help
Freescale ColdFire 5480/5481/5482/5483/5484/5485 processor support.
+config M5441x
+ bool "MCF5441x"
+ depends on !MMU
+ select GENERIC_CLOCKEVENTS
+ select HAVE_CACHE_CB
+ help
+ Freescale Coldfire 54410/54415/54416/54417/54418 processor support.
+
endif # COLDFIRE
cpuflags-$(CONFIG_M68020) :=
cpuflags-$(CONFIG_M68360) := -m68332
cpuflags-$(CONFIG_M68000) := -m68000
+cpuflags-$(CONFIG_M5441x) := $(call cc-option,-mcpu=54455,-mcfv4e)
cpuflags-$(CONFIG_M54xx) := $(call cc-option,-mcpu=5475,-m5200)
cpuflags-$(CONFIG_M5407) := $(call cc-option,-mcpu=5407,-m5200)
cpuflags-$(CONFIG_M532x) := $(call cc-option,-mcpu=532x,-m5307)
static inline int gpio_to_irq(unsigned gpio)
{
- return (gpio < MCFGPIO_IRQ_MAX) ? gpio + MCFGPIO_IRQ_VECBASE
- : __gpio_to_irq(gpio);
+#if defined(MCFGPIO_IRQ_MIN)
+ if ((gpio >= MCFGPIO_IRQ_MIN) && (gpio < MCFGPIO_IRQ_MAX))
+#else
+ if (gpio < MCFGPIO_IRQ_MAX)
+#endif
+ return gpio + MCFGPIO_IRQ_VECBASE;
+ else
+ return __gpio_to_irq(gpio);
}
static inline int irq_to_gpio(unsigned irq)
--- /dev/null
+/*
+ * m5441xsim.h -- Coldfire 5441x register definitions
+ *
+ * (C) Copyright 2012, Steven King <sfking@fdwdc.com>
+*/
+
+#ifndef m5441xsim_h
+#define m5441xsim_h
+
+#define CPU_NAME "COLDFIRE(m5441x)"
+#define CPU_INSTR_PER_JIFFY 2
+#define MCF_BUSCLK (MCF_CLK / 2)
+
+#include <asm/m54xxacr.h>
+
+/*
+ * Reset Controller Module.
+ */
+
+#define MCF_RCR 0xec090000
+#define MCF_RSR 0xec090001
+
+#define MCF_RCR_SWRESET 0x80 /* Software reset bit */
+#define MCF_RCR_FRCSTOUT 0x40 /* Force external reset */
+
+/*
+ * Interrupt Controller Modules.
+ */
+/* the 5441x have 3 interrupt controllers, each control 64 interrupts */
+#define MCFINT_VECBASE 64
+#define MCFINT0_VECBASE MCFINT_VECBASE
+#define MCFINT1_VECBASE (MCFINT0_VECBASE + 64)
+#define MCFINT2_VECBASE (MCFINT1_VECBASE + 64)
+
+/* interrupt controller 0 */
+#define MCFINTC0_SIMR 0xfc04801c
+#define MCFINTC0_CIMR 0xfc04801d
+#define MCFINTC0_ICR0 0xfc048040
+/* interrupt controller 1 */
+#define MCFINTC1_SIMR 0xfc04c01c
+#define MCFINTC1_CIMR 0xfc04c01d
+#define MCFINTC1_ICR0 0xfc04c040
+/* interrupt controller 2 */
+#define MCFINTC2_SIMR 0xfc05001c
+#define MCFINTC2_CIMR 0xfc05001d
+#define MCFINTC2_ICR0 0xfc050040
+
+/* on interrupt controller 0 */
+#define MCFINT0_EPORT0 1
+#define MCFINT0_UART0 26
+#define MCFINT0_UART1 27
+#define MCFINT0_UART2 28
+#define MCFINT0_UART3 29
+#define MCFINT0_I2C0 30
+#define MCFINT0_DSPI0 31
+
+#define MCFINT0_TIMER0 32
+#define MCFINT0_TIMER1 33
+#define MCFINT0_TIMER2 34
+#define MCFINT0_TIMER3 35
+
+#define MCFINT0_FECRX0 36
+#define MCFINT0_FECTX0 40
+#define MCFINT0_FECENTC0 42
+
+#define MCFINT0_FECRX1 49
+#define MCFINT0_FECTX1 53
+#define MCFINT0_FECENTC1 55
+
+/* on interrupt controller 1 */
+#define MCFINT1_UART4 48
+#define MCFINT1_UART5 49
+#define MCFINT1_UART6 50
+#define MCFINT1_UART7 51
+#define MCFINT1_UART8 52
+#define MCFINT1_UART9 53
+#define MCFINT1_DSPI1 54
+#define MCFINT1_DSPI2 55
+#define MCFINT1_DSPI3 56
+#define MCFINT1_I2C1 57
+#define MCFINT1_I2C2 58
+#define MCFINT1_I2C3 59
+#define MCFINT1_I2C4 60
+#define MCFINT1_I2C5 61
+
+/* on interrupt controller 2 */
+#define MCFINT2_PIT0 13
+#define MCFINT2_PIT1 14
+#define MCFINT2_PIT2 15
+#define MCFINT2_PIT3 16
+#define MCFINT2_RTC 26
+
+/*
+ * PIT timer module.
