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Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: MIPS: Fix CONFIG_FLATMEM version of pfn_valid() MIPS: Reorganize Cavium OCTEON PCI support. Update Yoichi Yuasa's e-mail address MIPS: Allow suspend and hibernation again on uniprocessor kernels. MIPS: 64-bit: Fix o32 core dump MIPS: BC47xx: Fix SSB irq setup MIPS: CMP: Update sync-r4k for current kernel MIPS: CMP: Move gcmp_probe to before the SMP ops MIPS: CMP: activate CMP support MIPS: CMP: Extend IPI handling to CPU number MIPS: CMP: Extend the GIC IPI interrupts beyond 32 MIPS: Define __arch_swab64 for all mips r2 cpus MIPS: Update VR41xx GPIO driver to use gpiolib MIPS: Hookup new syscalls sys_rt_tgsigqueueinfo and sys_perf_counter_open. MIPS: Malta: Remove unnecessary function prototypes MIPS: MT: Remove unnecessary semicolons MIPS: Add support for Texas Instruments AR7 System-on-a-Chip
This commit is contained in:
+25
-4
@@ -22,6 +22,26 @@ choice
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config MACH_ALCHEMY
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bool "Alchemy processor based machines"
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config AR7
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bool "Texas Instruments AR7"
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select BOOT_ELF32
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select DMA_NONCOHERENT
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select CEVT_R4K
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select CSRC_R4K
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select IRQ_CPU
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select NO_EXCEPT_FILL
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select SWAP_IO_SPACE
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select SYS_HAS_CPU_MIPS32_R1
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select SYS_HAS_EARLY_PRINTK
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select SYS_SUPPORTS_32BIT_KERNEL
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select SYS_SUPPORTS_LITTLE_ENDIAN
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select GENERIC_GPIO
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select GCD
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select VLYNQ
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help
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Support for the Texas Instruments AR7 System-on-a-Chip
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family: TNETD7100, 7200 and 7300.
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config BASLER_EXCITE
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bool "Basler eXcite smart camera"
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select CEVT_R4K
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@@ -209,7 +229,7 @@ config MIPS_MALTA
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select SYS_SUPPORTS_64BIT_KERNEL
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select SYS_SUPPORTS_BIG_ENDIAN
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select SYS_SUPPORTS_LITTLE_ENDIAN
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select SYS_SUPPORTS_MIPS_CMP if BROKEN # because SYNC_R4K is broken
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select SYS_SUPPORTS_MIPS_CMP
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select SYS_SUPPORTS_MULTITHREADING
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select SYS_SUPPORTS_SMARTMIPS
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help
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@@ -247,6 +267,7 @@ config MACH_VR41XX
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select CEVT_R4K
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select CSRC_R4K
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select SYS_HAS_CPU_VR41XX
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select ARCH_REQUIRE_GPIOLIB
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config NXP_STB220
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bool "NXP STB220 board"
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@@ -1635,7 +1656,7 @@ config MIPS_APSP_KSPD
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config MIPS_CMP
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bool "MIPS CMP framework support"
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depends on SYS_SUPPORTS_MIPS_CMP
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select SYNC_R4K if BROKEN
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select SYNC_R4K
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select SYS_SUPPORTS_SMP
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select SYS_SUPPORTS_SCHED_SMT if SMP
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select WEAK_ORDERING
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@@ -2147,11 +2168,11 @@ menu "Power management options"
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config ARCH_HIBERNATION_POSSIBLE
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def_bool y
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depends on SYS_SUPPORTS_HOTPLUG_CPU
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depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
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config ARCH_SUSPEND_POSSIBLE
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def_bool y
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depends on SYS_SUPPORTS_HOTPLUG_CPU
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depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
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source "kernel/power/Kconfig"
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@@ -172,6 +172,13 @@ libs-y += arch/mips/fw/lib/
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# Board-dependent options and extra files
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#
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#
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# Texas Instruments AR7
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#
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core-$(CONFIG_AR7) += arch/mips/ar7/
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cflags-$(CONFIG_AR7) += -I$(srctree)/arch/mips/include/asm/mach-ar7
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load-$(CONFIG_AR7) += 0xffffffff94100000
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#
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# Acer PICA 61, Mips Magnum 4000 and Olivetti M700.
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#
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@@ -0,0 +1,10 @@
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obj-y := \
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prom.o \
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setup.o \
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memory.o \
