AT91CAP9 support - cpu/ files

Signed-off-by: Stelian Pop stelian@popies.net

--- include/asm-arm/arch-at91cap9/AT91CAP9.h | 518 ++++++++++++++++++++++++++++ include/asm-arm/arch-at91cap9/clk.h | 39 ++ include/asm-arm/arch-at91cap9/hardware.h | 38 ++ include/asm-arm/arch-at91cap9/memory-map.h | 34 ++ include/asm-arm/dma-mapping.h | 50 +++ 5 files changed, 679 insertions(+), 0 deletions(-) create mode 100644 include/asm-arm/arch-at91cap9/AT91CAP9.h create mode 100644 include/asm-arm/arch-at91cap9/clk.h create mode 100644 include/asm-arm/arch-at91cap9/hardware.h create mode 100644 include/asm-arm/arch-at91cap9/memory-map.h create mode 100644 include/asm-arm/dma-mapping.h

diff --git a/include/asm-arm/arch-at91cap9/AT91CAP9.h b/include/asm-arm/arch-at91cap9/AT91CAP9.h new file mode 100644 index 0000000..198450c --- /dev/null +++ b/include/asm-arm/arch-at91cap9/AT91CAP9.h @@ -0,0 +1,518 @@ +/* + * (C) Copyright 2008 + * AT91CAP9 definitions + * Author : ATMEL AT91 application group + * + * 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 AT91CAP9_H +#define AT91CAP9_H + +typedef volatile unsigned int AT91_REG; + +/* Static Memory Controller */ +typedef struct _AT91S_SMC { + AT91_REG SMC_SETUP0; /* Setup Register for CS 0 */ + AT91_REG SMC_PULSE0; /* Pulse Register for CS 0 */ + AT91_REG SMC_CYCLE0; /* Cycle Register for CS 0 */ + AT91_REG SMC_CTRL0; /* Control Register for CS 0 */ + AT91_REG SMC_SETUP1; /* Setup Register for CS 1 */ + AT91_REG SMC_PULSE1; /* Pulse Register for CS 1 */ + AT91_REG SMC_CYCLE1; /* Cycle Register for CS 1 */ + AT91_REG SMC_CTRL1; /* Control Register for CS 1 */ + AT91_REG SMC_SETUP2; /* Setup Register for CS 2 */ + AT91_REG SMC_PULSE2; /* Pulse Register for CS 2 */ + AT91_REG SMC_CYCLE2; /* Cycle Register for CS 2 */ + AT91_REG SMC_CTRL2; /* Control Register for CS 2 */ + AT91_REG SMC_SETUP3; /* Setup Register for CS 3 */ + AT91_REG SMC_PULSE3; /* Pulse Register for CS 3 */ + AT91_REG SMC_CYCLE3; /* Cycle Register for CS 3 */ + AT91_REG SMC_CTRL3; /* Control Register for CS 3 */ + AT91_REG SMC_SETUP4; /* Setup Register for CS 4 */ + AT91_REG SMC_PULSE4; /* Pulse Register for CS 4 */ + AT91_REG SMC_CYCLE4; /* Cycle Register for CS 4 */ + AT91_REG SMC_CTRL4; /* Control Register for CS 4 */ + AT91_REG SMC_SETUP5; /* Setup Register for CS 5 */ + AT91_REG SMC_PULSE5; /* Pulse Register for CS 5 */ + AT91_REG SMC_CYCLE5; /* Cycle Register for CS 5 */ + AT91_REG SMC_CTRL5; /* Control Register for CS 5 */ + AT91_REG SMC_SETUP6; /* Setup Register for CS 6 */ + AT91_REG SMC_PULSE6; /* Pulse Register for CS 6 */ + AT91_REG SMC_CYCLE6; /* Cycle Register for CS 6 */ + AT91_REG SMC_CTRL6; /* Control Register for CS 6 */ + AT91_REG SMC_SETUP7; /* Setup Register for CS 7 */ + AT91_REG SMC_PULSE7; /* Pulse Register for CS 7 */ + AT91_REG SMC_CYCLE7; /* Cycle Register for CS 7 */ + AT91_REG SMC_CTRL7; /* Control Register for CS 7 */ +} AT91S_SMC, *AT91PS_SMC; + +/* SMC_SETUP : (SMC Offset: 0x0) Setup Register for CS x */ +#define AT91C_SMC_NWESETUP (0x3F << 0) /* NWE Setup Length */ +#define AT91C_SMC_NCSSETUPWR (0x3F << 8) /* NCS Setup Length for WRite */ +#define