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-rw-r--r--arch/m68knommu/platform/528x/config.c86
1 files changed, 77 insertions, 9 deletions
diff --git a/arch/m68knommu/platform/528x/config.c b/arch/m68knommu/platform/528x/config.c
index acbd43486d97..036e1b73d944 100644
--- a/arch/m68knommu/platform/528x/config.c
+++ b/arch/m68knommu/platform/528x/config.c
@@ -16,11 +16,15 @@
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/platform_device.h>
20#include <linux/spi/spi.h>
21#include <linux/spi/flash.h>
22#include <linux/io.h>
20#include <asm/machdep.h> 23#include <asm/machdep.h>
21#include <asm/coldfire.h> 24#include <asm/coldfire.h>
22#include <asm/mcfsim.h> 25#include <asm/mcfsim.h>
23#include <asm/mcfdma.h> 26#include <asm/mcfuart.h>
27#include <asm/mcfqspi.h>
24 28
25/***************************************************************************/ 29/***************************************************************************/
26 30
@@ -28,14 +32,67 @@ void coldfire_reset(void);
28 32
29/***************************************************************************/ 33/***************************************************************************/
30 34
31/* 35static struct mcf_platform_uart m528x_uart_platform[] = {
32 * DMA channel base address table. 36 {
33 */ 37 .mapbase = MCF_MBAR + MCFUART_BASE1,
34unsigned int dma_base_addr[MAX_M68K_DMA_CHANNELS] = { 38 .irq = MCFINT_VECBASE + MCFINT_UART0,
35 MCF_MBAR + MCFDMA_BASE0, 39 },
40 {
41 .mapbase = MCF_MBAR + MCFUART_BASE2,
42 .irq = MCFINT_VECBASE + MCFINT_UART0 + 1,
43 },
44 {
45 .mapbase = MCF_MBAR + MCFUART_BASE3,
46 .irq = MCFINT_VECBASE + MCFINT_UART0 + 2,
47 },
48 { },
36}; 49};
37 50
38unsigned int dma_device_address[MAX_M68K_DMA_CHANNELS]; 51static struct platform_device m528x_uart = {
52 .name = "mcfuart",
53 .id = 0,
54 .dev.platform_data = m528x_uart_platform,
55};
56
57static struct platform_device *m528x_devices[] __initdata = {
58 &m528x_uart,
59};
60
61/***************************************************************************/
62
63#define INTC0 (MCF_MBAR + MCFICM_INTC0)
64
65static void __init m528x_uart_init_line(int line, int irq)
66{
67 u8 port;
68 u32 imr;
69
70 if ((line < 0) || (line > 2))
71 return;
72
73 /* level 6, line based priority */
74 writeb(0x30+line, INTC0 + MCFINTC_ICR0 + MCFINT_UART0 + line);
75
76 imr = readl(INTC0 + MCFINTC_IMRL);
77 imr &= ~((1 << (irq - MCFINT_VECBASE)) | 1);
78 writel(imr, INTC0 + MCFINTC_IMRL);
79
80 /* make sure PUAPAR is set for UART0 and UART1 */
81 if (line < 2) {
82 port = readb(MCF_MBAR + MCF5282_GPIO_PUAPAR);
83 port |= (0x03 << (line * 2));
84 writeb(port, MCF_MBAR + MCF5282_GPIO_PUAPAR);
85 }
86}
87
88static void __init m528x_uarts_init(void)
89{
90 const int nrlines = ARRAY_SIZE(m528x_uart_platform);
91 int line;
92
93 for (line = 0; (line < nrlines); line++)
94 m528x_uart_init_line(line, m528x_uart_platform[line].irq);
95}
39 96
40/***************************************************************************/ 97/***************************************************************************/
41 98
@@ -54,10 +111,21 @@ void mcf_autovector(unsigned int vec)
54 111
55/***************************************************************************/ 112/***************************************************************************/
56 113
57void config_BSP(char *commandp, int size) 114void __init config_BSP(char *commandp, int size)
58{ 115{
59 mcf_disableall(); 116 mcf_disableall();
60 mach_reset = coldfire_reset; 117 mach_reset = coldfire_reset;
61} 118}
62 119
63/***************************************************************************/ 120/***************************************************************************/
121
122static int __init init_BSP(void)
123{
124 m528x_uarts_init();
125 platform_add_devices(m528x_devices, ARRAY_SIZE(m528x_devices));
126 return 0;
127}
128
129arch_initcall(init_BSP);
130
131/***************************************************************************/