diff options
Diffstat (limited to 'arch/m68k/platform/coldfire')
-rw-r--r-- | arch/m68k/platform/coldfire/Makefile | 28 | ||||
-rw-r--r-- | arch/m68k/platform/coldfire/firebee.c | 86 | ||||
-rw-r--r-- | arch/m68k/platform/coldfire/gpio.c | 4 | ||||
-rw-r--r-- | arch/m68k/platform/coldfire/intc-5249.c | 61 | ||||
-rw-r--r-- | arch/m68k/platform/coldfire/intc-5272.c | 185 | ||||
-rw-r--r-- | arch/m68k/platform/coldfire/m5206.c | 47 | ||||
-rw-r--r-- | arch/m68k/platform/coldfire/m520x.c | 103 | ||||
-rw-r--r-- | arch/m68k/platform/coldfire/m523x.c | 88 | ||||
-rw-r--r-- | arch/m68k/platform/coldfire/m5249.c | 118 | ||||
-rw-r--r-- | arch/m68k/platform/coldfire/m5272.c | 121 | ||||
-rw-r--r-- | arch/m68k/platform/coldfire/m527x.c | 141 | ||||
-rw-r--r-- | arch/m68k/platform/coldfire/m528x.c | 137 | ||||
-rw-r--r-- | arch/m68k/platform/coldfire/m5307.c | 67 | ||||
-rw-r--r-- | arch/m68k/platform/coldfire/m532x.c | 476 | ||||
-rw-r--r-- | arch/m68k/platform/coldfire/m5407.c | 42 | ||||
-rw-r--r-- | arch/m68k/platform/coldfire/m54xx.c | 112 | ||||
-rw-r--r-- | arch/m68k/platform/coldfire/nettel.c | 153 |
17 files changed, 1957 insertions, 12 deletions
diff --git a/arch/m68k/platform/coldfire/Makefile b/arch/m68k/platform/coldfire/Makefile index a0815c61dec1..76d389d9a84e 100644 --- a/arch/m68k/platform/coldfire/Makefile +++ b/arch/m68k/platform/coldfire/Makefile @@ -15,18 +15,22 @@ asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1 obj-$(CONFIG_COLDFIRE) += cache.o clk.o device.o dma.o entry.o vectors.o -obj-$(CONFIG_M5206) += timers.o intc.o reset.o -obj-$(CONFIG_M5206e) += timers.o intc.o reset.o -obj-$(CONFIG_M520x) += pit.o intc-simr.o reset.o -obj-$(CONFIG_M523x) += pit.o dma_timer.o intc-2.o reset.o -obj-$(CONFIG_M5249) += timers.o intc.o reset.o -obj-$(CONFIG_M527x) += pit.o intc-2.o reset.o -obj-$(CONFIG_M5272) += timers.o -obj-$(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 -obj-$(CONFIG_M5407) += timers.o intc.o reset.o -obj-$(CONFIG_M54xx) += sltimers.o intc-2.o +obj-$(CONFIG_M5206) += m5206.o timers.o intc.o reset.o +obj-$(CONFIG_M5206e) += m5206.o timers.o intc.o reset.o +obj-$(CONFIG_M520x) += m520x.o pit.o intc-simr.o reset.o +obj-$(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) += m527x.o pit.o intc-2.o reset.o +obj-$(CONFIG_M5272) += m5272.o intc-5272.o timers.o +obj-$(CONFIG_M528x) += m528x.o pit.o intc-2.o reset.o +obj-$(CONFIG_M5307) += m5307.o timers.o intc.o reset.o +obj-$(CONFIG_M532x) += m532x.o timers.o intc-simr.o reset.o +obj-$(CONFIG_M5407) += m5407.o timers.o intc.o reset.o +obj-$(CONFIG_M54xx) += m54xx.o sltimers.o intc-2.o + +obj-$(CONFIG_NETtel) += nettel.o +obj-$(CONFIG_CLEOPATRA) += nettel.o +obj-$(CONFIG_FIREBEE) += firebee.o obj-y += pinmux.o gpio.o extra-y := head.o diff --git a/arch/m68k/platform/coldfire/firebee.c b/arch/m68k/platform/coldfire/firebee.c new file mode 100644 index 000000000000..46d50534f981 --- /dev/null +++ b/arch/m68k/platform/coldfire/firebee.c @@ -0,0 +1,86 @@ +/***************************************************************************/ + +/* + * firebee.c -- extra startup code support for the FireBee boards + * + * Copyright (C) 2011, Greg Ungerer (gerg@snapgear.com) + */ + +/***************************************************************************/ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/platform_device.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> +#include <asm/coldfire.h> +#include <asm/mcfsim.h> + +/***************************************************************************/ + +/* + * 8MB of NOR flash fitted to the FireBee board. + */ +#define FLASH_PHYS_ADDR 0xe0000000 /* Physical address of flash */ +#define FLASH_PHYS_SIZE 0x00800000 /* Size of flash */ + +#define PART_BOOT_START 0x00000000 /* Start at bottom of flash */ +#define PART_BOOT_SIZE 0x00040000 /* 256k in size */ +#define PART_IMAGE_START 0x00040000 /* Start after boot loader */ +#define PART_IMAGE_SIZE 0x006c0000 /* Most of flash */ +#define PART_FPGA_START 0x00700000 /* Start at offset 7MB */ +#define PART_FPGA_SIZE 0x00100000 /* 1MB in size */ + +static struct mtd_partition firebee_flash_parts[] = { + { + .name = "dBUG", + .offset = PART_BOOT_START, + .size = PART_BOOT_SIZE, + }, + { + .name = "FPGA", + .offset = PART_FPGA_START, + .size = PART_FPGA_SIZE, + }, + { + .name = "image", + .offset = PART_IMAGE_START, + .size = PART_IMAGE_SIZE, + }, +}; + +static struct physmap_flash_data firebee_flash_data = { + .width = 2, + .nr_parts = ARRAY_SIZE(firebee_flash_parts), + .parts = firebee_flash_parts, +}; + +static struct resource firebee_flash_resource = { + .start = FLASH_PHYS_ADDR, + .end = FLASH_PHYS_ADDR + FLASH_PHYS_SIZE, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device firebee_flash = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &firebee_flash_data, + }, + .num_resources = 1, + .resource = &firebee_flash_resource, +}; + +/***************************************************************************/ + +static int __init init_firebee(void) +{ + platform_device_register(&firebee_flash); + return 0; +} + +arch_initcall(init_firebee); + +/***************************************************************************/ diff --git a/arch/m68k/platform/coldfire/gpio.c b/arch/m68k/platform/coldfire/gpio.c index 292a1a5a2d7c..4c8c42450a4e 100644 --- a/arch/m68k/platform/coldfire/gpio.c +++ b/arch/m68k/platform/coldfire/gpio.c @@ -122,6 +122,10 @@ struct bus_type mcf_gpio_subsys = { static int __init mcf_gpio_sysinit(void) { + unsigned int i = 0; + + while (i < mcf_gpio_chips_size) + gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]); return subsys_system_register(&mcf_gpio_subsys, NULL); } diff --git a/arch/m68k/platform/coldfire/intc-5249.c b/arch/m68k/platform/coldfire/intc-5249.c new file mode 100644 index 000000000000..f343bf7bf5b0 --- /dev/null +++ b/arch/m68k/platform/coldfire/intc-5249.c @@ -0,0 +1,61 @@ +/* + * intc2.c -- support for the 2nd INTC controller of the 5249 + * + * (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/irq.h> +#include <linux/io.h> +#include <asm/coldfire.h> +#include <asm/mcfsim.h> + +static void intc2_irq_gpio_mask(struct irq_data *d) +{ + u32 imr; + imr = readl(MCF_MBAR2 + MCFSIM2_GPIOINTENABLE); + imr &= ~(0x1 << (d->irq - MCFINTC2_GPIOIRQ0)); + writel(imr, MCF_MBAR2 + MCFSIM2_GPIOINTENABLE); +} + +static void intc2_irq_gpio_unmask(struct irq_data *d) +{ + u32 imr; + imr = readl(MCF_MBAR2 + MCFSIM2_GPIOINTENABLE); + imr |= (0x1 << (d->irq - MCFINTC2_GPIOIRQ0)); + writel(imr, MCF_MBAR2 + MCFSIM2_GPIOINTENABLE); +} + +static void intc2_irq_gpio_ack(struct irq_data *d) +{ + writel(0x1 << (d->irq - MCFINTC2_GPIOIRQ0), MCF_MBAR2 + MCFSIM2_GPIOINTCLEAR); +} + +static struct irq_chip intc2_irq_gpio_chip = { + .name = "CF-INTC2", + .irq_mask = intc2_irq_gpio_mask, + .irq_unmask = intc2_irq_gpio_unmask, + .irq_ack = intc2_irq_gpio_ack, +}; + +static int __init mcf_intc2_init(void) +{ + int irq; + + /* GPIO interrupt sources */ + for (irq = MCFINTC2_GPIOIRQ0; (irq <= MCFINTC2_GPIOIRQ7); irq++) { + irq_set_chip(irq, &intc2_irq_gpio_chip); + irq_set_handler(irq, handle_edge_irq); + } + + return 0; +} + +arch_initcall(mcf_intc2_init); diff --git a/arch/m68k/platform/coldfire/intc-5272.c b/arch/m68k/platform/coldfire/intc-5272.c new file mode 100644 index 000000000000..7160e618b0a9 --- /dev/null +++ b/arch/m68k/platform/coldfire/intc-5272.c @@ -0,0 +1,185 @@ +/* + * 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); + } + } +} + diff --git a/arch/m68k/platform/coldfire/m5206.c b/arch/m68k/platform/coldfire/m5206.c new file mode 100644 index 000000000000..a8b81df653f0 --- /dev/null +++ b/arch/m68k/platform/coldfire/m5206.c @@ -0,0 +1,47 @@ +/***************************************************************************/ + +/* + * linux/arch/m68knommu/platform/5206/config.c + * + * Copyright (C) 1999-2002, Greg Ungerer (gerg@snapgear.com) + * Copyright (C) 2000-2001, Lineo Inc. (www.lineo.com) + */ + +/***************************************************************************/ + +#include <linux/kernel.h> +#include <linux/param.h> +#include <linux/init.h> +#include <linux/io.h> +#include <asm/machdep.h> +#include <asm/coldfire.h> +#include <asm/mcfsim.h> +#include <asm/mcfgpio.h> + +/***************************************************************************/ + +struct mcf_gpio_chip mcf_gpio_chips[] = { + MCFGPS(PP, 0, 8, MCFSIM_PADDR, MCFSIM_PADAT, MCFSIM_PADAT), +}; + +unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips); + +/***************************************************************************/ + +void __init config_BSP(char *commandp, int size) +{ +#if defined(CONFIG_NETtel) + /* Copy command line from FLASH to local buffer... */ + memcpy(commandp, (char *) 0xf0004000, size); + commandp[size-1] = 0; +#endif /* CONFIG_NETtel */ + + mach_sched_init = hw_timer_init; + + /* Only support the external interrupts on their primary level */ + mcf_mapirq2imr(25, MCFINTC_EINT1); + mcf_mapirq2imr(28, MCFINTC_EINT4); + mcf_mapirq2imr(31, MCFINTC_EINT7); +} + +/***************************************************************************/ diff --git a/arch/m68k/platform/coldfire/m520x.c b/arch/m68k/platform/coldfire/m520x.c new file mode 100644 index 000000000000..3264b8883d5f --- /dev/null +++ b/arch/m68k/platform/coldfire/m520x.c @@ -0,0 +1,103 @@ +/***************************************************************************/ + +/* + * linux/arch/m68knommu/platform/520x/config.c + * + * Copyright (C) 2005, Freescale (www.freescale.com) + * Copyright (C) 2005, Intec Automation (mike@steroidmicros.com) + * Copyright (C) 1999-2007, Greg Ungerer (gerg@snapgear.com) + * Copyright (C) 2001-2003, SnapGear Inc. (www.snapgear.com) + */ + +/***************************************************************************/ + +#include <linux/kernel.h> +#include <linux/param.h> +#include <linux/init.h> +#include <linux/io.h> +#include <asm/machdep.h> +#include <asm/coldfire.h> +#include <asm/mcfsim.h> +#include <asm/mcfuart.h> +#include <asm/mcfgpio.h> + +/***************************************************************************/ + +struct mcf_gpio_chip mcf_gpio_chips[] = { + MCFGPS(PIRQ, 0, 8, MCFEPORT_EPDDR, MCFEPORT_EPDR, MCFEPORT_EPPDR), + MCFGPF(CS, 9, 3), + MCFGPF(FECI2C, 16, 4), + MCFGPF(QSPI, 24, 4), + MCFGPF(TIMER, 32, 4), + MCFGPF(UART, 40, 8), + MCFGPF(FECH, 48, 8), + MCFGPF(FECL, 56, 8), +}; + +unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips); + +/***************************************************************************/ + +#if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) + +static void __init m520x_qspi_init(void) +{ + u16 par; + /* setup Port QS for QSPI with gpio CS control */ + writeb(0x3f, MCF_GPIO_PAR_QSPI); + /* make U1CTS and U2RTS gpio for cs_control */ + par = readw(MCF_GPIO_PAR_UART); + par &= 0x00ff; + writew(par, MCF_GPIO_PAR_UART); +} + +#endif /* IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) */ + +/***************************************************************************/ + +static void __init m520x_uarts_init(void) +{ + u16 par; + u8 par2; + + /* UART0 and UART1 GPIO pin setup */ + par = readw(MCF_GPIO_PAR_UART); + par |= MCF_GPIO_PAR_UART_PAR_UTXD0 | MCF_GPIO_PAR_UART_PAR_URXD0; + par |= MCF_GPIO_PAR_UART_PAR_UTXD1 | MCF_GPIO_PAR_UART_PAR_URXD1; + writew(par, MCF_GPIO_PAR_UART); + + /* UART1 GPIO pin setup */ + par2 = readb(MCF_GPIO_PAR_FECI2C); + par2 &= ~0x0F; + par2 |= MCF_GPIO_PAR_FECI2C_PAR_SCL_UTXD2 | + MCF_GPIO_PAR_FECI2C_PAR_SDA_URXD2; + writeb(par2, MCF_GPIO_PAR_FECI2C); +} + +/***************************************************************************/ + +static void __init m520x_fec_init(void) +{ + u8 v; + + /* Set multi-function pins to ethernet mode */ + v = readb(MCF_GPIO_PAR_FEC); + writeb(v | 0xf0, MCF_GPIO_PAR_FEC); + + v = readb(MCF_GPIO_PAR_FECI2C); + writeb(v | 0x0f, MCF_GPIO_PAR_FECI2C); +} + +/***************************************************************************/ + +void __init config_BSP(char *commandp, int size) +{ + mach_sched_init = hw_timer_init; + m520x_uarts_init(); + m520x_fec_init(); +#if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) + m520x_qspi_init(); +#endif +} + +/***************************************************************************/ diff --git a/arch/m68k/platform/coldfire/m523x.c b/arch/m68k/platform/coldfire/m523x.c new file