diff options
Diffstat (limited to 'arch/arm/mach-clps711x')
| -rw-r--r-- | arch/arm/mach-clps711x/Kconfig | 71 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/Makefile | 20 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/Makefile.boot | 7 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/autcpu12.c | 69 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/cdb89712.c | 58 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/ceiva.c | 62 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/clep7312.c | 48 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/common.h | 11 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/dma.c | 27 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/edb7211-arch.c | 61 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/edb7211-mm.c | 70 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/fortunet.c | 85 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/irq.c | 143 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/mm.c | 43 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/p720t-leds.c | 67 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/p720t.c | 115 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/time.c | 85 |
17 files changed, 1042 insertions, 0 deletions
diff --git a/arch/arm/mach-clps711x/Kconfig b/arch/arm/mach-clps711x/Kconfig new file mode 100644 index 00000000000..f6e676322ca --- /dev/null +++ b/arch/arm/mach-clps711x/Kconfig @@ -0,0 +1,71 @@ +if ARCH_CLPS711X + +menu "CLPS711X/EP721X Implementations" + +config ARCH_AUTCPU12 + bool "AUTCPU12" + help + Say Y if you intend to run the kernel on the autronix autcpu12 + board. This board is based on a Cirrus Logic CS89712. + +config ARCH_CDB89712 + bool "CDB89712" + help + This is an evaluation board from Cirrus for the CS89712 processor. + The board includes 2 serial ports, Ethernet, IRDA, and expansion + headers. It comes with 16 MB SDRAM and 8 MB flash ROM. + +config ARCH_CEIVA + bool "CEIVA" + help + Say Y here if you intend to run this kernel on the Ceiva/Polaroid + PhotoMax Digital Picture Frame. + +config ARCH_CLEP7312 + bool "CLEP7312" + +config ARCH_EDB7211 + bool "EDB7211" + help + Say Y here if you intend to run this kernel on a Cirrus Logic EDB-7211 + evaluation board. + +config ARCH_P720T + bool "P720T" + help + Say Y here if you intend to run this kernel on the ARM Prospector + 720T. + +config ARCH_FORTUNET + bool "FORTUNET" + +# XXX Maybe these should indicate register compatibility +# instead of being mutually exclusive. +config ARCH_EP7211 + bool + depends on ARCH_EDB7211 + default y + +config ARCH_EP7212 + bool + depends on ARCH_P720T || ARCH_CEIVA + default y + +config EP72XX_ROM_BOOT + bool "EP72xx ROM boot" + depends on ARCH_EP7211 || ARCH_EP7212 + ---help--- + If you say Y here, your CLPS711x-based kernel will use the bootstrap + mode memory map instead of the normal memory map. + + Processors derived from the Cirrus CLPS-711X core support two boot + modes. Normal mode boots from the external memory device at CS0. + Bootstrap mode rearranges parts of the memory map, placing an + internal 128 byte bootstrap ROM at CS0. This option