omap4: add clock support

Add support for:
1. DPLL locking
2. Initialization of clock domains and clock modules
3. Setting up the right voltage on voltage rails

This work draws upon previous work done for x-loader by:
	Santosh Shilimkar <santosh.shilimkar@ti.com>
	Rajendra Nayak <rnayak@ti.com>

Signed-off-by: Aneesh V <aneesh@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
master
Aneesh V 13 years ago committed by U-Boot
parent ad577c8a48
commit 3776801d0a
  1. 1
      arch/arm/cpu/armv7/omap4/Makefile
  2. 1
      arch/arm/cpu/armv7/omap4/board.c
  3. 809
      arch/arm/cpu/armv7/omap4/clocks.c
  4. 664
      arch/arm/include/asm/arch-omap4/clocks.h
  5. 8
      arch/arm/include/asm/arch-omap4/sys_proto.h
  6. 3
      arch/arm/include/asm/omap_common.h
  7. 197
      tools/omap/clocks_get_m_n.c

@ -28,6 +28,7 @@ LIB = $(obj)lib$(SOC).o
SOBJS += lowlevel_init.o
COBJS += board.o
COBJS += clocks.o
COBJS += mem.o
COBJS += sys_info.o

@ -154,6 +154,7 @@ void s_init(void)
init_omap4_revision();
watchdog_init();
set_mux_conf_regs();
prcm_init();
}
/*

@ -0,0 +1,809 @@
/*
*
* Clock initialization for OMAP4
*
* (C) Copyright 2010
* Texas Instruments, <www.ti.com>
*
* Aneesh V <aneesh@ti.com>
*
* Based on previous work by:
* Santosh Shilimkar <santosh.shilimkar@ti.com>
* Rajendra Nayak <rnayak@ti.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <asm/omap_common.h>
#include <asm/arch/clocks.h>
#include <asm/arch/sys_proto.h>
#include <asm/utils.h>
#ifndef CONFIG_SPL_BUILD
/*
* printing to console doesn't work unless
* this code is executed from SPL
*/
#define printf(fmt, args...)
#define puts(s)
#endif
#define abs(x) (((x) < 0) ? ((x)*-1) : (x))
struct omap4_prcm_regs *const prcm = (struct omap4_prcm_regs *)0x4A004100;
static const u32 sys_clk_array[8] = {
12000000, /* 12 MHz */
13000000, /* 13 MHz */
16800000, /* 16.8 MHz */
19200000, /* 19.2 MHz */
26000000, /* 26 MHz */
27000000, /* 27 MHz */
38400000, /* 38.4 MHz */
};
/*
* The M & N values in the following tables are created using the
* following tool:
* tools/omap/clocks_get_m_n.c
* Please use this tool for creating the table for any new frequency.
*/
/* dpll locked at 1584 MHz - MPU clk at 792 MHz(OPP Turbo) */
static const struct dpll_params mpu_dpll_params_1584mhz[NUM_SYS_CLKS] = {
{66, 0, 1, -1, -1, -1, -1, -1}, /* 12 MHz */
{792, 12, 1, -1, -1, -1, -1, -1}, /* 13 MHz */
{330, 6, 1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
{165, 3, 1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
{396, 12, 1, -1, -1, -1, -1, -1}, /* 26 MHz */
{88, 2, 1, -1, -1, -1, -1, -1}, /* 27 MHz */
{165, 7, 1, -1, -1, -1, -1, -1} /* 38.4 MHz */
};
/* dpll locked at 1200 MHz - MPU clk at 600 MHz */
static const struct dpll_params mpu_dpll_params_1200mhz[NUM_SYS_CLKS] = {
{50, 0, 1, -1, -1, -1, -1, -1}, /* 12 MHz */
{600, 12, 1, -1, -1, -1, -1, -1}, /* 13 MHz */
{250, 6, 1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
{125, 3, 1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
{300, 12, 1, -1, -1, -1, -1, -1}, /* 26 MHz */
{200, 8, 1, -1, -1, -1, -1, -1}, /* 27 MHz */
{125, 7, 1, -1, -1, -1, -1, -1} /* 38.4 MHz */
};
static const struct dpll_params core_dpll_params_1600mhz[NUM_SYS_CLKS] = {
{200, 2, 1, 5, 8, 4, 6, 5}, /* 12 MHz */
{800, 12, 1, 5, 8, 4, 6, 5}, /* 13 MHz */
{619, 12, 1, 5, 8, 4, 6, 5}, /* 16.8 MHz */
{125, 2, 1, 5, 8, 4, 6, 5}, /* 19.2 MHz */
{400, 12, 1, 5, 8, 4, 6, 5}, /* 26 MHz */
{800, 26, 1, 5, 8, 4, 6, 5}, /* 27 MHz */
{125, 5, 1, 5, 8, 4, 6, 5} /* 38.4 MHz */
};
static const struct dpll_params core_dpll_params_es1_1524mhz[NUM_SYS_CLKS] = {
{127, 1, 1, 5, 8, 4, 6, 5}, /* 12 MHz */
{762, 12, 1, 5, 8, 4, 6, 5}, /* 13 MHz */
{635, 13, 1, 5, 8, 4, 6, 5}, /* 16.8 MHz */
{635, 15, 1, 5, 8, 4, 6, 5}, /* 19.2 MHz */
{381, 12, 1, 5, 8, 4, 6, 5}, /* 26 MHz */
{254, 8, 1, 5, 8, 4, 6, 5}, /* 27 MHz */
{496, 24, 1, 5, 8, 4, 6, 5} /* 38.4 MHz */
};
static const struct dpll_params
core_dpll_params_es2_1600mhz_ddr200mhz[NUM_SYS_CLKS] = {
{200, 2, 2, 5, 8, 4, 6, 5}, /* 12 MHz */
{800, 12, 2, 5, 8, 4, 6, 5}, /* 13 MHz */
{619, 12, 2, 5, 8, 4, 6, 5}, /* 16.8 MHz */
{125, 2, 2, 5, 8, 4, 6, 5}, /* 19.2 MHz */
{400, 12, 2, 5, 8, 4, 6, 5}, /* 26 MHz */
{800, 26, 2, 5, 8, 4, 6, 5}, /* 27 MHz */
{125, 5, 2, 5, 8, 4, 6, 5} /* 38.4 MHz */
};
static const struct dpll_params per_dpll_params_1536mhz[NUM_SYS_CLKS] = {
{64, 0, 8, 6, 12, 9, 4, 5}, /* 12 MHz */
{768, 12, 8, 6, 12, 9, 4, 5}, /* 13 MHz */
{320, 6, 8, 6, 12, 9, 4, 5}, /* 16.8 MHz */
{40, 0, 8, 6, 12, 9, 4, 5}, /* 19.2 MHz */
{384, 12, 8, 6, 12, 9, 4, 5}, /* 26 MHz */
{256, 8, 8, 6, 12, 9, 4, 5}, /* 27 MHz */
{20, 0, 8, 6, 12, 9, 4, 5} /* 38.4 MHz */
};
static const struct dpll_params iva_dpll_params_1862mhz[NUM_SYS_CLKS] = {
{931, 11, -1, -1, 4, 7, -1, -1}, /* 12 MHz */
{931, 12, -1, -1, 4, 7, -1, -1}, /* 13 MHz */
{665, 11, -1, -1, 4, 7, -1, -1}, /* 16.8 MHz */
{727, 14, -1, -1, 4, 7, -1, -1}, /* 19.2 MHz */
{931, 25, -1, -1, 4, 7, -1, -1}, /* 26 MHz */
{931, 26, -1, -1, 4, 7, -1, -1}, /* 27 MHz */
{412, 16, -1, -1, 4, 7, -1, -1} /* 38.4 MHz */
};
/* ABE M & N values with sys_clk as source */
static const struct dpll_params
abe_dpll_params_sysclk_196608khz[NUM_SYS_CLKS] = {
{49, 5, 1, 1, -1, -1, -1, -1}, /* 12 MHz */
{68, 8, 1, 1, -1, -1, -1, -1}, /* 13 MHz */
{35, 5, 1, 1, -1, -1, -1, -1}, /* 16.8 MHz */
{46, 8, 1, 1, -1, -1, -1, -1}, /* 19.2 MHz */
{34, 8, 1, 1, -1, -1, -1, -1}, /* 26 MHz */
{29, 7, 1, 1, -1, -1, -1, -1}, /* 27 MHz */
{64, 24, 1, 1, -1, -1, -1, -1} /* 38.4 MHz */
};
/* ABE M & N values with 32K clock as source */
static const struct dpll_params abe_dpll_params_32k_196608khz = {
750, 0, 1, 1, -1, -1, -1, -1
};
static const struct dpll_params usb_dpll_params_1920mhz[NUM_SYS_CLKS] = {
{80, 0, 2, -1, -1, -1, -1, -1}, /* 12 MHz */
