diff options
Diffstat (limited to 'arch/m68k')
| -rw-r--r-- | arch/m68k/Kconfig.cpu | 8 | ||||
| -rw-r--r-- | arch/m68k/Makefile | 1 | ||||
| -rw-r--r-- | arch/m68k/include/asm/gpio.h | 10 | ||||
| -rw-r--r-- | arch/m68k/include/asm/m5441xsim.h | 270 | ||||
| -rw-r--r-- | arch/m68k/include/asm/m54xxacr.h | 4 | ||||
| -rw-r--r-- | arch/m68k/include/asm/mcfclk.h | 43 | ||||
| -rw-r--r-- | arch/m68k/include/asm/mcfgpio.h | 30 | ||||
| -rw-r--r-- | arch/m68k/include/asm/mcfsim.h | 2 | ||||
| -rw-r--r-- | arch/m68k/include/asm/mcftimer.h | 2 | ||||
| -rw-r--r-- | arch/m68k/platform/coldfire/Makefile | 1 | ||||
| -rw-r--r-- | arch/m68k/platform/coldfire/clk.c | 105 | ||||
| -rw-r--r-- | arch/m68k/platform/coldfire/device.c | 57 | ||||
| -rw-r--r-- | arch/m68k/platform/coldfire/intc-simr.c | 26 | ||||
| -rw-r--r-- | arch/m68k/platform/coldfire/m5441x.c | 224 | ||||
| -rw-r--r-- | arch/m68k/platform/coldfire/timers.c | 2 |
15 files changed, 761 insertions, 24 deletions
diff --git a/arch/m68k/Kconfig.cpu b/arch/m68k/Kconfig.cpu index 8d9afb09f569..43a9f8f1b8eb 100644 --- a/arch/m68k/Kconfig.cpu +++ b/arch/m68k/Kconfig.cpu @@ -261,6 +261,14 @@ config M548x 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 diff --git a/arch/m68k/Makefile b/arch/m68k/Makefile index 8daf9697e5e2..7636751f2f87 100644 --- a/arch/m68k/Makefile +++ b/arch/m68k/Makefile @@ -41,6 +41,7 @@ cpuflags-$(CONFIG_M68030) := cpuflags-$(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) diff --git a/arch/m68k/include/asm/gpio.h b/arch/m68k/include/asm/gpio.h index 530862207ecf..4395ffc51fdb 100644 --- a/arch/m68k/include/asm/gpio.h +++ b/arch/m68k/include/asm/gpio.h @@ -64,8 +64,14 @@ static inline void gpio_set_value(unsigned gpio, int value) 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) diff --git a/arch/m68k/include/asm/m5441xsim.h b/arch/m68k/include/asm/m5441xsim.h new file mode 100644 index 000000000000..86315a96604d --- /dev/null +++ b/arch/m68k/include/asm/m5441xsim.h @@ -0,0 +1,270 @@ +/* + * 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 */ diff --git a/arch/m68k/include/asm/m54xxacr.h b/arch/m68k/include/asm/m54xxacr.h index 47906aafbf67..192bbfeabf70 100644 --- a/arch/m68k/include/asm/m54xxacr.h +++ b/arch/m68k/include/asm/m54xxacr.h @@ -55,6 +55,10 @@ #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 */ diff --git a/arch/m68k/include/asm/mcfclk.h b/arch/m68k/include/asm/mcfclk.h new file mode 100644 index 000000000000..b676a02bb392 --- /dev/null +++ b/arch/m68k/include/asm/mcfclk.h @@ -0,0 +1,43 @@ +/* + * 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 */ diff --git a/arch/m68k/include/asm/mcfgpio.h b/arch/m68k/include/asm/mcfgpio.h index b2471a5f02eb..fa1059f50dfc 100644 --- a/arch/m68k/include/asm/mcfgpio.h +++ b/arch/m68k/include/asm/mcfgpio.h @@ -104,7 +104,8 @@ static inline void gpio_free(unsigned gpio) #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 */ @@ -137,7 +138,8 @@ static inline void gpio_free(unsigned gpio) #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 @@ -149,6 +151,9 @@ static inline void gpio_free(unsigned gpio) * 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 @@ -189,7 +194,9 @@ static inline u32 __mcfgpio_ppdr(unsigned gpio) 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) @@ -201,8 +208,9 @@ static inline u32 __mcfgpio_ppdr(unsigned gpio) 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; @@ -228,7 +236,9 @@ static inline u32 __mcfgpio_podr(unsigned gpio) 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) @@ -240,8 +250,9 @@ static inline u32 __mcfgpio_podr(unsigned gpio) 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; @@ -267,7 +278,9 @@ static inline u32 __mcfgpio_pddr(unsigned gpio) 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) @@ -279,8 +292,9 @@ static inline u32 __mcfgpio_pddr(unsigned gpio) 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; diff --git a/arch/m68k/include/asm/mcfsim.h b/arch/m68k/include/asm/mcfsim.h index 6871f62b11b1..7a83e619e73b 100644 --- a/arch/m68k/include/asm/mcfsim.h +++ b/arch/m68k/include/asm/mcfsim.h @@ -46,6 +46,8 @@ #include <asm/mcfintc.h> #elif defined(CONFIG_M54xx) #include <asm/m54xxsim.h> +#elif defined(CONFIG_M5441x) +#include <asm/m5441xsim.h> #endif /****************************************************************************/ diff --git a/arch/m68k/include/asm/mcftimer.h b/arch/m68k/include/asm/mcftimer.h index 351c27237874..da2fa43c2e45 100644 --- a/arch/m68k/include/asm/mcftimer.h +++ b/arch/m68k/include/asm/mcftimer.h @@ -19,7 +19,7 @@ #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) */ diff --git a/arch/m68k/platform/coldfire/Makefile b/arch/m68k/platform/coldfire/Makefile index a7329b4fbef8..b3f8bfda52e2 100644 --- a/arch/m68k/platform/coldfire/Makefile +++ b/arch/m68k/platform/coldfire/Makefile @@ -28,6 +28,7 @@ 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_M5441x) += m5441x.o pit.o intc-simr.o reset.o obj-$(CONFIG_NETtel) += nettel.o obj-$(CONFIG_CLEOPATRA) += nettel.o diff --git a/arch/m68k/platform/coldfire/clk.c b/arch/m68k/platform/coldfire/clk.c index 44da406897e5..c06c0f4a0ffc 100644 --- a/arch/m68k/platform/coldfire/clk.c +++ b/arch/m68k/platform/coldfire/clk.c @@ -10,11 +10,17 @@ #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; @@ -49,4 +55,101 @@ struct clk *devm_clk_get(struct device *dev, const char *id) } 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 */ diff --git a/arch/m68k/platform/coldfire/device.c b/arch/m68k/platform/coldfire/device.c index 3aa77ddea89d..81f0fb5e51cf 100644 --- a/arch/m68k/platform/coldfire/device.c +++ b/arch/m68k/platform/coldfire/device.c @@ -13,6 +13,7 @@ #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> @@ -20,7 +21,7 @@ #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[] = { { @@ -43,6 +44,42 @@ static struct mcf_platform_uart mcf_uart_platform_data[] = { .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 { }, }; @@ -53,6 +90,18 @@ static struct platform_device mcf_uart = { }; #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 @@ -82,10 +131,11 @@ static struct resource mcf_fec0_resources[] = { }; 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 @@ -113,10 +163,11 @@ static struct resource mcf_fec1_resources[] = { }; 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 */ diff --git a/arch/m68k/platform/coldfire/intc-simr.c b/arch/m68k/platform/coldfire/intc-simr.c index 650d52e2927e..7cf2c156f72d 100644 --- a/arch/m68k/platform/coldfire/intc-simr.c +++ b/arch/m68k/platform/coldfire/intc-simr.c @@ -59,16 +59,18 @@ static unsigned int inline irq2ebit(unsigned int irq) #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); @@ -78,7 +80,9 @@ static void intc_irq_unmask(struct irq_data *d) { 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); @@ -99,9 +103,11 @@ static unsigned int intc_irq_startup(struct irq_data *d) 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); @@ -109,12 +115,13 @@ static unsigned int intc_irq_startup(struct irq_data *d) } 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; } @@ -175,8 +182,11 @@ void __init init_IRQ(void) __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); diff --git a/arch/m68k/platform/coldfire/m5441x.c b/arch/m68k/platform/coldfire/m5441x.c new file mode 100644 index 000000000000..3020ceaba629 --- /dev/null +++ b/arch/m68k/platform/coldfire/m5441x.c @@ -0,0 +1,224 @@ +/* + * 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(); +} diff --git a/arch/m68k/platform/coldfire/timers.c b/arch/m68k/platform/coldfire/timers.c index ed96ce50d79f..0a273e75408c 100644 --- a/arch/m68k/platform/coldfire/timers.c +++ b/arch/m68k/platform/coldfire/timers.c @@ -36,7 +36,7 @@ */ 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 |