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irq.o \
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time.o \
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platform.o \
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gpio.o \
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clock.o
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@@ -0,0 +1,440 @@
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/*
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* Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org>
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* Copyright (C) 2007 Eugene Konev <ejka@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
|
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*
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||||
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/types.h>
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#include <linux/module.h>
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#include <linux/delay.h>
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#include <linux/gcd.h>
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#include <linux/io.h>
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#include <asm/addrspace.h>
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#include <asm/mach-ar7/ar7.h>
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#define BOOT_PLL_SOURCE_MASK 0x3
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#define CPU_PLL_SOURCE_SHIFT 16
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#define BUS_PLL_SOURCE_SHIFT 14
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#define USB_PLL_SOURCE_SHIFT 18
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#define DSP_PLL_SOURCE_SHIFT 22
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#define BOOT_PLL_SOURCE_AFE 0
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#define BOOT_PLL_SOURCE_BUS 0
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#define BOOT_PLL_SOURCE_REF 1
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#define BOOT_PLL_SOURCE_XTAL 2
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#define BOOT_PLL_SOURCE_CPU 3
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#define BOOT_PLL_BYPASS 0x00000020
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#define BOOT_PLL_ASYNC_MODE 0x02000000
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#define BOOT_PLL_2TO1_MODE 0x00008000
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#define TNETD7200_CLOCK_ID_CPU 0
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#define TNETD7200_CLOCK_ID_DSP 1
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#define TNETD7200_CLOCK_ID_USB 2
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#define TNETD7200_DEF_CPU_CLK 211000000
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#define TNETD7200_DEF_DSP_CLK 125000000
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#define TNETD7200_DEF_USB_CLK 48000000
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struct tnetd7300_clock {
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u32 ctrl;
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#define PREDIV_MASK 0x001f0000
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#define PREDIV_SHIFT 16
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#define POSTDIV_MASK 0x0000001f
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u32 unused1[3];
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u32 pll;
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#define MUL_MASK 0x0000f000
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#define MUL_SHIFT 12
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#define PLL_MODE_MASK 0x00000001
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#define PLL_NDIV 0x00000800
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#define PLL_DIV 0x00000002
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#define PLL_STATUS 0x00000001
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u32 unused2[3];
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};
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struct tnetd7300_clocks {
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struct tnetd7300_clock bus;
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struct tnetd7300_clock cpu;
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struct tnetd7300_clock usb;
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struct tnetd7300_clock dsp;
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};
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struct tnetd7200_clock {
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u32 ctrl;
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u32 unused1[3];
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#define DIVISOR_ENABLE_MASK 0x00008000
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u32 mul;
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u32 prediv;
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u32 postdiv;
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u32 postdiv2;
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u32 unused2[6];
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u32 cmd;
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u32 status;
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u32 cmden;
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u32 padding[15];
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};
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struct tnetd7200_clocks {
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struct tnetd7200_clock cpu;
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struct tnetd7200_clock dsp;
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struct tnetd7200_clock usb;
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};
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int ar7_cpu_clock = 150000000;
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EXPORT_SYMBOL(ar7_cpu_clock);
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int ar7_bus_clock = 125000000;
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EXPORT_SYMBOL(ar7_bus_clock);
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int ar7_dsp_clock;
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EXPORT_SYMBOL(ar7_dsp_clock);
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static void approximate(int base, int target, int *prediv,
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int *postdiv, int *mul)
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{
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int i, j, k, freq, res = target;
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for (i = 1; i <= 16; i++)
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for (j = 1; j <= 32; j++)
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for (k = 1; k <= 32; k++) {