+ */
+#define MCFPIT_BASE0 0xFC080000 /* Base address of TIMER0 */
+#define MCFPIT_BASE1 0xFC084000 /* Base address of TIMER1 */
+#define MCFPIT_BASE2 0xFC088000 /* Base address of TIMER2 */
+#define MCFPIT_BASE3 0xFC08C000 /* Base address of TIMER3 */
+
+
+#define MCF_IRQ_PIT1 (MCFINT2_VECBASE + MCFINT2_PIT1)
+
+/*
+ * Power Management
+ */
+#define MCFPM_WCR 0xfc040013
+#define MCFPM_PPMSR0 0xfc04002c
+#define MCFPM_PPMCR0 0xfc04002d
+#define MCFPM_PPMSR1 0xfc04002e
+#define MCFPM_PPMCR1 0xfc04002f
+#define MCFPM_PPMHR0 0xfc040030
+#define MCFPM_PPMLR0 0xfc040034
+#define MCFPM_PPMHR1 0xfc040038
+#define MCFPM_PPMLR1 0xfc04003c
+#define MCFPM_LPCR 0xec090007
+/*
+ * UART module.
+ */
+#define MCFUART_BASE0 0xfc060000 /* Base address of UART0 */
+#define MCFUART_BASE1 0xfc064000 /* Base address of UART1 */
+#define MCFUART_BASE2 0xfc068000 /* Base address of UART2 */
+#define MCFUART_BASE3 0xfc06c000 /* Base address of UART3 */
+#define MCFUART_BASE4 0xec060000 /* Base address of UART4 */
+#define MCFUART_BASE5 0xec064000 /* Base address of UART5 */
+#define MCFUART_BASE6 0xec068000 /* Base address of UART6 */
+#define MCFUART_BASE7 0xec06c000 /* Base address of UART7 */
+#define MCFUART_BASE8 0xec070000 /* Base address of UART8 */
+#define MCFUART_BASE9 0xec074000 /* Base address of UART9 */
+
+#define MCF_IRQ_UART0 (MCFINT0_VECBASE + MCFINT0_UART0)
+#define MCF_IRQ_UART1 (MCFINT0_VECBASE + MCFINT0_UART1)
+#define MCF_IRQ_UART2 (MCFINT0_VECBASE + MCFINT0_UART2)
+#define MCF_IRQ_UART3 (MCFINT0_VECBASE + MCFINT0_UART3)
+#define MCF_IRQ_UART4 (MCFINT1_VECBASE + MCFINT1_UART4)
+#define MCF_IRQ_UART5 (MCFINT1_VECBASE + MCFINT1_UART5)
+#define MCF_IRQ_UART6 (MCFINT1_VECBASE + MCFINT1_UART6)
+#define MCF_IRQ_UART7 (MCFINT1_VECBASE + MCFINT1_UART7)
+#define MCF_IRQ_UART8 (MCFINT1_VECBASE + MCFINT1_UART8)
+#define MCF_IRQ_UART9 (MCFINT1_VECBASE + MCFINT1_UART9)
+/*
+ * FEC modules.
+ */
+#define MCFFEC_BASE0 0xfc0d4000
+#define MCFFEC_SIZE0 0x800
+#define MCF_IRQ_FECRX0 (MCFINT0_VECBASE + MCFINT0_FECRX0)
+#define MCF_IRQ_FECTX0 (MCFINT0_VECBASE + MCFINT0_FECTX0)
+#define MCF_IRQ_FECENTC0 (MCFINT0_VECBASE + MCFINT0_FECENTC0)
+
+#define MCFFEC_BASE1 0xfc0d8000
+#define MCFFEC_SIZE1 0x800
+#define MCF_IRQ_FECRX1 (MCFINT0_VECBASE + MCFINT0_FECRX1)
+#define MCF_IRQ_FECTX1 (MCFINT0_VECBASE + MCFINT0_FECTX1)
+#define MCF_IRQ_FECENTC1 (MCFINT0_VECBASE + MCFINT0_FECENTC1)
+/*
+ * I2C modules.
+ */
+#define MCFI2C_BASE0 0xfc058000
+#define MCFI2C_SIZE0 0x20
+#define MCFI2C_BASE1 0xfc038000
+#define MCFI2C_SIZE1 0x20
+#define MCFI2C_BASE2 0xec010000
+#define MCFI2C_SIZE2 0x20
+#define MCFI2C_BASE3 0xec014000
+#define MCFI2C_SIZE3 0x20
+#define MCFI2C_BASE4 0xec018000
+#define MCFI2C_SIZE4 0x20
+#define MCFI2C_BASE5 0xec01c000
+#define MCFI2C_SIZE5 0x20
+
+#define MCF_IRQ_I2C0 (MCFINT0_VECBASE + MCFINT0_I2C0)
+#define MCF_IRQ_I2C1 (MCFINT1_VECBASE + MCFINT1_I2C1)
+#define MCF_IRQ_I2C2 (MCFINT1_VECBASE + MCFINT1_I2C2)
+#define MCF_IRQ_I2C3 (MCFINT1_VECBASE + MCFINT1_I2C3)
+#define MCF_IRQ_I2C4 (MCFINT1_VECBASE + MCFINT1_I2C4)
+#define MCF_IRQ_I2C5 (MCFINT1_VECBASE + MCFINT1_I2C5)
+/*
+ * EPORT Module.
+ */
+#define MCFEPORT_EPPAR 0xfc090000
+#define MCFEPORT_EPIER 0xfc090003
+#define MCFEPORT_EPFR 0xfc090006
+
+/*
+ * GPIO Module.
