diff options
Diffstat (limited to 'arch/arm/plat-omap/sram.h')
| -rw-r--r-- | arch/arm/plat-omap/sram.h | 109 |
1 files changed, 105 insertions, 4 deletions
diff --git a/arch/arm/plat-omap/sram.h b/arch/arm/plat-omap/sram.h index 29b43ef97f20..cefda2e09869 100644 --- a/arch/arm/plat-omap/sram.h +++ b/arch/arm/plat-omap/sram.h @@ -1,6 +1,107 @@ -#ifndef __PLAT_OMAP_SRAM_H__ -#define __PLAT_OMAP_SRAM_H__ +/* + * arch/arm/plat-omap/include/mach/sram.h + * + * Interface for functions that need to be run in internal SRAM + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ -extern int __init omap_sram_init(void); +#ifndef __ARCH_ARM_OMAP_SRAM_H +#define __ARCH_ARM_OMAP_SRAM_H -#endif /* __PLAT_OMAP_SRAM_H__ */ +#ifndef __ASSEMBLY__ +#include <asm/fncpy.h> + +int __init omap_sram_init(void); + +extern void *omap_sram_push_address(unsigned long size); + +/* Macro to push a function to the internal SRAM, using the fncpy API */ +#define omap_sram_push(funcp, size) ({ \ + typeof(&(funcp)) _res = NULL; \ + void *_sram_address = omap_sram_push_address(size); \ + if (_sram_address) \ + _res = fncpy(_sram_address, &(funcp), size); \ + _res; \ +}) + +extern void omap_sram_reprogram_clock(u32 dpllctl, u32 ckctl); + +extern void omap2_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl, + u32 base_cs, u32 force_unlock); +extern void omap2_sram_reprogram_sdrc(u32 perf_level, u32 dll_val, + u32 mem_type); +extern u32 omap2_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass); + +extern u32 omap3_configure_core_dpll( + u32 m2, u32 unlock_dll, u32 f, u32 inc, + u32 sdrc_rfr_ctrl_0, u32 sdrc_actim_ctrl_a_0, + u32 sdrc_actim_ctrl_b_0, u32 sdrc_mr_0, + u32 sdrc_rfr_ctrl_1, u32 sdrc_actim_ctrl_a_1, + u32 sdrc_actim_ctrl_b_1, u32 sdrc_mr_1); +extern void omap3_sram_restore_context(void); + +/* Do not use these */ +extern void omap1_sram_reprogram_clock(u32 ckctl, u32 dpllctl); +extern unsigned long omap1_sram_reprogram_clock_sz; + +extern void omap24xx_sram_reprogram_clock(u32 ckctl, u32 dpllctl); +extern unsigned long omap24xx_sram_reprogram_clock_sz; + +extern void omap242x_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl, + u32 base_cs, u32 force_unlock); +extern unsigned long omap242x_sram_ddr_init_sz; + +extern u32 omap242x_sram_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val, + int bypass); +extern unsigned long omap242x_sram_set_prcm_sz; + +extern void omap242x_sram_reprogram_sdrc(u32 perf_level, u32 dll_val, + u32 mem_type); +extern unsigned long omap242x_sram_reprogram_sdrc_sz; + + +extern void omap243x_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl, + u32 base_cs, u32 force_unlock); +extern unsigned long omap243x_sram_ddr_init_sz; + +extern u32 omap243x_sram_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val, + int bypass); +extern unsigned long omap243x_sram_set_prcm_sz; + +extern void omap243x_sram_reprogram_sdrc(u32 perf_level, u32 dll_val, + u32 mem_type); +extern unsigned long omap243x_sram_reprogram_sdrc_sz; + +extern u32 omap3_sram_configure_core_dpll( + u32 m2, u32 unlock_dll, u32 f, u32 inc, + u32 sdrc_rfr_ctrl_0, u32 sdrc_actim_ctrl_a_0, + u32 sdrc_actim_ctrl_b_0, u32 sdrc_mr_0, + u32 sdrc_rfr_ctrl_1, u32 sdrc_actim_ctrl_a_1, + u32 sdrc_actim_ctrl_b_1, u32 sdrc_mr_1); +extern unsigned long omap3_sram_configure_core_dpll_sz; + +#ifdef CONFIG_PM +extern void omap_push_sram_idle(void); +#else +static inline void omap_push_sram_idle(void) {} +#endif /* CONFIG_PM */ + +#endif /* __ASSEMBLY__ */ + +/* + * OMAP2+: define the SRAM PA addresses. + * Used by the SRAM management code and the idle sleep code. + */ +#define OMAP2_SRAM_PA 0x40200000 +#define OMAP3_SRAM_PA 0x40200000 +#ifdef CONFIG_OMAP4_ERRATA_I688 +#define OMAP4_SRAM_PA 0x40304000 +#define OMAP4_SRAM_VA 0xfe404000 +#else +#define OMAP4_SRAM_PA 0x40300000 +#endif +#define AM33XX_SRAM_PA 0x40300000 +#endif |