xref: /openbmc/linux/arch/arm/mach-omap2/sram.h (revision 799fb82aa132fa3a3886b7872997a5a84e820062)
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
63