xref: /linux/arch/arm/mach-omap2/sram.h (revision cf21f328fcafacf4f96e7a30ef9dceede1076378)
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 extern void omap242x_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
21 						u32 base_cs, u32 force_unlock);
22 extern unsigned long omap242x_sram_ddr_init_sz;
23 
24 extern u32 omap242x_sram_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val,
25 						int bypass);
26 extern unsigned long omap242x_sram_set_prcm_sz;
27 
28 extern void omap242x_sram_reprogram_sdrc(u32 perf_level, u32 dll_val,
29 						u32 mem_type);
30 extern unsigned long omap242x_sram_reprogram_sdrc_sz;
31 
32 
33 extern void omap243x_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
34 						u32 base_cs, u32 force_unlock);
35 extern unsigned long omap243x_sram_ddr_init_sz;
36 
37 extern u32 omap243x_sram_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val,
38 						int bypass);
39 extern unsigned long omap243x_sram_set_prcm_sz;
40 
41 extern void omap243x_sram_reprogram_sdrc(u32 perf_level, u32 dll_val,
42 						u32 mem_type);
43 extern unsigned long omap243x_sram_reprogram_sdrc_sz;
44 
45 #ifdef CONFIG_PM
46 extern void omap_push_sram_idle(void);
47 #else
48 static inline void omap_push_sram_idle(void) {}
49 #endif /* CONFIG_PM */
50 
51 #endif /* __ASSEMBLY__ */
52 
53 /*
54  * OMAP2+: define the SRAM PA addresses.
55  * Used by the SRAM management code and the idle sleep code.
56  */
57 #define OMAP2_SRAM_PA		0x40200000
58 #define OMAP3_SRAM_PA           0x40200000
59