+ */
+#define MCFGPIO_PODR_A 0xec094000
+#define MCFGPIO_PODR_B 0xec094001
+#define MCFGPIO_PODR_C 0xec094002
+#define MCFGPIO_PODR_D 0xec094003
+#define MCFGPIO_PODR_E 0xec094004
+#define MCFGPIO_PODR_F 0xec094005
+#define MCFGPIO_PODR_G 0xec094006
+#define MCFGPIO_PODR_H 0xec094007
+#define MCFGPIO_PODR_I 0xec094008
+#define MCFGPIO_PODR_J 0xec094009
+#define MCFGPIO_PODR_K 0xec09400a
+
+#define MCFGPIO_PDDR_A 0xec09400c
+#define MCFGPIO_PDDR_B 0xec09400d
+#define MCFGPIO_PDDR_C 0xec09400e
+#define MCFGPIO_PDDR_D 0xec09400f
+#define MCFGPIO_PDDR_E 0xec094010
+#define MCFGPIO_PDDR_F 0xec094011
+#define MCFGPIO_PDDR_G 0xec094012
+#define MCFGPIO_PDDR_H 0xec094013
+#define MCFGPIO_PDDR_I 0xec094014
+#define MCFGPIO_PDDR_J 0xec094015
+#define MCFGPIO_PDDR_K 0xec094016
+
+#define MCFGPIO_PPDSDR_A 0xec094018
+#define MCFGPIO_PPDSDR_B 0xec094019
+#define MCFGPIO_PPDSDR_C 0xec09401a
+#define MCFGPIO_PPDSDR_D 0xec09401b
+#define MCFGPIO_PPDSDR_E 0xec09401c
+#define MCFGPIO_PPDSDR_F 0xec09401d
+#define MCFGPIO_PPDSDR_G 0xec09401e
+#define MCFGPIO_PPDSDR_H 0xec09401f
+#define MCFGPIO_PPDSDR_I 0xec094020
+#define MCFGPIO_PPDSDR_J 0xec094021
+#define MCFGPIO_PPDSDR_K 0xec094022
+
+#define MCFGPIO_PCLRR_A 0xec094024
+#define MCFGPIO_PCLRR_B 0xec094025
+#define MCFGPIO_PCLRR_C 0xec094026
+#define MCFGPIO_PCLRR_D 0xec094027
+#define MCFGPIO_PCLRR_E 0xec094028
+#define MCFGPIO_PCLRR_F 0xec094029
+#define MCFGPIO_PCLRR_G 0xec09402a
+#define MCFGPIO_PCLRR_H 0xec09402b
+#define MCFGPIO_PCLRR_I 0xec09402c
+#define MCFGPIO_PCLRR_J 0xec09402d
+#define MCFGPIO_PCLRR_K 0xec09402e
+
+#define MCFGPIO_PAR_FBCTL 0xec094048
+#define MCFGPIO_PAR_BE 0xec094049
+#define MCFGPIO_PAR_CS 0xec09404a
+#define MCFGPIO_PAR_CANI2C 0xec09404b
+#define MCFGPIO_PAR_IRQ0H 0xec09404c
+#define MCFGPIO_PAR_IRQ0L 0xec09404d
+#define MCFGPIO_PAR_DSPIOWH 0xec09404e
+#define MCFGPIO_PAR_DSPIOWL 0xec09404f
+#define MCFGPIO_PAR_TIMER 0xec094050
+#define MCFGPIO_PAR_UART2 0xec094051
+#define MCFGPIO_PAR_UART1 0xec094052
+#define MCFGPIO_PAR_UART0 0xec094053
+#define MCFGPIO_PAR_SDHCH 0xec094054
+#define MCFGPIO_PAR_SDHCL 0xec094055
+#define MCFGPIO_PAR_SIMP0H 0xec094056
+#define MCFGPIO_PAR_SIMP0L 0xec094057
+#define MCFGPIO_PAR_SSI0H 0xec094058
+#define MCFGPIO_PAR_SSI0L 0xec094059
+#define MCFGPIO_PAR_DEBUGH1 0xec09405a
+#define MCFGPIO_PAR_DEBUGH0 0xec09405b
+#define MCFGPIO_PAR_DEBUGl 0xec09405c
+#define MCFGPIO_PAR_FEC 0xec09405e
+
+/* generalization for generic gpio support */
+#define MCFGPIO_PODR MCFGPIO_PODR_A
+#define MCFGPIO_PDDR MCFGPIO_PDDR_A
+#define MCFGPIO_PPDR MCFGPIO_PPDSDR_A
+#define MCFGPIO_SETR MCFGPIO_PPDSDR_A
+#define MCFGPIO_CLRR MCFGPIO_PCLRR_A
+
+#define MCFGPIO_IRQ_MIN 17
+#define MCFGPIO_IRQ_MAX 24
+#define MCFGPIO_IRQ_VECBASE (MCFINT_VECBASE - MCFGPIO_IRQ_MIN)
+#define MCFGPIO_PIN_MAX 87
+
+#endif /* m5441xsim_h */
#define ICACHE_SIZE 0x8000 /* instruction - 32k */
#define DCACHE_SIZE 0x8000 /* data - 32k */
+#elif defined(CONFIG_M5441x)
+
+#define ICACHE_SIZE 0x2000 /* instruction - 8k */
+#define DCACHE_SIZE 0x2000 /* data - 8k */
#endif
#define CACHE_LINE_SIZE 0x0010 /* 16 bytes */
--- /dev/null
+/*
+ * mcfclk.h -- coldfire specific clock structure
+ */
+
+
+#ifndef mcfclk_h
+#define mcfclk_h
+
+struct clk;
+
+#ifdef MCFPM_PPMCR0
+struct clk_ops {
+ void (*enable)(struct clk *);
+ void (*disable)(struct clk *);
+};
+
+struct clk {
+ const char *name;
+ struct clk_ops *clk_ops;
+ unsigned long rate;
+ unsigned long enabled;
