Switch to platform style configuration for 532x ColdFire parts.
Initial support is for the UARTs. DMA support moved to common code
for all ColdFire parts.
Signed-off-by: Greg Ungerer <[email protected]>
---
diff -Naurp linux-2.6.24/arch/m68knommu/platform/532x/config.c linux-2.6.24-uc0/arch/m68knommu/platform/532x/config.c
--- linux-2.6.24/arch/m68knommu/platform/532x/config.c 2008-01-25 08:58:37.000000000 +1000
+++ linux-2.6.24-uc0/arch/m68knommu/platform/532x/config.c 2008-01-11 13:37:38.000000000 +1000
@@ -21,10 +21,11 @@
#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/mcfuart.h>
#include <asm/mcfdma.h>
#include <asm/mcfwdebug.h>
@@ -38,11 +39,60 @@ extern unsigned int mcf_timerlevel;
/***************************************************************************/
-/*
- * DMA channel base address table.
- */
-unsigned int dma_base_addr[MAX_M68K_DMA_CHANNELS] = { };
-unsigned int dma_device_address[MAX_M68K_DMA_CHANNELS];
+static struct mcf_platform_uart m532x_uart_platform[] = {
+ {
+ .mapbase = MCF_MBAR + MCFUART_BASE1,
+ .irq = MCFINT_VECBASE + MCFINT_UART0,
+ },
+ {
+ .mapbase = MCF_MBAR + MCFUART_BASE2,
+ .irq = MCFINT_VECBASE + MCFINT_UART1,
+ },
+ {
+ .mapbase = MCF_MBAR + MCFUART_BASE3,
+ .irq = MCFINT_VECBASE + MCFINT_UART2,
+ },
+ { },
+};
+
+static struct platform_device m532x_uart = {
+ .name = "mcfuart",
+ .id = 0,
+ .dev.platform_data = m532x_uart_platform,
+};
+
+static struct platform_device *m532x_devices[] __initdata = {
+ &m532x_uart,
+};
+
+/***************************************************************************/
+
+static void __init m532x_uart_init_line(int line, int irq)
+{
+ if (line == 0) {
+ MCF_INTC0_ICR26 = 0x3;
+ MCF_INTC0_CIMR = 26;
+ /* GPIO initialization */
+ MCF_GPIO_PAR_UART |= 0x000F;
+ } else if (line == 1) {
+ MCF_INTC0_ICR27 = 0x3;
+ MCF_INTC0_CIMR = 27;
+ /* GPIO initialization */
+ MCF_GPIO_PAR_UART |= 0x0FF0;
+ } else if (line == 2) {
+ MCF_INTC0_ICR28 = 0x3;
+ MCF_INTC0_CIMR = 28;
+ }
+}
+
+static void __init m532x_uarts_init(void)
+{
+ const int nrlines = ARRAY_SIZE(m532x_uart_platform);
+ int line;
+
+ for (line = 0; (line < nrlines); line++)
+ m532x_uart_init_line(line, m532x_uart_platform[line].irq);
+}
/***************************************************************************/
@@ -80,7 +130,7 @@ 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);
@@ -99,7 +149,7 @@ void config_BSP(char *commandp, int size
mcf_profilevector = 64+33;
mach_reset = coldfire_reset;
-#ifdef MCF_BDM_DISABLE
+#ifdef CONFIG_BDM_DISABLE
/*
* Disable the BDM clocking. This also turns off most of the rest of
* the BDM device. This is good for EMC reasons. This option is not
@@ -110,9 +160,19 @@ void config_BSP(char *commandp, int size
}
/***************************************************************************/
-/* Board initialization */
-/********************************************************************/
+static int __init init_BSP(void)
+{
+ m532x_uarts_init();
+ platform_add_devices(m532x_devices, ARRAY_SIZE(m532x_devices));
+ return 0;
+}
+
+arch_initcall(init_BSP);
+
+/***************************************************************************/
+/* Board initialization */
+/***************************************************************************/
/*
* PLL min/max specifications
*/