core-$(CONFIG_M68VZ328) += arch/m68k/platform/68VZ328/
core-$(CONFIG_COLDFIRE) += arch/m68k/platform/coldfire/
core-$(CONFIG_M527x) += arch/m68k/platform/527x/
-core-$(CONFIG_M5272) += arch/m68k/platform/5272/
core-$(CONFIG_M528x) += arch/m68k/platform/528x/
core-$(CONFIG_M5307) += arch/m68k/platform/5307/
core-$(CONFIG_M532x) += arch/m68k/platform/532x/
+++ /dev/null
-#
-# Makefile for the linux kernel.
-#
-
-#
-# If you want to play with the HW breakpoints then you will
-# need to add define this, which will give you a stack backtrace
-# on the console port whenever a DBG interrupt occurs. You have to
-# set up you HW breakpoints to trigger a DBG interrupt:
-#
-# ccflags-y := -DTRAP_DBG_INTERRUPT
-# asflags-y := -DTRAP_DBG_INTERRUPT
-#
-
-asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1
-
-obj-y := config.o intc.o
-
+++ /dev/null
-/***************************************************************************/
-
-/*
- * linux/arch/m68knommu/platform/5272/config.c
- *
- * Copyright (C) 1999-2002, Greg Ungerer (gerg@snapgear.com)
- * Copyright (C) 2001-2002, SnapGear Inc. (www.snapgear.com)
- */
-
-/***************************************************************************/
-
-#include <linux/kernel.h>
-#include <linux/param.h>
-#include <linux/init.h>
-#include <linux/io.h>
-#include <linux/phy.h>
-#include <linux/phy_fixed.h>
-#include <asm/machdep.h>
-#include <asm/coldfire.h>
-#include <asm/mcfsim.h>
-#include <asm/mcfuart.h>
-#include <asm/mcfgpio.h>
-
-/***************************************************************************/
-
-/*
- * Some platforms need software versions of the GPIO data registers.
- */
-unsigned short ppdata;
-unsigned char ledbank = 0xff;
-
-/***************************************************************************/
-
-struct mcf_gpio_chip mcf_gpio_chips[] = {
- MCFGPS(PA, 0, 16, MCFSIM_PADDR, MCFSIM_PADAT, MCFSIM_PADAT),
- MCFGPS(PB, 16, 16, MCFSIM_PBDDR, MCFSIM_PBDAT, MCFSIM_PBDAT),
- MCFGPS(Pc, 32, 16, MCFSIM_PCDDR, MCFSIM_PCDAT, MCFSIM_PCDAT),
-};
-
-unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips);
-
-/***************************************************************************/
-
-static void __init m5272_uarts_init(void)
-{
- u32 v;
-
- /* 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 m5272_cpu_reset(void)
-{
- local_irq_disable();
- /* Set watchdog to reset, and enabled */
- __raw_writew(0, MCF_MBAR + MCFSIM_WIRR);
- __raw_writew(1, MCF_MBAR + MCFSIM_WRRR);
- __raw_writew(0, MCF_MBAR + MCFSIM_WCR);
- for (;;)
- /* wait for watchdog to timeout */;
-}
-
-/***************************************************************************/
-
-void __init config_BSP(char *commandp, int size)
-{
-#if defined (CONFIG_MOD5272)
- volatile unsigned char *pivrp;
-
- /* Set base of device vectors to be 64 */
- pivrp = (volatile unsigned char *) (MCF_MBAR + MCFSIM_PIVR);
- *pivrp = 0x40;
-#endif
-
-#if defined(CONFIG_NETtel) || defined(CONFIG_SCALES)
- /* Copy command line from FLASH to local buffer... */
- memcpy(commandp, (char *) 0xf0004000, size);
- commandp[size-1] = 0;
-#elif defined(CONFIG_CANCam)
- /* Copy command line from FLASH to local buffer... */
- memcpy(commandp, (char *) 0xf0010000, size);
- commandp[size-1] = 0;
-#endif
-
- mach_reset = m5272_cpu_reset;
- mach_sched_init = hw_timer_init;
-}
-
-/***************************************************************************/
-
-/*
- * Some 5272 based boards have the FEC ethernet diectly connected to
- * an ethernet switch. In this case we need to use the fixed phy type,
- * and we need to declare it early in boot.
