diff options
Diffstat (limited to 'arch/arm/mach-keystone/include/mach/ddr3.h')
| -rw-r--r-- | arch/arm/mach-keystone/include/mach/ddr3.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/arch/arm/mach-keystone/include/mach/ddr3.h b/arch/arm/mach-keystone/include/mach/ddr3.h new file mode 100644 index 0000000000..a22c237c80 --- /dev/null +++ b/arch/arm/mach-keystone/include/mach/ddr3.h @@ -0,0 +1,62 @@ +/* + * DDR3 + * + * (C) Copyright 2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _DDR3_H_ +#define _DDR3_H_ + +#include <asm/arch/hardware.h> + +struct ddr3_phy_config { + unsigned int pllcr; + unsigned int pgcr1_mask; + unsigned int pgcr1_val; + unsigned int ptr0; + unsigned int ptr1; + unsigned int ptr2; + unsigned int ptr3; + unsigned int ptr4; + unsigned int dcr_mask; + unsigned int dcr_val; + unsigned int dtpr0; + unsigned int dtpr1; + unsigned int dtpr2; + unsigned int mr0; + unsigned int mr1; + unsigned int mr2; + unsigned int dtcr; + unsigned int pgcr2; + unsigned int zq0cr1; + unsigned int zq1cr1; + unsigned int zq2cr1; + unsigned int pir_v1; + unsigned int pir_v2; +}; + +struct ddr3_emif_config { + unsigned int sdcfg; + unsigned int sdtim1; + unsigned int sdtim2; + unsigned int sdtim3; + unsigned int sdtim4; + unsigned int zqcfg; + unsigned int sdrfc; +}; + +u32 ddr3_init(void); +void ddr3_reset_ddrphy(void); +void ddr3_init_ecc(u32 base, u32 ddr3_size); +void ddr3_disable_ecc(u32 base); +void ddr3_check_ecc_int(u32 base); +int ddr3_ecc_support_rmw(u32 base); +void ddr3_err_reset_workaround(void); +void ddr3_enable_ecc(u32 base, int test); +void ddr3_init_ddrphy(u32 base, struct ddr3_phy_config *phy_cfg); +void ddr3_init_ddremif(u32 base, struct ddr3_emif_config *emif_cfg); + +#endif |
