diff options
Diffstat (limited to 'arch/m68knommu')
-rw-r--r-- | arch/m68knommu/platform/5272/config.c | 72 |
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 | /* | 40 | static struct mcf_platform_uart m5272_uart_platform[] = { |
41 | * DMA channel base address table. | 41 | { |
42 | */ | 42 | .mapbase = MCF_MBAR + MCFUART_BASE1, |
43 | unsigned 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 | ||
47 | unsigned int dma_device_address[MAX_M68K_DMA_CHANNELS]; | 52 | static struct platform_device m5272_uart = { |
53 | .name = "mcfuart", | ||
54 | .id = 0, | ||
55 | .dev.platform_data = m5272_uart_platform, | ||
56 | }; | ||
57 | |||
58 | static struct platform_device *m5272_devices[] __initdata = { | ||
59 | &m5272_uart, | ||
60 | }; | ||
61 | |||
62 | /***************************************************************************/ | ||
63 | |||
64 | static 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 | |||
83 | static 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 | ||
96 | void config_BSP(char *commandp, int size) | 139 | void __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 | |||
172 | static 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 | |||
179 | arch_initcall(init_BSP); | ||
180 | |||
181 | /***************************************************************************/ | ||