diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/cpu/armv7/omap3/clock.c | 20 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/omap3/lowlevel_init.S | 18 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-omap3/clock.h | 1 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-omap3/clocks_omap3.h | 22 |
4 files changed, 60 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv7/omap3/clock.c b/arch/arm/cpu/armv7/omap3/clock.c index 3acbc9c..e903ed9 100644 --- a/arch/arm/cpu/armv7/omap3/clock.c +++ b/arch/arm/cpu/armv7/omap3/clock.c @@ -478,6 +478,24 @@ static void dpll4_init_36xx(u32 sil_index, u32 clk_index) wait_on_value(ST_PERIPH_CLK, 2, &prcm_base->idlest_ckgen, LDELAY); } +static void dpll5_init_36xx(u32 sil_index, u32 clk_index) +{ + struct prcm *prcm_base = (struct prcm *)PRCM_BASE; + dpll_param *ptr = (dpll_param *) get_36x_per2_dpll_param(); + + /* Moving it to the right sysclk base */ + ptr = ptr + clk_index; + + /* PER2 DPLL (DPLL5) */ + sr32(&prcm_base->clken2_pll, 0, 3, PLL_STOP); + wait_on_value(1, 0, &prcm_base->idlest2_ckgen, LDELAY); + sr32(&prcm_base->clksel5_pll, 0, 5, ptr->m2); /* set M2 (usbtll_fck) */ + sr32(&prcm_base->clksel4_pll, 8, 11, ptr->m); /* set m (11-bit multiplier) */ + sr32(&prcm_base->clksel4_pll, 0, 7, ptr->n); /* set n (7-bit divider)*/ + sr32(&prcm_base->clken2_pll, 0, 3, PLL_LOCK); /* lock mode */ + wait_on_value(1, 1, &prcm_base->idlest2_ckgen, LDELAY); +} + static void mpu_init_36xx(u32 sil_index, u32 clk_index) { struct prcm *prcm_base = (struct prcm *)PRCM_BASE; @@ -582,7 +600,7 @@ void prcm_init(void) dpll3_init_36xx(0, clk_index); dpll4_init_36xx(0, clk_index); - dpll5_init_34xx(0, clk_index); + dpll5_init_36xx(0, clk_index); iva_init_36xx(0, clk_index); mpu_init_36xx(0, clk_index); diff --git a/arch/arm/cpu/armv7/omap3/lowlevel_init.S b/arch/arm/cpu/armv7/omap3/lowlevel_init.S index bdf74ea..98c3c03 100644 --- a/arch/arm/cpu/armv7/omap3/lowlevel_init.S +++ b/arch/arm/cpu/armv7/omap3/lowlevel_init.S @@ -464,6 +464,19 @@ per_36x_dpll_param: .word 26000, 432, 12, 9, 16, 9, 4, 3, 1 .word 38400, 360, 15, 9, 16, 5, 4, 3, 1 +per2_36x_dpll_param: +/* 12MHz */ +.word PER2_36XX_M_12, PER2_36XX_N_12, 0, PER2_36XX_M2_12 +/* 13MHz */ +.word PER2_36XX_M_13, PER2_36XX_N_13, 0, PER2_36XX_M2_13 +/* 19.2MHz */ +.word PER2_36XX_M_19P2, PER2_36XX_N_19P2, 0, PER2_36XX_M2_19P2 +/* 26MHz */ +.word PER2_36XX_M_26, PER2_36XX_N_26, 0, PER2_36XX_M2_26 +/* 38.4MHz */ +.word PER2_36XX_M_38P4, PER2_36XX_N_38P4, 0, PER2_36XX_M2_38P4 + + ENTRY(get_36x_mpu_dpll_param) adr r0, mpu_36x_dpll_param mov pc, lr @@ -483,3 +496,8 @@ ENTRY(get_36x_per_dpll_param) adr r0, per_36x_dpll_param mov pc, lr ENDPROC(get_36x_per_dpll_param) + +ENTRY(get_36x_per2_dpll_param) + adr r0, per2_36x_dpll_param + mov pc, lr +ENDPROC(get_36x_per2_dpll_param) diff --git a/arch/arm/include/asm/arch-omap3/clock.h b/arch/arm/include/asm/arch-omap3/clock.h index da776cf..514839c 100644 --- a/arch/arm/include/asm/arch-omap3/clock.h +++ b/arch/arm/include/asm/arch-omap3/clock.h @@ -61,6 +61,7 @@ extern dpll_param *get_36x_mpu_dpll_param(void); extern dpll_param *get_36x_iva_dpll_param(void); extern dpll_param *get_36x_core_dpll_param(void); extern dpll_param *get_36x_per_dpll_param(void); +extern dpll_param *get_36x_per2_dpll_param(void); extern void *_end_vect, *_start; diff --git a/arch/arm/include/asm/arch-omap3/clocks_omap3.h b/arch/arm/include/asm/arch-omap3/clocks_omap3.h index bf7fa00..df73c4b 100644 --- a/arch/arm/include/asm/arch-omap3/clocks_omap3.h +++ b/arch/arm/include/asm/arch-omap3/clocks_omap3.h @@ -323,4 +323,26 @@ #define PER_36XX_FSEL_38P4 0x07 #define PER_36XX_M2_38P4 0x09 +/* 36XX PER2 DPLL */ + +#define PER2_36XX_M_12 0x50 +#define PER2_36XX_N_12 0x00 +#define PER2_36XX_M2_12 0x08 + +#define PER2_36XX_M_13 0x1BB +#define PER2_36XX_N_13 0x05 +#define PER2_36XX_M2_13 0x08 + +#define PER2_36XX_M_19P2 0x32 +#define PER2_36XX_N_19P2 0x00 +#define PER2_36XX_M2_19P2 0x08 + +#define PER2_36XX_M_26 0x1BB +#define PER2_36XX_N_26 0x0B +#define PER2_36XX_M2_26 0x08 + +#define PER2_36XX_M_38P4 0x19 +#define PER2_36XX_N_38P4 0x00 +#define PER2_36XX_M2_38P4 0x08 + #endif /* endif _CLOCKS_OMAP3_H_ */ |