📄 linux-2.6.28-sitsang.patch
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diff -purN linux-2.6.28/arch/arm/boot/compressed/head-xscale.S linux-2.6.28-sitsang/arch/arm/boot/compressed/head-xscale.S--- linux-2.6.28/arch/arm/boot/compressed/head-xscale.S 2008-12-25 07:26:37.000000000 +0800+++ linux-2.6.28-sitsang/arch/arm/boot/compressed/head-xscale.S 2008-12-25 21:20:27.000000000 +0800@@ -38,4 +38,6 @@ __XScale_start: str r1, [r0, #0x14] str r1, [r0, #0x18] #endif-+#ifdef CONFIG_ARCH_SITSANG+ mov r7,#225+#endifdiff -purN linux-2.6.28/arch/arm/mach-pxa/include/mach/irqs.h linux-2.6.28-sitsang/arch/arm/mach-pxa/include/mach/irqs.h--- linux-2.6.28/arch/arm/mach-pxa/include/mach/irqs.h 2008-12-25 07:26:37.000000000 +0800+++ linux-2.6.28-sitsang/arch/arm/mach-pxa/include/mach/irqs.h 2008-12-25 21:28:31.000000000 +0800@@ -190,6 +190,8 @@ #define NR_IRQS (IRQ_BOARD_END) #elif defined(CONFIG_MACH_ZYLONITE) #define NR_IRQS (IRQ_BOARD_START + 32)+#elif defined(CONFIG_ARCH_SITSANG)+#define NR_IRQS (IRQ_GPIO(85) + 1) #else #define NR_IRQS (IRQ_BOARD_START) #endif@@ -267,3 +269,32 @@ #endif /* CONFIG_PCI_HOST_ITE8152 */ #endif /* __ASM_MACH_IRQS_H */++#if defined(CONFIG_ARCH_SITSANG)+ +#define SITSANG_IRQ(x) (IRQ_GPIO(80) + 1 + (x))+ +#define SITSANG_CF_CARD_DETECT_IRQ IRQ_GPIO(9)+#define SITSANG_CF_IRQ IRQ_GPIO(7)+#define SITSANG_USB_B_DETECT_IRQ IRQ_GPIO(9)+#define SITSANG_USB_HC_IRQ IRQ_GPIO(7)+#define SITSANG_RS232_DETECT_IRQ IRQ_GPIO(9)+#define SITSANG_SD_DETECT_IRQ IRQ_GPIO(9)+#define SITSANG_EXBD_DETECT_IRQ IRQ_GPIO(9)+#define SITSANG_JOYSTICK_IRQ IRQ_GPIO(4)+#define SITSANG_LAN_IRQ IRQ_GPIO(5)+#define SITSANG_BTUART_DETECT_IRQ IRQ_GPIO(9)+#define SITSANG_TOUCH_SCREEN_IRQ IRQ_GPIO(4)++#define SITSANG_CF_BVD1 IRQ_GPIO(21)+#define SITSANG_CF_BVD2 IRQ_GPIO(19)++#define SITSANG_IRQ(x) (IRQ_GPIO(80) + 1 + (x))+++#define SITSANG_USB_HC1_OC_IRQ SITSANG_IRQ(0)+#define SITSANG_USB_HC2_OC_IRQ SITSANG_IRQ(1)+#define SITSANG_BATT_CHARGED_IRQ SITSANG_IRQ(2)+#define SITSANG_IRQ_COUNT 3+ +#endifdiff -purN linux-2.6.28/arch/arm/mach-pxa/include/mach/sitsang.h linux-2.6.28-sitsang/arch/arm/mach-pxa/include/mach/sitsang.h--- linux-2.6.28/arch/arm/mach-pxa/include/mach/sitsang.h 1970-01-01 08:00:00.000000000 +0800+++ linux-2.6.28-sitsang/arch/arm/mach-pxa/include/mach/sitsang.h 2008-12-25 21:20:27.000000000 +0800@@ -0,0 +1,281 @@+/*+ * linux/include/asm-arm/arch-pxa/sitsang.h+ *+ * Author: Alvin Tang+ * Created: Aug 12, 2002+ * Copyright: Intel China Ltd.