diff options
Diffstat (limited to 'board/sc520_spunk/sc520_spunk.c')
-rw-r--r-- | board/sc520_spunk/sc520_spunk.c | 298 |
1 files changed, 0 insertions, 298 deletions
diff --git a/board/sc520_spunk/sc520_spunk.c b/board/sc520_spunk/sc520_spunk.c index dbb5c48..09f11bb 100644 --- a/board/sc520_spunk/sc520_spunk.c +++ b/board/sc520_spunk/sc520_spunk.c @@ -23,13 +23,10 @@ */ #include <common.h> -#include <pci.h> #include <netdev.h> #include <ds1722.h> #include <asm/io.h> -#include <asm/pci.h> #include <asm/ic/sc520.h> -#include <asm/ic/pci.h> #include <asm/ic/ssi.h> DECLARE_GLOBAL_DATA_PTR; @@ -98,156 +95,6 @@ static void irq_init(void) } - -/* PCI stuff */ -static void pci_sc520_spunk_fixup_irq(struct pci_controller *hose, pci_dev_t dev) -{ - int version = sc520_mmcr->sysinfo; - - /* a configurable lists of irqs to steal - * when we need one (a board with more pci interrupt pins - * would use a larger table */ - static int irq_list[] = { - CONFIG_SYS_FIRST_PCI_IRQ, - CONFIG_SYS_SECOND_PCI_IRQ, - CONFIG_SYS_THIRD_PCI_IRQ, - CONFIG_SYS_FORTH_PCI_IRQ - }; - static int next_irq_index=0; - - uchar tmp_pin; - int pin; - - pci_hose_read_config_byte(hose, dev, PCI_INTERRUPT_PIN, &tmp_pin); - pin = tmp_pin; - - pin-=1; /* pci config space use 1-based numbering */ - if (-1 == pin) { - return; /* device use no irq */ - } - - - /* map device number + pin to a pin on the sc520 */ - switch (PCI_DEV(dev)) { - case 6: /* ETH0 */ - pin+=SC520_PCI_INTA; - break; - - case 7: /* ETH1 */ - pin+=SC520_PCI_INTB; - break; - - case 8: /* Crypto */ - pin+=SC520_PCI_INTC; - break; - - case 9: /* PMC slot */ - pin+=SC520_PCI_INTD; - break; - - case 10: /* PC-Card */ - - if (version < 10) { - pin+=SC520_PCI_INTD; - } else { - pin+=SC520_PCI_INTC; - } - break; - - default: - return; - } - - pin&=3; /* wrap around */ - - if (sc520_pci_ints[pin] == -1) { - /* re-route one interrupt for us */ - if (next_irq_index > 3) { - return; - } - if (pci_sc520_set_irq(pin, irq_list[next_irq_index])) { - return; - } - next_irq_index++; - } - - - if (-1 != sc520_pci_ints[pin]) { - pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, - sc520_pci_ints[pin]); - } -#if 0 - printf("fixup_irq: device %d pin %c irq %d\n", - PCI_DEV(dev), 'A' + pin, sc520_pci_ints[pin]); -#endif -} - - -static void pci_sc520_spunk_configure_cardbus(struct pci_controller *hose, - pci_dev_t dev, struct pci_config_table *te) -{ - u32 io_base; - u32 temp; - - pciauto_config_device(hose, dev); - - pci_hose_write_config_word(hose, dev, PCI_COMMAND, 0x07); /* enable device */ - pci_hose_write_config_byte(hose, dev, 0x0c, 0x10); /* cacheline size */ - pci_hose_write_config_byte(hose, dev, 0x0d, 0x40); /* latency timer */ - pci_hose_write_config_byte(hose, dev, 0x1b, 0x40); /* cardbus latency timer */ - pci_hose_write_config_word(hose, dev, PCI_BRIDGE_CONTROL, 0x0040); /* reset cardbus */ - pci_hose_write_config_word(hose, dev, PCI_BRIDGE_CONTROL, 0x0080); /* route interrupts though ExCA */ - pci_hose_write_config_word(hose, dev, 0x44, 0x3e0); /* map legacy I/O port to 0x3e0 */ - - pci_hose_read_config_dword(hose, dev, 0x80, &temp); /* System control */ - pci_hose_write_config_dword(hose, dev, 0x80, temp | 0x60); /* System control: disable clockrun */ - /* route MF0 to ~INT and MF3 to IRQ7 - * reserve all others */ - pci_hose_write_config_dword(hose, dev, 0x8c, 0x00007002); - pci_hose_write_config_byte(hose, dev, 0x91, 0x00); /* card control */ - pci_hose_write_config_byte(hose, dev, 0x92, 0x62); /* device control */ - - if (te->device != 0xac56) { - pci_hose_write_config_byte(hose, dev, 0x93, 0x21); /* async interrupt enable */ - pci_hose_write_config_word(hose, dev, 0xa8, 0x0000); /* reset GPIO */ - pci_hose_write_config_word(hose, dev, 0xac, 0x0000); /* reset GPIO */ - pci_hose_write_config_word(hose, dev, 0xaa, 0x0000); /* reset GPIO */ - pci_hose_write_config_word(hose, dev, 0xae, 0x0000); /* reset GPIO */ - } else { - pci_hose_write_config_byte(hose, dev, 0x93, 0x20); /* */ - } - pci_hose_write_config_word(hose, dev, 0xa4, 0x8000); /* reset power management */ - - - pci_hose_read_config_dword(hose, dev, PCI_BASE_ADDRESS_0, &io_base); - io_base &= ~0xfL; - - writeb(0x07, io_base+0x803); /* route CSC irq though