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freq = abs(base / j * i / k - target);
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if (freq < res) {
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res = freq;
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*mul = i;
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*prediv = j;
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*postdiv = k;
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}
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}
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}
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static void calculate(int base, int target, int *prediv, int *postdiv,
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int *mul)
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{
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int tmp_gcd, tmp_base, tmp_freq;
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for (*prediv = 1; *prediv <= 32; (*prediv)++) {
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tmp_base = base / *prediv;
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tmp_gcd = gcd(target, tmp_base);
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*mul = target / tmp_gcd;
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*postdiv = tmp_base / tmp_gcd;
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if ((*mul < 1) || (*mul >= 16))
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continue;
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if ((*postdiv > 0) & (*postdiv <= 32))
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break;
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}
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if (base / *prediv * *mul / *postdiv != target) {
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approximate(base, target, prediv, postdiv, mul);
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tmp_freq = base / *prediv * *mul / *postdiv;
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printk(KERN_WARNING
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"Adjusted requested frequency %d to %d\n",
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target, tmp_freq);
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}
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printk(KERN_DEBUG "Clocks: prediv: %d, postdiv: %d, mul: %d\n",
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*prediv, *postdiv, *mul);
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}
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static int tnetd7300_dsp_clock(void)
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{
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u32 didr1, didr2;
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u8 rev = ar7_chip_rev();
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didr1 = readl((void *)KSEG1ADDR(AR7_REGS_GPIO + 0x18));
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didr2 = readl((void *)KSEG1ADDR(AR7_REGS_GPIO + 0x1c));
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if (didr2 & (1 << 23))
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return 0;
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if ((rev >= 0x23) && (rev != 0x57))
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return 250000000;
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if ((((didr2 & 0x1fff) << 10) | ((didr1 & 0xffc00000) >> 22))
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> 4208000)
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return 250000000;
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return 0;
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}
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static int tnetd7300_get_clock(u32 shift, struct tnetd7300_clock *clock,
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u32 *bootcr, u32 bus_clock)
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{
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int product;
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int base_clock = AR7_REF_CLOCK;
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u32 ctrl = readl(&clock->ctrl);
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u32 pll = readl(&clock->pll);
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int prediv = ((ctrl & PREDIV_MASK) >> PREDIV_SHIFT) + 1;
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int postdiv = (ctrl & POSTDIV_MASK) + 1;
|
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int divisor = prediv * postdiv;
|
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int mul = ((pll & MUL_MASK) >> MUL_SHIFT) + 1;
|
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|
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switch ((*bootcr & (BOOT_PLL_SOURCE_MASK << shift)) >> shift) {
|
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case BOOT_PLL_SOURCE_BUS:
|
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base_clock = bus_clock;
|
||||
break;
|
||||
case BOOT_PLL_SOURCE_REF:
|
||||
base_clock = AR7_REF_CLOCK;
|
||||
break;
|
||||
case BOOT_PLL_SOURCE_XTAL:
|
||||
base_clock = AR7_XTAL_CLOCK;
|
||||
break;
|
||||
case BOOT_PLL_SOURCE_CPU:
|
||||
base_clock = ar7_cpu_clock;
|
||||
break;
|
||||
}
|
||||
|
||||
if (*bootcr & BOOT_PLL_BYPASS)
|
||||
return base_clock / divisor;
|
||||
|
||||
if ((pll & PLL_MODE_MASK) == 0)
|
||||
return (base_clock >> (mul / 16 + 1)) / divisor;
|
||||
|
||||
if ((pll & (PLL_NDIV | PLL_DIV)) == (PLL_NDIV | PLL_DIV)) {
|
||||
product = (mul & 1) ?
|
||||
(base_clock * mul) >> 1 :
|
||||
(base_clock * (mul - 1)) >> 2;
|
||||
return product / divisor;
|
||||
}
|
||||
|
||||
if (mul == 16)
|
||||
return base_clock / divisor;
|
||||
|
||||
return base_clock * mul / divisor;
|
||||
}
|
||||
|
||||
static void tnetd7300_set_clock(u32 shift, struct tnetd7300_clock *clock,
|
||||
u32 *bootcr, u32 frequency)
|
||||
{
|
||||
int prediv, postdiv, mul;
|
||||
int base_clock = ar7_bus_clock;
|
||||
|
||||
switch ((*bootcr & (BOOT_PLL_SOURCE_MASK << shift)) >> shift) {
|
||||
case BOOT_PLL_SOURCE_BUS:
|
||||
base_clock = ar7_bus_clock;
|
||||
break;
|
||||
case BOOT_PLL_SOURCE_REF:
|
||||
base_clock = AR7_REF_CLOCK;
|
||||
break;
|
||||
case BOOT_PLL_SOURCE_XTAL:
|
||||
base_clock = AR7_XTAL_CLOCK;
|
||||
break;
|
||||
case BOOT_PLL_SOURCE_CPU:
|
||||
base_clock = ar7_cpu_clock;
|
||||
break;
|
||||
}
|
||||
|
||||
calculate(base_clock, frequency, &prediv, &postdiv, &mul);
|
||||
|
||||
writel(((prediv - 1) << PREDIV_SHIFT) | (postdiv - 1), &clock->ctrl);
|
||||
msleep(1);
|
||||
writel(4, &clock->pll);
|
||||
while (readl(&clock->pll) & PLL_STATUS)
|
||||
;
|
||||
writel(((mul - 1) << MUL_SHIFT) | (0xff << 3) | 0x0e, &clock->pll);
|
||||
msleep(75);
|
||||
}
|
||||
|
||||
static void __init tnetd7300_init_clocks(void)
|
||||
{
|
||||
u32 *bootcr = (u32 *)ioremap_nocache(AR7_REGS_DCL, 4);
|
||||
struct tnetd7300_clocks *clocks =
|
||||
ioremap_nocache(UR8_REGS_CLOCKS,
|
||||