{960, 12, 2, -1, -1, -1, -1, -1}, /* 13 MHz */
{400, 6, 2, -1, -1, -1, -1, -1}, /* 16.8 MHz */
{50, 0, 2, -1, -1, -1, -1, -1}, /* 19.2 MHz */
{480, 12, 2, -1, -1, -1, -1, -1}, /* 26 MHz */
{320, 8, 2, -1, -1, -1, -1, -1}, /* 27 MHz */
{25, 0, 2, -1, -1, -1, -1, -1} /* 38.4 MHz */
};
static inline u32 __get_sys_clk_index(void)
{
u32 ind;
/*
* For ES1 the ROM code calibration of sys clock is not reliable
* due to hw issue. So, use hard-coded value. If this value is not
* correct for any board over-ride this function in board file
* From ES2.0 onwards you will get this information from
* CM_SYS_CLKSEL
*/
if (omap_revision() == OMAP4430_ES1_0)
ind = OMAP_SYS_CLK_IND_38_4_MHZ;
else {
/* SYS_CLKSEL - 1 to match the dpll param array indices */
ind = (readl(&prcm->cm_sys_clksel) &
CM_SYS_CLKSEL_SYS_CLKSEL_MASK) - 1;
}
return ind;
}
u32 get_sys_clk_index(void)
__attribute__ ((weak, alias("__get_sys_clk_index")));
u32 get_sys_clk_freq(void)
{
u8 index = get_sys_clk_index();
return sys_clk_array[index];
}
static inline void do_bypass_dpll(u32 *const base)
{
struct dpll_regs *dpll_regs = (struct dpll_regs *)base;
clrsetbits_le32(&dpll_regs->cm_clkmode_dpll,
CM_CLKMODE_DPLL_DPLL_EN_MASK,
DPLL_EN_FAST_RELOCK_BYPASS <<
CM_CLKMODE_DPLL_EN_SHIFT);
}
static inline void wait_for_bypass(u32 *const base)
{
struct dpll_regs *const dpll_regs = (struct dpll_regs *)base;
if (!wait_on_value(ST_DPLL_CLK_MASK, 0, &dpll_regs->cm_idlest_dpll,
LDELAY)) {
printf("Bypassing DPLL failed %p\n", base);
}
}
static inline void do_lock_dpll(u32 *const base)
{
struct dpll_regs *const dpll_regs = (struct dpll_regs *)base;
clrsetbits_le32(&dpll_regs->cm_clkmode_dpll,
CM_CLKMODE_DPLL_DPLL_EN_MASK,
DPLL_EN_LOCK << CM_CLKMODE_DPLL_EN_SHIFT);
}
static inline void wait_for_lock(u32 *const base)
{
struct dpll_regs *const dpll_regs = (struct dpll_regs *)base;
if (!wait_on_value(ST_DPLL_CLK_MASK, ST_DPLL_CLK_MASK,
&dpll_regs->cm_idlest_dpll, LDELAY)) {
printf("DPLL locking failed for %p\n", base);
hang();
}
}
static void do_setup_dpll(u32 *const base, const struct dpll_params *params,
u8 lock)
{
u32 temp;
struct dpll_regs *const dpll_regs = (struct dpll_regs *)base;
bypass_dpll(base);
/* Set M & N */
temp = readl(&dpll_regs->cm_clksel_dpll);
temp &= ~CM_CLKSEL_DPLL_M_MASK;
temp |= (params->m << CM_CLKSEL_DPLL_M_SHIFT) & CM_CLKSEL_DPLL_M_MASK;
temp &= ~CM_CLKSEL_DPLL_N_MASK;
temp |= (params->n << CM_CLKSEL_DPLL_N_SHIFT) & CM_CLKSEL_DPLL_N_MASK;
writel(temp, &dpll_regs->cm_clksel_dpll);
/* Lock */
if (lock)
do_lock_dpll(base);
/* Setup post-dividers */
if (params->m2 >= 0)
writel(params->m2, &dpll_regs->cm_div_m2_dpll);
if (params->m3 >= 0)
writel(params->m3, &dpll_regs->cm_div_m3_dpll);
if (params->m4 >= 0)
writel(params->m4, &dpll_regs->cm_div_m4_dpll);
if (params->m5 >= 0)
writel(params->m5, &dpll_regs->cm_div_m5_dpll);
if (params->m6 >= 0)
writel(params->m6, &dpll_regs->cm_div_m6_dpll);
if (params->m7 >= 0)
writel(params->m7, &dpll_regs->cm_div_m7_dpll);
/* Wait till the DPLL locks */
if (lock)
wait_for_lock(base);
}
const struct dpll_params *get_core_dpll_params(void)
{
u32 sysclk_ind = get_sys_clk_index();
switch (omap_revision()) {
case OMAP4430_ES1_0:
return &core_dpll_params_es1_1524mhz[sysclk_ind];
case OMAP4430_ES2_0:
case OMAP4430_SILICON_ID_INVALID:
/* safest */
return &core_dpll_params_es2_1600mhz_ddr200mhz[sysclk_ind];
default:
return &core_dpll_params_1600mhz[sysclk_ind];
}
}
u32 omap4_ddr_clk(void)
{
u32 ddr_clk, sys_clk_khz;
const struct dpll_params *core_dpll_params;
sys_clk_khz = get_sys_clk_freq() / 1000;
core_dpll_params = get_core_dpll_params();
debug("sys_clk %d\n ", sys_clk_khz * 1000);
/* Find Core DPLL locked frequency first */
ddr_clk = sys_clk_khz * 2 * core_dpll_params->m /
(core_dpll_params->n + 1);
/*
* DDR frequency is PHY_ROOT_CLK/2
* PHY_ROOT_CLK = Fdpll/2/M2
*/
ddr_clk = ddr_clk / 4 / core_dpll_params->m2;
ddr_clk *= 1000; /* convert to Hz */
debug("ddr_clk %d\n ", ddr_clk);
return ddr_clk;
}
static void setup_dplls(void)
{
u32 sysclk_ind, temp;
const struct dpll_params *params;
debug("setup_dplls\n");
sysclk_ind = get_sys_clk_index();
/* CORE dpll */
params = get_core_dpll_params(); /* default - safest */
/*
* Do not lock the core DPLL now. Just set it up.
* Core DPLL will be locked after setting up EMIF
* using the FREQ_UPDATE method(freq_update_core())
*/
do_setup_dpll(&prcm->cm_clkmode_dpll_core, params, DPLL_NO_LOCK);
/* Set the ratios for CORE_CLK, L3_CLK, L4_CLK */
temp = (CLKSEL_CORE_X2_DIV_1 << CLKSEL_CORE_SHIFT) |
(CLKSEL_L3_CORE_DIV_2 << CLKSEL_L3_SHIFT) |
(CLKSEL_L4_L3_DIV_2 << CLKSEL_L4_SHIFT);
writel(temp, &prcm->cm_clksel_core);
debug("Core DPLL configured\n");
/* lock PER dpll */
do_setup_dpll(&prcm->cm_clkmode_dpll_per,
&per_dpll_params_1536mhz[sysclk_ind], DPLL_LOCK);
debug("PER DPLL locked\n");
/* MPU dpll */
if (omap_revision() == OMAP4430_ES1_0)
params = &mpu_dpll_params_1200mhz[sysclk_ind];
else
params = &mpu_dpll_params_1584mhz[sysclk_ind];
do_setup_dpll(&prcm->cm_clkmode_dpll_mpu, params, DPLL_LOCK);
debug("MPU DPLL locked\n");
}
static void setup_non_essential_dplls(void)
{
u32 sys_clk_khz, abe_ref_clk;
u32 sysclk_ind, sd_div, num, den;
const struct dpll_params *params;
sysclk_ind = get_sys_clk_index();
sys_clk_khz = get_sys_clk_freq() / 1000;
/* IVA */
clrsetbits_le32(&prcm->cm_bypclk_dpll_iva,
CM_BYPCLK_DPLL_IVA_CLKSEL_MASK, DPLL_IVA_CLKSEL_CORE_X2_DIV_2);
do_setup_dpll(&prcm->cm_clkmode_dpll_iva,
&iva_dpll_params_1862mhz[sysclk_ind], DPLL_LOCK);
/*
* USB:
* USB dpll is J-type. Need to set DPLL_SD_DIV for jitter correction
* DPLL_SD_DIV = CEILING ([DPLL_MULT/(DPLL_DIV+1)]* CLKINP / 250)
* - where CLKINP is sys_clk in MHz
* Use CLKINP in KHz and adjust the denominator accordingly so
* that we have enough accuracy and at the same time no overflow
