diff options
Diffstat (limited to 'arch/arm/include/asm/arch-imx8ulp/ddr.h')
| -rw-r--r-- | arch/arm/include/asm/arch-imx8ulp/ddr.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-imx8ulp/ddr.h b/arch/arm/include/asm/arch-imx8ulp/ddr.h new file mode 100644 index 0000000000..4544431b05 --- /dev/null +++ b/arch/arm/include/asm/arch-imx8ulp/ddr.h @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2020 NXP + */ + +#ifndef __ASM_ARCH_IMX8ULP_DDR_H +#define __ASM_ARCH_IMX8ULP_DDR_H + +#include <asm/io.h> +#include <asm/types.h> + +struct dram_cfg_param { + unsigned int reg; + unsigned int val; +}; + +struct dram_timing_info2 { + /* ddr controller config */ + struct dram_cfg_param *ctl_cfg; + unsigned int ctl_cfg_num; + /* pi config */ + struct dram_cfg_param *pi_cfg; + unsigned int pi_cfg_num; + /* phy freq1 config */ + struct dram_cfg_param *phy_f1_cfg; + unsigned int phy_f1_cfg_num; + /* phy freq2 config */ + struct dram_cfg_param *phy_f2_cfg; + unsigned int phy_f2_cfg_num; + /* initialized drate table */ + unsigned int fsp_table[3]; +}; + +extern struct dram_timing_info2 dram_timing; + +int ddr_init(struct dram_timing_info2 *dram_timing); + +#endif |