mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2025-04-21 12:27:27 +03:00
strip the kernel version suffix from target directories, except for brcm-2.4 (the -2.4 will be included in the board name here). CONFIG_LINUX_<ver>_<board> becomes CONFIG_TARGET_<board>, same for profiles.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8653 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
63
target/linux/amazon/files/arch/mips/amazon/Kconfig
Normal file
63
target/linux/amazon/files/arch/mips/amazon/Kconfig
Normal file
@@ -0,0 +1,63 @@
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||||
# copyright 2007 john crispin <blogic@openwrt.org>
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menu "Amazon built-in"
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config AMAZON_ASC_UART
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bool "Amazon asc uart"
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select SERIAL_CORE
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select SERIAL_CORE_CONSOLE
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default y
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config AMAZON_PCI
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bool "Amazon PCI support"
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default y
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select HW_HAS_PCI
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select PCI
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config AMAZON_NET_SW
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bool "Amazon network"
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default y
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config AMAZON_WDT
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bool "Amazon watchdog timer"
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default y
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config AMAZON_MTD
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bool "Amazon MTD map"
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default y
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choice
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prompt "Flash Size"
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depends on AMAZON_MTD
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config MTD_AMAZON_FLASH_SIZE_2
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bool "2MB"
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config MTD_AMAZON_FLASH_SIZE_4
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bool "4MB"
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config MTD_AMAZON_FLASH_SIZE_8
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bool "8MB"
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config MTD_AMAZON_FLASH_SIZE_16
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bool "16MB"
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endchoice
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choice
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prompt "Bus Width"
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depends on AMAZON_MTD
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config MTD_AMAZON_BUS_WIDTH_8
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bool "8-bit"
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config MTD_AMAZON_BUS_WIDTH_16
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bool "16-bit"
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config MTD_AMAZON_BUS_WIDTH_32
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bool "32-bit"
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endchoice
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endmenu
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9
target/linux/amazon/files/arch/mips/amazon/Makefile
Normal file
9
target/linux/amazon/files/arch/mips/amazon/Makefile
Normal file
@@ -0,0 +1,9 @@
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#
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# Copyright 2007 openwrt.org
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# John Crispin <blogic@openwrt.org>
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#
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# Makefile for Infineon Amazon
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#
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obj-y := dma-core.o interrupt.o prom.o setup.o
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obj-$(CONFIG_PCI) += pci.o
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1455
target/linux/amazon/files/arch/mips/amazon/dma-core.c
Normal file
1455
target/linux/amazon/files/arch/mips/amazon/dma-core.c
Normal file
File diff suppressed because it is too large
Load Diff
69
target/linux/amazon/files/arch/mips/amazon/dma-core.h
Normal file
69
target/linux/amazon/files/arch/mips/amazon/dma-core.h
Normal file
@@ -0,0 +1,69 @@
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||||
#ifndef DMA_CORE_H
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#define DMA_CORE_H
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|
||||
#define AMAZON_DMA_REG32(reg_num) *((volatile u32*)(reg_num))
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#define AMAZON_DMA_CH_STEP 4
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|
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#define COMB_ISR_RX_MASK 0xfe000000
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#define COMB_ISR_TX_MASK 0x01f00000
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|
||||
|
||||
#define DMA_OWN 1
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#define CPU_OWN 0
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#define DMA_MAJOR 250
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//Descriptors
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#define DMA_DESC_OWN_CPU 0x0
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#define DMA_DESC_OWN_DMA 0x80000000
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#define DMA_DESC_CPT_SET 0x40000000
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#define DMA_DESC_SOP_SET 0x20000000
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#define DMA_DESC_EOP_SET 0x10000000
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|
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#define switch_rx_chan_base 0
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#define switch_tx_chan_base 7
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#define switch2_rx_chan_base 2
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#define switch2_tx_chan_base 8
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#define TPE_rx_chan_base 4
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#define TPE_tx_chan_base 9
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#define DPLus2FPI_rx_chan_base 6
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#define DPLus2FPI_tx_chan_base 11
|
||||
|
||||
#define RX_CHAN_NUM 7
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#define TX_CHAN_NUM 5
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#define CHAN_TOTAL_NUM (RX_CHAN_NUM+TX_CHAN_NUM)
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#define DEFAULT_OFFSET 20
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#define DESCRIPTOR_SIZE 8
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typedef struct dev_list{
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struct dma_device_info* dev;
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int weight;
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||||
struct dev_list* prev;
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struct dev_list* next;
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}dev_list;
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||||
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||||
typedef struct channel_info{
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char device_name[16];
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int occupied;
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enum attr_t attr;
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||||
int current_desc;
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int weight;
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||||
int default_weight;
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int desc_num;
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||||
int burst_len;
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int desc_len;
|
||||
int desc_ofst;
|
||||
int packet_size;
|
||||
int offset_from_base;
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||||
int control;
|
||||
void* opt[DEFAULT_OFFSET];
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u8* (*buffer_alloc)(int len,int* offset, void** opt);
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int (*buffer_free)(u8* dataptr,void* opt);
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int (*intr_handler)(struct dma_device_info* info,int status);
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struct dma_device_info* dma_dev;
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}channel_info;
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#endif
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186
target/linux/amazon/files/arch/mips/amazon/interrupt.c
Normal file
186
target/linux/amazon/files/arch/mips/amazon/interrupt.c
Normal file
@@ -0,0 +1,186 @@
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/*
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* Gary Jennejohn (C) 2003 <gj@denx.de>
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* Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org>
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* Copyright (C) 2007 John Crispin <blogic@openwrt.org>
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*
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* This program is free software; you can distribute it and/or modify it
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||||
* under the terms of the GNU General Public License (Version 2) as
|
||||
* published by the Free Software Foundation.
