|
|
|
/*
|
|
|
|
* arch/arm/plat-omap/include/mach/sram.h
|
|
|
|
*
|
|
|
|
* Interface for functions that need to be run in internal SRAM
|
|
|
|
*
|
|
|
|
* 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.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#ifndef __ARCH_ARM_OMAP_SRAM_H
|
|
|
|
#define __ARCH_ARM_OMAP_SRAM_H
|
|
|
|
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
#include <asm/fncpy.h>
|
|
|
|
|
|
|
|
extern void *omap_sram_push_address(unsigned long size);
|
|
|
|
|
|
|
|
/* Macro to push a function to the internal SRAM, using the fncpy API */
|
|
|
|
#define omap_sram_push(funcp, size) ({ \
|
|
|
|
typeof(&(funcp)) _res = NULL; \
|
|
|
|
void *_sram_address = omap_sram_push_address(size); \
|
|
|
|
if (_sram_address) \
|
|
|
|
_res = fncpy(_sram_address, &(funcp), size); \
|
|
|
|
_res; \
|
|
|
|
})
|
|
|
|
|
|
|
|
extern void omap_sram_reprogram_clock(u32 dpllctl, u32 ckctl);
|
|
|
|
|
|
|
|
extern void omap2_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
|
|
|
|
u32 base_cs, u32 force_unlock);
|
|
|
|
extern void omap2_sram_reprogram_sdrc(u32 perf_level, u32 dll_val,
|
|
|
|
u32 mem_type);
|
|
|
|
extern u32 omap2_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass);
|
|
|
|
|
|
|
|
extern u32 omap3_configure_core_dpll(
|
|
|
|
u32 m2, u32 unlock_dll, u32 f, u32 inc,
|
|
|
|
u32 sdrc_rfr_ctrl_0, u32 sdrc_actim_ctrl_a_0,
|
|
|
|
u32 sdrc_actim_ctrl_b_0, u32 sdrc_mr_0,
|
|
|
|
u32 sdrc_rfr_ctrl_1, u32 sdrc_actim_ctrl_a_1,
|
|
|
|
u32 sdrc_actim_ctrl_b_1, u32 sdrc_mr_1);
|
|
|
|
extern void omap3_sram_restore_context(void);
|
|
|
|
|
|
|
|
/* Do not use these */
|
|
|
|
extern void omap1_sram_reprogram_clock(u32 ckctl, u32 dpllctl);
|
|
|
|
extern unsigned long omap1_sram_reprogram_clock_sz;
|
|
|
|
|
|
|
|
extern void omap24xx_sram_reprogram_clock(u32 ckctl, u32 dpllctl);
|
|
|
|
extern unsigned long omap24xx_sram_reprogram_clock_sz;
|
|
|
|
|
|
|
|
extern void omap242x_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
|
|
|
|
u32 base_cs, u32 force_unlock);
|
|
|
|
extern unsigned long omap242x_sram_ddr_init_sz;
|
|
|
|
|
|
|
|
extern u32 omap242x_sram_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val,
|
|
|
|
int bypass);
|
|
|
|
extern unsigned long omap242x_sram_set_prcm_sz;
|
|
|
|
|
|
|
|
extern void omap242x_sram_reprogram_sdrc(u32 perf_level, u32 dll_val,
|
|
|
|
u32 mem_type);
|
|
|
|
extern unsigned long omap242x_sram_reprogram_sdrc_sz;
|
|
|
|
|
|
|
|
|
|
|
|
extern void omap243x_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
|
|
|
|
u32 base_cs, u32 force_unlock);
|
|
|
|
extern unsigned long omap243x_sram_ddr_init_sz;
|
|
|
|
|
|
|
|
extern u32 omap243x_sram_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val,
|
|
|
|
int bypass);
|
|
|
|
extern unsigned long omap243x_sram_set_prcm_sz;
|
|
|
|
|
|
|
|
extern void omap243x_sram_reprogram_sdrc(u32 perf_level, u32 dll_val,
|
|
|
|
u32 mem_type);
|
|
|
|
extern unsigned long omap243x_sram_reprogram_sdrc_sz;
|
|
|
|
|
|
|
|
extern u32 omap3_sram_configure_core_dpll(
|
|
|
|
u32 m2, u32 unlock_dll, u32 f, u32 inc,
|
|
|
|
u32 sdrc_rfr_ctrl_0, u32 sdrc_actim_ctrl_a_0,
|
|
|
|
u32 sdrc_actim_ctrl_b_0, u32 sdrc_mr_0,
|
|
|
|
u32 sdrc_rfr_ctrl_1, u32 sdrc_actim_ctrl_a_1,
|
|
|
|
u32 sdrc_actim_ctrl_b_1, u32 sdrc_mr_1);
|
|
|
|
extern unsigned long omap3_sram_configure_core_dpll_sz;
|
|
|
|
|
|
|
|
#ifdef CONFIG_PM
|
|
|
|
extern void omap_push_sram_idle(void);
|
|
|
|
#else
|
|
|
|
static inline void omap_push_sram_idle(void) {}
|
|
|
|
#endif /* CONFIG_PM */
|
|
|
|
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
|
|
|
|
/*
|
|
|
|
* OMAP2+: define the SRAM PA addresses.
|
|
|
|
* Used by the SRAM management code and the idle sleep code.
|
|
|
|
*/
|
|
|
|
#define OMAP2_SRAM_PA 0x40200000
|
|
|
|
#define OMAP3_SRAM_PA 0x40200000
|
|
|
|
#ifdef CONFIG_OMAP4_ERRATA_I688
|
|
|
|
#define OMAP4_SRAM_PA 0x40304000
|
|
|
|
#define OMAP4_SRAM_VA 0xfe404000
|
|
|
|
#else
|
|
|
|
#define OMAP4_SRAM_PA 0x40300000
|
|
|
|
#endif
|
|
|
|
#endif
|