Signed-off-by: Alexander Holler holler@ahsoftware.de --- arch/arm/cpu/armv7/omap3/clock.c | 20 ++++++++++++++++++ arch/arm/cpu/armv7/omap3/lowlevel_init.S | 22 ++++++++++++++++++++ arch/arm/include/asm/arch-omap3/clocks.h | 1 + arch/arm/include/asm/arch-omap3/clocks_omap3.h | 26 ++++++++++++++++++++++++ arch/arm/include/asm/arch-omap3/cpu.h | 21 ++++++++++++++---- 5 files changed, 85 insertions(+), 5 deletions(-)
diff --git a/arch/arm/cpu/armv7/omap3/clock.c b/arch/arm/cpu/armv7/omap3/clock.c index 2238c52..3d38d08 100644 --- a/arch/arm/cpu/armv7/omap3/clock.c +++ b/arch/arm/cpu/armv7/omap3/clock.c @@ -278,6 +278,25 @@ static void dpll4_init_34xx(u32 sil_index, u32 clk_index) wait_on_value(ST_PERIPH_CLK, 2, &prcm_base->idlest_ckgen, LDELAY); }
+static void dpll5_init_34xx(u32 sil_index, u32 clk_index) +{ + struct prcm *prcm_base = (struct prcm *)PRCM_BASE; + dpll_param *ptr = (dpll_param *) get_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->clken_pll, 4, 4, ptr->fsel); /* FREQSEL */ + 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_34xx(u32 sil_index, u32 clk_index) { struct prcm *prcm_base = (struct prcm *)PRCM_BASE; @@ -587,6 +606,7 @@ void prcm_init(void)
dpll3_init_34xx(sil_index, clk_index); dpll4_init_34xx(sil_index, clk_index); + dpll5_init_34xx(sil_index, clk_index); iva_init_34xx(sil_index, clk_index); mpu_init_34xx(sil_index, clk_index);
diff --git a/arch/arm/cpu/armv7/omap3/lowlevel_init.S b/arch/arm/cpu/armv7/omap3/lowlevel_init.S index 109481e..1458072 100644 --- a/arch/arm/cpu/armv7/omap3/lowlevel_init.S +++ b/arch/arm/cpu/armv7/omap3/lowlevel_init.S @@ -360,6 +360,28 @@ get_per_dpll_param: adr r0, per_dpll_param mov pc, lr
+/* PER2 DPLL values */ +per2_dpll_param: +/* 12MHz */ +.word PER2_M_12, PER2_N_12, PER2_FSEL_12, PER2_M2_12 + +/* 13MHz */ +.word PER2_M_13, PER2_N_13, PER2_FSEL_13, PER2_M2_13 + +/* 19.2MHz */ +.word PER2_M_19P2, PER2_N_19P2, PER2_FSEL_19P2, PER2_M2_19P2 + +/* 26MHz */ +.word PER2_M_26, PER2_N_26, PER2_FSEL_26, PER2_M2_26 + +/* 38.4MHz */ +.word PER2_M_38P4, PER2_N_38P4, PER2_FSEL_38P4, PER2_M2_38P4 + +.globl get_per2_dpll_param +get_per2_dpll_param: + adr r0, per2_dpll_param + mov pc, lr + /* * Tables for 36XX/37XX devices * diff --git a/arch/arm/include/asm/arch-omap3/clocks.h b/arch/arm/include/asm/arch-omap3/clocks.h index 40f80ba..bed0002 100644 --- a/arch/arm/include/asm/arch-omap3/clocks.h +++ b/arch/arm/include/asm/arch-omap3/clocks.h @@ -68,6 +68,7 @@ extern dpll_param *get_mpu_dpll_param(void); extern dpll_param *get_iva_dpll_param(void); extern dpll_param *get_core_dpll_param(void); extern dpll_param *get_per_dpll_param(void); +extern dpll_param *get_per2_dpll_param(void);