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||||
*
|
||||
* 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.
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||||
*
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* Routines for generic manipulation of the interrupts found on the
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* AMAZON boards.
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*/
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#include <linux/init.h>
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#include <linux/sched.h>
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#include <linux/slab.h>
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#include <linux/interrupt.h>
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#include <linux/kernel_stat.h>
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#include <linux/module.h>
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#include <asm/amazon/amazon.h>
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#include <asm/amazon/irq.h>
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#include <asm/bootinfo.h>
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#include <asm/irq_cpu.h>
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#include <asm/irq.h>
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#include <asm/time.h>
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|
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static void amazon_disable_irq(unsigned int irq_nr)
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{
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int i;
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u32 amazon_ier = AMAZON_ICU_IM0_IER;
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|
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if (irq_nr <= INT_NUM_IM0_IRL11 && irq_nr >= INT_NUM_IM0_IRL0)
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amazon_writel(amazon_readl(amazon_ier) & (~(AMAZON_DMA_H_MASK)), amazon_ier);
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||||
else {
|
||||
irq_nr -= INT_NUM_IRQ0;
|
||||
for (i = 0; i <= 4; i++)
|
||||
{
|
||||
if (irq_nr <= 31)
|
||||
amazon_writel(amazon_readl(amazon_ier) & ~(1 << irq_nr ), amazon_ier);
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amazon_ier += 0x10;
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||||
irq_nr -= 32;
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||||
}
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||||
}
|
||||
}
|
||||
|
||||
static void amazon_mask_and_ack_irq(unsigned int irq_nr)
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||||
{
|
||||
int i;
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||||
u32 amazon_ier = AMAZON_ICU_IM0_IER;
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||||
u32 amazon_isr = AMAZON_ICU_IM0_ISR;
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||||
|
||||
if (irq_nr <= INT_NUM_IM0_IRL11 && irq_nr >= INT_NUM_IM0_IRL0){
|
||||
amazon_writel(amazon_readl(amazon_ier) & (~(AMAZON_DMA_H_MASK)), amazon_ier);
|
||||
amazon_writel(AMAZON_DMA_H_MASK, amazon_isr);
|
||||
} else {
|
||||
irq_nr -= INT_NUM_IRQ0;
|
||||
for (i = 0; i <= 4; i++)
|
||||
{
|
||||
if (irq_nr <= 31){
|
||||
amazon_writel(amazon_readl(amazon_ier) & ~(1 << irq_nr ), amazon_ier);
|
||||
amazon_writel((1 << irq_nr ), amazon_isr);
|
||||
}
|
||||
amazon_ier += 0x10;