sizeof(struct tnetd7300_clocks));
|
||||
|
||||
ar7_bus_clock = tnetd7300_get_clock(BUS_PLL_SOURCE_SHIFT,
|
||||
&clocks->bus, bootcr, AR7_AFE_CLOCK);
|
||||
|
||||
if (*bootcr & BOOT_PLL_ASYNC_MODE)
|
||||
ar7_cpu_clock = tnetd7300_get_clock(CPU_PLL_SOURCE_SHIFT,
|
||||
&clocks->cpu, bootcr, AR7_AFE_CLOCK);
|
||||
else
|
||||
ar7_cpu_clock = ar7_bus_clock;
|
||||
|
||||
if (ar7_dsp_clock == 250000000)
|
||||
tnetd7300_set_clock(DSP_PLL_SOURCE_SHIFT, &clocks->dsp,
|
||||
bootcr, ar7_dsp_clock);
|
||||
|
||||
iounmap(clocks);
|
||||
iounmap(bootcr);
|
||||
}
|
||||
|
||||
static int tnetd7200_get_clock(int base, struct tnetd7200_clock *clock,
|
||||
u32 *bootcr, u32 bus_clock)
|
||||
{
|
||||
int divisor = ((readl(&clock->prediv) & 0x1f) + 1) *
|
||||
((readl(&clock->postdiv) & 0x1f) + 1);
|
||||
|
||||
if (*bootcr & BOOT_PLL_BYPASS)
|
||||
return base / divisor;
|
||||
|
||||
return base * ((readl(&clock->mul) & 0xf) + 1) / divisor;
|
||||
}
|
||||
|
||||
|
||||
static void tnetd7200_set_clock(int base, struct tnetd7200_clock *clock,
|
||||
int prediv, int postdiv, int postdiv2, int mul, u32 frequency)
|
||||
{
|
||||
printk(KERN_INFO
|
||||
"Clocks: base = %d, frequency = %u, prediv = %d, "
|
||||
"postdiv = %d, postdiv2 = %d, mul = %d\n",
|
||||
base, frequency, prediv, postdiv, postdiv2, mul);
|
||||
|
||||
writel(0, &clock->ctrl);
|
||||
writel(DIVISOR_ENABLE_MASK | ((prediv - 1) & 0x1F), &clock->prediv);
|
||||
writel((mul - 1) & 0xF, &clock->mul);
|
||||
|
||||
while (readl(&clock->status) & 0x1)
|
||||
; /* nop */
|
||||
|
||||
writel(DIVISOR_ENABLE_MASK | ((postdiv - 1) & 0x1F), &clock->postdiv);
|
||||
|
||||
writel(readl(&clock->cmden) | 1, &clock->cmden);
|
||||
writel(readl(&clock->cmd) | 1, &clock->cmd);
|
||||
|
||||
while (readl(&clock->status) & 0x1)
|
||||
; /* nop */
|
||||
|
||||
writel(DIVISOR_ENABLE_MASK | ((postdiv2 - 1) & 0x1F), &clock->postdiv2);
|
||||
|
||||
writel(readl(&clock->cmden) | 1, &clock->cmden);
|
||||
writel(readl(&clock->cmd) | 1, &clock->cmd);
|
||||
|
||||
while (readl(&clock->status) & 0x1)
|
||||
; /* nop */
|
||||
|
||||
writel(readl(&clock->ctrl) | 1, &clock->ctrl);
|
||||
}
|
||||
|
||||
static int tnetd7200_get_clock_base(int clock_id, u32 *bootcr)
|
||||
{
|
||||
if (*bootcr & BOOT_PLL_ASYNC_MODE)
|
||||
/* Async */
|
||||
switch (clock_id) {
|
||||
case TNETD7200_CLOCK_ID_DSP:
|
||||
return AR7_REF_CLOCK;
|
||||
default:
|
||||
return AR7_AFE_CLOCK;
|
||||
}
|
||||
else
|
||||
/* Sync */
|
||||
if (*bootcr & BOOT_PLL_2TO1_MODE)
|
||||
/* 2:1 */
|
||||
switch (clock_id) {
|
||||
case TNETD7200_CLOCK_ID_DSP:
|
||||
return AR7_REF_CLOCK;
|
||||
default:
|
||||
return AR7_AFE_CLOCK;
|
||||
}
|
||||
else
|
||||
/* 1:1 */
|
||||
return AR7_REF_CLOCK;
|
||||
}
|
||||
|
||||
|
||||
static void __init tnetd7200_init_clocks(void)
|
||||
{
|
||||
u32 *bootcr = (u32 *)ioremap_nocache(AR7_REGS_DCL, 4);
|
||||
struct tnetd7200_clocks *clocks =
|
||||
ioremap_nocache(AR7_REGS_CLOCKS,
|
||||
sizeof(struct tnetd7200_clocks));
|
||||
int cpu_base, cpu_mul, cpu_prediv, cpu_postdiv;
|
||||
int dsp_base, dsp_mul, dsp_prediv, dsp_postdiv;
|
||||
int usb_base, usb_mul, usb_prediv, usb_postdiv;
|
||||
|
||||
cpu_base = tnetd7200_get_clock_base(TNETD7200_CLOCK_ID_CPU, bootcr);
|
||||
dsp_base = tnetd7200_get_clock_base(TNETD7200_CLOCK_ID_DSP, bootcr);
|
||||
|
||||
if (*bootcr & BOOT_PLL_ASYNC_MODE) {
|
||||
printk(KERN_INFO "Clocks: Async mode\n");
|
||||
|
||||
printk(KERN_INFO "Clocks: Setting DSP clock\n");
|
||||
calculate(dsp_base, TNETD7200_DEF_DSP_CLK,
|
||||
&dsp_prediv, &dsp_postdiv, &dsp_mul);
|
||||
ar7_bus_clock =
|
||||
((dsp_base / dsp_prediv) * dsp_mul) / dsp_postdiv;
|
||||
tnetd7200_set_clock(dsp_base, &clocks->dsp,
|
||||
dsp_prediv, dsp_postdiv * 2, dsp_postdiv, dsp_mul * 2,
|
||||
ar7_bus_clock);
|
||||
|
||||
printk(KERN_INFO "Clocks: Setting CPU clock\n");
|
||||
calculate(cpu_base, TNETD7200_DEF_CPU_CLK, &cpu_prediv,
|
||||
&cpu_postdiv, &cpu_mul);
|
||||
ar7_cpu_clock =
|
||||
((cpu_base / cpu_prediv) * cpu_mul) / cpu_postdiv;
|
||||
tnetd7200_set_clock(cpu_base, &clocks->cpu,
|
||||
cpu_prediv, cpu_postdiv, -1, cpu_mul,
|
||||
ar7_cpu_clock);
|
||||
|
||||
} else
|
||||
if (*bootcr & BOOT_PLL_2TO1_MODE) {
|
||||
printk(KERN_INFO "Clocks: Sync 2:1 mode\n");
|
||||
|
||||
printk(KERN_INFO "Clocks: Setting CPU clock\n");
|
||||
calculate(cpu_base, TNETD7200_DEF_CPU_CLK, &cpu_prediv,
|
||||
&cpu_postdiv, &cpu_mul);
|
||||
ar7_cpu_clock = ((cpu_base / cpu_prediv) * cpu_mul)
|
||||
/ cpu_postdiv;
|
||||
tnetd7200_set_clock(cpu_base, &clocks->cpu,
|
||||
cpu_prediv, cpu_postdiv, -1, cpu_mul,
|
||||
ar7_cpu_clock);
|
||||
|
||||
printk(KERN_INFO "Clocks: Setting DSP clock\n");
|
||||
calculate(dsp_base, TNETD7200_DEF_DSP_CLK, &dsp_prediv,
|
||||
&dsp_postdiv, &dsp_mul);
|
||||
ar7_bus_clock = ar7_cpu_clock / 2;
|
||||
tnetd7200_set_clock(dsp_base, &clocks->dsp,
|
||||
dsp_prediv, dsp_postdiv * 2, dsp_postdiv,
|
||||
dsp_mul * 2, ar7_bus_clock);
|
||||
} else {
|
||||
printk(KERN_INFO "Clocks: Sync 1:1 mode\n");
|
||||
|
||||
printk(KERN_INFO "Clocks: Setting DSP clock\n");
|
||||
calculate(dsp_base, TNETD7200_DEF_DSP_CLK, &dsp_prediv,
|
||||
&dsp_postdiv, &dsp_mul);
|
||||
ar7_bus_clock = ((dsp_base / dsp_prediv) * dsp_mul)
|
||||
/ dsp_postdiv;
|
||||
tnetd7200_set_clock(dsp_base, &clocks->dsp,
|
||||
dsp_prediv, dsp_postdiv * 2, dsp_postdiv,
|
||||
dsp_mul * 2, ar7_bus_clock);
|
||||
|
||||
ar7_cpu_clock = ar7_bus_clock;
|
||||
}
|
||||
|
||||
printk(KERN_INFO "Clocks: Setting USB clock\n");
|
||||
usb_base = ar7_bus_clock;
|
||||
calculate(usb_base, TNETD7200_DEF_USB_CLK, &usb_prediv,
|
||||
&usb_postdiv, &usb_mul);
|
||||
tnetd7200_set_clock(usb_base, &clocks->usb,
|
||||
usb_prediv, usb_postdiv, -1, usb_mul,
|
||||
TNETD7200_DEF_USB_CLK);
|
||||
|
||||
ar7_dsp_clock = ar7_cpu_clock;
|
||||
|
||||
iounmap(clocks);
|
||||
iounmap(bootcr);
|
||||
}
|
||||
|
||||
int __init ar7_init_clocks(void)
|
||||
{
|
||||
switch (ar7_chip_id()) {
|
||||
case AR7_CHIP_7100:
|
||||
case AR7_CHIP_7200:
|
||||
tnetd7200_init_clocks();
|
||||
break;
|
||||
case AR7_CHIP_7300:
|
||||
ar7_dsp_clock = tnetd7300_dsp_clock();
|
||||
tnetd7300_init_clocks();
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
arch_initcall(ar7_init_clocks);
|
||||
@@ -0,0 +1,48 @@
|
||||
/*
|
||||
* Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org>
|
||||
* Copyright (C) 2007 Eugene Konev <ejka@openwrt.org>
|
||||
*
|
||||
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#include <linux/module.h>
|
||||
|
||||
#include <asm/mach-ar7/gpio.h>
|
||||
|
||||
static const char *ar7_gpio_list[AR7_GPIO_MAX];
|
||||
|
||||
int gpio_request(unsigned gpio, const char *label)
|
||||
{
|
||||
if (gpio >= AR7_GPIO_MAX)
|
||||
return -EINVAL;
|
||||
|
||||
if (ar7_gpio_list[gpio])
|
||||
return -EBUSY;
|
||||
|
||||
if (label)
|
||||
ar7_gpio_list[gpio] = label;
|
||||
else
|
||||
ar7_gpio_list[gpio] = "busy";
|
||||
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL(gpio_request);
|
||||
