diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/ddr-gen2.c')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/ddr-gen2.c | 95 | 
1 files changed, 0 insertions, 95 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/ddr-gen2.c b/arch/powerpc/cpu/mpc85xx/ddr-gen2.c deleted file mode 100644 index 542bc84ac..000000000 --- a/arch/powerpc/cpu/mpc85xx/ddr-gen2.c +++ /dev/null @@ -1,95 +0,0 @@ -/* - * Copyright 2008-2011 Freescale Semiconductor, Inc. - * - * 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 <common.h> -#include <asm/io.h> -#include <asm/processor.h> -#include <asm/fsl_ddr_sdram.h> - -#if (CONFIG_CHIP_SELECTS_PER_CTRL > 4) -#error Invalid setting for CONFIG_CHIP_SELECTS_PER_CTRL -#endif - -void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, -			     unsigned int ctrl_num, int step) -{ -	unsigned int i; -	ccsr_ddr_t *ddr = (void *)CONFIG_SYS_MPC8xxx_DDR_ADDR; - -#if defined(CONFIG_SYS_FSL_ERRATUM_NMG_DDR120) && defined(CONFIG_MPC85xx) -	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); -	uint svr; -#endif - -	if (ctrl_num) { -		printf("%s unexpected ctrl_num = %u\n", __FUNCTION__, ctrl_num); -		return; -	} - -#ifdef CONFIG_SYS_FSL_ERRATUM_NMG_DDR120 -	/* -	 * Set the DDR IO receiver to an acceptable bias point. -	 * Fixed in Rev 2.1. -	 */ -	svr = get_svr(); -	if ((SVR_MAJ(svr) == 1) || IS_SVR_REV(svr, 2, 0)) { -		if ((regs->ddr_sdram_cfg & SDRAM_CFG_SDRAM_TYPE_MASK) == -		   SDRAM_CFG_SDRAM_TYPE_DDR2) -			out_be32(&gur->ddrioovcr, 0x90000000); -		else -			out_be32(&gur->ddrioovcr, 0xA8000000); -	} -#endif - -	for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) { -		if (i == 0) { -			out_be32(&ddr->cs0_bnds, regs->cs[i].bnds); -			out_be32(&ddr->cs0_config, regs->cs[i].config); - -		} else if (i == 1) { -			out_be32(&ddr->cs1_bnds, regs->cs[i].bnds); -			out_be32(&ddr->cs1_config, regs->cs[i].config); - -		} else if (i == 2) { -			out_be32(&ddr->cs2_bnds, regs->cs[i].bnds); -			out_be32(&ddr->cs2_config, regs->cs[i].config); - -		} else if (i == 3) { -			out_be32(&ddr->cs3_bnds, regs->cs[i].bnds); -			out_be32(&ddr->cs3_config, regs->cs[i].config); -		} -	} - -	out_be32(&ddr->timing_cfg_3, regs->timing_cfg_3); -	out_be32(&ddr->timing_cfg_0, regs->timing_cfg_0); -	out_be32(&ddr->timing_cfg_1, regs->timing_cfg_1); -	out_be32(&ddr->timing_cfg_2, regs->timing_cfg_2); -	out_be32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2); -	out_be32(&ddr->sdram_mode, regs->ddr_sdram_mode); -	out_be32(&ddr->sdram_mode_2, regs->ddr_sdram_mode_2); -	out_be32(&ddr->sdram_md_cntl, regs->ddr_sdram_md_cntl); -	out_be32(&ddr->sdram_interval, regs->ddr_sdram_interval); -	out_be32(&ddr->sdram_data_init, regs->ddr_data_init); -	out_be32(&ddr->sdram_clk_cntl, regs->ddr_sdram_clk_cntl); -	out_be32(&ddr->init_addr, regs->ddr_init_addr); -	out_be32(&ddr->init_ext_addr, regs->ddr_init_ext_addr); - -	/* -	 * 200 painful micro-seconds must elapse between -	 * the DDR clock setup and the DDR config enable. -	 */ -	udelay(200); -	asm volatile("sync;isync"); - -	out_be32(&ddr->sdram_cfg, regs->ddr_sdram_cfg); - -	/* Poll DDR_SDRAM_CFG_2[D_INIT] bit until auto-data init is done.  */ -	while (in_be32(&ddr->sdram_cfg_2) & 0x10) { -		udelay(10000);		/* throttle polling rate */ -	} -}  |