diff options
Diffstat (limited to 'arch/arm/mach-picoxcell')
| -rw-r--r-- | arch/arm/mach-picoxcell/Kconfig | 7 | ||||
| -rw-r--r-- | arch/arm/mach-picoxcell/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-picoxcell/Makefile.boot | 1 | ||||
| -rw-r--r-- | arch/arm/mach-picoxcell/common.c | 34 | ||||
| -rw-r--r-- | arch/arm/mach-picoxcell/common.h | 17 | ||||
| -rw-r--r-- | arch/arm/mach-picoxcell/include/mach/debug-macro.S | 35 | ||||
| -rw-r--r-- | arch/arm/mach-picoxcell/include/mach/entry-macro.S | 16 | ||||
| -rw-r--r-- | arch/arm/mach-picoxcell/include/mach/gpio.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-picoxcell/include/mach/hardware.h | 21 | ||||
| -rw-r--r-- | arch/arm/mach-picoxcell/include/mach/io.h | 22 | ||||
| -rw-r--r-- | arch/arm/mach-picoxcell/include/mach/irqs.h | 20 | ||||
| -rw-r--r-- | arch/arm/mach-picoxcell/include/mach/map.h | 25 | ||||
| -rw-r--r-- | arch/arm/mach-picoxcell/include/mach/picoxcell_soc.h | 25 | ||||
| -rw-r--r-- | arch/arm/mach-picoxcell/include/mach/system.h | 26 | ||||
| -rw-r--r-- | arch/arm/mach-picoxcell/include/mach/timex.h | 25 | ||||
| -rw-r--r-- | arch/arm/mach-picoxcell/include/mach/uncompress.h | 21 | ||||
| -rw-r--r-- | arch/arm/mach-picoxcell/time.c | 121 |
17 files changed, 15 insertions, 403 deletions
diff --git a/arch/arm/mach-picoxcell/Kconfig b/arch/arm/mach-picoxcell/Kconfig new file mode 100644 index 00000000000..62240f69b4e --- /dev/null +++ b/arch/arm/mach-picoxcell/Kconfig @@ -0,0 +1,7 @@ +config ARCH_PICOXCELL + bool "Picochip PicoXcell" if ARCH_MULTI_V6 + select ARCH_REQUIRE_GPIOLIB + select ARM_VIC + select DW_APB_TIMER_OF + select HAVE_TCM + select NO_IOPORT_MAP diff --git a/arch/arm/mach-picoxcell/Makefile b/arch/arm/mach-picoxcell/Makefile index e5ec4a8d9bc..8e39f80fce1 100644 --- a/arch/arm/mach-picoxcell/Makefile +++ b/arch/arm/mach-picoxcell/Makefile @@ -1,2 +1 @@ obj-y := common.o -obj-y += time.o diff --git a/arch/arm/mach-picoxcell/Makefile.boot b/arch/arm/mach-picoxcell/Makefile.boot deleted file mode 100644 index b3271754e9f..00000000000 --- a/arch/arm/mach-picoxcell/Makefile.boot +++ /dev/null @@ -1 +0,0 @@ -zreladdr-y := 0x00008000 diff --git a/arch/arm/mach-picoxcell/common.c b/arch/arm/mach-picoxcell/common.c index a2e8ae8b582..ec79fea8270 100644 --- a/arch/arm/mach-picoxcell/common.c +++ b/arch/arm/mach-picoxcell/common.c @@ -8,25 +8,21 @@ * All enquiries to support@picochip.com */ #include <linux/delay.h> -#include <linux/irq.h> -#include <linux/irqdomain.h> #include <linux/of.h> #include <linux/of_address.h> -#include <linux/of_irq.h> #include <linux/of_platform.h> +#include <linux/reboot.h> #include <asm/mach/arch.h> -#include <asm/hardware/vic.h> #include <asm/mach/map.h> -#include <mach/map.h> -#include <mach/picoxcell_soc.h> +#define PHYS_TO_IO(x) (((x) & 0x00ffffff) | 0xfe000000) +#define PICOXCELL_PERIPH_BASE 0x80000000 +#define PICOXCELL_PERIPH_LENGTH SZ_4M -#include "common.h" - -#define WDT_CTRL_REG_EN_MASK (1 << 0) -#define WDT_CTRL_REG_OFFS (0x00) -#define WDT_TIMEOUT_REG_OFFS (0x04) +#define WDT_CTRL_REG_EN_MASK (1 << 0) +#define WDT_CTRL_REG_OFFS (0x00) +#define WDT_TIMEOUT_REG_OFFS (0x04) static void __iomem *wdt_regs; /* @@ -68,17 +64,7 @@ static const char *picoxcell_dt_match[] = { NULL }; -static const struct of_device_id vic_of_match[] __initconst = { - { .compatible = "arm,pl192-vic", .data = vic_of_init, }, - { /* Sentinel */ } -}; - -static void __init picoxcell_init_irq(void) -{ - of_irq_init(vic_of_match); -} - -static void picoxcell_wdt_restart(char mode, const char *cmd) +static void picoxcell_wdt_restart(enum reboot_mode mode, const char *cmd) { /* * Configure