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Diffstat (limited to 'target/linux/realtek/files/arch/rlx/bsp/irq.c')
-rw-r--r--target/linux/realtek/files/arch/rlx/bsp/irq.c380
1 files changed, 0 insertions, 380 deletions
diff --git a/target/linux/realtek/files/arch/rlx/bsp/irq.c b/target/linux/realtek/files/arch/rlx/bsp/irq.c
deleted file mode 100644
index 489a72386..000000000
--- a/target/linux/realtek/files/arch/rlx/bsp/irq.c
+++ /dev/null
@@ -1,380 +0,0 @@
-/*
- * 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.
- *
- * Copyright (C) 2013, Artur Artamonov <artur@advem.lv>
- */
-
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/kernel_stat.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/timex.h>
-#include <linux/slab.h>
-#include <linux/random.h>
-#include <linux/irq.h>
-
-#include <asm/bitops.h>
-#include <asm/bootinfo.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/irq_cpu.h>
-#include <asm/irq_vec.h>
-#include <asm/system.h>
-
-#include <asm/rlxregs.h>
-#include <asm/rlxbsp.h>
-#include <net/rtl/rtl_types.h>
-
-#include "bspchip.h"
-#include "rlxhack.h"
-
-static struct irqaction irq_cascade = {
- .handler = no_action,
- .mask = CPU_MASK_NONE,
- .name = "cascade",
-};
-
-static void bsp_ictl_irq_mask(unsigned int irq)
-{
- REG32(BSP_GIMR) &= ~(1 << (irq - BSP_IRQ_ICTL_BASE));
-}
-
-static void bsp_ictl_irq_unmask(unsigned int irq)
-{
- REG32(BSP_GIMR) |= (1 << (irq - BSP_IRQ_ICTL_BASE));
-}
-
-static struct irq_chip bsp_ictl_irq = {
- .typename = "ICTL",
- .ack = bsp_ictl_irq_mask,
- .mask = bsp_ictl_irq_mask,
- .mask_ack = bsp_ictl_irq_mask,
- .unmask = bsp_ictl_irq_unmask,
-};
-
-static void bsp_ictl_irq_dispatch(void)
-{
- volatile unsigned int pending;
-
- pending = REG32(BSP_GIMR) & REG32(BSP_GISR);
-
- if (pending & BSP_UART0_IP)
- do_IRQ(BSP_UART0_IRQ);
-#if defined(CONFIG_RTL_819XD)
- else if (pending & BSP_UART1_IP)
- do_IRQ(BSP_UART1_IRQ);
-#endif
- else if (pending & BSP_TC1_IP)
- do_IRQ(BSP_TC1_IRQ);
-#if defined(CONFIG_RTL_819XD)
- #if CONFIG_RTL_USB_OTG //wei add
- #if (BSP_OTG_IRQ >= BSP_IRQ_ICTL_BASE) // double check otg is ictl not lopi
- else if (pending & BSP_OTG_IP)
- do_IRQ(BSP_OTG_IRQ);
- #endif
- #endif
- #if defined( CONFIG_RTK_VOIP ) || defined(CONFIG_PCIE_POWER_SAVING)
- else if (pending & BSP_GPIO_ABCD_IP)
- do_IRQ(BSP_GPIO_ABCD_IRQ);
- else if (pending & BSP_GPIO_EFGH_IP)
- do_IRQ(BSP_GPIO_EFGH_IRQ);
-
- else if (pending & BSP_GPIO_ABCD_IP)
- do_IRQ(BSP_GPIO_ABCD_IRQ);
- #endif
-#endif
- else {
- REG32(BSP_GIMR) &= (~pending);
-#if defined(CONFIG_RTL_819XD)
- REG32(BSP_GISR) = REG32(BSP_GISR);
-#endif
- printk("Unknown Interrupt0:%x\n", pending);
- #if defined(CONFIG_RTK_VOIP) || defined(CONFIG_RTL_819X)
