OpenWrt – Blame information for rev 2

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1 office 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 #include <linux/reboot.h>
24 #include <linux/time.h>
25  
26 #include <asm/reboot.h>
27 #include <asm/time.h>
28 #include <asm/bootinfo.h>
29 #include <asm/mips_machine.h>
30 #include <asm/idle.h>
31  
32 #include <asm/mach-adm5120/adm5120_info.h>
33 #include <asm/mach-adm5120/adm5120_defs.h>
34 #include <asm/mach-adm5120/adm5120_switch.h>
35 #include <asm/mach-adm5120/adm5120_platform.h>
36  
37 #define ADM5120_SYS_TYPE_LEN 64
38  
39 unsigned char adm5120_sys_type[ADM5120_SYS_TYPE_LEN];
40 void (*adm5120_board_reset)(void);
41  
42 static char *prom_names[ADM5120_PROM_LAST+1] __initdata = {
43 [ADM5120_PROM_GENERIC] = "Generic",
44 [ADM5120_PROM_CFE] = "CFE",
45 [ADM5120_PROM_UBOOT] = "U-Boot",
46 [ADM5120_PROM_MYLOADER] = "MyLoader",
47 [ADM5120_PROM_ROUTERBOOT] = "RouterBOOT",
48 [ADM5120_PROM_BOOTBASE] = "Bootbase"
49 };
50  
51 static void __init adm5120_report(void)
52 {
53 printk(KERN_INFO "SoC : %s\n", adm5120_sys_type);
54 printk(KERN_INFO "Bootdev : %s flash\n",
55 adm5120_nand_boot ? "NAND" : "NOR");
56 printk(KERN_INFO "Prom : %s\n", prom_names[adm5120_prom_type]);
57 }
58  
59 const char *get_system_type(void)
60 {
61 return adm5120_sys_type;
62 }
63  
64 static void adm5120_restart(char *command)
65 {
66 /* TODO: stop switch before reset */
67  
68 if (adm5120_board_reset)
69 adm5120_board_reset();
70  
71 SW_WRITE_REG(SWITCH_REG_SOFT_RESET, 1);
72 }
73  
74 static void adm5120_halt(void)
75 {
76 local_irq_disable();
77  
78 while (1) {
79 if (cpu_wait)
80 cpu_wait();
81 }
82 }
83  
84 void __init plat_time_init(void)
85 {
86 mips_hpt_frequency = adm5120_speed / 2;
87 }
88  
89 void __init plat_mem_setup(void)
90 {
91 adm5120_soc_init();
92 adm5120_mem_init();
93  
94 sprintf(adm5120_sys_type, "ADM%04X%s rev %u, running at %lu.%03lu MHz",
95 adm5120_product_code,
96 adm5120_package_bga() ? "" : "P",
97 adm5120_revision,
98 (adm5120_speed / 1000000), (adm5120_speed / 1000) % 1000);
99  
100 adm5120_report();
101  
102 _machine_restart = adm5120_restart;
103 _machine_halt = adm5120_halt;
104 pm_power_off = adm5120_halt;
105  
106 set_io_port_base(KSEG1);
107 }
108  
109 static int __init adm5120_board_setup(void)
110 {
111 adm5120_gpio_init();
112  
113 mips_machine_setup();
114  
115 return 0;
116 }
117 arch_initcall(adm5120_board_setup);
118  
119 static void __init adm5120_generic_board_setup(void)
120 {
121 adm5120_add_device_uart(0);
122 adm5120_add_device_uart(1);
123  
124 adm5120_add_device_flash(0);
125 adm5120_add_device_switch(6, NULL);
126 }
127  
128 MIPS_MACHINE(MACH_ADM5120_GENERIC, "Generic", "Generic ADM5120 board",
129 adm5120_generic_board_setup);