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||||
amazon_isr += 0x10;
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||||
irq_nr -= 32;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void amazon_enable_irq(unsigned int irq_nr)
|
||||
{
|
||||
int i;
|
||||
u32 amazon_ier = AMAZON_ICU_IM0_IER;
|
||||
|
||||
if (irq_nr <= INT_NUM_IM0_IRL11 && irq_nr >= INT_NUM_IM0_IRL0)
|
||||
amazon_writel(amazon_readl(amazon_ier) | AMAZON_DMA_H_MASK, amazon_ier);
|
||||
else {
|
||||
irq_nr -= INT_NUM_IRQ0;
|
||||
for (i = 0; i <= 4; i++)
|
||||
{
|
||||
if (irq_nr <= 31)
|
||||
amazon_writel(amazon_readl(amazon_ier) | (1 << irq_nr ), amazon_ier);
|
||||
amazon_ier += 0x10;
|
||||
irq_nr -= 32;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static unsigned int amazon_startup_irq(unsigned int irq)
|
||||
{
|
||||
amazon_enable_irq(irq);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void amazon_end_irq(unsigned int irq)
|
||||
{
|
||||
if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) {
|
||||
amazon_enable_irq(irq);
|
||||
}
|
||||
}
|
||||
|
||||
static struct hw_interrupt_type amazon_irq_type = {
|
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"AMAZON",
|
||||
.startup = amazon_startup_irq,
|
||||
.enable = amazon_enable_irq,
|
||||
.disable = amazon_disable_irq,
|
||||
.unmask = amazon_enable_irq,
|
||||
.ack = amazon_mask_and_ack_irq,
|
||||
.mask = amazon_disable_irq,
|
||||
.mask_ack = amazon_mask_and_ack_irq,
|
||||
.end = amazon_end_irq
|
||||
};
|
||||
|
||||
/* Cascaded interrupts from IM0-4 */
|
||||
static inline void amazon_hw_irqdispatch(u8 line)
|
||||
{
|
||||
u32 irq;
|
||||
|
||||
irq = (amazon_readl(AMAZON_ICU_IM_VEC) >> (line * 5)) & AMAZON_ICU_IM0_VEC_MASK;
|
||||
if (line == 0 && irq <= 11 && irq >= 0) {
|
||||
//DMA fixed to IM0_IRL0
|
||||
irq = 0;
|
||||
}
|
||||
do_IRQ(irq + INT_NUM_IRQ0 + (line * 32));
|
||||
}
|
||||
|
||||
asmlinkage void plat_irq_dispatch(void)
|
||||
{
|
||||
unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM;
|
||||
if (pending & CAUSEF_IP7){
|
||||
do_IRQ(MIPS_CPU_TIMER_IRQ);
|
||||
goto out;
|
||||
} else {
|
||||
unsigned int i;
|
||||
for (i = 0; i <= 4; i++)
|
||||
{
|
||||
if(pending & (CAUSEF_IP2 << i)){
|
||||
amazon_hw_irqdispatch(i);
|
||||
goto out;
|
||||
}
|
||||
}
|
||||
}
|
||||
printk("Spurious IRQ: CAUSE=0x%08x\n", read_c0_status());
|
||||
out:
|
||||
return;
|
||||
}
|
||||
|
||||
static struct irqaction cascade = {
|
||||
.handler = no_action,
|
||||
.flags = SA_INTERRUPT,
|
||||
.name = "cascade",
|
||||
};
|
||||
|
||||
void __init arch_init_irq(void)
|
||||
{
|
||||
int i;
|
||||
|
||||
/* mask all interrupt sources */
|
||||
for(i = 0; i <= 4; i++){
|
||||
amazon_writel(0, AMAZON_ICU_IM0_IER + (i * 0x10));
|
||||
}
|
||||
|
||||
mips_cpu_irq_init();
|
||||
|
||||
/* set up irq cascade */
|
||||
for (i = 2; i <= 6; i++) {
|
||||
setup_irq(i, &cascade);
|
||||
}
|
||||
|
||||
for (i = INT_NUM_IRQ0; i <= INT_NUM_IM4_IRL31; i++) {
|
||||
irq_desc[i].status = IRQ_DISABLED;
|
||||
irq_desc[i].action = 0;
|
||||
irq_desc[i].depth = 1;
|
||||
set_irq_chip(i, &amazon_irq_type);
|
||||
}
|
||||
}
|
||||
293
target/linux/amazon/files/arch/mips/amazon/pci.c
Normal file
293
target/linux/amazon/files/arch/mips/amazon/pci.c
Normal file
@@ -0,0 +1,293 @@
|
||||
/*
|
||||
* Carsten Langgaard, carstenl@mips.com
|
||||
* Copyright (C) 1999, 2000 MIPS Technologies, Inc. All rights reserved.
