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-rw-r--r--arch/m68k/platform/coldfire/m5249.c118
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
23struct 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
28unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips);
29
30/***************************************************************************/
31
32#ifdef CONFIG_M5249C3
33
34static 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
47static 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
56static 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
66static 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
80static 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
96void __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
110static int __init init_BSP(void)
111{
112 platform_add_devices(m5249_devices, ARRAY_SIZE(m5249_devices));
113 return 0;
114}
115
116arch_initcall(init_BSP);
117
118/***************************************************************************/