diff options
Diffstat (limited to 'arch/m68k/platform/coldfire/m5249.c')
-rw-r--r-- | arch/m68k/platform/coldfire/m5249.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/arch/m68k/platform/coldfire/m5249.c b/arch/m68k/platform/coldfire/m5249.c new file mode 100644 index 000000000000..fdfa1edfd1ac --- /dev/null +++ b/arch/m68k/platform/coldfire/m5249.c | |||
@@ -0,0 +1,118 @@ | |||
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/mcfgpio.h> | ||
20 | |||
21 | /***************************************************************************/ | ||
22 | |||
23 | struct mcf_gpio_chip mcf_gpio_chips[] = { | ||
24 | MCFGPS(GPIO0, 0, 32, MCFSIM2_GPIOENABLE, MCFSIM2_GPIOWRITE, MCFSIM2_GPIOREAD), | ||
25 | MCFGPS(GPIO1, 32, 32, MCFSIM2_GPIO1ENABLE, MCFSIM2_GPIO1WRITE, MCFSIM2_GPIO1READ), | ||
26 | }; | ||
27 | |||
28 | unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips); | ||
29 | |||
30 | /***************************************************************************/ | ||
31 | |||
32 | #ifdef CONFIG_M5249C3 | ||
33 | |||
34 | static struct resource m5249_smc91x_resources[] = { | ||
35 | { | ||
36 | .start = 0xe0000300, | ||
37 | .end = 0xe0000300 + 0x100, | ||
38 | .flags = IORESOURCE_MEM, | ||
39 | }, | ||
40 | { | ||
41 | .start = MCFINTC2_GPIOIRQ6, | ||
42 | .end = MCFINTC2_GPIOIRQ6, | ||
43 | .flags = IORESOURCE_IRQ, | ||
44 | }, | ||
45 | }; | ||
46 | |||
47 | static struct platform_device m5249_smc91x = { | ||
48 | .name = "smc91x", | ||
49 | .id = 0, | ||
50 | .num_resources = ARRAY_SIZE(m5249_smc91x_resources), | ||
51 | .resource = m5249_smc91x_resources, | ||
52 | }; | ||
53 | |||
54 | #endif /* CONFIG_M5249C3 */ | ||
55 | |||
56 | static struct platform_device *m5249_devices[] __initdata = { | ||
57 | #ifdef CONFIG_M5249C3 | ||
58 | &m5249_smc91x, | ||
59 | #endif | ||
60 | }; | ||
61 | |||
62 | /***************************************************************************/ | ||
63 | |||
64 | #if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) | ||
65 | |||
66 | static void __init m5249_qspi_init(void) | ||
67 | { | ||
68 | /* QSPI irq setup */ | ||
69 | writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL4 | MCFSIM_ICR_PRI0, | ||
70 | MCF_MBAR + MCFSIM_QSPIICR); | ||
71 | mcf_mapirq2imr(MCF_IRQ_QSPI, MCFINTC_QSPI); | ||
72 | } | ||
73 | |||
74 | #endif /* IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) */ | ||
75 | |||
76 | /***************************************************************************/ | ||
77 | |||
78 | #ifdef CONFIG_M5249C3 | ||
79 | |||
80 | static void __init m5249_smc91x_init(void) | ||
81 | { | ||
82 | u32 gpio; | ||
83 | |||
84 | /* Set the GPIO line as interrupt source for smc91x device */ | ||
85 | gpio = readl(MCF_MBAR2 + MCFSIM2_GPIOINTENABLE); | ||
86 | writel(gpio | 0x40, MCF_MBAR2 + MCFSIM2_GPIOINTENABLE); | ||
87 | |||
88 | gpio = readl(MCF_MBAR2 + MCFSIM2_INTLEVEL5); | ||
89 | writel(gpio | 0x04000000, MCF_MBAR2 + MCFSIM2_INTLEVEL5); | ||
90 | } | ||
91 | |||
92 | #endif /* CONFIG_M5249C3 */ | ||
93 | |||
94 | /***************************************************************************/ | ||
95 | |||
96 | void __init config_BSP(char *commandp, int size) | ||
97 | { | ||
98 | mach_sched_init = hw_timer_init; | ||
99 | |||
100 | #ifdef CONFIG_M5249C3 | ||
101 | m5249_smc91x_init(); | ||
102 | #endif | ||
103 | #if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) | ||
104 | m5249_qspi_init(); | ||
105 | #endif | ||
106 | } | ||
107 | |||
108 | /***************************************************************************/ | ||
109 | |||
110 | static int __init init_BSP(void) | ||
111 | { | ||
112 | platform_add_devices(m5249_devices, ARRAY_SIZE(m5249_devices)); | ||
113 | return 0; | ||
114 | } | ||
115 | |||
116 | arch_initcall(init_BSP); | ||
117 | |||
118 | /***************************************************************************/ | ||