/* * Copyright (c) 2010, Mariano Alvira and other contributors * to the MC1322x project (http://mc1322x.devl.org) * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * This file is part of libmc1322x: see http://mc1322x.devl.org * for details. * * */ #ifndef CRM_H #define CRM_H #include #define CRM_BASE (0x80003000) /* Structure-based CRM access */ struct CRM_struct { union { uint32_t SYS_CNTL; struct CRM_SYS_CNTL { uint32_t PWR_SOURCE:2; uint32_t PADS_1P8V_SEL:1; uint32_t :1; uint32_t JTAG_SECU_OFF:1; uint32_t XTAL32_EXISTS:1; uint32_t :2; uint32_t XTAL_CLKDIV:6; uint32_t :18; } SYS_CNTLbits; }; union { uint32_t WU_CNTL; struct CRM_WU_CNTL { uint32_t TIMER_WU_EN:1; uint32_t RTC_WU_EN:1; uint32_t HOST_WAKE:1; uint32_t AUTO_ADC:1; uint32_t EXT_WU_EN:4; uint32_t EXT_WU_EDGE:4; uint32_t EXT_WU_POL:4; uint32_t TIMER_WU_IEN:1; uint32_t RTC_WU_IEN:1; uint32_t :2; uint32_t EXT_WU_IEN:4; uint32_t :4; uint32_t EXT_OUT_POL:4; } WU_CNTLbits; }; union { uint32_t SLEEP_CNTL; struct CRM_SLEEP_CNTL { uint32_t HIB:1; uint32_t DOZE:1; uint32_t :2; uint32_t RAM_RET:2; uint32_t MCU_RET:1; uint32_t DIG_PAD_EN:1; uint32_t :24; } SLEEP_CNTLbits; }; union { uint32_t BS_CNTL; struct CRM_BS_CNTL { uint32_t BS_EN:1; uint32_t WAIT4IRQ:1; uint32_t BS_MAN_EN:1; uint32_t :2; uint32_t ARM_OFF_TIME:6; uint32_t :18; } BS_CNTLbits; }; union { uint32_t COP_CNTL; struct CRM_COP_CNTL { uint32_t COP_EN:1; uint32_t COP_OUT:1; uint32_t COP_WP:1; uint32_t :5; uint32_t COP_TIMEOUT:7; uint32_t :1; uint32_t COP_COUNT:7; uint32_t :9; } COP_CNTLbits; }; uint32_t COP_SERVICE; union { uint32_t STATUS; struct CRM_STATUS { uint32_t SLEEP_SYNC:1; uint32_t HIB_WU_EVT:1; uint32_t DOZE_WU_EVT:1; uint32_t RTC_WU_EVT:1; uint32_t EXT_WU_EVT:4; uint32_t :1; uint32_t CAL_DONE:1; uint32_t COP_EVT:1; uint32_t :6; uint32_t VREG_BUCK_RDY:1; uint32_t VREG_1P8V_RDY:1; uint32_t VREG_1P5V_RDY:1; uint32_t :12; } STATUSbits; }; union { uint32_t MOD_STATUS; struct CRM_MOD_STATUS { uint32_t ARM_EN:1; uint32_t MACA_EN:1; uint32_t ASM_EN:1; uint32_t SPI_EN:1; uint32_t GPIO_EN:1; uint32_t UART1_EN:1; uint32_t UART2_EN:1; uint32_t TMR_EN:1; uint32_t RIF_EN:1; uint32_t I2C_EN:1; uint32_t SSI_EN:1; uint32_t SPIF_EN:1; uint32_t ADC_EN:1; uint32_t :1; uint32_t JTA_EN:1; uint32_t NEX_EN:1; uint32_t :1; uint32_t AIM_EN:1; uint32_t :14; } MOD_STATUSbits; }; uint32_t WU_COUNT; uint32_t WU_TIMEOUT; uint32_t RTC_COUNT; uint32_t RTC_TIMEOUT; uint32_t reserved1; union { uint32_t CAL_CNTL; struct CRM_CAL_CNTL { uint32_t CAL_TIMEOUT:16; uint32_t CAL_EN:1; uint32_t CAL_IEN:1; uint32_t :14; } CAL_CNTLbits; }; uint32_t CAL_COUNT; union { uint32_t RINGOSC_CNTL; struct CRM_RINGOSC_CNTL { uint32_t ROSC_EN:1; uint32_t :3; uint32_t ROSC_FTUNE:5; uint32_t ROSC_CTUNE:4; uint32_t :19; } RINGOSC_CNTLbits; }; union { uint32_t XTAL_CNTL; struct CRM_XTAL_CNTL { uint32_t :8; uint32_t XTAL_IBIAS_SEL:4; uint32_t :4; uint32_t