diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/m68knommu/platform/523x/config.c | 75 |
1 files changed, 65 insertions, 10 deletions
diff --git a/arch/m68knommu/platform/523x/config.c b/arch/m68knommu/platform/523x/config.c index e7f80c8e8636..13f02611ea23 100644 --- a/arch/m68knommu/platform/523x/config.c +++ b/arch/m68knommu/platform/523x/config.c | |||
@@ -16,11 +16,11 @@ | |||
16 | #include <linux/param.h> | 16 | #include <linux/param.h> |
17 | #include <linux/init.h> | 17 | #include <linux/init.h> |
18 | #include <linux/interrupt.h> | 18 | #include <linux/interrupt.h> |
19 | #include <asm/dma.h> | 19 | #include <linux/io.h> |
20 | #include <asm/machdep.h> | 20 | #include <asm/machdep.h> |
21 | #include <asm/coldfire.h> | 21 | #include <asm/coldfire.h> |
22 | #include <asm/mcfsim.h> | 22 | #include <asm/mcfsim.h> |
23 | #include <asm/mcfdma.h> | 23 | #include <asm/mcfuart.h> |
24 | 24 | ||
25 | /***************************************************************************/ | 25 | /***************************************************************************/ |
26 | 26 | ||
@@ -28,14 +28,58 @@ void coldfire_reset(void); | |||
28 | 28 | ||
29 | /***************************************************************************/ | 29 | /***************************************************************************/ |
30 | 30 | ||
31 | /* | 31 | static struct mcf_platform_uart m523x_uart_platform[] = { |
32 | * DMA channel base address table. | 32 | { |
33 | */ | 33 | .mapbase = MCF_MBAR + MCFUART_BASE1, |
34 | unsigned int dma_base_addr[MAX_M68K_DMA_CHANNELS] = { | 34 | .irq = MCFINT_VECBASE + MCFINT_UART0, |
35 | MCF_MBAR + MCFDMA_BASE0, | 35 | }, |
36 | { | ||
37 | .mapbase = MCF_MBAR + MCFUART_BASE2, | ||
38 | .irq = MCFINT_VECBASE + MCFINT_UART0 + 1, | ||
39 | }, | ||
40 | { | ||
41 | .mapbase = MCF_MBAR + MCFUART_BASE3, | ||
42 | .irq = MCFINT_VECBASE + MCFINT_UART0 + 2, | ||
43 | }, | ||
44 | { }, | ||
45 | }; | ||
46 | |||
47 | static struct platform_device m523x_uart = { | ||
48 | .name = "mcfuart", | ||
49 | .id = 0, | ||
50 | .dev.platform_data = m523x_uart_platform, | ||
51 | }; | ||
52 | |||
53 | static struct platform_device *m523x_devices[] __initdata = { | ||
54 | &m523x_uart, | ||
36 | }; | 55 | }; |
37 | 56 | ||
38 | unsigned int dma_device_address[MAX_M68K_DMA_CHANNELS]; | 57 | /***************************************************************************/ |
58 | |||
59 | #define INTC0 (MCF_MBAR + MCFICM_INTC0) | ||
60 | |||
61 | static void __init m523x_uart_init_line(int line, int irq) | ||
62 | { | ||
63 | u32 imr; | ||
64 | |||
65 | if ((line < 0) || (line > 2)) | ||
66 | return; | ||
67 | |||
68 | writeb(0x30+line, (INTC0 + MCFINTC_ICR0 + MCFINT_UART0 + line)); | ||
69 | |||
70 | imr = readl(INTC0 + MCFINTC_IMRL); | ||
71 | imr &= ~((1 << (irq - MCFINT_VECBASE)) | 1); | ||
72 | writel(imr, INTC0 + MCFINTC_IMRL); | ||
73 | } | ||
74 | |||
75 | static void __init m523x_uarts_init(void) | ||
76 | { | ||
77 | const int nrlines = ARRAY_SIZE(m523x_uart_platform); | ||
78 | int line; | ||
79 | |||
80 | for (line = 0; (line < nrlines); line++) | ||
81 | m523x_uart_init_line(line, m523x_uart_platform[line].irq); | ||
82 | } | ||
39 | 83 | ||
40 | /***************************************************************************/ | 84 | /***************************************************************************/ |
41 | 85 | ||
@@ -49,15 +93,26 @@ void mcf_disableall(void) | |||
49 | 93 | ||
50 | void mcf_autovector(unsigned int vec) | 94 | void mcf_autovector(unsigned int vec) |
51 | { | 95 | { |
52 | /* Everything is auto-vectored on the 5272 */ | 96 | /* Everything is auto-vectored on the 523x */ |
53 | } | 97 | } |
54 | 98 | ||
55 | /***************************************************************************/ | 99 | /***************************************************************************/ |
56 | 100 | ||
57 | void config_BSP(char *commandp, int size) | 101 | void __init config_BSP(char *commandp, int size) |
58 | { | 102 | { |
59 | mcf_disableall(); | 103 | mcf_disableall(); |
60 | mach_reset = coldfire_reset; | 104 | mach_reset = coldfire_reset; |
105 | m523x_uarts_init(); | ||
61 | } | 106 | } |
62 | 107 | ||
63 | /***************************************************************************/ | 108 | /***************************************************************************/ |
109 | |||
110 | static int __init init_BSP(void) | ||
111 | { | ||
112 | platform_add_devices(m523x_devices, ARRAY_SIZE(m523x_devices)); | ||
113 | return 0; | ||
114 | } | ||
115 | |||
116 | arch_initcall(init_BSP); | ||
117 | |||
118 | /***************************************************************************/ | ||