AT91C_SMC_NRDSETUP (0x3F << 16) /* NRD Setup Length */ +#define AT91C_SMC_NCSSETUPRD (0x3F << 24) /* NCS Setup Length for ReaD */ +/* SMC_PULSE : (SMC Offset: 0x4) Pulse Register for CS x */ +#define AT91C_SMC_NWEPULSE (0x7F << 0) /* NWE Pulse Length */ +#define AT91C_SMC_NCSPULSEWR (0x7F << 8) /* NCS Pulse Length for WRite */ +#define AT91C_SMC_NRDPULSE (0x7F << 16) /* NRD Pulse Length */ +#define AT91C_SMC_NCSPULSERD (0x7F << 24) /* NCS Pulse Length for ReaD */ +/* SMC_CYC : (SMC Offset: 0x8) Cycle Register for CS x */ +#define AT91C_SMC_NWECYCLE (0x1FF << 0) /* Total Write Cycle Length */ +#define AT91C_SMC_NRDCYCLE (0x1FF << 16) /* Total Read Cycle Length */ +/* SMC_CTRL : (SMC Offset: 0xc) Control Register for CS x */ +#define AT91C_SMC_READMODE (0x1 << 0) /* Read Mode */ +#define AT91C_SMC_WRITEMODE (0x1 << 1) /* Write Mode */ +#define AT91C_SMC_NWAITM (0x3 << 5) /* NWAIT Mode */ + /* External NWAIT disabled */ +#define AT91C_SMC_NWAITM_NWAIT_DISABLE (0x0 << 5) + /* External NWAIT enabled in frozen mode */ +#define AT91C_SMC_NWAITM_NWAIT_ENABLE_FROZEN (0x2 << 5) + /* External NWAIT enabled in ready mode */ +#define AT91C_SMC_NWAITM_NWAIT_ENABLE_READY (0x3 << 5) +#define AT91C_SMC_BAT (0x1 << 8) /* Byte Access Type */ + /* + * Write controled by ncs, nbs0, nbs1, nbs2, nbs3. + * Read controled by ncs, nrd, nbs0, nbs1, nbs2, nbs3. + */ +#define AT91C_SMC_BAT_BYTE_SELECT (0x0 << 8) + /* + * Write controled by ncs, nwe0, nwe1, nwe2, nwe3. + * Read controled by ncs and nrd. + */ +#define AT91C_SMC_BAT_BYTE_WRITE (0x1 << 8) +#define AT91C_SMC_DBW (0x3 << 12) /* Data Bus Width */ +#define AT91C_SMC_DBW_WIDTH_EIGTH_BITS (0x0 << 12) +#define AT91C_SMC_DBW_WIDTH_SIXTEEN_BITS (0x1 << 12) +#define AT91C_SMC_DBW_WIDTH_THIRTY_TWO_BITS (0x2 << 12) +#define AT91C_SMC_TDF (0xF << 16) /* Data Float Time */ +#define AT91C_SMC_TDFEN (0x1 << 20) /* TDF Enabled */ +#define AT91C_SMC_PMEN (0x1 << 24) /* Page Mode Enabled */ +#define AT91C_SMC_PS (0x3 << 28) /* Page Size */ +#define AT91C_SMC_PS_SIZE_FOUR_BYTES (0x0 << 28) +#define AT91C_SMC_PS_SIZE_EIGHT_BYTES (0x1 << 28) +#define AT91C_SMC_PS_SIZE_SIXTEEN_BYTES (0x2 << 28) +#define AT91C_SMC_PS_SIZE_THIRTY_TWO_BYTES (0x3 << 28) +/* SMC_SETUP : (SMC Offset: 0x10) Setup Register for CS x */ +/* SMC_PULSE : (SMC Offset: 0x14) Pulse Register for CS x */ +/* SMC_CYC : (SMC Offset: 0x18) Cycle Register for CS x */ +/* SMC_CTRL : (SMC Offset: 0x1c) Control Register for CS x */ +/* SMC_SETUP : (SMC Offset: 0x20) Setup Register for CS x */ +/* SMC_PULSE : (SMC Offset: 0x24) Pulse Register for CS x */ +/* SMC_CYC : (SMC Offset: 0x28) Cycle Register for CS x */ +/* SMC_CTRL : (SMC Offset: 0x2c) Control Register for CS x */ +/* SMC_SETUP : (SMC Offset: 0x30) Setup Register for CS x */ +/* SMC_PULSE : (SMC Offset: 0x34) Pulse Register for CS x */ +/* SMC_CYC : (SMC Offset: 0x38) Cycle Register for CS x */ +/* SMC_CTRL : (SMC Offset: 0x3c) Control Register for CS x */ +/* SMC_SETUP : (SMC Offset: 0x40) Setup Register for CS x */ +/* SMC_PULSE : (SMC Offset: 0x44) Pulse Register for CS x */ +/* SMC_CYC : (SMC Offset: 0x48) Cycle Register for CS x */ +/* SMC_CTRL : (SMC