| /* |
| * This file is subject to the terms and conditions of the GNU General Public |
| * License. See the file "COPYING" in the main directory of this archive |
| * for more details. |
| * |
| * arch/sh64/mach-romram/setup.c |
| * |
| * SH-5 ROM/RAM Platform Support |
| * |
| * This file handles the architecture-dependent parts of initialization |
| * |
| * Copyright (C) 2000, 2001 Paolo Alberelli |
| * |
| * benedict.gaster@superh.com: 3rd May 2002 |
| * Added support for ramdisk, removing statically linked romfs at the same time. * |
| * |
| * lethal@linux-sh.org: 15th May 2003 |
| * Use the generic procfs cpuinfo interface, just return a valid board name. |
| * |
| * Sean.McGoogan@superh.com 17th Feb 2004 |
| * copied from arch/sh64/mach-harp/setup.c |
| */ |
| |
| #include <linux/stddef.h> |
| #include <linux/init.h> |
| #include <linux/mm.h> |
| #include <linux/bootmem.h> |
| #include <linux/delay.h> |
| #include <linux/kernel.h> |
| #include <asm/processor.h> |
| #include <asm/platform.h> |
| #include <asm/io.h> |
| #include <asm/irq.h> |
| #include <asm/page.h> |
| |
| #define RES_COUNT(res) ((sizeof((res))/sizeof(struct resource))) |
| |
| /* |
| * Platform Dependent Interrupt Priorities. |
| */ |
| |
| /* Using defaults defined in irq.h */ |
| #define RES NO_PRIORITY /* Disabled */ |
| #define IR0 IRL0_PRIORITY /* IRLs */ |
| #define IR1 IRL1_PRIORITY |
| #define IR2 IRL2_PRIORITY |
| #define IR3 IRL3_PRIORITY |
| #define PCA INTA_PRIORITY /* PCI Ints */ |
| #define PCB INTB_PRIORITY |
| #define PCC INTC_PRIORITY |
| #define PCD INTD_PRIORITY |
| #define SER TOP_PRIORITY |
| #define ERR TOP_PRIORITY |
| #define PW0 TOP_PRIORITY |
| #define PW1 TOP_PRIORITY |
| #define PW2 TOP_PRIORITY |
| #define PW3 TOP_PRIORITY |
| #define DM0 NO_PRIORITY /* DMA Ints */ |
| #define DM1 NO_PRIORITY |
| #define DM2 NO_PRIORITY |
| #define DM3 NO_PRIORITY |
| #define DAE NO_PRIORITY |
| #define TU0 TIMER_PRIORITY /* TMU Ints */ |
| #define TU1 NO_PRIORITY |
| #define TU2 NO_PRIORITY |
| #define TI2 NO_PRIORITY |
| #define ATI NO_PRIORITY /* RTC Ints */ |
| #define PRI NO_PRIORITY |
| #define CUI RTC_PRIORITY |
| #define ERI SCIF_PRIORITY /* SCIF Ints */ |
| #define RXI SCIF_PRIORITY |
| #define BRI SCIF_PRIORITY |
| #define TXI SCIF_PRIORITY |
| #define ITI TOP_PRIORITY /* WDT Ints */ |
| |
| /* |
| * Platform dependent structures: maps and parms block. |
| */ |
| struct resource io_resources[] = { |
| /* To be updated with external devices */ |
| }; |
| |
| struct resource kram_resources[] = { |
| { "Kernel code", 0, 0 }, /* These must be last in the array */ |
| { "Kernel data", 0, 0 } /* These must be last in the array */ |
| }; |
| |
| struct resource xram_resources[] = { |
| /* To be updated with external devices */ |
| }; |
| |
| struct resource rom_resources[] = { |
| /* To be updated with external devices */ |
| }; |
| |
| struct sh64_platform platform_parms = { |
| .readonly_rootfs = 1, |
| .initial_root_dev = 0x0100, |
| .loader_type = 1, |
| .io_res_p = io_resources, |
| .io_res_count = RES_COUNT(io_resources), |
| .kram_res_p = kram_resources, |
| .kram_res_count = RES_COUNT(kram_resources), |
| .xram_res_p = xram_resources, |
| .xram_res_count = RES_COUNT(xram_resources), |
| .rom_res_p = rom_resources, |
| .rom_res_count = RES_COUNT(rom_resources), |
| }; |
| |
| int platform_int_priority[NR_INTC_IRQS] = { |
| IR0, IR1, IR2, IR3, PCA, PCB, PCC, PCD, /* IRQ 0- 7 */ |
| RES, RES, RES, RES, SER, ERR, PW3, PW2, /* IRQ 8-15 */ |
| PW1, PW0, DM0, DM1, DM2, DM3, DAE, RES, /* IRQ 16-23 */ |
| RES, RES, RES, RES, RES, RES, RES, RES, /* IRQ 24-31 */ |
| TU0, TU1, TU2, TI2, ATI, PRI, CUI, ERI, /* IRQ 32-39 */ |
| RXI, BRI, TXI, RES, RES, RES, RES, RES, /* IRQ 40-47 */ |
| RES, RES, RES, RES, RES, RES, RES, RES, /* IRQ 48-55 */ |
| RES, RES, RES, RES, RES, RES, RES, ITI, /* IRQ 56-63 */ |
| }; |
| |
| void __init platform_setup(void) |
| { |
| /* ROM/RAM platform leaves the decision to head.S, for now */ |
| platform_parms.fpu_flags = fpu_in_use; |
| } |
| |
| void __init platform_monitor(void) |
| { |
| /* Nothing yet .. */ |
| } |
| |
| void __init platform_reserve(void) |
| { |
| /* Nothing yet .. */ |
| } |
| |
| const char *get_system_type(void) |
| { |
| return "ROM/RAM"; |
| } |
| |