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14#include <linux/kernel.h>
15#include <linux/param.h>
16#include <linux/init.h>
17#include <linux/io.h>
18#include <asm/machdep.h>
19#include <asm/coldfire.h>
20#include <asm/mcfsim.h>
21#include <asm/mcfuart.h>
22
23
24
25static struct mcf_platform_uart m520x_uart_platform[] = {
26 {
27 .mapbase = MCF_MBAR + MCFUART_BASE1,
28 .irq = MCFINT_VECBASE + MCFINT_UART0,
29 },
30 {
31 .mapbase = MCF_MBAR + MCFUART_BASE2,
32 .irq = MCFINT_VECBASE + MCFINT_UART1,
33 },
34 {
35 .mapbase = MCF_MBAR + MCFUART_BASE3,
36 .irq = MCFINT_VECBASE + MCFINT_UART2,
37 },
38 { },
39};
40
41static struct platform_device m520x_uart = {
42 .name = "mcfuart",
43 .id = 0,
44 .dev.platform_data = m520x_uart_platform,
45};
46
47static struct resource m520x_fec_resources[] = {
48 {
49 .start = MCF_MBAR + 0x30000,
50 .end = MCF_MBAR + 0x30000 + 0x7ff,
51 .flags = IORESOURCE_MEM,
52 },
53 {
54 .start = 64 + 36,
55 .end = 64 + 36,
56 .flags = IORESOURCE_IRQ,
57 },
58 {
59 .start = 64 + 40,
60 .end = 64 + 40,
61 .flags = IORESOURCE_IRQ,
62 },
63 {
64 .start = 64 + 42,
65 .end = 64 + 42,
66 .flags = IORESOURCE_IRQ,
67 },
68};
69
70static struct platform_device m520x_fec = {
71 .name = "fec",
72 .id = 0,
73 .num_resources = ARRAY_SIZE(m520x_fec_resources),
74 .resource = m520x_fec_resources,
75};
76
77static struct platform_device *m520x_devices[] __initdata = {
78 &m520x_uart,
79 &m520x_fec,
80};
81
82
83
84static void __init m520x_uart_init_line(int line, int irq)
85{
86 u16 par;
87 u8 par2;
88
89 switch (line) {
90 case 0:
91 par = readw(MCF_IPSBAR + MCF_GPIO_PAR_UART);
92 par |= MCF_GPIO_PAR_UART_PAR_UTXD0 |
93 MCF_GPIO_PAR_UART_PAR_URXD0;
94 writew(par, MCF_IPSBAR + MCF_GPIO_PAR_UART);
95 break;
96 case 1:
97 par = readw(MCF_IPSBAR + MCF_GPIO_PAR_UART);
98 par |= MCF_GPIO_PAR_UART_PAR_UTXD1 |
99 MCF_GPIO_PAR_UART_PAR_URXD1;
100 writew(par, MCF_IPSBAR + MCF_GPIO_PAR_UART);
101 break;
102 case 2:
103 par2 = readb(MCF_IPSBAR + MCF_GPIO_PAR_FECI2C);
104 par2 &= ~0x0F;
105 par2 |= MCF_GPIO_PAR_FECI2C_PAR_SCL_UTXD2 |
106 MCF_GPIO_PAR_FECI2C_PAR_SDA_URXD2;
107 writeb(par2, MCF_IPSBAR + MCF_GPIO_PAR_FECI2C);
108 break;
109 }
110}
111
112static void __init m520x_uarts_init(void)
113{
114 const int nrlines = ARRAY_SIZE(m520x_uart_platform);
115 int line;
116
117 for (line = 0; (line < nrlines); line++)
118 m520x_uart_init_line(line, m520x_uart_platform[line].irq);
119}
120
121
122
123static void __init m520x_fec_init(void)
124{
125 u8 v;
126
127
128 v = readb(MCF_IPSBAR + MCF_GPIO_PAR_FEC);
129 writeb(v | 0xf0, MCF_IPSBAR + MCF_GPIO_PAR_FEC);
130
131 v = readb(MCF_IPSBAR + MCF_GPIO_PAR_FECI2C);
132 writeb(v | 0x0f, MCF_IPSBAR + MCF_GPIO_PAR_FECI2C);
133}
134
135
136
137static void m520x_cpu_reset(void)
138{
139 local_irq_disable();
140 __raw_writeb(MCF_RCR_SWRESET, MCF_RCR);
141}
142
143
144
145void __init config_BSP(char *commandp, int size)
146{
147 mach_reset = m520x_cpu_reset;
148 m520x_uarts_init();
149 m520x_fec_init();
150}
151
152
153
154static int __init init_BSP(void)
155{
156 platform_add_devices(m520x_devices, ARRAY_SIZE(m520x_devices));
157 return 0;
158}
159
160arch_initcall(init_BSP);
161
162
163
