diff options
Diffstat (limited to 'arch/m68k/platform')
33 files changed, 1345 insertions, 326 deletions
diff --git a/arch/m68k/platform/68328/head-de2.S b/arch/m68k/platform/68328/head-de2.S index f632fdcb93e9..537d3245b539 100644 --- a/arch/m68k/platform/68328/head-de2.S +++ b/arch/m68k/platform/68328/head-de2.S @@ -60,8 +60,8 @@ _start: * Move ROM filesystem above bss :-) */ - moveal #_sbss, %a0 /* romfs at the start of bss */ - moveal #_ebss, %a1 /* Set up destination */ + moveal #__bss_start, %a0 /* romfs at the start of bss */ + moveal #__bss_stop, %a1 /* Set up destination */ movel %a0, %a2 /* Copy of bss start */ movel 8(%a0), %d1 /* Get size of ROMFS */ @@ -84,8 +84,8 @@ _start: * Initialize BSS segment to 0 */ - lea _sbss, %a0 - lea _ebss, %a1 + lea __bss_start, %a0 + lea __bss_stop, %a1 /* Copy 0 to %a0 until %a0 == %a1 */ 2: cmpal %a0, %a1 diff --git a/arch/m68k/platform/68328/head-pilot.S b/arch/m68k/platform/68328/head-pilot.S index 2ebfd6420818..45a9dad29e3d 100644 --- a/arch/m68k/platform/68328/head-pilot.S +++ b/arch/m68k/platform/68328/head-pilot.S @@ -110,7 +110,7 @@ L0: movel #CONFIG_VECTORBASE, %d7 addl #16, %d7 moveal %d7, %a0 - moveal #_ebss, %a1 + moveal #__bss_stop, %a1 lea %a1@(512), %a2 DBG_PUTC('C') @@ -138,8 +138,8 @@ LD1: DBG_PUTC('E') - moveal #_sbss, %a0 - moveal #_ebss, %a1 + moveal #__bss_start, %a0 + moveal #__bss_stop, %a1 /* Copy 0 to %a0 until %a0 == %a1 */ L1: @@ -150,7 +150,7 @@ L1: DBG_PUTC('F') /* Copy command line from end of bss to command line */ - moveal #_ebss, %a0 + moveal #__bss_stop, %a0 moveal #command_line, %a1 lea %a1@(512), %a2 @@ -165,7 +165,7 @@ L3: movel #_sdata, %d0 movel %d0, _rambase - movel #_ebss, %d0 + movel #__bss_stop, %d0 movel %d0, _ramstart movel %a4, %d0 diff --git a/arch/m68k/platform/68328/head-ram.S b/arch/m68k/platform/68328/head-ram.S index 7f1aeeacb219..5189ef926098 100644 --- a/arch/m68k/platform/68328/head-ram.S +++ b/arch/m68k/platform/68328/head-ram.S @@ -76,8 +76,8 @@ pclp3: beq pclp3 #endif /* DEBUG */ moveal #0x007ffff0, %ssp - moveal #_sbss, %a0 - moveal #_ebss, %a1 + moveal #__bss_start, %a0 + moveal #__bss_stop, %a1 /* Copy 0 to %a0 until %a0 >= %a1 */ L1: diff --git a/arch/m68k/platform/68328/head-rom.S b/arch/m68k/platform/68328/head-rom.S index a5ff96d0295f..3dff98ba2e97 100644 --- a/arch/m68k/platform/68328/head-rom.S +++ b/arch/m68k/platform/68328/head-rom.S @@ -59,8 +59,8 @@ _stext: movew #0x2700,%sr cmpal %a1, %a2 bhi 1b - moveal #_sbss, %a0 - moveal #_ebss, %a1 + moveal #__bss_start, %a0 + moveal #__bss_stop, %a1 /* Copy 0 to %a0 until %a0 == %a1 */ 1: @@ -70,7 +70,7 @@ _stext: movew #0x2700,%sr movel #_sdata, %d0 movel %d0, _rambase - movel #_ebss, %d0 + movel #__bss_stop, %d0 movel %d0, _ramstart movel #RAMEND-CONFIG_MEMORY_RESERVE*0x100000, %d0 movel %d0, _ramend diff --git a/arch/m68k/platform/68328/timers.c b/arch/m68k/platform/68328/timers.c index c801c172b822..f4dc9b295609 100644 --- a/arch/m68k/platform/68328/timers.c +++ b/arch/m68k/platform/68328/timers.c @@ -53,6 +53,7 @@ #endif static u32 m68328_tick_cnt; +static irq_handler_t timer_interrupt; /***************************************************************************/ @@ -62,7 +63,7 @@ static irqreturn_t hw_tick(int irq, void *dummy) TSTAT &= 0; m68328_tick_cnt += TICKS_PER_JIFFY; - return arch_timer_interrupt(irq, dummy); + return timer_interrupt(irq, dummy); } /***************************************************************************/ @@ -99,7 +100,7 @@ static struct clocksource m68328_clk = { /***************************************************************************/ -void hw_timer_init(void) +void hw_timer_init(irq_handler_t handler) { /* disable timer 1 */ TCTL = 0; @@ -115,6 +116,7 @@ void hw_timer_init(void) /* Enable timer 1 */ TCTL |= TCTL_TEN; clocksource_register_hz(&m68328_clk, TICKS_PER_JIFFY*HZ); + timer_interrupt = handler; } /***************************************************************************/ diff --git a/arch/m68k/platform/68360/config.c b/arch/m68k/platform/68360/config.c index 255fc03913e9..9877cefad1e7 100644 --- a/arch/m68k/platform/68360/config.c +++ b/arch/m68k/platform/68360/config.c @@ -35,6 +35,7 @@ extern void m360_cpm_reset(void); #define OSCILLATOR (unsigned long int)33000000 #endif +static irq_handler_t timer_interrupt; unsigned long int system_clock; extern QUICC *pquicc; @@ -52,7 +53,7 @@ static irqreturn_t hw_tick(int irq, void *dummy) pquicc->timer_ter1 = 0x0002; /* clear timer event */ - return arch_timer_interrupt(irq, dummy); + return timer_interrupt(irq, dummy); } static struct irqaction m68360_timer_irq = { @@ -61,7 +62,7 @@ static struct irqaction m68360_timer_irq = { .handler = hw_tick, }; -void hw_timer_init(void) +void