|
||||
void gpio_free(unsigned gpio)
|
||||
{
|
||||
BUG_ON(!ar7_gpio_list[gpio]);
|
||||
ar7_gpio_list[gpio] = NULL;
|
||||
}
|
||||
EXPORT_SYMBOL(gpio_free);
|
||||
@@ -0,0 +1,176 @@
|
||||
/*
|
||||
* Copyright (C) 2006,2007 Felix Fietkau <nbd@openwrt.org>
|
||||
* Copyright (C) 2006,2007 Eugene Konev <ejka@openwrt.org>
|
||||
*
|
||||
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/io.h>
|
||||
|
||||
#include <asm/irq_cpu.h>
|
||||
#include <asm/mipsregs.h>
|
||||
#include <asm/mach-ar7/ar7.h>
|
||||
|
||||
#define EXCEPT_OFFSET 0x80
|
||||
#define PACE_OFFSET 0xA0
|
||||
#define CHNLS_OFFSET 0x200
|
||||
|
||||
#define REG_OFFSET(irq, reg) ((irq) / 32 * 0x4 + reg * 0x10)
|
||||
#define SEC_REG_OFFSET(reg) (EXCEPT_OFFSET + reg * 0x8)
|
||||
#define SEC_SR_OFFSET (SEC_REG_OFFSET(0)) /* 0x80 */
|
||||
#define CR_OFFSET(irq) (REG_OFFSET(irq, 1)) /* 0x10 */
|
||||
#define SEC_CR_OFFSET (SEC_REG_OFFSET(1)) /* 0x88 */
|
||||
#define ESR_OFFSET(irq) (REG_OFFSET(irq, 2)) /* 0x20 */
|
||||
#define SEC_ESR_OFFSET (SEC_REG_OFFSET(2)) /* 0x90 */
|
||||
#define ECR_OFFSET(irq) (REG_OFFSET(irq, 3)) /* 0x30 */
|
||||
#define SEC_ECR_OFFSET (SEC_REG_OFFSET(3)) /* 0x98 */
|
||||
#define PIR_OFFSET (0x40)
|
||||
#define MSR_OFFSET (0x44)
|
||||
#define PM_OFFSET(irq) (REG_OFFSET(irq, 5)) /* 0x50 */
|
||||
#define TM_OFFSET(irq) (REG_OFFSET(irq, 6)) /* 0x60 */
|
||||
|
||||
#define REG(addr) ((u32 *)(KSEG1ADDR(AR7_REGS_IRQ) + addr))
|
||||
|
||||
#define CHNL_OFFSET(chnl) (CHNLS_OFFSET + (chnl * 4))
|
||||
|
||||
static int ar7_irq_base;
|
||||
|
||||
static void ar7_unmask_irq(unsigned int irq)
|
||||
{
|
||||
writel(1 << ((irq - ar7_irq_base) % 32),
|
||||
REG(ESR_OFFSET(irq - ar7_irq_base)));
|
||||
}
|
||||
|
||||
static void ar7_mask_irq(unsigned int irq)
|
||||
{
|
||||
writel(1 << ((irq - ar7_irq_base) % 32),
|
||||
REG(ECR_OFFSET(irq - ar7_irq_base)));
|
||||
}
|
||||
|
||||
static void ar7_ack_irq(unsigned int irq)
|
||||
{
|
||||
writel(1 << ((irq - ar7_irq_base) % 32),
|
||||
REG(CR_OFFSET(irq - ar7_irq_base)));
|
||||
}
|
||||
|
||||
static void ar7_unmask_sec_irq(unsigned int irq)
|
||||
{
|
||||
writel(1 << (irq - ar7_irq_base - 40), REG(SEC_ESR_OFFSET));
|
||||
}
|
||||
|
||||
static void ar7_mask_sec_irq(unsigned int irq)
|
||||
{
|
||||
writel(1 << (irq - ar7_irq_base - 40), REG(SEC_ECR_OFFSET));
|
||||
}
|
||||
|
||||
static void ar7_ack_sec_irq(unsigned int irq)
|
||||
{
|
||||
writel(1 << (irq - ar7_irq_base - 40), REG(SEC_CR_OFFSET));
|
||||
}
|
||||
|
||||
static struct irq_chip ar7_irq_type = {
|
||||
.name = "AR7",
|
||||
.unmask = ar7_unmask_irq,
|
||||
.mask = ar7_mask_irq,
|
||||
.ack = ar7_ack_irq
|
||||
};
|
||||
|
||||
static struct irq_chip ar7_sec_irq_type = {
|
||||
.name = "AR7",
|
||||
.unmask = ar7_unmask_sec_irq,
|
||||
.mask = ar7_mask_sec_irq,
|
||||
.ack = ar7_ack_sec_irq,
|
||||
};
|
||||
|
||||
static struct irqaction ar7_cascade_action = {
|
||||
.handler = no_action,
|
||||
.name = "AR7 cascade interrupt"
|
||||
};
|
||||
|
||||
static void __init ar7_irq_init(int base)
|
||||
{
|
||||
int i;
|
||||
/*
|
||||
* Disable interrupts and clear pending
|
||||
*/
|
||||
writel(0xffffffff, REG(ECR_OFFSET(0)));
|
||||
writel(0xff, REG(ECR_OFFSET(32)));
|
||||
writel(0xffffffff, REG(SEC_ECR_OFFSET));
|
||||
writel(0xffffffff, REG(CR_OFFSET(0)));
|
||||
writel(0xff, REG(CR_OFFSET(32)));
|
||||
writel(0xffffffff, REG(SEC_CR_OFFSET));
|
||||
|
||||
ar7_irq_base = base;
|
||||
|
||||
for (i = 0; i < 40; i++) {
|
||||
writel(i, REG(CHNL_OFFSET(i)));
|
||||
/* Primary IRQ's */
|
||||
set_irq_chip_and_handler(base + i, &ar7_irq_type,
|
||||
handle_level_irq);
|
||||
/* Secondary IRQ's */
|
||||
if (i < 32)
|
||||
set_irq_chip_and_handler(base + i + 40,
|
||||
&ar7_sec_irq_type,
|
||||
handle_level_irq);
|
||||
}
|
||||
|
||||
setup_irq(2, &ar7_cascade_action);
|
||||
setup_irq(ar7_irq_base, &ar7_cascade_action);
|
||||
set_c0_status(IE_IRQ0);
|
||||
}
|
||||
|
||||
void __init arch_init_irq(void)
|
||||
{
|
||||
mips_cpu_irq_init();
|
||||
ar7_irq_init(8);
|
||||
}
|
||||
|
||||
static void ar7_cascade(void)
|
||||
{
|
||||
u32 status;
|
||||
int i, irq;
|
||||
|
||||
/* Primary IRQ's */
|
||||
irq = readl(REG(PIR_OFFSET)) & 0x3f;
|
||||
if (irq) {
|
||||
do_IRQ(ar7_irq_base + irq);
|
||||
return;
|
||||
}
|
||||
|
||||
/* Secondary IRQ's are cascaded through primary '0' */
|
||||
writel(1, REG(CR_OFFSET(irq)));
|
||||
status = readl(REG(SEC_SR_OFFSET));
|
||||
for (i = 0; i < 32; i++) {
|
||||
if (status & 1) {
|
||||
do_IRQ(ar7_irq_base + i + 40);
|
||||
return;
|
||||
}
|
||||
status >>= 1;
|
||||
}
|
||||
|
||||
spurious_interrupt();
|
||||
}
|
||||
|
||||
asmlinkage void plat_irq_dispatch(void)
|
||||
{
|
||||
unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM;
|
||||
if (pending & STATUSF_IP7) /* cpu timer */
|
||||
do_IRQ(7);
|
||||
else if (pending & STATUSF_IP2) /* int0 hardware line */
|
||||
ar7_cascade();
|
||||
else
|
||||
spurious_interrupt();
|
||||
}
|
||||
@@ -0,0 +1,72 @@
|
||||
/*
|
||||
* Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org>
|
||||
* Copyright (C) 2007 Eugene Konev <ejka@openwrt.org>
|
||||
*
|
||||
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
#include <linux/bootmem.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/mm.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/pfn.h>
|
||||
#include <linux/proc_fs.h>
|
||||
#include <linux/string.h>
|
||||
#include <linux/swap.h>
|
||||
|
||||
#include <asm/bootinfo.h>
|
||||
#include <asm/page.h>
|
||||
#include <asm/sections.h>
|
||||
|
||||
#include <asm/mach-ar7/ar7.h>
|
||||
#include <asm/mips-boards/prom.h>
|
||||
|
||||
static int __init memsize(void)
|
||||
{
|
||||
u32 size = (64 << 20);
|
||||
u32 *addr = (u32 *)KSEG1ADDR(AR7_SDRAM_BASE + size - 4);
|
||||
u32 *kernel_end = (u32 *)KSEG1ADDR(CPHYSADDR((u32)&_end));
|
||||
u32 *tmpaddr = addr;
|
||||
|
||||
while (tmpaddr > kernel_end) {
|
||||
*tmpaddr = (u32)tmpaddr;
|
||||
size >>= 1;
|
||||
tmpaddr -= size >> 2;
|
||||
}
|
||||
|
||||
do {
|
||||
tmpaddr += size >> 2;
|
||||
if (*tmpaddr != (u32)tmpaddr)
|
||||
break;
|
||||
size <<= 1;
|
||||
} while (size < (64 << 20));
|
||||
|
||||
writel(tmpaddr, &addr);
|
||||
|
||||
return size;
|
||||
}
|
||||
|
||||
void __init prom_meminit(void)
|
||||
{
|
||||
unsigned long pages;
|
||||
|
||||
pages = memsize() >> PAGE_SHIFT;
|
||||
add_memory_region(PHYS_OFFSET, pages << PAGE_SHIFT,
|
||||
BOOT_MEM_RAM);
|
||||
}
|
||||
|
||||
void __init prom_free_prom_memory(void)
|
||||
{
|
||||
/* Nothing to free */
|
||||
}
|
||||
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,297 @@
|
||||
/*
|
||||
* Carsten Langgaard, carstenl@mips.com
|
||||
* Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
|
||||
*
|
||||
* This program is free software; you can distribute 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 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.
|
||||
*
|
||||
* Putting things on the screen/serial line using YAMONs facilities.
