diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/ddr-gen1.c')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/ddr-gen1.c | 89 | 
1 files changed, 0 insertions, 89 deletions
| diff --git a/arch/powerpc/cpu/mpc85xx/ddr-gen1.c b/arch/powerpc/cpu/mpc85xx/ddr-gen1.c deleted file mode 100644 index 4dd8c0b5b..000000000 --- a/arch/powerpc/cpu/mpc85xx/ddr-gen1.c +++ /dev/null @@ -1,89 +0,0 @@ -/* - * Copyright 2008 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/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; -	volatile ccsr_ddr_t *ddr = (void *)CONFIG_SYS_MPC8xxx_DDR_ADDR; - -	if (ctrl_num != 0) { -		printf("%s unexpected ctrl_num = %u\n", __FUNCTION__, ctrl_num); -		return; -	} - -	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_1, regs->timing_cfg_1); -	out_be32(&ddr->timing_cfg_2, regs->timing_cfg_2); -	out_be32(&ddr->sdram_mode, regs->ddr_sdram_mode); -	out_be32(&ddr->sdram_interval, regs->ddr_sdram_interval); -#if defined(CONFIG_MPC8555) || defined(CONFIG_MPC8541) -	out_be32(&ddr->sdram_clk_cntl, regs->ddr_sdram_clk_cntl); -#endif - -	/* -	 * 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); - -	asm("sync;isync;msync"); -	udelay(500); -} - -#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) -/* - * Initialize all of memory for ECC, then enable errors. - */ - -void -ddr_enable_ecc(unsigned int dram_size) -{ -	volatile ccsr_ddr_t *ddr= (void *)(CONFIG_SYS_MPC8xxx_DDR_ADDR); - -	dma_meminit(CONFIG_MEM_INIT_VALUE, dram_size); - -	/* -	 * Enable errors for ECC. -	 */ -	debug("DMA DDR: err_disable = 0x%08x\n", ddr->err_disable); -	ddr->err_disable = 0x00000000; -	asm("sync;isync;msync"); -	debug("DMA DDR: err_disable = 0x%08x\n", ddr->err_disable); -} - -#endif	/* CONFIG_DDR_ECC  && ! CONFIG_ECC_INIT_VIA_DDRCONTROLLER */ |