+ u8 slot;
+};
+
+extern struct clk *mcf_clks[];
+extern struct clk_ops clk_ops0;
+#ifdef MCFPM_PPMCR1
+extern struct clk_ops clk_ops1;
+#endif /* MCFPM_PPMCR1 */
+
+#define DEFINE_CLK(clk_bank, clk_name, clk_slot, clk_rate) \
+static struct clk __clk_##clk_bank##_##clk_slot = { \
+ .name = clk_name, \
+ .clk_ops = &clk_ops##clk_bank, \
+ .rate = clk_rate, \
+ .slot = clk_slot, \
+}
+
+void __clk_init_enabled(struct clk *);
+void __clk_init_disabled(struct clk *);
+#endif /* MCFPM_PPMCR0 */
+
+#endif /* mcfclk_h */
#if defined(CONFIG_M5206) || defined(CONFIG_M5206e) || \
defined(CONFIG_M520x) || defined(CONFIG_M523x) || \
defined(CONFIG_M527x) || defined(CONFIG_M528x) || \
- defined(CONFIG_M532x) || defined(CONFIG_M54xx)
+ defined(CONFIG_M532x) || defined(CONFIG_M54xx) || \
+ defined(CONFIG_M5441x)
/* These parts have GPIO organized by 8 bit ports */
#define mcfgpio_port(gpio) ((gpio) / MCFGPIO_PORTSIZE)
#if defined(CONFIG_M520x) || defined(CONFIG_M523x) || \
- defined(CONFIG_M527x) || defined(CONFIG_M528x) || defined(CONFIG_M532x)
+ defined(CONFIG_M527x) || defined(CONFIG_M528x) || \
+ defined(CONFIG_M532x) || defined(CONFIG_M5441x)
/*
* These parts have an 'Edge' Port module (external interrupt/GPIO) which uses
* read-modify-write to change an output and a GPIO module which has separate
* read-modify-write as well as those controlled by the EPORT and GPIO modules.
*/
#define MCFGPIO_SCR_START 40
+#elif defined(CONFIGM5441x)
+/* The m5441x EPORT doesn't have its own GPIO port, uses PORT C */
+#define MCFGPIO_SCR_START 0
#else
#define MCFGPIO_SCR_START 8
#endif
else
return MCFSIM2_GPIO1READ;
#elif defined(CONFIG_M520x) || defined(CONFIG_M523x) || \
- defined(CONFIG_M527x) || defined(CONFIG_M528x) || defined(CONFIG_M532x)
+ defined(CONFIG_M527x) || defined(CONFIG_M528x) || \
+ defined(CONFIG_M532x) || defined(CONFIG_M5441x)
+#if !defined(CONFIG_M5441x)
if (gpio < 8)
return MCFEPORT_EPPDR;
#if defined(CONFIG_M528x)
return MCFQADC_PORTQA;
else if (gpio < 40)
return MCFQADC_PORTQB;
-#endif
+#endif /* defined(CONFIG_M528x) */
else
+#endif /* !defined(CONFIG_M5441x) */
return MCFGPIO_PPDR + mcfgpio_port(gpio - MCFGPIO_SCR_START);
#else
return 0;
else
return MCFSIM2_GPIO1WRITE;
#elif defined(CONFIG_M520x) || defined(CONFIG_M523x) || \
- defined(CONFIG_M527x) || defined(CONFIG_M528x) || defined(CONFIG_M532x)
+ defined(CONFIG_M527x) || defined(CONFIG_M528x) || \
+ defined(CONFIG_M532x) || defined(CONFIG_M5441x)
+#if !defined(CONFIG_M5441x)
if (gpio < 8)
return MCFEPORT_EPDR;
#if defined(CONFIG_M528x)
return MCFQADC_PORTQA;
else if (gpio < 40)
return MCFQADC_PORTQB;
-#endif
+#endif /* defined(CONFIG_M528x) */
else
+#endif /* !defined(CONFIG_M5441x) */
return MCFGPIO_PODR + mcfgpio_port(gpio - MCFGPIO_SCR_START);
#else
return 0;
else
return MCFSIM2_GPIO1ENABLE;
#elif defined(CONFIG_M520x) || defined(CONFIG_M523x) || \
- defined(CONFIG_M527x) || defined(CONFIG_M528x) || defined(CONFIG_M532x)
+ defined(CONFIG_M527x) || defined(CONFIG_M528x) || \
+ defined(CONFIG_M532x) || defined(CONFIG_M5441x)
+#if !defined(CONFIG_M5441x)
if (gpio < 8)
return MCFEPORT_EPDDR;
#if defined(CONFIG_M528x)
return MCFQADC_DDRQA;
else if (gpio < 40)
return MCFQADC_DDRQB;
-#endif
+#endif /* defined(CONFIG_M528x) */
else
+#endif /* !defined(CONFIG_M5441x) */
return MCFGPIO_PDDR + mcfgpio_port(gpio - MCFGPIO_SCR_START);
#else
return 0;
#include <asm/mcfintc.h>
#elif defined(CONFIG_M54xx)
#include <asm/m54xxsim.h>
+#elif defined(CONFIG_M5441x)
