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yaml
---
r: 81784
b: refs/heads/master
c: 84e6def
h: refs/heads/master
v: v3
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Greg Ungerer authored and Linus Torvalds committed Feb 1, 2008
1 parent d2a589d commit 53c64e5
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Showing 2 changed files with 64 additions and 10 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 7dabb9ad8de527c3afef055a3ea18d027a4cca63
refs/heads/master: 84e6defae684656193621a5812f51ff3561550b1
72 changes: 63 additions & 9 deletions trunk/arch/m68knommu/platform/5272/config.c
Original file line number Diff line number Diff line change
Expand Up @@ -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>

/***************************************************************************/

Expand All @@ -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);
}

/***************************************************************************/

Expand Down Expand Up @@ -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;
Expand Down Expand Up @@ -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);

/***************************************************************************/

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