arch/arm/plat-omap/include/plat/sram.h

   1 /*
   2  * arch/arm/plat-omap/include/mach/sram.h
   3  *
   4  * Interface for functions that need to be run in internal SRAM
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #ifndef __ARCH_ARM_OMAP_SRAM_H
  12 #define __ARCH_ARM_OMAP_SRAM_H
  13
  14 extern void * omap_sram_push(void * start, unsigned long size);
  15 extern void omap_sram_reprogram_clock(u32 dpllctl, u32 ckctl);
  16
  17 extern void omap2_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
  18                                 u32 base_cs, u32 force_unlock);
  19 extern void omap2_sram_reprogram_sdrc(u32 perf_level, u32 dll_val,
  20                                       u32 mem_type);
  21 extern u32 omap2_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass);
  22
  23 extern u32 omap3_configure_core_dpll(
  24                         u32 m2, u32 unlock_dll, u32 f, u32 inc,
  25                         u32 sdrc_rfr_ctrl_0, u32 sdrc_actim_ctrl_a_0,
  26                         u32 sdrc_actim_ctrl_b_0, u32 sdrc_mr_0,
  27                         u32 sdrc_rfr_ctrl_1, u32 sdrc_actim_ctrl_a_1,
  28                         u32 sdrc_actim_ctrl_b_1, u32 sdrc_mr_1);
  29 extern void omap3_sram_restore_context(void);
  30
  31 /* Do not use these */
  32 extern void omap1_sram_reprogram_clock(u32 ckctl, u32 dpllctl);
  33 extern unsigned long omap1_sram_reprogram_clock_sz;
  34
  35 extern void omap24xx_sram_reprogram_clock(u32 ckctl, u32 dpllctl);
  36 extern unsigned long omap24xx_sram_reprogram_clock_sz;
  37
  38 extern void omap242x_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
  39                                                 u32 base_cs, u32 force_unlock);
  40 extern unsigned long omap242x_sram_ddr_init_sz;
  41
  42 extern u32 omap242x_sram_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val,
  43                                                 int bypass);
  44 extern unsigned long omap242x_sram_set_prcm_sz;
  45
  46 extern void omap242x_sram_reprogram_sdrc(u32 perf_level, u32 dll_val,
  47                                                 u32 mem_type);
  48 extern unsigned long omap242x_sram_reprogram_sdrc_sz;
  49
  50
  51 extern void omap243x_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
  52                                                 u32 base_cs, u32 force_unlock);
  53 extern unsigned long omap243x_sram_ddr_init_sz;
  54
  55 extern u32 omap243x_sram_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val,
  56                                                 int bypass);
  57 extern unsigned long omap243x_sram_set_prcm_sz;
  58
  59 extern void omap243x_sram_reprogram_sdrc(u32 perf_level, u32 dll_val,
  60                                                 u32 mem_type);
  61 extern unsigned long omap243x_sram_reprogram_sdrc_sz;
  62
  63 extern u32 omap3_sram_configure_core_dpll(
  64                         u32 m2, u32 unlock_dll, u32 f, u32 inc,
  65                         u32 sdrc_rfr_ctrl_0, u32 sdrc_actim_ctrl_a_0,
  66                         u32 sdrc_actim_ctrl_b_0, u32 sdrc_mr_0,
  67                         u32 sdrc_rfr_ctrl_1, u32 sdrc_actim_ctrl_a_1,
  68                         u32 sdrc_actim_ctrl_b_1, u32 sdrc_mr_1);
  69 extern unsigned long omap3_sram_configure_core_dpll_sz;
  70
  71 #ifdef CONFIG_PM
  72 extern void omap_push_sram_idle(void);
  73 #else
  74 static inline void omap_push_sram_idle(void) {}
  75 #endif /* CONFIG_PM */
  76
  77 #endif