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| author | Ronald G. Minnich <rminnich@gmail.com> | 2005-09-23 17:08:58 +0000 |
|---|---|---|
| committer | Ronald G. Minnich <rminnich@gmail.com> | 2005-09-23 17:08:58 +0000 |
| commit | 87888630b27ae64218abc1abcf06a213eb342d97 (patch) | |
| tree | dacc71f2b82b9619f81995cd1c2871d6096a6c38 /src/cpu | |
| parent | a25120a30fd1738fada2df0d5528430f9f9070c1 (diff) | |
| download | coreboot-87888630b27ae64218abc1abcf06a213eb342d97.tar.xz | |
sc520 support -- ethernet works
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2047 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/cpu')
| -rw-r--r-- | src/cpu/amd/sc520/sc520.c | 43 |
1 files changed, 41 insertions, 2 deletions
diff --git a/src/cpu/amd/sc520/sc520.c b/src/cpu/amd/sc520/sc520.c index 8a0334bbb3..1199ec4b50 100644 --- a/src/cpu/amd/sc520/sc520.c +++ b/src/cpu/amd/sc520/sc520.c @@ -37,11 +37,31 @@ static void cpu_init(device_t dev) } +/* Ollie says: make a northbridge/amd/sc520. Ron sez: + * there is no real northbridge, keep it here in cpu. + * Ron wins, he's writing the code. + */ +void sc520_enable_resources(struct device *dev) { + unsigned char command; + + printk_spew("%s\n", __FUNCTION__); + command = pci_read_config8(dev, PCI_COMMAND); + printk_spew("========>%s, command 0x%x\n", __FUNCTION__, command); + command |= PCI_COMMAND_MEMORY | PCI_COMMAND_PARITY | PCI_COMMAND_SERR; + printk_spew("========>%s, command 0x%x\n", __FUNCTION__, command); + pci_write_config8(dev, PCI_COMMAND, command); + command = pci_read_config8(dev, PCI_COMMAND); + printk_spew("========>%s, command 0x%x\n", __FUNCTION__, command); +/* + */ + +} + static struct device_operations cpu_operations = { .read_resources = pci_dev_read_resources, .set_resources = pci_dev_set_resources, - .enable_resources = pci_dev_enable_resources, + .enable_resources = sc520_enable_resources, .init = cpu_init, .enable = 0, .ops_pci = 0, @@ -166,10 +186,29 @@ static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max) return max; } + +static void enable_resources(device_t dev) { + + printk_spew("%s\n", __FUNCTION__); + printk_spew("THIS IS FOR THE SC520 =============================\n"); + +/* + command = pci_read_config8(dev, PCI_COMMAND); + printk_spew("%s, command 0x%x\n", __FUNCTION__, command); + command |= PCI_COMMAND_MEMORY; + printk_spew("%s, command 0x%x\n", __FUNCTION__, command); + pci_write_config8(dev, PCI_COMMAND, command); + command = pci_read_config8(dev, PCI_COMMAND); + printk_spew("%s, command 0x%x\n", __FUNCTION__, command); + */ + enable_childrens_resources(dev); + printk_spew("%s\n", __FUNCTION__); +} + static struct device_operations pci_domain_ops = { .read_resources = pci_domain_read_resources, .set_resources = pci_domain_set_resources, - .enable_resources = enable_childrens_resources, + .enable_resources = enable_resources, .init = 0, .scan_bus = pci_domain_scan_bus, }; |