diff options
author | Li-Ta Lo <ollie@lanl.gov> | 2004-04-26 17:51:20 +0000 |
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committer | Li-Ta Lo <ollie@lanl.gov> | 2004-04-26 17:51:20 +0000 |
commit | 5782d273eb79ed32d344273cf344b1580a936183 (patch) | |
tree | 37f7e3d68dcab4cc42fb09ca54d5250d910e9763 /src/northbridge/amd/amdk8/northbridge.c | |
parent | 1e1a34fdd184a85569b645923b743ec5524fab1d (diff) |
check in the current code for IBM/E325, can somebody help to fix it ?
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1538 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/northbridge/amd/amdk8/northbridge.c')
-rw-r--r-- | src/northbridge/amd/amdk8/northbridge.c | 110 |
1 files changed, 58 insertions, 52 deletions
diff --git a/src/northbridge/amd/amdk8/northbridge.c b/src/northbridge/amd/amdk8/northbridge.c index d63f416717..26bfdcc6f5 100644 --- a/src/northbridge/amd/amdk8/northbridge.c +++ b/src/northbridge/amd/amdk8/northbridge.c @@ -85,8 +85,7 @@ struct mem_range *sizeram(void) } if ((mem[idx - 1].basek + mem[idx - 1].sizek) <= 4*1024*1024) { idx -= 1; - } - else { + } else { mem[idx - 1].basek = 4*1024*1024; mem[idx - 1].sizek -= (4*1024*1024 - mmio_basek); } @@ -113,12 +112,12 @@ static device_t __f1_dev[F1_DEVS]; static void debug_f1_devs(void) { int i; - for(i = 0; i < F1_DEVS; i++) { + for (i = 0; i < F1_DEVS; i++) { device_t dev; dev = __f1_dev[i]; if (dev) { printk_debug("__f1_dev[%d]: %s bus: %p\n", - i, dev_path(dev), dev->bus); + i, dev_path(dev), dev->bus); } } } @@ -130,7 +129,7 @@ static void get_f1_devs(void) if (__f1_dev[0]) { return; } - for(i = 0; i < F1_DEVS; i++) { + for (i = 0; i < F1_DEVS; i++) { __f1_dev[i] = dev_find_slot(0, PCI_DEVFN(0x18 + i, 1)); } if (!__f1_dev[0]) { @@ -148,7 +147,7 @@ static void f1_write_config32(unsigned reg, uint32_t value) { int i; get_f1_devs(); - for(i = 0; i < F1_DEVS; i++) { + for (i = 0; i < F1_DEVS; i++) { device_t dev; dev = __f1_dev[i]; if (dev) { @@ -162,16 +161,18 @@ static unsigned int amdk8_nodeid(device_t dev) return (dev->path.u.pci.devfn >> 3) - 0x18; } - static unsigned int amdk8_scan_chains(device_t dev, unsigned int max) { unsigned nodeid; unsigned link; + nodeid = amdk8_nodeid(dev); + #if 1 printk_debug("amdk8_scan_chains max: %d starting...\n", max); #endif - for(link = 0; link < dev->links; link++) { + + for (link = 0; link < dev->links; link++) { uint32_t link_type; uint32_t busses, config_busses; unsigned free_reg, config_reg; @@ -188,7 +189,8 @@ static unsigned int amdk8_scan_chains(device_t dev, unsigned int max) if (!(link_type & NonCoherent)) { continue; } - /* See if there is an available configuration space mapping register in function 1. */ + /* See if there is an available configuration space mapping register + * in function 1. */ free_reg = 0; for(config_reg = 0xe0; config_reg <= 0xec; config_reg += 4) { uint32_t config; @@ -206,14 +208,15 @@ static unsigned int amdk8_scan_chains(device_t dev, unsigned int max) if (free_reg && (config_reg > 0xec)) { config_reg = free_reg; } - /* If we can't find an available configuration space mapping register skip this bus */ + /* If we can't find an available configuration space mapping + * register skip this bus */ if (config_reg > 0xec) { continue; } - /* Set up the primary, secondary and subordinate bus numbers. We have - * no idea how many busses are behind this bridge yet, so we set the subordinate - * bus number to 0xff for the moment. + /* Set up the primary, secondary and subordinate bus numbers. + * We have no idea how many busses are behind this bridge yet, + * so we set the subordinate bus number to 0xff for the moment. */ dev->link[link].secondary = ++max; dev->link[link].subordinate = 0xff; @@ -225,8 +228,8 @@ static unsigned