the watchdog to reset with the shortest possible timeout @@ -94,10 +80,6 @@ static void picoxcell_wdt_restart(char mode, const char *cmd) DT_MACHINE_START(PICOXCELL, "Picochip picoXcell") .map_io = picoxcell_map_io, - .nr_irqs = NR_IRQS_LEGACY, - .init_irq = picoxcell_init_irq, - .handle_irq = vic_handle_irq, - .timer = &picoxcell_timer, .init_machine = picoxcell_init_machine, .dt_compat = picoxcell_dt_match, .restart = picoxcell_wdt_restart, diff --git a/arch/arm/mach-picoxcell/common.h b/arch/arm/mach-picoxcell/common.h deleted file mode 100644 index 83d55ab956a..00000000000 --- a/arch/arm/mach-picoxcell/common.h +++ /dev/null @@ -1,17 +0,0 @@ -/* - * Copyright (c) 2011 Picochip Ltd., Jamie Iles - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * All enquiries to support@picochip.com - */ -#ifndef __PICOXCELL_COMMON_H__ -#define __PICOXCELL_COMMON_H__ - -#include <asm/mach/time.h> - -extern struct sys_timer picoxcell_timer; - -#endif /* __PICOXCELL_COMMON_H__ */ diff --git a/arch/arm/mach-picoxcell/include/mach/debug-macro.S b/arch/arm/mach-picoxcell/include/mach/debug-macro.S deleted file mode 100644 index 58d4ee3ae94..00000000000 --- a/arch/arm/mach-picoxcell/include/mach/debug-macro.S +++ /dev/null @@ -1,35 +0,0 @@ -/* - * Copyright (c) 2011 Picochip Ltd., Jamie Iles - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Derived from arch/arm/mach-davinci/include/mach/debug-macro.S to use 32-bit - * accesses to the 8250. - */ -#include <linux/serial_reg.h> -#include <mach/hardware.h> -#include <mach/map.h> - -#define UART_SHIFT 2 - - .macro addruart, rp, rv, tmp - ldr \rv, =PHYS_TO_IO(PICOXCELL_UART1_BASE) - ldr \rp, =PICOXCELL_UART1_BASE - .endm - - .macro senduart,rd,rx - str \rd, [\rx, #UART_TX << UART_SHIFT] - .endm - - .macro busyuart,rd,rx -1002: ldr \rd, [\rx, #UART_LSR << UART_SHIFT] - and \rd, \rd, #UART_LSR_TEMT | UART_LSR_THRE - teq \rd, #UART_LSR_TEMT | UART_LSR_THRE - bne 1002b - .endm - - /* The UART's don't have any flow control IO's wired up. */ - .macro waituart,rd,rx - .endm diff --git a/arch/arm/mach-picoxcell/include/mach/entry-macro.S b/arch/arm/mach-picoxcell/include/mach/entry-macro.S deleted file mode 100644 index 9b505ac00be..00000000000 --- a/arch/arm/mach-picoxcell/include/mach/entry-macro.S +++ /dev/null @@ -1,16 +0,0 @@ -/* - * entry-macro.S - * - * Copyright (c) 2011 Picochip Ltd., Jamie Iles - * - * Low-level IRQ helper macros for picoXcell platforms - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - .macro disable_fiq - .endm - - .macro arch_ret_to_user, tmp1, tmp2 - .endm diff --git a/arch/arm/mach-picoxcell/include/mach/gpio.h b/arch/arm/mach-picoxcell/include/mach/gpio.h deleted file mode 100644 index 40a8c178f10..00000000000 --- a/arch/arm/mach-picoxcell/include/mach/gpio.h +++ /dev/null @@ -1 +0,0 @@ -/* empty */ diff --git a/arch/arm/mach-picoxcell/include/mach/hardware.h b/arch/arm/mach-picoxcell/include/mach/hardware.h deleted file mode 100644 index 70ff58192ec..00000000000 --- a/arch/arm/mach-picoxcell/include/mach/hardware.h +++ /dev/null @@ -1,21 +0,0 @@ -/* - * Copyright (c) 2011 Picochip Ltd., Jamie Iles - * - * This file contains the hardware definitions of the picoXcell SoC devices. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * 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. - */ -#ifndef __ASM_ARCH_HARDWARE_H -#define __ASM_ARCH_HARDWARE_H - -#include <mach/picoxcell_soc.h> - -#endif diff --git a/arch/arm/mach-picoxcell/include/mach/io.h b/arch/arm/mach-picoxcell/include/mach/io.h deleted file mode 100644 index 7573ec7d10a..00000000000 --- a/arch/arm/mach-picoxcell/include/mach/io.