- spurious_interrupt(SPURIOS_INT_CASCADE);
- #else
- spurious_interrupt();
- #endif
- }
-}
-
-void bsp_irq_dispatch(void)
-{
- volatile unsigned int pending;
- pending = read_c0_cause() & read_c0_status();
-
- if (pending & CAUSEF_IP2)
- bsp_ictl_irq_dispatch();
- else if (pending & CAUSEF_IP0)
- do_IRQ(0);
- else if (pending & CAUSEF_IP1)
- do_IRQ(1);
- else {
-#if defined(CONFIG_RTK_VOIP) || defined(CONFIG_RTL_819X)
- spurious_interrupt(SPURIOS_INT_CPU);
-#else
- spurious_interrupt();
-#endif
- }
-}
-
-static void __init bsp_ictl_irq_init(unsigned int irq_base)
-{
- int i;
-
- for (i=0; i < BSP_IRQ_ICTL_NUM; i++)
- set_irq_chip_and_handler(irq_base + i, &bsp_ictl_irq, handle_level_irq);
-
- setup_irq(BSP_ICTL_IRQ, &irq_cascade);
-}
-
-#ifdef CONFIG_RTL_8198_NFBI_BOARD
-extern void (*flush_icache_range)(unsigned long start, unsigned long end);
-
-int get_dram_type(void)
-{
- // read hw_strap register
- if (REG32(0xb8000008) & 0x2) //bit 1
- return 1; //DDR
- else
- return 0; //SDR
-}
-
-void setup_reboot_addr(unsigned long addr)
-{
- unsigned int dramcode[20]={
- 0x3c080f0a, // lui t0,0f0a
- 0x3508dfff, // ori t0,t0,0xdfff
- 0x3c09b800, // lui t1,0xb800
- 0x35290048, // ori t1,t1,0x0048
- 0xad280000, // sw t0,0(t1)
-
- 0x3c0801FF, // lui t0,01FF
- 0x3508FF8A, // ori t0,t0,0xFF8A
- 0x3c09b800, // lui t1,0xb800
- 0x35290010, // ori t1,t1,0x0010
- 0xad280000, // sw t0,0(t1)
-
- 0x3c086cea, // lui t0,0x6cea
- 0x35080a80, // ori t0,t0,0x0a80
- 0x3c09b800, // lui t1,0xb800
- 0x35291008, // ori t1,t1,0x1008
- 0xad280000, // sw t0,0(t1)
-
- 0x3c085208, // lui t0,0x5208 //8MB DRAM
- 0x35080000, // ori t0,t0,0x0000
- 0x3c09b800, // lui t1,0xb800
- 0x35291004, // ori t1,t1,0x1004
- 0xad280000, // sw t0,0(t1)
- };
- unsigned int jmpcode[4]={
- 0x3c1aa070, // lui k0,0xa070
- 0x375a0000, // ori k0,k0,0x0000
- 0x03400008, // jr k0
- 0x0 // nop
- };
- int i, offset;
-
- // setting DCR and DTR register
- dramcode[10]=(dramcode[10] &0xffff0000) | 0xffff;
- dramcode[11]=(dramcode[11] &0xffff0000) | 0x05c0;
- //if (check_ddr_tmp_file())
- if (get_dram_type()) { //DDR
- dramcode[15]=(dramcode[15] &0xffff0000) | 0x5448; //DDR, 32M
- //8198:1.set bigger current for DDR
- dramcode[0]=(dramcode[0] &0xffff0000) | 0x0b0a;
- // TX RX delay
- dramcode[5]=(dramcode[5] &0xffff0000) | 0x01ff;
- dramcode[6]=(dramcode[6] &0xffff0000) | 0xfc70;
- }
- else {
- dramcode[15]=(dramcode[15] &0xffff0000) | 0x5208; //SDR, 8M
- //8198:1.set bigger current for DDR
- dramcode[0]=(dramcode[0] &0xffff0000) | 0x0f0a;
- // TX RX delay
- dramcode[5]=(dramcode[5] &0xffff0000) | 0x01ff;
- dramcode[6]=(dramcode[6] &0xffff0000) | 0xff8a;
- }
