From c12ddfe1ed41b59c3122b67a37195c085f9da9c6 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Fri, 13 Jan 2017 23:55:54 +0100 Subject: [PATCH 1/6] ARM: gemini: convert to MULTI_IRQ_HANDLER In order to enable device tree boot on this machine we must first convert it to runtime-manage its irq handler, so do this. Cc: Janos Laube Cc: Paulius Zaleckas Cc: Hans Ulli Kroll Cc: Florian Fainelli Signed-off-by: Linus Walleij --- arch/arm/Kconfig | 1 + .../mach-gemini/include/mach/entry-macro.S | 33 ------------------- arch/arm/mach-gemini/irq.c | 15 +++++++++ 3 files changed, 16 insertions(+), 33 deletions(-) delete mode 100644 arch/arm/mach-gemini/include/mach/entry-macro.S diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 0d4e71b42c77..6c2b72b173c8 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -365,6 +365,7 @@ config ARCH_GEMINI select CPU_FA526 select GENERIC_CLOCKEVENTS select GPIOLIB + select MULTI_IRQ_HANDLER help Support for the Cortina Systems Gemini family SoCs diff --git a/arch/arm/mach-gemini/include/mach/entry-macro.S b/arch/arm/mach-gemini/include/mach/entry-macro.S deleted file mode 100644 index f044e430bfa4..000000000000 --- a/arch/arm/mach-gemini/include/mach/entry-macro.S +++ /dev/null @@ -1,33 +0,0 @@ -/* - * Low-level IRQ helper macros for Gemini platform. - * - * Copyright (C) 2001-2006 Storlink, Corp. - * Copyright (C) 2008-2009 Paulius Zaleckas - * - * 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. - */ -#include - -#define IRQ_STATUS 0x14 - - .macro get_irqnr_preamble, base, tmp - .endm - - .macro get_irqnr_and_base, irqnr, irqstat, base, tmp - ldr \irqstat, =IO_ADDRESS(GEMINI_INTERRUPT_BASE + IRQ_STATUS) - ldr \irqnr, [\irqstat] - cmp \irqnr, #0 - beq 2313f - mov \tmp, \irqnr - mov \irqnr, #0 -2312: - tst \tmp, #1 - bne 2313f - add \irqnr, \irqnr, #1 - mov \tmp, \tmp, lsr #1 - cmp \irqnr, #31 - bcc 2312b -2313: - .endm diff --git a/arch/arm/mach-gemini/irq.c b/arch/arm/mach-gemini/irq.c index d929b3ff18fd..37d52e372456 100644 --- a/arch/arm/mach-gemini/irq.c +++ b/arch/arm/mach-gemini/irq.c @@ -17,6 +17,7 @@ #include #include +#include #include #include #include @@ -65,6 +66,18 @@ static struct irq_chip gemini_irq_chip = { .irq_unmask = gemini_unmask_irq, }; + +asmlinkage void __exception_irq_entry gemini_handle_irq(struct pt_regs *regs) +{ + int irq; + unsigned status; + + while ((status = __raw_readl(IRQ_STATUS(IO_ADDRESS(GEMINI_INTERRUPT_BASE))))) { + irq = ffs(status) - 1; + handle_domain_irq(NULL, irq, regs); + } +} + static struct resource irq_resource = { .name = "irq_handler", .start = GEMINI_INTERRUPT_BASE, @@ -102,4 +115,6 @@ void __init gemini_init_irq(void) /* Set interrupt mode */ __raw_writel(mode, IRQ_TMODE(IO_ADDRESS(GEMINI_INTERRUPT_BASE))); __raw_writel(level, IRQ_TLEVEL(IO_ADDRESS(GEMINI_INTERRUPT_BASE))); + + set_handle_irq(gemini_handle_irq); } From 41d9830cd09f652936be95431cecfbac39ed09f7 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Sat, 21 Jan 2017 12:59:05 +0100 Subject: [PATCH 2/6] ARM: gemini: DT for the Cortina Gemini SoC platforms This adds initial and compulsory device tree support to the Gemini ARMv4 platform. We are selecting a bunch of "absolute minimals" for getting a working system up with just device tree: - We select USE_OF for natural reasons or nothing works. - We select CLKSRC_OF and GEMINI_TIMER so we get timekeeping from the clocksource. - We select GPIO_GEMINI because these are used as irqchips, and for a generic driver it is not reasonable for those to have to select every possible irqchip in the world to work, the platform should simply provide the available irqchips. - We select a UART that can be exprected to work with SERIAL_OF_PLATFORM which is the name for an 8250 OF-probed serial port. - We select the syscon-based reset controller: it's not fun when "reboot" doesn't work because of Kconfig, so we just select POWER_RESET and POWER_RESET_SYSCON. - We perhaps a bit controversiallt select ARM_APPENDED_DTB, because this platform is using the ancient RedBoot, and can *NOT* be expected to upgrade its bootloaders. Appended device tree is simply how these devices have to work with device tree. Cc: Janos Laube Cc: Paulius Zaleckas Cc: Hans Ulli Kroll Cc: Florian Fainelli Signed-off-by: Linus Walleij --- arch/arm/Kconfig | 10 +++++++-- arch/arm/mach-gemini/Makefile | 2 +- arch/arm/mach-gemini/board-dt.c | 38 +++++++++++++++++++++++++++++++++ 3 files changed, 47 insertions(+), 3 deletions(-) create mode 100644 arch/arm/mach-gemini/board-dt.c diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 6c2b72b173c8..637f5756dca8 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -361,11 +361,17 @@ config ARM_SINGLE_ARMV7M config ARCH_GEMINI bool "Cortina Systems Gemini" - select CLKSRC_MMIO + select ARM_APPENDED_DTB # Old Redboot bootloaders deployed select CPU_FA526 - select GENERIC_CLOCKEVENTS + select FARADAY_FTINTC010 + select FTTMR010_TIMER + select GPIO_GEMINI select GPIOLIB select MULTI_IRQ_HANDLER + select POWER_RESET + select POWER_RESET_SYSCON + select SERIAL_OF_PLATFORM + select USE_OF help Support for the Cortina Systems Gemini family SoCs diff --git a/arch/arm/mach-gemini/Makefile b/arch/arm/mach-gemini/Makefile index 7963a77be637..11f07fb6ec3d 100644 --- a/arch/arm/mach-gemini/Makefile +++ b/arch/arm/mach-gemini/Makefile @@ -4,7 +4,7 @@ # Object file lists. -obj-y := irq.o mm.o time.o devices.o gpio.o idle.o reset.o +obj-y := irq.o mm.o time.o devices.o gpio.o idle.o reset.o board-dt.o # Board-specific support obj-$(CONFIG_MACH_NAS4220B) += board-nas4220b.o diff --git a/arch/arm/mach-gemini/board-dt.c b/arch/arm/mach-gemini/board-dt.c new file mode 100644 index 000000000000..208ea99cdc47 --- /dev/null +++ b/arch/arm/mach-gemini/board-dt.c @@ -0,0 +1,38 @@ +/* + * Gemini Device Tree boot support + */ +#include +#include +#include + +#include +#include + +#ifdef CONFIG_DEBUG_GEMINI +/* This is needed for LL-debug/earlyprintk/debug-macro.S */ +static struct map_desc gemini_io_desc[] __initdata = { + { + .virtual = CONFIG_DEBUG_UART_VIRT, + .pfn = __phys_to_pfn(CONFIG_DEBUG_UART_PHYS), + .length = SZ_4K, + .type = MT_DEVICE, + }, +}; + +static void __init gemini_map_io(void) +{ + iotable_init(gemini_io_desc, ARRAY_SIZE(gemini_io_desc)); +} +#else +#define gemini_map_io NULL +#endif + +static const char *gemini_board_compat[] = { + "cortina,gemini", + NULL, +}; + +DT_MACHINE_START(GEMINI_DT, "Gemini (Device Tree)") + .map_io = gemini_map_io, + .dt_compat = gemini_board_compat, +MACHINE_END From ee149d66d76057e40fe1354c08572f8611cf50e4 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Sat, 21 Jan 2017 21:30:29 +0100 Subject: [PATCH 3/6] ARM: gemini: delete all boardfiles Delete the Gemini boardfiles: we have corresponding, fully-featured device trees for all these boards. Delete the referenced include files. Delete the local config symbols, especially one for "swapped memory", as all supported boards have swapped memory, and would a new board be supported this is likely not the right way to achieve it anyways. Only the Kconfig options in the central arch/arm/Kconfig remains. Cc: Janos Laube Cc: Paulius Zaleckas Cc: Hans Ulli Kroll Cc: Florian Fainelli Signed-off-by: Linus Walleij --- arch/arm/Kconfig | 2 - arch/arm/mach-gemini/Kconfig | 40 --- arch/arm/mach-gemini/Makefile | 15 +- arch/arm/mach-gemini/Makefile.boot | 6 - arch/arm/mach-gemini/board-nas4220b.c | 106 ------- arch/arm/mach-gemini/board-rut1xx.c | 92 ------ arch/arm/mach-gemini/board-wbd111.c | 133 --------- arch/arm/mach-gemini/board-wbd222.c | 133 --------- arch/arm/mach-gemini/common.h | 33 --- arch/arm/mach-gemini/devices.c | 118 -------- arch/arm/mach-gemini/gpio.c | 231 --------------- .../arm/mach-gemini/include/mach/global_reg.h | 278 ------------------ arch/arm/mach-gemini/irq.c | 120 -------- arch/arm/mach-gemini/mm.c | 82 ------ arch/arm/mach-gemini/reset.c | 25 -- arch/arm/mach-gemini/time.c | 239 --------------- 16 