diff options
| -rw-r--r-- | arch/m68k/Kconfig.cpu | 8 | ||||
| -rw-r--r-- | arch/m68k/Makefile | 1 | ||||
| -rw-r--r-- | arch/m68k/include/asm/dma.h | 4 | ||||
| -rw-r--r-- | arch/m68k/include/asm/m525xsim.h | 194 | ||||
| -rw-r--r-- | arch/m68k/include/asm/mcfgpio.h | 8 | ||||
| -rw-r--r-- | arch/m68k/include/asm/mcfsim.h | 3 | ||||
| -rw-r--r-- | arch/m68k/include/asm/mcfuart.h | 4 | ||||
| -rw-r--r-- | arch/m68k/platform/coldfire/Makefile | 1 | ||||
| -rw-r--r-- | arch/m68k/platform/coldfire/head.S | 6 | ||||
| -rw-r--r-- | arch/m68k/platform/coldfire/intc-525x.c | 91 | ||||
| -rw-r--r-- | arch/m68k/platform/coldfire/m525x.c | 66 |
11 files changed, 376 insertions, 10 deletions
diff --git a/arch/m68k/Kconfig.cpu b/arch/m68k/Kconfig.cpu index ff2314d5d93..8d9afb09f56 100644 --- a/arch/m68k/Kconfig.cpu +++ b/arch/m68k/Kconfig.cpu @@ -167,6 +167,14 @@ config M5249 help Motorola ColdFire 5249 processor support. +config M525x + bool "MCF525x" + depends on !MMU + select COLDFIRE_SW_A7 + select HAVE_MBAR + help + Freescale (Motorola) Coldfire 5251/5253 processor support. + config M527x bool diff --git a/arch/m68k/Makefile b/arch/m68k/Makefile index b7f2e2d5cd2..8daf9697e5e 100644 --- a/arch/m68k/Makefile +++ b/arch/m68k/Makefile @@ -50,6 +50,7 @@ cpuflags-$(CONFIG_M5275) := $(call cc-option,-mcpu=5275,-m5307) cpuflags-$(CONFIG_M5272) := $(call cc-option,-mcpu=5272,-m5307) cpuflags-$(CONFIG_M5271) := $(call cc-option,-mcpu=5271,-m5307) cpuflags-$(CONFIG_M523x) := $(call cc-option,-mcpu=523x,-m5307) +cpuflags-$(CONFIG_M525x) := $(call cc-option,-mcpu=5253,-m5200) cpuflags-$(CONFIG_M5249) := $(call cc-option,-mcpu=5249,-m5200) cpuflags-$(CONFIG_M520x) := $(call cc-option,-mcpu=5208,-m5200) cpuflags-$(CONFIG_M5206e) := $(call cc-option,-mcpu=5206e,-m5200) diff --git a/arch/m68k/include/asm/dma.h b/arch/m68k/include/asm/dma.h index 6fbdfe89510..94706418463 100644 --- a/arch/m68k/include/asm/dma.h +++ b/arch/m68k/include/asm/dma.h @@ -33,7 +33,9 @@ * Set number of channels of DMA on ColdFire for different implementations. */ #if defined(CONFIG_M5249) || defined(CONFIG_M5307) || defined(CONFIG_M5407) || \ - defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) + defined(CONFIG_M523x) || defined(CONFIG_M527x) || \ + defined(CONFIG_M528x) || defined(CONFIG_M525x) + #define MAX_M68K_DMA_CHANNELS 4 #elif defined(CONFIG_M5272) #define MAX_M68K_DMA_CHANNELS 1 diff --git a/arch/m68k/include/asm/m525xsim.h b/arch/m68k/include/asm/m525xsim.h new file mode 100644 index 00000000000..6da24f65390 --- /dev/null +++ b/arch/m68k/include/asm/m525xsim.h @@ -0,0 +1,194 @@ +/****************************************************************************/ + +/* + * m525xsim.h -- ColdFire 525x System Integration Module support. + * + * (C) Copyright 2012, Steven king <sfking@fdwdc.com> + * (C) Copyright 2002, Greg Ungerer (gerg@snapgear.com) + */ + +/****************************************************************************/ +#ifndef m525xsim_h +#define m525xsim_h +/****************************************************************************/ + +#define CPU_NAME "COLDFIRE(m525x)" +#define CPU_INSTR_PER_JIFFY 3 +#define MCF_BUSCLK (MCF_CLK / 2) + +#include <asm/m52xxacr.h> + +/* + * The 525x has a second MBAR region, define its address. + */ +#define MCF_MBAR2 0x80000000 + +/* + * Define the 525x SIM register set addresses. + */ +#define MCFSIM_RSR 0x00 /* Reset Status reg (r/w) */ +#define MCFSIM_SYPCR 0x01 /* System Protection reg (r/w)*/ +#define MCFSIM_SWIVR 0x02 /* SW Watchdog intr reg (r/w) */ +#define MCFSIM_SWSR 0x03 /* SW Watchdog service (r/w) */ +#define MCFSIM_MPARK 0x0C /* BUS Master Control Reg*/ +#define MCFSIM_IPR 0x40 /* Interrupt Pend reg (r/w) */ +#define MCFSIM_IMR 0x44 /* Interrupt Mask reg (r/w) */ +#define MCFSIM_ICR0 0x4c /* Intr Ctrl reg 0 (r/w) */ +#define MCFSIM_ICR1 0x4d /* Intr Ctrl reg 1 (r/w) */ +#define MCFSIM_ICR2 0x4e /* Intr Ctrl reg 2 (r/w) */ +#define MCFSIM_ICR3 0x4f /* Intr Ctrl reg 3 (r/w) */ +#define MCFSIM_ICR4 0x50 /* Intr Ctrl reg 4 (r/w) */ +#define MCFSIM_ICR5 0x51 /* Intr Ctrl reg 5 (r/w) */ +#define MCFSIM_ICR6 0x52 /* Intr Ctrl reg 6 (r/w) */ +#define MCFSIM_ICR7 0x53 /* Intr Ctrl reg 7 (r/w) */ +#define MCFSIM_ICR8 0x54 /* Intr Ctrl reg 8 (r/w) */ +#define MCFSIM_ICR9 0x55 /* Intr Ctrl reg 9 (r/w) */ +#define MCFSIM_ICR10 0x56 /* Intr Ctrl reg 10 (r/w) */ +#define MCFSIM_ICR11 0x57 /* Intr Ctrl reg 11 (r/w) */ + +#define MCFSIM_CSAR0 0x80 /* CS 0 Address 0 reg (r/w) */ +#define MCFSIM_CSMR0 0x84 /* CS 0 Mask 0 reg (r/w) */ +#define MCFSIM_CSCR0 0x8a /* CS 0 Control reg (r/w) */ +#define MCFSIM_CSAR1 0x8c /* CS 1 Address reg (r/w) */ +#define MCFSIM_CSMR1 0x90 /* CS 1 Mask reg (r/w) */ +#define MCFSIM_CSCR1 0x96 /* CS 1 Control reg (r/w) */ +#define MCFSIM_CSAR2 0x98 /* CS 2 Address reg (r/w) */ +#define MCFSIM_CSMR2 0x9c /* CS 2 Mask reg (r/w) */ +#define MCFSIM_CSCR2 0xa2 /* CS 2 Control reg (r/w) */ +#define MCFSIM_CSAR3 0xa4 /* CS 3 Address reg (r/w) */ +#define MCFSIM_CSMR3 0xa8 /* CS 3 Mask reg (r/w) */ +#define MCFSIM_CSCR3 0xae /* CS 3 Control reg (r/w) */ +#define MCFSIM_CSAR4 0xb0 /* CS 4 Address reg (r/w) */ +#define MCFSIM_CSMR4 0xb4 /* CS 4 Mask reg (r/w) */ +#define MCFSIM_CSCR4 0xba /* CS 4 Control reg (r/w) */ + +#define MCFSIM_DCR (MCF_MBAR + 0x100) /* DRAM Control */ +#define MCFSIM_DACR0 (MCF_MBAR + 0x108) /* DRAM 0 Addr/Ctrl */ +#define MCFSIM_DMR0 (MCF_MBAR + 0x10c) /* DRAM 0 Mask */ + +/* + * Secondary Interrupt Controller (in MBAR2) +*/ +#define MCFINTC2_INTBASE (MCF_MBAR2 + 0x168) /* Base Vector Reg */ +#define MCFINTC2_INTPRI1 (MCF_MBAR2 + 0x140) /* 0-7 priority */ +#define MCFINTC2_INTPRI2 (MCF_MBAR2 + 0x144) /* 8-15 priority */ +#define