|
||||
* Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org>
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
/* FIXME: convert nasty volatile register derefs to readl/writel calls */
|
||||
|
||||
#include <linux/types.h>
|
||||
#include <linux/pci.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/delay.h>
|
||||
#include <asm/io.h>
|
||||
#include <asm/paccess.h>
|
||||
#include <asm/amazon/irq.h>
|
||||
#include <asm/amazon/amazon.h>
|
||||
|
||||
#define AMAZON_PCI_REG32( addr ) (*(volatile u32 *)(addr))
|
||||
#ifndef AMAZON_PCI_MEM_BASE
|
||||
#define AMAZON_PCI_MEM_BASE 0xb2000000
|
||||
#endif
|
||||
#define AMAZON_PCI_MEM_SIZE 0x00400000
|
||||
#define AMAZON_PCI_IO_BASE 0xb2400000
|
||||
#define AMAZON_PCI_IO_SIZE 0x00002000
|
||||
|
||||
#define AMAZON_PCI_CFG_BUSNUM_SHF 16
|
||||
#define AMAZON_PCI_CFG_DEVNUM_SHF 11
|
||||
#define AMAZON_PCI_CFG_FUNNUM_SHF 8
|
||||
|
||||
#define PCI_ACCESS_READ 0
|
||||
#define PCI_ACCESS_WRITE 1
|
||||
|
||||
static inline u32 amazon_r32(u32 addr)
|
||||
{
|
||||
u32 *ptr = (u32 *) addr;
|
||||
return __raw_readl(ptr);
|
||||
}
|
||||
|
||||
static inline void amazon_w32(u32 addr, u32 val)
|
||||
{
|
||||
u32 *ptr = (u32 *) addr;
|
||||
__raw_writel(val, ptr);
|
||||
}
|
||||
|
||||
|
||||
static struct resource pci_io_resource = {
|
||||
.name = "io pci IO space",
|
||||
#if 0
|
||||
.start = AMAZON_PCI_IO_BASE,
|
||||
.end = AMAZON_PCI_IO_BASE + AMAZON_PCI_IO_SIZE - 1,
|
||||
#endif
|
||||
.start = 0,
|
||||
.end = AMAZON_PCI_IO_SIZE - 1,
|
||||
.flags = IORESOURCE_IO
|
||||
};
|
||||
|
||||
static struct resource pci_mem_resource = {
|
||||
.name = "ext pci memory space",
|
||||
.start = AMAZON_PCI_MEM_BASE,
|
||||
.end = AMAZON_PCI_MEM_BASE + AMAZON_PCI_MEM_SIZE - 1,
|
||||
.flags = IORESOURCE_MEM
|
||||
};
|
||||
|
||||
static inline u32 amazon_pci_swap(u32 val)
|
||||
{
|
||||
#ifdef CONFIG_AMAZON_PCI_HW_SWAP
|
||||
return swab32(val);
|
||||
#else
|
||||
return val;
|
||||
#endif
|
||||
}
|
||||
|
||||
static int amazon_pci_config_access(unsigned char access_type,
|
||||
struct pci_bus *bus, unsigned int devfn, unsigned int where, u32 *data)
|
||||
{
|
||||
unsigned long flags;
|
||||
u32 pci_addr;
|
||||
u32 val;
|
||||
int ret;
|
||||
|
||||
/* Amazon support slot from 0 to 15 */
|
||||
/* devfn 0 & 0x20 is itself */
|
||||
if ((bus != 0) || (devfn == 0) || (devfn == 0x20))
|
||||
return 1;
|
||||
|
||||
pci_addr=AMAZON_PCI_CFG_BASE |
|
||||
bus->number << AMAZON_PCI_CFG_BUSNUM_SHF |
|
||||
devfn << AMAZON_PCI_CFG_FUNNUM_SHF |
|
||||
(where & ~0x3);
|
||||
|
||||
local_irq_save(flags);
|
||||
if (access_type == PCI_ACCESS_WRITE) {
|
||||
val = amazon_pci_swap(*data);
|
||||
ret = put_dbe(val, (u32 *)pci_addr);
|
||||
} else {
|
||||
ret = get_dbe(val, (u32 *)pci_addr);
|
||||
*data = amazon_pci_swap(val);
|
||||
}
|
||||
|
||||
amazon_w32(PCI_MODE, amazon_r32(PCI_MODE) & (~(1<<PCI_MODE_cfgok_bit)));
|
||||
amazon_w32(STATUS_COMMAND_ADDR, amazon_r32(STATUS_COMMAND_ADDR));
|
||||
amazon_w32(PCI_MODE, amazon_r32(PCI_MODE) | (~(1<<PCI_MODE_cfgok_bit)));
|
||||
local_irq_restore(flags);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
static int amazon_pci_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val)
|
||||
{
|
||||
u32 data = 0;
|
||||
int ret = PCIBIOS_SUCCESSFUL;
|
||||
|
||||
if (amazon_pci_config_access(PCI_ACCESS_READ, bus, devfn, where, &data)) {