int amdk8_scan_chains(device_t dev, unsigned int max) config_busses = f1_read_config32(config_reg); /* Configure the bus numbers for this bridge: the configuration - * transactions will not be propagates by the bridge if it is not - * correctly configured + * transactions will not be propagates by the bridge if it is + * not correctly configured */ busses &= 0xff000000; busses |= (((unsigned int)(dev->bus->secondary) << 0) | @@ -244,24 +247,29 @@ static unsigned int amdk8_scan_chains(device_t dev, unsigned int max) f1_write_config32(config_reg, config_busses); #if 1 - printk_debug("Hyper transport scan link: %d max: %d\n", link, max); -#endif - /* Now we can scan all of the subordinate busses i.e. the chain on the hypertranport link */ + printk_debug("Hyper transport scan link: %d max: %d\n", + link, max); +#endif + + /* Now we can scan all of the subordinate busses i.e. the + * chain on the hypertranport link */ max = hypertransport_scan_chain(&dev->link[link], max); #if 1 - printk_debug("Hyper transport scan link: %d new max: %d\n", link, max); + printk_debug("Hyper transport scan link: %d new max: %d\n", + link, max); #endif - /* We know the number of busses behind this bridge. Set the subordinate - * bus number to it's real value + /* We know the number of busses behind this bridge. Set the + * subordinate bus number to it's real value */ dev->link[link].subordinate = max; busses = (busses & 0xff00ffff) | ((unsigned int) (dev->link[link].subordinate) << 16); pci_write_config32(dev, dev->link[link].cap + 0x14, busses); - config_busses = (config_busses & 0x00ffffff) | (dev->link[link].subordinate << 24); + config_busses = (config_busses & 0x00ffffff) | + (dev->link[link].subordinate << 24); f1_write_config32(config_reg, config_busses); #if 1 printk_debug("Hypertransport scan link done\n"); @@ -273,13 +281,12 @@ static unsigned int amdk8_scan_chains(device_t dev, unsigned int max) return max; } - static unsigned amdk8_find_iopair(unsigned nodeid, unsigned link) { unsigned free_reg, reg; free_reg = 0; - for(reg = 0xc0; reg <= 0xd8; reg += 0x8) { + for (reg = 0xc0; reg <= 0xd8; reg += 0x8) { uint32_t base, limit; base = f1_read_config32(reg); limit = f1_read_config32(reg + 0x4); @@ -289,8 +296,8 @@ static unsigned amdk8_find_iopair(unsigned nodeid, unsigned link) } /* Do I have a match for this node and link? */ if (((base & 3) == 3) && - ((limit & 7) == nodeid) && - (((limit >> 4) & 3) == link)) { + ((limit & 7) == nodeid) && + (((limit >> 4) & 3) == link)) { break; } } @@ -305,8 +312,9 @@ static unsigned amdk8_find_iopair(unsigned nodeid, unsigned link) static unsigned amdk8_find_mempair(unsigned nodeid, unsigned link) { unsigned free_reg, reg; + free_reg = 0; - for(reg = 0x80; reg <= 0xb8; reg += 0x8) { + for (reg = 0x80; reg <= 0xb8; reg += 0x8) { uint32_t base, limit; base = f1_read_config32(reg); limit = f1_read_config32(reg + 0x4); @@ -345,7 +353,7 @@ static void amdk8_link_read_bases(device_t dev, unsigned nodeid, unsigned link) dev->resource[reg].flags = IORESOURCE_IO; dev->resource[reg].index = index | (link & 0x3); compute_allocate_resource(&dev->link[link], &dev->resource[reg], - IORESOURCE_IO, IORESOURCE_IO); + IORESOURCE_IO, IORESOURCE_IO); reg++; } @@ -360,7 +368,7 @@ static void amdk8_link_read_bases(device_t dev, unsigned nodeid, unsigned link) dev->resource[reg].flags = IORESOURCE_MEM; dev->resource[reg].index = index | (link & 0x3); compute_allocate_resource(&dev->link[link], &dev->resource[reg], - IORESOURCE_MEM, IORESOURCE_MEM); + IORESOURCE_MEM, IORESOURCE_MEM); reg++; } dev->resources = reg; @@ -372,14 +380,15 @@ static void amdk8_read_resources(device_t dev) nodeid = amdk8_nodeid(dev); dev->resources = 0; memset(&dev->resource, 