From e6d87036412b952cb083eff2dc716aee97a771f2 Mon Sep 17 00:00:00 2001 From: Roman Yeryomin Date: Fri, 17 May 2013 20:40:24 +0300 Subject: Move to rsdk 3.2.4. Compiles cleanly. Signed-off-by: Roman Yeryomin --- target/linux/realtek/files/arch/rlx/bsp/irq.c | 265 -------------------------- 1 file changed, 265 deletions(-) delete mode 100644 target/linux/realtek/files/arch/rlx/bsp/irq.c (limited to 'target/linux/realtek/files/arch/rlx/bsp/irq.c') 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 80d5a3b71..000000000 --- a/target/linux/realtek/files/arch/rlx/bsp/irq.c +++ /dev/null @@ -1,265 +0,0 @@ -/* - * Realtek Semiconductor Corp. - * - * arch/rlx/rlxocp0/irq.c - * Interrupt and exception initialization for RLX OCP Platform - * - * Tony Wu (tonywu@realtek.com.tw) - * Nov. 7, 2006 - */ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include "bspchip.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); - else if (pending & BSP_TC1_IP) - do_IRQ(BSP_TC1_IRQ); - else if (pending & BSP_GPIO_ABCD_IP) - do_IRQ(BSP_GPIO_ABCD_IRQ); - else { - REG32(BSP_GIMR) &= (~pending); - REG32(BSP_GISR) = REG32(BSP_GISR); - 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); -} - -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); -} - -#if defined(CONFIG_RTL_8196C) && defined(CONFIG_ARCH_SUSPEND_POSSIBLE)//michaelxxx - #define CONFIG_RTL819X_SUSPEND_CHECK_INTERRUPT - - #ifdef CONFIG_RTL819X_SUSPEND_CHECK_INTERRUPT - #include - #include - #include - //#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; - 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\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); - - 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", - &suspend_check_enable, &suspend_check_win_size, - &suspend_check_high_water_mark, &suspend_check_low_water_mark); - 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 - - if (cpu_can_suspend) { - if (count > suspend_check_high_water_mark) { - cpu_can_suspend = 0; - //printk("\n<<>>\n"); /* for Debug Only*/ - } - } - else { - if (count < suspend_check_low_water_mark) { - cpu_can_suspend = 1; - //printk("\n<<>>\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