*/
params = &usb_dpll_params_1920mhz[sysclk_ind];
num = params->m * sys_clk_khz;
den = (params->n + 1) * 250 * 1000;
num += den - 1;
sd_div = num / den;
clrsetbits_le32(&prcm->cm_clksel_dpll_usb,
CM_CLKSEL_DPLL_DPLL_SD_DIV_MASK,
sd_div << CM_CLKSEL_DPLL_DPLL_SD_DIV_SHIFT);
/* Now setup the dpll with the regular function */
do_setup_dpll(&prcm->cm_clkmode_dpll_usb, params, DPLL_LOCK);
#ifdef CONFIG_SYS_OMAP4_ABE_SYSCK
params = &abe_dpll_params_sysclk_196608khz[sysclk_ind];
abe_ref_clk = CM_ABE_PLL_REF_CLKSEL_CLKSEL_SYSCLK;
#else
params = &abe_dpll_params_32k_196608khz;
abe_ref_clk = CM_ABE_PLL_REF_CLKSEL_CLKSEL_32KCLK;
/*
* We need to enable some additional options to achieve
* 196.608MHz from 32768 Hz
*/
setbits_le32(&prcm->cm_clkmode_dpll_abe,
CM_CLKMODE_DPLL_DRIFTGUARD_EN_MASK|
CM_CLKMODE_DPLL_RELOCK_RAMP_EN_MASK|
CM_CLKMODE_DPLL_LPMODE_EN_MASK|
CM_CLKMODE_DPLL_REGM4XEN_MASK);
/* Spend 4 REFCLK cycles at each stage */
clrsetbits_le32(&prcm->cm_clkmode_dpll_abe,
CM_CLKMODE_DPLL_RAMP_RATE_MASK,
1 << CM_CLKMODE_DPLL_RAMP_RATE_SHIFT);
#endif
/* Select the right reference clk */
clrsetbits_le32(&prcm->cm_abe_pll_ref_clksel,
CM_ABE_PLL_REF_CLKSEL_CLKSEL_MASK,
abe_ref_clk << CM_ABE_PLL_REF_CLKSEL_CLKSEL_SHIFT);
/* Lock the dpll */
do_setup_dpll(&prcm->cm_clkmode_dpll_abe, params, DPLL_LOCK);
}
static void do_scale_vcore(u32 vcore_reg, u32 volt_mv)
{
u32 temp, offset_code;
u32 step = 12660; /* 12.66 mV represented in uV */
u32 offset = volt_mv;
/* convert to uV for better accuracy in the calculations */
offset *= 1000;
if (omap_revision() == OMAP4430_ES1_0)
offset -= PHOENIX_SMPS_BASE_VOLT_STD_MODE_UV;
else
offset -= PHOENIX_SMPS_BASE_VOLT_STD_MODE_WITH_OFFSET_UV;
offset_code = (offset + step - 1) / step;
/* The code starts at 1 not 0 */
offset_code++;
debug("do_scale_vcore: volt - %d offset_code - 0x%x\n", volt_mv,
offset_code);
temp = SMPS_I2C_SLAVE_ADDR |
(vcore_reg << PRM_VC_VAL_BYPASS_REGADDR_SHIFT) |
(offset_code << PRM_VC_VAL_BYPASS_DATA_SHIFT) |
PRM_VC_VAL_BYPASS_VALID_BIT;
writel(temp, &prcm->prm_vc_val_bypass);
if (!wait_on_value(PRM_VC_VAL_BYPASS_VALID_BIT, 0,
&prcm->prm_vc_val_bypass, LDELAY)) {
printf("Scaling voltage failed for 0x%x\n", vcore_reg);
}
}
/*
* Setup the voltages for vdd_mpu, vdd_core, and vdd_iva
* We set the maximum voltages allowed here because Smart-Reflex is not
* enabled in bootloader. Voltage initialization in the kernel will set
* these to the nominal values after enabling Smart-Reflex
*/
static void scale_vcores(void)
{
u32 volt, sys_clk_khz, cycles_hi, cycles_low, temp;
sys_clk_khz = get_sys_clk_freq() / 1000;
/*
* Setup the dedicated I2C controller for Voltage Control
* I2C clk - high period 40% low period 60%
*/
cycles_hi = sys_clk_khz * 4 / PRM_VC_I2C_CHANNEL_FREQ_KHZ / 10;
cycles_low = sys_clk_khz * 6 / PRM_VC_I2C_CHANNEL_FREQ_KHZ / 10;
/* values to be set in register - less by 5 & 7 respectively */
cycles_hi -= 5;
cycles_low -= 7;
temp = (cycles_hi << PRM_VC_CFG_I2C_CLK_SCLH_SHIFT) |
(cycles_low << PRM_VC_CFG_I2C_CLK_SCLL_SHIFT);
writel(temp, &prcm->prm_vc_cfg_i2c_clk);
/* Disable high speed mode and all advanced features */
writel(0x0, &prcm->prm_vc_cfg_i2c_mode);
/*
* VCORE 1 - 4430 : supplies vdd_mpu
* Setting a high voltage for Nitro mode as smart reflex is not enabled.
* We use the maximum possible value in the AVS range because the next
* higher voltage in the discrete range (code >= 0b111010) is way too
* high
*/
volt = 1417;
do_scale_vcore(SMPS_REG_ADDR_VCORE1, volt);
/* VCORE 2 - supplies vdd_iva */
volt = 1200;
do_scale_vcore(SMPS_REG_ADDR_VCORE2, volt);
/* VCORE 3 - supplies vdd_core */
volt = 1200;
do_scale_vcore(SMPS_REG_ADDR_VCORE3, volt);
}
static inline void enable_clock_domain(u32 *const clkctrl_reg, u32 enable_mode)
{
clrsetbits_le32(clkctrl_reg, CD_CLKCTRL_CLKTRCTRL_MASK,
enable_mode << CD_CLKCTRL_CLKTRCTRL_SHIFT);
debug("Enable clock domain - 0x%08x\n", clkctrl_reg);
}
static inline void wait_for_clk_enable(u32 *clkctrl_addr)
{
u32 clkctrl, idlest = MODULE_CLKCTRL_IDLEST_DISABLED;
u32 bound = LDELAY;
while ((idlest == MODULE_CLKCTRL_IDLEST_DISABLED) ||
(idlest == MODULE_CLKCTRL_IDLEST_TRANSITIONING)) {
clkctrl = readl(clkctrl_addr);
idlest = (clkctrl & MODULE_CLKCTRL_IDLEST_MASK) >>
MODULE_CLKCTRL_IDLEST_SHIFT;
if (--bound == 0) {
printf("Clock enable failed for 0x%p idlest 0x%x\n",
clkctrl_addr, clkctrl);
return;
}
}
}
static inline void enable_clock_module(u32 *const clkctrl_addr, u32 enable_mode,
u32 wait_for_enable)
{
clrsetbits_le32(clkctrl_addr, MODULE_CLKCTRL_MODULEMODE_MASK,
enable_mode << MODULE_CLKCTRL_MODULEMODE_SHIFT);
debug("Enable clock module - 0x%08x\n", clkctrl_addr);
if (wait_for_enable)
wait_for_clk_enable(clkctrl_addr);
}
/*
* Enable essential clock domains, modules and
* do some additional special settings needed
*/
static void enable_basic_clocks(void)
{
u32 i, max = 100, wait_for_enable = 1;
u32 *const clk_domains_essential[] = {
&prcm->cm_l4per_clkstctrl,
&prcm->cm_l3init_clkstctrl,
&prcm->cm_memif_clkstctrl,
&prcm->cm_l4cfg_clkstctrl,
0
};
u32 *const clk_modules_hw_auto_essential[] = {
&prcm->cm_wkup_gpio1_clkctrl,
&prcm->cm_l4per_gpio2_clkctrl,
&prcm->cm_l4per_gpio3_clkctrl,
&prcm->cm_l4per_gpio4_clkctrl,
&prcm->cm_l4per_gpio5_clkctrl,
&prcm->cm_l4per_gpio6_clkctrl,
&prcm->cm_memif_emif_1_clkctrl,
&prcm->cm_memif_emif_2_clkctrl,
&prcm->cm_l3init_hsusbotg_clkctrl,
&prcm->cm_l3init_usbphy_clkctrl,
&prcm->cm_l4cfg_l4_cfg_clkctrl,
0
};
u32 *const clk_modules_explicit_en_essential[] = {
&prcm->cm_l4per_gptimer2_clkctrl,
&prcm->cm_l3init_hsmmc1_clkctrl,
&prcm->cm_l3init_hsmmc2_clkctrl,
&prcm->cm_l4per_mcspi1_clkctrl,
&prcm->cm_wkup_gptimer1_clkctrl,
&prcm->cm_l4per_i2c1_clkctrl,
&prcm->cm_l4per_i2c2_clkctrl,
&prcm->cm_l4per_i2c3_clkctrl,