- dramcode[16]=(dramcode[16] &0xffff0000) | 0x0000;
-
- for (i=0, offset=0; i<20; i++, offset++)
- *(volatile u32 *)(KSEG0 + 0x8000 + offset*4) = dramcode[i];
-
- // set jump command
- jmpcode[0] = (jmpcode[0]&0xffff0000) | ((addr>>16)&0xffff);
- jmpcode[1] = (jmpcode[1]&0xffff0000) | (addr&0xffff);
-
- for (i=0; i<4; i++, offset++)
- *(volatile u32 *)(KSEG0 + 0x8000 + offset*4) = jmpcode[i];
-
- flush_icache_range(KSEG0+0x8000, KSEG0 + offset*4);
-}
-#endif //CONFIG_RTL_8198_NFBI_BOARD
-
-
-void __init bsp_irq_init(void)
-{
- //unsigned int status;
- //volatile unsigned int status;
- /* disable ict interrupt */
- REG32(BSP_GIMR) = 0;
-
- /* initialize IRQ action handlers */
- rlx_cpu_irq_init(BSP_IRQ_CPU_BASE);
- rlx_vec_irq_init(BSP_IRQ_LOPI_BASE);
- bsp_ictl_irq_init(BSP_IRQ_ICTL_BASE);
-
- /* Set IRR */
- REG32(BSP_IRR0) = BSP_IRR0_SETTING;
- REG32(BSP_IRR1) = BSP_IRR1_SETTING;
- REG32(BSP_IRR2) = BSP_IRR2_SETTING;
- REG32(BSP_IRR3) = BSP_IRR3_SETTING;
-
- //status = read_c0_status();
- //status = (status&(~ST0_IM))|(CAUSEF_IP2|CAUSEF_IP3|CAUSEF_IP4|CAUSEF_IP5|CAUSEF_IP6);
- //write_c0_status(status);
-#ifdef CONFIG_USB
- REG32(BSP_GIMR) |= BSP_USB_H_IE;
-#endif
-
-#ifdef CONFIG_DWC_OTG //wei add
- REG32(BSP_GIMR) |= BSP_OTG_IE; //mac
-#endif
-}
-
-#if defined(CONFIG_ARCH_SUSPEND_POSSIBLE)//michaelxxx
- #define CONFIG_RTL819X_SUSPEND_CHECK_INTERRUPT
- #ifdef CONFIG_RTL819X_SUSPEND_CHECK_INTERRUPT
- #include <linux/proc_fs.h>
- #include <linux/kernel_stat.h>
- #include <asm/uaccess.h>
- //#define INT_HIGH_WATER_MARK 1850 //for window size = 1, based on LAN->WAN test result
- //#define INT_LOW_WATER_MARK 1150
- //#define INT_HIGH_WATER_MARK 9190 //for window size = 5, based on LAN->WAN test result
- //#define INT_LOW_WATER_MARK 5500
- #define INT_HIGH_WATER_MARK 3200 //for window size = 5, based on WLAN->WAN test result
- #define INT_LOW_WATER_MARK 2200
- #define INT_WINDOW_SIZE_MAX 10
- static int suspend_check_enable = 1;
- static int suspend_check_high_water_mark = INT_HIGH_WATER_MARK;
- static int suspend_check_low_water_mark = INT_LOW_WATER_MARK;
- static int suspend_check_win_size = 5;
- static struct timer_list suspend_check_timer;
- static int index=0, prev_count=0;
- static int eth_int_count[INT_WINDOW_SIZE_MAX];
- static int wlan_int_count[INT_WINDOW_SIZE_MAX];
- int cpu_can_suspend = 1;
- int cpu_can_suspend_check_init = 0;
-
- static int read_proc_suspend_check(char *page, char **start, off_t off,
- int count, int *eof, void *data)
- {
- int len;
-
- len = sprintf(page, "enable=%d, winsize=%d(%d), high=%d, low=%d, suspend=%d, prev_count=%d\n",
- suspend_check_enable, suspend_check_win_size, INT_WINDOW_SIZE_MAX,
