驱动入门培训_唐宗平_20100513.ppt

驱动入门培训 唐宗平 2010-05-13 目录 MTK平台框架 BOOT-UP 驱动设备管理 Flash and EMI configure Audio interface BMT Charging Parameter USB Touch Panel MSDC 常用设备驱动调试 LCD Camera Keypad XX_BB( GPIO\PWM\ ADC\ EINT\ Aux Task ) HQ_DRV MTK主芯片概况 MT6205 / MT6218/MT6217 / MT6223系列低端平台 MT6219 /MT6226/26M / MT6227 / MT6228 / MT6225/MT6253 系列带ISP处理的平台 MT6229 / MT6230 / MT6235 / MT6238 / MT6239 EDGE系列平台 MT6516 智能手机平台 MT6268 WCDMA平台 MT6908 TD-HSPA+ MT6236 MTK平台框架 GPRS Video Phone 框图（一） GPRS Video Phone 框图（二） Only camera module (NO BE IC) needs 软件框架 MTK平台框架 BOOT-UP 驱动设备管理 常见驱动调试 Two type of booting NOR-Flash XIP (eXecute In Place) NAND-Flash Booting A booting feature on platform without NOR-flash (XIP) Code storage Data storage (both system and mass data) Nand Flash booting SYSTEM BOOT-UP (1) OS BOOT UP(2) Initialization(3) MTK平台框架 BOOT-UP 驱动设备管理 Flash and EMI configure Audio interface BMT Charging Parameter USB Touch Panel MSDC 常用设备驱动调试 LCD Camera Keypad XX_BB( GPIO\PWM\ ADC\ EINT\ Aux Task ) HQ_DRV 1.Flash and EMI configure NORNAND FLASH Flash MCP Configuration Flash EMI settings auto-gen Flash兼容 NAND NOR Flash Flash Configuration NOR flash EMI Auto-generation Procedure of Auto-Generation FLASH 兼容 Flash兼容 NOR_DeviceID_E CheckDeviceID (void) { NOR_DeviceID_E flash_type; kal_uint16 device_code =0; #ifdef __HQ_FLASH_COMPATIBLE_INTEL_SERIES__ kal_uint16 *address = (kal_uint16 *)INT_RetrieveFlashBaseAddr(); //read Intel series flash id //!!!!!Cannot add trace during id reading *(( volatile kal_uint16 *)(address)) = INTEL_CMD_RD_ARRAY; //*( volatile kal_uint16 *)(INT_RetrieveFlashBaseAddr()) = INTEL_CMD_CLR_SR; *((volatile kal_uint16 *)(address))= INTEL_CMD_RD_ID; m_manufacture_code = *((volatile kal_uint16 *)(address)); d_device_code = *((volatile kal_uint16 *)(address+1)); *((volatile kal_uint16 *)(address) )= INTEL_CMD_RD_ARRAY; if(m_manufacture_code == 0x20) return NOR_NUMONYX_M36L0T7050T3; #endif