diff options
Diffstat (limited to 'arch/arm/plat-omap/include/plat/sdrc.h')
| -rw-r--r-- | arch/arm/plat-omap/include/plat/sdrc.h | 164 | 
1 files changed, 0 insertions, 164 deletions
diff --git a/arch/arm/plat-omap/include/plat/sdrc.h b/arch/arm/plat-omap/include/plat/sdrc.h deleted file mode 100644 index 36d6a766621..00000000000 --- a/arch/arm/plat-omap/include/plat/sdrc.h +++ /dev/null @@ -1,164 +0,0 @@ -#ifndef ____ASM_ARCH_SDRC_H -#define ____ASM_ARCH_SDRC_H - -/* - * OMAP2/3 SDRC/SMS register definitions - * - * Copyright (C) 2007-2008 Texas Instruments, Inc. - * Copyright (C) 2007-2008 Nokia Corporation - * - * Tony Lindgren - * Paul Walmsley - * Richard Woodruff - * - * 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. - */ - - -/* SDRC register offsets - read/write with sdrc_{read,write}_reg() */ - -#define SDRC_SYSCONFIG		0x010 -#define SDRC_CS_CFG		0x040 -#define SDRC_SHARING		0x044 -#define SDRC_ERR_TYPE		0x04C -#define SDRC_DLLA_CTRL		0x060 -#define SDRC_DLLA_STATUS	0x064 -#define SDRC_DLLB_CTRL		0x068 -#define SDRC_DLLB_STATUS	0x06C -#define SDRC_POWER		0x070 -#define SDRC_MCFG_0		0x080 -#define SDRC_MR_0		0x084 -#define SDRC_EMR2_0		0x08c -#define SDRC_ACTIM_CTRL_A_0	0x09c -#define SDRC_ACTIM_CTRL_B_0	0x0a0 -#define SDRC_RFR_CTRL_0		0x0a4 -#define SDRC_MANUAL_0		0x0a8 -#define SDRC_MCFG_1		0x0B0 -#define SDRC_MR_1		0x0B4 -#define SDRC_EMR2_1		0x0BC -#define SDRC_ACTIM_CTRL_A_1	0x0C4 -#define SDRC_ACTIM_CTRL_B_1	0x0C8 -#define SDRC_RFR_CTRL_1		0x0D4 -#define SDRC_MANUAL_1		0x0D8 - -#define SDRC_POWER_AUTOCOUNT_SHIFT	8 -#define SDRC_POWER_AUTOCOUNT_MASK	(0xffff << SDRC_POWER_AUTOCOUNT_SHIFT) -#define SDRC_POWER_CLKCTRL_SHIFT	4 -#define SDRC_POWER_CLKCTRL_MASK		(0x3 << SDRC_POWER_CLKCTRL_SHIFT) -#define SDRC_SELF_REFRESH_ON_AUTOCOUNT	(0x2 << SDRC_POWER_CLKCTRL_SHIFT) - -/* - * These values represent the number of memory clock cycles between - * autorefresh initiation.  They assume 1 refresh per 64 ms (JEDEC), 8192 - * rows per device, and include a subtraction of a 50 cycle window in the - * event that the autorefresh command is delayed due to other SDRC activity. - * The '| 1' sets the ARE field to send one autorefresh when the autorefresh - * counter reaches 0. - * - * These represent optimal values for common parts, it won't work for all. - * As long as you scale down, most parameters are still work, they just - * become sub-optimal. The RFR value goes in the opposite direction. If you - * don't adjust it down as your clock period increases the refresh interval - * will not be met. Setting all parameters for complete worst case may work, - * but may cut memory performance by 2x. Due to errata the DLLs need to be - * unlocked and their value needs run time calibration.	