performs the + address map changes required to support booting in this mode. + + You almost surely want to say N here. + +endmenu + +endif diff --git a/arch/arm/mach-clps711x/Makefile b/arch/arm/mach-clps711x/Makefile new file mode 100644 index 00000000000..4a197315f0c --- /dev/null +++ b/arch/arm/mach-clps711x/Makefile @@ -0,0 +1,20 @@ +# +# Makefile for the linux kernel. +# + +# Object file lists. + +obj-y := irq.o mm.o time.o +obj-m := +obj-n := +obj- := + +obj-$(CONFIG_ARCH_CEIVA) += ceiva.o +obj-$(CONFIG_ARCH_AUTCPU12) += autcpu12.o +obj-$(CONFIG_ARCH_CDB89712) += cdb89712.o +obj-$(CONFIG_ARCH_CLEP7312) += clep7312.o +obj-$(CONFIG_ARCH_EDB7211) += edb7211-arch.o edb7211-mm.o +obj-$(CONFIG_ARCH_FORTUNET) += fortunet.o +obj-$(CONFIG_ARCH_P720T) += p720t.o +leds-$(CONFIG_ARCH_P720T) += p720t-leds.o +obj-$(CONFIG_LEDS) += $(leds-y) diff --git a/arch/arm/mach-clps711x/Makefile.boot b/arch/arm/mach-clps711x/Makefile.boot new file mode 100644 index 00000000000..d3d29339e14 --- /dev/null +++ b/arch/arm/mach-clps711x/Makefile.boot @@ -0,0 +1,7 @@ +# The standard locations for stuff on CLPS711x type processors + zreladdr-y := 0xc0028000 +params_phys-y := 0xc0000100 +# Should probably have some agreement on these... +initrd_phys-$(CONFIG_ARCH_P720T) := 0xc0400000 +initrd_phys-$(CONFIG_ARCH_CDB89712) := 0x00700000 + diff --git a/arch/arm/mach-clps711x/autcpu12.c b/arch/arm/mach-clps711x/autcpu12.c new file mode 100644 index 00000000000..c106704a2c3 --- /dev/null +++ b/arch/arm/mach-clps711x/autcpu12.c @@ -0,0 +1,69 @@ +/* + * linux/arch/arm/mach-clps711x/autcpu12.c + * + * (c) 2001 Thomas Gleixner, autronix automation <gleixner@autronix.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. + * + * 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 + */ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/string.h> +#include <linux/mm.h> + +#include <asm/hardware.h> +#include <asm/sizes.h> +#include <asm/io.h> +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/pgtable.h> +#include <asm/page.h> + +#include <asm/mach/map.h> +#include <asm/arch/autcpu12.h> + +#include "common.h" + +/* + * The on-chip registers are given a size of 1MB so that a section can + * be used to map them; this saves a page table. This is the place to + * add mappings for ROM, expansion memory, PCMCIA, etc. (if static + * mappings are chosen for those areas). + * +*/ + +static struct map_desc autcpu12_io_desc[] __initdata = { + /* virtual, physical, length, type */ + /* memory-mapped extra io and CS8900A Ethernet chip */ + /* ethernet chip */ + { AUTCPU12_VIRT_CS8900A, AUTCPU12_PHYS_CS8900A, SZ_1M, MT_DEVICE } +}; + +void __init autcpu12_map_io(void) +{ + clps711x_map_io(); + iotable_init(autcpu12_io_desc, ARRAY_SIZE(autcpu12_io_desc)); +} + +MACHINE_START(AUTCPU12, "autronix autcpu12") + MAINTAINER("Thomas Gleixner") + BOOT_MEM(0xc0000000, 0x80000000, 0xff000000) + BOOT_PARAMS(0xc0020000) + MAPIO(autcpu12_map_io) + INITIRQ(clps711x_init_irq) + .timer = &clps711x_timer, +MACHINE_END + diff --git a/arch/arm/mach-clps711x/cdb89712.c b/arch/arm/mach-clps711x/cdb89712.c new file mode 100644 index 00000000000..7664f9cf83b --- /dev/null +++ b/arch/arm/mach-clps711x/cdb89712.c @@ -0,0 +1,58 @@ +/* + * linux/arch/arm/mach-clps711x/cdb89712.c + * + * Copyright (C) 2000-2001 Deep Blue Solutions Ltd + * + * 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 + */ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/string.h> +#include <linux/mm.h> + +#include <asm/hardware.h> +#include <asm/io.h> +#include <asm/pgtable.h> +#include <asm/page.h> +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include "common.h" + +/* + * Map the CS89712 Ethernet port. That should be moved to the + * ethernet driver, perhaps. + */ +static struct map_desc cdb89712_io_desc[] __initdata = { + { ETHER_BASE, ETHER_START, ETHER_SIZE, MT_DEVICE } +}; + +static void __init cdb89712_map_io(void) +{ + clps711x_map_io(); + iotable_init(cdb89712_io_desc, ARRAY_SIZE(cdb89712_io_desc)); +} + +MACHINE_START(CDB89712, "Cirrus-CDB89712") + MAINTAINER("Ray Lehtiniemi") + BOOT_MEM(0xc0000000, 0x80000000, 0xff000000) + BOOT_PARAMS(0xc0000100) + MAPIO(cdb89712_map_io) + INITIRQ(clps711x_init_irq) + .timer = &clps711x_timer, +MACHINE_END diff --git a/arch/arm/mach-clps711x/ceiva.c b/arch/arm/mach-clps711x/ceiva.c new file mode 100644 index 00000000000..e4093be3c4c --- /dev/null +++ b/arch/arm/mach-clps711x/ceiva.c @@ -0,0 +1,62 @@ +/* + * linux/arch/arm/mach-clps711x/arch-ceiva.c + * + * Copyright (C) 2002, Rob Scott <rscott@mtrob.fdns.net> + * + * 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 + */ +#include <linux/init.h> +#include <linux/types.h> +#include <linux/string.h> + +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +#include <linux/kernel.h> + +#include <asm/hardware.h> +#include <asm/page.h> +#include <asm/pgtable.h> +#include <asm/sizes.h> + +#include <asm/mach/map.h> + +#include "common.h" + +static struct map_desc ceiva_io_desc[] __initdata = { + /* virtual, physical, length, type */ + + /* SED1355 controlled video RAM & registers */ + { CEIVA_VIRT_SED1355, CEIVA_PHYS_SED1355, SZ_2M, MT_DEVICE } + +}; + + +static void __init ceiva_map_io(void) +{ + clps711x_map_io(); + iotable_init(ceiva_io_desc, ARRAY_SIZE(ceiva_io_desc)); +} + + +MACHINE_START(CEIVA, "CEIVA/Polaroid Photo MAX Digital Picture Frame") + MAINTAINER("Rob Scott") + BOOT_MEM(0xc0000000, 0x80000000, 0xff000000) + BOOT_PARAMS(0xc0000100) + MAPIO(ceiva_map_io) + INITIRQ(clps711x_init_irq) + .timer = &clps711x_timer, +MACHINE_END diff --git a/arch/arm/mach-clps711x/clep7312.c b/arch/arm/mach-clps711x/clep7312.c new file mode 100644 index 00000000000..9ca21cb481b --- /dev/null +++ b/arch/arm/mach-clps711x/clep7312.c @@ -0,0 +1,48 @@ +/* + * linux/arch/arm/mach-clps711x/clep7312.c + * + * 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 + */ +#include <linux/init.h> +#include <linux/types.h> +#include <linux/string.h> + +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +#include "common.h" + +static void __init +fixup_clep7312(struct machine_desc *desc, struct tag *tags, + char **cmdline, struct meminfo *mi) +{ + mi->nr_banks=1; + mi->bank[0].start = 0xc0000000; + mi->bank[0].size = 0x01000000; + mi->bank[0].node = 0; +} + + +MACHINE_START(CLEP7212, "Cirrus