+#include <asm/m5441xsim.h>
#endif
/****************************************************************************/
#define MCFTIMER_TRR 0x04 /* Timer Reference (r/w) */
#define MCFTIMER_TCR 0x08 /* Timer Capture reg (r/w) */
#define MCFTIMER_TCN 0x0C /* Timer Counter reg (r/w) */
-#if defined(CONFIG_M532x)
+#if defined(CONFIG_M532x) || defined(CONFIG_M5441x)
#define MCFTIMER_TER 0x03 /* Timer Event reg (r/w) */
#else
#define MCFTIMER_TER 0x11 /* Timer Event reg (r/w) */
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-$(CONFIG_M5441x) += m5441x.o pit.o intc-simr.o reset.o
obj-$(CONFIG_NETtel) += nettel.o
obj-$(CONFIG_CLEOPATRA) += nettel.o
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/mutex.h>
#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/err.h>
#include <asm/coldfire.h>
+#include <asm/mcfsim.h>
+#include <asm/mcfclk.h>
/***************************************************************************/
-
+#ifndef MCFPM_PPMCR0
struct clk *clk_get(struct device *dev, const char *id)
{
return NULL;
}
EXPORT_SYMBOL(devm_clk_get);
+#else
+static DEFINE_SPINLOCK(clk_lock);
+
+struct clk *clk_get(struct device *dev, const char *id)
+{
+ const char *clk_name = dev ? dev_name(dev) : id ? id : NULL;
+ struct clk *clk;
+ unsigned i;
+
+ for (i = 0; (clk = mcf_clks[i]) != NULL; ++i)
+ if (!strcmp(clk->name, clk_name))
+ return clk;
+ pr_warn("clk_get: didn't find clock %s\n", clk_name);
+ return ERR_PTR(-ENOENT);
+}
+EXPORT_SYMBOL(clk_get);
+
+int clk_enable(struct clk *clk)
+{
+ unsigned long flags;
+ spin_lock_irqsave(&clk_lock, flags);
+ if ((clk->enabled++ == 0) && clk->clk_ops)
+ clk->clk_ops->enable(clk);
+ spin_unlock_irqrestore(&clk_lock, flags);
+
+ return 0;
+}
+EXPORT_SYMBOL(clk_enable);
+
+void clk_disable(struct clk *clk)
+{
+ unsigned long flags;
+ spin_lock_irqsave(&clk_lock, flags);
+ if ((--clk->enabled == 0) && clk->clk_ops)
+ clk->clk_ops->disable(clk);
+ spin_unlock_irqrestore(&clk_lock, flags);
+}
+EXPORT_SYMBOL(clk_disable);
+
+void clk_put(struct clk *clk)
+{
+ if (clk->enabled != 0)
+ pr_warn("clk_put %s still enabled\n", clk->name);
+}
+EXPORT_SYMBOL(clk_put);
+
+unsigned long clk_get_rate(struct clk *clk)
+{
+ return clk->rate;
+}
+EXPORT_SYMBOL(clk_get_rate);
+
/***************************************************************************/
+
+void __clk_init_enabled(struct clk *clk)
+{
+ clk->enabled = 1;
+ clk->clk_ops->enable(clk);
+}
+
+void __clk_init_disabled(struct clk *clk)
+{
+ clk->enabled = 0;
+ clk->clk_ops->disable(clk);
+}
+
+static void __clk_enable0(struct clk *clk)
+{
+ __raw_writeb(clk->slot, MCFPM_PPMCR0);
+}
+
+static void __clk_disable0(struct clk *clk)
+{
+ __raw_writeb(clk->slot, MCFPM_PPMSR0);
+}
+
+struct clk_ops clk_ops0 = {
+ .enable = __clk_enable0,
+ .disable = __clk_disable0,
+};
+
+#ifdef MCFPM_PPMCR1
+static void __clk_enable1(struct clk *clk)
+{
+ __raw_writeb(clk->slot, MCFPM_PPMCR1);
+}
+
+static void __clk_disable1(struct clk *clk)
+{
+ __raw_writeb(clk->slot, MCFPM_PPMSR1);
+}
+
+struct clk_ops clk_ops1 = {
+ .enable = __clk_enable1,
+ .disable = __clk_disable1,
+};
+#endif /* MCFPM_PPMCR1 */
+#endif /* MCFPM_PPMCR0 */
#include <linux/io.h>
#include <linux/spi/spi.h>
#include <linux/gpio.h>
+#include <linux/fec.h>
#include <asm/traps.h>
#include <asm/coldfire.h>
#include <asm/mcfsim.h>
#include <asm/mcfqspi.h>
/*
- * All current ColdFire parts contain from 2, 3 or 4 UARTS.
+ * All current ColdFire parts contain from 2, 3, 4 or 10 UARTS.