|
||||
data = ~0;
|
||||
ret = -1;
|
||||
}
|
||||
|
||||
switch (size) {
|
||||
case 1:
|
||||
*((u8 *) val) = (data >> ((where & 3) << 3)) & 0xff;
|
||||
break;
|
||||
case 2:
|
||||
*((u16 *) val) = (data >> ((where & 3) << 3)) & 0xffff;
|
||||
break;
|
||||
case 4:
|
||||
*val = data;
|
||||
break;
|
||||
default:
|
||||
return -1;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
static int amazon_pci_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val)
|
||||
{
|
||||
if (size != 4) {
|
||||
u32 data;
|
||||
|
||||
if (amazon_pci_config_access(PCI_ACCESS_READ, bus, devfn, where, &data))
|
||||
return -1;
|
||||
|
||||
if (size == 1)
|
||||
val = (data & ~(0xff << ((where & 3) << 3))) | (val << ((where & 3) << 3));
|
||||
else if (size == 2)
|
||||
val = (data & ~(0xffff << ((where & 3) << 3))) | (val << ((where & 3) << 3));
|
||||
else
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (amazon_pci_config_access(PCI_ACCESS_WRITE, bus, devfn, where, &val))
|
||||
return -1;
|
||||
|
||||
return PCIBIOS_SUCCESSFUL;
|
||||
}
|
||||
|
||||
static struct pci_ops amazon_pci_ops = {
|
||||
amazon_pci_read,
|
||||
amazon_pci_write
|
||||
};
|
||||
|
||||
static struct pci_controller amazon_pci_controller = {
|
||||
.pci_ops = &amazon_pci_ops,
|
||||
.mem_resource = &pci_mem_resource,
|
||||
.io_resource = &pci_io_resource
|
||||
};
|
||||
|
||||
int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
|
||||
{
|
||||
switch (slot) {
|
||||
case 13:
|
||||
/* IDSEL = AD29 --> USB Host Controller */
|
||||
return INT_NUM_IM2_IRL15;
|
||||
case 14:
|
||||
/* IDSEL = AD30 --> mini PCI connector */
|
||||
return INT_NUM_IM2_IRL14;
|
||||
default:
|
||||
printk("Warning: no IRQ found for PCI device in slot %d, pin %d\n", slot, pin);
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
int pcibios_plat_dev_init(struct pci_dev *dev)
|
||||
{
|
||||
switch(dev->irq) {
|
||||
case INT_NUM_IM2_IRL15:
|
||||
/*
|
||||
* IDSEL = AD29 --> USB Host Controller
|
||||
* PCI_INTA/B/C--GPIO Port0.2--EXIN3
|
||||
* IN/ALT0:1 ALT1:0
|
||||
* PULL UP
|
||||
*/
|
||||
(*AMAZON_GPIO_P0_DIR) = (*AMAZON_GPIO_P0_DIR) & 0xfffffffb;
|
||||
(*AMAZON_GPIO_P0_ALTSEL0) = (*AMAZON_GPIO_P0_ALTSEL0)| 4;
|
||||
(*AMAZON_GPIO_P0_ALTSEL1) = (*AMAZON_GPIO_P0_ALTSEL1)& 0xfffffffb;
|
||||
(*AMAZON_GPIO_P0_PUDSEL) = (*AMAZON_GPIO_P0_PUDSEL) | 4;
|
||||
(*AMAZON_GPIO_P0_PUDEN) = (*AMAZON_GPIO_P0_PUDEN) | 4;
|
||||
//External Interrupt Node
|
||||
(*AMAZON_ICU_EXTINTCR) = (*AMAZON_ICU_EXTINTCR)|0x6000; /* Low Level triggered */
|
||||
(*AMAZON_ICU_IRNEN) = (*AMAZON_ICU_IRNEN)|0x8;
|
||||
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
|
||||
break;
|
||||
case INT_NUM_IM2_IRL14:
|
||||
/*
|
||||
* IDSEL = AD30 --> mini PCI connector
|
||||
* PCI_INTA--GPIO Port0.1--EXIN2
|
||||
* IN/ALT0:1 ALT1:0
|
||||
* PULL UP
|
||||
*/
|
||||
(*AMAZON_GPIO_P0_DIR) = (*AMAZON_GPIO_P0_DIR) & 0xfffffffd;
|
||||
(*AMAZON_GPIO_P0_ALTSEL0) = (*AMAZON_GPIO_P0_ALTSEL0)| 2;
|
||||
(*AMAZON_GPIO_P0_ALTSEL1) = (*AMAZON_GPIO_P0_ALTSEL1)& 0xfffffffd;
|
||||
(*AMAZON_GPIO_P0_PUDSEL) = (*AMAZON_GPIO_P0_PUDSEL) | 2;
|
||||
(*AMAZON_GPIO_P0_PUDEN) = (*AMAZON_GPIO_P0_PUDEN) | 2;
|
||||
//External Interrupt Node
|
||||
(*AMAZON_ICU_EXTINTCR) = (*AMAZON_ICU_EXTINTCR)|0x600;
|
||||
(*AMAZON_ICU_IRNEN) = (*AMAZON_ICU_IRNEN)|0x4;
|
||||
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
|
