Commit | Line | Data |
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b5aaf3f7 GU |
1 | /***************************************************************************/ |
2 | ||
3 | /* | |
4 | * linux/arch/m68knommu/platform/523x/config.c | |
5 | * | |
6 | * Sub-architcture dependant initialization code for the Freescale | |
7 | * 523x CPUs. | |
8 | * | |
9 | * Copyright (C) 1999-2005, Greg Ungerer (gerg@snapgear.com) | |
10 | * Copyright (C) 2001-2003, SnapGear Inc. (www.snapgear.com) | |
11 | */ | |
12 | ||
13 | /***************************************************************************/ | |
14 | ||
b5aaf3f7 | 15 | #include <linux/kernel.h> |
b5aaf3f7 GU |
16 | #include <linux/param.h> |
17 | #include <linux/init.h> | |
4b61a353 | 18 | #include <linux/io.h> |
b5aaf3f7 GU |
19 | #include <asm/machdep.h> |
20 | #include <asm/coldfire.h> | |
21 | #include <asm/mcfsim.h> | |
4b61a353 | 22 | #include <asm/mcfuart.h> |
b5aaf3f7 GU |
23 | |
24 | /***************************************************************************/ | |
25 | ||
4b61a353 GU |
26 | static struct mcf_platform_uart m523x_uart_platform[] = { |
27 | { | |
28 | .mapbase = MCF_MBAR + MCFUART_BASE1, | |
29 | .irq = MCFINT_VECBASE + MCFINT_UART0, | |
30 | }, | |
31 | { | |
32 | .mapbase = MCF_MBAR + MCFUART_BASE2, | |
33 | .irq = MCFINT_VECBASE + MCFINT_UART0 + 1, | |
34 | }, | |
35 | { | |
36 | .mapbase = MCF_MBAR + MCFUART_BASE3, | |
37 | .irq = MCFINT_VECBASE + MCFINT_UART0 + 2, | |
38 | }, | |
39 | { }, | |
40 | }; | |
41 | ||
42 | static struct platform_device m523x_uart = { | |
43 | .name = "mcfuart", | |
44 | .id = 0, | |
45 | .dev.platform_data = m523x_uart_platform, | |
46 | }; | |
47 | ||
ffba3f48 GU |
48 | static struct resource m523x_fec_resources[] = { |
49 | { | |
50 | .start = MCF_MBAR + 0x1000, | |
51 | .end = MCF_MBAR + 0x1000 + 0x7ff, | |
52 | .flags = IORESOURCE_MEM, | |
53 | }, | |
54 | { | |
55 | .start = 64 + 23, | |
56 | .end = 64 + 23, | |
57 | .flags = IORESOURCE_IRQ, | |
58 | }, | |
59 | { | |
60 | .start = 64 + 27, | |
61 | .end = 64 + 27, | |
62 | .flags = IORESOURCE_IRQ, | |
63 | }, | |
64 | { | |
65 | .start = 64 + 29, | |
66 | .end = 64 + 29, | |
67 | .flags = IORESOURCE_IRQ, | |
68 | }, | |
69 | }; | |
70 | ||
71 | static struct platform_device m523x_fec = { | |
72 | .name = "fec", | |
73 | .id = 0, | |
74 | .num_resources = ARRAY_SIZE(m523x_fec_resources), | |
75 | .resource = m523x_fec_resources, | |
76 | }; | |
77 | ||
4b61a353 GU |
78 | static struct platform_device *m523x_devices[] __initdata = { |
79 | &m523x_uart, | |
ffba3f48 | 80 | &m523x_fec, |
b5aaf3f7 GU |
81 | }; |
82 | ||
4b61a353 GU |
83 | /***************************************************************************/ |
84 | ||
14c16db3 GU |
85 | static void __init m523x_fec_init(void) |
86 | { | |
87 | u16 par; | |
88 | u8 v; | |
89 | ||
90 | /* Set multi-function pins to ethernet use */ | |
91 | par = readw(MCF_IPSBAR + 0x100082); | |
92 | writew(par | 0xf00, MCF_IPSBAR + 0x100082); | |
93 | v = readb(MCF_IPSBAR + 0x100078); | |
94 | writeb(v | 0xc0, MCF_IPSBAR + 0x100078); | |
95 | } | |
96 | ||
97 | /***************************************************************************/ | |
98 | ||
55b33f31 GU |
99 | static void m523x_cpu_reset(void) |
100 | { | |
101 | local_irq_disable(); | |
102 | __raw_writeb(MCF_RCR_SWRESET, MCF_IPSBAR + MCF_RCR); | |
103 | } | |
b5aaf3f7 GU |
104 | |
105 | /***************************************************************************/ | |
106 | ||
4b61a353 | 107 | void __init config_BSP(char *commandp, int size) |
b5aaf3f7 | 108 | { |
55b33f31 | 109 | mach_reset = m523x_cpu_reset; |
b5aaf3f7 GU |
110 | } |
111 | ||
112 | /***************************************************************************/ | |
4b61a353 GU |
113 | |
114 | static int __init init_BSP(void) | |
115 | { | |
14c16db3 | 116 | m523x_fec_init(); |
4b61a353 GU |
117 | platform_add_devices(m523x_devices, ARRAY_SIZE(m523x_devices)); |
118 | return 0; | |
119 | } | |
120 | ||
121 | arch_initcall(init_BSP); | |
122 | ||
123 | /***************************************************************************/ |