files changed, 2 insertions(+), 1651 deletions(-) delete mode 100644 arch/arm/mach-gemini/Kconfig delete mode 100644 arch/arm/mach-gemini/board-nas4220b.c delete mode 100644 arch/arm/mach-gemini/board-rut1xx.c delete mode 100644 arch/arm/mach-gemini/board-wbd111.c delete mode 100644 arch/arm/mach-gemini/board-wbd222.c delete mode 100644 arch/arm/mach-gemini/common.h delete mode 100644 arch/arm/mach-gemini/devices.c delete mode 100644 arch/arm/mach-gemini/gpio.c delete mode 100644 arch/arm/mach-gemini/include/mach/global_reg.h delete mode 100644 arch/arm/mach-gemini/irq.c delete mode 100644 arch/arm/mach-gemini/mm.c delete mode 100644 arch/arm/mach-gemini/reset.c delete mode 100644 arch/arm/mach-gemini/time.c diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 637f5756dca8..150119a9de7b 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -755,8 +755,6 @@ source "arch/arm/mach-ep93xx/Kconfig" source "arch/arm/mach-footbridge/Kconfig" -source "arch/arm/mach-gemini/Kconfig" - source "arch/arm/mach-highbank/Kconfig" source "arch/arm/mach-hisi/Kconfig" diff --git a/arch/arm/mach-gemini/Kconfig b/arch/arm/mach-gemini/Kconfig deleted file mode 100644 index 6f066ee4bf24..000000000000 --- a/arch/arm/mach-gemini/Kconfig +++ /dev/null @@ -1,40 +0,0 @@ -if ARCH_GEMINI - -menu "Cortina Systems Gemini Implementations" - -config MACH_NAS4220B - bool "Raidsonic NAS-4220-B" - select GEMINI_MEM_SWAP - help - Say Y here if you intend to run this kernel on a - Raidsonic NAS-4220-B. - -config MACH_RUT100 - bool "Teltonika RUT100" - select GEMINI_MEM_SWAP - help - Say Y here if you intend to run this kernel on a - Teltonika 3G Router RUT100. - -config MACH_WBD111 - bool "Wiliboard WBD-111" - select GEMINI_MEM_SWAP - help - Say Y here if you intend to run this kernel on a - Wiliboard WBD-111. - -config MACH_WBD222 - bool "Wiliboard WBD-222" - select GEMINI_MEM_SWAP - help - Say Y here if you intend to run this kernel on a - Wiliboard WBD-222. - -endmenu - -config GEMINI_MEM_SWAP - bool "Gemini memory is swapped" - help - Say Y here if Gemini memory is swapped by bootloader. - -endif diff --git a/arch/arm/mach-gemini/Makefile b/arch/arm/mach-gemini/Makefile index 11f07fb6ec3d..30c5acffe948 100644 --- a/arch/arm/mach-gemini/Makefile +++ b/arch/arm/mach-gemini/Makefile @@ -1,13 +1,2 @@ -# -# Makefile for the linux kernel. -# - -# Object file lists. - -obj-y := irq.o mm.o time.o devices.o gpio.o idle.o reset.o board-dt.o - -# Board-specific support -obj-$(CONFIG_MACH_NAS4220B) += board-nas4220b.o -obj-$(CONFIG_MACH_RUT100) += board-rut1xx.o -obj-$(CONFIG_MACH_WBD111) += board-wbd111.o -obj-$(CONFIG_MACH_WBD222) += board-wbd222.o +# Makefile for Cortina systems Gemini +obj-y := idle.o board-dt.o diff --git a/arch/arm/mach-gemini/Makefile.boot b/arch/arm/mach-gemini/Makefile.boot index 683f52b20e3d..760a0efe7580 100644 --- a/arch/arm/mach-gemini/Makefile.boot +++ b/arch/arm/mach-gemini/Makefile.boot @@ -1,9 +1,3 @@ -ifeq ($(CONFIG_GEMINI_MEM_SWAP),y) zreladdr-y += 0x00008000 params_phys-y := 0x00000100 initrd_phys-y := 0x00800000 -else - zreladdr-y += 0x10008000 -params_phys-y := 0x10000100 -initrd_phys-y := 0x10800000 -endif diff --git a/arch/arm/mach-gemini/board-nas4220b.c b/arch/arm/mach-gemini/board-nas4220b.c deleted file mode 100644 index 18b12796acf9..000000000000 --- a/arch/arm/mach-gemini/board-nas4220b.c +++ /dev/null @@ -1,106 +0,0 @@ -/* - * Support for Raidsonic NAS-4220-B - * - * Copyright (C) 2009 Janos Laube - * - * based on rut1xx.c - * Copyright (C) 2008 Paulius Zaleckas - * - * 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. - */ - -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -#include -#include - -#include "common.h" - -static struct gpio_led ib4220b_leds[] = { - { - .name = "nas4220b:orange:hdd", - .default_trigger = "none", - .gpio = 60, - }, - { - .name = "nas4220b:green:os", - .default_trigger = "heartbeat", - .gpio = 62, - }, -}; - -static struct gpio_led_platform_data ib4220b_leds_data = { - .num_leds = ARRAY_SIZE(ib4220b_leds), - .leds = ib4220b_leds, -}; - -static struct platform_device ib4220b_led_device = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = &ib4220b_leds_data, - }, -}; - -static struct gpio_keys_button ib4220b_keys[] = { - { - .code = KEY_SETUP, - .gpio = 61, - .active_low = 1, - .desc = "Backup Button", - .type = EV_KEY, - }, - { - .code = KEY_RESTART, - .gpio = 63, - .active_low = 1, - .desc = "Softreset Button", - .type = EV_KEY, - }, -}; - -static struct gpio_keys_platform_data ib4220b_keys_data = { - .buttons = ib4220b_keys, - .nbuttons = ARRAY_SIZE(ib4220b_keys), -}; - -static struct platform_device ib4220b_key_device = { - .name = "gpio-keys", - .id = -1, - .dev = { - .platform_data = &ib4220b_keys_data, - }, -}; - -static void __init ib4220b_init(void) -{ - gemini_gpio_init(); - platform_register_uart(); - platform_register_pflash(SZ_16M, NULL, 0); - platform_device_register(&ib4220b_led_device); - platform_device_register(&ib4220b_key_device); - platform_register_rtc(); -} - -MACHINE_START(NAS4220B, "Raidsonic NAS IB-4220-B") - .atag_offset = 0x100, - .map_io = gemini_map_io, - .init_irq = gemini_init_irq, - .init_time = gemini_timer_init, - .init_machine = ib4220b_init, - .restart = gemini_restart, -MACHINE_END diff --git a/arch/arm/mach-gemini/board-rut1xx.c b/arch/arm/mach-gemini/board-rut1xx.c deleted file mode 100644 index 7a675f88ffd6..000000000000 --- a/arch/arm/mach-gemini/board-rut1xx.c +++ /dev/null @@ -1,92 +0,0 @@ -/* - * Support for Teltonika RUT1xx - * - * Copyright (C) 2008-2009 Paulius Zaleckas - * - * 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. - */ -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -#include "common.h" - -static struct gpio_keys_button rut1xx_keys[] = { - { - .code = KEY_SETUP, - .gpio = 60, - .active_low = 1, - .desc = "Reset to defaults", - .type = EV_KEY, - }, -}; - -static struct gpio_keys_platform_data rut1xx_keys_data = { - .buttons = rut1xx_keys, - .nbuttons = ARRAY_SIZE(rut1xx_keys), -}; - -static struct platform_device rut1xx_keys_device = { - .name = "gpio-keys", - .id = -1, - .dev = { - .platform_data = &rut1xx_keys_data, - }, -}; - -static struct gpio_led rut100_leds[] = { - { - .name = "Power", - .default_trigger = "heartbeat", - .gpio = 17, - }, - { - .name = "GSM", - .default_trigger = "default-on", - .gpio = 7, - .active_low = 1, - }, -}; - -static struct gpio_led_platform_data rut100_leds_data = { - .num_leds = ARRAY_SIZE(rut100_leds), - .leds = rut100_leds, -}; - -static struct platform_device rut1xx_leds = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = &rut100_leds_data, - }, -}; - -static void __init rut1xx_init(void) -{ - gemini_gpio_init(); - platform_register_uart(); - platform_register_pflash(SZ_8M, NULL, 0); - platform_device_register(&rut1xx_leds); - platform_device_register(&rut1xx_keys_device); - platform_register_rtc(); -} - -MACHINE_START(RUT100, "Teltonika RUT100") - .atag_offset = 0x100, - .map_io = gemini_map_io, - .init_irq = gemini_init_irq, - .init_time = gemini_timer_init, - .init_machine = rut1xx_init, - .restart = gemini_restart, -MACHINE_END diff --git a/arch/arm/mach-gemini/board-wbd111.c b/arch/arm/mach-gemini/board-wbd111.c deleted file mode 100644 index 14c56f3f0ec2..000000000000 --- a/arch/arm/mach-gemini/board-wbd111.c +++ /dev/null @@ -1,133 +0,0 @@ -/* - * Support for Wiliboard WBD-111 - * - * Copyright (C) 2009 Imre Kaloz - * - * 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. - */ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - - -#include "common.h" - -static struct gpio_keys_button wbd111_keys[] = { - { - .code = KEY_SETUP, - .gpio = 5, - .active_low = 1, - .desc = "reset", - .type = EV_KEY, - }, -}; - -static struct gpio_keys_platform_data wbd111_keys_data = { - .buttons = wbd111_keys, - .nbuttons = ARRAY_SIZE(wbd111_keys), -}; - -static struct platform_device wbd111_keys_device = { - .name = "gpio-keys", - .id = -1, - .dev = { - .platform_data = &wbd111_keys_data, - }, -}; - -static struct gpio_led wbd111_leds[] = { - { - .name = "L3red", - .gpio = 1, - }, - { - .name = "L4green", - .gpio = 2, - }, - { - .name = "L4red", - .gpio = 3, - }, - { - .name = "L3green", - .gpio = 5, - }, -}; - -static struct gpio_led_platform_data wbd111_leds_data = { - .num_leds = ARRAY_SIZE(wbd111_leds), - .leds = wbd111_leds, -}; - -static struct platform_device wbd111_leds_device = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = &wbd111_leds_data, - }, -}; - -static struct mtd_partition wbd111_partitions[] = { - { - .name = "RedBoot", - .offset = 0, - .size = 0x020000, - .mask_flags = MTD_WRITEABLE, - } , { - .name = "kernel", - .offset = 0x020000, - .size = 0x100000, - } , { - .name = "rootfs", - .offset = 0x120000, - .size = 0x6a0000, - } , { - .name = "VCTL", - .offset = 0x7c0000, - .size = 0x010000, - .mask_flags = MTD_WRITEABLE, - } , { - .name = "cfg", - .offset = 0x7d0000, - .size = 0x010000, - .mask_flags = MTD_WRITEABLE, - } , { - .name = "FIS", - .offset = 0x7e0000, - .size = 0x010000, - .mask_flags = MTD_WRITEABLE, - } -}; -#define wbd111_num_partitions ARRAY_SIZE(wbd111_partitions) - -static void __init wbd111_init(void) -{ - gemini_gpio_init(); - platform_register_uart(); - platform_register_pflash(SZ_8M, wbd111_partitions, - wbd111_num_partitions); - platform_device_register(&wbd111_leds_device); - platform_device_register(&wbd111_keys_device); - platform_register_rtc(); -} - -MACHINE_START(WBD111, "Wiliboard WBD-111") - .atag_offset = 0x100, - .map_io = gemini_map_io, - .init_irq = gemini_init_irq, - .init_time = gemini_timer_init, - .init_machine = wbd111_init, - .restart = gemini_restart, -MACHINE_END diff --git a/arch/arm/mach-gemini/board-wbd222.c b/arch/arm/mach-gemini/board-wbd222.c deleted file mode 100644 index 6070282ce243..000000000000 --- a/arch/arm/mach-gemini/board-wbd222.c +++ /dev/null @@ -1,133 +0,0 @@ -/* - * Support for Wiliboard WBD-222 - * - * Copyright (C) 2009 Imre Kaloz - * - * 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. - */ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - - -#include "common.h" - -static struct gpio_keys_button wbd222_keys[] = { - { - .code = KEY_SETUP, - .gpio = 5, - .active_low = 1, - .desc = "reset", - .type = EV_KEY, - }, -}; - -static struct gpio_keys_platform_data wbd222_keys_data = { - .buttons = wbd222_keys, - .nbuttons = ARRAY_SIZE(wbd222_keys), -}; - -static struct platform_device wbd222_keys_device = { - .name = "gpio-keys", - .id = -1, - .dev = { - .platform_data = &wbd222_keys_data, - }, -}; - -static struct gpio_led wbd222_leds[] = { - { - .name = "L3red", - .gpio = 1, - }, - { - .name = "L4green", - .gpio = 2, - }, - { - .name = "L4red", - .gpio = 3, - }, - { - .name = "L3green", - .gpio = 5, - }, -}; - -static struct gpio_led_platform_data wbd222_leds_data = { - .num_leds = ARRAY_SIZE(wbd222_leds), - .leds = wbd222_leds, -}; - -static struct platform_device wbd222_leds_device = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = &wbd222_leds_data, - }, -}; - -static struct mtd_partition wbd222_partitions[] = { - { - .name = "RedBoot", - .offset = 0, - .size = 0x020000, - .mask_flags = MTD_WRITEABLE, - } , { - .name = "kernel", - .offset = 0x020000, - .size = 0x100000, - } , { - .name = "rootfs", - .offset = 0x120000, - .size = 0x6a0000, - } , { - .name = "VCTL", - .offset = 0x7c0000, - .size = 0x010000, - .mask_flags = MTD_WRITEABLE, - } , { - .name = "cfg", - .offset = 0x7d0000, - .size = 0x010000, - .mask_flags = MTD_WRITEABLE, - } , { - .name = "FIS", - .offset = 0x7e0000, - .size = 0x010000, - .mask_flags = MTD_WRITEABLE, - } -}; -#define wbd222_num_partitions ARRAY_SIZE(wbd222_partitions) - -static void __init wbd222_init(void) -{ - gemini_gpio_init(); - platform_register_uart(); - platform_register_pflash(SZ_8M, wbd222_partitions, - wbd222_num_partitions); - platform_device_register(&wbd222_leds_device); - platform_device_register(&wbd222_keys_device); - platform_register_rtc(); -} - -MACHINE_START(WBD222, "Wiliboard WBD-222") - .atag_offset = 0x100, - .map_io = gemini_map_io, - .init_irq = gemini_init_irq, - .init_time = gemini_timer_init, - .init_machine = wbd222_init, - .restart = gemini_restart, -MACHINE_END diff --git a/arch/arm/mach-gemini/common.h b/arch/arm/mach-gemini/common.h deleted file mode 100644 index dd883698ff7e..000000000000 --- a/arch/arm/mach-gemini/common.h +++ /dev/null @@ -1,33 +0,0 @@ -/* - * Common Gemini architecture functions - * - * Copyright (C) 2008-2009 Paulius Zaleckas - * - * 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. - */ - -#ifndef __GEMINI_COMMON_H__ -#define __GEMINI_COMMON_H__ - -#include - -struct mtd_partition; - -extern void gemini_map_io(void); -extern void gemini_init_irq(void); -extern void gemini_timer_init(void); -extern void gemini_gpio_init(void); -extern void platform_register_rtc(void); - -/* Common platform devices registration functions */ -extern int platform_register_uart(void); -extern int platform_register_pflash(unsigned int size, - struct mtd_partition *parts, - unsigned int nr_parts); - -extern void gemini_restart(enum reboot_mode mode, const char *cmd); - -#endif /* __GEMINI_COMMON_H__ */ diff --git a/arch/arm/mach-gemini/devices.c b/arch/arm/mach-gemini/devices.c deleted file mode 100644 index 5cff29818b73..000000000000 --- a/arch/arm/mach-gemini/devices.c +++ /dev/null @@ -1,118 +0,0 @@ -/* - * Common devices definition for Gemini - * - * Copyright (C) 2008-2009 Paulius Zaleckas - * - * 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. - */ -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -static struct plat_serial8250_port serial_platform_data[] = { - { - .membase = (void *)IO_ADDRESS(GEMINI_UART_BASE), - .mapbase = GEMINI_UART_BASE, - .irq = IRQ_UART, - .uartclk = UART_CLK, - .regshift = 2, - .iotype = UPIO_MEM, - .type = PORT_16550A, - .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_FIXED_TYPE, - }, - {}, -}; - -static struct platform_device serial_device = { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM, - .dev = { - .platform_data = serial_platform_data, - }, -}; - -int platform_register_uart(void) -{ - return platform_device_register(&serial_device); -} - -static struct resource flash_resource = { - .start = GEMINI_FLASH_BASE, - .flags = IORESOURCE_MEM, -}; - -static struct physmap_flash_data pflash_platform_data = {}; - -static struct platform_device pflash_device = { - .name = "physmap-flash", - .id = 0, - .dev = { - .platform_data = &pflash_platform_data, - }, - .resource = &flash_resource, - .num_resources = 1, -}; - -int platform_register_pflash(unsigned int size, struct mtd_partition *parts, - unsigned int nr_parts) -{ - unsigned int reg; - - reg = __raw_readl(IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_STATUS); - - if ((reg & FLASH_TYPE_MASK) != FLASH_TYPE_PARALLEL) - return -ENXIO; - - if (reg & FLASH_WIDTH_16BIT) - pflash_platform_data.width = 2; - else - pflash_platform_data.width = 1; - - /* enable parallel flash pins and disable others */ - reg = __raw_readl(IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_MISC_CTRL); - reg &= ~PFLASH_PADS_DISABLE; - reg |= SFLASH_PADS_DISABLE | NAND_PADS_DISABLE; - __raw_writel(reg, IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_MISC_CTRL); - - flash_resource.end = flash_resource.start + size - 1; - - pflash_platform_data.parts = parts; - pflash_platform_data.nr_parts = nr_parts; - - return platform_device_register(&pflash_device); -} - -static struct resource gemini_rtc_resources[] = { - [0] = { - .start = GEMINI_RTC_BASE, - .end = GEMINI_RTC_BASE + 0x24, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_RTC, - .end = IRQ_RTC, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device gemini_rtc_device = { - .name = "rtc-gemini", - .id = 0, - .num_resources = ARRAY_SIZE(gemini_rtc_resources), - .resource = gemini_rtc_resources, -}; - -int __init platform_register_rtc(void) -{ - return platform_device_register(&gemini_rtc_device); -} - diff --git a/arch/arm/mach-gemini/gpio.c b/arch/arm/mach-gemini/gpio.c deleted file mode 100644 index 469a76ea0459..000000000000 --- a/arch/arm/mach-gemini/gpio.c +++ /dev/null @@ -1,231 +0,0 @@ -/* - * Gemini gpiochip and interrupt routines - * - * Copyright (C) 2008-2009 Paulius Zaleckas - * - * Based on plat-mxc/gpio.c: - * MXC GPIO support. (c) 2008 Daniel Mack - * Copyright 2008 Juergen Beisert, kernel@pengutronix.de - * - * 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. - */ - -#include -#include -#include -#include -#include - -#include -#include - -#define GPIO_BASE(x) IO_ADDRESS(GEMINI_GPIO_BASE(x)) -#define irq_to_gpio(x) ((x) - GPIO_IRQ_BASE) - -/* GPIO registers definition */ -#define GPIO_DATA_OUT 0x0 -#define GPIO_DATA_IN 0x4 -#define GPIO_DIR 0x8 -#define GPIO_DATA_SET 0x10 -#define GPIO_DATA_CLR 0x14 -#define GPIO_PULL_EN 0x18 -#define GPIO_PULL_TYPE 0x1C -#define GPIO_INT_EN 0x20 -#define GPIO_INT_STAT 0x24 -#define GPIO_INT_MASK 0x2C -#define GPIO_INT_CLR 0x30 -#define GPIO_INT_TYPE 0x34 -#define GPIO_INT_BOTH_EDGE 0x38 -#define GPIO_INT_LEVEL 0x3C -#define GPIO_DEBOUNCE_EN 0x40 -#define GPIO_DEBOUNCE_PRESCALE 0x44 - -#define GPIO_PORT_NUM 3 - -static void _set_gpio_irqenable(void __iomem *base, unsigned int index, - int enable) -{ - unsigned int reg; - - reg = __raw_readl(base + GPIO_INT_EN); - reg = (reg & (~(1 << index))) | (!!enable << index); - __raw_writel(reg, base + GPIO_INT_EN); -} - -static void gpio_ack_irq(struct irq_data *d) -{ - unsigned int gpio = irq_to_gpio(d->irq); - void __iomem *base = GPIO_BASE(gpio / 32); - - __raw_writel(1 << (gpio % 32), base + GPIO_INT_CLR); -} - -static void gpio_mask_irq(struct irq_data *d) -{ - unsigned int gpio = irq_to_gpio(d->irq); - void __iomem *base = GPIO_BASE(gpio / 32); - - _set_gpio_irqenable(base, gpio % 32, 0); -} - -static void gpio_unmask_irq(struct irq_data *d) -{ - unsigned int gpio = irq_to_gpio(d->irq); - void __iomem *base = GPIO_BASE(gpio / 32); - - _set_gpio_irqenable(base, gpio % 32, 1); -} - -static int gpio_set_irq_type(struct irq_data *d, unsigned int type) -{ - unsigned int gpio = irq_to_gpio(d->irq); - unsigned int gpio_mask = 1 << (gpio % 32); - void __iomem *base = GPIO_BASE(gpio / 32); - unsigned int reg_both, reg_level, reg_type; - - reg_type = __raw_readl(base + GPIO_INT_TYPE); - reg_level = __raw_readl(base + GPIO_INT_LEVEL); - reg_both = __raw_readl(base + GPIO_INT_BOTH_EDGE); - - switch (type) { - case IRQ_TYPE_EDGE_BOTH: - reg_type &= ~gpio_mask; - reg_both |= gpio_mask; - break; - case IRQ_TYPE_EDGE_RISING: - reg_type &= ~gpio_mask; - reg_both &= ~gpio_mask; - reg_level &= ~gpio_mask; - break; - case IRQ_TYPE_EDGE_FALLING: - reg_type &= ~gpio_mask; - reg_both &= ~gpio_mask; - reg_level |= gpio_mask; - break; - case IRQ_TYPE_LEVEL_HIGH: - reg_type |= gpio_mask; - reg_level &= ~gpio_mask; - break; - case IRQ_TYPE_LEVEL_LOW: - reg_type |= gpio_mask; - reg_level |= gpio_mask; - break; - default: - return -EINVAL; - } - - __raw_writel(reg_type, base + GPIO_INT_TYPE); - __raw_writel(reg_level, base + GPIO_INT_LEVEL); - __raw_writel(reg_both, base + GPIO_INT_BOTH_EDGE); - - gpio_ack_irq(d); - - return 0; -} - -static void gpio_irq_handler(struct irq_desc *desc) -{ - unsigned int port = (unsigned int)irq_desc_get_handler_data(desc); - unsigned int gpio_irq_no, irq_stat; - - irq_stat = __raw_readl(GPIO_BASE(port) + GPIO_INT_STAT); - - gpio_irq_no = GPIO_IRQ_BASE + port * 32; - for (; irq_stat != 0; irq_stat >>= 1, gpio_irq_no++) { - - if ((irq_stat & 1) == 0) - continue; - - generic_handle_irq(gpio_irq_no); - } -} - -static struct irq_chip gpio_irq_chip = { - .name = "GPIO", - .irq_ack = gpio_ack_irq, - .irq_mask = gpio_mask_irq, - .irq_unmask = gpio_unmask_irq, - .irq_set_type = gpio_set_irq_type, -}; - -static void _set_gpio_direction(struct gpio_chip *chip, unsigned offset, - int dir) -{ - void __iomem *base = GPIO_BASE(offset / 32); - unsigned int reg; - - reg = __raw_readl(base + GPIO_DIR); - if (dir) - reg |= 1 << (offset % 32); - else - reg &= ~(1 << (offset % 32)); - __raw_writel(reg, base + GPIO_DIR); -} - -static void gemini_gpio_set(struct gpio_chip *chip, unsigned offset, int value) -{ - void __iomem *base = GPIO_BASE(offset / 32); - - if (value) - __raw_writel(1 << (offset % 32), base + GPIO_DATA_SET); - else - __raw_writel(1 << (offset % 32), base + GPIO_DATA_CLR); -} - -static int gemini_gpio_get(struct gpio_chip *chip, unsigned offset) -{ - void __iomem *base = GPIO_BASE(offset / 32); - - return (__raw_readl(base + GPIO_DATA_IN) >> (offset % 32)) & 1; -} - -static int gemini_gpio_direction_input(struct gpio_chip *chip, unsigned offset) -{ - _set_gpio_direction(chip, offset, 0); - return 0; -} - -static int gemini_gpio_direction_output(struct gpio_chip *chip, unsigned offset, - int value) -{ - _set_gpio_direction(chip, offset, 1); - gemini_gpio_set(chip, offset, value); - return 0; -} - -static struct gpio_chip gemini_gpio_chip = { - .label = "Gemini", - .direction_input = gemini_gpio_direction_input, - .get = gemini_gpio_get, - .direction_output = gemini_gpio_direction_output, - .set = gemini_gpio_set, - .base = 0, - .ngpio = GPIO_PORT_NUM * 32, -}; - -void __init gemini_gpio_init(void) -{ - int i, j; - - for (i = 0; i < GPIO_PORT_NUM; i++) { - /* disable, unmask and clear all interrupts */ - __raw_writel(0x0, GPIO_BASE(i) + GPIO_INT_EN); - __raw_writel(0x0, GPIO_BASE(i) + GPIO_INT_MASK); - __raw_writel(~0x0, GPIO_BASE(i) + GPIO_INT_CLR); - - for (j = GPIO_IRQ_BASE + i * 32; - j < GPIO_IRQ_BASE + (i + 1) * 32; j++) { - irq_set_chip_and_handler(j, &gpio_irq_chip, - handle_edge_irq); - irq_clear_status_flags(j, IRQ_NOREQUEST); - } - - irq_set_chained_handler_and_data(IRQ_GPIO(i), gpio_irq_handler, - (void *)i); - } - - BUG_ON(gpiochip_add_data(&gemini_gpio_chip, NULL)); -} diff --git a/arch/arm/mach-gemini/include/mach/global_reg.h b/arch/arm/mach-gemini/include/mach/global_reg.h deleted file mode 100644 index de7ff7e849fc..000000000000 --- a/arch/arm/mach-gemini/include/mach/global_reg.h +++ /dev/null @@ -1,278 +0,0 @@ -/* - * This file contains the hardware definitions for Gemini. - * - * Copyright (C) 2009 Paulius Zaleckas - * - * 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. - */ -#ifndef __MACH_GLOBAL_REG_H -#define __MACH_GLOBAL_REG_H - -/* Global Word ID Register*/ -#define GLOBAL_ID 0x00 - -#define CHIP_ID(reg) ((reg) >> 8) -#define CHIP_REVISION(reg) ((reg) & 0xFF) - -/* Global Status Register */ -#define GLOBAL_STATUS 0x04 - -#define CPU_BIG_ENDIAN (1 << 31) -#define PLL_OSC_30M (1 << 30) /* else 60MHz */ - -#define OPERATION_MODE_MASK (0xF << 26) -#define OPM_IDDQ (0xF << 26) -#define OPM_NAND (0xE << 26) -#define OPM_RING (0xD << 26) -#define OPM_DIRECT_BOOT (0xC << 26) -#define OPM_USB1_PHY_TEST (0xB << 26) -#define OPM_USB0_PHY_TEST (0xA << 26) -#define OPM_SATA1_PHY_TEST (0x9 << 26) -#define OPM_SATA0_PHY_TEST (0x8 << 26) -#define OPM_ICE_ARM (0x7 << 26) -#define OPM_ICE_FARADAY (0x6 << 26) -#define OPM_PLL_BYPASS (0x5 << 26) -#define OPM_DEBUG (0x4 << 26) -#define OPM_BURN_IN (0x3 << 26) -#define OPM_MBIST (0x2 << 26) -#define OPM_SCAN (0x1 << 26) -#define OPM_REAL (0x0 << 26) - -#define FLASH_TYPE_MASK (0x3 << 24) -#define FLASH_TYPE_NAND_2K (0x3 << 24) -#define FLASH_TYPE_NAND_512 (0x2 << 24) -#define FLASH_TYPE_PARALLEL (0x1 << 24) -#define FLASH_TYPE_SERIAL (0x0 << 24) -/* if parallel */ -#define FLASH_WIDTH_16BIT (1 << 23) /* else 8 bit */ -/* if serial */ -#define FLASH_ATMEL (1 << 23) /* else STM */ - -#define FLASH_SIZE_MASK (0x3 << 21) -#define NAND_256M (0x3 << 21) /* and more */ -#define NAND_128M (0x2 << 21) -#define NAND_64M (0x1 << 21) -#define NAND_32M (0x0 << 21) -#define ATMEL_16M (0x3 << 21) /* and more */ -#define ATMEL_8M (0x2 << 21) -#define ATMEL_4M_2M (0x1 << 21) -#define ATMEL_1M (0x0 << 21) /* and less */ -#define STM_32M (1 << 22) /* and more */ -#define STM_16M (0 << 22) /* and less */ - -#define FLASH_PARALLEL_HIGH_PIN_CNT (1 << 20) /* else low pin cnt */ - -#define CPU_AHB_RATIO_MASK (0x3 << 18) -#define CPU_AHB_1_1 (0x0 << 18) -#define CPU_AHB_3_2 (0x1 << 18) -#define CPU_AHB_24_13 (0x2 << 18) -#define CPU_AHB_2_1 (0x3 << 18) - -#define REG_TO_AHB_SPEED(reg) ((((reg) >> 15) & 0x7) * 10 + 130) -#define AHB_SPEED_TO_REG(x) ((((x - 130)) / 10) << 15) - -/* it is posible to override some settings, use >> OVERRIDE_xxxx_SHIFT */ -#define OVERRIDE_FLASH_TYPE_SHIFT 16 -#define OVERRIDE_FLASH_WIDTH_SHIFT 16 -#define OVERRIDE_FLASH_SIZE_SHIFT 16 -#define OVERRIDE_CPU_AHB_RATIO_SHIFT 15 -#define OVERRIDE_AHB_SPEED_SHIFT 15 - -/* Global PLL Control Register */ -#define GLOBAL_PLL_CTRL 0x08 - -#define PLL_BYPASS (1 << 31) -#define PLL_POWER_DOWN (1 << 8) -#define PLL_CONTROL_Q (0x1F << 0) - -/* Global Soft Reset Control Register */ -#define GLOBAL_RESET 0x0C - -#define RESET_GLOBAL (1 << 31) -#define RESET_CPU1 (1 << 30) -#define RESET_TVE (1 << 28) -#define RESET_SATA1 (1 << 27) -#define RESET_SATA0 (1 << 26) -#define RESET_CIR (1 << 25) -#define RESET_EXT_DEV (1 << 24) -#define RESET_WD (1 << 23) -#define RESET_GPIO2 (1 << 22) -#define RESET_GPIO1 (1 << 21) -#define RESET_GPIO0 (1 << 20) -#define RESET_SSP (1 << 19) -#define RESET_UART (1 << 18) -#define RESET_TIMER (1 << 17) -#define RESET_RTC (1 << 16) -#define RESET_INT1 (1 << 15) -#define RESET_INT0 (1 << 14) -#define RESET_LCD (1 << 13) -#define RESET_LPC (1 << 12) -#define RESET_APB (1 << 11) -#define RESET_DMA (1 << 10) -#define RESET_USB1 (1 << 9) -#define RESET_USB0 (1 << 8) -#define RESET_PCI (1 << 7) -#define RESET_GMAC1 (1 << 6) -#define RESET_GMAC0 (1 << 5) -#define RESET_SECURITY (1 << 4) -#define RESET_RAID (1 << 3) -#define RESET_IDE (1 << 2) -#define RESET_FLASH (1 << 1) -#define RESET_DRAM (1 << 0) - -/* Global IO Pad Driving Capability Control Register */ -#define GLOBAL_IO_DRIVING_CTRL 0x10 - -#define DRIVING_CURRENT_MASK 0x3 - -/* here 00-4mA, 01-8mA, 10-12mA, 11-16mA */ -#define GPIO1_PADS_31_28_SHIFT 28 -#define GPIO0_PADS_31_16_SHIFT 26 -#define GPIO0_PADS_15_0_SHIFT 24 -#define PCI_AND_EXT_RESET_PADS_SHIFT 22 -#define IDE_PADS_SHIFT 20 -#define GMAC1_PADS_SHIFT 18 -#define GMAC0_PADS_SHIFT 16 -/* DRAM is not in mA and poorly documented */ -#define DRAM_CLOCK_PADS_SHIFT 8 -#define DRAM_DATA_PADS_SHIFT 4 -#define DRAM_CONTROL_PADS_SHIFT 0 - -/* Global IO Pad Slew Rate Control Register */ -#define GLOBAL_IO_SLEW_RATE_CTRL 0x14 - -#define GPIO1_PADS_31_28_SLOW (1 << 10) -#define GPIO0_PADS_31_16_SLOW (1 << 9) -#define GPIO0_PADS_15_0_SLOW (1 << 8) -#define PCI_PADS_SLOW (1 << 7) -#define IDE_PADS_SLOW (1 << 6) -#define GMAC1_PADS_SLOW (1 << 5) -#define GMAC0_PADS_SLOW (1 << 4) -#define DRAM_CLOCK_PADS_SLOW (1 << 1) -#define DRAM_IO_PADS_SLOW (1 << 0) - -/* - * General skew control defines - * 16 steps, each step is around 0.2ns - */ -#define SKEW_MASK 0xF - -/* Global IDE PAD Skew Control Register */ -#define GLOBAL_IDE_SKEW_CTRL 0x18 - -#define IDE1_HOST_STROBE_DELAY_SHIFT 28 -#define IDE1_DEVICE_STROBE_DELAY_SHIFT 24 -#define IDE1_OUTPUT_IO_SKEW_SHIFT 20 -#define IDE1_INPUT_IO_SKEW_SHIFT 16 -#define IDE0_HOST_STROBE_DELAY_SHIFT 12 -#define IDE0_DEVICE_STROBE_DELAY_SHIFT 8 -#define IDE0_OUTPUT_IO_SKEW_SHIFT 4 -#define IDE0_INPUT_IO_SKEW_SHIFT 0 - -/* Global GMAC Control Pad Skew Control Register */ -#define GLOBAL_GMAC_CTRL_SKEW_CTRL 0x1C - -#define GMAC1_TXC_SKEW_SHIFT 28 -#define GMAC1_TXEN_SKEW_SHIFT 24 -#define GMAC1_RXC_SKEW_SHIFT 20 -#define GMAC1_RXDV_SKEW_SHIFT 16 -#define GMAC0_TXC_SKEW_SHIFT 12 -#define GMAC0_TXEN_SKEW_SHIFT 8 -#define GMAC0_RXC_SKEW_SHIFT 4 -#define GMAC0_RXDV_SKEW_SHIFT 0 - -/* Global GMAC0 Data PAD Skew Control Register */ -#define GLOBAL_GMAC0_DATA_SKEW_CTRL 0x20 -/* Global GMAC1 Data PAD Skew Control Register */ -#define GLOBAL_GMAC1_DATA_SKEW_CTRL 0x24 - -#define GMAC_TXD_SKEW_SHIFT(x) (((x) * 4) + 16) -#define GMAC_RXD_SKEW_SHIFT(x) ((x) * 4) - -/* CPU has two AHB busses. */ - -/* Global Arbitration0 Control Register */ -#define GLOBAL_ARBITRATION0_CTRL 0x28 - -#define BOOT_CONTROLLER_HIGH_PRIO (1 << 3) -#define DMA_BUS1_HIGH_PRIO (1 << 2) -#define CPU0_HIGH_PRIO (1 << 0) - -/* Global Arbitration1 Control Register */ -#define GLOBAL_ARBITRATION1_CTRL 0x2C - -#define TVE_HIGH_PRIO (1 << 9) -#define PCI_HIGH_PRIO (1 << 8) -#define USB1_HIGH_PRIO (1 << 7) -#define USB0_HIGH_PRIO (1 << 6) -#define GMAC1_HIGH_PRIO (1 << 5) -#define GMAC0_HIGH_PRIO (1 << 4) -#define SECURITY_HIGH_PRIO (1 << 3) -#define RAID_HIGH_PRIO (1 << 2) -#define IDE_HIGH_PRIO (1 << 1) -#define DMA_BUS2_HIGH_PRIO (1 << 0) - -/* Common bits for both arbitration registers */ -#define BURST_LENGTH_SHIFT 16 -#define BURST_LENGTH_MASK (0x3F << 16) - -/* Miscellaneous Control Register */ -#define GLOBAL_MISC_CTRL 0x30 - -#define MEMORY_SPACE_SWAP (1 << 31) -#define USB1_PLUG_MINIB (1 << 30) /* else plug is mini-A */ -#define USB0_PLUG_MINIB (1 << 29) -#define GMAC_GMII (1 << 28) -#define GMAC_1_ENABLE (1 << 27) -/* TODO: define ATA/SATA bits */ -#define USB1_VBUS_ON (1 << 23) -#define USB0_VBUS_ON (1 << 22) -#define APB_CLKOUT_ENABLE (1 << 21) -#define TVC_CLKOUT_ENABLE (1 << 20) -#define EXT_CLKIN_ENABLE (1 << 19) -#define PCI_66MHZ (1 << 18) /* else 33 MHz */ -#define PCI_CLKOUT_ENABLE (1 << 17) -#define LPC_CLKOUT_ENABLE (1 << 16) -#define USB1_WAKEUP_ON (1 << 15) -#define USB0_WAKEUP_ON (1 << 14) -/* TODO: define PCI idle detect bits */ -#define TVC_PADS_ENABLE (1 << 9) -#define SSP_PADS_ENABLE (1 << 8) -#define LCD_PADS_ENABLE (1 << 7) -#define LPC_PADS_ENABLE (1 << 6) -#define PCI_PADS_ENABLE (1 << 5) -#define IDE_PADS_ENABLE (1 << 4) -#define DRAM_PADS_POWER_DOWN (1 << 3) -#define NAND_PADS_DISABLE (1 << 2) -#define PFLASH_PADS_DISABLE (1 << 1) -#define SFLASH_PADS_DISABLE (1 << 0) - -/* Global Clock Control Register */ -#define GLOBAL_CLOCK_CTRL 0x34 - -#define POWER_STATE_G0 (1 << 31) -#define POWER_STATE_S1 (1 << 30) /* else it is S3/S4 state */ -#define SECURITY_APB_AHB (1 << 29) -/* else Security APB clk will be 0.75xAHB */ -/* TODO: TVC clock divider */ -#define PCI_CLKRUN_ENABLE (1 << 16) -#define BOOT_CLK_DISABLE (1 << 13) -#define TVC_CLK_DISABLE (1 << 12) -#define FLASH_CLK_DISABLE (1 << 11) -#define DDR_CLK_DISABLE (1 << 10) -#define PCI_CLK_DISABLE (1 << 9) -#define IDE_CLK_DISABLE (1 << 8) -#define USB1_CLK_DISABLE (1 << 7) -#define USB0_CLK_DISABLE (1 << 6) -#define SATA1_CLK_DISABLE (1 << 5) -#define SATA0_CLK_DISABLE (1 << 4) -#define GMAC1_CLK_DISABLE (1 << 3) -#define GMAC0_CLK_DISABLE (1 << 2) -#define SECURITY_CLK_DISABLE (1 << 1) - -/* TODO: other registers definitions if needed */ - -#endif /* __MACH_GLOBAL_REG_H */ diff --git a/arch/arm/mach-gemini/irq.c b/arch/arm/mach-gemini/irq.c deleted file mode 100644 index 37d52e372456..000000000000 --- a/arch/arm/mach-gemini/irq.c +++ /dev/null @@ -1,120 +0,0 @@ -/* - * Interrupt routines for Gemini - * - * Copyright (C) 2001-2006 Storlink, Corp. - * Copyright (C) 2008-2009 Paulius Zaleckas - * - * 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. - */ -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include - -#define IRQ_SOURCE(base_addr) (base_addr + 0x00) -#define IRQ_MASK(base_addr) (base_addr + 0x04) -#define IRQ_CLEAR(base_addr) (base_addr + 0x08) -#define IRQ_TMODE(base_addr) (base_addr + 0x0C) -#define IRQ_TLEVEL(base_addr) (base_addr + 0x10) -#define IRQ_STATUS(base_addr) (base_addr + 0x14) -#define FIQ_SOURCE(base_addr) (base_addr + 0x20) -#define FIQ_MASK(base_addr) (base_addr + 0x24) -#define FIQ_CLEAR(base_addr) (base_addr + 0x28) -#define FIQ_TMODE(base_addr) (base_addr + 0x2C) -#define FIQ_LEVEL(base_addr) (base_addr + 0x30) -#define FIQ_STATUS(base_addr) (base_addr + 0x34) - -static void gemini_ack_irq(struct irq_data *d) -{ - __raw_writel(1 << d->irq, IRQ_CLEAR(IO_ADDRESS(GEMINI_INTERRUPT_BASE))); -} - -static void gemini_mask_irq(struct irq_data *d) -{ - unsigned int mask; - - mask = __raw_readl(IRQ_MASK(IO_ADDRESS(GEMINI_INTERRUPT_BASE))); - mask &= ~(1 << d->irq); - __raw_writel(mask, IRQ_MASK(IO_ADDRESS(GEMINI_INTERRUPT_BASE))); -} - -static void gemini_unmask_irq(struct irq_data *d) -{ - unsigned int mask; - - mask = __raw_readl(IRQ_MASK(IO_ADDRESS(GEMINI_INTERRUPT_BASE))); - mask |= (1 << d->irq); - __raw_writel(mask, IRQ_MASK(IO_ADDRESS(GEMINI_INTERRUPT_BASE))); -} - -static struct irq_chip gemini_irq_chip = { - .name = "INTC", - .irq_ack = gemini_ack_irq, - .irq_mask = gemini_mask_irq, - .irq_unmask = gemini_unmask_irq, -}; - - -asmlinkage void __exception_irq_entry gemini_handle_irq(struct pt_regs *regs) -{ - int irq; - unsigned status; - - while ((status = __raw_readl(IRQ_STATUS(IO_ADDRESS(GEMINI_INTERRUPT_BASE))))) { - irq = ffs(status) - 1; - handle_domain_irq(NULL, irq, regs); - } -} - -static struct resource irq_resource = { - .name = "irq_handler", - .start = GEMINI_INTERRUPT_BASE, - .end = FIQ_STATUS(GEMINI_INTERRUPT_BASE) + 4, -}; - -void __init gemini_init_irq(void) -{ - unsigned int i, mode = 0, level = 0; - - /* - * Disable the idle handler by default since it is buggy - * For more info see arch/arm/mach-gemini/idle.c - */ - cpu_idle_poll_ctrl(true); - - request_resource(&iomem_resource, &irq_resource); - - for (i = 0; i < NR_IRQS; i++) { - irq_set_chip(i, &gemini_irq_chip); - if((i >= IRQ_TIMER1 && i <= IRQ_TIMER3) || (i >= IRQ_SERIRQ0 && i <= IRQ_SERIRQ1)) { - irq_set_handler(i, handle_edge_irq); - mode |= 1 << i; - level |= 1 << i; - } else { - irq_set_handler(i, handle_level_irq); - } - irq_clear_status_flags(i, IRQ_NOREQUEST | IRQ_NOPROBE); - } - - /* Disable all interrupts */ - __raw_writel(0, IRQ_MASK(IO_ADDRESS(GEMINI_INTERRUPT_BASE))); - __raw_writel(0, FIQ_MASK(IO_ADDRESS(GEMINI_INTERRUPT_BASE))); - - /* Set interrupt mode */ - __raw_writel(mode, IRQ_TMODE(IO_ADDRESS(GEMINI_INTERRUPT_BASE))); - __raw_writel(level, IRQ_TLEVEL(IO_ADDRESS(GEMINI_INTERRUPT_BASE))); - - set_handle_irq(gemini_handle_irq); -} diff --git a/arch/arm/mach-gemini/mm.c b/arch/arm/mach-gemini/mm.c deleted file mode 100644 index 2c2cd284bb6a..000000000000 --- a/arch/arm/mach-gemini/mm.c +++ /dev/null @@ -1,82 +0,0 @@ -/* - * Static mappings for Gemini - * - * Copyright (C) 2001-2006 Storlink, Corp. - * Copyright (C) 2008-2009 Paulius Zaleckas - * - * 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. - */ -#include -#include - -#include - -#include - -/* Page table mapping for I/O region */ -static struct map_desc gemini_io_desc[] __initdata = { - { - .virtual = (unsigned long)IO_ADDRESS(GEMINI_GLOBAL_BASE), - .pfn =__phys_to_pfn(GEMINI_GLOBAL_BASE), - .length = SZ_512K, - .type = MT_DEVICE, - }, { - .virtual = (unsigned long)IO_ADDRESS(GEMINI_UART_BASE), - .pfn = __phys_to_pfn(GEMINI_UART_BASE), - .length = SZ_512K, - .type = MT_DEVICE, - }, { - .virtual = (unsigned long)IO_ADDRESS(GEMINI_TIMER_BASE), - .pfn = __phys_to_pfn(GEMINI_TIMER_BASE), - .length = SZ_512K, - .type = MT_DEVICE, - }, { - .virtual = (unsigned long)IO_ADDRESS(GEMINI_INTERRUPT_BASE), - .pfn = __phys_to_pfn(GEMINI_INTERRUPT_BASE), - .length = SZ_512K, - .type = MT_DEVICE, - }, { - .virtual = (unsigned long)IO_ADDRESS(GEMINI_POWER_CTRL_BASE), - .pfn = __phys_to_pfn(GEMINI_POWER_CTRL_BASE), - .length = SZ_512K, - .type = MT_DEVICE, - }, { - .virtual = (unsigned long)IO_ADDRESS(GEMINI_GPIO_BASE(0)), - .pfn = __phys_to_pfn(GEMINI_GPIO_BASE(0)), - .length = SZ_512K, - .type = MT_DEVICE, - }, { - .virtual = (unsigned long)IO_ADDRESS(GEMINI_GPIO_BASE(1)), - .pfn = __phys_to_pfn(GEMINI_GPIO_BASE(1)), - .length = SZ_512K, - .type = MT_DEVICE, - }, { - .virtual = (unsigned long)IO_ADDRESS(GEMINI_GPIO_BASE(2)), - .pfn = __phys_to_pfn(GEMINI_GPIO_BASE(2)), - .length = SZ_512K, - .type = MT_DEVICE, - }, { - .virtual = (unsigned long)IO_ADDRESS(GEMINI_FLASH_CTRL_BASE), - .pfn = __phys_to_pfn(GEMINI_FLASH_CTRL_BASE), - .length = SZ_512K, - .type = MT_DEVICE, - }, { - .virtual = (unsigned long)IO_ADDRESS(GEMINI_DRAM_CTRL_BASE), - .pfn = __phys_to_pfn(GEMINI_DRAM_CTRL_BASE), - .length = SZ_512K, - .type = MT_DEVICE, - }, { - .virtual = (unsigned long)IO_ADDRESS(GEMINI_GENERAL_DMA_BASE), - .pfn = __phys_to_pfn(GEMINI_GENERAL_DMA_BASE), - .length = SZ_512K, - .type = MT_DEVICE, - }, -}; - -void __init gemini_map_io(void) -{ - iotable_init(gemini_io_desc, ARRAY_SIZE(gemini_io_desc)); -} diff --git a/arch/arm/mach-gemini/reset.c b/arch/arm/mach-gemini/reset.c deleted file mode 100644 index 21a6d6d4f9c4..000000000000 --- a/arch/arm/mach-gemini/reset.c +++ /dev/null @@ -1,25 +0,0 @@ -/* - * Copyright (C) 2001-2006 Storlink, Corp. - * Copyright (C) 2008-2009 Paulius Zaleckas - * - * 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. - */ -#ifndef __MACH_SYSTEM_H -#define __MACH_SYSTEM_H - -#include -#include -#include - -#include "common.h" - -void gemini_restart(enum reboot_mode mode, const char *cmd) -{ - __raw_writel(RESET_GLOBAL | RESET_CPU1, - IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_RESET); -} - -#endif /* __MACH_SYSTEM_H */ diff --git a/arch/arm/mach-gemini/time.c b/arch/arm/mach-gemini/time.c deleted file mode 100644 index f5f18df5aacd..000000000000 --- a/arch/arm/mach-gemini/time.c +++ /dev/null @@ -1,239 +0,0 @@ -/* - * Copyright (C) 2001-2006 Storlink, Corp. - * Copyright (C) 2008-2009 Paulius Zaleckas - * - * 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. - */ -#include -#include -#include -#include -#include -#include -#include -#include -#include - -/* - * Register definitions for the timers - */ - -#define TIMER1_BASE GEMINI_TIMER_BASE -#define TIMER2_BASE (GEMINI_TIMER_BASE + 0x10) -#define TIMER3_BASE (GEMINI_TIMER_BASE + 0x20) - -#define TIMER_COUNT(BASE) (IO_ADDRESS(BASE) + 0x00) -#define TIMER_LOAD(BASE) (IO_ADDRESS(BASE) + 0x04) -#define TIMER_MATCH1(BASE) (IO_ADDRESS(BASE) + 0x08) -#define TIMER_MATCH2(BASE) (IO_ADDRESS(BASE) + 0x0C) -#define TIMER_CR (IO_ADDRESS(GEMINI_TIMER_BASE) + 0x30) -#define TIMER_INTR_STATE (IO_ADDRESS(GEMINI_TIMER_BASE) + 0x34) -#define TIMER_INTR_MASK (IO_ADDRESS(GEMINI_TIMER_BASE) + 0x38) - -#define TIMER_1_CR_ENABLE (1 << 0) -#define TIMER_1_CR_CLOCK (1 << 1) -#define TIMER_1_CR_INT (1 << 2) -#define TIMER_2_CR_ENABLE (1 << 3) -#define TIMER_2_CR_CLOCK (1 << 4) -#define TIMER_2_CR_INT (1 << 5) -#define TIMER_3_CR_ENABLE (1 << 6) -#define TIMER_3_CR_CLOCK (1 << 7) -#define TIMER_3_CR_INT (1 << 8) -#define TIMER_1_CR_UPDOWN (1 << 9) -#define TIMER_2_CR_UPDOWN (1 << 10) -#define TIMER_3_CR_UPDOWN (1 << 11) -#define TIMER_DEFAULT_FLAGS (TIMER_1_CR_UPDOWN | \ - TIMER_3_CR_ENABLE | \ - TIMER_3_CR_UPDOWN) - -#define TIMER_1_INT_MATCH1 (1 << 0) -#define TIMER_1_INT_MATCH2 (1 << 1) -#define TIMER_1_INT_OVERFLOW (1 << 2) -#define TIMER_2_INT_MATCH1 (1 << 3) -#define TIMER_2_INT_MATCH2 (1 << 4) -#define TIMER_2_INT_OVERFLOW (1 << 5) -#define TIMER_3_INT_MATCH1 (1 << 6) -#define TIMER_3_INT_MATCH2 (1 << 7) -#define TIMER_3_INT_OVERFLOW (1 << 8) -#define TIMER_INT_ALL_MASK 0x1ff - - -static unsigned int tick_rate; - -static u64 notrace gemini_read_sched_clock(void) -{ - return readl(TIMER_COUNT(TIMER3_BASE)); -} - -static int gemini_timer_set_next_event(unsigned long cycles, - struct clock_event_device *evt) -{ - u32 cr; - - /* Setup the match register */ - cr = readl(TIMER_COUNT(TIMER1_BASE)); - writel(cr + cycles, TIMER_MATCH1(TIMER1_BASE)); - if (readl(TIMER_COUNT(TIMER1_BASE)) - cr > cycles) - return -ETIME; - - return 0; -} - -static int gemini_timer_shutdown(struct clock_event_device *evt) -{ - u32 cr; - - /* - * Disable also for oneshot: the set_next() call will arm the timer - * instead. - */ - /* Stop timer and interrupt. */ - cr = readl(TIMER_CR); - cr &= ~(TIMER_1_CR_ENABLE | TIMER_1_CR_INT); - writel(cr, TIMER_CR); - - /* Setup counter start from 0 */ - writel(0, TIMER_COUNT(TIMER1_BASE)); - writel(0, TIMER_LOAD(TIMER1_BASE)); - - /* enable interrupt */ - cr = readl(TIMER_INTR_MASK); - cr &= ~(TIMER_1_INT_OVERFLOW | TIMER_1_INT_MATCH2); - cr |= TIMER_1_INT_MATCH1; - writel(cr, TIMER_INTR_MASK); - - /* start the timer */ - cr = readl(TIMER_CR); - cr |= TIMER_1_CR_ENABLE; - writel(cr, TIMER_CR); - - return 0; -} - -static int gemini_timer_set_periodic(struct clock_event_device *evt) -{ - u32 period = DIV_ROUND_CLOSEST(tick_rate, HZ); - u32 cr; - - /* Stop timer and interrupt */ - cr = readl(TIMER_CR); - cr &= ~(TIMER_1_CR_ENABLE | TIMER_1_CR_INT); - writel(cr, TIMER_CR); - - /* Setup timer to fire at 1/HT intervals. */ - cr = 0xffffffff - (period - 1); - writel(cr, TIMER_COUNT(TIMER1_BASE)); - writel(cr, TIMER_LOAD(TIMER1_BASE)); - - /* enable interrupt on overflow */ - cr = readl(TIMER_INTR_MASK); - cr &= ~(TIMER_1_INT_MATCH1 | TIMER_1_INT_MATCH2); - cr |= TIMER_1_INT_OVERFLOW; - writel(cr, TIMER_INTR_MASK); - - /* Start the timer */ - cr = readl(TIMER_CR); - cr |= TIMER_1_CR_ENABLE; - cr |= TIMER_1_CR_INT; - writel(cr, TIMER_CR); - - return 0; -} - -/* Use TIMER1 as clock event */ -static struct clock_event_device gemini_clockevent = { - .name = "TIMER1", - /* Reasonably fast and accurate clock event */ - .rating = 300, - .shift = 32, - .features = CLOCK_EVT_FEAT_PERIODIC | - CLOCK_EVT_FEAT_ONESHOT, - .set_next_event = gemini_timer_set_next_event, - .set_state_shutdown = gemini_timer_shutdown, - .set_state_periodic = gemini_timer_set_periodic, - .set_state_oneshot = gemini_timer_shutdown, - .tick_resume = gemini_timer_shutdown, -}; - -/* - * IRQ handler for the timer - */ -static irqreturn_t gemini_timer_interrupt(int irq, void *dev_id) -{ - struct clock_event_device *evt = &gemini_clockevent; - - evt->event_handler(evt); - return IRQ_HANDLED; -} - -static struct irqaction gemini_timer_irq = { - .name = "Gemini Timer Tick", - .flags = IRQF_TIMER, - .handler = gemini_timer_interrupt, -}; - -/* - * Set up timer interrupt, and return the current time in seconds. - */ -void __init gemini_timer_init(void) -{ - u32 reg_v; - - reg_v = readl(IO_ADDRESS(GEMINI_GLOBAL_BASE + GLOBAL_STATUS)); - tick_rate = REG_TO_AHB_SPEED(reg_v) * 1000000; - - printk(KERN_INFO "Bus: %dMHz", tick_rate / 1000000); - - tick_rate /= 6; /* APB bus run AHB*(1/6) */ - - switch(reg_v & CPU_AHB_RATIO_MASK) { - case CPU_AHB_1_1: - printk(KERN_CONT "(1/1)\n"); - break; - case CPU_AHB_3_2: - printk(KERN_CONT "(3/2)\n"); - break; - case CPU_AHB_24_13: - printk(KERN_CONT "(24/13)\n"); - break; - case CPU_AHB_2_1: - printk(KERN_CONT "(2/1)\n"); - break; - } - - /* - * Reset the interrupt mask and status - */ - writel(TIMER_INT_ALL_MASK, TIMER_INTR_MASK); - writel(0, TIMER_INTR_STATE); - writel(TIMER_DEFAULT_FLAGS, TIMER_CR); - - /* - * Setup free-running clocksource timer (interrupts - * disabled.) - */ - writel(0, TIMER_COUNT(TIMER3_BASE)); - writel(0, TIMER_LOAD(TIMER3_BASE)); - writel(0, TIMER_MATCH1(TIMER3_BASE)); - writel(0, TIMER_MATCH2(TIMER3_BASE)); - clocksource_mmio_init(TIMER_COUNT(TIMER3_BASE), - "gemini_clocksource", tick_rate, - 300, 32, clocksource_mmio_readl_up); - sched_clock_register(gemini_read_sched_clock, 32, tick_rate); - - /* - * Setup clockevent timer (interrupt-driven.) - */ - writel(0, TIMER_COUNT(TIMER1_BASE)); - writel(0, TIMER_LOAD(TIMER1_BASE)); - writel(0, TIMER_MATCH1(TIMER1_BASE)); - writel(0, TIMER_MATCH2(TIMER1_BASE)); - setup_irq(IRQ_TIMER1, &gemini_timer_irq); - gemini_clockevent.cpumask = cpumask_of(0); - clockevents_config_and_register(&gemini_clockevent, tick_rate, - 1, 0xffffffff); - -} From 46abf938db42f31d92481f35bbba3bd044901c6b Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Sat, 21 Jan 2017 21:35:52 +0100 Subject: [PATCH 4/6] ARM: gemini: switch to sparse IRQs There is no boardfiles or anything else using the fixed IRQs anymore, switch the platform to use sparse IRQs and delete the header. Cc: Janos Laube Cc: Paulius Zaleckas Cc: Hans Ulli Kroll Cc: Florian Fainelli Signed-off-by: Linus Walleij --- arch/arm/Kconfig | 1 + arch/arm/mach-gemini/include/mach/irqs.h | 53 ------------------------ 2 files changed, 1 insertion(+), 53 deletions(-) delete mode 100644 arch/arm/mach-gemini/include/mach/irqs.h diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 150119a9de7b..4dbc7c625724 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -371,6 +371,7 @@ config ARCH_GEMINI select POWER_RESET select POWER_RESET_SYSCON select SERIAL_OF_PLATFORM + select SPARSE_IRQ select USE_OF help Support for the Cortina Systems Gemini family SoCs diff --git a/arch/arm/mach-gemini/include/mach/irqs.h b/arch/arm/mach-gemini/include/mach/irqs.h deleted file mode 100644 index 06bc47e77e8b..000000000000 --- a/arch/arm/mach-gemini/include/mach/irqs.h +++ /dev/null @@ -1,53 +0,0 @@ -/* - * Copyright (C) 2001-2006 Storlink, Corp. - * Copyright (C) 2008-2009 Paulius Zaleckas - * - * 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. - */ - -#ifndef __MACH_IRQS_H__ -#define __MACH_IRQS_H__ - -#define IRQ_SERIRQ1 31 -#define IRQ_SERIRQ0 30 -#define IRQ_PCID 29 -#define IRQ_PCIC 28 -#define IRQ_PCIB 27 -#define IRQ_PWR 26 -#define IRQ_CIR 25 -#define IRQ_GPIO(x) (22 + (x)) -#define IRQ_SSP 21 -#define IRQ_LPC 20 -#define IRQ_LCD 19 -#define IRQ_UART 18 -#define IRQ_RTC 17 -#define IRQ_TIMER3 16 -#define IRQ_TIMER2 15 -#define IRQ_TIMER1 14 -#define IRQ_FLASH 12 -#define IRQ_USB1 11 -#define IRQ_USB0 10 -#define IRQ_DMA 9 -#define IRQ_PCI 8 -#define IRQ_IPSEC 7 -#define IRQ_RAID 6 -#define IRQ_IDE1 5 -#define IRQ_IDE0 4 -#define IRQ_WATCHDOG 3 -#define IRQ_GMAC1 2 -#define IRQ_GMAC0 1 -#define IRQ_IPI 0 - -#define NORMAL_IRQ_NUM 32 - -#define GPIO_IRQ_BASE NORMAL_IRQ_NUM -#define GPIO_IRQ_NUM (3 * 32) - -#define ARCH_TIMER_IRQ IRQ_TIMER2 - -#define NR_IRQS (NORMAL_IRQ_NUM + GPIO_IRQ_NUM) - -#endif /* __MACH_IRQS_H__ */ From 8e39061ec8910848d537384bc30f574299f0d3f5 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Sat, 21 Jan 2017 21:49:27 +0100 Subject: [PATCH 5/6] ARM: gemini: select ARM_PATCH_PHYS_VIRT and AUTO_ZRELADDR This platform survives physical to virtual patching without any hickups, and can use AUTO_ZRELADDR. We still need to keep Makefile.boot but it is now empty. Cc: Janos Laube Cc: Paulius Zaleckas Cc: Hans Ulli Kroll Cc: Florian Fainelli Signed-off-by: Linus Walleij --- arch/arm/Kconfig | 2 ++ arch/arm/mach-gemini/Makefile.boot | 4 +--- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 4dbc7c625724..bfa68a6e4c09 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -362,6 +362,8 @@ config ARM_SINGLE_ARMV7M config ARCH_GEMINI bool "Cortina Systems Gemini" select ARM_APPENDED_DTB # Old Redboot bootloaders deployed + select ARM_PATCH_PHYS_VIRT + select AUTO_ZRELADDR select CPU_FA526 select FARADAY_FTINTC010 select FTTMR010_TIMER diff --git a/arch/arm/mach-gemini/Makefile.boot b/arch/arm/mach-gemini/Makefile.boot index 760a0efe7580..8e3d1c6e1e38 100644 --- a/arch/arm/mach-gemini/Makefile.boot +++ b/arch/arm/mach-gemini/Makefile.boot @@ -1,3 +1 @@ - zreladdr-y += 0x00008000 -params_phys-y := 0x00000100 -initrd_phys-y := 0x00800000 +# Empty on purpose From 6dbb708a8fb8eef552d8de2b7574d92741b3bb31 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Sat, 21 Jan 2017 22:43:08 +0100 Subject: [PATCH 6/6] ARM: gemini: convert to ARMv4 multiplatform This converts the Gemini platform to ARMv4 multiplatform, deleting the local include directory, moving an idiomatic local idling function into the .machine_init() call and getting rid of the Makefile.boot finally. Cc: Janos Laube Cc: Paulius Zaleckas Cc: Hans Ulli Kroll Cc: Florian Fainelli Signed-off-by: Linus Walleij --- arch/arm/Kconfig | 21 +----- arch/arm/mach-gemini/Kconfig | 13 ++++ arch/arm/mach-gemini/Makefile | 2 +- arch/arm/mach-gemini/Makefile.boot | 1 - arch/arm/mach-gemini/board-dt.c | 24 +++++++ arch/arm/mach-gemini/idle.c | 31 -------- arch/arm/mach-gemini/include/mach/hardware.h | 71 ------------------- .../arm/mach-gemini/include/mach/uncompress.h | 42 ----------- 8 files changed, 40 insertions(+), 165 deletions(-) create mode 