UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

ARM: OMAP3: PRM: add API for saving PRM scratchpad contents 

This isolates the PRM register access within the PRM driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
This commit is contained in:
Tero Kristo 2014-02-26 12:00:16 +02:00
parent 9efcea09b0
commit 7e28b465fd
3 changed files with 12 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
arch/arm/mach-omap2/control.c
View File

@ -44,8 +44,7 @@ struct omap3_scratchpad {
};
struct omap3_scratchpad_prcm_block {
u32 prm_clksrc_ctrl;
u32 prm_clksel;
u32 prm_contents[2];
u32 cm_contents[11];
u32 prcm_block_size;
};
@ -327,13 +326,7 @@ void omap3_save_scratchpad_contents(void)
scratchpad_contents.sdrc_block_offset = 0x64;
/* Populate the PRCM block contents */
prcm_block_contents.prm_clksrc_ctrl =
omap2_prm_read_mod_reg(OMAP3430_GR_MOD,
OMAP3_PRM_CLKSRC_CTRL_OFFSET);
prcm_block_contents.prm_clksel =
omap2_prm_read_mod_reg(OMAP3430_CCR_MOD,
OMAP3_PRM_CLKSEL_OFFSET);
omap3_prm_save_scratchpad_contents(prcm_block_contents.prm_contents);
omap3_cm_save_scratchpad_contents(prcm_block_contents.cm_contents);
prcm_block_contents.prcm_block_size = 0x0;

9
arch/arm/mach-omap2/prm3xxx.c
View File

@ -409,6 +409,15 @@ int omap3xxx_prm_clear_global_cold_reset(void)
return 0;
}
void omap3_prm_save_scratchpad_contents(u32 *ptr)
{
*ptr++ = omap2_prm_read_mod_reg(OMAP3430_GR_MOD,
OMAP3_PRM_CLKSRC_CTRL_OFFSET);
*ptr++ = omap2_prm_read_mod_reg(OMAP3430_GR_MOD,
OMAP3_PRM_CLKSEL_OFFSET);
}
/* Powerdomain low-level functions */
static int omap3_pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst)

1
arch/arm/mach-omap2/prm3xxx.h
View File

@ -166,6 +166,7 @@ int omap3xxx_prm_clear_mod_irqs(s16 module, u8 regs, u32 ignore_bits);
void omap3xxx_prm_iva_idle(void);
void omap3_prm_reset_modem(void);
int omap3xxx_prm_clear_global_cold_reset(void);
void omap3_prm_save_scratchpad_contents(u32 *ptr);
#endif /* __ASSEMBLER */