||||
break;
|
||||
default:
|
||||
return 1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
int amazon_pci_init(void)
|
||||
{
|
||||
u32 temp_buffer;
|
||||
|
||||
#ifdef CONFIG_AMAZON_PCI_HW_SWAP
|
||||
AMAZON_PCI_REG32(IRM) = AMAZON_PCI_REG32(IRM) | (1<<27) | (1<<28);
|
||||
wmb();
|
||||
#endif
|
||||
|
||||
AMAZON_PCI_REG32(CLOCK_CONTROL) = AMAZON_PCI_REG32(CLOCK_CONTROL) | (1<<ARB_CTRL_bit);
|
||||
amazon_w32(PCI_MODE, amazon_r32(PCI_MODE) & (~(1<<PCI_MODE_cfgok_bit)));
|
||||
|
||||
AMAZON_PCI_REG32(STATUS_COMMAND_ADDR) = AMAZON_PCI_REG32(STATUS_COMMAND_ADDR) | (1<<BUS_MASTER_ENABLE_BIT) |(1<<MEM_SPACE_ENABLE_BIT);
|
||||
|
||||
temp_buffer = AMAZON_PCI_REG32(PCI_ARB_CTRL_STATUS_ADDR);
|
||||
temp_buffer = temp_buffer | (1<< INTERNAL_ARB_ENABLE_BIT);
|
||||
temp_buffer = temp_buffer & ~(3<< PCI_MASTER0_REQ_MASK_2BITS);
|
||||
temp_buffer = temp_buffer & ~(3<< PCI_MASTER0_GNT_MASK_2BITS);
|
||||
|
||||
/* flash */
|
||||
temp_buffer = temp_buffer & ~(3<< PCI_MASTER1_REQ_MASK_2BITS);
|
||||
temp_buffer = temp_buffer & ~(3<< PCI_MASTER1_GNT_MASK_2BITS);
|
||||
|
||||
/* external master */
|
||||
temp_buffer = temp_buffer & ~(3<< PCI_MASTER2_REQ_MASK_2BITS);
|
||||
temp_buffer = temp_buffer & ~(3<< PCI_MASTER2_GNT_MASK_2BITS);
|
||||
|
||||
AMAZON_PCI_REG32(PCI_ARB_CTRL_STATUS_ADDR) = temp_buffer;
|
||||
wmb();
|
||||
|
||||
AMAZON_PCI_REG32(FPI_ADDRESS_MAP_0) = 0xb2000000;
|
||||
AMAZON_PCI_REG32(FPI_ADDRESS_MAP_1) = 0xb2100000;
|
||||
AMAZON_PCI_REG32(FPI_ADDRESS_MAP_2) = 0xb2200000;
|
||||
AMAZON_PCI_REG32(FPI_ADDRESS_MAP_3) = 0xb2300000;
|
||||
AMAZON_PCI_REG32(FPI_ADDRESS_MAP_4) = 0xb2400000;
|
||||
AMAZON_PCI_REG32(FPI_ADDRESS_MAP_5) = 0xb2500000;
|
||||
AMAZON_PCI_REG32(FPI_ADDRESS_MAP_6) = 0xb2600000;
|
||||
AMAZON_PCI_REG32(FPI_ADDRESS_MAP_7) = 0xb2700000;
|
||||
|
||||
AMAZON_PCI_REG32(BAR11_MASK) = 0x0f000008;
|
||||
AMAZON_PCI_REG32(PCI_ADDRESS_MAP_11) = 0x0;
|
||||
AMAZON_PCI_REG32(BAR1_ADDR) = 0x0;
|
||||
amazon_w32(PCI_MODE, amazon_r32(PCI_MODE) | (~(1<<PCI_MODE_cfgok_bit)));
|
||||
//use 8 dw burse length
|
||||
AMAZON_PCI_REG32(FPI_BURST_LENGTH) = 0x303;
|
||||
|
||||
set_io_port_base(ioremap(AMAZON_PCI_IO_BASE, AMAZON_PCI_IO_SIZE));
|
||||
register_pci_controller(&amazon_pci_controller);
|
||||
return 0;
|
||||
}
|
||||
arch_initcall(amazon_pci_init);
|
||||
77
target/linux/amazon/files/arch/mips/amazon/prom.c
Normal file
77
target/linux/amazon/files/arch/mips/amazon/prom.c
Normal file
@@ -0,0 +1,77 @@
|
||||
/*
|
||||
* 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.
|
||||
*
|
||||
* Copyright 2007 John Crispin <blogic@openwrt.org>
|
||||
*/
|
||||
|
||||
#include <linux/init.h>
|
||||
#include <linux/string.h>
|
||||
#include <linux/ctype.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/mm.h>
|
||||
#include <linux/bootmem.h>
|
||||
#include <linux/ioport.h>
|
||||
#include <asm/bootinfo.h>
|
||||
#include <asm/amazon/amazon.h>
|
||||
#include <asm/amazon/irq.h>
|
||||
#include <asm/amazon/model.h>
|
||||
#include <asm/cpu.h>
|
||||
|
||||
void prom_putchar(char c)
|
||||
{
|
||||
/* Wait for FIFO to empty */
|
||||
while ((amazon_readl(AMAZON_ASC_FSTAT) >> 8) != 0x00) ;
|
||||
/* Crude cr/nl handling is better than none */
|
||||
if(c == '\n')
|
||||
amazon_writel('\r', AMAZON_ASC_TBUF);
|
||||
amazon_writel(c, AMAZON_ASC_TBUF);
|
||||
}
|
||||
|
||||
void prom_printf(const char * fmt, ...)