*/
static struct mcf_platform_uart mcf_uart_platform_data[] = {
{
.mapbase = MCFUART_BASE3,
.irq = MCF_IRQ_UART3,
},
+#endif
+#ifdef MCFUART_BASE4
+ {
+ .mapbase = MCFUART_BASE4,
+ .irq = MCF_IRQ_UART4,
+ },
+#endif
+#ifdef MCFUART_BASE5
+ {
+ .mapbase = MCFUART_BASE5,
+ .irq = MCF_IRQ_UART5,
+ },
+#endif
+#ifdef MCFUART_BASE6
+ {
+ .mapbase = MCFUART_BASE6,
+ .irq = MCF_IRQ_UART6,
+ },
+#endif
+#ifdef MCFUART_BASE7
+ {
+ .mapbase = MCFUART_BASE7,
+ .irq = MCF_IRQ_UART7,
+ },
+#endif
+#ifdef MCFUART_BASE8
+ {
+ .mapbase = MCFUART_BASE8,
+ .irq = MCF_IRQ_UART8,
+ },
+#endif
+#ifdef MCFUART_BASE9
+ {
+ .mapbase = MCFUART_BASE9,
+ .irq = MCF_IRQ_UART9,
+ },
#endif
{ },
};
};
#ifdef CONFIG_FEC
+
+#ifdef CONFIG_M5441x
+#define FEC_NAME "enet-fec"
+static struct fec_platform_data fec_pdata = {
+ .phy = PHY_INTERFACE_MODE_RMII,
+};
+#define FEC_PDATA (&fec_pdata)
+#else
+#define FEC_NAME "fec"
+#define FEC_PDATA NULL
+#endif
+
/*
* Some ColdFire cores contain the Fast Ethernet Controller (FEC)
* block. It is Freescale's own hardware block. Some ColdFires
};
static struct platform_device mcf_fec0 = {
- .name = "fec",
+ .name = FEC_NAME,
.id = 0,
.num_resources = ARRAY_SIZE(mcf_fec0_resources),
.resource = mcf_fec0_resources,
+ .dev.platform_data = FEC_PDATA,
};
#ifdef MCFFEC_BASE1
};
static struct platform_device mcf_fec1 = {
- .name = "fec",
+ .name = FEC_NAME,
.id = 1,
.num_resources = ARRAY_SIZE(mcf_fec1_resources),
.resource = mcf_fec1_resources,
+ .dev.platform_data = FEC_PDATA,
};
#endif /* MCFFEC_BASE1 */
#endif /* CONFIG_FEC */
#endif
/*
- * There maybe one or two interrupt control units, each has 64
- * interrupts. If there is no second unit then MCFINTC1_* defines
- * will be 0 (and code for them optimized away).
+ * There maybe one, two or three interrupt control units, each has 64
+ * interrupts. If there is no second or third unit then MCFINTC1_* or
+ * MCFINTC2_* defines will be 0 (and code for them optimized away).
*/
static void intc_irq_mask(struct irq_data *d)
{
unsigned int irq = d->irq - MCFINT_VECBASE;
- if (MCFINTC1_SIMR && (irq > 64))
+ if (MCFINTC2_SIMR && (irq > 128))
+ __raw_writeb(irq - 128, MCFINTC2_SIMR);
+ else if (MCFINTC1_SIMR && (irq > 64))
__raw_writeb(irq - 64, MCFINTC1_SIMR);
else
__raw_writeb(irq, MCFINTC0_SIMR);
{
unsigned int irq = d->irq - MCFINT_VECBASE;
- if (MCFINTC1_CIMR && (irq > 64))
+ if (MCFINTC2_CIMR && (irq > 128))
+ __raw_writeb(irq - 128, MCFINTC2_CIMR);
+ else if (MCFINTC1_CIMR && (irq > 64))
__raw_writeb(irq - 64, MCFINTC1_CIMR);
else
__raw_writeb(irq, MCFINTC0_CIMR);
unsigned int ebit = irq2ebit(irq);
u8 v;
+#if defined(MCFEPORT_EPDDR)
/* Set EPORT line as input */
v = __raw_readb(MCFEPORT_EPDDR);
__raw_writeb(v & ~(0x1 << ebit), MCFEPORT_EPDDR);
+#endif
/* Set EPORT line as interrupt source */
v = __raw_readb(MCFEPORT_EPIER);
}
irq -= MCFINT_VECBASE;
- if (MCFINTC1_ICR0 && (irq > 64))
+ if (MCFINTC2_ICR0 && (irq > 128))
+ __raw_writeb(5, MCFINTC2_ICR0 + irq - 128);
+ else if (MCFINTC1_ICR0 && (irq > 64))
__raw_writeb(5, MCFINTC1_ICR0 + irq - 64);
else
__raw_writeb(5, MCFINTC0_ICR0 + irq);
-
intc_irq_unmask(d);
return 0;
}
__raw_writeb(0xff, MCFINTC0_SIMR);
if (MCFINTC1_SIMR)