mode 100644 index 000000000000..5d57a4249412 --- /dev/null +++ b/arch/m68k/platform/coldfire/m523x.c @@ -0,0 +1,88 @@ +/***************************************************************************/ + +/* + * linux/arch/m68knommu/platform/523x/config.c + * + * Sub-architcture dependent initialization code for the Freescale + * 523x CPUs. + * + * Copyright (C) 1999-2005, Greg Ungerer (gerg@snapgear.com) + * Copyright (C) 2001-2003, SnapGear Inc. (www.snapgear.com) + */ + +/***************************************************************************/ + +#include <linux/kernel.h> +#include <linux/param.h> +#include <linux/init.h> +#include <linux/io.h> +#include <asm/machdep.h> +#include <asm/coldfire.h> +#include <asm/mcfsim.h> +#include <asm/mcfgpio.h> + +/***************************************************************************/ + +struct mcf_gpio_chip mcf_gpio_chips[] = { + MCFGPS(PIRQ, 1, 7, MCFEPORT_EPDDR, MCFEPORT_EPDR, MCFEPORT_EPPDR), + MCFGPF(ADDR, 13, 3), + MCFGPF(DATAH, 16, 8), + MCFGPF(DATAL, 24, 8), + MCFGPF(BUSCTL, 32, 8), + MCFGPF(BS, 40, 4), + MCFGPF(CS, 49, 7), + MCFGPF(SDRAM, 56, 6), + MCFGPF(FECI2C, 64, 4), + MCFGPF(UARTH, 72, 2), + MCFGPF(UARTL, 80, 8), + MCFGPF(QSPI, 88, 5), + MCFGPF(TIMER, 96, 8), + MCFGPF(ETPU, 104, 3), +}; + +unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips); + +/***************************************************************************/ + +#if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) + +static void __init m523x_qspi_init(void) +{ + u16 par; + + /* setup QSPS pins for QSPI with gpio CS control */ + writeb(0x1f, MCFGPIO_PAR_QSPI); + /* and CS2 & CS3 as gpio */ + par = readw(MCFGPIO_PAR_TIMER); + par &= 0x3f3f; + writew(par, MCFGPIO_PAR_TIMER); +} + +#endif /* IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) */ + +/***************************************************************************/ + +static void __init m523x_fec_init(void) +{ + u16 par; + u8 v; + + /* Set multi-function pins to ethernet use */ + par = readw(MCF_IPSBAR + 0x100082); + writew(par | 0xf00, MCF_IPSBAR + 0x100082); + v = readb(MCF_IPSBAR + 0x100078); + writeb(v | 0xc0, MCF_IPSBAR + 0x100078); +} + +/***************************************************************************/ + +void __init config_BSP(char *commandp, int size) +{ + mach_sched_init = hw_timer_init; + m523x_fec_init(); +#if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) + m523x_qspi_init(); +#endif +} + +/***************************************************************************/ diff --git a/arch/m68k/platform/coldfire/m5249.c b/arch/m68k/platform/coldfire/m5249.c new file mode 100644 index 000000000000..fdfa1edfd1ac --- /dev/null +++ b/arch/m68k/platform/coldfire/m5249.c @@ -0,0 +1,118 @@ +/***************************************************************************/ + +/* + * linux/arch/m68knommu/platform/5249/config.c + * + * Copyright (C) 2002, Greg Ungerer (gerg@snapgear.com) + */ + +/***************************************************************************/ + +#include <linux/kernel.h> +#include <linux/param.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/platform_device.h> +#include <asm/machdep.h> +#include <asm/coldfire.h> +#include <asm/mcfsim.h> +#include <asm/mcfgpio.h> + +/***************************************************************************/ + +struct mcf_gpio_chip mcf_gpio_chips[] = { + MCFGPS(GPIO0, 0, 32, MCFSIM2_GPIOENABLE, MCFSIM2_GPIOWRITE, MCFSIM2_GPIOREAD), + MCFGPS(GPIO1, 32, 32, MCFSIM2_GPIO1ENABLE, MCFSIM2_GPIO1WRITE, MCFSIM2_GPIO1READ), +}; + +unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips); + +/***************************************************************************/ + +#ifdef CONFIG_M5249C3 + +static struct resource m5249_smc91x_resources[] = { + { + .start = 0xe0000300, + .end = 0xe0000300 + 0x100, + .flags = IORESOURCE_MEM, + }, + { + .start = MCFINTC2_GPIOIRQ6, + .end = MCFINTC2_GPIOIRQ6, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device m5249_smc91x = { + .name = "smc91x", + .id = 0, + .num_resources = ARRAY_SIZE(m5249_smc91x_resources), + .resource = m5249_smc91x_resources, +}; + +#endif /* CONFIG_M5249C3 */ + +static struct platform_device *m5249_devices[] __initdata = { +#ifdef CONFIG_M5249C3 + &m5249_smc91x, +#endif +}; + +/***************************************************************************/ + +#if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) + +static void __init m5249_qspi_init(void) +{ + /* QSPI irq setup */ + writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL4 | MCFSIM_ICR_PRI0, + MCF_MBAR + MCFSIM_QSPIICR); + mcf_mapirq2imr(MCF_IRQ_QSPI, MCFINTC_QSPI); +} + +#endif /* IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) */ + +/***************************************************************************/ + +#ifdef CONFIG_M5249C3 + +static void __init m5249_smc91x_init(void) +{ + u32 gpio; + + /* Set the GPIO line as interrupt source for smc91x device */ + gpio = readl(MCF_MBAR2 + MCFSIM2_GPIOINTENABLE); + writel(gpio | 0x40, MCF_MBAR2 + MCFSIM2_GPIOINTENABLE); + + gpio = readl(MCF_MBAR2 + MCFSIM2_INTLEVEL5); + writel(gpio | 0x04000000, MCF_MBAR2 + MCFSIM2_INTLEVEL5); +} + +#endif /* CONFIG_M5249C3 */ + +/***************************************************************************/ + +void __init config_BSP(char *commandp, int size) +{ + mach_sched_init = hw_timer_init; + +#ifdef CONFIG_M5249C3 + m5249_smc91x_init(); +#endif +#if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) + m5249_qspi_init(); +#endif +} + +/***************************************************************************/ + +static int __init init_BSP(void) +{ + platform_add_devices(m5249_devices, ARRAY_SIZE(m5249_devices)); + return 0; +} + +arch_initcall(init_BSP); + +/***************************************************************************/ diff --git a/arch/m68k/platform/coldfire/m5272.c b/arch/m68k/platform/coldfire/m5272.c new file mode 100644 index 000000000000..43e36060da18 --- /dev/null +++ b/arch/m68k/platform/coldfire/m5272.c @@ -0,0 +1,121 @@ +/***************************************************************************/ + +/* + * 