arch/arm/mach-omap2/sram.h

   1 /*
   2  * Interface for functions that need to be run in internal SRAM
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  */
   8
   9 #ifndef __ASSEMBLY__
  10 #include <plat/sram.h>
  11
  12 extern void omap2_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
  13                                 u32 base_cs, u32 force_unlock);
  14 extern void omap2_sram_reprogram_sdrc(u32 perf_level, u32 dll_val,
  15                                       u32 mem_type);
  16 extern u32 omap2_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass);
  17
  18 extern u32 omap3_configure_core_dpll(
  19                         u32 m2, u32 unlock_dll, u32 f, u32 inc,
  20                         u32 sdrc_rfr_ctrl_0, u32 sdrc_actim_ctrl_a_0,
  21                         u32 sdrc_actim_ctrl_b_0, u32 sdrc_mr_0,
  22                         u32 sdrc_rfr_ctrl_1, u32 sdrc_actim_ctrl_a_1,
  23                         u32 sdrc_actim_ctrl_b_1, u32 sdrc_mr_1);
  24 extern void omap3_sram_restore_context(void);
  25
  26 /* Do not use these */
  27 extern void omap24xx_sram_reprogram_clock(u32 ckctl, u32 dpllctl);
  28 extern unsigned long omap24xx_sram_reprogram_clock_sz;
  29
  30 extern void omap242x_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
  31                                                 u32 base_cs, u32 force_unlock);
  32 extern unsigned long omap242x_sram_ddr_init_sz;
  33
  34 extern u32 omap242x_sram_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val,
  35                                                 int bypass);
  36 extern unsigned long omap242x_sram_set_prcm_sz;
  37
  38 extern void omap242x_sram_reprogram_sdrc(u32 perf_level, u32 dll_val,
  39                                                 u32 mem_type);
  40 extern unsigned long omap242x_sram_reprogram_sdrc_sz;
  41
  42
  43 extern void omap243x_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
  44                                                 u32 base_cs, u32 force_unlock);
  45 extern unsigned long omap243x_sram_ddr_init_sz;
  46
  47 extern u32 omap243x_sram_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val,
  48                                                 int bypass);
  49 extern unsigned long omap243x_sram_set_prcm_sz;
  50
  51 extern void omap243x_sram_reprogram_sdrc(u32 perf_level, u32 dll_val,
  52                                                 u32 mem_type);
  53 extern unsigned long omap243x_sram_reprogram_sdrc_sz;
  54
  55 extern u32 omap3_sram_configure_core_dpll(
  56                         u32 m2, u32 unlock_dll, u32 f, u32 inc,
  57                         u32 sdrc_rfr_ctrl_0, u32 sdrc_actim_ctrl_a_0,
  58                         u32 sdrc_actim_ctrl_b_0, u32 sdrc_mr_0,
  59                         u32 sdrc_rfr_ctrl_1, u32 sdrc_actim_ctrl_a_1,
  60                         u32 sdrc_actim_ctrl_b_1, u32 sdrc_mr_1);
  61 extern unsigned long omap3_sram_configure_core_dpll_sz;
  62
  63 #ifdef CONFIG_PM
  64 extern void omap_push_sram_idle(void);
  65 #else
  66 static inline void omap_push_sram_idle(void) {}
  67 #endif /* CONFIG_PM */
  68
  69 #endif /* __ASSEMBLY__ */
  70
  71 /*
  72  * OMAP2+: define the SRAM PA addresses.
  73  * Used by the SRAM management code and the idle sleep code.
  74  */
  75 #define OMAP2_SRAM_PA           0x40200000
  76 #define OMAP3_SRAM_PA           0x40200000
  77 #ifdef CONFIG_OMAP4_ERRATA_I688
  78 #define OMAP4_SRAM_PA           0x40304000
  79 #define OMAP4_SRAM_VA           0xfe404000
  80 #else
  81 #define OMAP4_SRAM_PA           0x40300000
  82 #endif
  83 #define AM33XX_SRAM_PA          0x40300000