__raw_writeb(0xff, MCFINTC1_SIMR);
+ if (MCFINTC2_SIMR)
+ __raw_writeb(0xff, MCFINTC2_SIMR);
- eirq = MCFINT_VECBASE + 64 + (MCFINTC1_ICR0 ? 64 : 0);
+ eirq = MCFINT_VECBASE + 64 + (MCFINTC1_ICR0 ? 64 : 0) +
+ (MCFINTC2_ICR0 ? 64 : 0);
for (irq = MCFINT_VECBASE; (irq < eirq); irq++) {
if ((irq >= EINT1) && (irq <= EINT7))
irq_set_chip(irq, &intc_irq_chip_edge_port);
--- /dev/null
+/*
+ * m5441x.c -- support for Coldfire m5441x processors
+ *
+ * (C) Copyright Steven King <sfking@fdwdc.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/param.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <asm/machdep.h>
+#include <asm/coldfire.h>
+#include <asm/mcfsim.h>
+#include <asm/mcfuart.h>
+#include <asm/mcfdma.h>
+#include <asm/mcfclk.h>
+
+DEFINE_CLK(0, "flexbus", 2, MCF_CLK);
+DEFINE_CLK(0, "mcfcan.0", 8, MCF_CLK);
+DEFINE_CLK(0, "mcfcan.1", 9, MCF_CLK);
+DEFINE_CLK(0, "mcfi2c.1", 14, MCF_CLK);
+DEFINE_CLK(0, "mcfdspi.1", 15, MCF_CLK);
+DEFINE_CLK(0, "edma", 17, MCF_CLK);
+DEFINE_CLK(0, "intc.0", 18, MCF_CLK);
+DEFINE_CLK(0, "intc.1", 19, MCF_CLK);
+DEFINE_CLK(0, "intc.2", 20, MCF_CLK);
+DEFINE_CLK(0, "mcfi2c.0", 22, MCF_CLK);
+DEFINE_CLK(0, "mcfdspi.0", 23, MCF_CLK);
+DEFINE_CLK(0, "mcfuart.0", 24, MCF_BUSCLK);
+DEFINE_CLK(0, "mcfuart.1", 25, MCF_BUSCLK);
+DEFINE_CLK(0, "mcfuart.2", 26, MCF_BUSCLK);
+DEFINE_CLK(0, "mcfuart.3", 27, MCF_BUSCLK);
+DEFINE_CLK(0, "mcftmr.0", 28, MCF_CLK);
+DEFINE_CLK(0, "mcftmr.1", 29, MCF_CLK);
+DEFINE_CLK(0, "mcftmr.2", 30, MCF_CLK);
+DEFINE_CLK(0, "mcftmr.3", 31, MCF_CLK);
+DEFINE_CLK(0, "mcfpit.0", 32, MCF_CLK);
+DEFINE_CLK(0, "mcfpit.1", 33, MCF_CLK);
+DEFINE_CLK(0, "mcfpit.2", 34, MCF_CLK);
+DEFINE_CLK(0, "mcfpit.3", 35, MCF_CLK);
+DEFINE_CLK(0, "mcfeport.0", 37, MCF_CLK);
+DEFINE_CLK(0, "mcfadc.0", 38, MCF_CLK);
+DEFINE_CLK(0, "mcfdac.0", 39, MCF_CLK);
+DEFINE_CLK(0, "mcfrtc.0", 42, MCF_CLK);
+DEFINE_CLK(0, "mcfsim.0", 43, MCF_CLK);
+DEFINE_CLK(0, "mcfusb-otg.0", 44, MCF_CLK);
+DEFINE_CLK(0, "mcfusb-host.0", 45, MCF_CLK);
+DEFINE_CLK(0, "mcfddr-sram.0", 46, MCF_CLK);
+DEFINE_CLK(0, "mcfssi.0", 47, MCF_CLK);
+DEFINE_CLK(0, "pll.0", 48, MCF_CLK);
+DEFINE_CLK(0, "mcfrng.0", 49, MCF_CLK);
+DEFINE_CLK(0, "mcfssi.1", 50, MCF_CLK);
+DEFINE_CLK(0, "mcfsdhc.0", 51, MCF_CLK);
+DEFINE_CLK(0, "enet-fec.0", 53, MCF_CLK);
+DEFINE_CLK(0, "enet-fec.1", 54, MCF_CLK);
+DEFINE_CLK(0, "switch.0", 55, MCF_CLK);
+DEFINE_CLK(0, "switch.1", 56, MCF_CLK);
+DEFINE_CLK(0, "nand.0", 63, MCF_CLK);
+
+DEFINE_CLK(1, "mcfow.0", 2, MCF_CLK);
+DEFINE_CLK(1, "mcfi2c.2", 4, MCF_CLK);
+DEFINE_CLK(1, "mcfi2c.3", 5, MCF_CLK);
+DEFINE_CLK(1, "mcfi2c.4", 6, MCF_CLK);
+DEFINE_CLK(1, "mcfi2c.5", 7, MCF_CLK);
+DEFINE_CLK(1, "mcfuart.4", 24, MCF_BUSCLK);
+DEFINE_CLK(1, "mcfuart.5", 25, MCF_BUSCLK);
+DEFINE_CLK(1, "mcfuart.6", 26, MCF_BUSCLK);
+DEFINE_CLK(1, "mcfuart.7", 27, MCF_BUSCLK);
+DEFINE_CLK(1, "mcfuart.8", 28, MCF_BUSCLK);
+DEFINE_CLK(1, "mcfuart.9", 29, MCF_BUSCLK);
+DEFINE_CLK(1, "mcfpwm.0", 34, MCF_BUSCLK);
+DEFINE_CLK(1, "sys.0", 36, MCF_BUSCLK);
+DEFINE_CLK(1, "gpio.0", 37, MCF_BUSCLK);
+
+struct clk *mcf_clks[] = {
+ &__clk_0_2,
+ &__clk_0_8,
+ &__clk_0_9,
+ &__clk_0_14,
+ &__clk_0_15,
+ &__clk_0_17,
+ &__clk_0_18,
+ &__clk_0_19,
+ &__clk_0_20,