&prcm->cm_l4per_i2c4_clkctrl,
&prcm->cm_wkup_wdtimer2_clkctrl,
&prcm->cm_l4per_uart3_clkctrl,
0
};
/* Enable optional additional functional clock for GPIO4 */
setbits_le32(&prcm->cm_l4per_gpio4_clkctrl,
GPIO4_CLKCTRL_OPTFCLKEN_MASK);
/* Enable 96 MHz clock for MMC1 & MMC2 */
setbits_le32(&prcm->cm_l3init_hsmmc1_clkctrl,
HSMMC_CLKCTRL_CLKSEL_MASK);
setbits_le32(&prcm->cm_l3init_hsmmc2_clkctrl,
HSMMC_CLKCTRL_CLKSEL_MASK);
/* Select 32KHz clock as the source of GPTIMER1 */
setbits_le32(&prcm->cm_wkup_gptimer1_clkctrl,
GPTIMER1_CLKCTRL_CLKSEL_MASK);
/* Enable optional 48M functional clock for USB PHY */
setbits_le32(&prcm->cm_l3init_usbphy_clkctrl,
USBPHY_CLKCTRL_OPTFCLKEN_PHY_48M_MASK);
/* Put the clock domains in SW_WKUP mode */
for (i = 0; (i < max) && clk_domains_essential[i]; i++) {
enable_clock_domain(clk_domains_essential[i],
CD_CLKCTRL_CLKTRCTRL_SW_WKUP);
}
/* Clock modules that need to be put in HW_AUTO */
for (i = 0; (i < max) && clk_modules_hw_auto_essential[i]; i++) {
enable_clock_module(clk_modules_hw_auto_essential[i],
MODULE_CLKCTRL_MODULEMODE_HW_AUTO,
wait_for_enable);
};
/* Clock modules that need to be put in SW_EXPLICIT_EN mode */
for (i = 0; (i < max) && clk_modules_explicit_en_essential[i]; i++) {
enable_clock_module(clk_modules_explicit_en_essential[i],
MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN,
wait_for_enable);
};
/* Put the clock domains in HW_AUTO mode now */
for (i = 0; (i < max) && clk_domains_essential[i]; i++) {
enable_clock_domain(clk_domains_essential[i],
CD_CLKCTRL_CLKTRCTRL_HW_AUTO);
}
}
/*
* Enable non-essential clock domains, modules and
* do some additional special settings needed
*/
static void enable_non_essential_clocks(void)
{
u32 i, max = 100, wait_for_enable = 0;
u32 *const clk_domains_non_essential[] = {
&prcm->cm_mpu_m3_clkstctrl,
&prcm->cm_ivahd_clkstctrl,
&prcm->cm_dsp_clkstctrl,
&prcm->cm_dss_clkstctrl,
&prcm->cm_sgx_clkstctrl,
&prcm->cm1_abe_clkstctrl,
&prcm->cm_c2c_clkstctrl,
&prcm->cm_cam_clkstctrl,
&prcm->cm_dss_clkstctrl,
&prcm->cm_sdma_clkstctrl,
0
};
u32 *const clk_modules_hw_auto_non_essential[] = {
&prcm->cm_mpu_m3_mpu_m3_clkctrl,
&prcm->cm_ivahd_ivahd_clkctrl,
&prcm->cm_ivahd_sl2_clkctrl,
&prcm->cm_dsp_dsp_clkctrl,
&prcm->cm_l3_2_gpmc_clkctrl,
&prcm->cm_l3instr_l3_3_clkctrl,
&prcm->cm_l3instr_l3_instr_clkctrl,
&prcm->cm_l3instr_intrconn_wp1_clkctrl,
&prcm->cm_l3init_hsi_clkctrl,
&prcm->cm_l3init_hsusbtll_clkctrl,
0
};
u32 *const clk_modules_explicit_en_non_essential[] = {
&prcm->cm1_abe_aess_clkctrl,
&prcm->cm1_abe_pdm_clkctrl,
&prcm->cm1_abe_dmic_clkctrl,
&prcm->cm1_abe_mcasp_clkctrl,
&prcm->cm1_abe_mcbsp1_clkctrl,
&prcm->cm1_abe_mcbsp2_clkctrl,
&prcm->cm1_abe_mcbsp3_clkctrl,
&prcm->cm1_abe_slimbus_clkctrl,
&prcm->cm1_abe_timer5_clkctrl,
&prcm->cm1_abe_timer6_clkctrl,
&prcm->cm1_abe_timer7_clkctrl,
&prcm->cm1_abe_timer8_clkctrl,
&prcm->cm1_abe_wdt3_clkctrl,
&prcm->cm_l4per_gptimer9_clkctrl,
&prcm->cm_l4per_gptimer10_clkctrl,
&prcm->cm_l4per_gptimer11_clkctrl,
&prcm->cm_l4per_gptimer3_clkctrl,
&prcm->cm_l4per_gptimer4_clkctrl,
&prcm->cm_l4per_hdq1w_clkctrl,
&prcm->cm_l4per_mcbsp4_clkctrl,
&prcm->cm_l4per_mcspi2_clkctrl,
&prcm->cm_l4per_mcspi3_clkctrl,
&prcm->cm_l4per_mcspi4_clkctrl,
&prcm->cm_l4per_mmcsd3_clkctrl,
&prcm->cm_l4per_mmcsd4_clkctrl,
&prcm->cm_l4per_mmcsd5_clkctrl,
&prcm->cm_l4per_uart1_clkctrl,
&prcm->cm_l4per_uart2_clkctrl,
&prcm->cm_l4per_uart4_clkctrl,
&prcm->cm_wkup_keyboard_clkctrl,
&prcm->cm_wkup_wdtimer2_clkctrl,
&prcm->cm_cam_iss_clkctrl,
&prcm->cm_cam_fdif_clkctrl,
&prcm->cm_dss_dss_clkctrl,
&prcm->cm_sgx_sgx_clkctrl,
&prcm->cm_l3init_hsusbhost_clkctrl,
&prcm->cm_l3init_fsusb_clkctrl,
0
};
/* Enable optional functional clock for ISS */
setbits_le32(&prcm->cm_cam_iss_clkctrl, ISS_CLKCTRL_OPTFCLKEN_MASK);
/* Enable all optional functional clocks of DSS */
setbits_le32(&prcm->cm_dss_dss_clkctrl, DSS_CLKCTRL_OPTFCLKEN_MASK);
/* Put the clock domains in SW_WKUP mode */
for (i = 0; (i < max) && clk_domains_non_essential[i]; i++) {
enable_clock_domain(clk_domains_non_essential[i],
CD_CLKCTRL_CLKTRCTRL_SW_WKUP);
}
/* Clock modules that need to be put in HW_AUTO */
for (i = 0; (i < max) && clk_modules_hw_auto_non_essential[i]; i++) {
enable_clock_module(clk_modules_hw_auto_non_essential[i],
MODULE_CLKCTRL_MODULEMODE_HW_AUTO,
wait_for_enable);
};
/* Clock modules that need to be put in SW_EXPLICIT_EN mode */
for (i = 0; (i < max) && clk_modules_explicit_en_non_essential[i];
i++) {
enable_clock_module(clk_modules_explicit_en_non_essential[i],
MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN,
wait_for_enable);
};
/* Put the clock domains in HW_AUTO mode now */
for (i = 0; (i < max) && clk_domains_non_essential[i]; i++) {
enable_clock_domain(clk_domains_non_essential[i],
CD_CLKCTRL_CLKTRCTRL_HW_AUTO);
}
/* Put camera module in no sleep mode */
clrsetbits_le32(&prcm->cm_cam_clkstctrl, MODULE_CLKCTRL_MODULEMODE_MASK,
CD_CLKCTRL_CLKTRCTRL_NO_SLEEP <<
MODULE_CLKCTRL_MODULEMODE_SHIFT);
}
void freq_update_core(void)
{
u32 freq_config1 = 0;
const struct dpll_params *core_dpll_params;
core_dpll_params = get_core_dpll_params();
/* Put EMIF clock domain in sw wakeup mode */
enable_clock_domain(&prcm->cm_memif_clkstctrl,
CD_CLKCTRL_CLKTRCTRL_SW_WKUP);
wait_for_clk_enable(&prcm->cm_memif_emif_1_clkctrl);
wait_for_clk_enable(&prcm->cm_memif_emif_2_clkctrl);
freq_config1 = SHADOW_FREQ_CONFIG1_FREQ_UPDATE_MASK |
SHADOW_FREQ_CONFIG1_DLL_RESET_MASK;
freq_config1 |= (DPLL_EN_LOCK << SHADOW_FREQ_CONFIG1_DPLL_EN_SHIFT) &
SHADOW_FREQ_CONFIG1_DPLL_EN_MASK;
freq_config1 |= (core_dpll_params->m2 <<
SHADOW_FREQ_CONFIG1_M2_DIV_SHIFT) &
SHADOW_FREQ_CONFIG1_M2_DIV_MASK;
writel(freq_config1, &prcm->cm_shadow_freq_config1);
if (!wait_on_value(SHADOW_FREQ_CONFIG1_FREQ_UPDATE_MASK, 0,
