xref: /linux/arch/arm/mach-omap2/sram.h (revision 0d456bad36d42d16022be045c8a53ddbb59ee478)
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
84