Offset: 0x4c) Control Register for CS x */ +/* SMC_SETUP : (SMC Offset: 0x50) Setup Register for CS x */ +/* SMC_PULSE : (SMC Offset: 0x54) Pulse Register for CS x */ +/* SMC_CYC : (SMC Offset: 0x58) Cycle Register for CS x */ +/* SMC_CTRL : (SMC Offset: 0x5c) Control Register for CS x */ +/* SMC_SETUP : (SMC Offset: 0x60) Setup Register for CS x */ +/* SMC_PULSE : (SMC Offset: 0x64) Pulse Register for CS x */ +/* SMC_CYC : (SMC Offset: 0x68) Cycle Register for CS x */ +/* SMC_CTRL : (SMC Offset: 0x6c) Control Register for CS x */ +/* SMC_SETUP : (SMC Offset: 0x70) Setup Register for CS x */ +/* SMC_PULSE : (SMC Offset: 0x74) Pulse Register for CS x */ +/* SMC_CYC : (SMC Offset: 0x78) Cycle Register for CS x */ +/* SMC_CTRL : (SMC Offset: 0x7c) Control Register for CS x */ + +/* AHB CCFG */ +typedef struct _AT91S_CCFG { + AT91_REG Reserved0[1]; + AT91_REG CCFG_MPBS0; /* MPB Slave 0 */ + AT91_REG CCFG_UDPHS; /* AHB Periphs */ + AT91_REG CCFG_MPBS1; /* MPB Slave 1 */ + AT91_REG CCFG_EBICSA; /* EBI Chip Select Assignement */ + AT91_REG Reserved1[2]; + AT91_REG CCFG_MPBS2; /* MPB Slave 2 */ + AT91_REG CCFG_MPBS3; /* MPB Slave 3 */ + AT91_REG CCFG_BRIDGE; /* APB Bridge */ + AT91_REG Reserved2[49]; + AT91_REG CCFG_MATRIXVERSION;/* Version */ +} AT91S_CCFG, *AT91PS_CCFG; + +/* CCFG_UDPHS : (CCFG Offset: 0x8) UDPHS Configuration */ +#define AT91C_CCFG_UDPHS_UDP_SELECT (0x1 << 31) /* UDPHS or UDP */ +#define AT91C_CCFG_UDPHS_UDP_SELECT_UDPHS (0x0 << 31) +#define AT91C_CCFG_UDPHS_UDP_SELECT_UDP (0x1 << 31) +/* CCFG_EBICSA : (CCFG Offset: 0x10) EBI Chip Select Assignement Register */ +#define AT91C_EBI_CS1A (0x1 << 1) /* CS1 Assignment */ +#define AT91C_EBI_CS1A_SMC (0x0 << 1) +#define AT91C_EBI_CS1A_BCRAMC (0x1 << 1) +#define AT91C_EBI_CS3A (0x1 << 3) /* CS 3 Assignment */ +#define AT91C_EBI_CS3A_SMC (0x0 << 3) +#define AT91C_EBI_CS3A_SM (0x1 << 3) +#define AT91C_EBI_CS4A (0x1 << 4) /* CS4 Assignment */ +#define AT91C_EBI_CS4A_SMC (0x0 << 4) +#define AT91C_EBI_CS4A_CF (0x1 << 4) +#define AT91C_EBI_CS5A (0x1 << 5) /* CS 5 Assignment */ +#define AT91C_EBI_CS5A_SMC (0x0 << 5) +#define AT91C_EBI_CS5A_CF (0x1 << 5) +#define AT91C_EBI_DBPUC (0x1 << 8) /* Data Bus Pull-up */ +#define AT91C_EBI_DDRPUC (0x1 << 9) /* DDDR DQS Pull-up */ +#define AT91C_EBI_SUP (0x1 << 16) /* EBI Supply */ +#define AT91C_EBI_SUP_1V8 (0x0 << 16) +#define AT91C_EBI_SUP_3V3 (0x1 << 16) +#define AT91C_EBI_LP (0x1 << 17) /* EBI Low Power */ +#define AT91C_EBI_LP_LOW_DRIVE (0x0 << 17) +#define AT91C_EBI_LP_STD_DRIVE (0x1 << 17) +#define AT91C_CCFG_DDR_SDR_SELECT (0x1 << 31) /* DDR or SDR */ +#define AT91C_CCFG_DDR_SDR_SELECT_DDR (0x0 << 31) +#define AT91C_CCFG_DDR_SDR_SELECT_SDR (0x1 << 31) +/* CCFG_BRIDGE : (CCFG Offset: 0x24) BRIDGE Configuration */ +#define AT91C_CCFG_AES_TDES_SELECT (0x1 << 31) /* AES or TDES */ +#define AT91C_CCFG_AES_TDES_SELECT_AES (0x0 << 31) +#define AT91C_CCFG_AES_TDES_SELECT_TDES (0x1 << 31) + +/* PIO controller */ +typedef struct _AT91S_PIO { + AT91_REG PIO_PER; /* PIO Enable Register */ + AT91_REG PIO_PDR; /* PIO Disable Register */ + AT91_REG PIO_PSR; /* PIO Status Register */ + AT91_REG