From 829e9d223657f5779668bb7a46e902a85e09b664 Mon Sep 17 00:00:00 2001 From: Tom Rini Date: Fri, 2 Dec 2022 16:42:35 -0500 Subject: ddr: fsl: Remove CONFIG_MEM_INIT_VALUE The way all of the memory init code here works is that we pass 0xDEADBEEF around for the initial value (as it's a well known 'poison' value and so easily recognized in debuggers, etc). The only point of this CONFIG symbol was to pass in a different value for that purpose. Drop this symbol and cleanup the code slightly. Signed-off-by: Tom Rini --- drivers/ddr/fsl/ctrl_regs.c | 17 ++--------------- drivers/ddr/fsl/mpc85xx_ddr_gen1.c | 2 +- 2 files changed, 3 insertions(+), 16 deletions(-) (limited to 'drivers/ddr') diff --git a/drivers/ddr/fsl/ctrl_regs.c b/drivers/ddr/fsl/ctrl_regs.c index df7ec484651..759921bc582 100644 --- a/drivers/ddr/fsl/ctrl_regs.c +++ b/drivers/ddr/fsl/ctrl_regs.c @@ -938,7 +938,7 @@ static void set_ddr_sdram_cfg_2(const unsigned int ctrl_num, #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) /* Use the DDR controller to auto initialize memory. */ d_init = popts->ecc_init_using_memctl; - ddr->ddr_data_init = CONFIG_MEM_INIT_VALUE; + ddr->ddr_data_init = 0xDEADBEEF; debug("DDR: ddr_data_init = 0x%08x\n", ddr->ddr_data_init); #else /* Memory will be initialized via DMA, or not at all. */ @@ -1842,19 +1842,6 @@ static void set_ddr_sdram_mode(const unsigned int ctrl_num, } #endif -/* DDR SDRAM Data Initialization (DDR_DATA_INIT) */ -static void set_ddr_data_init(fsl_ddr_cfg_regs_t *ddr) -{ - unsigned int init_value; /* Initialization value */ - -#ifdef CONFIG_MEM_INIT_VALUE - init_value = CONFIG_MEM_INIT_VALUE; -#else - init_value = 0xDEADBEEF; -#endif - ddr->ddr_data_init = init_value; -} - /* * DDR SDRAM Clock Control (DDR_SDRAM_CLK_CNTL) * The old controller on the 8540/60 doesn't have this register. @@ -2537,7 +2524,7 @@ compute_fsl_memctl_config_regs(const unsigned int ctrl_num, set_ddr_sdram_rcw(ctrl_num, ddr, popts, common_dimm); set_ddr_sdram_interval(ctrl_num, ddr, popts, common_dimm); - set_ddr_data_init(ddr); + ddr->ddr_data_init = 0xDEADBEEF; set_ddr_sdram_clk_cntl(ddr, popts); set_ddr_init_addr(ddr); set_ddr_init_ext_addr(ddr); diff --git a/drivers/ddr/fsl/mpc85xx_ddr_gen1.c b/drivers/ddr/fsl/mpc85xx_ddr_gen1.c index 0f1e99eeb03..16186bdbae7 100644 --- a/drivers/ddr/fsl/mpc85xx_ddr_gen1.c +++ b/drivers/ddr/fsl/mpc85xx_ddr_gen1.c @@ -73,7 +73,7 @@ ddr_enable_ecc(unsigned int dram_size) struct ccsr_ddr __iomem *ddr = (struct ccsr_ddr __iomem *)(CFG_SYS_FSL_DDR_ADDR); - dma_meminit(CONFIG_MEM_INIT_VALUE, dram_size); + dma_meminit(dram_size); /* * Enable errors for ECC. -- cgit v1.2.3