- */
-static struct fixed_phy_status nettel_fixed_phy_status __initdata = {
- .link = 1,
- .speed = 100,
- .duplex = 0,
-};
-
-/***************************************************************************/
-
-static int __init init_BSP(void)
-{
- m5272_uarts_init();
- fixed_phy_add(PHY_POLL, 0, &nettel_fixed_phy_status);
- return 0;
-}
-
-arch_initcall(init_BSP);
-
-/***************************************************************************/
+++ /dev/null
-/*
- * intc.c -- interrupt controller or ColdFire 5272 SoC
- *
- * (C) Copyright 2009, Greg Ungerer <gerg@snapgear.com>
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file COPYING in the main directory of this archive
- * for more details.
- */
-
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/interrupt.h>
-#include <linux/kernel_stat.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-#include <asm/coldfire.h>
-#include <asm/mcfsim.h>
-#include <asm/traps.h>
-
-/*
- * The 5272 ColdFire interrupt controller is nothing like any other
- * ColdFire interrupt controller - it truly is completely different.
- * Given its age it is unlikely to be used on any other ColdFire CPU.
- */
-
-/*
- * The masking and priproty setting of interrupts on the 5272 is done
- * via a set of 4 "Interrupt Controller Registers" (ICR). There is a
- * loose mapping of vector number to register and internal bits, but
- * a table is the easiest and quickest way to map them.
- *
- * Note that the external interrupts are edge triggered (unlike the
- * internal interrupt sources which are level triggered). Which means
- * they also need acknowledging via acknowledge bits.
- */
-struct irqmap {
- unsigned char icr;
- unsigned char index;
- unsigned char ack;
-};
-
-static struct irqmap intc_irqmap[MCFINT_VECMAX - MCFINT_VECBASE] = {
- /*MCF_IRQ_SPURIOUS*/ { .icr = 0, .index = 0, .ack = 0, },
- /*MCF_IRQ_EINT1*/ { .icr = MCFSIM_ICR1, .index = 28, .ack = 1, },
- /*MCF_IRQ_EINT2*/ { .icr = MCFSIM_ICR1, .index = 24, .ack = 1, },
- /*MCF_IRQ_EINT3*/ { .icr = MCFSIM_ICR1, .index = 20, .ack = 1, },
- /*MCF_IRQ_EINT4*/ { .icr = MCFSIM_ICR1, .index = 16, .ack = 1, },
- /*MCF_IRQ_TIMER1*/ { .icr = MCFSIM_ICR1, .index = 12, .ack = 0, },
- /*MCF_IRQ_TIMER2*/ { .icr = MCFSIM_ICR1, .index = 8, .ack = 0, },
- /*MCF_IRQ_TIMER3*/ { .icr = MCFSIM_ICR1, .index = 4, .ack = 0, },
- /*MCF_IRQ_TIMER4*/ { .icr = MCFSIM_ICR1, .index = 0, .ack = 0, },
- /*MCF_IRQ_UART1*/ { .icr = MCFSIM_ICR2, .index = 28, .ack = 0, },
- /*MCF_IRQ_UART2*/ { .icr = MCFSIM_ICR2, .index = 24, .ack = 0, },
- /*MCF_IRQ_PLIP*/ { .icr = MCFSIM_ICR2, .index = 20, .ack = 0, },
- /*MCF_IRQ_PLIA*/ { .icr = MCFSIM_ICR2, .index = 16, .ack = 0, },