|
||||
*/
|
||||
#include <linux/init.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/serial_reg.h>
|
||||
#include <linux/spinlock.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/string.h>
|
||||
#include <linux/io.h>
|
||||
#include <asm/bootinfo.h>
|
||||
|
||||
#include <asm/mach-ar7/ar7.h>
|
||||
#include <asm/mach-ar7/prom.h>
|
||||
|
||||
#define MAX_ENTRY 80
|
||||
|
||||
struct env_var {
|
||||
char *name;
|
||||
char *value;
|
||||
};
|
||||
|
||||
static struct env_var adam2_env[MAX_ENTRY];
|
||||
|
||||
char *prom_getenv(const char *name)
|
||||
{
|
||||
int i;
|
||||
for (i = 0; (i < MAX_ENTRY) && adam2_env[i].name; i++)
|
||||
if (!strcmp(name, adam2_env[i].name))
|
||||
return adam2_env[i].value;
|
||||
|
||||
return NULL;
|
||||
}
|
||||
EXPORT_SYMBOL(prom_getenv);
|
||||
|
||||
char * __init prom_getcmdline(void)
|
||||
{
|
||||
return &(arcs_cmdline[0]);
|
||||
}
|
||||
|
||||
static void __init ar7_init_cmdline(int argc, char *argv[])
|
||||
{
|
||||
char *cp;
|
||||
int actr;
|
||||
|
||||
actr = 1; /* Always ignore argv[0] */
|
||||
|
||||
cp = &(arcs_cmdline[0]);
|
||||
while (actr < argc) {
|
||||
strcpy(cp, argv[actr]);
|
||||
cp += strlen(argv[actr]);
|
||||
*cp++ = ' ';
|
||||
actr++;
|
||||
}
|
||||
if (cp != &(arcs_cmdline[0])) {
|
||||
/* get rid of trailing space */
|
||||
--cp;
|
||||
*cp = '\0';
|
||||
}
|
||||
}
|
||||
|
||||
struct psbl_rec {
|
||||
u32 psbl_size;
|
||||
u32 env_base;
|
||||
u32 env_size;
|
||||
u32 ffs_base;
|
||||
u32 ffs_size;
|
||||
};
|
||||
|
||||
static __initdata char psp_env_version[] = "TIENV0.8";
|
||||
|
||||
struct psp_env_chunk {
|
||||
u8 num;
|
||||
u8 ctrl;
|
||||
u16 csum;
|
||||
u8 len;
|
||||
char data[11];
|
||||
} __attribute__ ((packed));
|
||||
|
||||
struct psp_var_map_entry {
|
||||
u8 num;
|
||||
char *value;
|
||||
};
|
||||
|
||||
static struct psp_var_map_entry psp_var_map[] = {
|
||||
{ 1, "cpufrequency" },
|
||||
{ 2, "memsize" },
|
||||
{ 3, "flashsize" },
|
||||
{ 4, "modetty0" },
|
||||
{ 5, "modetty1" },
|
||||
{ 8, "maca" },
|
||||
{ 9, "macb" },
|
||||
{ 28, "sysfrequency" },
|
||||
{ 38, "mipsfrequency" },
|
||||
};
|
||||
|
||||
/*
|
||||
|
||||
Well-known variable (num is looked up in table above for matching variable name)
|
||||
Example: cpufrequency=211968000
|
||||
+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+---
|
||||
| 01 |CTRL|CHECKSUM | 01 | _2 | _1 | _1 | _9 | _6 | _8 | _0 | _0 | _0 | \0 | FF
|
||||
+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+---
|
||||
|
||||
Name=Value pair in a single chunk
|
||||
Example: NAME=VALUE
|
||||
+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+---
|
||||
| 00 |CTRL|CHECKSUM | 01 | _N | _A | _M | _E | _0 | _V | _A | _L | _U | _E | \0
|
||||
+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+---
|
||||
|
||||
Name=Value pair in 2 chunks (len is the number of chunks)
|
||||
Example: bootloaderVersion=1.3.7.15
|
||||
+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+---
|
||||
| 00 |CTRL|CHECKSUM | 02 | _b | _o | _o | _t | _l | _o | _a | _d | _e | _r | _V
|
||||
+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+---
|
||||
| _e | _r | _s | _i | _o | _n | \0 | _1 | _. | _3 | _. | _7 | _. | _1 | _5 | \0
|
||||
+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+---
|
||||
|
||||
Data is padded with 0xFF
|
||||
|
||||
*/
|
||||
|
||||
#define PSP_ENV_SIZE 4096
|
||||
|
||||
static char psp_env_data[PSP_ENV_SIZE] = { 0, };
|
||||
|
||||
static char * __init lookup_psp_var_map(u8 num)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < sizeof(psp_var_map); i++)
|
||||
if (psp_var_map[i].num == num)
|
||||
return psp_var_map[i].value;
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static void __init add_adam2_var(char *name, char *value)
|
||||
{
|
||||
int i;
|
||||
for (i = 0; i < MAX_ENTRY; i++) {
|
||||
if (!adam2_env[i].name) {
|
||||
adam2_env[i].name = name;
|
||||
adam2_env[i].value = value;
|
||||
return;
|
||||
} else if (!strcmp(adam2_env[i].name, name)) {
|
||||
adam2_env[i].value = value;
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static int __init parse_psp_env(void *psp_env_base)
|
||||
{
|
||||
int i, n;
|
||||
char *name, *value;
|
||||
struct psp_env_chunk *chunks = (struct psp_env_chunk *)psp_env_data;
|
||||
|
||||
memcpy_fromio(chunks, psp_env_base, PSP_ENV_SIZE);
|
||||
|
||||
i = 1;
|
||||
n = PSP_ENV_SIZE / sizeof(struct psp_env_chunk);
|
||||
while (i < n) {
|
||||
if ((chunks[i].num == 0xff) || ((i + chunks[i].len) > n))
|
||||
break;
|
||||
value = chunks[i].data;
|
||||
if (chunks[i].num) {
|
||||
name = lookup_psp_var_map(chunks[i].num);
|
||||
} else {
|
||||
name = value;
|
||||
value += strlen(name) + 1;
|
||||
}
|
||||
if (name)
|
||||
add_adam2_var(name, value);
|
||||
i += chunks[i].len;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void __init ar7_init_env(struct env_var *env)
|
||||
{
|
||||
int i;
|
||||
struct psbl_rec *psbl = (struct psbl_rec *)(KSEG1ADDR(0x14000300));
|
||||
void *psp_env = (void *)KSEG1ADDR(psbl->env_base);
|
||||
|
||||
if (strcmp(psp_env, psp_env_version) == 0) {
|
||||
parse_psp_env(psp_env);
|
||||
} else {
|
||||
for (i = 0; i < MAX_ENTRY; i++, env++)
|
||||
if (env->name)
|
||||
add_adam2_var(env->name, env->value);
|
||||
}
|
||||
}
|
||||
|
||||
static void __init console_config(void)
|
||||
{
|
||||
#ifdef CONFIG_SERIAL_8250_CONSOLE
|
||||
char console_string[40];
|
||||
int baud = 0;
|
||||
char parity = '\0', bits = '\0', flow = '\0';
|
||||
char *s, *p;
|
||||
|
||||
if (strstr(prom_getcmdline(), "console="))
|
||||
return;
|
||||
|
||||
#ifdef CONFIG_KGDB
|
||||
if (!strstr(prom_getcmdline(), "nokgdb")) {
|
||||
strcat(prom_getcmdline(), " console=kgdb");
|
||||
kgdb_enabled = 1;
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
s = prom_getenv("modetty0");
|
||||
if (s) {
|
||||
baud = simple_strtoul(s, &p, 10);
|
||||
s = p;
|
||||
if (*s == ',')
|
||||
s++;
|
||||
if (*s)
|
||||
parity = *s++;
|
||||