XTAL_FTUNE:5; uint32_t XTAL_CTUNE:5; uint32_t :6; } XTAL_CNTLbits; }; union { uint32_t XTAL32_CNTL; struct CRM_XTAL32_CNTL { uint32_t XTAL32_EN:1; uint32_t :3; uint32_t XTAL32_GAIN:2; uint32_t :26; } XTAL32_CNTLbits; }; union { uint32_t VREG_CNTL; struct CRM_VREG_CNTL { uint32_t BUCK_EN:1; uint32_t BUCK_SYNC_REC_EN:1; uint32_t BUCK_BYPASS_EN:1; uint32_t VREG_1P5V_EN:2; uint32_t VREG_1P5V_SEL:2; uint32_t VREG_1P8V_EN:1; uint32_t BUCK_CLKDIV:4; uint32_t :20; } VREG_CNTLbits; }; uint32_t reserved2; uint32_t SW_RST; uint32_t reserved3; uint32_t reserved4; uint32_t reserved5; uint32_t reserved6; }; static volatile struct CRM_struct * const CRM = (void *) (CRM_BASE); /* COP watchdog timer helpers */ /* set the cop timout in milliseconds */ #define cop_timeout_ms(x) (CRM->COP_CNTLbits.COP_TIMEOUT = x/87) #define cop_service() (CRM->COP_SERVICE = 0xc0de5afe) /* Old register definitions, for compatibility */ #ifndef REG_NO_COMPAT static volatile uint32_t * const CRM_SYS_CNTL = ((volatile uint32_t *) (CRM_BASE+0x00)); static volatile uint32_t * const CRM_WU_CNTL = ((volatile uint32_t *) (CRM_BASE+0x04)); static volatile uint32_t * const CRM_SLEEP_CNTL = ((volatile uint32_t *) (CRM_BASE+0x08)); static volatile uint32_t * const CRM_BS_CNTL = ((volatile uint32_t *) (CRM_BASE+0x0c)); static volatile uint32_t * const CRM_COP_CNTL = ((volatile uint32_t *) (CRM_BASE+0x10)); static volatile uint32_t * const CRM_COP_SERVICE= ((volatile uint32_t *) (CRM_BASE+0x14)); static volatile uint32_t * const CRM_STATUS = ((volatile uint32_t *) (CRM_BASE+0x18)); static volatile uint32_t * const CRM_MOD_STATUS = ((volatile uint32_t *) (CRM_BASE+0x1c)); static volatile uint32_t * const CRM_WU_COUNT = ((volatile uint32_t *) (CRM_BASE+0x20)); static volatile uint32_t * const CRM_WU_TIMEOUT = ((volatile uint32_t *) (CRM_BASE+0x24)); static volatile uint32_t * const CRM_RTC_COUNT = ((volatile uint32_t *) (CRM_BASE+0x28)); static volatile uint32_t * const CRM_RTC_TIMEOUT= ((volatile uint32_t *) (CRM_BASE+0x2c)); static volatile uint32_t * const CRM_CAL_CNTL = ((volatile uint32_t *) (CRM_BASE+0x34)); static volatile uint32_t * const CRM_CAL_COUNT = ((volatile uint32_t *) (CRM_BASE+0x38)); static volatile uint32_t * const CRM_RINGOSC_CNT= ((volatile uint32_t *) (CRM_BASE+0x3c)); static volatile uint32_t * const CRM_XTAL_CNTL = ((volatile uint32_t *) (CRM_BASE+0x40)); static volatile uint32_t * const CRM_XTAL32_CNTL= ((volatile uint32_t *) (CRM_BASE+0x44)); static volatile uint32_t * const CRM_VREG_CNTL = ((volatile uint32_t *) (CRM_BASE+0x48)); static volatile uint32_t * const CRM_SW_RST = ((volatile uint32_t *) (CRM_BASE+0x50)); /* CRM_SYS_CNTL bit locations */ static const int XTAL32_EXISTS = 5; /* CRM_WU_CNTL bit locations */ static const int EXT_WU_IEN = 20; /* 4 bits */ static const int EXT_WU_EN = 4; /* 4 bits */ static const int EXT_WU_EDGE = 8; /* 4 bits */ static