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); + +/***************************************************************************/ diff --git a/arch/m68k/platform/coldfire/m527x.c b/arch/m68k/platform/coldfire/m527x.c new file mode 100644 index 000000000000..9b0b66aabd1b --- /dev/null +++ b/arch/m68k/platform/coldfire/m527x.c @@ -0,0 +1,141 @@ +/***************************************************************************/ + +/* + * linux/arch/m68knommu/platform/527x/config.c + * + * Sub-architcture dependent initialization code for the Freescale + * 5270/5271 CPUs. + * + * Copyright (C) 1999-2004, Greg Ungerer (gerg@snapgear.com) + * Copyright (C) 2001-2004, SnapGear Inc. (www.snapgear.com) + */ + +/***************************************************************************/ + +#include <linux/kernel.h> +#include <linux/param.h> +#include <linux/init.h> +#include <linux/io.h> +#include <asm/machdep.h> +#include <asm/coldfire.h> +#include <asm/mcfsim.h> +#include <asm/mcfuart.h> +#include <asm/mcfgpio.h> + +/***************************************************************************/ + +struct mcf_gpio_chip mcf_gpio_chips[] = { +#if defined(CONFIG_M5271) + MCFGPS(PIRQ, 1, 7, MCFEPORT_EPDDR, MCFEPORT_EPDR, MCFEPORT_EPPDR), + MCFGPF(ADDR, 13, 3), + MCFGPF(DATAH, 16, 8), + MCFGPF(DATAL, 24, 8), + MCFGPF(BUSCTL, 32, 8), + MCFGPF(BS, 40, 4), + MCFGPF(CS, 49, 7), + MCFGPF(SDRAM, 56, 6), + MCFGPF(FECI2C, 64, 4), + MCFGPF(UARTH, 72, 2), + MCFGPF(UARTL, 80, 8), + MCFGPF(QSPI, 88, 5), + MCFGPF(TIMER, 96, 8), +#elif defined(CONFIG_M5275) + MCFGPS(PIRQ, 1, 7, MCFEPORT_EPDDR, MCFEPORT_EPDR, MCFEPORT_EPPDR), + MCFGPF(BUSCTL, 8, 8), + MCFGPF(ADDR, 21, 3), + MCFGPF(CS, 25, 7), + MCFGPF(FEC0H, 32, 8), + MCFGPF(FEC0L, 40, 8), + MCFGPF(FECI2C, 48, 6), + MCFGPF(QSPI, 56, 7), + MCFGPF(SDRAM, 64, 8), + MCFGPF(TIMERH, 72, 4), + MCFGPF(TIMERL, 80, 4), + MCFGPF(UARTL, 88, 8), + MCFGPF(FEC1H, 96, 8), + MCFGPF(FEC1L, 104, 8), + MCFGPF(BS, 114, 2), + MCFGPF(IRQ, 121, 7), + MCFGPF(USBH, 128, 1), + MCFGPF(USBL, 136, 8), + MCFGPF(UARTH, 144, 4), +#endif +}; + +unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips); + +/***************************************************************************/ + +#if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) + +static void __init m527x_qspi_init(void) +{ +#if defined(CONFIG_M5271) + u16 par; + + /* setup QSPS pins for QSPI with gpio CS control */ + writeb(0x1f, MCFGPIO_PAR_QSPI); + /* and CS2 & CS3 as gpio */ + par = readw(MCFGPIO_PAR_TIMER); + par &= 0x3f3f; + writew(par, MCFGPIO_PAR_TIMER); +#elif defined(CONFIG_M5275) + /* setup QSPS pins for QSPI with gpio CS control */ + writew(0x003e, MCFGPIO_PAR_QSPI); +#endif +} + +#endif /* IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) */ + +/***************************************************************************/ + +static void __init m527x_uarts_init(void) +{ + u16 sepmask; + + /* + * External Pin Mask Setting & Enable External Pin for Interface + */ + sepmask = readw(MCF_IPSBAR + MCF_GPIO_PAR_UART); + sepmask |= UART0_ENABLE_MASK | UART1_ENABLE_MASK | UART2_ENABLE_MASK; + writew(sepmask, MCF_IPSBAR + MCF_GPIO_PAR_UART); +} + +/***************************************************************************/ + +static void __init m527x_fec_init(void) +{ + u16 par; + u8 v; + + /* Set multi-function pins to ethernet mode for fec0 */ +#if defined(CONFIG_M5271) + v = readb(MCF_IPSBAR + 0x100047); + writeb(v | 0xf0, MCF_IPSBAR + 0x100047); +#else + par = readw(MCF_IPSBAR + 0x100082); + writew(par | 0xf00, MCF_IPSBAR + 0x100082); + v = readb(MCF_IPSBAR + 0x100078); + writeb(v | 0xc0, MCF_IPSBAR + 0x100078); + + /* Set multi-function pins to ethernet mode for fec1 */ + par = readw(MCF_IPSBAR + 0x100082); + writew(par | 0xa0, MCF_IPSBAR + 0x100082); + v = readb(MCF_IPSBAR + 0x100079); + writeb(v | 0xc0, MCF_IPSBAR + 0x100079); +#endif +} + +/***************************************************************************/ + +void __init config_BSP(char *commandp, int size) +{ + mach_sched_init = hw_timer_init; + m527x_uarts_init(); + m527x_fec_init(); +#if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) + m527x_qspi_init(); +#endif +} + +/***************************************************************************/ diff --git a/arch/m68k/platform/coldfire/m528x.c b/arch/m68k/platform/coldfire/m528x.c new file mode 100644 index 000000000000..7ed1276b29dc --- /dev/null +++ b/arch/m68k/platform/coldfire/m528x.c @@ -0,0 +1,137 @@ +/***************************************************************************/ + +/* + * linux/arch/m68knommu/platform/528x/config.c + * + * Sub-architcture dependent initialization code for the Freescale + * 5280, 5281 and 5282 CPUs. + * + * Copyright (C) 1999-2003, Greg Ungerer (gerg@snapgear.com) + * Copyright (C) 2001-2003, SnapGear Inc. (www.snapgear.com) + */ + +/***************************************************************************/ + +#include <linux/kernel.h> +#include <linux/param.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <asm/machdep.h> +#include <asm/coldfire.h> +#include <asm/mcfsim.h> +#include <asm/mcfuart.h> +#include <asm/mcfgpio.h> + +/***************************************************************************/ + +struct mcf_gpio_chip mcf_gpio_chips[] = { + MCFGPS(NQ, 1, 7, MCFEPORT_EPDDR, MCFEPORT_EPDR, MCFEPORT_EPPDR), + MCFGPS(TA, 8, 4, MCFGPTA_GPTDDR, MCFGPTA_GPTPORT, MCFGPTB_GPTPORT), + MCFGPS(TB, 16, 4, MCFGPTB_GPTDDR, MCFGPTB_GPTPORT, MCFGPTB_GPTPORT), + MCFGPS(QA, 24, 4, MCFQADC_DDRQA, MCFQADC_PORTQA, MCFQADC_PORTQA), + MCFGPS(QB, 32, 4, MCFQADC_DDRQB, MCFQADC_PORTQB, MCFQADC_PORTQB), + MCFGPF(A, 40, 8), + MCFGPF(B, 48, 8), + MCFGPF(C, 56, 8), + MCFGPF(D, 64, 8), + MCFGPF(E, 72, 8), + MCFGPF(F, 80, 8), + MCFGPF(G, 88, 8), + MCFGPF(H, 96, 8), + MCFGPF(J, 104, 8), + MCFGPF(DD, 112, 8), + MCFGPF(EH, 120, 8), + MCFGPF(EL, 128, 8), + MCFGPF(AS, 136, 6), + MCFGPF(QS, 144, 7), + MCFGPF(SD, 152, 6), + MCFGPF(TC, 160, 4), + MCFGPF(TD, 168, 4), + MCFGPF(UA, 176, 4), +}; + +unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips); + +/***************************************************************************/ + +#if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) + +static void __init