&prcm->cm_shadow_freq_config1, LDELAY)) {
puts("FREQ UPDATE procedure failed!!");
hang();
}
/* Put EMIF clock domain back in hw auto mode */
enable_clock_domain(&prcm->cm_memif_clkstctrl,
CD_CLKCTRL_CLKTRCTRL_HW_AUTO);
wait_for_clk_enable(&prcm->cm_memif_emif_1_clkctrl);
wait_for_clk_enable(&prcm->cm_memif_emif_2_clkctrl);
}
void bypass_dpll(u32 *const base)
{
do_bypass_dpll(base);
wait_for_bypass(base);
}
void lock_dpll(u32 *const base)
{
do_lock_dpll(base);
wait_for_lock(base);
}
void prcm_init(void)
{
switch (omap4_hw_init_context()) {
case OMAP_INIT_CONTEXT_SPL:
case OMAP_INIT_CONTEXT_UBOOT_FROM_NOR:
case OMAP_INIT_CONTEXT_UBOOT_AFTER_CH:
scale_vcores();
setup_dplls();
enable_basic_clocks();
setup_non_essential_dplls();
enable_non_essential_clocks();
break;
default:
break;
}
}

@ -0,0 +1,664 @@
/*
* (C) Copyright 2010
* Texas Instruments, <www.ti.com>
*
* Aneesh V <aneesh@ti.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef _CLOCKS_OMAP4_H_
#define _CLOCKS_OMAP4_H_
#include <common.h>
/*
* Assuming a maximum of 1.5 GHz ARM speed and a minimum of 2 cycles per
* loop, allow for a minimum of 2 ms wait (in reality the wait will be
* much more than that)
*/
#define LDELAY 1000000
#define CM_CLKMODE_DPLL_CORE (OMAP44XX_L4_CORE_BASE + 0x4120)
#define CM_CLKMODE_DPLL_PER (OMAP44XX_L4_CORE_BASE + 0x8140)
#define CM_CLKMODE_DPLL_MPU (OMAP44XX_L4_CORE_BASE + 0x4160)
#define CM_CLKSEL_CORE (OMAP44XX_L4_CORE_BASE + 0x4100)
struct omap4_prcm_regs {
/* cm1.ckgen */
u32 cm_clksel_core;
u32 pad001[1];
u32 cm_clksel_abe;
u32 pad002[1];
u32 cm_dll_ctrl;
u32 pad003[3];
u32 cm_clkmode_dpll_core;
u32 cm_idlest_dpll_core;
u32 cm_autoidle_dpll_core;
u32 cm_clksel_dpll_core;
u32 cm_div_m2_dpll_core;
u32 cm_div_m3_dpll_core;
u32 cm_div_m4_dpll_core;
u32 cm_div_m5_dpll_core;
u32 cm_div_m6_dpll_core;
u32 cm_div_m7_dpll_core;
u32 cm_ssc_deltamstep_dpll_core;
u32 cm_ssc_modfreqdiv_dpll_core;
u32 cm_emu_override_dpll_core;
u32 pad004[3];
u32 cm_clkmode_dpll_mpu;
u32 cm_idlest_dpll_mpu;
u32 cm_autoidle_dpll_mpu;
u32 cm_clksel_dpll_mpu;
u32 cm_div_m2_dpll_mpu;
u32 pad005[5];
u32 cm_ssc_deltamstep_dpll_mpu;
u32 cm_ssc_modfreqdiv_dpll_mpu;
u32 pad006[3];
u32 cm_bypclk_dpll_mpu;
u32 cm_clkmode_dpll_iva;
u32 cm_idlest_dpll_iva;
u32 cm_autoidle_dpll_iva;
u32 cm_clksel_dpll_iva;
u32 pad007[2];
u32 cm_div_m4_dpll_iva;
u32 cm_div_m5_dpll_iva;
u32 pad008[2];
u32 cm_ssc_deltamstep_dpll_iva;
u32 cm_ssc_modfreqdiv_dpll_iva;
u32 pad009[3];
u32 cm_bypclk_dpll_iva;
u32 cm_clkmode_dpll_abe;
u32 cm_idlest_dpll_abe;
u32 cm_autoidle_dpll_abe;
u32 cm_clksel_dpll_abe;
u32 cm_div_m2_dpll_abe;
u32 cm_div_m3_dpll_abe;
u32 pad010[4];
u32 cm_ssc_deltamstep_dpll_abe;
u32 cm_ssc_modfreqdiv_dpll_abe;
u32 pad011[4];
u32 cm_clkmode_dpll_ddrphy;
u32 cm_idlest_dpll_ddrphy;
u32 cm_autoidle_dpll_ddrphy;
u32 cm_clksel_dpll_ddrphy;
u32 cm_div_m2_dpll_ddrphy;
u32 pad012[1];
u32 cm_div_m4_dpll_ddrphy;
u32 cm_div_m5_dpll_ddrphy;
u32 cm_div_m6_dpll_ddrphy;
u32 pad013[1];
u32 cm_ssc_deltamstep_dpll_ddrphy;
u32 pad014[5];
u32 cm_shadow_freq_config1;
/* cm1.dsp */
u32 pad015[103];
u32 cm_dsp_clkstctrl;
u32 pad016[7];
u32 cm_dsp_dsp_clkctrl;
/* cm1.abe */
u32 pad017[55];
u32 cm1_abe_clkstctrl;
u32 pad018[7];
u32 cm1_abe_l4abe_clkctrl;
u32 pad019[1];
u32 cm1_abe_aess_clkctrl;
u32 pad020[1];
u32 cm1_abe_pdm_clkctrl;
u32 pad021[1];
u32 cm1_abe_dmic_clkctrl;
u32 pad022[1];
u32 cm1_abe_mcasp_clkctrl;
u32 pad023[1];
u32 cm1_abe_mcbsp1_clkctrl;
u32 pad024[1];
u32 cm1_abe_mcbsp2_clkctrl;
u32 pad025[1];
u32 cm1_abe_mcbsp3_clkctrl;
u32 pad026[1];
u32 cm1_abe_slimbus_clkctrl;
u32 pad027[1];
u32 cm1_abe_timer5_clkctrl;
u32 pad028[1];
u32 cm1_abe_timer6_clkctrl;
u32 pad029[1];
u32 cm1_abe_timer7_clkctrl;
u32 pad030[1];
u32 cm1_abe_timer8_clkctrl;
u32 pad031[1];
u32 cm1_abe_wdt3_clkctrl;
/* cm2.ckgen */
u32 pad032[3805];
u32 cm_clksel_mpu_m3_iss_root;
u32 cm_clksel_usb_60mhz;
u32 cm_scale_fclk;
u32 pad033[1];
u32 cm_core_dvfs_perf1;
u32 cm_core_dvfs_perf2;
u32 cm_core_dvfs_perf3;
u32 cm_core_dvfs_perf4;
u32 pad034[1];
u32 cm_core_dvfs_current;
u32 cm_iva_dvfs_perf_tesla;
u32 cm_iva_dvfs_perf_ivahd;
u32 cm_iva_dvfs_perf_abe;
u32 pad035[1];
u32 cm_iva_dvfs_current;
u32 pad036[1];
u32 cm_clkmode_dpll_per;
u32 cm_idlest_dpll_per;
u32 cm_autoidle_dpll_per;
u32 cm_clksel_dpll_per;
u32 cm_div_m2_dpll_per;
u32 cm_div_m3_dpll_per;
u32 cm_div_m4_dpll_per;
u32 cm_div_m5_dpll_per;
u32 cm_div_m6_dpll_per;
u32 cm_div_m7_dpll_per;
u32 cm_ssc_deltamstep_dpll_per;
u32 cm_ssc_modfreqdiv_dpll_per;
u32 cm_emu_override_dpll_per;
u32 pad037[3];
u32 cm_clkmode_dpll_usb;
u32 cm_idlest_dpll_usb;
u32 cm_autoidle_dpll_usb;
u32 cm_clksel_dpll_usb;
u32 cm_div_m2_dpll_usb;
u32 pad038[5];
u32 cm_ssc_deltamstep_dpll_usb;
u32 cm_ssc_modfreqdiv_dpll_usb;
u32 pad039[1];
u32 cm_clkdcoldo_dpll_usb;
u32 pad040[2];
u32 cm_clkmode_dpll_unipro;
u32 cm_idlest_dpll_unipro;
u32 cm_autoidle_dpll_unipro;
u32 cm_clksel_dpll_unipro;
u32 cm_div_m2_dpll_unipro;
u32 pad041[5];
u32 cm_ssc_deltamstep_dpll_unipro;
u32 cm_ssc_modfreqdiv_dpll_unipro;
/* cm2.core */
u32 pad0411[324];
u32 cm_l3_1_clkstctrl;
u32 pad042[1];
u32 cm_l3_1_dynamicdep;
u32 pad043[5];
u32 cm_l3_1_l3_1_clkctrl;
u32 pad044[55];
u32 cm_l3_2_clkstctrl;
u32 pad045[1];
u32 cm_l3_2_dynamicdep;
u32 pad046[5];
u32 cm_l3_2_l3_2_clkctrl;
u32 pad047[1];
u32 cm_l3_2_gpmc_clkctrl;
u32 pad048[1];
u32 cm_l3_2_ocmc_ram_clkctrl;
u32 pad049[51];
u32 cm_mpu_m3_clkstctrl;
u32 cm_mpu_m3_staticdep;
u32 cm_mpu_m3_dynamicdep;
u32 pad050[5];
u32 cm_mpu_m3_mpu_m3_clkctrl;
u32 pad051[55];
u32 cm_sdma_clkstctrl;
u32 cm_sdma_staticdep;
u32 cm_sdma_dynamicdep;
u32 pad052[5];
u32 cm_sdma_sdma_clkctrl;
u32 pad053[55];
u32 cm_memif_clkstctrl;
u32 pad054[7];
u32 cm_memif_dmm_clkctrl;
u32 pad055[1];
u32 cm_memif_emif_fw_clkctrl;
u32 pad056[1];
