arch/arm/mach-omap2/sram.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Interface for functions that need to be run in internal SRAM
   4  */
   5
   6 #ifndef __ASSEMBLY__
   7
   8 extern void omap2_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
   9                                 u32 base_cs, u32 force_unlock);
  10 extern void omap2_sram_reprogram_sdrc(u32 perf_level, u32 dll_val,
  11                                       u32 mem_type);
  12 extern u32 omap2_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass);
  13
  14 extern void omap3_sram_restore_context(void);
  15
  16 extern int __init omap_sram_init(void);
  17
  18 extern void *omap_sram_push(void *funcp, unsigned long size);
  19
  20 /* Do not use these */
  21 extern void omap24xx_sram_reprogram_clock(u32 ckctl, u32 dpllctl);
  22 extern unsigned long omap24xx_sram_reprogram_clock_sz;
  23
  24 extern void omap242x_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
  25                                                 u32 base_cs, u32 force_unlock);
  26 extern unsigned long omap242x_sram_ddr_init_sz;
  27
  28 extern u32 omap242x_sram_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val,
  29                                                 int bypass);
  30 extern unsigned long omap242x_sram_set_prcm_sz;
  31
  32 extern void omap242x_sram_reprogram_sdrc(u32 perf_level, u32 dll_val,
  33                                                 u32 mem_type);
  34 extern unsigned long omap242x_sram_reprogram_sdrc_sz;
  35
  36
  37 extern void omap243x_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
  38                                                 u32 base_cs, u32 force_unlock);
  39 extern unsigned long omap243x_sram_ddr_init_sz;
  40
  41 extern u32 omap243x_sram_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val,
  42                                                 int bypass);
  43 extern unsigned long omap243x_sram_set_prcm_sz;
  44
  45 extern void omap243x_sram_reprogram_sdrc(u32 perf_level, u32 dll_val,
  46                                                 u32 mem_type);
  47 extern unsigned long omap243x_sram_reprogram_sdrc_sz;
  48
  49 #ifdef CONFIG_PM
  50 extern void omap_push_sram_idle(void);
  51 #else
  52 static inline void omap_push_sram_idle(void) {}
  53 #endif /* CONFIG_PM */
  54
  55 #endif /* __ASSEMBLY__ */
  56
  57 /*
  58  * OMAP2+: define the SRAM PA addresses.
  59  * Used by the SRAM management code and the idle sleep code.
  60  */
  61 #define OMAP2_SRAM_PA           0x40200000
  62 #define OMAP3_SRAM_PA           0x40200000