if (*s == ',')
|
||||
s++;
|
||||
if (*s)
|
||||
bits = *s++;
|
||||
if (*s == ',')
|
||||
s++;
|
||||
if (*s == 'h')
|
||||
flow = 'r';
|
||||
}
|
||||
|
||||
if (baud == 0)
|
||||
baud = 38400;
|
||||
if (parity != 'n' && parity != 'o' && parity != 'e')
|
||||
parity = 'n';
|
||||
if (bits != '7' && bits != '8')
|
||||
bits = '8';
|
||||
|
||||
if (flow == 'r')
|
||||
sprintf(console_string, " console=ttyS0,%d%c%c%c", baud,
|
||||
parity, bits, flow);
|
||||
else
|
||||
sprintf(console_string, " console=ttyS0,%d%c%c", baud, parity,
|
||||
bits);
|
||||
strcat(prom_getcmdline(), console_string);
|
||||
#endif
|
||||
}
|
||||
|
||||
void __init prom_init(void)
|
||||
{
|
||||
ar7_init_cmdline(fw_arg0, (char **)fw_arg1);
|
||||
ar7_init_env((struct env_var *)fw_arg2);
|
||||
console_config();
|
||||
}
|
||||
|
||||
#define PORT(offset) (KSEG1ADDR(AR7_REGS_UART0 + (offset * 4)))
|
||||
static inline unsigned int serial_in(int offset)
|
||||
{
|
||||
return readl((void *)PORT(offset));
|
||||
}
|
||||
|
||||
static inline void serial_out(int offset, int value)
|
||||
{
|
||||
writel(value, (void *)PORT(offset));
|
||||
}
|
||||
|
||||
char prom_getchar(void)
|
||||
{
|
||||
while (!(serial_in(UART_LSR) & UART_LSR_DR))
|
||||
;
|
||||
return serial_in(UART_RX);
|
||||
}
|
||||
|
||||
int prom_putchar(char c)
|
||||
{
|
||||
while ((serial_in(UART_LSR) & UART_LSR_TEMT) == 0)
|
||||
;
|
||||
serial_out(UART_TX, c);
|
||||
return 1;
|
||||
}
|
||||
|
||||
@@ -0,0 +1,94 @@
|
||||
/*
|
||||
* Carsten Langgaard, carstenl@mips.com
|
||||
* Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
|
||||
*
|
||||
* This program is free software; you can distribute 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 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/version.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/ioport.h>
|
||||
#include <linux/pm.h>
|
||||
#include <linux/time.h>
|
||||
|
||||
#include <asm/reboot.h>
|
||||
#include <asm/mach-ar7/ar7.h>
|
||||
#include <asm/mach-ar7/prom.h>
|
||||
|
||||
static void ar7_machine_restart(char *command)
|
||||
{
|
||||
u32 *softres_reg = ioremap(AR7_REGS_RESET +
|
||||
AR7_RESET_SOFTWARE, 1);
|
||||
writel(1, softres_reg);
|
||||
}
|
||||
|
||||
static void ar7_machine_halt(void)
|
||||
{
|
||||
while (1)
|
||||
;
|
||||
}
|
||||
|
||||
static void ar7_machine_power_off(void)
|
||||
{
|
||||
u32 *power_reg = (u32 *)ioremap(AR7_REGS_POWER, 1);
|
||||
u32 power_state = readl(power_reg) | (3 << 30);
|
||||
writel(power_state, power_reg);
|
||||
ar7_machine_halt();
|
||||
}
|
||||
|
||||
const char *get_system_type(void)
|
||||
{
|
||||
u16 chip_id = ar7_chip_id();
|
||||
switch (chip_id) {
|
||||
case AR7_CHIP_7300:
|
||||
return "TI AR7 (TNETD7300)";
|
||||
case AR7_CHIP_7100:
|
||||
return "TI AR7 (TNETD7100)";
|
||||
case AR7_CHIP_7200:
|
||||
return "TI AR7 (TNETD7200)";
|
||||
default:
|
||||
return "TI AR7 (Unknown)";
|
||||
}
|
||||
}
|
||||
|
||||
static int __init ar7_init_console(void)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
console_initcall(ar7_init_console);
|
||||
|
||||
/*
|
||||
* Initializes basic routines and structures pointers, memory size (as
|
||||
* given by the bios and saves the command line.
|
||||
*/
|
||||
|
||||
void __init plat_mem_setup(void)
|
||||
{
|
||||
unsigned long io_base;
|
||||
|
||||
_machine_restart = ar7_machine_restart;
|
||||
_machine_halt = ar7_machine_halt;
|
||||
pm_power_off = ar7_machine_power_off;
|
||||
panic_timeout = 3;
|
||||
|
||||
io_base = (unsigned long)ioremap(AR7_REGS_BASE, 0x10000);
|
||||
if (!io_base)
|
||||
panic("Can't remap IO base!\n");
|
||||
set_io_port_base(io_base);
|
||||
|
||||
prom_meminit();
|
||||
|
||||
printk(KERN_INFO "%s, ID: 0x%04x, Revision: 0x%02x\n",
|
||||
get_system_type(),
|
||||
ar7_chip_id(), ar7_chip_rev());
|
||||
}
|
||||
@@ -0,0 +1,30 @@
|
||||
/*
|
||||
* Carsten Langgaard, carstenl@mips.com
|
||||
* Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
|
||||
*
|
||||
* This program is free software; you can distribute 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 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.
|
||||
*
|
||||
* Setting up the clock on the MIPS boards.
|
||||
*/
|
||||
|
||||
#include <linux/init.h>
|
||||
#include <linux/time.h>
|
||||
|
||||
#include <asm/time.h>
|
||||
#include <asm/mach-ar7/ar7.h>
|
||||
|
||||
void __init plat_time_init(void)
|
||||
{
|
||||
mips_hpt_frequency = ar7_cpu_freq() / 2;
|
||||
}
|
||||
@@ -14,9 +14,5 @@ obj-y += dma-octeon.o flash_setup.o
|
||||
obj-y += octeon-memcpy.o
|
||||
|
||||
obj-$(CONFIG_SMP) += smp.o
|
||||
obj-$(CONFIG_PCI) += pci-common.o
|
||||
obj-$(CONFIG_PCI) += pci.o
|
||||
obj-$(CONFIG_PCI) += pcie.o
|
||||
obj-$(CONFIG_PCI_MSI) += msi.o
|
||||
|
||||
EXTRA_CFLAGS += -Werror
|
||||
|
||||
@@ -29,7 +29,7 @@
|
||||
#include <dma-coherence.h>
|
||||
|
||||
#ifdef CONFIG_PCI
|
||||
#include "pci-common.h"
|
||||
#include <asm/octeon/pci-octeon.h>
|
||||
#endif
|
||||
|
||||
#define BAR2_PCI_ADDRESS 0x8000000000ul
|
||||
|
||||
@@ -1,137 +0,0 @@
|
||||
/*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
*
|
||||
* Copyright (C) 2005-2007 Cavium Networks
|
||||
*/
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/pci.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/time.h>
|
||||
#include <linux/delay.h>
|
||||
#include "pci-common.h"
|
||||
|
||||
typeof(pcibios_map_irq) *octeon_pcibios_map_irq;
|
||||
enum octeon_dma_bar_type octeon_dma_bar_type = OCTEON_DMA_BAR_TYPE_INVALID;
|
||||
|
||||
/**
|
||||
* Map a PCI device to the appropriate interrupt line
|
||||
*
|
||||
* @param dev The Linux PCI device structure for the device to map
|
||||
* @param slot The slot number for this device on __BUS 0__. Linux
|
||||
* enumerates through all the bridges and figures out the
|
||||
* slot on Bus 0 where this device eventually hooks to.
|
||||
* @param pin The PCI interrupt pin read from the device, then swizzled
|
||||
* as it goes through each bridge.