A dynamic call is - * need for that as no single right value exists acorss production samples. - * - * Only the FULL speed values are given. Current code is such that rate - * changes must be made at DPLLoutx2. The actual value adjustment for low - * frequency operation will be handled by omap_set_performance() - * - * By having the boot loader boot up in the fastest L4 speed available likely - * will result in something which you can switch between. - */ -#define SDRC_RFR_CTRL_165MHz	(0x00044c00 | 1) -#define SDRC_RFR_CTRL_133MHz	(0x0003de00 | 1) -#define SDRC_RFR_CTRL_100MHz	(0x0002da01 | 1) -#define SDRC_RFR_CTRL_110MHz	(0x0002da01 | 1) /* Need to calc */ -#define SDRC_RFR_CTRL_BYPASS	(0x00005000 | 1) /* Need to calc */ - - -/* - * SMS register access - */ - -#define OMAP242X_SMS_REGADDR(reg)					\ -		(void __iomem *)OMAP2_L3_IO_ADDRESS(OMAP2420_SMS_BASE + reg) -#define OMAP243X_SMS_REGADDR(reg)					\ -		(void __iomem *)OMAP2_L3_IO_ADDRESS(OMAP243X_SMS_BASE + reg) -#define OMAP343X_SMS_REGADDR(reg)					\ -		(void __iomem *)OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE + reg) - -/* SMS register offsets - read/write with sms_{read,write}_reg() */ - -#define SMS_SYSCONFIG			0x010 -#define SMS_ROT_CONTROL(context)	(0x180 + 0x10 * context) -#define SMS_ROT_SIZE(context)		(0x184 + 0x10 * context) -#define SMS_ROT_PHYSICAL_BA(context)	(0x188 + 0x10 * context) -/* REVISIT: fill in other SMS registers here */ - - -#ifndef __ASSEMBLER__ - -/** - * struct omap_sdrc_params - SDRC parameters for a given SDRC clock rate - * @rate: SDRC clock rate (in Hz) - * @actim_ctrla: Value to program to SDRC_ACTIM_CTRLA for this rate - * @actim_ctrlb: Value to program to SDRC_ACTIM_CTRLB for this rate - * @rfr_ctrl: Value to program to SDRC_RFR_CTRL for this rate - * @mr: Value to program to SDRC_MR for this rate - * - * This structure holds a pre-computed set of register values for the - * SDRC for a given SDRC clock rate and SDRAM chip.  These are - * intended to be pre-computed and specified in an array in the board-*.c - * files.  The structure is keyed off the 'rate' field. - */ -struct omap_sdrc_params { -	unsigned long rate; -	u32 actim_ctrla; -	u32 actim_ctrlb; -	u32 rfr_ctrl; -	u32 mr; -}; - -#ifdef CONFIG_SOC_HAS_OMAP2_SDRC -void omap2_sdrc_init(struct omap_sdrc_params *sdrc_cs0, -			    struct omap_sdrc_params *sdrc_cs1); -#else -static inline void __init omap2_sdrc_init(struct omap_sdrc_params *sdrc_cs0, -					  struct omap_sdrc_params *sdrc_cs1) {}; -#endif - -int omap2_sdrc_get_params(unsigned long r, -			  struct omap_sdrc_params **sdrc_cs0, -			  struct omap_sdrc_params **sdrc_cs1); -void omap2_sms_save_context(void); -void omap2_sms_restore_context(void); - -void omap2_sms_write_rot_control(u32 val, unsigned ctx); -void omap2_sms_write_rot_size(u32 val, unsigned ctx); -void omap2_sms_write_rot_physical_ba(u32 val, unsigned ctx); - -#ifdef CONFIG_ARCH_OMAP2 - -struct memory_timings { -	u32 m_type;		/* ddr = 1, sdr = 0 */ -	u32 dll_mode;		/* use lock mode = 1, unlock mode = 0 */ -	u32 slow_dll_ctrl;	/* unlock mode, dll value for slow speed */ -	u32 fast_dll_ctrl;	/* unlock mode, dll value for fast speed */ -	u32 base_cs;		/* base chip select to use for calculations */ -}; - -extern void omap2xxx_sdrc_init_params(u32 force_lock_to_unlock_mode); -struct omap_sdrc_params *rx51_get_sdram_timings(void); - -u32 omap2xxx_sdrc_dll_is_unlocked(void); -u32 omap2xxx_sdrc_reprogram(u32 level, u32 force); - -#endif  /* CONFIG_ARCH_OMAP2 */ - -#endif  /* __ASSEMBLER__ */ - -#endif  |