m528x_qspi_init(void) +{ + /* setup Port QS for QSPI with gpio CS control */ + __raw_writeb(0x07, MCFGPIO_PQSPAR); +} + +#endif /* IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) */ + +/***************************************************************************/ + +static void __init m528x_uarts_init(void) +{ + u8 port; + + /* make sure PUAPAR is set for UART0 and UART1 */ + port = readb(MCF5282_GPIO_PUAPAR); + port |= 0x03 | (0x03 << 2); + writeb(port, MCF5282_GPIO_PUAPAR); +} + +/***************************************************************************/ + +static void __init m528x_fec_init(void) +{ + u16 v16; + + /* Set multi-function pins to ethernet mode for fec0 */ + v16 = readw(MCF_IPSBAR + 0x100056); + writew(v16 | 0xf00, MCF_IPSBAR + 0x100056); + writeb(0xc0, MCF_IPSBAR + 0x100058); +} + +/***************************************************************************/ + +#ifdef CONFIG_WILDFIRE +void wildfire_halt(void) +{ + writeb(0, 0x30000007); + writeb(0x2, 0x30000007); +} +#endif + +#ifdef CONFIG_WILDFIREMOD +void wildfiremod_halt(void) +{ + printk(KERN_INFO "WildFireMod hibernating...\n"); + + /* Set portE.5 to Digital IO */ + MCF5282_GPIO_PEPAR &= ~(1 << (5 * 2)); + + /* Make portE.5 an output */ + MCF5282_GPIO_DDRE |= (1 << 5); + + /* Now toggle portE.5 from low to high */ + MCF5282_GPIO_PORTE &= ~(1 << 5); + MCF5282_GPIO_PORTE |= (1 << 5); + + printk(KERN_EMERG "Failed to hibernate. Halting!\n"); +} +#endif + +void __init config_BSP(char *commandp, int size) +{ +#ifdef CONFIG_WILDFIRE + mach_halt = wildfire_halt; +#endif +#ifdef CONFIG_WILDFIREMOD + mach_halt = wildfiremod_halt; +#endif + mach_sched_init = hw_timer_init; + m528x_uarts_init(); + m528x_fec_init(); +#if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) + m528x_qspi_init(); +#endif +} + +/***************************************************************************/ diff --git a/arch/m68k/platform/coldfire/m5307.c b/arch/m68k/platform/coldfire/m5307.c new file mode 100644 index 000000000000..93b484976ab3 --- /dev/null +++ b/arch/m68k/platform/coldfire/m5307.c @@ -0,0 +1,67 @@ +/***************************************************************************/ + +/* + * linux/arch/m68knommu/platform/5307/config.c + * + * Copyright (C) 1999-2002, Greg Ungerer (gerg@snapgear.com) + * Copyright (C) 2000, Lineo (www.lineo.com) + */ + +/***************************************************************************/ + +#include <linux/kernel.h> +#include <linux/param.h> +#include <linux/init.h> +#include <linux/io.h> +#include <asm/machdep.h> +#include <asm/coldfire.h> +#include <asm/mcfsim.h> +#include <asm/mcfgpio.h> +#include <asm/mcfwdebug.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(PP, 0, 16, MCFSIM_PADDR, MCFSIM_PADAT, MCFSIM_PADAT), +}; + +unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips); + +/***************************************************************************/ + +void __init config_BSP(char *commandp, int size) +{ +#if defined(CONFIG_NETtel) || \ + defined(CONFIG_SECUREEDGEMP3) || defined(CONFIG_CLEOPATRA) + /* Copy command line from FLASH to local buffer... */ + memcpy(commandp, (char *) 0xf0004000, size); + commandp[size-1] = 0; +#endif + + mach_sched_init = hw_timer_init; + + /* Only support the external interrupts on their primary level */ + mcf_mapirq2imr(25, MCFINTC_EINT1); + mcf_mapirq2imr(27, MCFINTC_EINT3); + mcf_mapirq2imr(29, MCFINTC_EINT5); + mcf_mapirq2imr(31, MCFINTC_EINT7); + +#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 + * incompatible with the memory protection option. + */ + wdebug(MCFDEBUG_CSR, MCFDEBUG_CSR_PSTCLK); +#endif +} + +/***************************************************************************/ diff --git a/arch/m68k/platform/coldfire/m532x.c b/arch/m68k/platform/coldfire/m532x.c new file mode 100644 index 000000000000..8e9476d59a65 --- /dev/null +++ b/arch/m68k/platform/coldfire/m532x.c @@ -0,0 +1,476 @@ +/***************************************************************************/ + +/* + * linux/arch/m68knommu/platform/532x/config.c + * + * Copyright (C) 1999-2002, Greg Ungerer (gerg@snapgear.com) + * Copyright (C) 2000, Lineo (www.lineo.com) + * Yaroslav Vinogradov yaroslav.vinogradov@freescale.com + * Copyright Freescale Semiconductor, Inc 2006 + * Copyright (c) 2006, emlix, Sebastian Hess <sh@emlix.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +/***************************************************************************/ + +#include <linux/kernel.h> +#include <linux/param.h> +#include <linux/init.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/mcfgpio.h> +#include <asm/mcfwdebug.h> + +/***************************************************************************/ + +struct mcf_gpio_chip mcf_gpio_chips[] = { + MCFGPS(PIRQ, 0, 8, MCFEPORT_EPDDR, MCFEPORT_EPDR, MCFEPORT_EPPDR), + MCFGPF(FECH, 8, 8), + MCFGPF(FECL, 16, 8), + MCFGPF(SSI, 24, 5), + MCFGPF(BUSCTL, 32, 4), + MCFGPF(BE, 40, 4), + MCFGPF(CS, 49, 5), + MCFGPF(PWM, 58, 4), + MCFGPF(FECI2C, 64, 4), + MCFGPF(UART, 72, 8), + MCFGPF(QSPI, 80, 6), + MCFGPF(TIMER, 88, 4), + MCFGPF(LCDDATAH, 96, 2), + MCFGPF(LCDDATAM, 104, 8), + MCFGPF(LCDDATAL, 112, 8), + MCFGPF(LCDCTLH, 120, 1), + MCFGPF(LCDCTLL, 128, 8), +}; + +unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips); + +/***************************************************************************/ + +#if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) + +static void __init m532x_qspi_init(void) +{ + /* setup QSPS pins for QSPI with gpio CS control */ + writew(0x01f0, MCF_GPIO_PAR_QSPI); +} + +#endif /* IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) */ + +/***************************************************************************/ + +static void __init m532x_uarts_init(void) +{ + /* UART GPIO initialization */ + MCF_GPIO_PAR_UART |= 0x0FFF; +} + +/***************************************************************************/ + +static void __init m532x_fec_init(void) +{ + /* Set multi-function pins to ethernet mode for fec0 */ + MCF_GPIO_PAR_FECI2C |= (MCF_GPIO_PAR_FECI2C_PAR_MDC_EMDC | + MCF_GPIO_PAR_FECI2C_PAR_MDIO_EMDIO); + MCF_GPIO_PAR_FEC = (MCF_GPIO_PAR_FEC_PAR_FEC_7W_FEC | + MCF_GPIO_PAR_FEC_PAR_FEC_MII_FEC); +} + +/***************************************************************************/ + +void __init config_BSP(char *commandp, int size) +{ +#if !defined(CONFIG_BOOTPARAM) + /* Copy command line from FLASH to local buffer... */ + memcpy(commandp, (char *) 0x4000, 4); + if(strncmp(commandp, "kcl ", 4) == 0){ + memcpy(commandp, (char *) 0x4004, size); + commandp[size-1] = 0; + } else { + memset(commandp, 0, size); + } +#endif + + mach_sched_init = hw_timer_init; + m532x_uarts_init(); + m532x_fec_init(); +#if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) + m532x_qspi_init(); +#endif + +#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 + * incompatible with the memory protection option. + */ + wdebug(MCFDEBUG_CSR, MCFDEBUG_CSR_PSTCLK); +#endif +} + +/***************************************************************************/ +/* Board initialization */ +/***************************************************************************/ +/* + * PLL min/max specifications + */ +#define MAX_FVCO 500000 /* KHz */ +#define MAX_FSYS 80000 /* KHz */ +#define MIN_FSYS 58333 /* KHz */ +#define FREF 16000 /* KHz */ + + +#define MAX_MFD 135 /* Multiplier */ +#define MIN_MFD 88 /* Multiplier */ +#define BUSDIV 6 /* Divider */ + +/* + * Low Power Divider specifications + */ +#define MIN_LPD (1 << 0) /* Divider (not encoded) */ +#define MAX_LPD (1 << 15) /* Divider (not encoded) */ +#define DEFAULT_LPD (1 << 1) /* Divider (not encoded) */ + +#define SYS_CLK_KHZ 80000 +#define SYSTEM_PERIOD 12.5 +/* + * SDRAM Timing Parameters + */ +#define SDRAM_BL 8 /* # of beats in a burst */ +#define SDRAM_TWR 2 /* in clocks */ +#define SDRAM_CASL 2.5 /* CASL in clocks */ +#define SDRAM_TRCD 2 /* in clocks */ +#define SDRAM_TRP 2 /* in clocks */ +#define SDRAM_TRFC 7 /* in clocks */ +#define SDRAM_TREFI 7800 /* in ns */ + +#define EXT_SRAM_ADDRESS (0xC0000000) +#define FLASH_ADDRESS (0x00000000) +#define SDRAM_ADDRESS (0x40000000) + +#define NAND_FLASH_ADDRESS (0xD0000000) + +int sys_clk_khz = 0; +int sys_clk_mhz = 0; + +void wtm_init(void); +void scm_init(void); +void gpio_init(void); +void fbcs_init(void); +void sdramc_init(void); +int clock_pll (int fsys, int flags); +int clock_limp (int); +int clock_exit_limp (void); +int get_sys_clock (void); + +asmlinkage void __init sysinit(void) +{ + sys_clk_khz = clock_pll(0, 0); + sys_clk_mhz = sys_clk_khz/1000; + + wtm_init(); + scm_init(); + gpio_init(); + fbcs_init(); + sdramc_init(); +} + +void wtm_init(void) +{ + /* Disable watchdog timer */ + MCF_WTM_WCR = 0; +} + +#define MCF_SCM_BCR_GBW (0x00000100) +#define MCF_SCM_BCR_GBR (0x00000200) + +void scm_init(void) +{ + /* All masters are trusted */ + MCF_SCM_MPR = 0x77777777; + + /* Allow supervisor/user, read/write, and trusted/untrusted + access to all slaves */ + MCF_SCM_PACRA = 0; + MCF_SCM_PACRB = 0; + MCF_SCM_PACRC = 0; + MCF_SCM_PACRD = 0; + MCF_SCM_PACRE = 0; + MCF_SCM_PACRF = 0; + + /* Enable bursts */ + MCF_SCM_BCR = (MCF_SCM_BCR_GBR | MCF_SCM_BCR_GBW); +} + + +void fbcs_init(void) +{ + MCF_GPIO_PAR_CS = 0x0000003E; + + /* Latch chip select */ + MCF_FBCS1_CSAR = 0x10080000; + + MCF_FBCS1_CSCR = 0x002A3780; + MCF_FBCS1_CSMR = (MCF_FBCS_CSMR_BAM_2M | MCF_FBCS_CSMR_V); + + /* Initialize latch to drive signals to inactive states */ + *((u16 *)(0x10080000)) = 0xFFFF; + + /* External SRAM */ + MCF_FBCS1_CSAR = EXT_SRAM_ADDRESS; + MCF_FBCS1_CSCR = (MCF_FBCS_CSCR_PS_16 + | MCF_FBCS_CSCR_AA + | MCF_FBCS_CSCR_SBM + | MCF_FBCS_CSCR_WS(1)); + MCF_FBCS1_CSMR = (MCF_FBCS_CSMR_BAM_512K + | MCF_FBCS_CSMR_V); + + /* Boot Flash connected to FBCS0 */ + MCF_FBCS0_CSAR = FLASH_ADDRESS; + MCF_FBCS0_CSCR = (MCF_FBCS_CSCR_PS_16 + | MCF_FBCS_CSCR_BEM + | MCF_FBCS_CSCR_AA + | MCF_FBCS_CSCR_SBM + | MCF_FBCS_CSCR_WS(7)); + MCF_FBCS0_CSMR = (MCF_FBCS_CSMR_BAM_32M + | MCF_FBCS_CSMR_V); +} + +void sdramc_init(void) +{ + /* + * Check to see if the SDRAM has already been initialized + * by a run control tool + */ + if (!(MCF_SDRAMC_SDCR & MCF_SDRAMC_SDCR_REF)) { + /* SDRAM chip select initialization */ + + /* Initialize SDRAM chip select */ + MCF_SDRAMC_SDCS0 = (0 + | MCF_SDRAMC_SDCS_BA(SDRAM_ADDRESS) + | MCF_SDRAMC_SDCS_CSSZ(MCF_SDRAMC_SDCS_CSSZ_32MBYTE)); + + /* + * Basic configuration and initialization + */ + MCF_SDRAMC_SDCFG1 = (0 + | MCF_SDRAMC_SDCFG1_SRD2RW((int)((SDRAM_CASL + 2) + 0.5 )) + | MCF_SDRAMC_SDCFG1_SWT2RD(SDRAM_TWR + 1) + | MCF_SDRAMC_SDCFG1_RDLAT((int)((SDRAM_CASL*2) + 2)) + | MCF_SDRAMC_SDCFG1_ACT2RW((int)((SDRAM_TRCD ) + 0.5)) + | MCF_SDRAMC_SDCFG1_PRE2ACT((int)((SDRAM_TRP ) + 0.5)) + | MCF_SDRAMC_SDCFG1_REF2ACT((int)(((SDRAM_TRFC) ) + 0.5)) + | MCF_SDRAMC_SDCFG1_WTLAT(3)); + MCF_SDRAMC_SDCFG2 = (0 + | MCF_SDRAMC_SDCFG2_BRD2PRE(SDRAM_BL/2 + 1) + | MCF_SDRAMC_SDCFG2_BWT2RW(SDRAM_BL/2 + SDRAM_TWR) + | MCF_SDRAMC_SDCFG2_BRD2WT((int)((SDRAM_CASL+SDRAM_BL/2-1.0)+0.5)) + | MCF_SDRAMC_SDCFG2_BL(SDRAM_BL-1)); + + + /* + * Precharge and enable write to SDMR + */ + MCF_SDRAMC_SDCR = (0 + | MCF_SDRAMC_SDCR_MODE_EN + | MCF_SDRAMC_SDCR_CKE + | MCF_SDRAMC_SDCR_DDR + | MCF_SDRAMC_SDCR_MUX(1) + | MCF_SDRAMC_SDCR_RCNT((int)(((SDRAM_TREFI/(SYSTEM_PERIOD*64)) - 1) + 0.5)) + | MCF_SDRAMC_SDCR_PS_16 + | MCF_SDRAMC_SDCR_IPALL); + + /* + * Write extended mode register + */ + MCF_SDRAMC_SDMR = (0 + | MCF_SDRAMC_SDMR_BNKAD_LEMR + | MCF_SDRAMC_SDMR_AD(0x0) + | MCF_SDRAMC_SDMR_CMD); + + /* + * Write mode register and reset DLL + */ + MCF_SDRAMC_SDMR = (0 + | MCF_SDRAMC_SDMR_BNKAD_LMR + | MCF_SDRAMC_SDMR_AD(0x163) + | MCF_SDRAMC_SDMR_CMD); + + /* + * Execute a PALL command + */ + MCF_SDRAMC_SDCR |= MCF_SDRAMC_SDCR_IPALL; + + /* + * Perform two REF cycles + */ + MCF_SDRAMC_SDCR |= MCF_SDRAMC_SDCR_IREF; + MCF_SDRAMC_SDCR |= MCF_SDRAMC_SDCR_IREF; + + /* + * Write mode register and clear reset DLL + */ + MCF_SDRAMC_SDMR = (0 + | MCF_SDRAMC_SDMR_BNKAD_LMR + | MCF_SDRAMC_SDMR_AD(0x063) + | MCF_SDRAMC_SDMR_CMD); + + /* + * Enable auto refresh and lock SDMR + */ + MCF_SDRAMC_SDCR &= ~MCF_SDRAMC_SDCR_MODE_EN; + MCF_SDRAMC_SDCR |= (0 + | MCF_SDRAMC_SDCR_REF + | MCF_SDRAMC_SDCR_DQS_OE(0xC)); + } +} + +void gpio_init(void) +{ + /* Enable UART0 pins */ + MCF_GPIO_PAR_UART = ( 0 + | MCF_GPIO_PAR_UART_PAR_URXD0 + | MCF_GPIO_PAR_UART_PAR_UTXD0); + + /* Initialize TIN3 as a GPIO output to enable the write + half of the latch */ + MCF_GPIO_PAR_TIMER = 0x00; + __raw_writeb(0x08, MCFGPIO_PDDR_TIMER); + __raw_writeb(0x00, MCFGPIO_PCLRR_TIMER); + +} + +int clock_pll(int fsys, int flags) +{ + int fref, temp, fout, mfd; + u32 i; + + fref = FREF; + + if (fsys == 0) { + /* Return current PLL output */ + mfd = MCF_PLL_PFDR; + + return (fref * mfd / (BUSDIV * 4)); + } + + /* Check bounds of requested system clock */ + if (fsys > MAX_FSYS) + fsys = MAX_FSYS; + if (fsys < MIN_FSYS) + fsys = MIN_FSYS; + + /* Multiplying by 100 when calculating the temp value, + and then dividing by 100 to calculate the mfd allows + for exact values without needing to include floating + point libraries. */ + temp = 100 * fsys / fref; + mfd = 4 * BUSDIV * temp / 100; + + /* Determine the output frequency for selected values */ + fout = (fref * mfd / (BUSDIV * 4)); + + /* + * Check to see if the SDRAM has already been initialized. + * If it has then the SDRAM needs to be put into self refresh + * mode before reprogramming the PLL. + */ + if (MCF_SDRAMC_SDCR & MCF_SDRAMC_SDCR_REF) + /* Put SDRAM into self refresh mode */ + MCF_SDRAMC_SDCR &= ~MCF_SDRAMC_SDCR_CKE; + + /* + * Initialize the PLL to generate the new system clock frequency. + * The device must be put into LIMP mode to reprogram the PLL. + */ + + /* Enter LIMP mode */ + clock_limp(DEFAULT_LPD); + + /* Reprogram PLL for desired fsys */ + MCF_PLL_PODR = (0 + | MCF_PLL_PODR_CPUDIV(BUSDIV/3) + | MCF_PLL_PODR_BUSDIV(BUSDIV)); + + MCF_PLL_PFDR = mfd; + + /* Exit LIMP mode */ + clock_exit_limp(); + + /* + * Return the SDRAM to normal operation if it is in use. + */ + if (MCF_SDRAMC_SDCR & MCF_SDRAMC_SDCR_REF) + /* Exit self refresh mode */ + MCF_SDRAMC_SDCR |= MCF_SDRAMC_SDCR_CKE; + + /* Errata - workaround for SDRAM opeartion after exiting LIMP mode */ + MCF_SDRAMC_LIMP_FIX = MCF_SDRAMC_REFRESH; + + /* wait for DQS logic to relock */ + for (i = 0; i < 0x200; i++) + ; + + return fout; +} + +int clock_limp(int div) +{ + u32 temp; + + /* Check bounds of divider */ + if (div < MIN_LPD) + div = MIN_LPD; + if (div > MAX_LPD) + div = MAX_LPD; + + /* Save of the current value of the SSIDIV so we don't + overwrite the value*/ + temp = (MCF_CCM_CDR & MCF_CCM_CDR_SSIDIV(0xF)); + + /* Apply the divider to the system clock */ + MCF_CCM_CDR = ( 0 + | MCF_CCM_CDR_LPDIV(div) + | MCF_CCM_CDR_SSIDIV(temp)); + + MCF_CCM_MISCCR |= MCF_CCM_MISCCR_LIMP; + + return (FREF/(3*(1 << div))); +} + +int clock_exit_limp(void) +{ + int fout; + + /* Exit LIMP mode */ + MCF_CCM_MISCCR = (MCF_CCM_MISCCR & ~ MCF_CCM_MISCCR_LIMP); + + /* Wait for PLL to lock */ + while (!(MCF_CCM_MISCCR & MCF_CCM_MISCCR_PLL_LOCK)) + ; + + fout = get_sys_clock(); + + return fout; +} + +int get_sys_clock(void) +{ + int divider; + + /* Test to see if device is in LIMP mode */ + if (MCF_CCM_MISCCR & MCF_CCM_MISCCR_LIMP) { + divider = MCF_CCM_CDR & MCF_CCM_CDR_LPDIV(0xF); + return (FREF/(2 << divider)); + } + else + return ((FREF * MCF_PLL_PFDR) / (BUSDIV * 4)); +} diff --git a/arch/m68k/platform/coldfire/m5407.c b/arch/m68k/platform/coldfire/m5407.c new file mode 100644 index 000000000000..faa6680b3404 --- /dev/null +++ b/arch/m68k/platform/coldfire/m5407.c @@ -0,0 +1,42 @@ +/***************************************************************************/ + +/* + * linux/arch/m68knommu/platform/5407/config.c + * + * Copyright (C) 1999-2002, Greg Ungerer (gerg@snapgear.com) + * Copyright (C) 2000, Lineo (www.lineo.com) + */ + +/***************************************************************************/ + +#include <linux/kernel.h> +#include <linux/param.h> +#include <linux/init.h> +#include <linux/io.h> +#include <asm/machdep.h> +#include <asm/coldfire.h> +#include <asm/mcfsim.h> +#include <asm/mcfgpio.h> + +/***************************************************************************/ + +struct mcf_gpio_chip mcf_gpio_chips[] = { + MCFGPS(PP, 0, 16, MCFSIM_PADDR, MCFSIM_PADAT, MCFSIM_PADAT), +}; + +unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips); + +/***************************************************************************/ + +void __init config_BSP(char *commandp, int size) +{ + mach_sched_init = hw_timer_init; + + /* Only support the external interrupts on their primary level */ + mcf_mapirq2imr(25, MCFINTC_EINT1); + mcf_mapirq2imr(27, MCFINTC_EINT3); + mcf_mapirq2imr(29, MCFINTC_EINT5); + mcf_mapirq2imr(31, MCFINTC_EINT7); +} + +/***************************************************************************/ diff --git a/arch/m68k/platform/coldfire/m54xx.c b/arch/m68k/platform/coldfire/m54xx.c new file mode 100644 index 000000000000..20672dadb252 --- /dev/null +++ b/arch/m68k/platform/coldfire/m54xx.c @@ -0,0 +1,112 @@ +/***************************************************************************/ + +/* + * linux/arch/m68knommu/platform/54xx/config.c + * + * Copyright (C) 2010, Philippe De Muyter <phdm@macqel.be> + */ + +/***************************************************************************/ + +#include <linux/kernel.h> +#include <linux/param.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/io.h> +#include <linux/mm.h> +#include <linux/bootmem.h> +#include <asm/pgalloc.h> +#include <asm/machdep.h> +#include <asm/coldfire.h> +#include <asm/m54xxsim.h> +#include <asm/mcfuart.h> +#include <asm/m54xxgpt.h> +#include <asm/mcfgpio.h> +#ifdef CONFIG_MMU +#include <asm/mmu_context.h> +#endif + +/***************************************************************************/ + +struct mcf_gpio_chip mcf_gpio_chips[] = { }; + +unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips); + +/***************************************************************************/ + +static void __init m54xx_uarts_init(void) +{ + /* enable io pins */ + __raw_writeb(MCF_PAR_PSC_TXD | MCF_PAR_PSC_RXD, + MCF_MBAR + MCF_PAR_PSC(0)); + __raw_writeb(MCF_PAR_PSC_TXD | MCF_PAR_PSC_RXD | MCF_PAR_PSC_RTS_RTS, + MCF_MBAR + MCF_PAR_PSC(1)); + __raw_writeb(MCF_PAR_PSC_TXD | MCF_PAR_PSC_RXD | MCF_PAR_PSC_RTS_RTS | + MCF_PAR_PSC_CTS_CTS, MCF_MBAR + MCF_PAR_PSC(2)); + __raw_writeb(MCF_PAR_PSC_TXD | MCF_PAR_PSC_RXD, + MCF_MBAR + MCF_PAR_PSC(3)); +} + +/***************************************************************************/ + +static void mcf54xx_reset(void) +{ + /* disable interrupts and enable the watchdog */ + asm("movew #0x2700, %sr\n"); + __raw_writel(0, MCF_MBAR + MCF_GPT_GMS0); + __raw_writel(MCF_GPT_GCIR_CNT(1), MCF_MBAR + MCF_GPT_GCIR0); + __raw_writel(MCF_GPT_GMS_WDEN | MCF_GPT_GMS_CE | MCF_GPT_GMS_TMS(4), + MCF_MBAR + MCF_GPT_GMS0); +} + +/***************************************************************************/ + +#ifdef CONFIG_MMU + +unsigned long num_pages; + +static void __init mcf54xx_bootmem_alloc(void) +{ + unsigned long start_pfn; + unsigned long memstart; + + /* _rambase and _ramend will be naturally page aligned */ + m68k_memory[0].addr = _rambase; + m68k_memory[0].size = _ramend - _rambase; + + /* compute total pages in system */ + num_pages = (_ramend - _rambase) >> PAGE_SHIFT; + + /* page numbers */ + memstart = PAGE_ALIGN(_ramstart); + min_low_pfn = _rambase >> PAGE_SHIFT; + start_pfn = memstart >> PAGE_SHIFT; + max_low_pfn = _ramend >> PAGE_SHIFT; + high_memory = (void *)_ramend; + + m68k_virt_to_node_shift = fls(_ramend - _rambase - 1) - 6; + module_fixup(NULL, __start_fixup, __stop_fixup); + + /* setup bootmem data */ + m68k_setup_node(0); + memstart += init_bootmem_node(NODE_DATA(0), start_pfn, + min_low_pfn, max_low_pfn); + free_bootmem_node(NODE_DATA(0), memstart, _ramend - memstart); +} + +#endif /* CONFIG_MMU */ + +/***************************************************************************/ + +void __init config_BSP(char *commandp, int size) +{ +#ifdef CONFIG_MMU + mcf54xx_bootmem_alloc(); + mmu_context_init(); +#endif + mach_reset = mcf54xx_reset; + mach_sched_init = hw_timer_init; + m54xx_uarts_init(); +} + +/***************************************************************************/ diff --git a/arch/m68k/platform/coldfire/nettel.c b/arch/m68k/platform/coldfire/nettel.c new file mode 100644 index 000000000000..e925ea4602f8 --- /dev/null +++ b/arch/m68k/platform/coldfire/nettel.c @@ -0,0 +1,153 @@ +/***************************************************************************/ + +/* + * nettel.c -- startup code support for the NETtel boards + * + * Copyright (C) 2009, Greg Ungerer (gerg@snapgear.com) + */ + +/***************************************************************************/ + +#include <linux/kernel.h> +#include <linux/param.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/platform_device.h> +#include <asm/coldfire.h> +#include <asm/mcfsim.h> +#include <asm/nettel.h> + +/***************************************************************************/ + +/* + * Define the IO and interrupt resources of the 2 SMC9196 interfaces. + */ +#define NETTEL_SMC0_ADDR 0x30600300 +#define NETTEL_SMC0_IRQ 29 + +#define NETTEL_SMC1_ADDR 0x30600000 +#define NETTEL_SMC1_IRQ 27 + +/* + * We need some access into the SMC9196 registers. Define those registers + * we will need here (including the smc91x.h doesn't seem to give us these + * in a simple form). + */ +#define SMC91xx_BANKSELECT 14 +#define SMC91xx_BASEADDR 2 +#define SMC91xx_BASEMAC 4 + +/***************************************************************************/ + +static struct resource nettel_smc91x_0_resources[] = { + { + .start = NETTEL_SMC0_ADDR, + .end = NETTEL_SMC0_ADDR + 0x20, + .flags = IORESOURCE_MEM, + }, + { + .start = NETTEL_SMC0_IRQ, + .end = NETTEL_SMC0_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource nettel_smc91x_1_resources[] = { + { + .start = NETTEL_SMC1_ADDR, + .end = NETTEL_SMC1_ADDR + 0x20, + .flags = IORESOURCE_MEM, + }, + { + .start = NETTEL_SMC1_IRQ, + .end = NETTEL_SMC1_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device nettel_smc91x[] = { + { + .name = "smc91x", + .id = 0, + .num_resources = ARRAY_SIZE(nettel_smc91x_0_resources), + .resource = nettel_smc91x_0_resources, + }, + { + .name = "smc91x", + .id = 1, + .num_resources = ARRAY_SIZE(nettel_smc91x_1_resources), + .resource = nettel_smc91x_1_resources, + }, +}; + +static struct platform_device *nettel_devices[] __initdata = { + &nettel_smc91x[0], + &nettel_smc91x[1], +}; + +/***************************************************************************/ + +static u8 nettel_macdefault[] __initdata = { + 0x00, 0xd0, 0xcf, 0x00, 0x00, 0x01, +}; + +/* + * Set flash contained MAC address into SMC9196 core. Make sure the flash + * MAC address is sane, and not an empty flash. If no good use the Moreton + * Bay default MAC address instead. + */ + +static void __init nettel_smc91x_setmac(unsigned int ioaddr, unsigned int flashaddr) +{ + u16 *macp; + + macp = (u16 *) flashaddr; + if ((macp[0] == 0xffff) && (macp[1] == 0xffff) && (macp[2] == 0xffff)) + macp = (u16 *) &nettel_macdefault[0]; + + writew(1, NETTEL_SMC0_ADDR + SMC91xx_BANKSELECT); + writew(macp[0], ioaddr + SMC91xx_BASEMAC); + writew(macp[1], ioaddr + SMC91xx_BASEMAC + 2); + writew(macp[2], ioaddr + SMC91xx_BASEMAC + 4); +} + +/***************************************************************************/ + +/* + * Re-map the address space of at least one of the SMC ethernet + * parts. Both parts power up decoding the same address, so we + * need to move one of them first, before doing anything else. + */ + +static void __init nettel_smc91x_init(void) +{ + writew(0x00ec, MCF_MBAR + MCFSIM_PADDR); + mcf_setppdata(0, 0x0080); + writew(1, NETTEL_SMC0_ADDR + SMC91xx_BANKSELECT); + writew(0x0067, NETTEL_SMC0_ADDR + SMC91xx_BASEADDR); + mcf_setppdata(0x0080, 0); + + /* Set correct chip select timing for SMC9196 accesses */ + writew(0x1180, MCF_MBAR + MCFSIM_CSCR3); + + /* Set the SMC interrupts to be auto-vectored */ + mcf_autovector(NETTEL_SMC0_IRQ); + mcf_autovector(NETTEL_SMC1_IRQ); + + /* Set MAC addresses from flash for both interfaces */ + nettel_smc91x_setmac(NETTEL_SMC0_ADDR, 0xf0006000); + nettel_smc91x_setmac(NETTEL_SMC1_ADDR, 0xf0006006); +} + +/***************************************************************************/ + +static int __init init_nettel(void) +{ + nettel_smc91x_init(); + platform_add_devices(nettel_devices, ARRAY_SIZE(nettel_devices)); + return 0; +} + +arch_initcall(init_nettel); + +/***************************************************************************/ |