+ * + * This program is free software; you can redistribute it and/or modify+ * it under the terms of the GNU General Public License version 2 as+ * published by the Free Software Foundation.+ */+#include <video/lcdctrl.h>+#define SITSANG_FPGA_PHYS PXA_CS2_PHYS +#define SITSANG_FPGA_VIRT (0xf0000000) /* phys 0x08000000 */+#define SITSANG_ETH_BASE (0xf1000000) /* phys 0x04000000 */+#define SITSANG_ISP1161_BASE (0xf4000000) /* phys 0x10000000 */ /*David*/+#define SITSANG_P2V(x) ((x) - SITSANG_FPGA_PHYS + SITSANG_FPGA_VIRT)+#define SITSANG_V2P(x) ((x) - SITSANG_FPGA_VIRT + SITSANG_FPGA_PHYS)++#ifndef __ASSEMBLY__+# define __SITSANG_REG(x) (*((volatile unsigned long *)SITSANG_P2V(x)))+#else+# define __SITSANG_REG(x) SITSANG_P2V(x)+#endif++/* board level registers in the CPLD: (offsets from CPLD_BASE) */++#define SITSANG_PCR_RW_OFFSET 0x00+#define SITSANG_BCR_RW_OFFSET 0x04+#define SITSANG_BSR_RD_OFFSET 0x08+#define SITSANG_BIPR_RW_OFFSET 0x0C+#define SITSANG_BIMR_RW_OFFSET 0x10+#define SITSANG_AXHR_RD_OFFSET 0x14+#define SITSANG_AXLR_RD_OFFSET 0x18+#define SITSANG_AYHR_RD_OFFSET 0x1C+#define SITSANG_JSSR_RD_OFFSET 0x20+#define SITSANG_LLEDR_RW_OFFSET 0x24+#define SITSANG_HLEDR_RW_OFFSET 0x28+#define SITSANG_EXBCR_RW_OFFSET 0x2C+#define SITSANG_EXBSR_RD_OFFSET 0x30+#define SITSANG_EXBIPR_RW_OFFSET 0x34+#define SITSANG_EXBIMR_RW_OFFSET 0x38++/* FPGA register physical addresses */+#define _SITSANG_PCR_RW (SITSANG_FPGA_PHYS + SITSANG_PCR_RW_OFFSET)+#define _SITSANG_BCR_RW (SITSANG_FPGA_PHYS + SITSANG_BCR_RW_OFFSET)+#define _SITSANG_BSR_RD (SITSANG_FPGA_PHYS + SITSANG_BSR_RD_OFFSET)+#define _SITSANG_BIPR_RW (SITSANG_FPGA_PHYS + SITSANG_BIPR_RW_OFFSET)+#define _SITSANG_BIMR_RW (SITSANG_FPGA_PHYS + SITSANG_BIMR_RW_OFFSET)+#define _SITSANG_AXHR_RD (SITSANG_FPGA_PHYS + SITSANG_AXHR_RD_OFFSET)+#define _SITSANG_AXLR_RD (SITSANG_FPGA_PHYS + SITSANG_AXLR_RD_OFFSET)+#define _SITSANG_AYHR_RD (SITSANG_FPGA_PHYS + SITSANG_AYHR_RD_OFFSET)+#define _SITSANG_JSSR_RD (SITSANG_FPGA_PHYS + SITSANG_JSSR_RD_OFFSET)+#define _SITSANG_LLEDR_RW (SITSANG_FPGA_PHYS + SITSANG_LLEDR_RW_OFFSET)+#define _SITSANG_HLEDR_RW (SITSANG_FPGA_PHYS + SITSANG_HLEDR_RW_OFFSET)+#define _SITSANG_EXBCR_RW (SITSANG_FPGA_PHYS + SITSANG_EXBCR_RW_OFFSET)+#define _SITSANG_EXBSR_RD (SITSANG_FPGA_PHYS + SITSANG_EXBSR_RD_OFFSET) +#define _SITSANG_EXBIPR_RW (SITSANG_FPGA_PHYS + SITSANG_EXBIPR_RW_OFFSET)+#define _SITSANG_EXBIMR_RW (SITSANG_FPGA_PHYS + SITSANG_EXBIMR_RW_OFFSET) +/* FPGA register virtual addresses */+#define SITSANG_PCR_RW __SITSANG_REG(_SITSANG_PCR_RW)+#define SITSANG_BCR_RW __SITSANG_REG(_SITSANG_BCR_RW)+#define SITSANG_BSR_RD __SITSANG_REG(_SITSANG_BSR_RD)+#define SITSANG_BIPR_RW __SITSANG_REG(_SITSANG_BIPR_RW)+#define SITSANG_BIMR_RW __SITSANG_REG(_SITSANG_BIMR_RW)+#define SITSANG_AXHR_RD __SITSANG_REG(_SITSANG_AXHR_RD)+#define SITSANG_AXLR_RD __SITSANG_REG(_SITSANG_AXLR_RD)+#define SITSANG_AYHR_RD __SITSANG_REG(_SITSANG_AYHR_RD)+#define SITSANG_JSSR_RD __SITSANG_REG(_SITSANG_JSSR_RD)+#define SITSANG_LLEDR_RW __SITSANG_REG(_SITSANG_LLEDR_RW)+#define SITSANG_HLEDR_RW __SITSANG_REG(_SITSANG_HLEDR_RW)+#define SITSANG_EXBCR_RW __SITSANG_REG(_SITSANG_EXBCR_RW)+#define SITSANG_EXBSR_RD __SITSANG_REG(_SITSANG_EXBSR_RD)+#define SITSANG_EXBIPR_RW __SITSANG_REG(_SITSANG_EXBIPR_RW)+#define SITSANG_EXBIMR_RW __SITSANG_REG(_SITSANG_EXBIMR_RW)+ +/* FPGA register bit definition */+#define SITSANG_PCR_CF_ON (0x1)+#define SITSANG_PCR_USB_HOST_ON (0x1<<1)+#define SITSANG_PCR_RS232_ON (0x1<<2)+#define SITSANG_PCR_BTUART_ON (0x1<<3)+#define SITSANG_PCR_SD_ON (0x1<<4)+#define SITSANG_PCR_ACC_ON (0x1<<5)+#define SITSANG_PCR_LCD_ON (0x1<<6)+#define SITSANG_PCR_LIGHT_ON (0x1<<7)+#define SITSANG_PCR_IRDA_ON (0x1<<8)+#define SITSANG_PCR_AUDIO_ON (0x1<<9)+#define SITSANG_PCR_LAN_ON (0x1<<10)+#define SITSANG_PCR_VCC_CHANGE_ON (0x1<<11)+#define SITSANG_PCR_PER_ON (0x1<<14)+#define SITSANG_PCR_SOFT_PWR_OFF (0x1<<15)++#define SITSANG_BCR_FLASH_BO_WP (0x1)+#define SITSANG_BCR_FLASH_B1_WP (0x1<<1)+#define SITSANG_BCR_BUS_OPEN (0x1<<2)+#define SITSANG_BCR_CF_RESET (0x1<<3)+#define SITSANG_BCR_CF_CSEL (0x1<<4)+#define SITSANG_BCR_USB_NDP (0x1<<5)+#define SITSANG_BCR_USB_HC_RESET (0x1<<6)+#define SITSANG_BCR_USB_HC_WAKE (0x1<<7)+#define SITSANG_BCR_USB_DC_PULL_UP (0x1<<8)+#define SITSANG_BCR_IR_MODE_L (0x1<<9)+#define SITSANG_BCR_IR_MODE_H (0x1<<10)+#define SITSANG_BCR_IR_FSEL (0x1<<11)+#define SITSANG_BCR_LAN_RESET (0x1<<12)+#define SITSANG_BCR_LAN_NEN16 (0x1<<13)+#define SITSANG_BCR_EXBD_USE_ECLK (0x1<<14)+#define SITSANG_BCR_SYS_NRESET (0x1<<15)++#define SITSANG_BSR_CF_VS1 (0x1)+#define SITSANG_BSR_SD_WP (0x1<<1)+#define SITSANG_BSR_BOOTFROM_0 (0x1<<2)+#define SITSANG_BSR_USB_HC_SUSPEND (0x1<<3)+#define SITSANG_BSR_TS_PEN_DOWN (0x1<<4)+#define SITSANG_BSR_EXBD_INSERT (0x1<<5)+#define SITSANG_BSR_USB_DC_INSERT (0x1<<6)+#define SITSANG_BSR_CF_nIRQ_RDY_STATUS (0x1<<7)+#define SITSANG_BSR_SMSC_nINT_STATUS (0x1<<8)+#define SITSANG_BSR_USB_HC1_OC (0x1<<9)+#define SITSANG_BSR_USB_HC2_OC (0x1<<10)+#define SITSANG_BSR_BATT_CHARGING (0x1<<11)+#define SITSANG_BSR_BTUART_INSERT (0x1<<12)+#define SITSANG_BSR_RS232_INSERT (0x1<<13)+#define SITSANG_BSR_CF_CARD_INSERT (0x1<<14)+#define SITSANG_BSR_SD_INSERT (0x1<<15)++#define SITSANG_BIPR_CF_CARD_DETECT_IRQ (0x1)+#define SITSANG_BIPR_CF_IRQ (0x1<<1)+#define SITSANG_BIPR_USB_B_DETECT_IRQ (0x1<<2)+#define SITSANG_BIPR_RESERVED1_IRQ (0x1<<3)+#define SITSANG_BIPR_RESERVED2_IRQ (0x1<<4)+#define SITSANG_BIPR_USB_HC1_OC_IRQ (0x1<<5)+#define SITSANG_BIPR_USB_HC2_OC_IRQ (0x1<<6)+#define SITSANG_BIPR_USB_HC_IRQ (0x1<<7)+#define SITSANG_BIPR_RS232_DETECT_IRQ (0x1<<8)+#define SITSANG_BIPR_BTUART_DETECT_IRQ (0x1<<9)+#define SITSANG_BIPR_EXBD_DETECT_IRQ (0x1<<10)+#define SITSANG_BIPR_SD_DETECT_IRQ (0x1<<11)+#define SITSANG_BIPR_LAN_IRQ (0x1<<12)+#define SITSANG_BIPR_JOYSTICK_IRQ (0x1<<13)+#define SITSANG_BIPR_BATT_CHARGED_IRQ (0x1<<14)+#define SITSANG_BIPR_TOUCH_SCREEN_IRQ (0x1<<15)++ +#define SITSANG_BIMR_CF_CARD_DETECT_IRQ (0x1)+#define SITSANG_BIMR_CF_IRQ (0x1<<1)+#define SITSANG_BIMR_USB_B_DETECT_IRQ (0x1<<2)+#define SITSANG_BIMR_USB_RESERVED1_IRQ (0x1<<3)+#define SITSANG_BIMR_USB_RESERVED2_IRQ (0x1<<4)+#define SITSANG_BIMR_USB_HC1_OC_IRQ (0x1<<5)+#define SITSANG_BIMR_USB_HC2_OC_IRQ (0x1<<6)+#define SITSANG_BIMR_USB_HC_IRQ (0x1<<7)+#define SITSANG_BIMR_RS232_DETECT_IRQ (0x1<<8)+#define SITSANG_BIMR_BTUART_DETECT_IRQ (0x1<<9)+#define SITSANG_BIMR_EXBD_DETECT_IRQ (0x1<<10)+#define SITSANG_BIMR_SD_DETECT_IRQ (0x1<<11)+#define SITSANG_BIMR_LAN_IRQ (0x1<<12)+#define SITSANG_BIMR_JOYSTICK_IRQ (0x1<<13)+#define SITSANG_BIMR_BATT_CHARGED_IRQ (0x1<<14)+#define SITSANG_BIMR_TOUCH_SCREEN_IRQ (0x1<<15)++#define SITSANG_JSSR_LEFT_SW (0x1)+#define SITSANG_JSSR_RIGHT_SW (0x1<<1)+#define SITSANG_JSSR_TOP_SW (0x1<<2)+#define SITSANG_JSSR_BOTTOM_SW (0x1<<3)+#define SITSANG_JSSR_PUSH_SW (0x1<<4)+#define SITSANG_JSSR_SOFT_BTN_0 (0x1<<5)+#define SITSANG_JSSR_SOFT_BTN_1 (0x1<<6)+#define SITSANG_JSSR_SOFT_GPIO_RST_BTN (0x1<<7)+#define SITSANG_JSSR_HEX_SW0 (0x1<<8)+#define SITSANG_JSSR_HEX_SW1 (0x1<<9)+#define SITSANG_JSSR_HEX_SW2 (0x1<<10)+#define SITSANG_JSSR_HEX_SW3 (0x1<<11)+#define SITSANG_JSSR_RESERVED (0x1<<12)+#define SITSANG_JSSR_RESERVED1 (0x1<<13)+#define SITSANG_JSSR_RESERVED2 (0x1<<14)+#define SITSANG_JSSR_RESERVED3 (0x1<<15)++/* LEDS Matrix bit definition */+#define DISPLAY_0 0x0+#define DISPLAY_1 0x10+#define DISPLAY_2 0x100+#define DISPLAY_3 0x1000+#define DISPLAY_4 0x10000+#define DISPLAY_5 0x100000+#define DISPLAY_6 0x1000000+#define DISPLAY_7 0x10000000+#define DISPLAY_8 0x1+#define DISPLAY_9 0x11+#define DISPLAY_A 0x111+#define DISPLAY_B 0x1111+#define DISPLAY_C 0x11111+#define DISPLAY_D 0x111111+#define DISPLAY_E 0x1111111+#define DISPLAY_F 0x11111111++/* Add the bit definition for extend card here */++++/* GPIOs */++#define GPIO_SITSANG_IRQ 0+#define IRQ_GPIO_SITSANG_IRQ IRQ_GPIO0+++/*+ * LED macros+ */+/* We only use the 0:7 bits of LLED for debug here */+#define SITSANG_LEDS_BASE SITSANG_LLEDR_RW++#define SITSANG_D28 0x1+#define SITSANG_D34 0x2+#define SITSANG_D21 0x4+#define SITSANG_D41 0x8+#define SITSANG_D47 0x10+#define SITSANG_D17 0x20+#define SITSANG_D39 0x40+#define SITSANG_D32 0x80+++#define SITSANG_HEARTBEAT_LED SITSANG_D28+#define SITSANG_SYS_BUSY_LED SITSANG_D34+#define SITSANG_HEXLEDS_BASE SITSANG_HLEDR_RW++#define SITSANG_HEARTBEAT_LED_OFF (SITSANG_LEDS_BASE &= ~SITSANG_HEARTBEAT_LED)+#define SITSANG_HEARTBEAT_LED_ON (SITSANG_LEDS_BASE |= SITSANG_HEARTBEAT_LED)+#define SITSANG_SYS_BUSY_LED_ON (SITSANG_LEDS_BASE |= SITSANG_SYS_BUSY_LED)+#define SITSANG_SYS_BUSY_LED_OFF (SITSANG_LEDS_BASE &= ~SITSANG_SYS_BUSY_LED)+++/*+ * use x = SITSANG_D21 + * SITSANG_D41 SITSANG_D47 SITSANG_D17 SITSANG_D39 SITSANG_D32 + * here, please...+ *+ */++#define SITSANG_DISCRETE_LED_ON(x) (SITSANG_LEDS_BASE &= ~(x))+#define SITSANG_DISCRETE_LED_OFF(x) (SITSANG_LEDS_BASE |= (x))+ +#ifndef __ASSEMBLY__++#endif++#define SITSANG_BUMP_COUNTER (SITSANG_HEXLEDS_BASE = hexled_val++)+#define SITSANG_DEC_COUNTER (SITSANG_HEXLEDS_BASE = hexled_val--)++#define LCD_PIXCLOCK 40000+#define LCD_BPP 16+#define LCD_BPP_BITS 0x4 +#define LCD_XRES 640+#define LCD_YRES 480+#define LCD_HORIZONTAL_SYNC_PULSE_WIDTH 1 +#define LCD_VERTICAL_SYNC_PULSE_WIDTH 2+#define LCD_BEGIN_OF_LINE_WAIT_COUNT 2+#define LCD_BEGIN_FRAME_WAIT_COUNT 2+#define LCD_END_OF_LINE_WAIT_COUNT 96+#define LCD_END_OF_FRAME_WAIT_COUNT 208+#define LCD_SYNC (FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT)++#define LCD_LCCR0 (LCCR0_LDM | LCCR0_SFM | LCCR0_IUM | LCCR0_EFM | LCCR0_PAS | LCCR0_QDM | LCCR0_BM | LCCR0_OUM)+#define LCD_LCCR3 (LCCR3_VSP | LCCR3_HSP | LCCR3_PCP | LCCR3_Bpp(LCD_BPP_BITS))++//#define CKEN16_LCD (1<<16)+#define CKEN16_LCD (1 << 16) /* LCD Unit Clock Enable */+#define CKEN14_I2C (1 << 14) /* I2C Unit Clock Enable */+#define CKEN13_FICP (1 << 13) /* FICP Unit Clock Enable */+#define CKEN12_MMC (1 << 12) /* MMC Unit Clock Enable */+#define CKEN11_USB (1 << 11) /* USB Unit Clock Enable */+#define CKEN8_I2S (1 << 8) /* I2S Unit Clock Enable */+#define CKEN7_BTUART (1 << 7) /* BTUART Unit Clock Enable */+#define CKEN6_FFUART (1 << 6) /* FFUART Unit Clock Enable */+#define CKEN5_STUART (1 << 5) /* STUART Unit Clock Enable */+#define CKEN3_SSP (1 << 3) /* SSP Unit Clock Enable */+#define CKEN2_AC97 (1 << 2) /* AC97 Unit Clock Enable */+#define CKEN1_PWM1 (1 << 1) /* PWM1 Clock Enable */+#define CKEN0_PWM0 (1 << 0) /* PWM0 Clock Enable */++diff -purN linux-2.6.28/arch/arm/mach-pxa/Kconfig linux-2.6.28-sitsang/arch/arm/mach-pxa/Kconfig--- linux-2.6.28/arch/arm/mach-pxa/Kconfig 2008-12-25 07:26:37.000000000 +0800+++ linux-2.6.28-sitsang/arch/arm/mach-pxa/Kconfig 2008-12-25 21:25:56.000000000 +0800@@ -40,6 +40,9 @@ config ARCH_LUBBOCK select SA1111 select PXA_HAVE_BOARD_IRQS +config ARCH_SITSANG+ bool "Intel SITSANG"+ select PXA25x config MACH_LOGICPD_PXA270 bool "LogicPD PXA270 Card Engine Development Platform" select PXA27xdiff -purN linux-2.6.28/arch/arm/mach-pxa/leds.c linux-2.6.28-sitsang/arch/arm/mach-pxa/leds.c--- linux-2.6.28/arch/arm/mach-pxa/leds.c 2008-12-25 07:26:37.000000000 +0800+++ linux-2.6.28-sitsang/arch/arm/mach-pxa/leds.c 2008-12-25 21:30:02.000000000 +0800@@ -25,6 +25,8 @@ pxa_leds_init(void) if (machine_is_pxa_idp()) leds_event = idp_leds_event; + if (machine_is_sitsang())+ leds_event = sitsang_leds_event; leds_event(led_start); return 0; }diff -purN linux-2.6.28/arch/arm/mach-pxa/leds.h linux-2.6.28-sitsang/arch/arm/mach-pxa/leds.h--- linux-2.6.28/arch/arm/mach-pxa/leds.h 2008-12-25 07:26:37.000000000 +0800+++ linux-2.6.28-sitsang/arch/arm/mach-pxa/leds.h 2008-12-25 21:20:27.000000000 +0800@@ -11,3 +11,4 @@ extern void idp_leds_event(led_event_t e extern void lubbock_leds_event(led_event_t evt); extern void mainstone_leds_event(led_event_t evt); extern