ExCA and enable IRQ7 */ - writel(0, io_base+0x10); /* CLKRUN default */ - writel(0, io_base+0x20); /* CLKRUN default */ - -} - - -static struct pci_config_table pci_sc520_spunk_config_table[] = { - { 0x104c, 0xac50, PCI_ANY_ID, 0, 0x0a, 0, pci_sc520_spunk_configure_cardbus, { 0, 0, 0} }, - { 0x104c, 0xac56, PCI_ANY_ID, 0, 0x0a, 0, pci_sc520_spunk_configure_cardbus, { 0, 0, 0} }, - { 0, 0, 0, 0, 0, 0, NULL, {0,0,0}} -}; - -static struct pci_controller sc520_spunk_hose = { - fixup_irq: pci_sc520_spunk_fixup_irq, - config_table: pci_sc520_spunk_config_table, - first_busno: 0x00, - last_busno: 0xff, -}; - -void pci_init_board(void) -{ - pci_sc520_init(&sc520_spunk_hose); -} - - /* set up the ISA bus timing and system address mappings */ static void bus_init(void) { @@ -334,151 +181,6 @@ static void bus_init(void) */ /* - * This function should map a chunk of size bytes - * of the system address space to the ISA bus - * - * The function will return the memory address - * as seen by the host (which may very will be the - * same as the bus address) - */ -u32 isa_map_rom(u32 bus_addr, int size) -{ - u32 par; - - printf("isa_map_rom asked to map %d bytes at %x\n", - size, bus_addr); - - par = size; - if (par < 0x80000) { - par = 0x80000; - } - par >>= 12; - par--; - par&=0x7f; - par <<= 18; - par |= (bus_addr>>12); - par |= 0x50000000; - - printf ("setting PAR11 to %x\n", par); - - /* Map rom 0x10000 with PAR1 */ - sc520_mmcr->par[11] = par; - - return bus_addr; -} - -/* - * this function removed any mapping created - * with pci_get_rom_window() - */ -void isa_unmap_rom(u32 addr) -{ - printf("isa_unmap_rom asked to unmap %x", addr); - if ((addr>>12) == (sc520_mmcr->par[11] & 0x3ffff)) { - sc520_mmcr->par[11] = 0; - printf(" done\n"); - return; - } - printf(" not ours\n"); -} - -#ifdef CONFIG_PCI -#define PCI_ROM_TEMP_SPACE 0x10000 -/* - * This function should map a chunk of size bytes - * of the system address space to the PCI bus, - * suitable to map PCI ROMS (bus address < 16M) - * the function will return the host memory address - * which should be converted into a bus address - * before used to configure the PCI rom address - * decoder - */ -u32 pci_get_rom_window(struct pci_controller *hose, int size) -{ - u32 par; - - par = size; - if (par < 0x80000) { - par = 0x80000; - } - par >>= 16; - par--; - par&=0x7ff; - par <<= 14; - par |= (PCI_ROM_TEMP_SPACE>>16); - par |= 0x72000000; - - printf ("setting PAR1 to %x\n", par); - - /* Map rom 0x10000 with PAR1 */ - sc520_mmcr->par[1] = par; - - return PCI_ROM_TEMP_SPACE; -} - -/* - * this function removed any mapping created - * with pci_get_rom_window() - */ -void pci_remove_rom_window(struct pci_controller *hose, u32 addr) -{ - printf("pci_remove_rom_window: %x", addr); - if (addr == PCI_ROM_TEMP_SPACE) { - sc520_mmcr->par[1] = 0; - printf(" done\n"); - return; - } - printf(" not ours\n"); - -} - -/* - * This function is called in order to provide acces to the - * legacy video I/O ports on the PCI bus. - * After this function accesses to I/O ports 0x3b0-0x3bb and - * 0x3c0-0x3df shuld result in transactions on the PCI bus. - * - */ -int pci_enable_legacy_video_ports(struct pci_controller *hose) -{ - /* Map video memory to 0xa0000*/ - sc520_mmcr->par[0] = 0x7200400a; - - /* forward all I/O accesses to PCI */ - sc520_mmcr->adddecctl = sc520_mmcr->adddecctl | IO_HOLE_DEST_PCI; - - - /* so we map away all io ports to pci (only way to access pci io - * below 0x400. But then we have to map back the portions that we dont - * use so that the generate cycles on the GPIO bus where the sio and - * ISA slots are connected, this requre the use of several PAR registers - */ - - /* bring 0x100 - 0x2f7 back to ISA using PAR5 */ - sc520_mmcr->par[5] = 0x31f70100; - - /* com2 use 2f8-2ff */ - - /* bring 0x300 - 0x3af back to ISA using PAR7 */ - sc520_mmcr->par[7] = 0x30af0300; - - /* vga use 3b0-3bb */ - - /* bring 0x3bc - 0x3bf back to ISA using PAR8 */ - sc520_mmcr->par[8] = 0x300303bc; - - /* vga use 3c0-3df */ - - /* bring 0x3e0 - 0x3f7 back to ISA using PAR9 */ - sc520_mmcr->par[9] = 0x301703e0; - - /* com1 use 3f8-3ff */ - - return 0; -} -#endif - -/* * Miscelaneous platform dependent initialisations */ |