const int EXT_WU_POL = 12; /* 4 bits */ static const int TIMER_WU_EN = 0; static const int RTC_WU_EN = 1; static const int TIMER_WU_IEN = 16; static const int RTC_WU_IEN = 17; /* CRM_STATUS bit locations */ static const int EXT_WU_EVT = 4; /* 4 bits, rw1c */ static const int RTC_WU_EVT = 3; /* rw1c */ /* RINGOSC_CNTL bit locations */ static const int ROSC_CTUNE = 9; /* 4 bits */ static const int ROSC_FTUNE = 4; /* 4 bits */ static const int ROSC_EN = 0; #define ring_osc_on() (CRM->RINGOSC_CNTLbits.ROSC_EN = 1) #define ring_osc_off() (CRM->RINGOSC_CNTLbits.ROSC_EN = 0) #define REF_OSC 24000000UL /* reference osc. frequency */ #define NOMINAL_RING_OSC_SEC 2000 /* nominal ring osc. frequency */ extern uint32_t cal_rtc_secs; /* calibrated 2khz rtc seconds */ /* XTAL32_CNTL bit locations */ static const int XTAL32_GAIN = 4; /* 2 bits */ static const int XTAL32_EN = 0; #define xtal32_on() (set_bit(*CRM_XTAL32_CNTL,XTAL32_EN)) #define xtal32_off() (clear_bit(*CRM_XTAL32_CNTL,XTAL32_EN)) #define xtal32_exists() (set_bit(*CRM_SYS_CNTL,XTAL32_EXISTS)) /* enable external wake-ups on kbi 4-7 */ /* see kbi.h for other kbi specific macros */ #define enable_ext_wu(kbi) (set_bit(*CRM_WU_CNTL,(EXT_WU_EN+kbi-4))) #define disable_ext_wu(kbi) (clear_bit(*CRM_WU_CNTL,(EXT_WU_EN+kbi-4))) #define is_ext_wu_evt(kbi) (bit_is_set(*CRM_STATUS,(EXT_WU_EVT+kbi-4))) #define clear_ext_wu_evt(kbi) (set_bit(*CRM_STATUS,(EXT_WU_EVT+kbi-4))) /* r1wc bit */ /* enable wake-up timer */ #define enable_timer_wu_irq() ((set_bit(*CRM_WU_CNTL,(TIMER_WU_IEN)))) #define disable_timer_wu_irq() ((clear_bit(*CRM_WU_CNTL,(TIMER_WU_IEN)))) #define enable_timer_wu() ((set_bit(*CRM_WU_CNTL,(TIMER_WU_EN)))) #define disable_timer_wu() ((clear_bit(*CRM_WU_CNTL,(TIMER_WU_EN)))) /* enable wake-up from RTC compare */ #define enable_rtc_wu_irq() (set_bit(*CRM_WU_CNTL,RTC_WU_IEN)) #define disable_rtc_wu_irq() (clear_bit(*CRM_WU_CNTL,RTC_WU_IEN)) #define enable_rtc_wu() ((set_bit(*CRM_WU_CNTL,(RTC_WU_EN)))) #define disable_rtc_wu() ((clear_bit(*CRM_WU_CNTL,(RTC_WU_EN)))) #define clear_rtc_wu_evt() (set_bit(*CRM_STATUS,RTC_WU_EVT)) #define rtc_wu_evt() (bit_is_set(*CRM_STATUS,RTC_WU_EVT)) #define SLEEP_MODE_HIBERNATE bit(0) #define SLEEP_MODE_DOZE bit(1) #define SLEEP_PAD_PWR bit(7) #define SLEEP_RETAIN_MCU bit(6) #define sleep_ram_retain(x) (x<<4) /* 0-3 */ #define SLEEP_RAM_8K sleep_ram_retain(0) #define SLEEP_RAM_32K sleep_ram_retain(1) #define SLEEP_RAM_64K sleep_ram_retain(2) #define SLEEP_RAM_96K sleep_ram_retain(3) #define pack_XTAL_CNTL(ctune4pf, ctune, ftune, ibias) \ (*CRM_XTAL_CNTL = ((ctune4pf << 25) | (ctune << 21) | ( ftune << 16) | (ibias << 8) | 0x52)) #define soft_reset() \ __asm__ __volatile__ ( \ "ldr r0, [%[sw]] \n\t" \ "str r0, [%[sw]] \n\t" \ : /* out */ \ : /* in */ \ [sw] "l" (CRM_SW_RST) \ : /* clobber list */ \ "r0", "memory" \ ); #endif /* REG_NO_COMPAT */ #endif