From 7d30f2e754e5f102dbd20de96bbbea028de28f37 Mon Sep 17 00:00:00 2001 From: Greg Watson Date: Wed, 19 Oct 2005 18:18:10 +0000 Subject: [PATCH] start of 970 port git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2058 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/northbridge/ibm/cpc925/Config.lb | 12 ++ src/northbridge/ibm/cpc925/chip.h | 6 + src/northbridge/ibm/cpc925/cpc925.c | 24 ++++ src/northbridge/ibm/cpc925/cpc925.h | 4 + .../ibm/cpc925/cpc925_northbridge.c | 103 ++++++++++++++++++ src/northbridge/ibm/cpc925/cpc925_pci.c | 9 ++ src/northbridge/ibm/cpc925/cpc925_pci.h | 4 + 7 files changed, 162 insertions(+) create mode 100644 src/northbridge/ibm/cpc925/Config.lb create mode 100644 src/northbridge/ibm/cpc925/chip.h create mode 100644 src/northbridge/ibm/cpc925/cpc925.c create mode 100644 src/northbridge/ibm/cpc925/cpc925.h create mode 100644 src/northbridge/ibm/cpc925/cpc925_northbridge.c create mode 100644 src/northbridge/ibm/cpc925/cpc925_pci.c create mode 100644 src/northbridge/ibm/cpc925/cpc925_pci.h diff --git a/src/northbridge/ibm/cpc925/Config.lb b/src/northbridge/ibm/cpc925/Config.lb new file mode 100644 index 0000000000..8559c2e66a --- /dev/null +++ b/src/northbridge/ibm/cpc925/Config.lb @@ -0,0 +1,12 @@ +# +# Config file for IBM CPC925 +# + +config chip.h + +initobject cpc925.o +initobject cpc925_pci.o + +object cpc925.o +object cpc925_pci.o +driver cpc925_northbridge.o diff --git a/src/northbridge/ibm/cpc925/chip.h b/src/northbridge/ibm/cpc925/chip.h new file mode 100644 index 0000000000..1221bb3173 --- /dev/null +++ b/src/northbridge/ibm/cpc925/chip.h @@ -0,0 +1,6 @@ + +struct northbridge_ibm_cpc925_config { + /* Nothing yet */ +}; + +extern struct chip_operations northbridge_ibm_cpc925_ops; diff --git a/src/northbridge/ibm/cpc925/cpc925.c b/src/northbridge/ibm/cpc925/cpc925.c new file mode 100644 index 0000000000..6bf126579a --- /dev/null +++ b/src/northbridge/ibm/cpc925/cpc925.c @@ -0,0 +1,24 @@ +#include +#include +#include "cpc925.h" + +void cpc925_init(void); +void sdram_init(void); + +void +memory_init(void) +{ + cpc925_init(); + sdram_init(); + cpc925_pci_init(); +} + +void +cpc925_init(void) +{ +} + +void +sdram_init() +{ +} diff --git a/src/northbridge/ibm/cpc925/cpc925.h b/src/northbridge/ibm/cpc925/cpc925.h new file mode 100644 index 0000000000..2987f7d34e --- /dev/null +++ b/src/northbridge/ibm/cpc925/cpc925.h @@ -0,0 +1,4 @@ +#ifndef _CPC925_H_ +#define _CPC925_H_ + +#endif diff --git a/src/northbridge/ibm/cpc925/cpc925_northbridge.c b/src/northbridge/ibm/cpc925/cpc925_northbridge.c new file mode 100644 index 0000000000..10e484b9ce --- /dev/null +++ b/src/northbridge/ibm/cpc925/cpc925_northbridge.c @@ -0,0 +1,103 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "chip.h" + +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->base = 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->base = 0x80000000ULL; + resource->limit = 0xfeffffffULL; /* We can put pci resources in the system controll area */ + 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 pci_domain_set_resources(device_t dev) +{ + int idx; + + /* Report the memory regions */ + idx = 10; + ram_resource(dev, idx++, 0, 1024*1024); /* FIXME */ + + /* And assign the resources */ + 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, + .ops_pci_bus = &pci_ppc_conf1, +}; + +static void cpu_bus_init(device_t dev) +{ + initialize_cpus(&dev->link[0]); +} + +static void cpu_bus_noop(device_t dev) +{ +} + +static struct device_operations cpu_bus_ops = { + .read_resources = cpu_bus_noop, + .set_resources = cpu_bus_noop, + .enable_resources = cpu_bus_noop, + .init = cpu_bus_init, + .scan_bus = 0, +}; + +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; + } + else if (dev->path.type == DEVICE_PATH_CPU_BUS) { + dev->ops = &cpu_bus_ops; + } +} + +struct chip_operations northbridge_ibm_cpc925_ops = { + CHIP_NAME("CPC925") + .enable_dev = enable_dev, +}; diff --git a/src/northbridge/ibm/cpc925/cpc925_pci.c b/src/northbridge/ibm/cpc925/cpc925_pci.c new file mode 100644 index 0000000000..ae31685cad --- /dev/null +++ b/src/northbridge/ibm/cpc925/cpc925_pci.c @@ -0,0 +1,9 @@ +#include +#include +#include "cpc925.h" +#include "cpc925_pci.h" + +void +cpc925_pci_init(void) +{ +} diff --git a/src/northbridge/ibm/cpc925/cpc925_pci.h b/src/northbridge/ibm/cpc925/cpc925_pci.h new file mode 100644 index 0000000000..3415b2e057 --- /dev/null +++ b/src/northbridge/ibm/cpc925/cpc925_pci.h @@ -0,0 +1,4 @@ +#ifndef _CPC925_PCI_H_ +#define _CPC925_PCI_H_ + +#endif