hw_timer_init(irq_handler_t handler) { unsigned char prescaler; unsigned short tgcr_save; @@ -94,6 +95,8 @@ void hw_timer_init(void) pquicc->timer_ter1 = 0x0003; /* clear timer events */ + timer_interrupt = handler; + /* enable timer 1 interrupt in CIMR */ setup_irq(CPMVEC_TIMER1, &m68360_timer_irq); diff --git a/arch/m68k/platform/68360/head-ram.S b/arch/m68k/platform/68360/head-ram.S index 8eb94fb6b971..acd213170d80 100644 --- a/arch/m68k/platform/68360/head-ram.S +++ b/arch/m68k/platform/68360/head-ram.S @@ -219,8 +219,8 @@ LD1: cmp.l #_edata, %a1 blt LD1 - moveal #_sbss, %a0 - moveal #_ebss, %a1 + moveal #__bss_start, %a0 + moveal #__bss_stop, %a1 /* Copy 0 to %a0 until %a0 == %a1 */ L1: @@ -234,7 +234,7 @@ load_quicc: store_ram_size: /* Set ram size information */ move.l #_sdata, _rambase - move.l #_ebss, _ramstart + move.l #__bss_stop, _ramstart move.l #RAMEND, %d0 sub.l #0x1000, %d0 /* Reserve 4K for stack space.*/ move.l %d0, _ramend /* Different from RAMEND.*/ diff --git a/arch/m68k/platform/68360/head-rom.S b/arch/m68k/platform/68360/head-rom.S index 97510e55b802..dfc756d99886 100644 --- a/arch/m68k/platform/68360/head-rom.S +++ b/arch/m68k/platform/68360/head-rom.S @@ -13,7 +13,7 @@ */ .global _stext -.global _sbss +.global __bss_start .global _start .global _rambase @@ -229,8 +229,8 @@ LD1: cmp.l #_edata, %a1 blt LD1 - moveal #_sbss, %a0 - moveal #_ebss, %a1 + moveal #__bss_start, %a0 + moveal #__bss_stop, %a1 /* Copy 0 to %a0 until %a0 == %a1 */ L1: @@ -244,7 +244,7 @@ load_quicc: store_ram_size: /* Set ram size information */ move.l #_sdata, _rambase - move.l #_ebss, _ramstart + move.l #__bss_stop, _ramstart move.l #RAMEND, %d0 sub.l #0x1000, %d0 /* Reserve 4K for stack space.*/ move.l %d0, _ramend /* Different from RAMEND.*/ diff --git a/arch/m68k/platform/coldfire/Makefile b/arch/m68k/platform/coldfire/Makefile index 76d389d9a84e..02591a109f8c 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 @@ -27,10 +28,14 @@ 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-$(CONFIG_CLEOPATRA) += nettel.o obj-$(CONFIG_FIREBEE) += firebee.o +obj-$(CONFIG_MCF8390) += mcf8390.o -obj-y += pinmux.o gpio.o +obj-$(CONFIG_PCI) += pci.o + +obj-y += gpio.o extra-y := head.o diff --git a/arch/m68k/platform/coldfire/clk.c b/arch/m68k/platform/coldfire/clk.c index 9f1260c5e2ad..75f9ee967ea7 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; @@ -42,4 +48,107 @@ unsigned long clk_get_rate(struct clk *clk) return MCF_CLK; } EXPORT_SYMBOL(clk_get_rate); +#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 */ + +struct clk *devm_clk_get(struct device *dev, const char *id) +{ + return NULL; +} +EXPORT_SYMBOL(devm_clk_get); 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/gpio.c b/arch/m68k/platform/coldfire/gpio.c index 4c8c42450a4e..9cd2b5c70519 100644 --- a/arch/m68k/platform/coldfire/gpio.c +++ b/arch/m68k/platform/coldfire/gpio.c @@ -14,119 +14,161 @@ */ #include <linux/kernel.h> +#include <linux/module.h> #include <linux/init.h> #include <linux/device.h> -#include <asm/gpio.h> -#include <asm/pinmux.h> +#include <linux/io.h> +#include <asm/coldfire.h> +#include <asm/mcfsim.h> #include <asm/mcfgpio.h> -#define MCF_CHIP(chip) container_of(chip, struct mcf_gpio_chip, gpio_chip) +int __mcfgpio_get_value(unsigned gpio) +{ + return mcfgpio_read(__mcfgpio_ppdr(gpio)) & mcfgpio_bit(gpio); +} +EXPORT_SYMBOL(__mcfgpio_get_value); + +void __mcfgpio_set_value(unsigned gpio, int value) +{ + if (gpio < MCFGPIO_SCR_START) { + unsigned long flags; + MCFGPIO_PORTTYPE data; + + local_irq_save(flags); + data = mcfgpio_read(__mcfgpio_podr(gpio)); + if (value) + data |= mcfgpio_bit(gpio); + else + data &= ~mcfgpio_bit(gpio); + mcfgpio_write(data, __mcfgpio_podr(gpio)); + local_irq_restore(flags); + } else { + if (value) + mcfgpio_write(mcfgpio_bit(gpio), + MCFGPIO_SETR_PORT(gpio)); + else + mcfgpio_write(~mcfgpio_bit(gpio), + MCFGPIO_CLRR_PORT(gpio)); + } +} +EXPORT_SYMBOL(__mcfgpio_set_value); -int mcf_gpio_direction_input(struct gpio_chip *chip, unsigned offset) +int __mcfgpio_direction_input(unsigned gpio) { unsigned long flags; MCFGPIO_PORTTYPE dir; - struct mcf_gpio_chip *mcf_chip = MCF_CHIP(chip); local_irq_save(flags); - dir = mcfgpio_read(mcf_chip->pddr); - dir &= ~mcfgpio_bit(chip->base + offset); - mcfgpio_write(dir, mcf_chip->pddr); + dir = mcfgpio_read(__mcfgpio_pddr(gpio)); + dir &= ~mcfgpio_bit(gpio); + mcfgpio_write(dir, __mcfgpio_pddr(gpio)); local_irq_restore(flags); return 0; } +EXPORT_SYMBOL(__mcfgpio_direction_input); -int mcf_gpio_get_value(struct gpio_chip *chip, unsigned offset) -{ - struct mcf_gpio_chip *mcf_chip = MCF_CHIP(chip); - - return mcfgpio_read(mcf_chip->ppdr) & mcfgpio_bit(chip->base + offset); -} - -int