void trizeps4_leds_event(led_event_t evt);+extern void sitsang_leds_event(led_event_t evt);diff -purN linux-2.6.28/arch/arm/mach-pxa/leds-sitsang.c linux-2.6.28-sitsang/arch/arm/mach-pxa/leds-sitsang.c--- linux-2.6.28/arch/arm/mach-pxa/leds-sitsang.c 1970-01-01 08:00:00.000000000 +0800+++ linux-2.6.28-sitsang/arch/arm/mach-pxa/leds-sitsang.c 2008-12-25 21:20:27.000000000 +0800@@ -0,0 +1,139 @@+/*+ * linux/arch/arm/mach-pxa/leds-sitsang.c+ *+ * Copyright (C) 2000 John Dorsey <john+@cs.cmu.edu>+ *+ * Copyright (c) 2001 Jeff Sutherland <jeffs@accelent.com>+ *+ * Copyright (c) 2002 Alvin Tang <alvin.tang@intel.com>+ * + * Original (ledsfootbridge.c) by Russell King+ *+ * See leds.h for bit definitions. The first version defines D28 on the+ * Sitsang dev board as the heartbeat, and D34 as the Sys_busy led.+ * There's plenty more if you're interested in adding them :)+ */+++#include <linux/init.h>++#include <mach/hardware.h>+#include <asm/leds.h>+#include <asm/system.h>++#include <mach/sitsang.h>+#include <mach/pxa-regs.h>++#include "leds.h"+++#define LED_STATE_ENABLED 1+#define LED_STATE_CLAIMED 2++static unsigned int led_state;+static unsigned int hw_led_state;++void sitsang_leds_event(led_event_t evt)+{+ unsigned long flags;++ local_irq_save(flags);++ switch (evt) {+ case led_start:+ hw_led_state = SITSANG_HEARTBEAT_LED | SITSANG_SYS_BUSY_LED;+ led_state = LED_STATE_ENABLED;+ break;++ case led_stop:+ led_state &= ~LED_STATE_ENABLED;+ break;++ case led_claim:+ led_state |= LED_STATE_CLAIMED;+ hw_led_state = SITSANG_HEARTBEAT_LED | SITSANG_SYS_BUSY_LED;+ break;++ case led_release:+ led_state &= ~LED_STATE_CLAIMED;+ hw_led_state = SITSANG_HEARTBEAT_LED | SITSANG_SYS_BUSY_LED;+ break;++#ifdef CONFIG_LEDS_TIMER+ case led_timer:+ if (!(led_state & LED_STATE_CLAIMED))+ hw_led_state ^= SITSANG_HEARTBEAT_LED;+ break;+#endif++#ifdef CONFIG_LEDS_CPU+ case led_idle_start:+ if (!(led_state & LED_STATE_CLAIMED))+ hw_led_state |= SITSANG_SYS_BUSY_LED;+ break;++ case led_idle_end:+ if (!(led_state & LED_STATE_CLAIMED))+ hw_led_state &= ~SITSANG_SYS_BUSY_LED;+ break;+#endif++ case led_halted:+ break;++ case led_green_on:+ if (led_state & LED_STATE_CLAIMED)+ hw_led_state &= ~SITSANG_HEARTBEAT_LED;+ break;++ case led_green_off:+ if (led_state & LED_STATE_CLAIMED)+ hw_led_state |= SITSANG_HEARTBEAT_LED;⌨️ 快捷键说明
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