diff options
Diffstat (limited to 'arch/ppc/platforms/4xx/cpci405.c')
| -rw-r--r-- | arch/ppc/platforms/4xx/cpci405.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/arch/ppc/platforms/4xx/cpci405.c b/arch/ppc/platforms/4xx/cpci405.c new file mode 100644 index 000000000000..ff966773a0bf --- /dev/null +++ b/arch/ppc/platforms/4xx/cpci405.c @@ -0,0 +1,84 @@ +/* + * arch/ppc/platforms/cpci405.c + * + * Board setup routines for the esd CPCI-405 cPCI Board. + * + * Author: Stefan Roese + * stefan.roese@esd-electronics.com + * + * Copyright 2001 esd electronic system design - hannover germany + * + * 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. + * + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <asm/system.h> +#include <asm/pci-bridge.h> +#include <asm/machdep.h> +#include <asm/todc.h> +#include <asm/ocp.h> + +void *cpci405_nvram; + +/* + * Some IRQs unique to CPCI-405. + */ +int __init +ppc405_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin) +{ + static char pci_irq_table[][4] = + /* + * PCI IDSEL/INTPIN->INTLINE + * A B C D + */ + { + {28, 28, 28, 28}, /* IDSEL 15 - cPCI slot 8 */ + {29, 29, 29, 29}, /* IDSEL 16 - cPCI slot 7 */ + {30, 30, 30, 30}, /* IDSEL 17 - cPCI slot 6 */ + {27, 27, 27, 27}, /* IDSEL 18 - cPCI slot 5 */ + {28, 28, 28, 28}, /* IDSEL 19 - cPCI slot 4 */ + {29, 29, 29, 29}, /* IDSEL 20 - cPCI slot 3 */ + {30, 30, 30, 30}, /* IDSEL 21 - cPCI slot 2 */ + }; + const long min_idsel = 15, max_idsel = 21, irqs_per_slot = 4; + return PCI_IRQ_TABLE_LOOKUP; +}; + +void __init +cpci405_setup_arch(void) +{ + ppc4xx_setup_arch(); + + ibm_ocp_set_emac(0, 0); + + TODC_INIT(TODC_TYPE_MK48T35, cpci405_nvram, cpci405_nvram, cpci405_nvram, 8); +} + +void __init +cpci405_map_io(void) +{ + ppc4xx_map_io(); + cpci405_nvram = ioremap(CPCI405_NVRAM_PADDR, CPCI405_NVRAM_SIZE); +} + +void __init +platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7) +{ + ppc4xx_init(r3, r4, r5, r6, r7); + + ppc_md.setup_arch = cpci405_setup_arch; + ppc_md.setup_io_mappings = cpci405_map_io; + + ppc_md.time_init = todc_time_init; + ppc_md.set_rtc_time = todc_set_rtc_time; + ppc_md.get_rtc_time = todc_get_rtc_time; + ppc_md.nvram_read_val = todc_direct_read_val; + ppc_md.nvram_write_val = todc_direct_write_val; +} |