|
||||
{
|
||||
va_list args;
|
||||
int l;
|
||||
char *p, *buf_end;
|
||||
char buf[1024];
|
||||
|
||||
va_start(args, fmt);
|
||||
/* FIXME - hopefully i < sizeof(buf) */
|
||||
l = vsprintf(buf, fmt, args);
|
||||
va_end(args);
|
||||
buf_end = buf + l;
|
||||
|
||||
for (p = buf; p < buf_end; p++)
|
||||
prom_putchar(*p);
|
||||
}
|
||||
|
||||
|
||||
void __init prom_init(void)
|
||||
{
|
||||
mips_machgroup = MACH_GROUP_INFINEON;
|
||||
mips_machtype = MACH_INFINEON_AMAZON;
|
||||
|
||||
strcpy(&(arcs_cmdline[0]), "console=ttyS0,115200 rootfstype=squashfs,jffs2 init=/etc/preinit");
|
||||
|
||||
add_memory_region(0x00000000, 0x1000000, BOOT_MEM_RAM);
|
||||
}
|
||||
|
||||
void prom_free_prom_memory(void)
|
||||
{
|
||||
}
|
||||
|
||||
const char *get_system_type(void)
|
||||
{
|
||||
return BOARD_SYSTEM_TYPE;
|
||||
}
|
||||
186
target/linux/amazon/files/arch/mips/amazon/setup.c
Normal file
186
target/linux/amazon/files/arch/mips/amazon/setup.c
Normal file
@@ -0,0 +1,186 @@
|
||||
/*
|
||||
* Copyright (C) 2004 Peng Liu <peng.liu@infineon.com>
|
||||
* Copyright (C) 2007 John Crispin <blogic@openwrt.org>
|
||||
* Copyright (C) 2007 Felix Fietkau <nbd@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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <linux/init.h>
|
||||
#include <linux/sched.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/delay.h>
|
||||
|
||||
#include <asm/reboot.h>
|
||||
#include <asm/system.h>
|
||||
#include <asm/time.h>
|
||||
#include <asm/cpu.h>
|
||||
#include <asm/bootinfo.h>
|
||||
#include <asm/irq.h>
|
||||
#include <asm/mipsregs.h>
|
||||
#include <asm/amazon/amazon.h>
|
||||
#include <asm/amazon/irq.h>
|
||||
#include <asm/amazon/model.h>
|
||||
|
||||
extern void prom_printf(const char * fmt, ...);
|
||||
static void amazon_reboot_setup(void);
|
||||
|
||||
/* the CPU clock rate - lifted from u-boot */
|
||||
unsigned int amazon_get_cpu_hz(void)
|
||||
{
|
||||
/*-----------------------------------*/
|
||||
/**CGU CPU Clock Reduction Register***/
|
||||
/*-----------------------------------*/
|
||||
switch(amazon_readl(AMAZON_CGU_CPUCRD) & 0x3){
|
||||
case 0:
|
||||
/*divider ration 1/1, 235 MHz clock */
|
||||
return 235000000;
|
||||
case 1:
|
||||
/*divider ration 2/3, 235 MHz clock, clock not accurate, here */
|
||||
return 150000000;
|
||||
case 2:
|
||||
/*divider ration 1/2, 235 MHz clock */
|
||||
return 117500000;
|
||||
default:
|
||||
/*divider ration 1/4, 235 MHz clock */
|
||||
return 58750000;
|
||||
}
|
||||
}
|
||||
|
||||
/* the FPI clock rate - lifted from u-boot */
|
||||
unsigned int amazon_get_fpi_hz(void)
|
||||
{
|
||||
unsigned int clkCPU;
|
||||
clkCPU = amazon_get_cpu_hz();
|
||||
|
||||
/*-------------------------------------*/
|
||||
/***CGU Clock Divider Select Register***/
|
||||
/*-------------------------------------*/
|
||||
switch (amazon_readl(AMAZON_CGU_DIV) & 0x3)
|
||||
{
|
||||
case 1:
|
||||
return clkCPU >> 1;
|
||||
case 2:
|
||||
return clkCPU >> 2;
|
||||
default:
|
||||
return clkCPU;
|
||||
/* '11' is reserved */
|
||||
}
|
||||
}
|
||||
|
||||
/* this doesn't really belong here, but it's a convenient location */