- /*MCF_IRQ_USB0*/ { .icr = MCFSIM_ICR2, .index = 12, .ack = 0, },
- /*MCF_IRQ_USB1*/ { .icr = MCFSIM_ICR2, .index = 8, .ack = 0, },
- /*MCF_IRQ_USB2*/ { .icr = MCFSIM_ICR2, .index = 4, .ack = 0, },
- /*MCF_IRQ_USB3*/ { .icr = MCFSIM_ICR2, .index = 0, .ack = 0, },
- /*MCF_IRQ_USB4*/ { .icr = MCFSIM_ICR3, .index = 28, .ack = 0, },
- /*MCF_IRQ_USB5*/ { .icr = MCFSIM_ICR3, .index = 24, .ack = 0, },
- /*MCF_IRQ_USB6*/ { .icr = MCFSIM_ICR3, .index = 20, .ack = 0, },
- /*MCF_IRQ_USB7*/ { .icr = MCFSIM_ICR3, .index = 16, .ack = 0, },
- /*MCF_IRQ_DMA*/ { .icr = MCFSIM_ICR3, .index = 12, .ack = 0, },
- /*MCF_IRQ_ERX*/ { .icr = MCFSIM_ICR3, .index = 8, .ack = 0, },
- /*MCF_IRQ_ETX*/ { .icr = MCFSIM_ICR3, .index = 4, .ack = 0, },
- /*MCF_IRQ_ENTC*/ { .icr = MCFSIM_ICR3, .index = 0, .ack = 0, },
- /*MCF_IRQ_QSPI*/ { .icr = MCFSIM_ICR4, .index = 28, .ack = 0, },
- /*MCF_IRQ_EINT5*/ { .icr = MCFSIM_ICR4, .index = 24, .ack = 1, },
- /*MCF_IRQ_EINT6*/ { .icr = MCFSIM_ICR4, .index = 20, .ack = 1, },
- /*MCF_IRQ_SWTO*/ { .icr = MCFSIM_ICR4, .index = 16, .ack = 0, },
-};
-
-/*
- * The act of masking the interrupt also has a side effect of 'ack'ing
- * an interrupt on this irq (for the external irqs). So this mask function
- * is also an ack_mask function.
- */
-static void intc_irq_mask(struct irq_data *d)
-{
- unsigned int irq = d->irq;
-
- if ((irq >= MCFINT_VECBASE) && (irq <= MCFINT_VECMAX)) {
- u32 v;
- irq -= MCFINT_VECBASE;
- v = 0x8 << intc_irqmap[irq].index;
- writel(v, MCF_MBAR + intc_irqmap[irq].icr);
- }
-}
-
-static void intc_irq_unmask(struct irq_data *d)
-{
- unsigned int irq = d->irq;
-
- if ((irq >= MCFINT_VECBASE) && (irq <= MCFINT_VECMAX)) {
- u32 v;
- irq -= MCFINT_VECBASE;
- v = 0xd << intc_irqmap[irq].index;
- writel(v, MCF_MBAR + intc_irqmap[irq].icr);
- }
-}
-
-static void intc_irq_ack(struct irq_data *d)
-{
- unsigned int irq = d->irq;
-
- /* Only external interrupts are acked */
- if ((irq >= MCFINT_VECBASE) && (irq <= MCFINT_VECMAX)) {
- irq -= MCFINT_VECBASE;
- if (intc_irqmap[irq].ack) {
- u32 v;
- v = readl(MCF_MBAR + intc_irqmap[irq].icr);
- v &= (0x7 << intc_irqmap[irq].index);
- v |= (0x8 << intc_irqmap[irq].index);
- writel(v, MCF_MBAR + intc_irqmap[irq].icr);
- }
- }
-}
-
-static int intc_irq_set_type(struct irq_data *d, unsigned int type)
-{
- unsigned int irq = d->irq;
-
- if ((irq >= MCFINT_VECBASE) && (irq <= MCFINT_VECMAX)) {
- irq -= MCFINT_VECBASE;
- if (intc_irqmap[irq].ack) {
- u32 v;
- v = readl(MCF_MBAR + MCFSIM_PITR);
- if (type == IRQ_TYPE_EDGE_FALLING)
- v &= ~(0x1 << (32 - irq));
- else
- v |= (0x1 << (32 - irq));
- writel(v, MCF_MBAR + MCFSIM_PITR);
- }
- }
- return 0;
-}
-
-/*
- * Simple flow handler to deal with the external edge triggered interrupts.