Logic 7212/7312") + MAINTAINER("Nobody") + BOOT_MEM(0xc0000000, 0x80000000, 0xff000000) + BOOT_PARAMS(0xc0000100) + FIXUP(fixup_clep7312) + MAPIO(clps711x_map_io) + INITIRQ(clps711x_init_irq) + .timer = &clps711x_timer, +MACHINE_END + diff --git a/arch/arm/mach-clps711x/common.h b/arch/arm/mach-clps711x/common.h new file mode 100644 index 00000000000..2b8b801f1dc --- /dev/null +++ b/arch/arm/mach-clps711x/common.h @@ -0,0 +1,11 @@ +/* + * linux/arch/arm/mach-clps711x/common.h + * + * Common bits. + */ + +struct sys_timer; + +extern void clps711x_map_io(void); +extern void clps711x_init_irq(void); +extern struct sys_timer clps711x_timer; diff --git a/arch/arm/mach-clps711x/dma.c b/arch/arm/mach-clps711x/dma.c new file mode 100644 index 00000000000..af5a4de38ea --- /dev/null +++ b/arch/arm/mach-clps711x/dma.c @@ -0,0 +1,27 @@ +/* + * linux/arch/arm/mach-clps711x/dma.c + * + * Copyright (C) 2000 Deep Blue Solutions Ltd + * + * 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 + */ +#include <linux/init.h> + +#include <asm/dma.h> +#include <asm/mach/dma.h> + +void __init arch_dma_init(dma_t *dma) +{ +} diff --git a/arch/arm/mach-clps711x/edb7211-arch.c b/arch/arm/mach-clps711x/edb7211-arch.c new file mode 100644 index 00000000000..c6c46324a2e --- /dev/null +++ b/arch/arm/mach-clps711x/edb7211-arch.c @@ -0,0 +1,61 @@ +/* + * linux/arch/arm/mach-clps711x/arch-edb7211.c + * + * Copyright (C) 2000, 2001 Blue Mug, Inc. All Rights Reserved. + * + * 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 + */ +#include <linux/init.h> +#include <linux/types.h> +#include <linux/string.h> + +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +#include "common.h" + +extern void edb7211_map_io(void); + +static void __init +fixup_edb7211(struct machine_desc *desc, struct tag *tags, + char **cmdline, struct meminfo *mi) +{ + /* + * Bank start addresses are not present in the information + * passed in from the boot loader. We could potentially + * detect them, but instead we hard-code them. + * + * Banks sizes _are_ present in the param block, but we're + * not using that information yet. + */ + mi->bank[0].start = 0xc0000000; + mi->bank[0].size = 8*1024*1024; + mi->bank[0].node = 0; + mi->bank[1].start = 0xc1000000; + mi->bank[1].size = 8*1024*1024; + mi->bank[1].node = 1; + mi->nr_banks = 2; +} + +MACHINE_START(EDB7211, "CL-EDB7211 (EP7211 eval board)") + MAINTAINER("Jon McClintock") + BOOT_MEM(0xc0000000, 0x80000000, 0xff000000) + BOOT_PARAMS(0xc0020100) /* 0xc0000000 - 0xc001ffff can be video RAM */ + FIXUP(fixup_edb7211) + MAPIO(edb7211_map_io) + INITIRQ(clps711x_init_irq) + .timer = &clps711x_timer, +MACHINE_END diff --git a/arch/arm/mach-clps711x/edb7211-mm.c b/arch/arm/mach-clps711x/edb7211-mm.c new file mode 100644 index 00000000000..7fd7b01822d --- /dev/null +++ b/arch/arm/mach-clps711x/edb7211-mm.c @@ -0,0 +1,70 @@ +/* + * linux/arch/arm/mach-clps711x/mm.c + * + * Extra MM routines for the EDB7211 board + * + * Copyright (C) 2000, 2001 Blue Mug, Inc. All Rights Reserved. + * + * 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 + */ +#include <linux/kernel.h> +#include <linux/init.h> + +#include <asm/hardware.h> +#include <asm/page.h> +#include <asm/pgtable.h> +#include <asm/sizes.h> + +#include <asm/mach/map.h> + +extern void clps711x_map_io(void); + +/* + * The on-chip registers are given a size of 1MB so that a section can + * be used to map them; this saves a page table. This is the place to + * add mappings for ROM, expansion memory, PCMCIA, etc. (if static + * mappings are chosen for those areas). + * + * Here is a physical memory map (to be fleshed out later): + * + * Physical Address Size Description + * ----------------- ----- --------------------------------- + * c0000000-c001ffff 128KB reserved for video RAM [1] + * c0020000-c0023fff 16KB parameters (see Documentation/arm/Setup) + * c0024000-c0027fff 16KB swapper_pg_dir (task 0 page directory) + * c0028000-... kernel image (TEXTADDR) + * + * [1] Unused pages should be given back to the VM; they are not yet. + * The parameter block should also be released (not sure if this + * happens). + */ +static struct map_desc edb7211_io_desc[] __initdata = { + /* virtual, physical, length, type */ + + /* memory-mapped extra keyboard row and CS8900A Ethernet chip */ + { EP7211_VIRT_EXTKBD, EP7211_PHYS_EXTKBD, SZ_1M, MT_DEVICE }, + { EP7211_VIRT_CS8900A, EP7211_PHYS_CS8900A, SZ_1M, MT_DEVICE }, + + /* flash banks */ + { EP7211_VIRT_FLASH1, EP7211_PHYS_FLASH1, SZ_8M, MT_DEVICE }, + { EP7211_VIRT_FLASH2, EP7211_PHYS_FLASH2, SZ_8M, MT_DEVICE } +}; + +void __init edb7211_map_io(void) +{ + clps711x_map_io(); + iotable_init(edb7211_io_desc, ARRAY_SIZE(edb7211_io_desc)); +} + diff --git a/arch/arm/mach-clps711x/fortunet.c b/arch/arm/mach-clps711x/fortunet.c new file mode 100644 index 00000000000..c1c5b8e0154 --- /dev/null +++ b/arch/arm/mach-clps711x/fortunet.c @@ -0,0 +1,85 @@ +/* + * linux/arch/arm/mach-clps711x/fortunet.c + * + * Derived from linux/arch/arm/mach-integrator/arch.c + * + * Copyright (C) 2000 Deep Blue Solutions Ltd + * + * 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 + */ +#include <linux/config.h> +#include <linux/types.h> +#include <linux/init.h> +#include <linux/initrd.h> + +#include <asm/hardware.h> +#include <asm/irq.h> +#include <asm/setup.h> +#include <asm/mach-types.h> + +#include <asm/mach/arch.h> + +#include "common.h" + +struct meminfo memmap = { + .nr_banks = 1, + .bank = { + { + .start = 0xC0000000, + .size = 0x01000000, + .node = 0 + }, + }, +}; + +typedef struct tag_IMAGE_PARAMS +{ + int ramdisk_ok; + int ramdisk_address; + int ramdisk_size; + int ram_size; + int extra_param_type; + int extra_param_ptr; + int command_line; +} IMAGE_PARAMS; + +#define IMAGE_PARAMS_PHYS 0xC01F0000 + +static void __init +fortunet_fixup(struct machine_desc *desc, struct tag *tags, + char **cmdline, struct meminfo *mi) +{ + IMAGE_PARAMS *ip = phys_to_virt(IMAGE_PARAMS_PHYS); + *cmdline = phys_to_virt(ip->command_line); +#ifdef CONFIG_BLK_DEV_INITRD + if(ip->ramdisk_ok) + { + initrd_start = __phys_to_virt(ip->ramdisk_address); + initrd_end = initrd_start + ip->ramdisk_size; + } +#endif + memmap.bank[0].size = ip->ram_size; + *mi = memmap; +} + +MACHINE_START(FORTUNET, "ARM-FortuNet") + MAINTAINER("FortuNet