/* * (C) Copyright 2004 Nick Barker * * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #include #include #include #include #include #include #include "rl5c476.h" #include "chip.h" static void udelay(int i){ for(; i > 0 ; i--) inb(0x80); } static void dump_south(void) { device_t dev0; dev0 = dev_find_device(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C476, 0); dev0 = dev_find_device(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C476, dev0); int i,j; for(i = 0; i < 256; i += 16) { printk_debug("0x%x: ", i); for(j = 0; j < 16; j++) { printk_debug("%02x ", pci_read_config8(dev0, i+j)); } printk_debug("\n"); } printk_debug("Card32\n"); for(i = 0 ; i < 256 ; i+=16){ printk_debug("0x%x: ",i); for(j = 0 ; j < 16 ; j++){ printk_debug(" %02x",*(unsigned char *)(0x80000000+i+j)); } printk_debug("\n"); } printk_debug("Card16\n"); for(i = 0; i < 256; i += 16) { printk_debug("0x%x: ", i); for(j = 0; j < 16; j++) { printk_debug("%02x ", *(unsigned char *)(0x80000800+ i+j)); } printk_debug("\n"); } printk_debug("CF Config\n"); for(i = 0 ; i < 256 ; i+=16){ printk_debug("0x%x: ",i); for(j=0 ; j < 16 ; j++){ printk_debug("%02x ",*(unsigned char *)(0x81000200 + i + j)); } printk_debug("\n"); } } static void rl5c476_init(device_t dev) { //unsigned char enables; pc16reg_t *pc16; int i; #error "FIXME implement carbus bridge support" #error "FIXME this code is close to a but the conversion needs more work" /* cardbus controller function 1 for CF Socket */ printk_debug("rl5c476 init\n"); /* setup pci header manually because 'pci_device.c' doesn't know how to handle * pci to cardbus bridges - (header type 2 I think) */ /* initialize function zero - pcmcia socket so it behaves itself */ /* FIXME - statically put control memory at 0xe0000000 for now * one day the pci_device allocator might do this */ pci_write_config32(dev,0x10,0xe0000000); pci_write_config8(dev,0x0d,0x20); pci_write_config8(dev,0x19,0x02); pci_write_config8(dev,0x1a,0x02); pci_write_config8(dev,0x1b,0x20); //pci_write_config8(dev,0x3c,0); pci_write_config8(dev,0x82,0x00a0); pci_write_config16(dev,0x04,0x07); /* get second function - i.e. compact flash socket */ dev = dev_find_device(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C476, dev); /* FIXME - control structure statically declared at 0xe0008000 for now */ pci_write_config32(dev,0x10,0xe0008000); pci_write_config8(dev,0x0d,0x20); pci_write_config8(dev,0x19,0x03); pci_write_config8(dev,0x1a,0x03); pci_write_config8(dev,0x1b,0x20); //pci_write_config8(dev,0x3c,0x0); pci_write_config16(dev,0x3e,0x0780); pci_write_config16(dev,0x82,0x00a0); pci_write_config16(dev,0x04,0x07); /* pick up where 16 bit card control structure is */ pc16 = (pc16reg_t *)(0xe0008800); /* disable memory and io windows and turn off socket power */ pc16->pwctrl = 0; /* disable irq lines */ pc16->igctrl = 0; /* disable memory and I/O windows */ pc16->awinen = 0; /* reset card, configure for I/O and set IRQ line */ pc16->igctrl = 0x69; // set io window 0 for 1e8 - 1ef pc16->iostl0 = 0xe8; pc16->iosth0 = 1; pc16->iospl0 = 0xef; pc16->iosph0 = 1; // add io offset of 8 so that CF card will decode 0x1e8 as 0x1f0 i.e. the first byte of // a 16 byte aligned, 16 byte window etc pc16->ioffl0 = 0x8; pc16->ioffh0 = 0; // set io window 1 for 3ed - 3ee pc16->iostl1 = 0xed; pc16->iosth1 = 3; pc16->iospl1 = 0xee; pc16->iosph1 = 3; pc16->ioffl1 = 0x0; pc16->ioffh1 = 0; // FIXME statically declare CF config window at 0xe1000000 pc16->smstl0 = 0; pc16->smsth0 = 0; pc16->smspl0 = 0; pc16->smsph0 = 0x80; pc16->moffl0 = 0; pc16->moffh0 = 0x40; pc16->smpga0 = 0xe1; // set I/O width for Auto Data width pc16->ioctrl = 0x22; // enable I/O window 0 and 1 pc16->awinen = 0xc1; pc16->miscc1 = 1; // apply power and enable outputs pc16->pwctrl = 0xb0; // delay could be optimised, but this works udelay(100000); pc16->igctrl = 0x69; unsigned char *cptr; cptr = (unsigned char *)(0xe1000200); printk_debug("CF Config = %x\n",*cptr); // FIX Me 16 bit CF always have first config byte at 0x200 into Config structure, // but CF+ May Not according to spec - should locate through reading tuple data, // but this will do for now !!! // set CF to decode 16 IO bytes on any 16 byte boundary - rely on the io // windows of the bridge set up above to map those bytes into the // addresses for ide controller 3 (0x1e8 - 0x1ef and 0x3ed - 0x3ee) *cptr = 0x41; } static struct device_operations ricoh_rl5c476_ops = { .read_resources = pci_bus_read_resources, .set_resources = pci_dev_set_resources, .enable_resources = pci_bus_enable_resources, .inti = rl5c476_init, .scan_bus = pci_scan_bridge, }; static struct pci_driver ricoh_rl5c476_driver __pci_driver = { .ops = &ricoh_rl5c476_ops, .vendor = PCI_VENDOR_ID_RICOH, .device = PCI_DEVICE_ID_RICOH_RL5C476, }; struct chip_operations southbridge_ricoh_rl5c476_control = { .enable = southbridge_init, .name = "RICOH RL5C476" };