Reserved0[1]; + AT91_REG PIO_OER; /* Output Enable Register */ + AT91_REG PIO_ODR; /* Output Disable Register */ + AT91_REG PIO_OSR; /* Output Status Register */ + AT91_REG Reserved1[1]; + AT91_REG PIO_IFER; /* Input Filter Enable Register */ + AT91_REG PIO_IFDR; /* Input Filter Disable Register */ + AT91_REG PIO_IFSR; /* Input Filter Status Register */ + AT91_REG Reserved2[1]; + AT91_REG PIO_SODR; /* Set Output Data Register */ + AT91_REG PIO_CODR; /* Clear Output Data Register */ + AT91_REG PIO_ODSR; /* Output Data Status Register */ + AT91_REG PIO_PDSR; /* Pin Data Status Register */ + AT91_REG PIO_IER; /* Interrupt Enable Register */ + AT91_REG PIO_IDR; /* Interrupt Disable Register */ + AT91_REG PIO_IMR; /* Interrupt Mask Register */ + AT91_REG PIO_ISR; /* Interrupt Status Register */ + AT91_REG PIO_MDER; /* Multi-driver Enable Register */ + AT91_REG PIO_MDDR; /* Multi-driver Disable Register */ + AT91_REG PIO_MDSR; /* Multi-driver Status Register */ + AT91_REG Reserved3[1]; + AT91_REG PIO_PPUDR; /* Pull-up Disable Register */ + AT91_REG PIO_PPUER; /* Pull-up Enable Register */ + AT91_REG PIO_PPUSR; /* Pull-up Status Register */ + AT91_REG Reserved4[1]; + AT91_REG PIO_ASR; /* Select A Register */ + AT91_REG PIO_BSR; /* Select B Register */ + AT91_REG PIO_ABSR; /* AB Select Status Register */ + AT91_REG Reserved5[9]; + AT91_REG PIO_OWER; /* Output Write Enable Register */ + AT91_REG PIO_OWDR; /* Output Write Disable Register */ + AT91_REG PIO_OWSR; /* Output Write Status Register */ +} AT91S_PIO, *AT91PS_PIO; + +/* Power Management Controller */ +typedef struct _AT91S_PMC { + AT91_REG PMC_SCER; /* System Clock Enable Register */ + AT91_REG PMC_SCDR; /* System Clock Disable Register */ + AT91_REG PMC_SCSR; /* System Clock Status Register */ + AT91_REG Reserved0[1]; + AT91_REG PMC_PCER; /* Peripheral Clock Enable Register */ + AT91_REG PMC_PCDR; /* Peripheral Clock Disable Register */ + AT91_REG PMC_PCSR; /* Peripheral Clock Status Register */ + AT91_REG PMC_UCKR; /* UTMI Clock Configuration Register */ + AT91_REG PMC_MOR; /* Main Oscillator Register */ + AT91_REG PMC_MCFR; /* Main Clock Frequency Register */ + AT91_REG PMC_PLLAR; /* PLL A Register */ + AT91_REG PMC_PLLBR; /* PLL B Register */ + AT91_REG PMC_MCKR; /* Master Clock Register */ + AT91_REG Reserved1[3]; + AT91_REG PMC_PCKR[8]; /* Programmable Clock Register */ + AT91_REG PMC_IER; /* Interrupt Enable Register */ + AT91_REG PMC_IDR; /* Interrupt Disable Register */ + AT91_REG PMC_SR; /* Status Register */ + AT91_REG PMC_IMR; /* Interrupt Mask Register */ +} AT91S_PMC, *AT91PS_PMC; + +/* PMC_SCER : (PMC Offset: 0x0) System Clock Enable Register */ +#define AT91C_PMC_PCK (0x1 << 0) /* Processor Clock */ +#define AT91C_PMC_OTG (0x1 << 5) /* USB OTG Clock */ +#define AT91C_PMC_UHP (0x1 << 6) /* USB Host Port Clock */ +#define AT91C_PMC_UDP (0x1 << 7) /* USB Device Port Clock */ +#define AT91C_PMC_PCK0 (0x1 << 8) /* Programmable Clock Output */ +#define AT91C_PMC_PCK1 (0x1 << 9) /* Programmable Clock Output */ +#define AT91C_PMC_PCK2 (0x1 << 10) /* Programmable Clock Output */ +#define AT91C_PMC_PCK3 (0x1 << 11) /* Programmable