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-rw-r--r--arch/m68knommu/platform/5272/config.c72
1 files changed, 63 insertions, 9 deletions
diff --git a/arch/m68knommu/platform/5272/config.c b/arch/m68knommu/platform/5272/config.c
index 634a6375e4a5..2a3cf5ea1336 100644
--- a/arch/m68knommu/platform/5272/config.c
+++ b/arch/m68knommu/platform/5272/config.c
@@ -13,11 +13,11 @@
13#include <linux/param.h> 13#include <linux/param.h>
14#include <linux/init.h> 14#include <linux/init.h>
15#include <linux/interrupt.h> 15#include <linux/interrupt.h>
16#include <asm/dma.h> 16#include <linux/io.h>
17#include <asm/machdep.h> 17#include <asm/machdep.h>
18#include <asm/coldfire.h> 18#include <asm/coldfire.h>
19#include <asm/mcfsim.h> 19#include <asm/mcfsim.h>
20#include <asm/mcfdma.h> 20#include <asm/mcfuart.h>
21 21
22/***************************************************************************/ 22/***************************************************************************/
23 23
@@ -37,14 +37,57 @@ unsigned char ledbank = 0xff;
37 37
38/***************************************************************************/ 38/***************************************************************************/
39 39
40/* 40static struct mcf_platform_uart m5272_uart_platform[] = {
41 * DMA channel base address table. 41 {
42 */ 42 .mapbase = MCF_MBAR + MCFUART_BASE1,
43unsigned int dma_base_addr[MAX_M68K_DMA_CHANNELS] = { 43 .irq = 73,
44 MCF_MBAR + MCFDMA_BASE0, 44 },
45 {
46 .mapbase = MCF_MBAR + MCFUART_BASE2,
47 .irq = 74,
48 },
49 { },
45}; 50};
46 51
47unsigned int dma_device_address[MAX_M68K_DMA_CHANNELS]; 52static struct platform_device m5272_uart = {
53 .name = "mcfuart",
54 .id = 0,
55 .dev.platform_data = m5272_uart_platform,
56};
57
58static struct platform_device *m5272_devices[] __initdata = {
59 &m5272_uart,
60};
61
62/***************************************************************************/
63
64static void __init m5272_uart_init_line(int line, int irq)
65{
66 u32 v;
67
68 if ((line >= 0) && (line < 2)) {
69 v = (line) ? 0x0e000000 : 0xe0000000;
70 writel(v, MCF_MBAR + MCFSIM_ICR2);
71
72 /* Enable the output lines for the serial ports */
73 v = readl(MCF_MBAR + MCFSIM_PBCNT);
74 v = (v & ~0x000000ff) | 0x00000055;
75 writel(v, MCF_MBAR + MCFSIM_PBCNT);
76
77 v = readl(MCF_MBAR + MCFSIM_PDCNT);
78 v = (v & ~0x000003fc) | 0x000002a8;
79 writel(v, MCF_MBAR + MCFSIM_PDCNT);
80 }
81}
82
83static void __init m5272_uarts_init(void)
84{
85 const int nrlines = ARRAY_SIZE(m5272_uart_platform);
86 int line;
87
88 for (line = 0; (line < nrlines); line++)
89 m5272_uart_init_line(line, m5272_uart_platform[line].irq);
90}
48 91
49/***************************************************************************/ 92/***************************************************************************/
50 93
@@ -93,7 +136,7 @@ int mcf_timerirqpending(int timer)
93 136
94/***************************************************************************/ 137/***************************************************************************/
95 138
96void config_BSP(char *commandp, int size) 139void __init config_BSP(char *commandp, int size)
97{ 140{
98#if defined (CONFIG_MOD5272) 141#if defined (CONFIG_MOD5272)
99 volatile unsigned char *pivrp; 142 volatile unsigned char *pivrp;
@@ -125,3 +168,14 @@ void config_BSP(char *commandp, int size)
125} 168}
126 169
127/***************************************************************************/ 170/***************************************************************************/
171
172static int __init init_BSP(void)
173{
174 m5272_uarts_init();
175 platform_add_devices(m5272_devices, ARRAY_SIZE(m5272_devices));
176 return 0;
177}
178
179arch_initcall(init_BSP);
180
181/***************************************************************************/