+ &__clk_0_22,
+ &__clk_0_23,
+ &__clk_0_24,
+ &__clk_0_25,
+ &__clk_0_26,
+ &__clk_0_27,
+ &__clk_0_28,
+ &__clk_0_29,
+ &__clk_0_30,
+ &__clk_0_31,
+ &__clk_0_32,
+ &__clk_0_33,
+ &__clk_0_34,
+ &__clk_0_35,
+ &__clk_0_37,
+ &__clk_0_38,
+ &__clk_0_39,
+ &__clk_0_42,
+ &__clk_0_43,
+ &__clk_0_44,
+ &__clk_0_45,
+ &__clk_0_46,
+ &__clk_0_47,
+ &__clk_0_48,
+ &__clk_0_49,
+ &__clk_0_50,
+ &__clk_0_51,
+ &__clk_0_53,
+ &__clk_0_54,
+ &__clk_0_55,
+ &__clk_0_56,
+ &__clk_0_63,
+
+ &__clk_1_2,
+ &__clk_1_4,
+ &__clk_1_5,
+ &__clk_1_6,
+ &__clk_1_7,
+ &__clk_1_24,
+ &__clk_1_25,
+ &__clk_1_26,
+ &__clk_1_27,
+ &__clk_1_28,
+ &__clk_1_29,
+ &__clk_1_34,
+ &__clk_1_36,
+ &__clk_1_37,
+ NULL,
+};
+
+
+static struct clk * const enable_clks[] __initconst = {
+ /* make sure these clocks are enabled */
+ &__clk_0_18, /* intc0 */
+ &__clk_0_19, /* intc0 */
+ &__clk_0_20, /* intc0 */
+ &__clk_0_24, /* uart0 */
+ &__clk_0_25, /* uart1 */
+ &__clk_0_26, /* uart2 */
+ &__clk_0_27, /* uart3 */
+
+ &__clk_0_33, /* pit.1 */
+ &__clk_0_37, /* eport */
+ &__clk_0_48, /* pll */
+
+ &__clk_1_36, /* CCM/reset module/Power management */
+ &__clk_1_37, /* gpio */
+};
+static struct clk * const disable_clks[] __initconst = {
+ &__clk_0_8, /* can.0 */
+ &__clk_0_9, /* can.1 */
+ &__clk_0_14, /* i2c.1 */
+ &__clk_0_15, /* dspi.1 */
+ &__clk_0_17, /* eDMA */
+ &__clk_0_22, /* i2c.0 */
+ &__clk_0_23, /* dspi.0 */
+ &__clk_0_28, /* tmr.1 */
+ &__clk_0_29, /* tmr.2 */
+ &__clk_0_30, /* tmr.2 */
+ &__clk_0_31, /* tmr.3 */
+ &__clk_0_32, /* pit.0 */
+ &__clk_0_34, /* pit.2 */
+ &__clk_0_35, /* pit.3 */
+ &__clk_0_38, /* adc */
+ &__clk_0_39, /* dac */
+ &__clk_0_44, /* usb otg */
+ &__clk_0_45, /* usb host */
+ &__clk_0_47, /* ssi.0 */
+ &__clk_0_49, /* rng */
+ &__clk_0_50, /* ssi.1 */
+ &__clk_0_51, /* eSDHC */
+ &__clk_0_53, /* enet-fec */
+ &__clk_0_54, /* enet-fec */
+ &__clk_0_55, /* switch.0 */
+ &__clk_0_56, /* switch.1 */
+
+ &__clk_1_2, /* 1-wire */
+ &__clk_1_4, /* i2c.2 */
+ &__clk_1_5, /* i2c.3 */
+ &__clk_1_6, /* i2c.4 */
+ &__clk_1_7, /* i2c.5 */
+ &__clk_1_24, /* uart 4 */
+ &__clk_1_25, /* uart 5 */
+ &__clk_1_26, /* uart 6 */
+ &__clk_1_27, /* uart 7 */
+ &__clk_1_28, /* uart 8 */
+ &__clk_1_29, /* uart 9 */
+};
+
+static void __init m5441x_clk_init(void)
+{
+ unsigned i;
+
+ for (i = 0; i < ARRAY_SIZE(enable_clks); ++i)
+ __clk_init_enabled(enable_clks[i]);
+ /* make sure these clocks are disabled */
+ for (i = 0; i < ARRAY_SIZE(disable_clks); ++i)
+ __clk_init_disabled(disable_clks[i]);
+}
+
+static void __init m5441x_uarts_init(void)
+{
+ __raw_writeb(0x0f, MCFGPIO_PAR_UART0);
+ __raw_writeb(0x00, MCFGPIO_PAR_UART1);
+ __raw_writeb(0x00, MCFGPIO_PAR_UART2);
+}
+
+static void __init m5441x_fec_init(void)
+{
+ __raw_writeb(0x03, MCFGPIO_PAR_FEC);
+}
+
+void __init config_BSP(char *commandp, int size)
+{
+ m5441x_clk_init();
+ mach_sched_init = hw_timer_init;
+ m5441x_uarts_init();
+ m5441x_fec_init();
+}
*/
void coldfire_profile_init(void);
-#if defined(CONFIG_M532x)
+#if defined(CONFIG_M532x) || defined(CONFIG_M5441x)
#define __raw_readtrr __raw_readl
#define __raw_writetrr __raw_writel
#else
projects / firefly-linux-kernel-4.4.55.git / commitdiff