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| author | Greg Ungerer <gerg@snapgear.com> | 2008-02-01 17:34:08 +1000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-02-01 20:54:03 +1100 |
| commit | cf64c233839e97221d63ed7887b59196c8c748c3 (patch) | |
| tree | 2d83cc2619ced36f48eb1737383712f456354fc2 /arch/m68knommu/platform | |
| parent | 9685c43e4ea7e7267afd30157ca22af4e21e2767 (diff) | |
| download | linux-cf64c233839e97221d63ed7887b59196c8c748c3.tar.gz linux-cf64c233839e97221d63ed7887b59196c8c748c3.tar.bz2 linux-cf64c233839e97221d63ed7887b59196c8c748c3.zip | |
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>
Diffstat (limited to 'arch/m68knommu/platform')
| -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 @@ #include <linux/kernel.h> #include <linux/param.h> +#include <linux/init.h> #include <linux/interrupt.h> -#include <asm/dma.h> +#include <linux/io.h> #include <asm/machdep.h> #include <asm/coldfire.h> #include <asm/mcfsim.h> @@ -23,15 +24,51 @@ void coldfire_reset(void); /***************************************************************************/ -/* - * DMA channel base address table. - */ -unsigned int dma_base_addr[MAX_M68K_DMA_CHANNELS] = { - MCF_MBAR + MCFDMA_BASE0, - MCF_MBAR + MCFDMA_BASE1, +static struct mcf_platform_uart m5206e_uart_platform[] = { + { + .mapbase = MCF_MBAR + MCFUART_BASE1, + .irq = 73, + }, + { + .mapbase = MCF_MBAR + MCFUART_BASE2, + .irq = 74, + }, + { }, +}; + +static struct platform_device m5206e_uart = { + .name = "mcfuart", + .id = 0, + .dev.platform_data = m5206e_uart_platform, }; -unsigned int dma_device_address[MAX_M68K_DMA_CHANNELS]; +static struct platform_device *m5206e_devices[] __initdata = { + &m5206e_uart, +}; + +/***************************************************************************/ + +static void __init m5206_uart_init_line(int line, int irq) +{ + if (line == 0) { + writel(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI1, MCF_MBAR + MCFSIM_UART1ICR); + writeb(irq, MCFUART_BASE1 + MCFUART_UIVR); + mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART1); + } else if (line == 1) { + writel(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI2, MCF_MBAR + MCFSIM_UART2ICR); + writeb(irq, MCFUART_BASE2 + MCFUART_UIVR); + mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART2); + } +} + +static void __init m5206e_uarts_init(void) +{ + const int nrlines = ARRAY_SIZE(m5206e_uart_platform); + int line; + + for (line = 0; (line < nrlines); line++) + m5206e_uart_init_line(line, m5206e_uart_platform[line].irq); +} /***************************************************************************/ @@ -85,7 +122,7 @@ int mcf_timerirqpending(int timer) /***************************************************************************/ -void config_BSP(char *commandp, int size) +void __init config_BSP(char *commandp, int size) { mcf_setimr(MCFSIM_IMR_MASKALL); @@ -99,3 +136,14 @@ void config_BSP(char *commandp, int size) } /***************************************************************************/ + +static int __init init_BSP(void) +{ + m5206e_uarts_init(); + platform_add_devices(m5206e_devices, ARRAY_SIZE(m5206e_devices)); + return 0; +} + +arch_initcall(init_BSP); + +/***************************************************************************/ |