aboutsummaryrefslogtreecommitdiffstats
path: root/arch/m68knommu/platform/54xx/config.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/m68knommu/platform/54xx/config.c')
-rw-r--r--arch/m68knommu/platform/54xx/config.c115
1 files changed, 0 insertions, 115 deletions
diff --git a/arch/m68knommu/platform/54xx/config.c b/arch/m68knommu/platform/54xx/config.c
deleted file mode 100644
index 78130984db95..000000000000
--- a/arch/m68knommu/platform/54xx/config.c
+++ /dev/null
@@ -1,115 +0,0 @@
1/***************************************************************************/
2
3/*
4 * linux/arch/m68knommu/platform/54xx/config.c
5 *
6 * Copyright (C) 2010, Philippe De Muyter <phdm@macqel.be>
7 */
8
9/***************************************************************************/
10
11#include <linux/kernel.h>
12#include <linux/param.h>
13#include <linux/init.h>
14#include <linux/interrupt.h>
15#include <linux/io.h>
16#include <asm/machdep.h>
17#include <asm/coldfire.h>
18#include <asm/m54xxsim.h>
19#include <asm/mcfuart.h>
20#include <asm/m54xxgpt.h>
21
22/***************************************************************************/
23
24static struct mcf_platform_uart m54xx_uart_platform[] = {
25 {
26 .mapbase = MCF_MBAR + MCFUART_BASE1,
27 .irq = 64 + 35,
28 },
29 {
30 .mapbase = MCF_MBAR + MCFUART_BASE2,
31 .irq = 64 + 34,
32 },
33 {
34 .mapbase = MCF_MBAR + MCFUART_BASE3,
35 .irq = 64 + 33,
36 },
37 {
38 .mapbase = MCF_MBAR + MCFUART_BASE4,
39 .irq = 64 + 32,
40 },
41};
42
43static struct platform_device m54xx_uart = {
44 .name = "mcfuart",
45 .id = 0,
46 .dev.platform_data = m54xx_uart_platform,
47};
48
49static struct platform_device *m54xx_devices[] __initdata = {
50 &m54xx_uart,
51};
52
53
54/***************************************************************************/
55
56static void __init m54xx_uart_init_line(int line, int irq)
57{
58 int rts_cts;
59
60 /* enable io pins */
61 switch (line) {
62 case 0:
63 rts_cts = 0; break;
64 case 1:
65 rts_cts = MCF_PAR_PSC_RTS_RTS; break;
66 case 2:
67 rts_cts = MCF_PAR_PSC_RTS_RTS | MCF_PAR_PSC_CTS_CTS; break;
68 case 3:
69 rts_cts = 0; break;
70 }
71 __raw_writeb(MCF_PAR_PSC_TXD | rts_cts | MCF_PAR_PSC_RXD,
72 MCF_MBAR + MCF_PAR_PSC(line));
73}
74
75static void __init m54xx_uarts_init(void)
76{
77 const int nrlines = ARRAY_SIZE(m54xx_uart_platform);
78 int line;
79
80 for (line = 0; (line < nrlines); line++)
81 m54xx_uart_init_line(line, m54xx_uart_platform[line].irq);
82}
83
84/***************************************************************************/
85
86static void mcf54xx_reset(void)
87{
88 /* disable interrupts and enable the watchdog */
89 asm("movew #0x2700, %sr\n");
90 __raw_writel(0, MCF_MBAR + MCF_GPT_GMS0);
91 __raw_writel(MCF_GPT_GCIR_CNT(1), MCF_MBAR + MCF_GPT_GCIR0);
92 __raw_writel(MCF_GPT_GMS_WDEN | MCF_GPT_GMS_CE | MCF_GPT_GMS_TMS(4),
93 MCF_MBAR + MCF_GPT_GMS0);
94}
95
96/***************************************************************************/
97
98void __init config_BSP(char *commandp, int size)
99{
100 mach_reset = mcf54xx_reset;
101 m54xx_uarts_init();
102}
103
104/***************************************************************************/
105
106static int __init init_BSP(void)
107{
108
109 platform_add_devices(m54xx_devices, ARRAY_SIZE(m54xx_devices));
110 return 0;
111}
112
113arch_initcall(init_BSP);
114
115/***************************************************************************/
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-24 01:20:20 -0500