Clock Output */ +/* PMC_SCDR : (PMC Offset: 0x4) System Clock Disable Register */ +/* PMC_SCSR : (PMC Offset: 0x8) System Clock Status Register */ +/* CKGR_UCKR : (PMC Offset: 0x1c) UTMI Clock Configuration Register */ +/* CKGR_MOR : (PMC Offset: 0x20) Main Oscillator Register */ +/* CKGR_MCFR : (PMC Offset: 0x24) Main Clock Frequency Register */ +/* CKGR_PLLAR : (PMC Offset: 0x28) PLL A Register */ +/* CKGR_PLLBR : (PMC Offset: 0x2c) PLL B Register */ +/* PMC_MCKR : (PMC Offset: 0x30) Master Clock Register */ +#define AT91C_PMC_CSS (0x3 << 0) /* Clock Selection */ +#define AT91C_PMC_CSS_SLOW_CLK (0x0 << 0) /* Slow Clk */ +#define AT91C_PMC_CSS_MAIN_CLK (0x1 << 0) /* Main Clk */ +#define AT91C_PMC_CSS_PLLA_CLK (0x2 << 0) /* PLL A Clk */ +#define AT91C_PMC_CSS_PLLB_CLK (0x3 << 0) /* PLL B Clk */ +#define AT91C_PMC_PRES (0x7 << 2) /* Clock Prescaler */ +#define AT91C_PMC_PRES_CLK (0x0 << 2) +#define AT91C_PMC_PRES_CLK_2 (0x1 << 2) +#define AT91C_PMC_PRES_CLK_4 (0x2 << 2) +#define AT91C_PMC_PRES_CLK_8 (0x3 << 2) +#define AT91C_PMC_PRES_CLK_16 (0x4 << 2) +#define AT91C_PMC_PRES_CLK_32 (0x5 << 2) +#define AT91C_PMC_PRES_CLK_64 (0x6 << 2) +#define AT91C_PMC_MDIV (0x3 << 8) /* Master Clock Division */ +#define AT91C_PMC_MDIV_1 (0x0 << 8) +#define AT91C_PMC_MDIV_2 (0x1 << 8) +#define AT91C_PMC_MDIV_4 (0x2 << 8) +/* PMC_PCKR : (PMC Offset: 0x40) Programmable Clock Register */ +/* PMC_IER : (PMC Offset: 0x60) PMC Interrupt Enable Register */ +#define AT91C_PMC_MOSCS (0x1 << 0) /* MOSC mask */ +#define AT91C_PMC_LOCKA (0x1 << 1) /* PLL A mask */ +#define AT91C_PMC_LOCKB (0x1 << 2) /* PLL B mask */ +#define AT91C_PMC_MCKRDY (0x1 << 3) /* Master mask */ +#define AT91C_PMC_LOCKU (0x1 << 6) /* PLL UTMI mask */ +#define AT91C_PMC_PCK0RDY (0x1 << 8) /* PCK0_RDY mask */ +#define AT91C_PMC_PCK1RDY (0x1 << 9) /* PCK1_RDY mask */ +#define AT91C_PMC_PCK2RDY (0x1 << 10) /* PCK2_RDY mask */ +#define AT91C_PMC_PCK3RDY (0x1 << 11) /* PCK3_RDY mask */ +/* PMC_IDR : (PMC Offset: 0x64) PMC Interrupt Disable Register */ +/* PMC_SR : (PMC Offset: 0x68) PMC Status Register */ +/* PMC_IMR : (PMC Offset: 0x6c) PMC Interrupt Mask Register */ + +/* Reset controller */ +typedef struct _AT91S_RSTC { + AT91_REG RSTC_RCR; /* Reset Control Register */ + AT91_REG RSTC_RSR; /* Reset Status Register */ + AT91_REG RSTC_RMR; /* Reset Mode Register */ +} AT91S_RSTC, *AT91PS_RSTC; + +/* RSTC_RCR : (RSTC Offset: 0x0) Reset Control Register */ +#define AT91C_RSTC_PROCRST (0x1 << 0) /* Processor Reset */ +#define AT91C_RSTC_ICERST (0x1 << 1) /* ICE Interface Reset */ +#define AT91C_RSTC_PERRST (0x1 << 2) /* Peripheral Reset */ +#define AT91C_RSTC_EXTRST (0x1 << 3) /* External Reset */ +#define AT91C_RSTC_KEY (0xFF << 24) /* Password */ +/* RSTC_RSR : (RSTC Offset: 0x4) Reset Status Register */ +#define AT91C_RSTC_URSTS (0x1 << 0) /* User Reset Status */ +#define AT91C_RSTC_RSTTYP (0x7 << 8) /* Reset Type */ +#define AT91C_RSTC_RSTTYP_GENERAL (0x0 << 8) +#define AT91C_RSTC_RSTTYP_WAKEUP (0x1 << 8) +#define AT91C_RSTC_RSTTYP_WATCHDOG (0x2 << 8) +#define AT91C_RSTC_RSTTYP_SOFTWARE (0x3 << 8) +#define AT91C_RSTC_RSTTYP_USER (0x4 << 