- * We need to be careful with the masking/acking due to the side effects
- * of masking an interrupt.
- */
-static void intc_external_irq(unsigned int irq, struct irq_desc *desc)
-{
- irq_desc_get_chip(desc)->irq_ack(&desc->irq_data);
- handle_simple_irq(irq, desc);
-}
-
-static struct irq_chip intc_irq_chip = {
- .name = "CF-INTC",
- .irq_mask = intc_irq_mask,
- .irq_unmask = intc_irq_unmask,
- .irq_mask_ack = intc_irq_mask,
- .irq_ack = intc_irq_ack,
- .irq_set_type = intc_irq_set_type,
-};
-
-void __init init_IRQ(void)
-{
- int irq, edge;
-
- /* Mask all interrupt sources */
- writel(0x88888888, MCF_MBAR + MCFSIM_ICR1);
- writel(0x88888888, MCF_MBAR + MCFSIM_ICR2);
- writel(0x88888888, MCF_MBAR + MCFSIM_ICR3);
- writel(0x88888888, MCF_MBAR + MCFSIM_ICR4);
-
- for (irq = 0; (irq < NR_IRQS); irq++) {
- irq_set_chip(irq, &intc_irq_chip);
- edge = 0;
- if ((irq >= MCFINT_VECBASE) && (irq <= MCFINT_VECMAX))
- edge = intc_irqmap[irq - MCFINT_VECBASE].ack;
- if (edge) {
- irq_set_irq_type(irq, IRQ_TYPE_EDGE_RISING);
- irq_set_handler(irq, intc_external_irq);
- } else {
- irq_set_irq_type(irq, IRQ_TYPE_LEVEL_HIGH);
- irq_set_handler(irq, handle_level_irq);
- }
- }
-}
-
obj-$(CONFIG_M523x) += m523x.o pit.o dma_timer.o intc-2.o reset.o
obj-$(CONFIG_M5249) += m5249.o timers.o intc.o intc-5249.o reset.o
obj-$(CONFIG_M527x) += pit.o intc-2.o reset.o
-obj-$(CONFIG_M5272) += timers.o
+obj-$(CONFIG_M5272) += m5272.o intc-5272.o timers.o
obj-$(CONFIG_M528x) += pit.o intc-2.o reset.o
obj-$(CONFIG_M5307) += timers.o intc.o reset.o
obj-$(CONFIG_M532x) += timers.o intc-simr.o reset.o
--- /dev/null
+/*
+ * intc.c -- interrupt controller or ColdFire 5272 SoC
+ *
+ * (C) Copyright 2009, Greg Ungerer <gerg@snapgear.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/interrupt.h>
+#include <linux/kernel_stat.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <asm/coldfire.h>
+#include <asm/mcfsim.h>
+#include <asm/traps.h>
+
+/*
+ * The 5272 ColdFire interrupt controller is nothing like any other
+ * ColdFire interrupt controller - it truly is completely different.
+ * Given its age it is unlikely to be used on any other ColdFire CPU.
+ */
+
+/*
+ * The masking and priproty setting of interrupts on the 5272 is done
+ * via a set of 4 "Interrupt Controller Registers" (ICR). There is a
+ * loose mapping of vector number to register and internal bits, but
+ * a table is the easiest and quickest way to map them.
+ *
+ * Note that the external interrupts are edge triggered (unlike the
+ * internal interrupt sources which are level triggered). Which means
+ * they also need acknowledging via acknowledge bits.