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * Copyright (c) 2011 Picochip Ltd., Jamie Iles - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * 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. - */ -#ifndef __ASM_ARM_ARCH_IO_H -#define __ASM_ARM_ARCH_IO_H - -/* No ioports, but needed for driver compatibility. */ -#define __io(a) __typesafe_io(a) -/* No PCI possible on picoxcell. */ -#define __mem_pci(a) (a) - -#endif /* __ASM_ARM_ARCH_IO_H */ diff --git a/arch/arm/mach-picoxcell/include/mach/irqs.h b/arch/arm/mach-picoxcell/include/mach/irqs.h deleted file mode 100644 index 59eac1ee282..00000000000 --- a/arch/arm/mach-picoxcell/include/mach/irqs.h +++ /dev/null @@ -1,20 +0,0 @@ -/* - * Copyright (c) 2011 Picochip Ltd., Jamie Iles - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * 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. - */ -#ifndef __MACH_IRQS_H -#define __MACH_IRQS_H - -/* We dynamically allocate our irq_desc's. */ -#define NR_IRQS 0 - -#endif /* __MACH_IRQS_H */ diff --git a/arch/arm/mach-picoxcell/include/mach/map.h b/arch/arm/mach-picoxcell/include/mach/map.h deleted file mode 100644 index c06afad218b..00000000000 --- a/arch/arm/mach-picoxcell/include/mach/map.h +++ /dev/null @@ -1,25 +0,0 @@ -/* - * Copyright (c) 2011 Picochip Ltd., Jamie Iles - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * 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. - */ -#ifndef __PICOXCELL_MAP_H__ -#define __PICOXCELL_MAP_H__ - -#define PHYS_TO_IO(x) (((x) & 0x00ffffff) | 0xfe000000) - -#ifdef __ASSEMBLY__ -#define IO_ADDRESS(x) PHYS_TO_IO((x)) -#else -#define IO_ADDRESS(x) (void __iomem __force *)(PHYS_TO_IO((x))) -#endif - -#endif /* __PICOXCELL_MAP_H__ */ diff --git a/arch/arm/mach-picoxcell/include/mach/picoxcell_soc.h b/arch/arm/mach-picoxcell/include/mach/picoxcell_soc.h deleted file mode 100644 index 5566fc88ddb..00000000000 --- a/arch/arm/mach-picoxcell/include/mach/picoxcell_soc.h +++ /dev/null @@ -1,25 +0,0 @@ -/* - * Copyright (c) 2011 Picochip Ltd., Jamie Iles - * - * This file contains the hardware definitions of the picoXcell SoC devices. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * 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. - */ -#ifndef __PICOXCELL_SOC_H__ -#define __PICOXCELL_SOC_H__ - -#define PICOXCELL_UART1_BASE 0x80230000 -#define PICOXCELL_PERIPH_BASE 0x80000000 -#define PICOXCELL_PERIPH_LENGTH SZ_4M -#define PICOXCELL_VIC0_BASE 0x80060000 -#define PICOXCELL_VIC1_BASE 0x80064000 - -#endif /* __PICOXCELL_SOC_H__ */ diff --git a/arch/arm/mach-picoxcell/include/mach/system.h b/arch/arm/mach-picoxcell/include/mach/system.h deleted file mode 100644 index 1a5d8cb57df..00000000000 --- a/arch/arm/mach-picoxcell/include/mach/system.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * Copyright (c) 2011 Picochip Ltd., Jamie Iles - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * 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. - */ -#ifndef __ASM_ARCH_SYSTEM_H -#define __ASM_ARCH_SYSTEM_H - -static inline void arch_idle(void) -{ - /* - * This should do all the clock switching and wait for interrupt - * tricks. - */ - cpu_do_idle(); -} - -#endif /* __ASM_ARCH_SYSTEM_H */ diff --git a/arch/arm/mach-picoxcell/include/mach/timex.h b/arch/arm/mach-picoxcell/include/mach/timex.h deleted file mode 100644 index 6c540a69f40..00000000000 --- a/arch/arm/mach-picoxcell/include/mach/timex.h +++ /dev/null @@ -1,25 +0,0 @@ -/* - * Copyright (c) 2011 Picochip Ltd., Jamie Iles - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#ifndef __TIMEX_H__ -#define __TIMEX_H__ - -/* Bogus value to allow the kernel to compile. */ -#define