100644 arch/arm/mach-gemini/Kconfig delete mode 100644 arch/arm/mach-gemini/Makefile.boot delete mode 100644 arch/arm/mach-gemini/idle.c delete mode 100644 arch/arm/mach-gemini/include/mach/hardware.h delete mode 100644 arch/arm/mach-gemini/include/mach/uncompress.h diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index bfa68a6e4c09..f1e83a7ffdae 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -359,25 +359,6 @@ config ARM_SINGLE_ARMV7M select SPARSE_IRQ select USE_OF -config ARCH_GEMINI - bool "Cortina Systems Gemini" - select ARM_APPENDED_DTB # Old Redboot bootloaders deployed - select ARM_PATCH_PHYS_VIRT - select AUTO_ZRELADDR - select CPU_FA526 - select FARADAY_FTINTC010 - select FTTMR010_TIMER - select GPIO_GEMINI - select GPIOLIB - select MULTI_IRQ_HANDLER - select POWER_RESET - select POWER_RESET_SYSCON - select SERIAL_OF_PLATFORM - select SPARSE_IRQ - select USE_OF - help - Support for the Cortina Systems Gemini family SoCs - config ARCH_EBSA110 bool "EBSA-110" select ARCH_USES_GETTIMEOFFSET @@ -758,6 +739,8 @@ source "arch/arm/mach-ep93xx/Kconfig" source "arch/arm/mach-footbridge/Kconfig" +source "arch/arm/mach-gemini/Kconfig" + source "arch/arm/mach-highbank/Kconfig" source "arch/arm/mach-hisi/Kconfig" diff --git a/arch/arm/mach-gemini/Kconfig b/arch/arm/mach-gemini/Kconfig new file mode 100644 index 000000000000..a5ee5fbab796 --- /dev/null +++ b/arch/arm/mach-gemini/Kconfig @@ -0,0 +1,13 @@ +menuconfig ARCH_GEMINI + bool "Cortina Systems Gemini" + depends on ARCH_MULTI_V4 + select ARM_APPENDED_DTB # Old Redboot bootloaders deployed + select FARADAY_FTINTC010 + select FTTMR010_TIMER + select GPIO_GEMINI + select GPIOLIB + select POWER_RESET + select POWER_RESET_SYSCON + select SERIAL_OF_PLATFORM + help + Support for the Cortina Systems Gemini family SoCs diff --git a/arch/arm/mach-gemini/Makefile b/arch/arm/mach-gemini/Makefile index 30c5acffe948..ca0db5477180 100644 --- a/arch/arm/mach-gemini/Makefile +++ b/arch/arm/mach-gemini/Makefile @@ -1,2 +1,2 @@ # Makefile for Cortina systems Gemini -obj-y := idle.o board-dt.o +obj-y := board-dt.o diff --git a/arch/arm/mach-gemini/Makefile.boot b/arch/arm/mach-gemini/Makefile.boot deleted file mode 100644 index 8e3d1c6e1e38..000000000000 --- a/arch/arm/mach-gemini/Makefile.boot +++ /dev/null @@ -1 +0,0 @@ -# Empty on purpose diff --git a/arch/arm/mach-gemini/board-dt.c b/arch/arm/mach-gemini/board-dt.c index 208ea99cdc47..c0c0ebdd551e 100644 --- a/arch/arm/mach-gemini/board-dt.c +++ b/arch/arm/mach-gemini/board-dt.c @@ -7,6 +7,8 @@ #include #include +#include +#include #ifdef CONFIG_DEBUG_GEMINI /* This is needed for LL-debug/earlyprintk/debug-macro.S */ @@ -27,6 +29,27 @@ static void __init gemini_map_io(void) #define gemini_map_io NULL #endif +static void gemini_idle(void) +{ + /* + * Because of broken hardware we have to enable interrupts or the CPU + * will never wakeup... Acctualy it is not very good to enable + * interrupts first since scheduler can miss a tick, but there is + * no other way around this. Platforms that needs it for power saving + * should enable it in init code, since by default it is + * disabled. + */ + + /* FIXME: Enabling interrupts here is racy! */ + local_irq_enable(); + cpu_do_idle(); +} + +static void __init gemini_init_machine(void) +{ + arm_pm_idle = gemini_idle; +} + static const char *gemini_board_compat[] = { "cortina,gemini", NULL, @@ -34,5 +57,6 @@ static const char *gemini_board_compat[] = { DT_MACHINE_START(GEMINI_DT, "Gemini (Device Tree)") .map_io = gemini_map_io, + .init_machine = gemini_init_machine, .dt_compat = gemini_board_compat, MACHINE_END diff --git a/arch/arm/mach-gemini/idle.c b/arch/arm/mach-gemini/idle.c deleted file mode 100644 index ddf8ec9d203b..000000000000 --- a/arch/arm/mach-gemini/idle.c +++ /dev/null @@ -1,31 +0,0 @@ -/* - * arch/arm/mach-gemini/idle.c - */ - -#include -#include -#include - -static void gemini_idle(void) -{ - /* - * Because of broken hardware we have to enable interrupts or the CPU - * will never wakeup... Acctualy it is not very good to enable - * interrupts first since scheduler can miss a tick, but there is - * no other way around this. Platforms that needs it for power saving - * should enable it in init code, since by default it is - * disabled. - */ - - /* FIXME: Enabling interrupts here is racy! */ - local_irq_enable(); - cpu_do_idle(); -} - -static int __init gemini_idle_init(void) -{ - arm_pm_idle = gemini_idle; - return 0; -} - -arch_initcall(gemini_idle_init); diff --git a/arch/arm/mach-gemini/include/mach/hardware.h b/arch/arm/mach-gemini/include/mach/hardware.h deleted file mode 100644 index f0390f184742..000000000000 --- a/arch/arm/mach-gemini/include/mach/hardware.h +++ /dev/null @@ -1,71 +0,0 @@ -/* - * This file contains the hardware definitions for Gemini. - * - * Copyright (C) 2001-2006 Storlink, Corp. - * Copyright (C) 2008-2009 Paulius Zaleckas - * - * 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. - */ -#ifndef __MACH_HARDWARE_H -#define __MACH_HARDWARE_H - -/* - * Memory Map definitions - */ -#ifdef CONFIG_GEMINI_MEM_SWAP -# define GEMINI_DRAM_BASE 0x00000000 -# define GEMINI_SRAM_BASE 0x70000000 -#else -# define GEMINI_SRAM_BASE 0x00000000 -# define GEMINI_DRAM_BASE 0x10000000 -#endif -#define GEMINI_FLASH_BASE 0x30000000 -#define GEMINI_GLOBAL_BASE 0x40000000 -#define GEMINI_WAQTCHDOG_BASE 0x41000000 -#define GEMINI_UART_BASE 0x42000000 -#define GEMINI_TIMER_BASE 0x43000000 -#define GEMINI_LCD_BASE 0x44000000 -#define GEMINI_RTC_BASE 0x45000000 -#define GEMINI_SATA_BASE 0x46000000 -#define GEMINI_LPC_HOST_BASE 0x47000000 -#define GEMINI_LPC_IO_BASE 0x47800000 -#define GEMINI_INTERRUPT_BASE 0x48000000 -/* TODO: Different interrupt controllers when SMP - * #define GEMINI_INTERRUPT0_BASE 0x48000000 - * #define GEMINI_INTERRUPT1_BASE 0x49000000 - */ -#define GEMINI_SSP_CTRL_BASE 0x4A000000 -#define GEMINI_POWER_CTRL_BASE 0x4B000000 -#define GEMINI_CIR_BASE 0x4C000000 -#define GEMINI_GPIO_BASE(x) (0x4D000000 + (x) * 0x1000000) -#define GEMINI_PCI_IO_BASE 0x50000000 -#define GEMINI_PCI_MEM_BASE 0x58000000 -#define GEMINI_TOE_BASE 0x60000000 -#define GEMINI_GMAC0_BASE 0x6000A000 -#define GEMINI_GMAC1_BASE 0x6000E000 -#define GEMINI_SECURITY_BASE 0x62000000 -#define GEMINI_IDE0_BASE 0x63000000 -#define GEMINI_IDE1_BASE 0x63400000 -#define GEMINI_RAID_BASE 0x64000000 -#define GEMINI_FLASH_CTRL_BASE 0x65000000 -#define GEMINI_DRAM_CTRL_BASE 0x66000000 -#define GEMINI_GENERAL_DMA_BASE 0x67000000 -#define GEMINI_USB0_BASE 0x68000000 -#define GEMINI_USB1_BASE 0x69000000 -#define GEMINI_BIG_ENDIAN_BASE 0x80000000 - - -/* - * UART Clock when System clk is 150MHz - */ -#define UART_CLK 48000000 - -/* - * macro to get at IO space when running virtually - */ -#define IO_ADDRESS(x) IOMEM((((x) & 0xFFF00000) >> 4) | ((x) & 0x000FFFFF) | 0xF0000000) - -#endif diff --git a/arch/arm/mach-gemini/include/mach/uncompress.h b/arch/arm/mach-gemini/include/mach/uncompress.h deleted file mode 100644 index 02e225673acb..000000000000 --- a/arch/arm/mach-gemini/include/mach/uncompress.h +++ /dev/null @@ -1,42 +0,0 @@ -/* - * Copyright (C) 2008-2009 Paulius Zaleckas - * - * Based on mach-pxa/include/mach/uncompress.h: - * Copyright: (C) 2001 MontaVista Software Inc. - * - * 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. - */ - -#ifndef __MACH_UNCOMPRESS_H -#define __MACH_UNCOMPRESS_H - -#include -#include - -static volatile unsigned long * const UART = (unsigned long *)GEMINI_UART_BASE; - -/* - * The following code assumes the serial port has already been - * initialized by the bootloader. If you didn't setup a port in - * your bootloader then nothing will appear (which might be desired). - */ -static inline void putc(char c) -{ - while (!(UART[UART_LSR] & UART_LSR_THRE)) - barrier(); - UART[UART_TX] = c; -} - -static inline void flush(void) -{ -} - -/* - * nothing to do - */ -#define arch_decomp_setup() - -#endif /* __MACH_UNCOMPRESS_H */