diff options
Diffstat (limited to 'arch/arm/include/asm/arch-am33xx/ddr_defs.h')
| -rw-r--r-- | arch/arm/include/asm/arch-am33xx/ddr_defs.h | 310 |
1 files changed, 310 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-am33xx/ddr_defs.h b/arch/arm/include/asm/arch-am33xx/ddr_defs.h new file mode 100644 index 0000000..d2f3a78 --- /dev/null +++ b/arch/arm/include/asm/arch-am33xx/ddr_defs.h @@ -0,0 +1,310 @@ +/* + * ddr_defs.h + * + * ddr specific header + * + * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/ + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _DDR_DEFS_H +#define _DDR_DEFS_H + +#include <asm/arch/hardware.h> +#include <asm/emif.h> + +/* AM335X EMIF Register values */ +#define VTP_CTRL_READY (0x1 << 5) +#define VTP_CTRL_ENABLE (0x1 << 6) +#define VTP_CTRL_START_EN (0x1) +#define PHY_DLL_LOCK_DIFF 0x0 +#define DDR_CKE_CTRL_NORMAL 0x1 +#define PHY_EN_DYN_PWRDN (0x1 << 20) + +/* Micron MT47H128M16RT-25E */ +#define MT47H128M16RT25E_EMIF_READ_LATENCY 0x100005 +#define MT47H128M16RT25E_EMIF_TIM1 0x0666B3C9 +#define MT47H128M16RT25E_EMIF_TIM2 0x243631CA +#define MT47H128M16RT25E_EMIF_TIM3 0x0000033F +#define MT47H128M16RT25E_EMIF_SDCFG 0x41805332 +#define MT47H128M16RT25E_EMIF_SDREF 0x0000081a +#define MT47H128M16RT25E_DLL_LOCK_DIFF 0x0 +#define MT47H128M16RT25E_RATIO 0x80 +#define MT47H128M16RT25E_INVERT_CLKOUT 0x00 +#define MT47H128M16RT25E_RD_DQS 0x12 +#define MT47H128M16RT25E_WR_DQS 0x00 +#define MT47H128M16RT25E_PHY_WRLVL 0x00 +#define MT47H128M16RT25E_PHY_GATELVL 0x00 +#define MT47H128M16RT25E_PHY_WR_DATA 0x40 +#define MT47H128M16RT25E_PHY_FIFO_WE 0x80 +#define MT47H128M16RT25E_PHY_RANK0_DELAY 0x1 +#define MT47H128M16RT25E_IOCTRL_VALUE 0x18B + +/* Micron MT41J128M16JT-125 */ +#define MT41J128MJT125_EMIF_READ_LATENCY 0x06 +#define MT41J128MJT125_EMIF_TIM1 0x0888A39B +#define MT41J128MJT125_EMIF_TIM2 0x26337FDA +#define MT41J128MJT125_EMIF_TIM3 0x501F830F +#define MT41J128MJT125_EMIF_SDCFG 0x61C04AB2 +#define MT41J128MJT125_EMIF_SDREF 0x0000093B +#define MT41J128MJT125_ZQ_CFG 0x50074BE4 +#define MT41J128MJT125_DLL_LOCK_DIFF 0x1 +#define MT41J128MJT125_RATIO 0x40 +#define MT41J128MJT125_INVERT_CLKOUT 0x1 +#define MT41J128MJT125_RD_DQS 0x3B +#define MT41J128MJT125_WR_DQS 0x85 +#define MT41J128MJT125_PHY_WR_DATA 0xC1 +#define MT41J128MJT125_PHY_FIFO_WE 0x100 +#define MT41J128MJT125_IOCTRL_VALUE 0x18B + +/* Micron MT41J256M8HX-15E */ +#define MT41J256M8HX15E_EMIF_READ_LATENCY 0x06 +#define MT41J256M8HX15E_EMIF_TIM1 0x0888A39B +#define MT41J256M8HX15E_EMIF_TIM2 0x26337FDA +#define MT41J256M8HX15E_EMIF_TIM3 0x501F830F +#define MT41J256M8HX15E_EMIF_SDCFG 0x61C04B32 +#define MT41J256M8HX15E_EMIF_SDREF 0x0000093B +#define MT41J256M8HX15E_ZQ_CFG 0x50074BE4 +#define MT41J256M8HX15E_DLL_LOCK_DIFF 0x1 +#define MT41J256M8HX15E_RATIO 0x40 +#define MT41J256M8HX15E_INVERT_CLKOUT 0x1 +#define MT41J256M8HX15E_RD_DQS 0x3B +#define MT41J256M8HX15E_WR_DQS 0x85 +#define MT41J256M8HX15E_PHY_WR_DATA 0xC1 +#define MT41J256M8HX15E_PHY_FIFO_WE 0x100 +#define MT41J256M8HX15E_IOCTRL_VALUE 0x18B + +/* Micron MT41K256M16HA-125E */ +#define MT41K256M16HA125E_EMIF_READ_LATENCY 0x100007 +#define MT41K256M16HA125E_EMIF_TIM1 0x0AAAD4DB +#define MT41K256M16HA125E_EMIF_TIM2 0x266B7FDA +#define MT41K256M16HA125E_EMIF_TIM3 0x501F867F +#define MT41K256M16HA125E_EMIF_SDCFG 0x61C05332 +#define MT41K256M16HA125E_EMIF_SDREF 0xC30 +#define MT41K256M16HA125E_ZQ_CFG 0x50074BE4 +#define MT41K256M16HA125E_DLL_LOCK_DIFF 0x1 +#define MT41K256M16HA125E_RATIO 0x80 +#define MT41K256M16HA125E_INVERT_CLKOUT 0x0 +#define MT41K256M16HA125E_RD_DQS 0x38 +#define MT41K256M16HA125E_WR_DQS 0x44 +#define MT41K256M16HA125E_PHY_WR_DATA 0x7D +#define MT41K256M16HA125E_PHY_FIFO_WE 0x94 +#define MT41K256M16HA125E_IOCTRL_VALUE 0x18B + +/* Micron MT41J512M8RH-125 on EVM v1.5 */ +#define MT41J512M8RH125_EMIF_READ_LATENCY 0x06 +#define MT41J512M8RH125_EMIF_TIM1 0x0888A39B +#define MT41J512M8RH125_EMIF_TIM2 0x26517FDA +#define MT41J512M8RH125_EMIF_TIM3 0x501F84EF +#define MT41J512M8RH125_EMIF_SDCFG 0x61C04BB2 +#define MT41J512M8RH125_EMIF_SDREF 0x0000093B +#define MT41J512M8RH125_ZQ_CFG 0x50074BE4 +#define MT41J512M8RH125_DLL_LOCK_DIFF 0x1 +#define MT41J512M8RH125_RATIO 0x80 +#define MT41J512M8RH125_INVERT_CLKOUT 0x0 +#define MT41J512M8RH125_RD_DQS 0x3B +#define MT41J512M8RH125_WR_DQS 0x3C +#define MT41J512M8RH125_PHY_FIFO_WE 0xA5 +#define MT41J512M8RH125_PHY_WR_DATA 0x74 +#define MT41J512M8RH125_IOCTRL_VALUE 0x18B + +/* Samsung K4B2G1646E-BIH9 */ +#define K4B2G1646EBIH9_EMIF_READ_LATENCY 0x06 +#define K4B2G1646EBIH9_EMIF_TIM1 0x0888A39B +#define K4B2G1646EBIH9_EMIF_TIM2 0x2A04011A +#define K4B2G1646EBIH9_EMIF_TIM3 0x501F820F +#define K4B2G1646EBIH9_EMIF_SDCFG 0x61C24AB2 +#define K4B2G1646EBIH9_EMIF_SDREF 0x0000093B +#define K4B2G1646EBIH9_ZQ_CFG 0x50074BE4 +#define K4B2G1646EBIH9_DLL_LOCK_DIFF 0x1 +#define K4B2G1646EBIH9_RATIO 0x40 +#define K4B2G1646EBIH9_INVERT_CLKOUT 0x1 +#define K4B2G1646EBIH9_RD_DQS 0x3B +#define K4B2G1646EBIH9_WR_DQS 0x85 +#define K4B2G1646EBIH9_PHY_FIFO_WE 0x100 +#define K4B2G1646EBIH9_PHY_WR_DATA 0xC1 +#define K4B2G1646EBIH9_IOCTRL_VALUE 0x18B + +/** + * Configure DMM + */ +void config_dmm(const struct dmm_lisa_map_regs *regs); + +/** + * Configure SDRAM + */ +void config_sdram(const struct emif_regs *regs, int nr); + +/** + * Set SDRAM timings + */ +void set_sdram_timings(const struct emif_regs *regs, int nr); + +/** + * Configure DDR PHY + */ +void config_ddr_phy(const struct emif_regs *regs, int nr); + +struct ddr_cmd_regs { + unsigned int resv0[7]; + unsigned int cm0csratio; /* offset 0x01C */ + unsigned int resv1[2]; + unsigned int cm0dldiff; /* offset 0x028 */ + unsigned int cm0iclkout; /* offset 0x02C */ + unsigned int resv2[8]; + unsigned int cm1csratio; /* offset 0x050 */ + unsigned int resv3[2]; + unsigned int cm1dldiff; /* offset 0x05C */ + unsigned int cm1iclkout; /* offset 0x060 */ + unsigned int resv4[8]; + unsigned int cm2csratio; /* offset 0x084 */ + unsigned int resv5[2]; + unsigned int cm2dldiff; /* offset 0x090 */ + unsigned int cm2iclkout; /* offset 0x094 */ + unsigned int resv6[3]; +}; + +struct ddr_data_regs { + unsigned int dt0rdsratio0; /* offset 0x0C8 */ + unsigned int resv1[4]; + unsigned int dt0wdsratio0; /* offset 0x0DC */ + unsigned int resv2[4]; + unsigned int dt0wiratio0; /* offset 0x0F0 */ + unsigned int resv3; + unsigned int dt0wimode0; /* offset 0x0F8 */ + unsigned int dt0giratio0; /* offset 0x0FC */ + unsigned int resv4; + unsigned int dt0gimode0; /* offset 0x104 */ + unsigned int dt0fwsratio0; /* offset 0x108 */ + unsigned int resv5[4]; + unsigned int dt0dqoffset; /* offset 0x11C */ + unsigned int dt0wrsratio0; /* offset 0x120 */ + unsigned int resv6[4]; + unsigned int dt0rdelays0; /* offset 0x134 */ + unsigned int dt0dldiff0; /* offset 0x138 */ + unsigned int resv7[12]; +}; + +/** + * This structure represents the DDR registers on AM33XX devices. + * We make use of DDR_PHY_BASE_ADDR2 to address the DATA1 registers that + * correspond to DATA1 registers defined here. + */ +struct ddr_regs { + unsigned int resv0[7]; + unsigned int cm0csratio; /* offset 0x01C */ + unsigned int resv1[2]; + unsigned int cm0dldiff; /* offset 0x028 */ + unsigned int cm0iclkout; /* offset 0x02C */ + unsigned int resv2[8]; + unsigned int cm1csratio; /* offset 0x050 */ + unsigned int resv3[2]; + unsigned int cm1dldiff; /* offset 0x05C */ + unsigned int cm1iclkout; /* offset 0x060 */ + unsigned int resv4[8]; + unsigned int cm2csratio; /* offset 0x084 */ + unsigned int resv5[2]; + unsigned int cm2dldiff; /* offset 0x090 */ + unsigned int cm2iclkout; /* offset 0x094 */ + unsigned int resv6[12]; + unsigned int dt0rdsratio0; /* offset 0x0C8 */ + unsigned int resv7[4]; + unsigned int dt0wdsratio0; /* offset 0x0DC */ + unsigned int resv8[4]; + unsigned int dt0wiratio0; /* offset 0x0F0 */ + unsigned int resv9; + unsigned int dt0wimode0; /* offset 0x0F8 */ + unsigned int dt0giratio0; /* offset 0x0FC */ + unsigned int resv10; + unsigned int dt0gimode0; /* offset 0x104 */ + unsigned int dt0fwsratio0; /* offset 0x108 */ + unsigned int resv11[4]; + unsigned int dt0dqoffset; /* offset 0x11C */ + unsigned int dt0wrsratio0; /* offset 0x120 */ + unsigned int resv12[4]; + unsigned int dt0rdelays0; /* offset 0x134 */ + unsigned int dt0dldiff0; /* offset 0x138 */ +}; + +/** + * Encapsulates DDR CMD control registers. + */ +struct cmd_control { + unsigned long cmd0csratio; + unsigned long cmd0csforce; + unsigned long cmd0csdelay; + unsigned long cmd0dldiff; + unsigned long cmd0iclkout; + unsigned long cmd1csratio; + unsigned long cmd1csforce; + unsigned long cmd1csdelay; + unsigned long cmd1dldiff; + unsigned long cmd1iclkout; + unsigned long cmd2csratio; + unsigned long cmd2csforce; + unsigned long cmd2csdelay; + unsigned long cmd2dldiff; + unsigned long cmd2iclkout; +}; + +/** + * Encapsulates DDR DATA registers. + */ +struct ddr_data { + unsigned long datardsratio0; + unsigned long datawdsratio0; + unsigned long datawiratio0; + unsigned long datagiratio0; + unsigned long datafwsratio0; + unsigned long datawrsratio0; + unsigned long datauserank0delay; + unsigned long datadldiff0; +}; + +/** + * Configure DDR CMD control registers + */ +void config_cmd_ctrl(const struct cmd_control *cmd, int nr); + +/** + * Configure DDR DATA registers + */ +void config_ddr_data(const struct ddr_data *data, int nr); + +/** + * This structure represents the DDR io control on AM33XX devices. + */ +struct ddr_cmdtctrl { + unsigned int cm0ioctl; + unsigned int cm1ioctl; + unsigned int cm2ioctl; + unsigned int resv2[12]; + unsigned int dt0ioctl; + unsigned int dt1ioctl; +}; + +/** + * Configure DDR io control registers + */ +void config_io_ctrl(unsigned long val); + +struct ddr_ctrl { + unsigned int ddrioctrl; + unsigned int resv1[325]; + unsigned int ddrckectrl; +}; + +void config_ddr(unsigned int pll, unsigned int ioctrl, + const struct ddr_data *data, const struct cmd_control *ctrl, + const struct emif_regs *regs, int nr); + +#endif /* _DDR_DEFS_H */ |