MCFINTC2_INTPRI3 (MCF_MBAR2 + 0x148) /* 16-23 priority */ +#define MCFINTC2_INTPRI4 (MCF_MBAR2 + 0x14c) /* 24-31 priority */ +#define MCFINTC2_INTPRI5 (MCF_MBAR2 + 0x150) /* 32-39 priority */ +#define MCFINTC2_INTPRI6 (MCF_MBAR2 + 0x154) /* 40-47 priority */ +#define MCFINTC2_INTPRI7 (MCF_MBAR2 + 0x158) /* 48-55 priority */ +#define MCFINTC2_INTPRI8 (MCF_MBAR2 + 0x15c) /* 56-63 priority */ + +#define MCFINTC2_INTPRI_REG(i) (MCFINTC2_INTPRI1 + \ + ((((i) - MCFINTC2_VECBASE) / 8) * 4)) +#define MCFINTC2_INTPRI_BITS(b, i) ((b) << (((i) % 8) * 4)) + +/* + * Timer module. + */ +#define MCFTIMER_BASE1 (MCF_MBAR + 0x140) /* Base of TIMER1 */ +#define MCFTIMER_BASE2 (MCF_MBAR + 0x180) /* Base of TIMER2 */ + +/* + * UART module. + */ +#define MCFUART_BASE0 (MCF_MBAR + 0x1c0) /* Base address UART0 */ +#define MCFUART_BASE1 (MCF_MBAR + 0x200) /* Base address UART1 */ + +/* + * QSPI module. + */ +#define MCFQSPI_BASE (MCF_MBAR + 0x300) /* Base address QSPI */ +#define MCFQSPI_SIZE 0x40 /* Register set size */ + + +#define MCFQSPI_CS0 15 +#define MCFQSPI_CS1 16 +#define MCFQSPI_CS2 24 +#define MCFQSPI_CS3 28 + +/* + * I2C module. + */ +#define MCFI2C_BASE0 (MCF_MBAR + 0x280) /* Base addreess I2C0 */ +#define MCFI2C_SIZE0 0x20 /* Register set size */ + +#define MCFI2C_BASE1 (MCF_MBAR2 + 0x440) /* Base addreess I2C1 */ +#define MCFI2C_SIZE1 0x20 /* Register set size */ +/* + * DMA unit base addresses. + */ +#define MCFDMA_BASE0 (MCF_MBAR + 0x300) /* Base address DMA 0 */ +#define MCFDMA_BASE1 (MCF_MBAR + 0x340) /* Base address DMA 1 */ +#define MCFDMA_BASE2 (MCF_MBAR + 0x380) /* Base address DMA 2 */ +#define MCFDMA_BASE3 (MCF_MBAR + 0x3C0) /* Base address DMA 3 */ + +/* + * Some symbol defines for the above... + */ +#define MCFSIM_SWDICR MCFSIM_ICR0 /* Watchdog timer ICR */ +#define MCFSIM_TIMER1ICR MCFSIM_ICR1 /* Timer 1 ICR */ +#define MCFSIM_TIMER2ICR MCFSIM_ICR2 /* Timer 2 ICR */ +#define MCFSIM_I2CICR MCFSIM_ICR3 /* I2C ICR */ +#define MCFSIM_UART1ICR MCFSIM_ICR4 /* UART 1 ICR */ +#define MCFSIM_UART2ICR MCFSIM_ICR5 /* UART 2 ICR */ +#define MCFSIM_DMA0ICR MCFSIM_ICR6 /* DMA 0 ICR */ +#define MCFSIM_DMA1ICR MCFSIM_ICR7 /* DMA 1 ICR */ +#define MCFSIM_DMA2ICR MCFSIM_ICR8 /* DMA 2 ICR */ +#define MCFSIM_DMA3ICR MCFSIM_ICR9 /* DMA 3 ICR */ +#define MCFSIM_QSPIICR MCFSIM_ICR10 /* QSPI ICR */ + +/* + * Define system peripheral IRQ usage. + */ +#define MCF_IRQ_QSPI 28 /* QSPI, Level 4 */ +#define MCF_IRQ_I2C0 29 +#define MCF_IRQ_TIMER 30 /* Timer0, Level 6 */ +#define MCF_IRQ_PROFILER 31 /* Timer1, Level 7 */ + +#define MCF_IRQ_UART0 73 /* UART0 */ +#define MCF_IRQ_UART1 74 /* UART1 */ + +/* + * Define the base interrupt for the second interrupt controller. + * We set it to 128, out of the way of the base interrupts, and plenty + * of room for its 64 interrupts. + */ +#define MCFINTC2_VECBASE 128 + +#define MCF_IRQ_GPIO0 (MCFINTC2_VECBASE + 32) +#define MCF_IRQ_GPIO1 (MCFINTC2_VECBASE + 33) +#define MCF_IRQ_GPIO2 (MCFINTC2_VECBASE + 34) +#define MCF_IRQ_GPIO3 (MCFINTC2_VECBASE + 35) +#define MCF_IRQ_GPIO4 (MCFINTC2_VECBASE + 36) +#define MCF_IRQ_GPIO5 (MCFINTC2_VECBASE + 37) +#define MCF_IRQ_GPIO6 (MCFINTC2_VECBASE + 38) + +#define MCF_IRQ_USBWUP (MCFINTC2_VECBASE + 40) +#define MCF_IRQ_I2C1 (MCFINTC2_VECBASE + 62) + +/* + * General purpose IO registers (in MBAR2). + */ +#define MCFSIM2_GPIOREAD (MCF_MBAR2 + 0x000) /* GPIO read values */ +#define MCFSIM2_GPIOWRITE (MCF_MBAR2 + 0x004) /* GPIO write values */ +#define MCFSIM2_GPIOENABLE (MCF_MBAR2 + 0x008) /* GPIO enabled */ +#define MCFSIM2_GPIOFUNC (MCF_MBAR2 + 0x00C) /* GPIO function */ +#define MCFSIM2_GPIO1READ (MCF_MBAR2 + 0x0B0) /* GPIO1 read values */ +#define MCFSIM2_GPIO1WRITE (MCF_MBAR2 + 0x0B4) /* GPIO1 write values */ +#define MCFSIM2_GPIO1ENABLE (MCF_MBAR2 + 0x0B8) /* GPIO1 enabled */ +#define MCFSIM2_GPIO1FUNC (MCF_MBAR2 + 0x0BC) /* GPIO1 function */ + +#define MCFSIM2_GPIOINTSTAT (MCF_MBAR2 + 0xc0) /* GPIO intr status */ +#define MCFSIM2_GPIOINTCLEAR (MCF_MBAR2 + 0xc0) /* GPIO intr clear */ +#define MCFSIM2_GPIOINTENABLE (MCF_MBAR2 + 0xc4) /* GPIO intr enable */ + +/* + * Generic GPIO support + */ +#define MCFGPIO_PIN_MAX 64 +#define MCFGPIO_IRQ_MAX 7 +#define MCFGPIO_IRQ_VECBASE MCF_IRQ_GPIO0 + +/****************************************************************************/ +#endif /* m525xsim_h */ diff --git a/arch/m68k/include/asm/mcfgpio.h b/arch/m68k/include/asm/mcfgpio.h index 67ba20ffedb..b2471a5f02e 100644 --- a/arch/m68k/include/asm/mcfgpio.h +++ b/arch/m68k/include/asm/mcfgpio.h @@ -122,7 +122,7 @@ static inline void gpio_free(unsigned gpio) #define mcfgpio_read(port) __raw_readw(port) #define mcfgpio_write(data, port) __raw_writew(data, port) -#elif defined(CONFIG_M5249) +#elif defined(CONFIG_M5249) || defined(CONFIG_M525x) /* These parts have GPIO organized by 32 bit ports */ @@ -183,7 +183,7 @@ static inline u32 __mcfgpio_ppdr(unsigned gpio) return MCFSIM_PBDAT; else return MCFSIM_PCDAT; -#elif defined(CONFIG_M5249) +#elif defined(CONFIG_M5249) || defined(CONFIG_M525x) if (gpio < 32) return MCFSIM2_GPIOREAD; else @@ -222,7 +222,7 @@ static inline u32 __mcfgpio_podr(unsigned gpio) return MCFSIM_PBDAT; else return MCFSIM_PCDAT; -#elif defined(CONFIG_M5249) +#elif defined(CONFIG_M5249) || defined(CONFIG_M525x) if (gpio < 32) return MCFSIM2_GPIOWRITE; else @@ -261,7 +261,7 @@ static inline u32 __mcfgpio_pddr(unsigned gpio) return MCFSIM_PBDDR; else return MCFSIM_PCDDR; -#elif defined(CONFIG_M5249) +#elif defined(CONFIG_M5249) || defined(CONFIG_M525x) if (gpio < 32) return MCFSIM2_GPIOENABLE; else diff --git a/arch/m68k/include/asm/mcfsim.h b/arch/m68k/include/asm/mcfsim.h index ebd0304054a..6871f62b11b 100644 --- a/arch/m68k/include/asm/mcfsim.h +++ b/arch/m68k/include/asm/mcfsim.h @@ -27,6 +27,9 @@ #elif defined(CONFIG_M5249) #include <asm/m5249sim.h> #include <asm/mcfintc.h> +#elif defined(CONFIG_M525x) +#include <asm/m525xsim.h> +#include <asm/mcfintc.h> #elif defined(CONFIG_M527x) #include <asm/m527xsim.h> #elif defined(CONFIG_M5272) diff --git a/arch/m68k/include/asm/mcfuart.h b/arch/m68k/include/asm/mcfuart.h index 2d3bc774b3c..b40c20f6664 100644 --- a/arch/m68k/include/asm/mcfuart.h +++ b/arch/m68k/include/asm/mcfuart.h @@ -43,8 +43,8 @@ struct mcf_platform_uart { #define MCFUART_UFPD 0x30 /* Frac Prec. Divider (r/w) */ #endif #if defined(CONFIG_M5206) || defined(CONFIG_M5206e) || \ - defined(CONFIG_M5249) || defined(CONFIG_M5307) || \ - defined(CONFIG_M5407) + defined(CONFIG_M5249) || defined(CONFIG_M525x) || \ + defined(CONFIG_M5307) || defined(CONFIG_M5407) #define MCFUART_UIVR 0x30 /* Interrupt Vector (r/w) */ #endif #define MCFUART_UIPR 0x34 /* Input Port (r) */ diff --git a/arch/m68k/platform/coldfire/Makefile b/arch/m68k/platform/coldfire/Makefile index 69bc0ae2538..a7329b4fbef 100644 --- a/arch/m68k/platform/coldfire/Makefile +++ b/arch/m68k/platform/coldfire/Makefile @@ -20,6 +20,7 @@ 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_M525x) += m525x.o timers.o intc.o intc-525x.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 diff --git a/arch/m68k/platform/coldfire/head.S b/arch/m68k/platform/coldfire/head.S index c3db70ed33b..4e0c9eb3bd1 100644 --- a/arch/m68k/platform/coldfire/head.S +++ b/arch/m68k/platform/coldfire/head.S @@ -31,9 +31,9 @@ .endm #elif defined(CONFIG_M5206) || defined(CONFIG_M5206e) || \ - defined(CONFIG_M5249) || defined(CONFIG_M527x) || \ - defined(CONFIG_M528x) || defined(CONFIG_M5307) || \ - defined(CONFIG_M5407) + defined(CONFIG_M5249) || defined(CONFIG_M525x) || \ + defined(CONFIG_M527x) || defined(CONFIG_M528x) || \ + defined(CONFIG_M5307) || defined(CONFIG_M5407) /* * Not all these devices have exactly the same DRAM controller, * but the DCMR register is virtually identical - give or take diff --git a/arch/m68k/platform/coldfire/intc-525x.c b/arch/m68k/platform/coldfire/intc-525x.c new file mode 100644 index 00000000000..b23204d059a --- /dev/null +++ b/arch/m68k/platform/coldfire/intc-525x.c @@ -0,0 +1,91 @@ +/* + * intc2.c -- support for the 2nd INTC controller of the 525x + * + * (C) Copyright 2012, Steven King <sfking@fdwdc.com> + * (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 = readl(MCFSIM2_GPIOINTENABLE); + u32 type = irqd_get_trigger_type(d); + int irq = d->irq - MCF_IRQ_GPIO0; + + if (type & IRQ_TYPE_EDGE_RISING) + imr &= ~(0x001 << irq); + if (type & IRQ_TYPE_EDGE_FALLING) + imr &= ~(0x100 << irq); + writel(imr, MCFSIM2_GPIOINTENABLE); +} + +static void intc2_irq_gpio_unmask(struct irq_data *d) +{ + u32 imr = readl(MCFSIM2_GPIOINTENABLE); + u32 type = irqd_get_trigger_type(d); + int irq = d->irq - MCF_IRQ_GPIO0; + + if (type & IRQ_TYPE_EDGE_RISING) + imr |= (0x001 << irq); + if (type & IRQ_TYPE_EDGE_FALLING) + imr |= (0x100 << irq); + writel(imr, MCFSIM2_GPIOINTENABLE); +} + +static void intc2_irq_gpio_ack(struct irq_data *d) +{ + u32 imr = 0; + u32 type = irqd_get_trigger_type(d); + int irq = d->irq - MCF_IRQ_GPIO0; + + if (type & IRQ_TYPE_EDGE_RISING) + imr |= (0x001 << irq); + if (type & IRQ_TYPE_EDGE_FALLING) + imr |= (0x100 << irq); + writel(imr, MCFSIM2_GPIOINTCLEAR); +} + +static int intc2_irq_gpio_set_type(struct irq_data *d, unsigned int f) +{ + if (f & ~IRQ_TYPE_EDGE_BOTH) + return -EINVAL; + return 0; +} + +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, + .irq_set_type = intc2_irq_gpio_set_type, +}; + +static int __init mcf_intc2_init(void) +{ + int irq; + + /* set the interrupt base for the second interrupt controller */ + writel(MCFINTC2_VECBASE, MCFINTC2_INTBASE); + + /* GPIO interrupt sources */ + for (irq = MCF_IRQ_GPIO0; (irq <= MCF_IRQ_GPIO6); 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/m525x.c b/arch/m68k/platform/coldfire/m525x.c new file mode 100644 index 00000000000..8ce905f9b84 --- /dev/null +++ b/arch/m68k/platform/coldfire/m525x.c @@ -0,0 +1,66 @@ +/***************************************************************************/ + +/* + * 525x.c + * + * Copyright (C) 2012, Steven King <sfking@fdwdc.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> + +/***************************************************************************/ + +static void __init m525x_qspi_init(void) +{ +#if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) + /* set the GPIO function for the qspi cs gpios */ + /* FIXME: replace with pinmux/pinctl support */ + u32 f = readl(MCFSIM2_GPIOFUNC); + f |= (1 << MCFQSPI_CS2) | (1 << MCFQSPI_CS1) | (1 << MCFQSPI_CS0); + writel(f, MCFSIM2_GPIOFUNC); + + /* 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) */ +} + +static void __init m525x_i2c_init(void) +{ +#if IS_ENABLED(CONFIG_I2C_COLDFIRE) + u32 r; + + /* first I2C controller uses regular irq setup */ + writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL5 | MCFSIM_ICR_PRI0, + MCF_MBAR + MCFSIM_I2CICR); + mcf_mapirq2imr(MCF_IRQ_I2C0, MCFINTC_I2C); + + /* second I2C controller is completely different */ + r = readl(MCFINTC2_INTPRI_REG(MCF_IRQ_I2C1)); + r &= ~MCFINTC2_INTPRI_BITS(0xf, MCF_IRQ_I2C1); + r |= MCFINTC2_INTPRI_BITS(0x5, MCF_IRQ_I2C1); + writel(r, MCFINTC2_INTPRI_REG(MCF_IRQ_I2C1)); +#endif /* IS_ENABLED(CONFIG_I2C_COLDFIRE) */ +} + +/***************************************************************************/ + +void __init config_BSP(char *commandp, int size) +{ + mach_sched_init = hw_timer_init; + + m525x_qspi_init(); + m525x_i2c_init(); +} + +/***************************************************************************/ |