mcf_gpio_direction_output(struct gpio_chip *chip, unsigned offset, - int value) +int __mcfgpio_direction_output(unsigned gpio, int value) { unsigned long flags; MCFGPIO_PORTTYPE data; - struct mcf_gpio_chip *mcf_chip = MCF_CHIP(chip); local_irq_save(flags); - /* write the value to the output latch */ - data = mcfgpio_read(mcf_chip->podr); + data = mcfgpio_read(__mcfgpio_pddr(gpio)); if (value) - data |= mcfgpio_bit(chip->base + offset); + data |= mcfgpio_bit(gpio); else - data &= ~mcfgpio_bit(chip->base + offset); - mcfgpio_write(data, mcf_chip->podr); - - /* now set the direction to output */ - data = mcfgpio_read(mcf_chip->pddr); - data |= mcfgpio_bit(chip->base + offset); - mcfgpio_write(data, mcf_chip->pddr); + data &= mcfgpio_bit(gpio); + mcfgpio_write(data, __mcfgpio_pddr(gpio)); + + /* now set the data to output */ + if (gpio < MCFGPIO_SCR_START) { + data = mcfgpio_read(__mcfgpio_podr(gpio)); + if (value) + data |= mcfgpio_bit(gpio); + else + data &= ~mcfgpio_bit(gpio); + mcfgpio_write(data, __mcfgpio_podr(gpio)); + } else { + if (value) + mcfgpio_write(mcfgpio_bit(gpio), + MCFGPIO_SETR_PORT(gpio)); + else + mcfgpio_write(~mcfgpio_bit(gpio), + MCFGPIO_CLRR_PORT(gpio)); + } local_irq_restore(flags); + return 0; +} +EXPORT_SYMBOL(__mcfgpio_direction_output); +int __mcfgpio_request(unsigned gpio) +{ return 0; } +EXPORT_SYMBOL(__mcfgpio_request); -void mcf_gpio_set_value(struct gpio_chip *chip, unsigned offset, int value) +void __mcfgpio_free(unsigned gpio) { - struct mcf_gpio_chip *mcf_chip = MCF_CHIP(chip); + __mcfgpio_direction_input(gpio); +} +EXPORT_SYMBOL(__mcfgpio_free); - unsigned long flags; - MCFGPIO_PORTTYPE data; +#ifdef CONFIG_GPIOLIB - local_irq_save(flags); - data = mcfgpio_read(mcf_chip->podr); - if (value) - data |= mcfgpio_bit(chip->base + offset); - else - data &= ~mcfgpio_bit(chip->base + offset); - mcfgpio_write(data, mcf_chip->podr); - local_irq_restore(flags); +int mcfgpio_direction_input(struct gpio_chip *chip, unsigned offset) +{ + return __mcfgpio_direction_input(offset); } -void mcf_gpio_set_value_fast(struct gpio_chip *chip, unsigned offset, int value) +int mcfgpio_get_value(struct gpio_chip *chip, unsigned offset) { - struct mcf_gpio_chip *mcf_chip = MCF_CHIP(chip); - - if (value) - mcfgpio_write(mcfgpio_bit(chip->base + offset), mcf_chip->setr); - else - mcfgpio_write(~mcfgpio_bit(chip->base + offset), mcf_chip->clrr); + return __mcfgpio_get_value(offset); } -int mcf_gpio_request(struct gpio_chip *chip, unsigned offset) +int mcfgpio_direction_output(struct gpio_chip *chip, unsigned offset, int value) { - struct mcf_gpio_chip *mcf_chip = MCF_CHIP(chip); - - return mcf_chip->gpio_to_pinmux ? - mcf_pinmux_request(mcf_chip->gpio_to_pinmux[offset], 0) : 0; + return __mcfgpio_direction_output(offset, value); } -void mcf_gpio_free(struct gpio_chip *chip, unsigned offset) +void mcfgpio_set_value(struct gpio_chip *chip, unsigned offset, int value) { - struct mcf_gpio_chip *mcf_chip = MCF_CHIP(chip); + __mcfgpio_set_value(offset, value); +} - mcf_gpio_direction_input(chip, offset); +int mcfgpio_request(struct gpio_chip *chip, unsigned offset) +{ + return __mcfgpio_request(offset); +} - if (mcf_chip->gpio_to_pinmux) - mcf_pinmux_release(mcf_chip->gpio_to_pinmux[offset], 0); +void mcfgpio_free(struct gpio_chip *chip, unsigned offset) +{ + __mcfgpio_free(offset); } -struct bus_type mcf_gpio_subsys = { +struct bus_type mcfgpio_subsys = { .name = "gpio", .dev_name = "gpio", }; -static int __init mcf_gpio_sysinit(void) -{ - unsigned int i = 0; +static struct gpio_chip mcfgpio_chip = { + .label = "mcfgpio", + .request = mcfgpio_request, + .free = mcfgpio_free, + .direction_input = mcfgpio_direction_input, + .direction_output = mcfgpio_direction_output, + .get = mcfgpio_get_value, + .set = mcfgpio_set_value, + .base = 0, + .ngpio = MCFGPIO_PIN_MAX, +}; - while (i < mcf_gpio_chips_size) - gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]); - return subsys_system_register(&mcf_gpio_subsys, NULL); +static int __init mcfgpio_sysinit(void) +{ + gpiochip_add(&mcfgpio_chip); + return subsys_system_register(&mcfgpio_subsys, NULL); } -core_initcall(mcf_gpio_sysinit); +core_initcall(mcfgpio_sysinit); +#endif diff --git a/arch/m68k/platform/coldfire/head.S b/arch/m68k/platform/coldfire/head.S index c3db70ed33b3..b88f5716f357 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 @@ -230,8 +230,8 @@ _vstart: /* * Move ROM filesystem above bss :-) */ - lea _sbss,%a0 /* get start of bss */ - lea _ebss,%a1 /* set up destination */ + lea __bss_start,%a0 /* get start of bss */ + lea __bss_stop,%a1 /* set up destination */ movel %a0,%a2 /* copy of bss start */ movel 8(%a0),%d0 /* get size of ROMFS */ @@ -249,7 +249,7 @@ _copy_romfs: bne _copy_romfs #else /* CONFIG_ROMFS_FS */ - lea _ebss,%a1 + lea __bss_stop,%a1 movel %a1,_ramstart #endif /* CONFIG_ROMFS_FS */ @@ -257,8 +257,8 @@ _copy_romfs: /* * Zero out the bss region. */ - lea _sbss,%a0 /* get start of bss */ - lea _ebss,%a1 /* get end of bss */ + lea __bss_start,%a0 /* get start of bss */ + lea __bss_stop,%a1 /* get end of bss */ clrl %d0 /* set value */ _clear_bss: movel %d0,(%a0)+ /* clear each word */ diff --git a/arch/m68k/platform/coldfire/intc-525x.c b/arch/m68k/platform/coldfire/intc-525x.c new file mode 100644 index 000000000000..b23204d059ac --- /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/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/m5206.c b/arch/m68k/platform/coldfire/m5206.c index a8b81df653f0..6bfbeebd231b 100644 --- a/arch/m68k/platform/coldfire/m5206.c +++ b/arch/m68k/platform/coldfire/m5206.c @@ -16,15 +16,6 @@ #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); /***************************************************************************/ diff --git a/arch/m68k/platform/coldfire/m520x.c b/arch/m68k/platform/coldfire/m520x.c index 3264b8883d5f..ea1be0e98ad6 100644 --- a/arch/m68k/platform/coldfire/m520x.c +++ b/arch/m68k/platform/coldfire/m520x.c @@ -19,22 +19,102 @@ #include <asm/coldfire.h> #include <asm/mcfsim.h> #include <asm/mcfuart.h> -#include <asm/mcfgpio.h> +#include <asm/mcfclk.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), +DEFINE_CLK(0, "flexbus", 2, MCF_CLK); +DEFINE_CLK(0, "fec.0", 12, MCF_CLK); +DEFINE_CLK(0, "edma", 17, MCF_CLK); +DEFINE_CLK(0, "intc.0", 18, MCF_CLK); +DEFINE_CLK(0, "iack.0", 21, MCF_CLK); +DEFINE_CLK(0, "mcfi2c.0", 22, MCF_CLK); +DEFINE_CLK(0, "mcfqspi.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, "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, "mcfeport.0", 34, MCF_CLK); +DEFINE_CLK(0, "mcfwdt.0", 35, MCF_CLK); +DEFINE_CLK(0, "pll.0", 36, MCF_CLK); +DEFINE_CLK(0, "sys.0", 40, MCF_BUSCLK); +DEFINE_CLK(0, "gpio.0", 41, MCF_BUSCLK); +DEFINE_CLK(0, "sdram.0", 42, MCF_CLK); + +struct clk *mcf_clks[] = { + &__clk_0_2, /* flexbus */ + &__clk_0_12, /* fec.0 */ + &__clk_0_17, /* edma */ + &__clk_0_18, /* intc.0 */ + &__clk_0_21, /* iack.0 */ + &__clk_0_22, /* mcfi2c.0 */ + &__clk_0_23, /* mcfqspi.0 */ + &__clk_0_24, /* mcfuart.0 */ + &__clk_0_25, /* mcfuart.1 */ + &__clk_0_26, /* mcfuart.2 */ + &__clk_0_28, /* mcftmr.0 */ + &__clk_0_29, /* mcftmr.1 */ + &__clk_0_30, /* mcftmr.2 */ + &__clk_0_31, /* mcftmr.3 */ + + &__clk_0_32, /* mcfpit.0 */ + &__clk_0_33, /* mcfpit.1 */ + &__clk_0_34, /* mcfeport.0 */ + &__clk_0_35, /* mcfwdt.0 */ + &__clk_0_36, /* pll.0 */ + &__clk_0_40, /* sys.0 */ + &__clk_0_41, /* gpio.0 */ + &__clk_0_42, /* sdram.0 */ +NULL, }; -unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips); +static struct clk * const enable_clks[] __initconst = { + &__clk_0_2, /* flexbus */ + &__clk_0_18, /* intc.0 */ + &__clk_0_21, /* iack.0 */ + &__clk_0_24, /* mcfuart.0 */ + &__clk_0_25, /* mcfuart.1 */ + &__clk_0_26, /* mcfuart.2 */ + + &__clk_0_32, /* mcfpit.0 */ + &__clk_0_33, /* mcfpit.1 */ + &__clk_0_34, /* mcfeport.0 */ + &__clk_0_36, /* pll.0 */ + &__clk_0_40, /* sys.0 */ + &__clk_0_41, /* gpio.0 */ + &__clk_0_42, /* sdram.0 */ +}; + +static struct clk * const disable_clks[] __initconst = { + &__clk_0_12, /* fec.0 */ + &__clk_0_17, /* edma */ + &__clk_0_22, /* mcfi2c.0 */ + &__clk_0_23, /* mcfqspi.0 */ + &__clk_0_28, /* mcftmr.0 */ + &__clk_0_29, /* mcftmr.1 */ + &__clk_0_30, /* mcftmr.2 */ + &__clk_0_31, /* mcftmr.3 */ + &__clk_0_35, /* mcfwdt.0 */ +}; + + +static void __init m520x_clk_init(void) +{ + unsigned i; + + /* make sure these clocks are enabled */ + 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]); +} /***************************************************************************/ @@ -93,6 +173,7 @@ static void __init m520x_fec_init(void) void __init config_BSP(char *commandp, int size) { mach_sched_init = hw_timer_init; + m520x_clk_init(); m520x_uarts_init(); m520x_fec_init(); #if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) diff --git a/arch/m68k/platform/coldfire/m523x.c b/arch/m68k/platform/coldfire/m523x.c index 5d57a4249412..d47dfd8f50a2 100644 --- a/arch/m68k/platform/coldfire/m523x.c +++ b/arch/m68k/platform/coldfire/m523x.c @@ -19,28 +19,6 @@ #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); /***************************************************************************/ diff --git a/arch/m68k/platform/coldfire/m5249.c b/arch/m68k/platform/coldfire/m5249.c index fdfa1edfd1ac..300e729a58d0 100644 --- a/arch/m68k/platform/coldfire/m5249.c +++ b/arch/m68k/platform/coldfire/m5249.c @@ -16,16 +16,6 @@ #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); /***************************************************************************/ diff --git a/arch/m68k/platform/coldfire/m525x.c b/arch/m68k/platform/coldfire/m525x.c new file mode 100644 index 000000000000..8ce905f9b84f --- /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(); +} + +/***************************************************************************/ diff --git a/arch/m68k/platform/coldfire/m5272.c b/arch/m68k/platform/coldfire/m5272.c index 43e36060da18..e68bc7a148eb 100644 --- a/arch/m68k/platform/coldfire/m5272.c +++ b/arch/m68k/platform/coldfire/m5272.c @@ -19,7 +19,6 @@ #include <asm/coldfire.h> #include <asm/mcfsim.h> #include <asm/mcfuart.h> -#include <asm/mcfgpio.h> /***************************************************************************/ @@ -31,16 +30,6 @@ 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; diff --git a/arch/m68k/platform/coldfire/m527x.c b/arch/m68k/platform/coldfire/m527x.c index 9b0b66aabd1b..b3cb378c5e94 100644 --- a/arch/m68k/platform/coldfire/m527x.c +++ b/arch/m68k/platform/coldfire/m527x.c @@ -20,49 +20,6 @@ #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); /***************************************************************************/ diff --git a/arch/m68k/platform/coldfire/m528x.c b/arch/m68k/platform/coldfire/m528x.c index 7ed1276b29dc..f1319e5d2546 100644 --- a/arch/m68k/platform/coldfire/m528x.c +++ b/arch/m68k/platform/coldfire/m528x.c @@ -21,37 +21,6 @@ #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); /***************************************************************************/ @@ -74,7 +43,7 @@ static void __init m528x_uarts_init(void) /* make sure PUAPAR is set for UART0 and UART1 */ port = readb(MCF5282_GPIO_PUAPAR); port |= 0x03 | (0x03 << 2); - writeb(port, MCF5282_GPIO_PUAPAR); + writeb(port, MCFGPIO_PUAPAR); } /***************************************************************************/ diff --git a/arch/m68k/platform/coldfire/m5307.c b/arch/m68k/platform/coldfire/m5307.c index 93b484976ab3..a568d2870d15 100644 --- a/arch/m68k/platform/coldfire/m5307.c +++ b/arch/m68k/platform/coldfire/m5307.c @@ -16,7 +16,6 @@ #include <asm/machdep.h> #include <asm/coldfire.h> #include <asm/mcfsim.h> -#include <asm/mcfgpio.h> #include <asm/mcfwdebug.h> /***************************************************************************/ @@ -29,14 +28,6 @@ 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) || \ diff --git a/arch/m68k/platform/coldfire/m532x.c b/arch/m68k/platform/coldfire/m532x.c index 5394223639f8..4819a44991ed 100644 --- a/arch/m68k/platform/coldfire/m532x.c +++ b/arch/m68k/platform/coldfire/m532x.c @@ -26,32 +26,144 @@ #include <asm/mcfsim.h> #include <asm/mcfuart.h> #include <asm/mcfdma.h> -#include <asm/mcfgpio.h> #include <asm/mcfwdebug.h> +#include <asm/mcfclk.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), +DEFINE_CLK(0, "flexbus", 2, MCF_CLK); +DEFINE_CLK(0, "mcfcan.0", 8, MCF_CLK); +DEFINE_CLK(0, "fec.0", 12, 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, "iack.0", 21, MCF_CLK); +DEFINE_CLK(0, "mcfi2c.0", 22, MCF_CLK); +DEFINE_CLK(0, "mcfqspi.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, "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, "mcfpwm.0", 36, MCF_CLK); +DEFINE_CLK(0, "mcfeport.0", 37, MCF_CLK); +DEFINE_CLK(0, "mcfwdt.0", 38, MCF_CLK); +DEFINE_CLK(0, "sys.0", 40, MCF_BUSCLK); +DEFINE_CLK(0, "gpio.0", 41, MCF_BUSCLK); +DEFINE_CLK(0, "mcfrtc.0", 42, MCF_CLK); +DEFINE_CLK(0, "mcflcd.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, "sdram.0", 46, MCF_CLK); +DEFINE_CLK(0, "ssi.0", 47, MCF_CLK); +DEFINE_CLK(0, "pll.0", 48, MCF_CLK); + +DEFINE_CLK(1, "mdha.0", 32, MCF_CLK); +DEFINE_CLK(1, "skha.0", 33, MCF_CLK); +DEFINE_CLK(1, "rng.0", 34, MCF_CLK); + +struct clk *mcf_clks[] = { + &__clk_0_2, /* flexbus */ + &__clk_0_8, /* mcfcan.0 */ + &__clk_0_12, /* fec.0 */ + &__clk_0_17, /* edma */ + &__clk_0_18, /* intc.0 */ + &__clk_0_19, /* intc.1 */ + &__clk_0_21, /* iack.0 */ + &__clk_0_22, /* mcfi2c.0 */ + &__clk_0_23, /* mcfqspi.0 */ + &__clk_0_24, /* mcfuart.0 */ + &__clk_0_25, /* mcfuart.1 */ + &__clk_0_26, /* mcfuart.2 */ + &__clk_0_28, /* mcftmr.0 */ + &__clk_0_29, /* mcftmr.1 */ + &__clk_0_30, /* mcftmr.2 */ + &__clk_0_31, /* mcftmr.3 */ + + &__clk_0_32, /* mcfpit.0 */ + &__clk_0_33, /* mcfpit.1 */ + &__clk_0_34, /* mcfpit.2 */ + &__clk_0_35, /* mcfpit.3 */ + &__clk_0_36, /* mcfpwm.0 */ + &__clk_0_37, /* mcfeport.0 */ + &__clk_0_38, /* mcfwdt.0 */ + &__clk_0_40, /* sys.0 */ + &__clk_0_41, /* gpio.0 */ + &__clk_0_42, /* mcfrtc.0 */ + &__clk_0_43, /* mcflcd.0 */ + &__clk_0_44, /* mcfusb-otg.0 */ + &__clk_0_45, /* mcfusb-host.0 */ + &__clk_0_46, /* sdram.0 */ + &__clk_0_47, /* ssi.0 */ + &__clk_0_48, /* pll.0 */ + + &__clk_1_32, /* mdha.0 */ + &__clk_1_33, /* skha.0 */ + &__clk_1_34, /* rng.0 */ + NULL, +}; + +static struct clk * const enable_clks[] __initconst = { + &__clk_0_2, /* flexbus */ + &__clk_0_18, /* intc.0 */ + &__clk_0_19, /* intc.1 */ + &__clk_0_21, /* iack.0 */ + &__clk_0_24, /* mcfuart.0 */ + &__clk_0_25, /* mcfuart.1 */ + &__clk_0_26, /* mcfuart.2 */ + + &__clk_0_32, /* mcfpit.0 */ + &__clk_0_33, /* mcfpit.1 */ + &__clk_0_37, /* mcfeport.0 */ + &__clk_0_40, /* sys.0 */ + &__clk_0_41, /* gpio.0 */ + &__clk_0_46, /* sdram.0 */ + &__clk_0_48, /* pll.0 */ +}; + +static struct clk * const disable_clks[] __initconst = { + &__clk_0_8, /* mcfcan.0 */ + &__clk_0_12, /* fec.0 */ + &__clk_0_17, /* edma */ + &__clk_0_22, /* mcfi2c.0 */ + &__clk_0_23, /* mcfqspi.0 */ + &__clk_0_28, /* mcftmr.0 */ + &__clk_0_29, /* mcftmr.1 */ + &__clk_0_30, /* mcftmr.2 */ + &__clk_0_31, /* mcftmr.3 */ + &__clk_0_34, /* mcfpit.2 */ + &__clk_0_35, /* mcfpit.3 */ + &__clk_0_36, /* mcfpwm.0 */ + &__clk_0_38, /* mcfwdt.0 */ + &__clk_0_42, /* mcfrtc.0 */ + &__clk_0_43, /* mcflcd.0 */ + &__clk_0_44, /* mcfusb-otg.0 */ + &__clk_0_45, /* mcfusb-host.0 */ + &__clk_0_47, /* ssi.0 */ + &__clk_1_32, /* mdha.0 */ + &__clk_1_33, /* skha.0 */ + &__clk_1_34, /* rng.0 */ }; -unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips); + +static void __init m532x_clk_init(void) +{ + unsigned i; + + /* make sure these clocks are enabled */ + 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]); +} /***************************************************************************/ @@ -98,8 +210,8 @@ void __init config_BSP(char *commandp, int size) memset(commandp, 0, size); } #endif - mach_sched_init = hw_timer_init; + m532x_clk_init(); m532x_uarts_init(); m532x_fec_init(); #if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) diff --git a/arch/m68k/platform/coldfire/m5407.c b/arch/m68k/platform/coldfire/m5407.c index faa6680b3404..bb6c746ae819 100644 --- a/arch/m68k/platform/coldfire/m5407.c +++ b/arch/m68k/platform/coldfire/m5407.c @@ -16,15 +16,6 @@ #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); /***************************************************************************/ diff --git a/arch/m68k/platform/coldfire/m5441x.c b/arch/m68k/platform/coldfire/m5441x.c new file mode 100644 index 000000000000..98a13cce93d8 --- /dev/null +++ b/arch/m68k/platform/coldfire/m5441x.c @@ -0,0 +1,261 @@ +/* + * 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(); +} + + +#if IS_ENABLED(CONFIG_RTC_DRV_M5441x) +static struct resource m5441x_rtc_resources[] = { + { + .start = MCFRTC_BASE, + .end = MCFRTC_BASE + MCFRTC_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = MCF_IRQ_RTC, + .end = MCF_IRQ_RTC, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device m5441x_rtc = { + .name = "mcfrtc", + .id = 0, + .resource = m5441x_rtc_resources, + .num_resources = ARRAY_SIZE(m5441x_rtc_resources), +}; +#endif + +static struct platform_device *m5441x_devices[] __initdata = { +#if IS_ENABLED(CONFIG_RTC_DRV_M5441x) + &m5441x_rtc, +#endif +}; + +static int __init init_BSP(void) +{ + platform_add_devices(m5441x_devices, ARRAY_SIZE(m5441x_devices)); + return 0; +} + +arch_initcall(init_BSP); diff --git a/arch/m68k/platform/coldfire/m54xx.c b/arch/m68k/platform/coldfire/m54xx.c index 20672dadb252..2081c6cbb3de 100644 --- a/arch/m68k/platform/coldfire/m54xx.c +++ b/arch/m68k/platform/coldfire/m54xx.c @@ -21,19 +21,12 @@ #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 */ diff --git a/arch/m68k/platform/coldfire/mcf8390.c b/arch/m68k/platform/coldfire/mcf8390.c new file mode 100644 index 000000000000..23a6874a3248 --- /dev/null +++ b/arch/m68k/platform/coldfire/mcf8390.c @@ -0,0 +1,38 @@ +/* + * mcf8390.c -- platform support for 8390 ethernet on many boards + * + * (C) Copyright 2012, Greg Ungerer <gerg@uclinux.org> + * + * 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/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/resource.h> +#include <linux/platform_device.h> +#include <asm/mcf8390.h> + +static struct resource mcf8390_resources[] = { + { + .start = NE2000_ADDR, + .end = NE2000_ADDR + NE2000_ADDRSIZE - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = NE2000_IRQ_VECTOR, + .end = NE2000_IRQ_VECTOR, + .flags = IORESOURCE_IRQ, + }, +}; + +static int __init mcf8390_platform_init(void) +{ + platform_device_register_simple("mcf8390", -1, mcf8390_resources, + ARRAY_SIZE(mcf8390_resources)); + return 0; +} + +arch_initcall(mcf8390_platform_init); diff --git a/arch/m68k/platform/coldfire/pci.c b/arch/m68k/platform/coldfire/pci.c new file mode 100644 index 000000000000..553210d3d4c1 --- /dev/null +++ b/arch/m68k/platform/coldfire/pci.c @@ -0,0 +1,327 @@ +/* + * pci.c -- PCI bus support for ColdFire processors + * + * (C) Copyright 2012, Greg Ungerer <gerg@uclinux.