u32 cm_memif_emif_1_clkctrl;
u32 pad057[1];
u32 cm_memif_emif_2_clkctrl;
u32 pad058[1];
u32 cm_memif_dll_clkctrl;
u32 pad059[3];
u32 cm_memif_emif_h1_clkctrl;
u32 pad060[1];
u32 cm_memif_emif_h2_clkctrl;
u32 pad061[1];
u32 cm_memif_dll_h_clkctrl;
u32 pad062[39];
u32 cm_c2c_clkstctrl;
u32 cm_c2c_staticdep;
u32 cm_c2c_dynamicdep;
u32 pad063[5];
u32 cm_c2c_sad2d_clkctrl;
u32 pad064[1];
u32 cm_c2c_modem_icr_clkctrl;
u32 pad065[1];
u32 cm_c2c_sad2d_fw_clkctrl;
u32 pad066[51];
u32 cm_l4cfg_clkstctrl;
u32 pad067[1];
u32 cm_l4cfg_dynamicdep;
u32 pad068[5];
u32 cm_l4cfg_l4_cfg_clkctrl;
u32 pad069[1];
u32 cm_l4cfg_hw_sem_clkctrl;
u32 pad070[1];
u32 cm_l4cfg_mailbox_clkctrl;
u32 pad071[1];
u32 cm_l4cfg_sar_rom_clkctrl;
u32 pad072[49];
u32 cm_l3instr_clkstctrl;
u32 pad073[7];
u32 cm_l3instr_l3_3_clkctrl;
u32 pad074[1];
u32 cm_l3instr_l3_instr_clkctrl;
u32 pad075[5];
u32 cm_l3instr_intrconn_wp1_clkctrl;
/* cm2.ivahd */
u32 pad076[47];
u32 cm_ivahd_clkstctrl;
u32 pad077[7];
u32 cm_ivahd_ivahd_clkctrl;
u32 pad078[1];
u32 cm_ivahd_sl2_clkctrl;
/* cm2.cam */
u32 pad079[53];
u32 cm_cam_clkstctrl;
u32 pad080[7];
u32 cm_cam_iss_clkctrl;
u32 pad081[1];
u32 cm_cam_fdif_clkctrl;
/* cm2.dss */
u32 pad082[53];
u32 cm_dss_clkstctrl;
u32 pad083[7];
u32 cm_dss_dss_clkctrl;
/* cm2.sgx */
u32 pad084[55];
u32 cm_sgx_clkstctrl;
u32 pad085[7];
u32 cm_sgx_sgx_clkctrl;
/* cm2.l3init */
u32 pad086[55];
u32 cm_l3init_clkstctrl;
/* cm2.l3init */
u32 pad087[9];
u32 cm_l3init_hsmmc1_clkctrl;
u32 pad088[1];
u32 cm_l3init_hsmmc2_clkctrl;
u32 pad089[1];
u32 cm_l3init_hsi_clkctrl;
u32 pad090[7];
u32 cm_l3init_hsusbhost_clkctrl;
u32 pad091[1];
u32 cm_l3init_hsusbotg_clkctrl;
u32 pad092[1];
u32 cm_l3init_hsusbtll_clkctrl;
u32 pad093[3];
u32 cm_l3init_p1500_clkctrl;
u32 pad094[21];
u32 cm_l3init_fsusb_clkctrl;
u32 pad095[3];
u32 cm_l3init_usbphy_clkctrl;
/* cm2.l4per */
u32 pad096[7];
u32 cm_l4per_clkstctrl;
u32 pad097[1];
u32 cm_l4per_dynamicdep;
u32 pad098[5];
u32 cm_l4per_adc_clkctrl;
u32 pad100[1];
u32 cm_l4per_gptimer10_clkctrl;
u32 pad101[1];
u32 cm_l4per_gptimer11_clkctrl;
u32 pad102[1];
u32 cm_l4per_gptimer2_clkctrl;
u32 pad103[1];
u32 cm_l4per_gptimer3_clkctrl;
u32 pad104[1];
u32 cm_l4per_gptimer4_clkctrl;
u32 pad105[1];
u32 cm_l4per_gptimer9_clkctrl;
u32 pad106[1];
u32 cm_l4per_elm_clkctrl;
u32 pad107[1];
u32 cm_l4per_gpio2_clkctrl;
u32 pad108[1];
u32 cm_l4per_gpio3_clkctrl;
u32 pad109[1];
u32 cm_l4per_gpio4_clkctrl;
u32 pad110[1];
u32 cm_l4per_gpio5_clkctrl;
u32 pad111[1];
u32 cm_l4per_gpio6_clkctrl;
u32 pad112[1];
u32 cm_l4per_hdq1w_clkctrl;
u32 pad113[1];
u32 cm_l4per_hecc1_clkctrl;
u32 pad114[1];
u32 cm_l4per_hecc2_clkctrl;
u32 pad115[1];
u32 cm_l4per_i2c1_clkctrl;
u32 pad116[1];
u32 cm_l4per_i2c2_clkctrl;
u32 pad117[1];
u32 cm_l4per_i2c3_clkctrl;
u32 pad118[1];
u32 cm_l4per_i2c4_clkctrl;
u32 pad119[1];
u32 cm_l4per_l4per_clkctrl;
u32 pad1191[3];
u32 cm_l4per_mcasp2_clkctrl;
u32 pad120[1];
u32 cm_l4per_mcasp3_clkctrl;
u32 pad121[1];
u32 cm_l4per_mcbsp4_clkctrl;
u32 pad122[1];
u32 cm_l4per_mgate_clkctrl;
u32 pad123[1];
u32 cm_l4per_mcspi1_clkctrl;
u32 pad124[1];
u32 cm_l4per_mcspi2_clkctrl;
u32 pad125[1];
u32 cm_l4per_mcspi3_clkctrl;
u32 pad126[1];
u32 cm_l4per_mcspi4_clkctrl;
u32 pad127[5];
u32 cm_l4per_mmcsd3_clkctrl;
u32 pad128[1];
u32 cm_l4per_mmcsd4_clkctrl;
u32 pad129[1];
u32 cm_l4per_msprohg_clkctrl;
u32 pad130[1];
u32 cm_l4per_slimbus2_clkctrl;
u32 pad131[1];
u32 cm_l4per_uart1_clkctrl;
u32 pad132[1];
u32 cm_l4per_uart2_clkctrl;
u32 pad133[1];
u32 cm_l4per_uart3_clkctrl;
u32 pad134[1];
u32 cm_l4per_uart4_clkctrl;
u32 pad135[1];
u32 cm_l4per_mmcsd5_clkctrl;
u32 pad136[1];
u32 cm_l4per_i2c5_clkctrl;
u32 pad137[5];
u32 cm_l4sec_clkstctrl;
u32 cm_l4sec_staticdep;
u32 cm_l4sec_dynamicdep;
u32 pad138[5];
u32 cm_l4sec_aes1_clkctrl;
u32 pad139[1];
u32 cm_l4sec_aes2_clkctrl;
u32 pad140[1];
u32 cm_l4sec_des3des_clkctrl;
u32 pad141[1];
u32 cm_l4sec_pkaeip29_clkctrl;
u32 pad142[1];
u32 cm_l4sec_rng_clkctrl;
u32 pad143[1];
u32 cm_l4sec_sha2md51_clkctrl;
u32 pad144[3];
u32 cm_l4sec_cryptodma_clkctrl;
u32 pad145[776841];
/* l4 wkup regs */
u32 pad201[6211];
u32 cm_abe_pll_ref_clksel;
u32 cm_sys_clksel;
u32 pad202[1467];
u32 cm_wkup_clkstctrl;
u32 pad203[7];
u32 cm_wkup_l4wkup_clkctrl;
u32 pad204;
u32 cm_wkup_wdtimer1_clkctrl;
u32 pad205;
u32 cm_wkup_wdtimer2_clkctrl;
u32 pad206;
u32 cm_wkup_gpio1_clkctrl;
u32 pad207;
u32 cm_wkup_gptimer1_clkctrl;
u32 pad208;
u32 cm_wkup_gptimer12_clkctrl;
u32 pad209;
u32 cm_wkup_synctimer_clkctrl;
u32 pad210;
u32 cm_wkup_usim_clkctrl;
u32 pad211;
u32 cm_wkup_sarram_clkctrl;
u32 pad212[5];
u32 cm_wkup_keyboard_clkctrl;
u32 pad213;
u32 cm_wkup_rtc_clkctrl;
u32 pad214;
u32 cm_wkup_bandgap_clkctrl;
u32 pad215[197];
u32 prm_vc_val_bypass;
u32 prm_vc_cfg_channel;
u32 prm_vc_cfg_i2c_mode;
u32 prm_vc_cfg_i2c_clk;
};
/* DPLL register offsets */
#define CM_CLKMODE_DPLL 0
#define CM_IDLEST_DPLL 0x4
#define CM_AUTOIDLE_DPLL 0x8
#define CM_CLKSEL_DPLL 0xC
#define CM_DIV_M2_DPLL 0x10
#define CM_DIV_M3_DPLL 0x14
#define CM_DIV_M4_DPLL 0x18
#define CM_DIV_M5_DPLL 0x1C
#define CM_DIV_M6_DPLL 0x20
#define CM_DIV_M7_DPLL 0x24
#define DPLL_CLKOUT_DIV_MASK 0x1F /* post-divider mask */
/* CM_CLKMODE_DPLL */
#define CM_CLKMODE_DPLL_REGM4XEN_SHIFT 11
#define CM_CLKMODE_DPLL_REGM4XEN_MASK (1 << 11)
#define CM_CLKMODE_DPLL_LPMODE_EN_SHIFT 10
#define CM_CLKMODE_DPLL_LPMODE_EN_MASK (1 << 10)
#define CM_CLKMODE_DPLL_RELOCK_RAMP_EN_SHIFT 9
#define CM_CLKMODE_DPLL_RELOCK_RAMP_EN_MASK (1 << 9)
#define CM_CLKMODE_DPLL_DRIFTGUARD_EN_SHIFT 8
#define CM_CLKMODE_DPLL_DRIFTGUARD_EN_MASK (1 << 8)
#define CM_CLKMODE_DPLL_RAMP_RATE_SHIFT 5
#define CM_CLKMODE_DPLL_RAMP_RATE_MASK (0x7 << 5)
#define CM_CLKMODE_DPLL_EN_SHIFT 0
#define CM_CLKMODE_DPLL_EN_MASK (0x7 << 0)