+ */
+struct irqmap {
+ unsigned char icr;
+ unsigned char index;
+ unsigned char ack;
+};
+
+static struct irqmap intc_irqmap[MCFINT_VECMAX - MCFINT_VECBASE] = {
+ /*MCF_IRQ_SPURIOUS*/ { .icr = 0, .index = 0, .ack = 0, },
+ /*MCF_IRQ_EINT1*/ { .icr = MCFSIM_ICR1, .index = 28, .ack = 1, },
+ /*MCF_IRQ_EINT2*/ { .icr = MCFSIM_ICR1, .index = 24, .ack = 1, },
+ /*MCF_IRQ_EINT3*/ { .icr = MCFSIM_ICR1, .index = 20, .ack = 1, },
+ /*MCF_IRQ_EINT4*/ { .icr = MCFSIM_ICR1, .index = 16, .ack = 1, },
+ /*MCF_IRQ_TIMER1*/ { .icr = MCFSIM_ICR1, .index = 12, .ack = 0, },
+ /*MCF_IRQ_TIMER2*/ { .icr = MCFSIM_ICR1, .index = 8, .ack = 0, },
+ /*MCF_IRQ_TIMER3*/ { .icr = MCFSIM_ICR1, .index = 4, .ack = 0, },
+ /*MCF_IRQ_TIMER4*/ { .icr = MCFSIM_ICR1, .index = 0, .ack = 0, },
+ /*MCF_IRQ_UART1*/ { .icr = MCFSIM_ICR2, .index = 28, .ack = 0, },
+ /*MCF_IRQ_UART2*/ { .icr = MCFSIM_ICR2, .index = 24, .ack = 0, },
+ /*MCF_IRQ_PLIP*/ { .icr = MCFSIM_ICR2, .index = 20, .ack = 0, },
+ /*MCF_IRQ_PLIA*/ { .icr = MCFSIM_ICR2, .index = 16, .ack = 0, },
+ /*MCF_IRQ_USB0*/ { .icr = MCFSIM_ICR2, .index = 12, .ack = 0, },
+ /*MCF_IRQ_USB1*/ { .icr = MCFSIM_ICR2, .index = 8, .ack = 0, },
+ /*MCF_IRQ_USB2*/ { .icr = MCFSIM_ICR2, .index = 4, .ack = 0, },
+ /*MCF_IRQ_USB3*/ { .icr = MCFSIM_ICR2, .index = 0, .ack = 0, },
+ /*MCF_IRQ_USB4*/ { .icr = MCFSIM_ICR3, .index = 28, .ack = 0, },
+ /*MCF_IRQ_USB5*/ { .icr = MCFSIM_ICR3, .index = 24, .ack = 0, },
+ /*MCF_IRQ_USB6*/ { .icr = MCFSIM_ICR3, .index = 20, .ack = 0, },
+ /*MCF_IRQ_USB7*/ { .icr = MCFSIM_ICR3, .index = 16, .ack = 0, },
+ /*MCF_IRQ_DMA*/ { .icr = MCFSIM_ICR3, .index = 12, .ack = 0, },
+ /*MCF_IRQ_ERX*/ { .icr = MCFSIM_ICR3, .index = 8, .ack = 0, },
+ /*MCF_IRQ_ETX*/ { .icr = MCFSIM_ICR3, .index = 4, .ack = 0, },
+ /*MCF_IRQ_ENTC*/ { .icr = MCFSIM_ICR3, .index = 0, .ack = 0, },
+ /*MCF_IRQ_QSPI*/ { .icr = MCFSIM_ICR4, .index = 28, .ack = 0, },
+ /*MCF_IRQ_EINT5*/ { .icr = MCFSIM_ICR4, .index = 24, .ack = 1, },
+ /*MCF_IRQ_EINT6*/ { .icr = MCFSIM_ICR4, .index = 20, .ack = 1, },
+ /*MCF_IRQ_SWTO*/ { .icr = MCFSIM_ICR4, .index = 16, .ack = 0, },
+};
+
+/*
+ * The act of masking the interrupt also has a side effect of 'ack'ing
+ * an interrupt on this irq (for the external irqs). So this mask function
+ * is also an ack_mask function.
