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30#include <linux/init.h>
31#include <linux/kernel.h>
32#include <linux/types.h>
33#include <linux/ioport.h>
34#include <linux/delay.h>
35#include <linux/platform_device.h>
36#include <linux/gpio.h>
37#include <asm/reboot.h>
38#include <asm/txx9pio.h>
39#include <asm/txx9/generic.h>
40#include <asm/txx9/pci.h>
41#include <asm/txx9/jmr3927.h>
42#include <asm/mipsregs.h>
43
44static void jmr3927_machine_restart(char *command)
45{
46 local_irq_disable();
47#if 1
48 jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR);
49 jmr3927_ioc_reg_out(JMR3927_IOC_RESET_PCI, JMR3927_IOC_RESET_ADDR);
50 (void)jmr3927_ioc_reg_in(JMR3927_IOC_RESET_ADDR);
51 mdelay(1);
52 jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR);
53#endif
54 jmr3927_ioc_reg_out(JMR3927_IOC_RESET_CPU, JMR3927_IOC_RESET_ADDR);
55
56 (*_machine_halt)();
57}
58
59static void __init jmr3927_time_init(void)
60{
61 tx3927_time_init(0, 1);
62}
63
64#define DO_WRITE_THROUGH
65
66static void jmr3927_board_init(void);
67
68static void __init jmr3927_mem_setup(void)
69{
70 set_io_port_base(JMR3927_PORT_BASE + JMR3927_PCIIO);
71
72 _machine_restart = jmr3927_machine_restart;
73
74
75 {
76 unsigned int conf;
77#ifdef DO_WRITE_THROUGH
78 int mips_config_cwfon = 0;
79 int mips_config_wbon = 0;
80#else
81 int mips_config_cwfon = 1;
82 int mips_config_wbon = 1;
83#endif
84
85 conf = read_c0_conf();
86 conf &= ~(TX39_CONF_WBON | TX39_CONF_CWFON);
87 conf |= mips_config_wbon ? TX39_CONF_WBON : 0;
88 conf |= mips_config_cwfon ? TX39_CONF_CWFON : 0;
89
90 write_c0_conf(conf);
91 write_c0_cache(0);
92 }
93
94
95 jmr3927_board_init();
96
97 tx3927_sio_init(0, 1 << 1);
98}
99
100static void __init jmr3927_pci_setup(void)
101{
102#ifdef CONFIG_PCI
103 int extarb = !(tx3927_ccfgptr->ccfg & TX3927_CCFG_PCIXARB);
104 struct pci_controller *c;
105
106 c = txx9_alloc_pci_controller(&txx9_primary_pcic,
107 JMR3927_PCIMEM, JMR3927_PCIMEM_SIZE,
108 JMR3927_PCIIO, JMR3927_PCIIO_SIZE);
109 register_pci_controller(c);
110 if (!extarb) {
111
112 jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR);
113 udelay(100);
114 jmr3927_ioc_reg_out(JMR3927_IOC_RESET_PCI,
115 JMR3927_IOC_RESET_ADDR);
116 udelay(100);
117 jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR);
118 }
119 tx3927_pcic_setup(c, JMR3927_SDRAM_SIZE, extarb);
120 tx3927_setup_pcierr_irq();
121#endif
122}
123
124static void __init jmr3927_board_init(void)
125{
126 txx9_cpu_clock = JMR3927_CORECLK;
127
128
129
130 tx3927_romcptr->cr[1] = JMR3927_ROMCE1 | 0x00030048;
131 tx3927_romcptr->cr[2] = JMR3927_ROMCE2 | 0x000064c8;
132 tx3927_romcptr->cr[3] = JMR3927_ROMCE3 | 0x0003f698;
133 tx3927_romcptr->cr[5] = JMR3927_ROMCE5 | 0x0000f218;
134
135
136 tx3927_ccfgptr->pcfg &= ~TX3927_PCFG_SELALL;
137 tx3927_ccfgptr->pcfg |=
138 TX3927_PCFG_SELSIOC(0) | TX3927_PCFG_SELSIO_ALL |
139 (TX3927_PCFG_SELDMA_ALL & ~TX3927_PCFG_SELDMA(1));
140
141 tx3927_setup();
142
143
144 __raw_writel(0x0000f000, &tx3927_pioptr->dir);
145
146 jmr3927_pci_setup();
147
148
149 jmr3927_ioc_reg_out(0, JMR3927_IOC_DTR_ADDR);
150
151 jmr3927_led_set(0);
152
153 pr_info("JMR-TX3927 (Rev %d) --- IOC(Rev %d) DIPSW:%d,%d,%d,%d\n",
154 jmr3927_ioc_reg_in(JMR3927_IOC_BREV_ADDR) & JMR3927_REV_MASK,
155 jmr3927_ioc_reg_in(JMR3927_IOC_REV_ADDR) & JMR3927_REV_MASK,
156 jmr3927_dipsw1(), jmr3927_dipsw2(),
157 jmr3927_dipsw3(), jmr3927_dipsw4());
158}
159
160
161static unsigned long jmr3927_swizzle_addr_b(unsigned long port)
162{
163 if ((port & 0xffff0000) != JMR3927_IOC_NVRAMB_ADDR)
164 return port;
165 port = (port & 0xffff0000) | (port & 0x7fff << 1);
166#ifdef __BIG_ENDIAN
167 return port;
168#else
169 return port | 1;
170#endif
171}
172
173static void __init jmr3927_rtc_init(void)
174{
175 static struct resource __initdata res = {
176 .start = JMR3927_IOC_NVRAMB_ADDR - IO_BASE,
177 .end = JMR3927_IOC_NVRAMB_ADDR - IO_BASE + 0x800 - 1,
178 .flags = IORESOURCE_MEM,
179 };
180 platform_device_register_simple("rtc-ds1742", -1, &res, 1);
181}
182
183static void __init jmr3927_mtd_init(void)
184{
185 int i;
186
187 for (i = 0; i < 2; i++)
188 tx3927_mtd_init(i);
189}
190
191static void __init jmr3927_device_init(void)
192{
193 unsigned long iocled_base = JMR3927_IOC_LED_ADDR - IO_BASE;
194#ifdef __LITTLE_ENDIAN
195 iocled_base |= 1;
196#endif
197 __swizzle_addr_b = jmr3927_swizzle_addr_b;
198 jmr3927_rtc_init();
199 tx3927_wdt_init();
200 jmr3927_mtd_init();
201 txx9_iocled_init(iocled_base, -1, 8, 1, "green", NULL);
202}
203
204static void __init jmr3927_arch_init(void)
205{
206 txx9_gpio_init(TX3927_PIO_REG, 0, 16);
207
208 gpio_request(11, "dipsw1");
209 gpio_request(10, "dipsw2");
210}
211
212struct txx9_board_vec jmr3927_vec __initdata = {
213 .system = "Toshiba JMR_TX3927",
214 .prom_init = jmr3927_prom_init,
215 .mem_setup = jmr3927_mem_setup,
216 .irq_setup = jmr3927_irq_setup,
217 .time_init = jmr3927_time_init,
218 .device_init = jmr3927_device_init,
219 .arch_init = jmr3927_arch_init,
220#ifdef CONFIG_PCI
221 .pci_map_irq = jmr3927_pci_map_irq,
222#endif
223};
224