CLOCK_TICK_RATE 1000000 - -#endif /* __TIMEX_H__ */ - diff --git a/arch/arm/mach-picoxcell/include/mach/uncompress.h b/arch/arm/mach-picoxcell/include/mach/uncompress.h deleted file mode 100644 index b60b19d1d73..00000000000 --- a/arch/arm/mach-picoxcell/include/mach/uncompress.h +++ /dev/null @@ -1,21 +0,0 @@ -/* - * Copyright (c) 2011 Picochip Ltd., Jamie Iles - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#define putc(c) -#define flush() -#define arch_decomp_setup() -#define arch_decomp_wdog() diff --git a/arch/arm/mach-picoxcell/time.c b/arch/arm/mach-picoxcell/time.c deleted file mode 100644 index 2ecba6743b8..00000000000 --- a/arch/arm/mach-picoxcell/time.c +++ /dev/null @@ -1,121 +0,0 @@ -/* - * Copyright (c) 2011 Picochip Ltd., Jamie Iles - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * All enquiries to support@picochip.com - */ -#include <linux/dw_apb_timer.h> -#include <linux/of.h> -#include <linux/of_address.h> -#include <linux/of_irq.h> - -#include <asm/mach/time.h> -#include <asm/sched_clock.h> - -#include "common.h" - -static void timer_get_base_and_rate(struct device_node *np, - void __iomem **base, u32 *rate) -{ - *base = of_iomap(np, 0); - - if (!*base) - panic("Unable to map regs for %s", np->name); - - if (of_property_read_u32(np, "clock-freq", rate)) - panic("No clock-freq property for %s", np->name); -} - -static void picoxcell_add_clockevent(struct device_node *event_timer) -{ - void __iomem *iobase; - struct dw_apb_clock_event_device *ced; - u32 irq, rate; - - irq = irq_of_parse_and_map(event_timer, 0); - if (irq == NO_IRQ) - panic("No IRQ for clock event timer"); - - timer_get_base_and_rate(event_timer, &iobase, &rate); - - ced = dw_apb_clockevent_init(0, event_timer->name, 300, iobase, irq, - rate); - if (!ced) - panic("Unable to initialise clockevent device"); - - dw_apb_clockevent_register(ced); -} - -static void picoxcell_add_clocksource(struct device_node *source_timer) -{ - void __iomem *iobase; - struct dw_apb_clocksource *cs; - u32 rate; - - timer_get_base_and_rate(source_timer, &iobase, &rate); - - cs = dw_apb_clocksource_init(300, source_timer->name, iobase, rate); - if (!cs) - panic("Unable to initialise clocksource device"); - - dw_apb_clocksource_start(cs); - dw_apb_clocksource_register(cs); -} - -static void __iomem *sched_io_base; - -static u32 picoxcell_read_sched_clock(void) -{ - return __raw_readl(sched_io_base); -} - -static const struct of_device_id picoxcell_rtc_ids[] __initconst = { - { .compatible = "picochip,pc3x2-rtc" }, - { /* Sentinel */ }, -}; - -static void picoxcell_init_sched_clock(void) -{ - struct device_node *sched_timer; - u32 rate; - - sched_timer = of_find_matching_node(NULL, picoxcell_rtc_ids); - if (!sched_timer) - panic("No RTC for sched clock to use"); - - timer_get_base_and_rate(sched_timer, &sched_io_base, &rate); - of_node_put(sched_timer); - - setup_sched_clock(picoxcell_read_sched_clock, 32, rate); -} - -static const struct of_device_id picoxcell_timer_ids[] __initconst = { - { .compatible = "picochip,pc3x2-timer" }, - {}, -}; - -static void __init picoxcell_timer_init(void) -{ - struct device_node *event_timer, *source_timer; - - event_timer = of_find_matching_node(NULL, picoxcell_timer_ids); - if (!event_timer) - panic("No timer for clockevent"); - picoxcell_add_clockevent(event_timer); - - source_timer = of_find_matching_node(event_timer, picoxcell_timer_ids); - if (!source_timer) - panic("No timer for clocksource"); - picoxcell_add_clocksource(source_timer); - - of_node_put(source_timer); - - picoxcell_init_sched_clock(); -} - -struct sys_timer picoxcell_timer = { - .init = picoxcell_timer_init, -}; |