Inc.") + BOOT_MEM(0xc0000000, 0x80000000, 0xf0000000) + BOOT_PARAMS(0x00000000) + FIXUP(fortunet_fixup) + MAPIO(clps711x_map_io) + INITIRQ(clps711x_init_irq) + .timer = &clps711x_timer, +MACHINE_END diff --git a/arch/arm/mach-clps711x/irq.c b/arch/arm/mach-clps711x/irq.c new file mode 100644 index 00000000000..7ee926e5bad --- /dev/null +++ b/arch/arm/mach-clps711x/irq.c @@ -0,0 +1,143 @@ +/* + * linux/arch/arm/mach-clps711x/irq.c + * + * Copyright (C) 2000 Deep Blue Solutions Ltd. + * + * 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 + */ +#include <linux/init.h> +#include <linux/list.h> + +#include <asm/mach/irq.h> +#include <asm/hardware.h> +#include <asm/io.h> +#include <asm/irq.h> + +#include <asm/hardware/clps7111.h> + +static void int1_mask(unsigned int irq) +{ + u32 intmr1; + + intmr1 = clps_readl(INTMR1); + intmr1 &= ~(1 << irq); + clps_writel(intmr1, INTMR1); +} + +static void int1_ack(unsigned int irq) +{ + u32 intmr1; + + intmr1 = clps_readl(INTMR1); + intmr1 &= ~(1 << irq); + clps_writel(intmr1, INTMR1); + + switch (irq) { + case IRQ_CSINT: clps_writel(0, COEOI); break; + case IRQ_TC1OI: clps_writel(0, TC1EOI); break; + case IRQ_TC2OI: clps_writel(0, TC2EOI); break; + case IRQ_RTCMI: clps_writel(0, RTCEOI); break; + case IRQ_TINT: clps_writel(0, TEOI); break; + case IRQ_UMSINT: clps_writel(0, UMSEOI); break; + } +} + +static void int1_unmask(unsigned int irq) +{ + u32 intmr1; + + intmr1 = clps_readl(INTMR1); + intmr1 |= 1 << irq; + clps_writel(intmr1, INTMR1); +} + +static struct irqchip int1_chip = { + .ack = int1_ack, + .mask = int1_mask, + .unmask = int1_unmask, +}; + +static void int2_mask(unsigned int irq) +{ + u32 intmr2; + + intmr2 = clps_readl(INTMR2); + intmr2 &= ~(1 << (irq - 16)); + clps_writel(intmr2, INTMR2); +} + +static void int2_ack(unsigned int irq) +{ + u32 intmr2; + + intmr2 = clps_readl(INTMR2); + intmr2 &= ~(1 << (irq - 16)); + clps_writel(intmr2, INTMR2); + + switch (irq) { + case IRQ_KBDINT: clps_writel(0, KBDEOI); break; + } +} + +static void int2_unmask(unsigned int irq) +{ + u32 intmr2; + + intmr2 = clps_readl(INTMR2); + intmr2 |= 1 << (irq - 16); + clps_writel(intmr2, INTMR2); +} + +static struct irqchip int2_chip = { + .ack = int2_ack, + .mask = int2_mask, + .unmask = int2_unmask, +}; + +void __init clps711x_init_irq(void) +{ + unsigned int i; + + for (i = 0; i < NR_IRQS; i++) { + if (INT1_IRQS & (1 << i)) { + set_irq_handler(i, do_level_IRQ); + set_irq_chip(i, &int1_chip); + set_irq_flags(i, IRQF_VALID | IRQF_PROBE); + } + if (INT2_IRQS & (1 << i)) { + set_irq_handler(i, do_level_IRQ); + set_irq_chip(i, &int2_chip); + set_irq_flags(i, IRQF_VALID | IRQF_PROBE); + } + } + + /* + * Disable interrupts + */ + clps_writel(0, INTMR1); + clps_writel(0, INTMR2); + + /* + * Clear down any pending interrupts + */ + clps_writel(0, COEOI); + clps_writel(0, TC1EOI); + clps_writel(0, TC2EOI); + clps_writel(0, RTCEOI); + clps_writel(0, TEOI); + clps_writel(0, UMSEOI); + clps_writel(0, SYNCIO); + clps_writel(0, KBDEOI); +} diff --git a/arch/arm/mach-clps711x/mm.c b/arch/arm/mach-clps711x/mm.c new file mode 100644 index 00000000000..120b7cac84b --- /dev/null +++ b/arch/arm/mach-clps711x/mm.c @@ -0,0 +1,43 @@ +/* + * linux/arch/arm/mach-clps711x/mm.c + * + * Generic MM setup for the CLPS711x-based machines. + * + * Copyright (C) 2001 Deep Blue Solutions Ltd + * + * 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 + */ +#include <linux/kernel.h> +#include <linux/mm.h> +#include <linux/init.h> +#include <linux/bootmem.h> + +#include <asm/hardware.h> +#include <asm/pgtable.h> +#include <asm/page.h> +#include <asm/mach/map.h> +#include <asm/hardware/clps7111.h> + +/* + * This maps the generic CLPS711x registers + */ +static struct map_desc clps711x_io_desc[] __initdata = { + { CLPS7111_VIRT_BASE, CLPS7111_PHYS_BASE, 1048576, MT_DEVICE } +}; + +void __init clps711x_map_io(void) +{ + iotable_init(clps711x_io_desc, ARRAY_SIZE(clps711x_io_desc)); +} diff --git a/arch/arm/mach-clps711x/p720t-leds.c b/arch/arm/mach-clps711x/p720t-leds.c new file mode 100644 index 00000000000..4915b352496 --- /dev/null +++ b/arch/arm/mach-clps711x/p720t-leds.c @@ -0,0 +1,67 @@ +/* + * linux/arch/arm/mach-clps711x/leds.c + * + * Integrator LED control routines + * + * Copyright (C) 2000 Deep Blue Solutions Ltd + * + * 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 + */ +#include <linux/kernel.h> +#include <linux/init.h> + +#include <asm/hardware.h> +#include <asm/io.h> +#include <asm/leds.h> +#include <asm/system.h> +#include <asm/mach-types.h> + +#include <asm/hardware/clps7111.h> +#include <asm/hardware/ep7212.h> + +static void p720t_leds_event(led_event_t ledevt) +{ + unsigned long flags; + u32 pddr; + + local_irq_save(flags); + switch(ledevt) { + case led_idle_start: + break; + + case led_idle_end: + break; + + case led_timer: + pddr = clps_readb(PDDR); + clps_writeb(pddr ^ 1, PDDR); + break; + + default: + break; + } + + local_irq_restore(flags); +} + +static int __init leds_init(void) +{ + if (machine_is_p720t()) + leds_event = p720t_leds_event; + + return 0; +} + +arch_initcall(leds_init); diff --git a/arch/arm/mach-clps711x/p720t.c b/arch/arm/mach-clps711x/p720t.c new file mode 100644 index 00000000000..29269df054f --- /dev/null +++ b/arch/arm/mach-clps711x/p720t.c @@ -0,0 +1,115 @@ +/* + * linux/arch/arm/mach-clps711x/p720t.c + * + * Copyright (C) 2000-2001 Deep Blue Solutions Ltd + * + * 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 + */ +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/string.h> +#include <linux/mm.h> + +#include <asm/hardware.h> +#include <asm/io.h> +#include <asm/pgtable.h> +#include <asm/page.h> +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/arch/syspld.h> + +#include "common.h" + +/* + * Map the P720T system PLD. It occupies two address spaces: + * SYSPLD_PHYS_BASE and SYSPLD_PHYS_BASE + 0x00400000 + * We map both here. + */ +static struct map_desc p720t_io_desc[] __initdata = { + { SYSPLD_VIRT_BASE, SYSPLD_PHYS_BASE, 1048576, MT_DEVICE }, + { 0xfe400000, 0x10400000, 1048576, MT_DEVICE } +}; + +static void __init +fixup_p720t(struct machine_desc *desc, struct tag *tag, + char **cmdline, struct meminfo *mi) +{ + /* + * Our bootloader doesn't setup any tags (yet). + */ + if (tag->hdr.tag != ATAG_CORE) { + tag->hdr.tag = ATAG_CORE; + tag->hdr.size = tag_size(tag_core); + tag->u.core.flags = 0; + tag->u.core.pagesize = PAGE_SIZE; + tag->u.core.rootdev = 0x0100; + + tag = tag_next(tag); + tag->hdr.tag = ATAG_MEM; + tag->hdr.size = tag_size(tag_mem32); + tag->u.mem.size = 4096; + tag->u.mem.start = PHYS_OFFSET; + + tag = tag_next(tag); + tag->hdr.tag = ATAG_NONE; + tag->hdr.size = 0; + } +} + +static void __init p720t_map_io(void) +{ + clps711x_map_io(); + iotable_init(p720t_io_desc, ARRAY_SIZE(p720t_io_desc)); +} + +MACHINE_START(P720T, "ARM-Prospector720T") + MAINTAINER("ARM Ltd/Deep Blue Solutions Ltd") + BOOT_MEM(0xc0000000, 0x80000000, 0xff000000) + BOOT_PARAMS(0xc0000100) + FIXUP(fixup_p720t) + MAPIO(p720t_map_io) + INITIRQ(clps711x_init_irq) + .timer = &clps711x_timer, +MACHINE_END + +static int p720t_hw_init(void) +{ + /* + * Power down as much as possible in case we don't + * have the drivers loaded. + */ + PLD_LCDEN = 0; + PLD_PWR &= ~(PLD_S4_ON|PLD_S3_ON|PLD_S2_ON|PLD_S1_ON); + + PLD_KBD = 0; + PLD_IO = 0; + PLD_IRDA = 0; + PLD_CODEC = 0; + PLD_TCH = 0; + PLD_SPI = 0; +#ifndef CONFIG_DEBUG_LL + PLD_COM2 = 0; + PLD_COM1 = 0; +#endif + + return 0; +} + +__initcall(p720t_hw_init); + diff --git a/arch/arm/mach-clps711x/time.c b/arch/arm/mach-clps711x/time.c new file mode 100644 index 00000000000..383d4e0c6e3 --- /dev/null +++ b/arch/arm/mach-clps711x/time.c @@ -0,0 +1,85 @@ +/* + * linux/arch/arm/mach-clps711x/time.c + * + * Copyright (C) 2001 Deep Blue Solutions Ltd. + * + * 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. + * + * 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 + */ +#include <linux/timex.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/sched.h> + +#include <asm/hardware.h> +#include <asm/irq.h> +#include <asm/leds.h> +#include <asm/io.h> +#include <asm/hardware/clps7111.h> + +#include <asm/mach/time.h> + + +/* + * gettimeoffset() returns time since last timer tick, in usecs. + * + * 'LATCH' is hwclock ticks (see CLOCK_TICK_RATE in timex.h) per jiffy. + * 'tick' is usecs per jiffy. + */ +static unsigned long clps711x_gettimeoffset(void) +{ + unsigned long hwticks; + hwticks = LATCH - (clps_readl(TC2D) & 0xffff); /* since last underflow */ + return (hwticks * (tick_nsec / 1000)) / LATCH; +} + +/* + * IRQ handler for the timer + */ +static irqreturn_t +p720t_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) +{ + write_seqlock(&xtime_lock); + timer_tick(regs); + write_sequnlock(&xtime_lock); + return IRQ_HANDLED; +} + +static struct irqaction clps711x_timer_irq = { + .name = "CLPS711x Timer Tick", + .flags = SA_INTERRUPT, + .handler = p720t_timer_interrupt +}; + +static void __init clps711x_timer_init(void) +{ + struct timespec tv; + unsigned int syscon; + + syscon = clps_readl(SYSCON1); + syscon |= SYSCON1_TC2S | SYSCON1_TC2M; + clps_writel(syscon, SYSCON1); + + clps_writel(LATCH-1, TC2D); /* 512kHz / 100Hz - 1 */ + + setup_irq(IRQ_TC2OI, &clps711x_timer_irq); + + tv.tv_nsec = 0; + tv.tv_sec = clps_readl(RTCDR); + do_settimeofday(&tv); +} + +struct sys_timer clps711x_timer = { + .init = clps711x_timer_init, + .offset = clps711x_gettimeoffset, +}; |