extern dpll_param *get_36x_mpu_dpll_param(void); extern dpll_param *get_36x_iva_dpll_param(void); diff --git a/arch/arm/include/asm/arch-omap3/clocks_omap3.h b/arch/arm/include/asm/arch-omap3/clocks_omap3.h index 30ef690..ef600dd 100644 --- a/arch/arm/include/asm/arch-omap3/clocks_omap3.h +++ b/arch/arm/include/asm/arch-omap3/clocks_omap3.h @@ -282,6 +282,32 @@ #define PER_FSEL_38P4 0x07 #define PER_M2_38P4 0x09
+/* PER2 DPLL */ +#define PER2_M_12 0x78 +#define PER2_N_12 0x0B +#define PER2_FSEL_12 0x03 +#define PER2_M2_12 0x01 + +#define PER2_M_13 0x78 +#define PER2_N_13 0x0C +#define PER2_FSEL_13 0x03 +#define PER2_M2_13 0x01 + +#define PER2_M_19P2 0x2EE +#define PER2_N_19P2 0x0B +#define PER2_FSEL_19P2 0x06 +#define PER2_M2_19P2 0x0A + +#define PER2_M_26 0x78 +#define PER2_N_26 0x0C +#define PER2_FSEL_26 0x03 +#define PER2_M2_26 0x01 + +#define PER2_M_38P4 0x2EE +#define PER2_N_38P4 0x0B +#define PER2_FSEL_38P4 0x06 +#define PER2_M2_38P4 0x0A + /* 36XX PER DPLL */
#define PER_36XX_M_12 0x1B0 diff --git a/arch/arm/include/asm/arch-omap3/cpu.h b/arch/arm/include/asm/arch-omap3/cpu.h index 962d6d4..e944de7 100644 --- a/arch/arm/include/asm/arch-omap3/cpu.h +++ b/arch/arm/include/asm/arch-omap3/cpu.h @@ -347,10 +347,13 @@ struct prcm { u32 clksel2_pll_mpu; /* 0x944 */ u8 res6[0xb8]; u32 fclken1_core; /* 0xa00 */ - u8 res7[0xc]; + u32 res_fclken2_core; + u32 fclken3_core; /* 0xa08 */ + u8 res7[0x4]; u32 iclken1_core; /* 0xa10 */ u32 iclken2_core; /* 0xa14 */ - u8 res8[0x28]; + u32 iclken3_core; /* 0xa18 */ + u8 res8[0x24]; u32 clksel_core; /* 0xa40 */ u8 res9[0xbc]; u32 fclken_gfx; /* 0xb00 */ @@ -368,13 +371,17 @@ struct prcm { u32 clksel_wkup; /* 0xc40 */ u8 res16[0xbc]; u32 clken_pll; /* 0xd00 */ - u8 res17[0x1c]; + u32 clken2_pll; /* 0xd04 */ + u8 res17[0x18]; u32 idlest_ckgen; /* 0xd20 */ - u8 res18[0x1c]; + u32 idlest2_ckgen; /* 0xd24 */ + u8 res18[0x18]; u32 clksel1_pll; /* 0xd40 */ u32 clksel2_pll; /* 0xd44 */ u32 clksel3_pll; /* 0xd48 */ - u8 res19[0xb4]; + u32 clksel4_pll; /* 0xd4c */ + u32 clksel5_pll; /* 0xd50 */ + u8 res19[0xac]; u32 fclken_dss; /* 0xe00 */ u8 res20[0xc]; u32 iclken_dss; /* 0xe10 */ @@ -394,6 +401,10 @@ struct prcm { u32 clksel_per; /* 0x1040 */ u8 res28[0xfc]; u32 clksel1_emu; /* 0x1140 */ + u8 res29[0x2bc]; + u32 fclken_usbhost; /* 0x1400 */ + u8 res30[0xc]; + u32 iclken_usbhost; /* 0x1410 */ }; #else /* __ASSEMBLY__ */ #define CM_CLKSEL_CORE 0x48004a40