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-rw-r--r--arch/m68k/coldfire/m5249.c126
1 files changed, 126 insertions, 0 deletions
diff --git a/arch/m68k/coldfire/m5249.c b/arch/m68k/coldfire/m5249.c
new file mode 100644
index 000000000000..f6253a3313b3
--- /dev/null
+++ b/arch/m68k/coldfire/m5249.c
@@ -0,0 +1,126 @@
1/***************************************************************************/
2
3/*
4 * linux/arch/m68knommu/platform/5249/config.c
5 *
6 * Copyright (C) 2002, Greg Ungerer (gerg@snapgear.com)
7 */
8
9/***************************************************************************/
10
11#include <linux/kernel.h>
12#include <linux/param.h>
13#include <linux/init.h>
14#include <linux/io.h>
15#include <linux/platform_device.h>
16#include <asm/machdep.h>
17#include <asm/coldfire.h>
18#include <asm/mcfsim.h>
19#include <asm/mcfclk.h>
20
21/***************************************************************************/
22
23DEFINE_CLK(pll, "pll.0", MCF_CLK);
24DEFINE_CLK(sys, "sys.0", MCF_BUSCLK);
25DEFINE_CLK(mcftmr0, "mcftmr.0", MCF_BUSCLK);
26DEFINE_CLK(mcftmr1, "mcftmr.1", MCF_BUSCLK);
27DEFINE_CLK(mcfuart0, "mcfuart.0", MCF_BUSCLK);
28DEFINE_CLK(mcfuart1, "mcfuart.1", MCF_BUSCLK);
29DEFINE_CLK(mcfqspi0, "mcfqspi.0", MCF_BUSCLK);
30
31struct clk *mcf_clks[] = {
32 &clk_pll,
33 &clk_sys,
34 &clk_mcftmr0,
35 &clk_mcftmr1,
36 &clk_mcfuart0,
37 &clk_mcfuart1,
38 &clk_mcfqspi0,
39 NULL
40};
41
42/***************************************************************************/
43
44#ifdef CONFIG_M5249C3
45
46static struct resource m5249_smc91x_resources[] = {
47 {
48 .start = 0xe0000300,
49 .end = 0xe0000300 + 0x100,
50 .flags = IORESOURCE_MEM,
51 },
52 {
53 .start = MCF_IRQ_GPIO6,
54 .end = MCF_IRQ_GPIO6,
55 .flags = IORESOURCE_IRQ,
56 },
57};
58
59static struct platform_device m5249_smc91x = {
60 .name = "smc91x",
61 .id = 0,
62 .num_resources = ARRAY_SIZE(m5249_smc91x_resources),
63 .resource = m5249_smc91x_resources,
64};
65
66#endif /* CONFIG_M5249C3 */
67
68static struct platform_device *m5249_devices[] __initdata = {
69#ifdef CONFIG_M5249C3
70 &m5249_smc91x,
71#endif
72};
73
74/***************************************************************************/
75
76static void __init m5249_qspi_init(void)
77{
78#if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI)
79 /* QSPI irq setup */
80 writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL4 | MCFSIM_ICR_PRI0,
81 MCFSIM_QSPIICR);
82 mcf_mapirq2imr(MCF_IRQ_QSPI, MCFINTC_QSPI);
83#endif /* IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) */
84}
85
86/***************************************************************************/
87
88#ifdef CONFIG_M5249C3
89
90static void __init m5249_smc91x_init(void)
91{
92 u32 gpio;
93
94 /* Set the GPIO line as interrupt source for smc91x device */
95 gpio = readl(MCFSIM2_GPIOINTENABLE);
96 writel(gpio | 0x40, MCFSIM2_GPIOINTENABLE);
97
98 gpio = readl(MCFINTC2_INTPRI5);
99 writel(gpio | 0x04000000, MCFINTC2_INTPRI5);
100}
101
102#endif /* CONFIG_M5249C3 */
103
104/***************************************************************************/
105
106void __init config_BSP(char *commandp, int size)
107{
108 mach_sched_init = hw_timer_init;
109
110#ifdef CONFIG_M5249C3
111 m5249_smc91x_init();
112#endif
113 m5249_qspi_init();
114}
115
116/***************************************************************************/
117
118static int __init init_BSP(void)
119{
120 platform_add_devices(m5249_devices, ARRAY_SIZE(m5249_devices));
121 return 0;
122}
123
124arch_initcall(init_BSP);
125
126/***************************************************************************/