+ */
+static void intc_irq_mask(struct irq_data *d)
+{
+ unsigned int irq = d->irq;
+
+ if ((irq >= MCFINT_VECBASE) && (irq <= MCFINT_VECMAX)) {
+ u32 v;
+ irq -= MCFINT_VECBASE;
+ v = 0x8 << intc_irqmap[irq].index;
+ writel(v, MCF_MBAR + intc_irqmap[irq].icr);
+ }
+}
+
+static void intc_irq_unmask(struct irq_data *d)
+{
+ unsigned int irq = d->irq;
+
+ if ((irq >= MCFINT_VECBASE) && (irq <= MCFINT_VECMAX)) {
+ u32 v;
+ irq -= MCFINT_VECBASE;
+ v = 0xd << intc_irqmap[irq].index;
+ writel(v, MCF_MBAR + intc_irqmap[irq].icr);
+ }
+}
+
+static void intc_irq_ack(struct irq_data *d)
+{
+ unsigned int irq = d->irq;
+
+ /* Only external interrupts are acked */
+ if ((irq >= MCFINT_VECBASE) && (irq <= MCFINT_VECMAX)) {
+ irq -= MCFINT_VECBASE;
+ if (intc_irqmap[irq].ack) {
+ u32 v;
+ v = readl(MCF_MBAR + intc_irqmap[irq].icr);
+ v &= (0x7 << intc_irqmap[irq].index);
+ v |= (0x8 << intc_irqmap[irq].index);
+ writel(v, MCF_MBAR + intc_irqmap[irq].icr);
+ }
+ }
+}
+
+static int intc_irq_set_type(struct irq_data *d, unsigned int type)
+{
+ unsigned int irq = d->irq;
+
+ if ((irq >= MCFINT_VECBASE) && (irq <= MCFINT_VECMAX)) {
+ irq -= MCFINT_VECBASE;
+ if (intc_irqmap[irq].ack) {
+ u32 v;
+ v = readl(MCF_MBAR + MCFSIM_PITR);
+ if (type == IRQ_TYPE_EDGE_FALLING)
+ v &= ~(0x1 << (32 - irq));
+ else
+ v |= (0x1 << (32 - irq));
+ writel(v, MCF_MBAR + MCFSIM_PITR);
+ }
+ }
+ return 0;
+}
+
+/*
+ * Simple flow handler to deal with the external edge triggered interrupts.
+ * We need to be careful with the masking/acking due to the side effects
+ * of masking an interrupt.
+ */
+static void intc_external_irq(unsigned int irq, struct irq_desc *desc)
+{
+ irq_desc_get_chip(desc)->irq_ack(&desc->irq_data);
+ handle_simple_irq(irq, desc);
+}
+
+static struct irq_chip intc_irq_chip = {
+ .name = "CF-INTC",
+ .irq_mask = intc_irq_mask,
+ .irq_unmask = intc_irq_unmask,
+ .irq_mask_ack = intc_irq_mask,
+ .irq_ack = intc_irq_ack,
+ .irq_set_type = intc_irq_set_type,
+};
+
+void __init init_IRQ(void)
+{
+ int irq, edge;
+
+ /* Mask all interrupt sources */
+ writel(0x88888888, MCF_MBAR + MCFSIM_ICR1);
+ writel(0x88888888, MCF_MBAR + MCFSIM_ICR2);
+ writel(0x88888888, MCF_MBAR + MCFSIM_ICR3);
+ writel(0x88888888, MCF_MBAR + MCFSIM_ICR4);
+
+ for (irq = 0; (irq < NR_IRQS); irq++) {
+ irq_set_chip(irq, &intc_irq_chip);
+ edge = 0;
+ if ((irq >= MCFINT_VECBASE) && (irq <= MCFINT_VECMAX))
+ edge = intc_irqmap[irq - MCFINT_VECBASE].ack;
+ if (edge) {
+ irq_set_irq_type(irq, IRQ_TYPE_EDGE_RISING);
+ irq_set_handler(irq, intc_external_irq);
+ } else {
+ irq_set_irq_type(irq, IRQ_TYPE_LEVEL_HIGH);
+ irq_set_handler(irq, handle_level_irq);
+ }
+ }
+}
+
--- /dev/null
+/***************************************************************************/
+
+/*
+ * linux/arch/m68knommu/platform/5272/config.c
+ *
+ * Copyright (C) 1999-2002, Greg Ungerer (gerg@snapgear.com)
+ * Copyright (C) 2001-2002, SnapGear Inc. (www.snapgear.com)
+ */
+
+/***************************************************************************/
+
+#include <linux/kernel.h>
+#include <linux/param.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/phy.h>
+#include <linux/phy_fixed.h>
+#include <asm/machdep.h>
+#include <asm/coldfire.h>
+#include <asm/mcfsim.h>
+#include <asm/mcfuart.h>
+#include <asm/mcfgpio.h>
+
+/***************************************************************************/
+
+/*
+ * Some platforms need software versions of the GPIO data registers.