|
||||
* @return Interrupt number for the device
|
||||
*/
|
||||
int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
|
||||
{
|
||||
if (octeon_pcibios_map_irq)
|
||||
return octeon_pcibios_map_irq(dev, slot, pin);
|
||||
else
|
||||
panic("octeon_pcibios_map_irq doesn't point to a "
|
||||
"pcibios_map_irq() function");
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Called to perform platform specific PCI setup
|
||||
*
|
||||
* @param dev
|
||||
* @return
|
||||
*/
|
||||
int pcibios_plat_dev_init(struct pci_dev *dev)
|
||||
{
|
||||
uint16_t config;
|
||||
uint32_t dconfig;
|
||||
int pos;
|
||||
/*
|
||||
* Force the Cache line setting to 64 bytes. The standard
|
||||
* Linux bus scan doesn't seem to set it. Octeon really has
|
||||
* 128 byte lines, but Intel bridges get really upset if you
|
||||
* try and set values above 64 bytes. Value is specified in
|
||||
* 32bit words.
|
||||
*/
|
||||
pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, 64 / 4);
|
||||
/* Set latency timers for all devices */
|
||||
pci_write_config_byte(dev, PCI_LATENCY_TIMER, 48);
|
||||
|
||||
/* Enable reporting System errors and parity errors on all devices */
|
||||
/* Enable parity checking and error reporting */
|
||||
pci_read_config_word(dev, PCI_COMMAND, &config);
|
||||
config |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
|
||||
pci_write_config_word(dev, PCI_COMMAND, config);
|
||||
|
||||
if (dev->subordinate) {
|
||||
/* Set latency timers on sub bridges */
|
||||
pci_write_config_byte(dev, PCI_SEC_LATENCY_TIMER, 48);
|
||||
/* More bridge error detection */
|
||||
pci_read_config_word(dev, PCI_BRIDGE_CONTROL, &config);
|
||||
config |= PCI_BRIDGE_CTL_PARITY | PCI_BRIDGE_CTL_SERR;
|
||||
pci_write_config_word(dev, PCI_BRIDGE_CONTROL, config);
|
||||
}
|
||||
|
||||
/* Enable the PCIe normal error reporting */
|
||||
pos = pci_find_capability(dev, PCI_CAP_ID_EXP);
|
||||
if (pos) {
|
||||
/* Update Device Control */
|
||||
pci_read_config_word(dev, pos + PCI_EXP_DEVCTL, &config);
|
||||
/* Correctable Error Reporting */
|
||||
config |= PCI_EXP_DEVCTL_CERE;
|
||||
/* Non-Fatal Error Reporting */
|
||||
config |= PCI_EXP_DEVCTL_NFERE;
|
||||
/* Fatal Error Reporting */
|
||||
config |= PCI_EXP_DEVCTL_FERE;
|
||||
/* Unsupported Request */
|
||||
config |= PCI_EXP_DEVCTL_URRE;
|
||||
pci_write_config_word(dev, pos + PCI_EXP_DEVCTL, config);
|
||||
}
|
||||
|
||||
/* Find the Advanced Error Reporting capability */
|
||||
pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
|
||||
if (pos) {
|
||||
/* Clear Uncorrectable Error Status */
|
||||
pci_read_config_dword(dev, pos + PCI_ERR_UNCOR_STATUS,
|
||||
&dconfig);
|
||||
pci_write_config_dword(dev, pos + PCI_ERR_UNCOR_STATUS,
|
||||
dconfig);
|
||||
/* Enable reporting of all uncorrectable errors */
|
||||
/* Uncorrectable Error Mask - turned on bits disable errors */
|
||||
pci_write_config_dword(dev, pos + PCI_ERR_UNCOR_MASK, 0);
|
||||
/*
|
||||
* Leave severity at HW default. This only controls if
|
||||
* errors are reported as uncorrectable or
|
||||
* correctable, not if the error is reported.
|
||||
*/
|
||||
/* PCI_ERR_UNCOR_SEVER - Uncorrectable Error Severity */
|
||||
/* Clear Correctable Error Status */
|
||||
pci_read_config_dword(dev, pos + PCI_ERR_COR_STATUS, &dconfig);
|
||||
pci_write_config_dword(dev, pos + PCI_ERR_COR_STATUS, dconfig);
|
||||
/* Enable reporting of all correctable errors */
|
||||
/* Correctable Error Mask - turned on bits disable errors */
|
||||
pci_write_config_dword(dev, pos + PCI_ERR_COR_MASK, 0);
|
||||
/* Advanced Error Capabilities */
|
||||
pci_read_config_dword(dev, pos + PCI_ERR_CAP, &dconfig);
|
||||
/* ECRC Generation Enable */
|
||||
if (config & PCI_ERR_CAP_ECRC_GENC)
|
||||
config |= PCI_ERR_CAP_ECRC_GENE;
|
||||
/* ECRC Check Enable */
|
||||
if (config & PCI_ERR_CAP_ECRC_CHKC)
|
||||
config |= PCI_ERR_CAP_ECRC_CHKE;
|
||||
pci_write_config_dword(dev, pos + PCI_ERR_CAP, dconfig);
|
||||
/* PCI_ERR_HEADER_LOG - Header Log Register (16 bytes) */
|
||||
/* Report all errors to the root complex */
|
||||
pci_write_config_dword(dev, pos + PCI_ERR_ROOT_COMMAND,
|
||||
PCI_ERR_ROOT_CMD_COR_EN |
|
||||
PCI_ERR_ROOT_CMD_NONFATAL_EN |
|
||||
PCI_ERR_ROOT_CMD_FATAL_EN);
|
||||
/* Clear the Root status register */
|
||||
pci_read_config_dword(dev, pos + PCI_ERR_ROOT_STATUS, &dconfig);
|
||||
pci_write_config_dword(dev, pos + PCI_ERR_ROOT_STATUS, dconfig);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
@@ -1,7 +1,7 @@
|
||||
/*
|
||||
* Cobalt buttons platform device.
|
||||
*
|
||||
* Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
|
||||
* Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org>
|
||||
*
|
||||
* 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
|
||||
|
||||
@@ -1,7 +1,7 @@
|
||||
/*
|
||||
* Registration of Cobalt LCD platform device.
|
||||
*
|
||||
* Copyright (C) 2008 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
|
||||
* Copyright (C) 2008 Yoichi Yuasa <yuasa@linux-mips.org>
|
||||
*
|
||||
* 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
|
||||
|
||||
@@ -1,7 +1,7 @@
|
||||
/*
|
||||
* Registration of Cobalt LED platform device.
|
||||
*
|
||||
* Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
|
||||
* Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org>
|
||||
*
|
||||
* 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
|
||||
|
||||
@@ -1,7 +1,7 @@
|
||||
/*
|
||||
* Registration of Cobalt MTD device.
|
||||
*
|
||||
* Copyright (C) 2006 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
|
||||
* Copyright (C) 2006 Yoichi Yuasa <yuasa@linux-mips.org>
|
||||
*
|
||||
* 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
|
||||
|
||||
@@ -1,7 +1,7 @@
|
||||
/*
|
||||
* Registration of Cobalt RTC platform device.
|
||||
*
|
||||
* Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
|
||||
* Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org>
|
||||
*
|
||||
* 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
|
||||
|
||||
@@ -1,7 +1,7 @@
|
||||
/*
|
||||
* Registration of Cobalt UART platform device.
|
||||
*
|
||||
* Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
|
||||
* Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org>
|
||||
*
|
||||
* 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
|
||||
|
||||
Some files were not shown because too many files have changed in this diff Show More
Reference in New Issue
Block a user