#ifndef __GENERATED_SDRAM_PHY_H #define __GENERATED_SDRAM_PHY_H #include #include #include #define DFII_NPHASES 1 static void cdelay(int i); __attribute__((unused)) static void command_p0(int cmd) { sdram_dfii_pi0_command_write(cmd); sdram_dfii_pi0_command_issue_write(1); } #define sdram_dfii_pird_address_write(X) sdram_dfii_pi0_address_write(X) #define sdram_dfii_piwr_address_write(X) sdram_dfii_pi0_address_write(X) #define sdram_dfii_pird_baddress_write(X) sdram_dfii_pi0_baddress_write(X) #define sdram_dfii_piwr_baddress_write(X) sdram_dfii_pi0_baddress_write(X) #define command_prd(X) command_p0(X) #define command_pwr(X) command_p0(X) #define DFII_PIX_DATA_SIZE CSR_SDRAM_DFII_PI0_WRDATA_SIZE const unsigned long sdram_dfii_pix_wrdata_addr[1] = { CSR_SDRAM_DFII_PI0_WRDATA_ADDR }; const unsigned long sdram_dfii_pix_rddata_addr[1] = { CSR_SDRAM_DFII_PI0_RDDATA_ADDR }; static void init_sequence(void) { /* Bring CKE high */ sdram_dfii_pi0_address_write(0x0); sdram_dfii_pi0_baddress_write(0); sdram_dfii_control_write(DFII_CONTROL_CKE|DFII_CONTROL_ODT|DFII_CONTROL_RESET_N); cdelay(20000); /* Precharge All */ sdram_dfii_pi0_address_write(0x400); sdram_dfii_pi0_baddress_write(0); command_p0(DFII_COMMAND_RAS|DFII_COMMAND_WE|DFII_COMMAND_CS); /* Load Mode Register / Reset DLL, CL=2, BL=1 */ sdram_dfii_pi0_address_write(0x120); sdram_dfii_pi0_baddress_write(0); command_p0(DFII_COMMAND_RAS|DFII_COMMAND_CAS|DFII_COMMAND_WE|DFII_COMMAND_CS); cdelay(200); /* Precharge All */ sdram_dfii_pi0_address_write(0x400); sdram_dfii_pi0_baddress_write(0); command_p0(DFII_COMMAND_RAS|DFII_COMMAND_WE|DFII_COMMAND_CS); /* Auto Refresh */ sdram_dfii_pi0_address_write(0x0); sdram_dfii_pi0_baddress_write(0); command_p0(DFII_COMMAND_RAS|DFII_COMMAND_CAS|DFII_COMMAND_CS); cdelay(4); /* Auto Refresh */ sdram_dfii_pi0_address_write(0x0); sdram_dfii_pi0_baddress_write(0); command_p0(DFII_COMMAND_RAS|DFII_COMMAND_CAS|DFII_COMMAND_CS); cdelay(4); /* Load Mode Register / CL=2, BL=1 */ sdram_dfii_pi0_address_write(0x20); sdram_dfii_pi0_baddress_write(0); command_p0(DFII_COMMAND_RAS|DFII_COMMAND_CAS|DFII_COMMAND_WE|DFII_COMMAND_CS); cdelay(200); } #endif