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kernel/linux-imx6_3.14.28/arch/arm/mach-omap2/sram.h 2.73 KB
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  /*
   * 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 __ASSEMBLY__
  #include <plat/sram.h>
  
  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 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
  #define AM33XX_SRAM_PA		0x40300000