| 1 | /* |
| 2 | * ADM5120 specific setup |
| 3 | * |
| 4 | * Copyright (C) 2007-2009 Gabor Juhos <juhosg@openwrt.org> |
| 5 | * |
| 6 | * This code was based on the ADM5120 specific port of the Linux 2.6.10 kernel |
| 7 | * done by Jeroen Vreeken |
| 8 | * Copyright (C) 2005 Jeroen Vreeken (pe1rxq@amsat.org) |
| 9 | * |
| 10 | * Jeroen's code was based on the Linux 2.4.xx source codes found in various |
| 11 | * tarballs released by Edimax for it's ADM5120 based devices |
| 12 | * Copyright (C) ADMtek Incorporated |
| 13 | * |
| 14 | * This program is free software; you can redistribute it and/or modify it |
| 15 | * under the terms of the GNU General Public License version 2 as published |
| 16 | * by the Free Software Foundation. |
| 17 | * |
| 18 | */ |
| 19 | |
| 20 | #include <linux/init.h> |
| 21 | #include <linux/kernel.h> |
| 22 | #include <linux/io.h> |
| 23 | |
| 24 | #include <asm/bootinfo.h> |
| 25 | #include <asm/reboot.h> |
| 26 | #include <asm/time.h> |
| 27 | #include <asm/mips_machine.h> |
| 28 | |
| 29 | #include <asm/mach-adm5120/adm5120_info.h> |
| 30 | #include <asm/mach-adm5120/adm5120_defs.h> |
| 31 | #include <asm/mach-adm5120/adm5120_switch.h> |
| 32 | #include <asm/mach-adm5120/adm5120_platform.h> |
| 33 | |
| 34 | #define ADM5120_SYS_TYPE_LEN 64 |
| 35 | |
| 36 | unsigned char adm5120_sys_type[ADM5120_SYS_TYPE_LEN]; |
| 37 | void (*adm5120_board_reset)(void); |
| 38 | |
| 39 | static char *prom_names[ADM5120_PROM_LAST+1] __initdata = { |
| 40 | [ADM5120_PROM_GENERIC] = "Generic", |
| 41 | [ADM5120_PROM_CFE] = "CFE", |
| 42 | [ADM5120_PROM_UBOOT] = "U-Boot", |
| 43 | [ADM5120_PROM_MYLOADER] = "MyLoader", |
| 44 | [ADM5120_PROM_ROUTERBOOT] = "RouterBOOT", |
| 45 | [ADM5120_PROM_BOOTBASE] = "Bootbase" |
| 46 | }; |
| 47 | |
| 48 | static void __init adm5120_report(void) |
| 49 | { |
| 50 | printk(KERN_INFO "SoC : %s\n", adm5120_sys_type); |
| 51 | printk(KERN_INFO "Bootdev : %s flash\n", |
| 52 | adm5120_nand_boot ? "NAND":"NOR"); |
| 53 | printk(KERN_INFO "Prom : %s\n", prom_names[adm5120_prom_type]); |
| 54 | } |
| 55 | |
| 56 | const char *get_system_type(void) |
| 57 | { |
| 58 | return adm5120_sys_type; |
| 59 | } |
| 60 | |
| 61 | static void adm5120_restart(char *command) |
| 62 | { |
| 63 | /* TODO: stop switch before reset */ |
| 64 | |
| 65 | if (adm5120_board_reset) |
| 66 | adm5120_board_reset(); |
| 67 | |
| 68 | SW_WRITE_REG(SWITCH_REG_SOFT_RESET, 1); |
| 69 | } |
| 70 | |
| 71 | static void adm5120_halt(void) |
| 72 | { |
| 73 | local_irq_disable(); |
| 74 | |
| 75 | while (1) { |
| 76 | if (cpu_wait) |
| 77 | cpu_wait(); |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | void __init plat_time_init(void) |
| 82 | { |
| 83 | mips_hpt_frequency = adm5120_speed / 2; |
| 84 | } |
| 85 | |
| 86 | void __init plat_mem_setup(void) |
| 87 | { |
| 88 | adm5120_soc_init(); |
| 89 | adm5120_mem_init(); |
| 90 | |
| 91 | sprintf(adm5120_sys_type, "ADM%04X%s rev %u, running at %lu.%03lu MHz", |
| 92 | adm5120_product_code, |
| 93 | adm5120_package_bga() ? "" : "P", |
| 94 | adm5120_revision, |
| 95 | (adm5120_speed / 1000000), (adm5120_speed / 1000) % 1000); |
| 96 | |
| 97 | adm5120_report(); |
| 98 | |
| 99 | _machine_restart = adm5120_restart; |
| 100 | _machine_halt = adm5120_halt; |
| 101 | pm_power_off = adm5120_halt; |
| 102 | |
| 103 | set_io_port_base(KSEG1); |
| 104 | } |
| 105 | |
| 106 | static int __init adm5120_board_setup(void) |
| 107 | { |
| 108 | adm5120_gpio_init(); |
| 109 | |
| 110 | mips_machine_setup(mips_machtype); |
| 111 | |
| 112 | return 0; |
| 113 | } |
| 114 | arch_initcall(adm5120_board_setup); |
| 115 | |
| 116 | static void __init adm5120_generic_board_setup(void) |
| 117 | { |
| 118 | adm5120_add_device_uart(0); |
| 119 | adm5120_add_device_uart(1); |
| 120 | |
| 121 | adm5120_add_device_flash(0); |
| 122 | adm5120_add_device_switch(6, NULL); |
| 123 | } |
| 124 | |
| 125 | MIPS_MACHINE(MACH_ADM5120_GENERIC, "Generic ADM5120 board", |
| 126 | adm5120_generic_board_setup); |
| 127 | |
