diff options
Diffstat (limited to 'arch/m68k/coldfire/m5249.c')
-rw-r--r-- | arch/m68k/coldfire/m5249.c | 126 |
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 | |||
23 | DEFINE_CLK(pll, "pll.0", MCF_CLK); | ||
24 | DEFINE_CLK(sys, "sys.0", MCF_BUSCLK); | ||
25 | DEFINE_CLK(mcftmr0, "mcftmr.0", MCF_BUSCLK); | ||
26 | DEFINE_CLK(mcftmr1, "mcftmr.1", MCF_BUSCLK); | ||
27 | DEFINE_CLK(mcfuart0, "mcfuart.0", MCF_BUSCLK); | ||
28 | DEFINE_CLK(mcfuart1, "mcfuart.1", MCF_BUSCLK); | ||
29 | DEFINE_CLK(mcfqspi0, "mcfqspi.0", MCF_BUSCLK); | ||
30 | |||
31 | struct 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 | |||
46 | static 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 | |||
59 | static 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 | |||
68 | static struct platform_device *m5249_devices[] __initdata = { | ||
69 | #ifdef CONFIG_M5249C3 | ||
70 | &m5249_smc91x, | ||
71 | #endif | ||
72 | }; | ||
73 | |||
74 | /***************************************************************************/ | ||
75 | |||
76 | static 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 | |||
90 | static 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 | |||
106 | void __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 | |||
118 | static int __init init_BSP(void) | ||
119 | { | ||
120 | platform_add_devices(m5249_devices, ARRAY_SIZE(m5249_devices)); | ||
121 | return 0; | ||
122 | } | ||
123 | |||
124 | arch_initcall(init_BSP); | ||
125 | |||
126 | /***************************************************************************/ | ||