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-rw-r--r--arch/m68knommu/platform/523x/config.c75
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/* 31static struct mcf_platform_uart m523x_uart_platform[] = {
32 * DMA channel base address table. 32 {
33 */ 33 .mapbase = MCF_MBAR + MCFUART_BASE1,
34unsigned 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
47static struct platform_device m523x_uart = {
48 .name = "mcfuart",
49 .id = 0,
50 .dev.platform_data = m523x_uart_platform,
51};
52
53static struct platform_device *m523x_devices[] __initdata = {
54 &m523x_uart,
36}; 55};
37 56
38unsigned int dma_device_address[MAX_M68K_DMA_CHANNELS]; 57/***************************************************************************/
58
59#define INTC0 (MCF_MBAR + MCFICM_INTC0)
60
61static 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
75static 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
50void mcf_autovector(unsigned int vec) 94void 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
57void config_BSP(char *commandp, int size) 101void __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
110static int __init init_BSP(void)
111{
112 platform_add_devices(m523x_devices, ARRAY_SIZE(m523x_devices));
113 return 0;
114}
115
116arch_initcall(init_BSP);
117
118/***************************************************************************/