#define CM_CLKMODE_DPLL_DPLL_EN_SHIFT 0
#define CM_CLKMODE_DPLL_DPLL_EN_MASK 7
#define DPLL_EN_STOP 1
#define DPLL_EN_MN_BYPASS 4
#define DPLL_EN_LOW_POWER_BYPASS 5
#define DPLL_EN_FAST_RELOCK_BYPASS 6
#define DPLL_EN_LOCK 7
/* CM_IDLEST_DPLL fields */
#define ST_DPLL_CLK_MASK 1
/* CM_CLKSEL_DPLL */
#define CM_CLKSEL_DPLL_DPLL_SD_DIV_SHIFT 24
#define CM_CLKSEL_DPLL_DPLL_SD_DIV_MASK (0xFF << 24)
#define CM_CLKSEL_DPLL_M_SHIFT 8
#define CM_CLKSEL_DPLL_M_MASK (0x7FF << 8)
#define CM_CLKSEL_DPLL_N_SHIFT 0
#define CM_CLKSEL_DPLL_N_MASK 0x7F
#define OMAP4_DPLL_MAX_N 127
/* CM_SYS_CLKSEL */
#define CM_SYS_CLKSEL_SYS_CLKSEL_MASK 7
/* CM_CLKSEL_CORE */
#define CLKSEL_CORE_SHIFT 0
#define CLKSEL_L3_SHIFT 4
#define CLKSEL_L4_SHIFT 8
#define CLKSEL_CORE_X2_DIV_1 0
#define CLKSEL_L3_CORE_DIV_2 1
#define CLKSEL_L4_L3_DIV_2 1
/* CM_ABE_PLL_REF_CLKSEL */
#define CM_ABE_PLL_REF_CLKSEL_CLKSEL_SHIFT 0
#define CM_ABE_PLL_REF_CLKSEL_CLKSEL_MASK 1
#define CM_ABE_PLL_REF_CLKSEL_CLKSEL_SYSCLK 0
#define CM_ABE_PLL_REF_CLKSEL_CLKSEL_32KCLK 1
/* CM_BYPCLK_DPLL_IVA */
#define CM_BYPCLK_DPLL_IVA_CLKSEL_SHIFT 0
#define CM_BYPCLK_DPLL_IVA_CLKSEL_MASK 3
#define DPLL_IVA_CLKSEL_CORE_X2_DIV_2 1
/* CM_SHADOW_FREQ_CONFIG1 */
#define SHADOW_FREQ_CONFIG1_FREQ_UPDATE_MASK 1
#define SHADOW_FREQ_CONFIG1_DLL_OVERRIDE_MASK 4
#define SHADOW_FREQ_CONFIG1_DLL_RESET_MASK 8
#define SHADOW_FREQ_CONFIG1_DPLL_EN_SHIFT 8
#define SHADOW_FREQ_CONFIG1_DPLL_EN_MASK (7 << 8)
#define SHADOW_FREQ_CONFIG1_M2_DIV_SHIFT 11
#define SHADOW_FREQ_CONFIG1_M2_DIV_MASK (0x1F << 11)
/*CM_<clock_domain>__CLKCTRL */
#define CD_CLKCTRL_CLKTRCTRL_SHIFT 0
#define CD_CLKCTRL_CLKTRCTRL_MASK 3
#define CD_CLKCTRL_CLKTRCTRL_NO_SLEEP 0
#define CD_CLKCTRL_CLKTRCTRL_SW_SLEEP 1
#define CD_CLKCTRL_CLKTRCTRL_SW_WKUP 2
#define CD_CLKCTRL_CLKTRCTRL_HW_AUTO 3
/* CM_<clock_domain>_<module>_CLKCTRL */
#define MODULE_CLKCTRL_MODULEMODE_SHIFT 0
#define MODULE_CLKCTRL_MODULEMODE_MASK 3
#define MODULE_CLKCTRL_IDLEST_SHIFT 16
#define MODULE_CLKCTRL_IDLEST_MASK (3 << 16)
#define MODULE_CLKCTRL_MODULEMODE_SW_DISABLE 0
#define MODULE_CLKCTRL_MODULEMODE_HW_AUTO 1
#define MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN 2
#define MODULE_CLKCTRL_IDLEST_FULLY_FUNCTIONAL 0
#define MODULE_CLKCTRL_IDLEST_TRANSITIONING 1
#define MODULE_CLKCTRL_IDLEST_IDLE 2
#define MODULE_CLKCTRL_IDLEST_DISABLED 3
/* CM_L4PER_GPIO4_CLKCTRL */
#define GPIO4_CLKCTRL_OPTFCLKEN_MASK (1 << 8)
/* CM_L3INIT_HSMMCn_CLKCTRL */
#define HSMMC_CLKCTRL_CLKSEL_MASK (1 << 24)
/* CM_WKUP_GPTIMER1_CLKCTRL */
#define GPTIMER1_CLKCTRL_CLKSEL_MASK (1 << 24)
/* CM_CAM_ISS_CLKCTRL */
#define ISS_CLKCTRL_OPTFCLKEN_MASK (1 << 8)
/* CM_DSS_DSS_CLKCTRL */
#define DSS_CLKCTRL_OPTFCLKEN_MASK 0xF00
/* CM_L3INIT_USBPHY_CLKCTRL */
#define USBPHY_CLKCTRL_OPTFCLKEN_PHY_48M_MASK 8
/* Clock frequencies */
#define OMAP_SYS_CLK_FREQ_38_4_MHZ 38400000
#define OMAP_SYS_CLK_IND_38_4_MHZ 6
#define OMAP_32K_CLK_FREQ 32768
/* PRM_VC_CFG_I2C_CLK */
#define PRM_VC_CFG_I2C_CLK_SCLH_SHIFT 0
#define PRM_VC_CFG_I2C_CLK_SCLH_MASK 0xFF
#define PRM_VC_CFG_I2C_CLK_SCLL_SHIFT 8
#define PRM_VC_CFG_I2C_CLK_SCLL_MASK (0xFF << 8)
/* PRM_VC_VAL_BYPASS */
#define PRM_VC_I2C_CHANNEL_FREQ_KHZ 400
#define PRM_VC_VAL_BYPASS_VALID_BIT 0x1000000
#define PRM_VC_VAL_BYPASS_SLAVEADDR_SHIFT 0
#define PRM_VC_VAL_BYPASS_SLAVEADDR_MASK 0x7F
#define PRM_VC_VAL_BYPASS_REGADDR_SHIFT 8
#define PRM_VC_VAL_BYPASS_REGADDR_MASK 0xFF
#define PRM_VC_VAL_BYPASS_DATA_SHIFT 16
#define PRM_VC_VAL_BYPASS_DATA_MASK 0xFF
#define SMPS_I2C_SLAVE_ADDR 0x12
#define SMPS_REG_ADDR_VCORE1 0x55
#define SMPS_REG_ADDR_VCORE2 0x5B
#define SMPS_REG_ADDR_VCORE3 0x61
#define PHOENIX_SMPS_BASE_VOLT_STD_MODE_UV 607700
#define PHOENIX_SMPS_BASE_VOLT_STD_MODE_WITH_OFFSET_UV 709000
/* Defines for DPLL setup */
#define DPLL_LOCKED_FREQ_TOLERANCE_0 0
#define DPLL_LOCKED_FREQ_TOLERANCE_500_KHZ 500
#define DPLL_LOCKED_FREQ_TOLERANCE_1_MHZ 1000
#define DPLL_NO_LOCK 0
#define DPLL_LOCK 1
#define NUM_SYS_CLKS 7
struct dpll_regs {
u32 cm_clkmode_dpll;
u32 cm_idlest_dpll;
u32 cm_autoidle_dpll;
u32 cm_clksel_dpll;
u32 cm_div_m2_dpll;
u32 cm_div_m3_dpll;
u32 cm_div_m4_dpll;
u32 cm_div_m5_dpll;
u32 cm_div_m6_dpll;
u32 cm_div_m7_dpll;
};
/* DPLL parameter table */
struct dpll_params {
u32 m;
u32 n;
u8 m2;
u8 m3;
u8 m4;
u8 m5;
u8 m6;
u8 m7;
};
#endif /* _CLOCKS_OMAP4_H_ */

@ -22,6 +22,7 @@
#define _SYS_PROTO_H_
#include <asm/arch/omap4.h>
#include <asm/arch/clocks.h>
#include <asm/io.h>
#include <asm/omap_common.h>
#include <asm/arch/mux_omap4.h>
@ -31,6 +32,8 @@ struct omap_sysinfo {
};
extern const struct omap_sysinfo sysinfo;
extern struct omap4_prcm_regs *const prcm;
void gpmc_init(void);
void watchdog_init(void);
u32 get_device_type(void);
@ -41,6 +44,11 @@ u32 wait_on_value(u32, u32, void *, u32);
void sdelay(unsigned long);
void set_pl310_ctrl_reg(u32 val);
void omap_rev_string(char *omap4_rev_string);
void prcm_init(void);
void bypass_dpll(u32 *const base);
void freq_update_core(void);
u32 get_sys_clk_freq(void);
u32 omap4_ddr_clk(void);
static inline u32 running_from_sdram(void)
{

@ -25,6 +25,9 @@
#ifndef _OMAP_COMMON_H_
#define _OMAP_COMMON_H_
/* Max value for DPLL multiplier M */
#define OMAP_DPLL_MAX_N 127
/* HW Init Context */
#define OMAP_INIT_CONTEXT_SPL 0
#define OMAP_INIT_CONTEXT_UBOOT_FROM_NOR 1

@ -0,0 +1,197 @@
/*
* Program for finding M & N values for DPLLs
* To be run on Host PC
*
* (C) Copyright 2010
* Texas Instruments, <www.ti.com>
*
* Aneesh V <aneesh@ti.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <stdlib.h>
#include <stdio.h>
typedef unsigned int u32;
#define MAX_N 127
/*
* get_m_n_optimized() - Finds optimal DPLL multiplier(M) and divider(N)
* values based on the reference frequency, required output frequency,
* maximum tolerance for output frequency etc.
