diff options
Diffstat (limited to 'arch/m68knommu/platform/5272/config.c')
| -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 634a6375e4a..2a3cf5ea133 100644 --- a/arch/m68knommu/platform/5272/config.c +++ b/arch/m68knommu/platform/5272/config.c @@ -13,11 +13,11 @@ #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> -#include <asm/mcfdma.h> +#include <asm/mcfuart.h> /***************************************************************************/ @@ -37,14 +37,57 @@ unsigned char ledbank = 0xff; /***************************************************************************/ -/* - * DMA channel base address table. - */ -unsigned int dma_base_addr[MAX_M68K_DMA_CHANNELS] = { - MCF_MBAR + MCFDMA_BASE0, +static struct mcf_platform_uart m5272_uart_platform[] = { + { + .mapbase = MCF_MBAR + MCFUART_BASE1, + .irq = 73, + }, + { + .mapbase = MCF_MBAR + MCFUART_BASE2, + .irq = 74, + }, + { }, }; -unsigned int dma_device_address[MAX_M68K_DMA_CHANNELS]; +static struct platform_device m5272_uart = { + .name = "mcfuart", + .id = 0, + .dev.platform_data = m5272_uart_platform, +}; + +static struct platform_device *m5272_devices[] __initdata = { + &m5272_uart, +}; + +/***************************************************************************/ + +static void __init m5272_uart_init_line(int line, int irq) +{ + u32 v; + + if ((line >= 0) && (line < 2)) { + v = (line) ? 0x0e000000 : 0xe0000000; + writel(v, MCF_MBAR + MCFSIM_ICR2); + + /* Enable the output lines for the serial ports */ + v = readl(MCF_MBAR + MCFSIM_PBCNT); + v = (v & ~0x000000ff) | 0x00000055; + writel(v, MCF_MBAR + MCFSIM_PBCNT); + + v = readl(MCF_MBAR + MCFSIM_PDCNT); + v = (v & ~0x000003fc) | 0x000002a8; + writel(v, MCF_MBAR + MCFSIM_PDCNT); + } +} + +static void __init m5272_uarts_init(void) +{ + const int nrlines = ARRAY_SIZE(m5272_uart_platform); + int line; + + for (line = 0; (line < nrlines); line++) + m5272_uart_init_line(line, m5272_uart_platform[line].irq); +} /***************************************************************************/ @@ -93,7 +136,7 @@ int mcf_timerirqpending(int timer) /***************************************************************************/ -void config_BSP(char *commandp, int size) +void __init config_BSP(char *commandp, int size) { #if defined (CONFIG_MOD5272) volatile unsigned char *pivrp; @@ -125,3 +168,14 @@ void config_BSP(char *commandp, int size) } /***************************************************************************/ + +static int __init init_BSP(void) +{ + m5272_uarts_init(); + platform_add_devices(m5272_devices, ARRAY_SIZE(m5272_devices)); + return 0; +} + +arch_initcall(init_BSP); + +/***************************************************************************/ |