- suspend_check_high_water_mark, suspend_check_low_water_mark, cpu_can_suspend, prev_count);
-
- if (len <= off+count)
- *eof = 1;
- *start = page + off;
- len -= off;
- if (len > count)
- len = count;
- if (len < 0)
- len = 0;
- return len;
- }
-
- static int write_proc_suspend_check(struct file *file, const char *buffer,
- unsigned long count, void *data)
- {
- char tmp[128];
-
- if (buffer && !copy_from_user(tmp, buffer, 128)) {
- sscanf(tmp, "%d %d %d %d %d",
- &suspend_check_enable, &suspend_check_win_size,
- &suspend_check_high_water_mark, &suspend_check_low_water_mark, &cpu_can_suspend);
- if (suspend_check_win_size >= INT_WINDOW_SIZE_MAX)
- suspend_check_win_size = INT_WINDOW_SIZE_MAX - 1;
- if (suspend_check_enable) {
- mod_timer(&suspend_check_timer, jiffies + 100);
- }
- else {
- del_timer(&suspend_check_timer);
- }
- }
- return count;
- }
-
- static void suspend_check_timer_fn(unsigned long arg)
- {
- int count, j;
-
- index++;
- if (INT_WINDOW_SIZE_MAX <= index)
- index = 0;
- eth_int_count[index] = kstat_irqs(BSP_SWCORE_IRQ);
- wlan_int_count[index] = kstat_irqs(BSP_PCIE_IRQ);
- j = index - suspend_check_win_size;
- if (j < 0)
- j += INT_WINDOW_SIZE_MAX;
- count = (eth_int_count[index] - eth_int_count[j]) +
- (wlan_int_count[index]- wlan_int_count[j]); //unit: number of interrupt occurred
-
- prev_count = count;
-
- if (cpu_can_suspend) {
- if (count > suspend_check_high_water_mark) {
- cpu_can_suspend = 0;
- //printk("\n<<<RTL8196C LEAVE SLEEP>>>\n"); /* for Debug Only*/
- }
- }
- else {
- if (count < suspend_check_low_water_mark) {
- cpu_can_suspend = 1;
- //printk("\n<<<RTL8196C ENTER SLEEP>>>\n"); /* for Debug Only*/
- }
- }
-#if 0 /* for Debug Only*/
- printk("###index=%d, count=%d (%d+%d) suspend=%d###\n",index, count,
- eth_int_count[index] - eth_int_count[j]),
- (wlan_int_count[index]- wlan_int_count[j]),
- cpu_can_suspend);
-#endif
- mod_timer(&suspend_check_timer, jiffies + 100);
- }
-
- void suspend_check_interrupt_init(void)
- {
- struct proc_dir_entry *res;
- int i;
-
- res = create_proc_entry("suspend_check", 0, NULL);
- if (res) {
- res->read_proc = read_proc_suspend_check;
- res->write_proc = write_proc_suspend_check;
- }
- else {
- printk("unable to create /proc/suspend_check\n");
- }
-
- for (i=0; i<INT_WINDOW_SIZE_MAX; i++) {
- wlan_int_count[i] = 0;
- eth_int_count[i] = 0;
- }
- init_timer(&suspend_check_timer);
- suspend_check_timer.data = 0;
- suspend_check_timer.function = suspend_check_timer_fn;
- suspend_check_timer.expires = jiffies + 100; /* in jiffies */
- add_timer(&suspend_check_timer);
- }
-#endif // CONFIG_RTL819X_SUSPEND_CHECK_INTERRUPT
-#endif //CONFIG_ARCH_SUSPEND_POSSIBLE
-
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