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/module.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/io.h> +#include <linux/pci.h> +#include <linux/delay.h> +#include <asm/coldfire.h> +#include <asm/mcfsim.h> +#include <asm/m54xxpci.h> + +/* + * Memory and IO mappings. We use a 1:1 mapping for local host memory to + * PCI bus memory (no reason not to really). IO space doesn't matter, we + * always use access functions for that. The device configuration space is + * mapped over the IO map space when we enable it in the PCICAR register. + */ +#define PCI_MEM_PA 0xf0000000 /* Host physical address */ +#define PCI_MEM_BA 0xf0000000 /* Bus physical address */ +#define PCI_MEM_SIZE 0x08000000 /* 128 MB */ +#define PCI_MEM_MASK (PCI_MEM_SIZE - 1) + +#define PCI_IO_PA 0xf8000000 /* Host physical address */ +#define PCI_IO_BA 0x00000000 /* Bus physical address */ +#define PCI_IO_SIZE 0x00010000 /* 64k */ +#define PCI_IO_MASK (PCI_IO_SIZE - 1) + +static struct pci_bus *rootbus; +static unsigned long iospace; + +/* + * We need to be carefull probing on bus 0 (directly connected to host + * bridge). We should only acccess the well defined possible devices in + * use, ignore aliases and the like. + */ +static unsigned char mcf_host_slot2sid[32] = { + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 0, 3, 4, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, +}; + +static unsigned char mcf_host_irq[] = { + 0, 69, 69, 71, 71, +}; + + +static inline void syncio(void) +{ + /* The ColdFire "nop" instruction waits for all bus IO to complete */ + __asm__ __volatile__ ("nop"); +} + +/* + * Configuration space access functions. Configuration space access is + * through the IO mapping window, enabling it via the PCICAR register. + */ +static unsigned long mcf_mk_pcicar(int bus, unsigned int devfn, int where) +{ + return (bus << PCICAR_BUSN) | (devfn << PCICAR_DEVFNN) | (where & 0xfc); +} + +static int mcf_pci_readconfig(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 *value) +{ + unsigned long addr; + + *value = 0xffffffff; + + if (bus->number == 0) { + if (mcf_host_slot2sid[PCI_SLOT(devfn)] == 0) + return PCIBIOS_SUCCESSFUL; + } + + syncio(); + addr = mcf_mk_pcicar(bus->number, devfn, where); + __raw_writel(PCICAR_E | addr, PCICAR); + addr = iospace + (where & 0x3); + + switch (size) { + case 1: + *value = __raw_readb(addr); + break; + case 2: + *value = le16_to_cpu(__raw_readw(addr)); + break; + default: + *value = le32_to_cpu(__raw_readl(addr)); + break; + } + + syncio(); + __raw_writel(0, PCICAR); + return PCIBIOS_SUCCESSFUL; +} + +static int mcf_pci_writeconfig(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 value) +{ + unsigned long addr; + + if (bus->number == 0) { + if (mcf_host_slot2sid[PCI_SLOT(devfn)] == 0) + return PCIBIOS_SUCCESSFUL; + } + + syncio(); + addr = mcf_mk_pcicar(bus->number, devfn, where); + __raw_writel(PCICAR_E | addr, PCICAR); + addr = iospace + (where & 0x3); + + switch (size) { + case 1: + __raw_writeb(value, addr); + break; + case 2: + __raw_writew(cpu_to_le16(value), addr); + break; + default: + __raw_writel(cpu_to_le32(value), addr); + break; + } + + syncio(); + __raw_writel(0, PCICAR); + return PCIBIOS_SUCCESSFUL; +} + +static struct pci_ops mcf_pci_ops = { + .read = mcf_pci_readconfig, + .write = mcf_pci_writeconfig, +}; + +/* + * IO address space access functions. Pretty strait forward, these are + * directly mapped in to the IO mapping window. And that is mapped into + * virtual address space. + */ +u8 mcf_pci_inb(u32 addr) +{ + return __raw_readb(iospace + (addr & PCI_IO_MASK)); +} +EXPORT_SYMBOL(mcf_pci_inb); + +u16 mcf_pci_inw(u32 addr) +{ + return le16_to_cpu(__raw_readw(iospace + (addr & PCI_IO_MASK))); +} +EXPORT_SYMBOL(mcf_pci_inw); + +u32 mcf_pci_inl(u32 addr) +{ + return le32_to_cpu(__raw_readl(iospace + (addr & PCI_IO_MASK))); +} +EXPORT_SYMBOL(mcf_pci_inl); + +void mcf_pci_insb(u32 addr, u8 *buf, u32 len) +{ + for (; len; len--) + *buf++ = mcf_pci_inb(addr); +} +EXPORT_SYMBOL(mcf_pci_insb); + +void mcf_pci_insw(u32 addr, u16 *buf, u32 len) +{ + for (; len; len--) + *buf++ = mcf_pci_inw(addr); +} +EXPORT_SYMBOL(mcf_pci_insw); + +void mcf_pci_insl(u32 addr, u32 *buf, u32 len) +{ + for (; len; len--) + *buf++ = mcf_pci_inl(addr); +} +EXPORT_SYMBOL(mcf_pci_insl); + +void mcf_pci_outb(u8 v, u32 addr) +{ + __raw_writeb(v, iospace + (addr & PCI_IO_MASK)); +} +EXPORT_SYMBOL(mcf_pci_outb); + +void mcf_pci_outw(u16 v, u32 addr) +{ + __raw_writew(cpu_to_le16(v), iospace + (addr & PCI_IO_MASK)); +} +EXPORT_SYMBOL(mcf_pci_outw); + +void mcf_pci_outl(u32 v, u32 addr) +{ + __raw_writel(cpu_to_le32(v), iospace + (addr & PCI_IO_MASK)); +} +EXPORT_SYMBOL(mcf_pci_outl); + +void mcf_pci_outsb(u32 addr, const u8 *buf, u32 len) +{ + for (; len; len--) + mcf_pci_outb(*buf++, addr); +} +EXPORT_SYMBOL(mcf_pci_outsb); + +void mcf_pci_outsw(u32 addr, const u16 *buf, u32 len) +{ + for (; len; len--) + mcf_pci_outw(*buf++, addr); +} +EXPORT_SYMBOL(mcf_pci_outsw); + +void mcf_pci_outsl(u32 addr, const u32 *buf, u32 len) +{ + for (; len; len--) + mcf_pci_outl(*buf++, addr); +} +EXPORT_SYMBOL(mcf_pci_outsl); + +/* + * Initialize the PCI bus registers, and scan the bus. + */ +static struct resource mcf_pci_mem = { + .name = "PCI Memory space", + .start = PCI_MEM_PA, + .end = PCI_MEM_PA + PCI_MEM_SIZE - 1, + .flags = IORESOURCE_MEM, +}; + +static struct resource mcf_pci_io = { + .name = "PCI IO space", + .start = 0x400, + .end = 0x10000 - 1, + .flags = IORESOURCE_IO, +}; + +/* + * Interrupt mapping and setting. + */ +static int mcf_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + int sid; + + sid = mcf_host_slot2sid[slot]; + if (sid) + return mcf_host_irq[sid]; + return 0; +} + +static int __init mcf_pci_init(void) +{ + pr_info("ColdFire: PCI bus initialization...\n"); + + /* Reset the external PCI bus */ + __raw_writel(PCIGSCR_RESET, PCIGSCR); + __raw_writel(0, PCITCR); + + request_resource(&iomem_resource, &mcf_pci_mem); + request_resource(&iomem_resource, &mcf_pci_io); + + /* Configure PCI arbiter */ + __raw_writel(PACR_INTMPRI | PACR_INTMINTE | PACR_EXTMPRI(0x1f) | + PACR_EXTMINTE(0x1f), PACR); + + /* Set required multi-function pins for PCI bus use */ + __raw_writew(0x3ff, MCF_PAR_PCIBG); + __raw_writew(0x3ff, MCF_PAR_PCIBR); + + /* Set up config space for local host bus controller */ + __raw_writel(PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | + PCI_COMMAND_INVALIDATE, PCISCR); + __raw_writel(PCICR1_LT(32) | PCICR1_CL(8), PCICR1); + __raw_writel(0, PCICR2); + + /* + * Set up the initiator windows for memory and IO mapping. + * These give the CPU bus access onto the PCI bus. One for each of + * PCI memory and IO address spaces. + */ + __raw_writel(WXBTAR(PCI_MEM_PA, PCI_MEM_BA, PCI_MEM_SIZE), + PCIIW0BTAR); + __raw_writel(WXBTAR(PCI_IO_PA, PCI_IO_BA, PCI_IO_SIZE), + PCIIW1BTAR); + __raw_writel(PCIIWCR_W0_MEM /*| PCIIWCR_W0_MRDL*/ | PCIIWCR_W0_E | + PCIIWCR_W1_IO | PCIIWCR_W1_E, PCIIWCR); + + /* + * Set up the target windows for access from the PCI bus back to the + * CPU bus. All we need is access to system RAM (for mastering). + */ + __raw_writel(CONFIG_RAMBASE, PCIBAR1); + __raw_writel(CONFIG_RAMBASE | PCITBATR1_E, PCITBATR1); + + /* Keep a virtual mapping to IO/config space active */ + iospace = (unsigned long) ioremap(PCI_IO_PA, PCI_IO_SIZE); + if (iospace == 0) + return -ENODEV; + pr_info("Coldfire: PCI IO/config window mapped to 0x%x\n", + (u32) iospace); + + /* Turn of PCI reset, and wait for devices to settle */ + __raw_writel(0, PCIGSCR); + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(msecs_to_jiffies(200)); + + rootbus = pci_scan_bus(0, &mcf_pci_ops, NULL); + rootbus->resource[0] = &mcf_pci_io; + rootbus->resource[1] = &mcf_pci_mem; + + pci_fixup_irqs(pci_common_swizzle, mcf_pci_map_irq); + pci_bus_size_bridges(rootbus); + pci_bus_assign_resources(rootbus); + pci_enable_bridges(rootbus); + pci_bus_add_devices(rootbus); + return 0; +} + +subsys_initcall(mcf_pci_init); diff --git a/arch/m68k/platform/coldfire/pinmux.c b/arch/m68k/platform/coldfire/pinmux.c deleted file mode 100644 index 8c62b825939f..000000000000 --- a/arch/m68k/platform/coldfire/pinmux.c +++ /dev/null @@ -1,28 +0,0 @@ -/* - * Coldfire generic GPIO pinmux support. - * - * (C) Copyright 2009, Steven King <sfking@fdwdc.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; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#include <linux/kernel.h> - -#include <asm/pinmux.h> - -int mcf_pinmux_request(unsigned pinmux, unsigned func) -{ - return 0; -} - -void mcf_pinmux_release(unsigned pinmux, unsigned func) -{ -} diff --git a/arch/m68k/platform/coldfire/pit.c b/arch/m68k/platform/coldfire/pit.c index e62dbbcb10f6..e8f3b97b0f77 100644 --- a/arch/m68k/platform/coldfire/pit.c +++ b/arch/m68k/platform/coldfire/pit.c @@ -93,7 +93,7 @@ struct clock_event_device cf_pit_clockevent = { .set_mode = init_cf_pit_timer, .set_next_event = cf_pit_next_event, .shift = 32, - .irq = MCFINT_VECBASE + MCFINT_PIT1, + .irq = MCF_IRQ_PIT1, }; @@ -159,7 +159,7 @@ void hw_timer_init(irq_handler_t handler) clockevent_delta2ns(0x3f, &cf_pit_clockevent); clockevents_register_device(&cf_pit_clockevent); - setup_irq(MCFINT_VECBASE + MCFINT_PIT1, &pit_irq); + setup_irq(MCF_IRQ_PIT1, &pit_irq); clocksource_register_hz(&pit_clk, FREQ); } 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 |