+ */
+unsigned short ppdata;
+unsigned char ledbank = 0xff;
+
+/***************************************************************************/
+
+struct mcf_gpio_chip mcf_gpio_chips[] = {
+ MCFGPS(PA, 0, 16, MCFSIM_PADDR, MCFSIM_PADAT, MCFSIM_PADAT),
+ MCFGPS(PB, 16, 16, MCFSIM_PBDDR, MCFSIM_PBDAT, MCFSIM_PBDAT),
+ MCFGPS(Pc, 32, 16, MCFSIM_PCDDR, MCFSIM_PCDAT, MCFSIM_PCDAT),
+};
+
+unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips);
+
+/***************************************************************************/
+
+static void __init m5272_uarts_init(void)
+{
+ u32 v;
+
+ /* 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 m5272_cpu_reset(void)
+{
+ local_irq_disable();
+ /* Set watchdog to reset, and enabled */
+ __raw_writew(0, MCF_MBAR + MCFSIM_WIRR);
+ __raw_writew(1, MCF_MBAR + MCFSIM_WRRR);
+ __raw_writew(0, MCF_MBAR + MCFSIM_WCR);
+ for (;;)
+ /* wait for watchdog to timeout */;
+}
+
+/***************************************************************************/
+
+void __init config_BSP(char *commandp, int size)
+{
+#if defined (CONFIG_MOD5272)
+ volatile unsigned char *pivrp;
+
+ /* Set base of device vectors to be 64 */
+ pivrp = (volatile unsigned char *) (MCF_MBAR + MCFSIM_PIVR);
+ *pivrp = 0x40;
+#endif
+
+#if defined(CONFIG_NETtel) || defined(CONFIG_SCALES)
+ /* Copy command line from FLASH to local buffer... */
+ memcpy(commandp, (char *) 0xf0004000, size);
+ commandp[size-1] = 0;
+#elif defined(CONFIG_CANCam)
+ /* Copy command line from FLASH to local buffer... */
+ memcpy(commandp, (char *) 0xf0010000, size);
+ commandp[size-1] = 0;
+#endif
+
+ mach_reset = m5272_cpu_reset;
+ mach_sched_init = hw_timer_init;
+}
+
+/***************************************************************************/
+
+/*
+ * Some 5272 based boards have the FEC ethernet diectly connected to
+ * an ethernet switch. In this case we need to use the fixed phy type,
+ * and we need to declare it early in boot.
+ */
+static struct fixed_phy_status nettel_fixed_phy_status __initdata = {
+ .link = 1,
+ .speed = 100,
+ .duplex = 0,
+};
+
+/***************************************************************************/
+
+static int __init init_BSP(void)
+{
+ m5272_uarts_init();
+ fixed_phy_add(PHY_POLL, 0, &nettel_fixed_phy_status);
+ return 0;
+}
+
+arch_initcall(init_BSP);
+
+/***************************************************************************/
projects / mirror_ubuntu-artful-kernel.git / commitdiff