diff options
Diffstat (limited to 'arch/arm/mach-omap2/cm2xxx_3xxx.h')
| -rw-r--r-- | arch/arm/mach-omap2/cm2xxx_3xxx.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/cm2xxx_3xxx.h b/arch/arm/mach-omap2/cm2xxx_3xxx.h new file mode 100644 index 000000000000..5e9ea5bd60b9 --- /dev/null +++ b/arch/arm/mach-omap2/cm2xxx_3xxx.h @@ -0,0 +1,147 @@ +/* + * OMAP2/3 Clock Management (CM) register definitions + * + * Copyright (C) 2007-2009 Texas Instruments, Inc. + * Copyright (C) 2007-2010 Nokia Corporation + * Paul Walmsley + * + * 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. + * + * The CM hardware modules on the OMAP2/3 are quite similar to each + * other. The CM modules/instances on OMAP4 are quite different, so + * they are handled in a separate file. + */ +#ifndef __ARCH_ASM_MACH_OMAP2_CM2XXX_3XXX_H +#define __ARCH_ASM_MACH_OMAP2_CM2XXX_3XXX_H + +#include "prcm-common.h" + +#define OMAP2420_CM_REGADDR(module, reg) \ + OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE + (module) + (reg)) +#define OMAP2430_CM_REGADDR(module, reg) \ + OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE + (module) + (reg)) +#define OMAP34XX_CM_REGADDR(module, reg) \ + OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE + (module) + (reg)) + + +/* + * OMAP3-specific global CM registers + * Use cm_{read,write}_reg() with these registers. + * These registers appear once per CM module. + */ + +#define OMAP3430_CM_REVISION OMAP34XX_CM_REGADDR(OCP_MOD, 0x0000) +#define OMAP3430_CM_SYSCONFIG OMAP34XX_CM_REGADDR(OCP_MOD, 0x0010) +#define OMAP3430_CM_POLCTRL OMAP34XX_CM_REGADDR(OCP_MOD, 0x009c) + +#define OMAP3_CM_CLKOUT_CTRL_OFFSET 0x0070 +#define OMAP3430_CM_CLKOUT_CTRL OMAP_CM_REGADDR(OMAP3430_CCR_MOD, 0x0070) + +/* + * Module specific CM register offsets from CM_BASE + domain offset + * Use cm_{read,write}_mod_reg() with these registers. + * These register offsets generally appear in more than one PRCM submodule. + */ + +/* Common between OMAP2 and OMAP3 */ + +#define CM_FCLKEN 0x0000 +#define CM_FCLKEN1 CM_FCLKEN +#define CM_CLKEN CM_FCLKEN +#define CM_ICLKEN 0x0010 +#define CM_ICLKEN1 CM_ICLKEN +#define CM_ICLKEN2 0x0014 +#define CM_ICLKEN3 0x0018 +#define CM_IDLEST 0x0020 +#define CM_IDLEST1 CM_IDLEST +#define CM_IDLEST2 0x0024 +#define CM_AUTOIDLE 0x0030 +#define CM_AUTOIDLE1 CM_AUTOIDLE +#define CM_AUTOIDLE2 0x0034 +#define CM_AUTOIDLE3 0x0038 +#define CM_CLKSEL 0x0040 +#define CM_CLKSEL1 CM_CLKSEL +#define CM_CLKSEL2 0x0044 +#define OMAP2_CM_CLKSTCTRL 0x0048 + +/* OMAP2-specific register offsets */ + +#define OMAP24XX_CM_FCLKEN2 0x0004 +#define OMAP24XX_CM_ICLKEN4 0x001c +#define OMAP24XX_CM_AUTOIDLE4 0x003c + +#define OMAP2430_CM_IDLEST3 0x0028 + +/* OMAP3-specific register offsets */ + +#define OMAP3430_CM_CLKEN_PLL 0x0004 +#define OMAP3430ES2_CM_CLKEN2 0x0004 +#define OMAP3430ES2_CM_FCLKEN3 0x0008 +#define OMAP3430_CM_IDLEST_PLL CM_IDLEST2 +#define OMAP3430_CM_AUTOIDLE_PLL CM_AUTOIDLE2 +#define OMAP3430ES2_CM_AUTOIDLE2_PLL CM_AUTOIDLE2 +#define OMAP3430_CM_CLKSEL1 CM_CLKSEL +#define OMAP3430_CM_CLKSEL1_PLL CM_CLKSEL +#define OMAP3430_CM_CLKSEL2_PLL CM_CLKSEL2 +#define OMAP3430_CM_SLEEPDEP CM_CLKSEL2 +#define OMAP3430_CM_CLKSEL3 OMAP2_CM_CLKSTCTRL +#define OMAP3430_CM_CLKSTST 0x004c +#define OMAP3430ES2_CM_CLKSEL4 0x004c +#define OMAP3430ES2_CM_CLKSEL5 0x0050 +#define OMAP3430_CM_CLKSEL2_EMU 0x0050 +#define OMAP3430_CM_CLKSEL3_EMU 0x0054 + + +/* CM_IDLEST bit field values to indicate deasserted IdleReq */ + +#define OMAP24XX_CM_IDLEST_VAL 0 +#define OMAP34XX_CM_IDLEST_VAL 1 + + +/* Clock management domain register get/set */ + +#ifndef __ASSEMBLER__ + +extern u32 omap2_cm_read_mod_reg(s16 module, u16 idx); +extern void omap2_cm_write_mod_reg(u32 val, s16 module, u16 idx); +extern u32 omap2_cm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx); + +extern int omap2_cm_wait_module_ready(s16 prcm_mod, u8 idlest_id, + u8 idlest_shift); +extern u32 omap2_cm_set_mod_reg_bits(u32 bits, s16 module, s16 idx); +extern u32 omap2_cm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx); + +extern bool omap2_cm_is_clkdm_in_hwsup(s16 module, u32 mask); +extern void omap2xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask); +extern void omap2xxx_cm_clkdm_disable_hwsup(s16 module, u32 mask); + +extern void omap3xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask); +extern void omap3xxx_cm_clkdm_disable_hwsup(s16 module, u32 mask); +extern void omap3xxx_cm_clkdm_force_sleep(s16 module, u32 mask); +extern void omap3xxx_cm_clkdm_force_wakeup(s16 module, u32 mask); + +#endif + +/* CM register bits shared between 24XX and 3430 */ + +/* CM_CLKSEL_GFX */ +#define OMAP_CLKSEL_GFX_SHIFT 0 +#define OMAP_CLKSEL_GFX_MASK (0x7 << 0) + +/* CM_ICLKEN_GFX */ +#define OMAP_EN_GFX_SHIFT 0 +#define OMAP_EN_GFX_MASK (1 << 0) + +/* CM_IDLEST_GFX */ +#define OMAP_ST_GFX_MASK (1 << 0) + + +/* Function prototypes */ +# ifndef __ASSEMBLER__ +extern void omap3_cm_save_context(void); +extern void omap3_cm_restore_context(void); +# endif + +#endif |