|
||||
unsigned int amazon_get_cpu_ver(void)
|
||||
{
|
||||
static unsigned int cpu_ver = 0;
|
||||
if (cpu_ver == 0)
|
||||
cpu_ver = amazon_readl(AMAZON_MCD_CHIPID) & 0xFFFFF000;
|
||||
return cpu_ver;
|
||||
}
|
||||
|
||||
void amazon_time_init(void)
|
||||
{
|
||||
mips_hpt_frequency = amazon_get_cpu_hz()/2;
|
||||
printk("mips_hpt_frequency:%d\n", mips_hpt_frequency);
|
||||
}
|
||||
|
||||
extern int hr_time_resolution;
|
||||
|
||||
/* ISR GPTU Timer 6 for high resolution timer */
|
||||
static void amazon_timer6_interrupt(int irq, void *dev_id)
|
||||
{
|
||||
timer_interrupt(AMAZON_TIMER6_INT, NULL);
|
||||
}
|
||||
|
||||
static struct irqaction hrt_irqaction = {
|
||||
.handler = amazon_timer6_interrupt,
|
||||
.flags = SA_INTERRUPT,
|
||||
.name = "hrt",
|
||||
};
|
||||
|
||||
/*
|
||||
* THe CPU counter for System timer, set to HZ
|
||||
* GPTU Timer 6 for high resolution timer, set to hr_time_resolution
|
||||
* Also misuse this routine to print out the CPU type and clock.
|
||||
*/
|
||||
void __init plat_timer_setup(struct irqaction *irq)
|
||||
{
|
||||
/* cpu counter for timer interrupts */
|
||||
setup_irq(MIPS_CPU_TIMER_IRQ, irq);
|
||||
|
||||
/* enable the timer in the PMU */
|
||||
amazon_writel(amazon_readl(AMAZON_PMU_PWDCR)| AMAZON_PMU_PWDCR_GPT|AMAZON_PMU_PWDCR_FPI, AMAZON_PMU_PWDCR);
|
||||
|
||||
/* setup the GPTU for timer tick f_fpi == f_gptu*/
|
||||
amazon_writel(0x0100, AMAZON_GPTU_CLC);
|
||||
amazon_writel(0xffff, AMAZON_GPTU_CAPREL);
|
||||
amazon_writel(0x80C0, AMAZON_GPTU_T6CON);
|
||||
}
|
||||
|
||||
void __init plat_mem_setup(void)
|
||||
{
|
||||
u32 chipid = 0;
|
||||
u32 part_no = 0;
|
||||
|
||||
chipid = amazon_readl(AMAZON_MCD_CHIPID);
|
||||
part_no = AMAZON_MCD_CHIPID_PART_NUMBER_GET(chipid);
|
||||
|
||||
if(part_no == AMAZON_CHIPID_YANGTSE){
|
||||
prom_printf("Yangtse Version\n");
|
||||
} else if (part_no == AMAZON_CHIPID_STANDARD) {
|
||||
prom_printf(SYSTEM_MODEL_NAME "\n");
|
||||
} else {
|
||||
prom_printf("unknown version %8x\n",part_no);
|
||||
}
|
||||
|
||||
amazon_reboot_setup();
|
||||
board_time_init = amazon_time_init;
|
||||
|
||||
//stop reset TPE and DFE
|
||||
amazon_writel(0, AMAZON_RST_REQ);
|
||||
//clock
|
||||
amazon_writel(0x3fff, AMAZON_PMU_PWDCR);
|
||||
//reenable trace capability
|
||||
part_no = readl(AMAZON_BCU_ECON);
|
||||
}
|
||||
|
||||
static void amazon_machine_restart(char *command)
|
||||
{
|
||||
local_irq_disable();
|
||||
amazon_writel(AMAZON_RST_ALL, AMAZON_RST_REQ);
|
||||
for (;;) ;
|
||||
}
|
||||
|
||||
static void amazon_machine_halt(void)
|
||||
{
|
||||
printk(KERN_NOTICE "System halted.\n");
|
||||
local_irq_disable();
|
||||
for (;;) ;
|
||||
}
|
||||
|
||||
static void amazon_machine_power_off(void)
|
||||
{
|
||||
printk(KERN_NOTICE "Please turn off the power now.\n");
|
||||
local_irq_disable();
|
||||
for (;;) ;
|
||||
}
|
||||
|
||||
static void amazon_reboot_setup(void)
|
||||
{
|
||||
_machine_restart = amazon_machine_restart;
|
||||
_machine_halt = amazon_machine_halt;
|
||||
pm_power_off = amazon_machine_power_off;
|
||||
}
|
||||
Reference in New Issue
Block a user