PIRQ_TABLE=0 -default IRQ_SLOT_COUNT=9 - -## -## Build code to export an x86 MP table -## Useful for specifying IRQ routing values -## -default HAVE_MP_TABLE=0 +default IRQ_SLOT_COUNT=5 +#object irq_tables.o ## ## Build code to export a CMOS option table ## default HAVE_OPTION_TABLE=1 -## -## Move the default LinuxBIOS cmos range off of AMD RTC registers -## -default LB_CKS_RANGE_START=49 -default LB_CKS_RANGE_END=122 -default LB_CKS_LOC=123 - -## -## Build code for SMP support -## Only worry about 2 micro processors -## -default CONFIG_SMP=0 -default CONFIG_MAX_CPUS=2 - -## -## Build code to setup a generic IOAPIC -## -default CONFIG_IOAPIC=1 - -## -## Clean up the motherboard id strings -## -default MAINBOARD_PART_NUMBER="x86" -default MAINBOARD_VENDOR="QEMU" - - ### ### LinuxBIOS layout values ### ## ROM_IMAGE_SIZE is the amount of space to allow linuxBIOS to occupy. default ROM_IMAGE_SIZE = 65536 +default FALLBACK_SIZE = 131072 ## ## Use a small 8K stack @@ -132,21 +97,12 @@ default HEAP_SIZE=0x4000 ## ## Only use the option table in a normal image ## -default USE_OPTION_TABLE = !USE_FALLBACK_IMAGE +#default USE_OPTION_TABLE = !USE_FALLBACK_IMAGE +default USE_OPTION_TABLE = 0 -## -## LinuxBIOS C code runs at this location in RAM -## -default _RAMBASE=0x00004000 +default _RAMBASE = 0x00004000 -## -## Load the payload from the ROM -## -default CONFIG_ROM_STREAM = 1 - -### -### Defaults of options that you may want to override in the target config file -### +default CONFIG_ROM_STREAM = 1 ## ## The default compiler @@ -154,56 +110,6 @@ default CONFIG_ROM_STREAM = 1 default CC="$(CROSS_COMPILE)gcc -m32" default HOSTCC="gcc" -## -## Disable the gdb stub by default -## -default CONFIG_GDB_STUB=0 - -## -## The Serial Console -## - -# To Enable the Serial Console -default CONFIG_CONSOLE_SERIAL8250=1 - -## Select the serial console baud rate -default TTYS0_BAUD=115200 -#default TTYS0_BAUD=57600 -#default TTYS0_BAUD=38400 -#default TTYS0_BAUD=19200 -#default TTYS0_BAUD=9600 -#default TTYS0_BAUD=4800 -#default TTYS0_BAUD=2400 -#default TTYS0_BAUD=1200 - -# Select the serial console base port -default TTYS0_BASE=0x3f8 - -# Select the serial protocol -# This defaults to 8 data bits, 1 stop bit, and no parity -default TTYS0_LCS=0x3 - -## -### Select the linuxBIOS loglevel -## -## EMERG 1 system is unusable -## ALERT 2 action must be taken immediately -## CRIT 3 critical conditions -## ERR 4 error conditions -## WARNING 5 warning conditions -## NOTICE 6 normal but significant condition -## INFO 7 informational -## DEBUG 8 debug-level messages -## SPEW 9 Way too many details - -## Request this level of debugging output -default DEFAULT_CONSOLE_LOGLEVEL=9 -## At a maximum only compile in this level of debugging -default MAXIMUM_CONSOLE_LOGLEVEL=9 +end -## -## Select power on after power fail setting -default MAINBOARD_POWER_ON_AFTER_POWER_FAIL="MAINBOARD_POWER_ON" -### End Options.lb -end diff --git a/src/mainboard/emulation/qemu-i386/chip.h b/src/mainboard/emulation/qemu-i386/chip.h index 51e37b1bc3..3aae25c769 100644 --- a/src/mainboard/emulation/qemu-i386/chip.h +++ b/src/mainboard/emulation/qemu-i386/chip.h @@ -1,5 +1,4 @@ extern struct chip_operations mainboard_emulation_qemu_i386_ops; struct mainboard_emulation_qemu_i386_config { - int nothing; }; diff --git a/src/northbridge/emulation/qemu-i386/Config.lb b/src/northbridge/emulation/qemu-i386/Config.lb deleted file mode 100644 index 4a0c2c8658..0000000000 --- a/src/northbridge/emulation/qemu-i386/Config.lb +++ /dev/null @@ -1,2 +0,0 @@ -config chip.h -object northbridge.o diff --git a/src/northbridge/emulation/qemu-i386/chip.h b/src/northbridge/emulation/qemu-i386/chip.h deleted file mode 100644 index 891c6cc448..0000000000 --- a/src/northbridge/emulation/qemu-i386/chip.h +++ /dev/null @@ -1,5 +0,0 @@ -struct northbridge_emulation_qemu_i386_config -{ -}; - -extern struct chip_operations northbridge_emulation_qemu_i386_ops; diff --git a/src/northbridge/emulation/qemu-i386/northbridge.c b/src/northbridge/emulation/qemu-i386/northbridge.c deleted file mode 100644 index dd120e29a5..0000000000 --- a/src/northbridge/emulation/qemu-i386/northbridge.c +++ /dev/null @@ -1,125 +0,0 @@ -#include -#include -#include -#include -#include -#include -#include -#include -#include "chip.h" -#include "northbridge.h" - -#define BRIDGE_IO_MASK (IORESOURCE_IO | IORESOURCE_MEM) - -static void pci_domain_read_resources(device_t dev) -{ - struct resource *resource; - - /* Initialize the system wide io space constraints */ - resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0,0)); - resource->limit = 0xffffUL; - resource->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED; - - /* Initialize the system wide memory resources constraints */ - resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1,0)); - resource->limit = 0xffffffffULL; - resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED; -} - -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; -} - -static void pci_domain_set_resources(device_t dev) -{ - device_t mc_dev; - uint32_t pci_tolm; - uint32_t idx; - - pci_tolm = find_pci_tolm(&dev->link[0]); - mc_dev = dev->link[0].children; - if (mc_dev) { - unsigned long tomk, tolmk; - /* Hard code the Top of memory for now */ - tomk = 65536; - /* Compute the top of Low memory */ - tolmk = pci_tolm >> 10; - if (tolmk >= tomk) { - /* The PCI hole does not overlap memory. - */ - tolmk = tomk; - } - - /* Report the memory regions */ - idx = 10; - ram_resource(dev, idx++, 0, 640); - ram_resource(dev, idx++, 768, tolmk - 768); - if (tomk > 4*1024*1024) { - ram_resource(dev, idx++, 4096*1024, tomk - 4*1024*1024); - } - } - assign_resources(&dev->link[0]); -} - -static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max) -{ - max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max); - return max; -} - -static struct device_operations pci_domain_ops = { - .read_resources = pci_domain_read_resources, - .set_resources = 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 northbridge_emulation_qemu_i386_ops = { - CHIP_NAME("QEMU Northbridge") - .enable_dev = enable_dev, -}; diff --git a/src/northbridge/emulation/qemu-i386/northbridge.h b/src/northbridge/emulation/qemu-i386/northbridge.h deleted file mode 100644 index c74e63b97d..0000000000 --- a/src/northbridge/emulation/qemu-i386/northbridge.h +++ /dev/null @@ -1,5 +0,0 @@ -#ifndef NORTHBRIDGE_EMULATION_QEMU_I386_H -#define NORTHBRIDGE_EMULATION_QEMU_I386_H - - -#endif /* NORTHBRIDGE_EMULATION_QEMU_I386 */ -- cgit v1.2.3