*
* target_freq_khz - output frequency required in KHz
* ref_freq_khz - reference(input) frequency in KHz
* m - pointer to computed M value
* n - pointer to computed N value
* tolerance_khz - tolerance for the output frequency. When the algorithm
* succeeds in finding vialble M and N values the corresponding output
* frequency will be in the range:
* [target_freq_khz - tolerance_khz, target_freq_khz]
*
* Formula:
* Fdpll = (2 * M * Fref) / (N + 1)
*
* Considerations for lock-time:
* - Smaller the N, better lock-time, especially lock-time will be
* - For acceptable lock-times:
* Fref / (M + 1) >= 1 MHz
*
* Considerations for power:
* - The difference in power for different N values giving the same
* output is negligible. So, we optimize for lock-time
*
* Hard-constraints:
* - N can not be greater than 127(7 bit field for representing N)
*
* Usage:
* $ gcc clocks_get_m_n.c
* $ ./a.out
*/
int get_m_n_optimized(u32 target_freq_khz, u32 ref_freq_khz, u32 *m, u32 *n,
u32 tolerance_khz)
{
u32 min_freq = target_freq_khz - tolerance_khz;
u32 max_freq = target_freq_khz;
u32 freq, freq_old;
*n = 1;
while (1) {
*m = min_freq / ref_freq_khz / 2 * (*n) ;
freq_old = 0;
while (1) {
freq = ref_freq_khz * 2 * (*m) / (*n);
if (abs(target_freq_khz - freq_old) <=
abs(target_freq_khz - freq)) {
freq = freq_old;
(*m)--;
break;
}
(*m)++;
freq_old = freq;
}
if (freq >= min_freq && freq <= max_freq)
break;
(*n)++;
if ((*n) > MAX_N + 1) {
printf("ref %d m %d n %d target %d : ",
ref_freq_khz, *m, *n, target_freq_khz);
printf("can not find m & n - please consider"
" increasing tolerance\n");
return -1;
}
}
(*n)--;
printf("ref %d m %d n %d target %d locked %d\n",
ref_freq_khz, *m, *n, target_freq_khz, freq);
if ((ref_freq_khz / (*n + 1)) < 1000) {
printf("\tREFCLK - CLKINP/(N+1) is less than 1 MHz - less than"
" ideal, locking time will be high!\n");
}
return 0;
}
void main(void)
{
u32 m, n;
printf("\nMPU - 2000000\n");
get_m_n_optimized(2000000, 12000, &m, &n, 0);
get_m_n_optimized(2000000, 13000, &m, &n, 0);
get_m_n_optimized(2000000, 16800, &m, &n, 800);
get_m_n_optimized(2000000, 19200, &m, &n, 0);
get_m_n_optimized(2000000, 26000, &m, &n, 0);
get_m_n_optimized(2000000, 27000, &m, &n, 0);
get_m_n_optimized(2000000, 38400, &m, &n, 0);
printf("\nMPU - 1200000\n");
get_m_n_optimized(1200000, 12000, &m, &n, 0);
get_m_n_optimized(1200000, 13000, &m, &n, 0);
get_m_n_optimized(1200000, 16800, &m, &n, 800);
get_m_n_optimized(1200000, 19200, &m, &n, 0);
get_m_n_optimized(1200000, 26000, &m, &n, 0);
get_m_n_optimized(1200000, 27000, &m, &n, 0);
get_m_n_optimized(1200000, 38400, &m, &n, 0);
printf("\nMPU - 1584000\n");
get_m_n_optimized(1584000, 12000, &m, &n, 0);
get_m_n_optimized(1584000, 13000, &m, &n, 0);
get_m_n_optimized(1584000, 16800, &m, &n, 400);
get_m_n_optimized(1584000, 19200, &m, &n, 0);
get_m_n_optimized(1584000, 26000, &m, &n, 0);
get_m_n_optimized(1584000, 27000, &m, &n, 0);
get_m_n_optimized(1584000, 38400, &m, &n, 0);
printf("\nCore 1600000\n");
get_m_n_optimized(1600000, 12000, &m, &n, 0);
get_m_n_optimized(1600000, 13000, &m, &n, 0);
get_m_n_optimized(1600000, 16800, &m, &n, 200);
get_m_n_optimized(1600000, 19200, &m, &n, 0);
get_m_n_optimized(1600000, 26000, &m, &n, 0);
get_m_n_optimized(1600000, 27000, &m, &n, 0);
get_m_n_optimized(1600000, 38400, &m, &n, 0);
printf("\nPER 1536000\n");
get_m_n_optimized(1536000, 12000, &m, &n, 0);
get_m_n_optimized(1536000, 13000, &m, &n, 0);
get_m_n_optimized(1536000, 16800, &m, &n, 0);
get_m_n_optimized(1536000, 19200, &m, &n, 0);
get_m_n_optimized(1536000, 26000, &m, &n, 0);
get_m_n_optimized(1536000, 27000, &m, &n, 0);
get_m_n_optimized(1536000, 38400, &m, &n, 0);
printf("\nIVA 1862000\n");
get_m_n_optimized(1862000, 12000, &m, &n, 0);
get_m_n_optimized(1862000, 13000, &m, &n, 0);
get_m_n_optimized(1862000, 16800, &m, &n, 0);
get_m_n_optimized(1862000, 19200, &m, &n, 900);
get_m_n_optimized(1862000, 26000, &m, &n, 0);
get_m_n_optimized(1862000, 27000, &m, &n, 0);
get_m_n_optimized(1862000, 38400, &m, &n, 800);
printf("\nABE 196608 sys clk\n");
get_m_n_optimized(196608, 12000, &m, &n, 700);
get_m_n_optimized(196608, 13000, &m, &n, 200);
get_m_n_optimized(196608, 16800, &m, &n, 700);
get_m_n_optimized(196608, 19200, &m, &n, 400);
get_m_n_optimized(196608, 26000, &m, &n, 200);
get_m_n_optimized(196608, 27000, &m, &n, 900);
get_m_n_optimized(196608, 38400, &m, &n, 0);
printf("\nABE 196608 32K\n");
get_m_n_optimized(196608000/4, 32768, &m, &n, 0);
printf("\nUSB 1920000\n");
get_m_n_optimized(1920000, 12000, &m, &n, 0);
get_m_n_optimized(1920000, 13000, &m, &n, 0);
get_m_n_optimized(1920000, 16800, &m, &n, 0);
get_m_n_optimized(1920000, 19200, &m, &n, 0);
get_m_n_optimized(1920000, 26000, &m, &n, 0);
get_m_n_optimized(1920000, 27000, &m, &n, 0);
get_m_n_optimized(1920000, 38400, &m, &n, 0);
printf("\nCore ES1 1523712\n");
get_m_n_optimized(1524000, 12000, &m, &n, 100);
get_m_n_optimized(1524000, 13000, &m, &n, 0);
get_m_n_optimized(1524000, 16800, &m, &n, 0);
get_m_n_optimized(1524000, 19200, &m, &n, 0);
get_m_n_optimized(1524000, 26000, &m, &n, 0);
get_m_n_optimized(1524000, 27000, &m, &n, 0);
/* exact recommendation for SDPs */
get_m_n_optimized(1523712, 38400, &m, &n, 0);
}
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