diff options
author | Greg Ungerer <gerg@snapgear.com> | 2008-02-01 02:34:08 -0500 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-02-01 04:54:03 -0500 |
commit | cf64c233839e97221d63ed7887b59196c8c748c3 (patch) | |
tree | 2d83cc2619ced36f48eb1737383712f456354fc2 | |
parent | 9685c43e4ea7e7267afd30157ca22af4e21e2767 (diff) |
m68knommu: platform setup for 5206e ColdFire parts
Switch to platform style configuration for 5206e ColdFire parts.
Initial support is for the UARTs. DMA support is moved to common code.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r-- | arch/m68knommu/platform/5206e/config.c | 66 |
1 files changed, 57 insertions, 9 deletions
diff --git a/arch/m68knommu/platform/5206e/config.c b/arch/m68knommu/platform/5206e/config.c index f84a4aea8cb6..b555b5cc4b0b 100644 --- a/arch/m68knommu/platform/5206e/config.c +++ b/arch/m68knommu/platform/5206e/config.c | |||
@@ -10,8 +10,9 @@ | |||
10 | 10 | ||
11 | #include <linux/kernel.h> | 11 | #include <linux/kernel.h> |
12 | #include <linux/param.h> | 12 | #include <linux/param.h> |
13 | #include <linux/init.h> | ||
13 | #include <linux/interrupt.h> | 14 | #include <linux/interrupt.h> |
14 | #include <asm/dma.h> | 15 | #include <linux/io.h> |
15 | #include <asm/machdep.h> | 16 | #include <asm/machdep.h> |
16 | #include <asm/coldfire.h> | 17 | #include <asm/coldfire.h> |
17 | #include <asm/mcfsim.h> | 18 | #include <asm/mcfsim.h> |
@@ -23,15 +24,51 @@ void coldfire_reset(void); | |||
23 | 24 | ||
24 | /***************************************************************************/ | 25 | /***************************************************************************/ |
25 | 26 | ||
26 | /* | 27 | static struct mcf_platform_uart m5206e_uart_platform[] = { |
27 | * DMA channel base address table. | 28 | { |
28 | */ | 29 | .mapbase = MCF_MBAR + MCFUART_BASE1, |
29 | unsigned int dma_base_addr[MAX_M68K_DMA_CHANNELS] = { | 30 | .irq = 73, |
30 | MCF_MBAR + MCFDMA_BASE0, | 31 | }, |
31 | MCF_MBAR + MCFDMA_BASE1, | 32 | { |
33 | .mapbase = MCF_MBAR + MCFUART_BASE2, | ||
34 | .irq = 74, | ||
35 | }, | ||
36 | { }, | ||
37 | }; | ||
38 | |||
39 | static struct platform_device m5206e_uart = { | ||
40 | .name = "mcfuart", | ||
41 | .id = 0, | ||
42 | .dev.platform_data = m5206e_uart_platform, | ||
32 | }; | 43 | }; |
33 | 44 | ||
34 | unsigned int dma_device_address[MAX_M68K_DMA_CHANNELS]; | 45 | static struct platform_device *m5206e_devices[] __initdata = { |
46 | &m5206e_uart, | ||
47 | }; | ||
48 | |||
49 | /***************************************************************************/ | ||
50 | |||
51 | static void __init m5206_uart_init_line(int line, int irq) | ||
52 | { | ||
53 | if (line == 0) { | ||
54 | writel(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI1, MCF_MBAR + MCFSIM_UART1ICR); | ||
55 | writeb(irq, MCFUART_BASE1 + MCFUART_UIVR); | ||
56 | mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART1); | ||
57 | } else if (line == 1) { | ||
58 | writel(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI2, MCF_MBAR + MCFSIM_UART2ICR); | ||
59 | writeb(irq, MCFUART_BASE2 + MCFUART_UIVR); | ||
60 | mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART2); | ||
61 | } | ||
62 | } | ||
63 | |||
64 | static void __init m5206e_uarts_init(void) | ||
65 | { | ||
66 | const int nrlines = ARRAY_SIZE(m5206e_uart_platform); | ||
67 | int line; | ||
68 | |||
69 | for (line = 0; (line < nrlines); line++) | ||
70 | m5206e_uart_init_line(line, m5206e_uart_platform[line].irq); | ||
71 | } | ||
35 | 72 | ||
36 | /***************************************************************************/ | 73 | /***************************************************************************/ |
37 | 74 | ||
@@ -85,7 +122,7 @@ int mcf_timerirqpending(int timer) | |||
85 | 122 | ||
86 | /***************************************************************************/ | 123 | /***************************************************************************/ |
87 | 124 | ||
88 | void config_BSP(char *commandp, int size) | 125 | void __init config_BSP(char *commandp, int size) |
89 | { | 126 | { |
90 | mcf_setimr(MCFSIM_IMR_MASKALL); | 127 | mcf_setimr(MCFSIM_IMR_MASKALL); |
91 | 128 | ||
@@ -99,3 +136,14 @@ void config_BSP(char *commandp, int size) | |||
99 | } | 136 | } |
100 | 137 | ||
101 | /***************************************************************************/ | 138 | /***************************************************************************/ |
139 | |||
140 | static int __init init_BSP(void) | ||
141 | { | ||
142 | m5206e_uarts_init(); | ||
143 | platform_add_devices(m5206e_devices, ARRAY_SIZE(m5206e_devices)); | ||
144 | return 0; | ||
145 | } | ||
146 | |||
147 | arch_initcall(init_BSP); | ||
148 | |||
149 | /***************************************************************************/ | ||