0, sizeof(dev->resource)); - for(link = 0; link < dev->links; link++) { + for (link = 0; link < dev->links; link++) { if (dev->link[link].children) { amdk8_link_read_bases(dev, nodeid, link); } } } -static void amdk8_set_resource(device_t dev, struct resource *resource, unsigned nodeid) +static void amdk8_set_resource(device_t dev, struct resource *resource, + unsigned nodeid) { unsigned long rbase, rlimit; unsigned reg, link; @@ -402,7 +411,8 @@ static void amdk8_set_resource(device_t dev, struct resource *resource, unsigned rbase = resource->base; /* Get the limit (rounded up) */ - rlimit = rbase + ((resource->size + resource->align - 1UL) & ~(resource->align -1)) - 1UL; + rlimit = rbase + ((resource->size + resource->align - 1UL) & + ~(resource->align -1)) - 1UL; /* Get the register and link */ reg = resource->index & ~3; @@ -411,7 +421,7 @@ static void amdk8_set_resource(device_t dev, struct resource *resource, unsigned if (resource->flags & IORESOURCE_IO) { uint32_t base, limit; compute_allocate_resource(&dev->link[link], resource, - IORESOURCE_IO, IORESOURCE_IO); + IORESOURCE_IO, IORESOURCE_IO); base = f1_read_config32(reg); limit = f1_read_config32(reg + 0x4); base &= 0xfe000fcc; @@ -431,11 +441,10 @@ static void amdk8_set_resource(device_t dev, struct resource *resource, unsigned f1_write_config32(reg + 0x4, limit); f1_write_config32(reg, base); - } - else if (resource->flags & IORESOURCE_MEM) { + } else if (resource->flags & IORESOURCE_MEM) { uint32_t base, limit; compute_allocate_resource(&dev->link[link], resource, - IORESOURCE_MEM, IORESOURCE_MEM); + IORESOURCE_MEM, IORESOURCE_MEM); base = f1_read_config32(reg); limit = f1_read_config32(reg + 0x4); base &= 0x000000f0; @@ -449,13 +458,9 @@ static void amdk8_set_resource(device_t dev, struct resource *resource, unsigned f1_write_config32(reg, base); } resource->flags |= IORESOURCE_STORED; - printk_debug( - "%s %02x <- [0x%08lx - 0x%08lx] node %d link %d %s\n", - dev_path(dev), - reg, - rbase, rlimit, - nodeid, link, - (resource->flags & IORESOURCE_IO)? "io": "mem"); + printk_debug("%s %02x <- [0x%08lx - 0x%08lx] node %d link %d %s\n", + dev_path(dev), reg, rbase, rlimit, nodeid, link, + (resource->flags & IORESOURCE_IO)? "io": "mem"); } static void amdk8_set_resources(device_t dev) @@ -467,11 +472,11 @@ static void amdk8_set_resources(device_t dev) nodeid = amdk8_nodeid(dev); /* Set each resource we have found */ - for(i = 0; i < dev->resources; i++) { + for (i = 0; i < dev->resources; i++) { amdk8_set_resource(dev, &dev->resource[i], nodeid); } - - for(link = 0; link < dev->links; link++) { + + for (link = 0; link < dev->links; link++) { struct bus *bus; bus = &dev->link[link]; if (bus->children) { @@ -484,7 +489,7 @@ unsigned int amdk8_scan_root_bus(device_t root, unsigned int max) { unsigned reg; /* Unmap all of the HT chains */ - for(reg = 0xe0; reg <= 0xec; reg += 4) { + for (reg = 0xe0; reg <= 0xec; reg += 4) { f1_write_config32(reg, 0); } max = pci_scan_bus(&root->link[0], PCI_DEVFN(0x18, 0), 0xff, max); @@ -538,14 +543,15 @@ static void amdk8_enable_resources(struct device *dev) } if (vgalink != 1) { - /* now find the IOPAIR that goes to vgalink and set the vga enable in the base part (0x30) */ - /* now allocate an MMIOPAIR and point it to the CPU0, LINK=vgalink */ - /* now set IORR1 so it has a hole for the 0xa0000-0xcffff region */ + /* now find the IOPAIR that goes to vgalink and set the vga + * enable in the base part (0x30) */ + /* now allocate an MMIOPAIR and point it to the CPU0, + * LINK=vgalink */ + /* now set IORR1 so it has a hole for the 0xa0000-0xcffff + * region */ } #endif - pci_dev_enable_resources(dev); - //enable_childrens_resources(dev); } static struct device_operations northbridge_operations = { |