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20#include <linux/init.h>
21#include <linux/sched.h>
22#include <linux/ioport.h>
23#include <linux/irq.h>
24#include <linux/mm.h>
25#include <linux/delay.h>
26#include <linux/interrupt.h>
27#include <linux/serial_pnx8xxx.h>
28#include <linux/pm.h>
29
30#include <asm/cpu.h>
31#include <asm/bootinfo.h>
32#include <asm/irq.h>
33#include <asm/mipsregs.h>
34#include <asm/reboot.h>
35#include <asm/pgtable.h>
36#include <asm/time.h>
37
38#include <glb.h>
39#include <int.h>
40#include <pci.h>
41#include <uart.h>
42#include <nand.h>
43
44extern void __init board_setup(void);
45extern void pnx8550_machine_restart(char *);
46extern void pnx8550_machine_halt(void);
47extern void pnx8550_machine_power_off(void);
48extern struct resource ioport_resource;
49extern struct resource iomem_resource;
50extern char *prom_getcmdline(void);
51
52struct resource standard_io_resources[] = {
53 {
54 .start = 0x00,
55 .end = 0x1f,
56 .name = "dma1",
57 .flags = IORESOURCE_BUSY
58 }, {
59 .start = 0x40,
60 .end = 0x5f,
61 .name = "timer",
62 .flags = IORESOURCE_BUSY
63 }, {
64 .start = 0x80,
65 .end = 0x8f,
66 .name = "dma page reg",
67 .flags = IORESOURCE_BUSY
68 }, {
69 .start = 0xc0,
70 .end = 0xdf,
71 .name = "dma2",
72 .flags = IORESOURCE_BUSY
73 },
74};
75
76#define STANDARD_IO_RESOURCES ARRAY_SIZE(standard_io_resources)
77
78extern struct resource pci_io_resource;
79extern struct resource pci_mem_resource;
80
81
82unsigned long get_system_mem_size(void)
83{
84
85 unsigned long dram_r0_lo = inl(PCI_BASE | 0x65010);
86
87 unsigned long dram_r1_hi = inl(PCI_BASE | 0x65018);
88
89 return dram_r1_hi - dram_r0_lo + 1;
90}
91
92int pnx8550_console_port = -1;
93
94void __init plat_mem_setup(void)
95{
96 int i;
97 char* argptr;
98
99 board_setup();
100
101 _machine_restart = pnx8550_machine_restart;
102 _machine_halt = pnx8550_machine_halt;
103 pm_power_off = pnx8550_machine_power_off;
104
105
106
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110
111
112
113 PNX8550_GLB2_ENAB_INTA_O = 0;
114
115
116 set_io_port_base(KSEG1);
117 ioport_resource.start = 0;
118 ioport_resource.end = ~0;
119 iomem_resource.start = 0;
120 iomem_resource.end = ~0;
121
122
123 for (i = 0; i < STANDARD_IO_RESOURCES; i++)
124 request_resource(&ioport_resource, standard_io_resources + i);
125
126
127
128 outl((PNX8550_GPIO_MODE_PRIMOP << PNX8550_GPIO_MC_16_BIT) |
129 (PNX8550_GPIO_MODE_PRIMOP << PNX8550_GPIO_MC_17_BIT),
130 PNX8550_GPIO_MC1);
131
132 argptr = prom_getcmdline();
133 if ((argptr = strstr(argptr, "console=ttyS")) != NULL) {
134 argptr += strlen("console=ttyS");
135 pnx8550_console_port = *argptr == '0' ? 0 : 1;
136
137
138
139 ip3106_lcr(UART_BASE, pnx8550_console_port) =
140 PNX8XXX_UART_LCR_8BIT;
141 ip3106_baud(UART_BASE, pnx8550_console_port) = 5;
142 }
143
144 return;
145}
146