8) +#define AT91C_RSTC_NRSTL (0x1 << 16) /* NRST pin level */ +#define AT91C_RSTC_SRCMP (0x1 << 17) /* Software Rst in Progress. */ +/* RSTC_RMR : (RSTC Offset: 0x8) Reset Mode Register */ +#define AT91C_RSTC_URSTEN (0x1 << 0) /* User Reset Enable */ +#define AT91C_RSTC_URSTIEN (0x1 << 4) /* User Reset Int. Enable */ +#define AT91C_RSTC_ERSTL (0xF << 8) /* User Reset Enable */ + +/* Periodic Timer Controller */ +typedef struct _AT91S_PITC { + AT91_REG PITC_PIMR; /* Period Interval Mode Register */ + AT91_REG PITC_PISR; /* Period Interval Status Register */ + AT91_REG PITC_PIVR; /* Period Interval Value Register */ + AT91_REG PITC_PIIR; /* Period Interval Image Register */ +} AT91S_PITC, *AT91PS_PITC; + +/* PITC_PIMR : (PITC Offset: 0x0) Periodic Interval Mode Register */ +#define AT91C_PITC_PIV (0xFFFFF << 0) /* Periodic Interval Value */ +#define AT91C_PITC_PITEN (0x1 << 24) /* PIT Enable */ +#define AT91C_PITC_PITIEN (0x1 << 25) /* PIT Interrupt Enable */ +/* PITC_PISR : (PITC Offset: 0x4) Periodic Interval Status Register */ +#define AT91C_PITC_PITS (0x1 << 0) /* PIT Status */ +/* PITC_PIVR : (PITC Offset: 0x8) Periodic Interval Value Register */ +#define AT91C_PITC_CPIV (0xFFFFF << 0) /* Current Value */ +#define AT91C_PITC_PICNT (0xFFF << 20) /* Periodic Interval Counter */ +/* PITC_PIIR : (PITC Offset: 0xc) Periodic Interval Image Register */ + +/* Serial Paraller Interface */ +typedef struct _AT91S_SPI { + AT91_REG SPI_CR; /* Control Register */ + AT91_REG SPI_MR; /* Mode Register */ + AT91_REG SPI_RDR; /* Receive Data Register */ + AT91_REG SPI_TDR; /* Transmit Data Register */ + AT91_REG SPI_SR; /* Status Register */ + AT91_REG SPI_IER; /* Interrupt Enable Register */ + AT91_REG SPI_IDR; /* Interrupt Disable Register */ + AT91_REG SPI_IMR; /* Interrupt Mask Register */ + AT91_REG Reserved0[4]; + AT91_REG SPI_CSR[4]; /* Chip Select Register */ + AT91_REG Reserved1[48]; + AT91_REG SPI_RPR; /* Receive Pointer Register */ + AT91_REG SPI_RCR; /* Receive Counter Register */ + AT91_REG SPI_TPR; /* Transmit Pointer Register */ + AT91_REG SPI_TCR; /* Transmit Counter Register */ + AT91_REG SPI_RNPR; /* Receive Next Pointer Register */ + AT91_REG SPI_RNCR; /* Receive Next Counter Register */ + AT91_REG SPI_TNPR; /* Transmit Next Pointer Register */ + AT91_REG SPI_TNCR; /* Transmit Next Counter Register */ + AT91_REG SPI_PTCR; /* PDC Transfer Control Register */ + AT91_REG SPI_PTSR; /* PDC Transfer Status Register */ +} AT91S_SPI, *AT91PS_SPI; + +/* SPI_CR : (SPI Offset: 0x0) SPI Control Register */ +#define AT91C_SPI_SPIEN (0x1 << 0) /* SPI Enable */ +#define AT91C_SPI_SPIDIS (0x1 << 1) /* SPI Disable */ +#define AT91C_SPI_SWRST (0x1 << 7) /* SPI Software reset */ +#define AT91C_SPI_LASTXFER (0x1 << 24) /* SPI Last Transfer */ +/* SPI_MR : (SPI Offset: 0x4) SPI Mode Register */ +#define AT91C_SPI_MSTR (0x1 << 0) /* Master/Slave Mode */ +#define AT91C_SPI_PS (0x1 << 1) /* Peripheral Select */ +#define AT91C_SPI_PS_FIXED (0x0 << 1) +#define AT91C_SPI_PS_VARIABLE (0x1 << 1) +#define AT91C_SPI_PCSDEC (0x1 << 2) /* Chip Select Decode */ +#define AT91C_SPI_FDIV (0x1 << 3) /* Clock Selection */ +#define AT91C_SPI_MODFDIS (0x1 << 4) /* Mode Fault Detection */ +#define AT91C_SPI_LLB (0x1 << 7) /* Clock Selection */ +#define AT91C_SPI_PCS (0xF << 16) /* Peripheral Chip Select */ +#define AT91C_SPI_DLYBCS (0xFF << 24) /* Delay Between Chip Selects */ +/* SPI_RDR : (SPI Offset: 0x8) Receive Data Register */ +#define AT91C_SPI_RD (0xFFFF << 0) /* Receive Data */ +#define AT91C_SPI_RPCS (0xF << 16) /* Peripheral CS Status */ +/* SPI_TDR : (SPI Offset: 0xc) Transmit Data Register */ +#define AT91C_SPI_TD (0xFFFF << 0) /* Transmit Data */ +#define AT91C_SPI_TPCS (0xF << 16) /* Peripheral CS Status */ +/* SPI_SR : (SPI Offset: 0x10) Status Register */ +#define AT91C_SPI_RDRF (0x1 << 0) /* Receive Data Register Full */ +#define AT91C_SPI_TDRE (0x1 << 1) /* Trans. Data Register Empty */ +#define AT91C_SPI_MODF (0x1 << 2) /* Mode Fault Error */ +#define AT91C_SPI_OVRES (0x1 << 3) /* Overrun Error Status */ +#define AT91C_SPI_ENDRX (0x1 << 4) /* End of Receiver Transfer */ +#define AT91C_SPI_ENDTX (0x1 << 5) /* End of Receiver Transfer */ +#define AT91C_SPI_RXBUFF (0x1 << 6) /* RXBUFF Interrupt */ +#define AT91C_SPI_TXBUFE (0x1 << 7) /* TXBUFE Interrupt */ +#define AT91C_SPI_NSSR (0x1 << 8) /* NSSR Interrupt */ +#define AT91C_SPI_TXEMPTY (0x1 << 9) /* TXEMPTY Interrupt */ +#define AT91C_SPI_SPIENS (0x1 << 16) /* Enable Status */ +/* SPI_IER : (SPI Offset: 0x14) Interrupt Enable Register */ +/* SPI_IDR : (SPI Offset: 0x18) Interrupt Disable Register */ +/* SPI_IMR : (SPI Offset: 0x1c) Interrupt Mask Register */ +/* SPI_CSR : (SPI Offset: 0x30) Chip Select Register */ +#define AT91C_SPI_CPOL (0x1 << 0) /* Clock Polarity */ +#define AT91C_SPI_NCPHA (0x1 << 1) /* Clock Phase */ +#define AT91C_SPI_CSAAT (0x1 << 3) /* CS Active After Transfer */ +#define AT91C_SPI_BITS (0xF << 4) /* Bits Per Transfer */ +#define AT91C_SPI_BITS_8 (0x0 << 4) /* 8 Bits */ +#define AT91C_SPI_BITS_9 (0x1 << 4) /* 9 Bits */ +#define AT91C_SPI_BITS_10 (0x2 << 4) /* 10 Bits */ +#define AT91C_SPI_BITS_11 (0x3 << 4) /* 11 Bits */ +#define AT91C_SPI_BITS_12 (0x4 << 4) /* 12 Bits */ +#define AT91C_SPI_BITS_13 (0x5 << 4) /* 13 Bits */ +#define AT91C_SPI_BITS_14 (0x6 << 4) /* 14 Bits */ +#define AT91C_SPI_BITS_15 (0x7 << 4) /* 15 Bits */ +#define AT91C_SPI_BITS_16 (0x8 << 4) /* 16 Bits */ +#define AT91C_SPI_SCBR (0xFF << 8) /* Serial Clock Baud Rate */ +#define AT91C_SPI_DLYBS (0xFF << 16) /* Delay Before SPCK */ +#define AT91C_SPI_DLYBCT (0xFF << 24) /* Delay Between Transfers */ +/* SPI_PTCR : PDC Transfer Control Register */ +#define AT91C_PDC_RXTEN (0x1 << 0) /* Receiver Transfer Enable */ +#define AT91C_PDC_RXTDIS (0x1 << 1) /* Receiver Transfer Disable */ +#define AT91C_PDC_TXTEN (0x1 << 8) /* Transm. Transfer Enable */ +#define AT91C_PDC_TXTDIS (0x1 << 9) /* Transm. Transfer Disable */ + +/* PIO definitions */ +#define AT91C_PIO_PA0 (1 << 0) /* Pin Controlled by PA0 */ +#define AT91C_PA0_SPI0_MISO AT91C_PIO_PA0 +#define AT91C_PIO_PA1 (1 << 1) /* Pin Controlled by PA1 */ +#define AT91C_PA1_SPI0_MOSI AT91C_PIO_PA1 +#define AT91C_PIO_PA2 (1 << 2) /* Pin Controlled by PA2 */ +#define AT91C_PA2_SPI0_SPCK AT91C_PIO_PA2 +#define AT91C_PIO_PA3 (1 << 3) /* Pin Controlled by PA3 */ +#define AT91C_PA3_SPI0_NPCS1 AT91C_PIO_PA3 +#define AT91C_PIO_PA4 (1 << 4) /* Pin Controlled by PA4 */ +#define AT91C_PA4_SPI0_NPCS2A AT91C_PIO_PA4 +#define AT91C_PIO_PA5 (1 << 5) /* Pin Controlled by PA5 */ +#define AT91C_PA5_SPI0_NPCS0 AT91C_PIO_PA5 +#define AT91C_PIO_PA10 (1 << 10) /* Pin Controlled by PA10 */ +#define AT91C_PIO_PA11 (1 << 11) /* Pin Controlled by PA11 */ +#define AT91C_PIO_PA22 (1 << 22) /* Pin Controlled by PA22 */ +#define AT91C_PA22_TXD0 AT91C_PIO_PA22 +#define AT91C_PIO_PA23 (1 << 23) /* Pin Controlled by PA23 */ +#define AT91C_PA23_RXD0 AT91C_PIO_PA23 +#define AT91C_PIO_PA28 (1 << 28) /* Pin Controlled by PA28 */ +#define AT91C_PA28_SPI0_NPCS3A AT91C_PIO_PA28 +#define AT91C_PIO_PB21 (1 << 21) /* Pin Controlled by PB21 */ +#define AT91C_PB21_E_TXCK AT91C_PIO_PB21 +#define AT91C_PIO_PB22 (1 << 22) /* Pin Controlled by PB22 */ +#define AT91C_PB22_E_RXDV AT91C_PIO_PB22 +#define AT91C_PIO_PB23 (1 << 23) /* Pin Controlled by PB23 */ +#define AT91C_PB23_E_TX0 AT91C_PIO_PB23 +#define AT91C_PIO_PB24 (1 << 24) /* Pin Controlled by PB24 */ +#define AT91C_PB24_E_TX1 AT91C_PIO_PB24 +#define AT91C_PIO_PB25 (1 << 25) /* Pin Controlled by PB25 */ +#define AT91C_PB25_E_RX0 AT91C_PIO_PB25 +#define AT91C_PIO_PB26 (1 << 26) /* Pin Controlled by PB26 */ +#define AT91C_PB26_E_RX1 AT91C_PIO_PB26 +#define AT91C_PIO_PB27 (1 << 27) /* Pin Controlled by PB27 */ +#define AT91C_PB27_E_RXER AT91C_PIO_PB27 +#define AT91C_PIO_PB28 (1 << 28) /* Pin Controlled by PB28 */ +#define AT91C_PB28_E_TXEN AT91C_PIO_PB28 +#define AT91C_PIO_PB29 (1 << 29) /* Pin Controlled by PB29 */ +#define AT91C_PB29_E_MDC AT91C_PIO_PB29 +#define AT91C_PIO_PB30 (1 << 30) /* Pin Controlled by PB30 */ +#define AT91C_PB30_E_MDIO AT91C_PIO_PB30 +#define AT91C_PIO_PB31 (1 << 31) /* Pin Controlled by PB31 */ +#define AT91C_PIO_PC29 (1 << 29) /* Pin Controlled by PC29 */ +#define AT91C_PIO_PC30 (1 << 30) /* Pin Controlled by PC30 */ +#define AT91C_PC30_DRXD AT91C_PIO_PC30 +#define AT91C_PIO_PC31 (1 << 31) /* Pin Controlled by PC31 */ +#define AT91C_PC31_DTXD AT91C_PIO_PC31 +#define AT91C_PIO_PD0 (1 << 0) /* Pin Controlled by PD0 */ +#define AT91C_PD0_TXD1 AT91C_PIO_PD0 +#define AT91C_PD0_SPI0_NPCS2D AT91C_PIO_PD0 +#define AT91C_PIO_PD1 (1 << 1) /* Pin Controlled by PD1 */ +#define AT91C_PD1_RXD1 AT91C_PIO_PD1 +#define AT91C_PD1_SPI0_NPCS3D AT91C_PIO_PD1 +#define AT91C_PIO_PD2 (1 << 2) /* Pin Controlled by PD2 */ +#define AT91C_PD2_TXD2 AT91C_PIO_PD2 +#define AT91C_PIO_PD3 (1 << 3) /* Pin Controlled by PD3 */ +#define AT91C_PD3_RXD2 AT91C_PIO_PD3 +#define AT91C_PIO_PD15 (1 << 15) /* Pin Controlled by PD15 */ + +/* Peripheral ID */ +#define AT91C_ID_SYS 1 /* System Controller */ +#define AT91C_ID_PIOABCD 2 /* Parallel IO Controller A, B, C, D */ +#define AT91C_ID_US0 8 /* USART 0 */ +#define AT91C_ID_US1 9 /* USART 1 */ +#define AT91C_ID_US2 10 /* USART 2 */ +#define AT91C_ID_SPI0 15 /* Serial Peripheral Interface 0 */ +#define AT91C_ID_EMAC 22 /* Ethernet Mac */ +#define AT91C_ID_UHP 29 /* USB Host Port */ + +/* Base addresses */ +#define AT91C_BASE_SMC ((AT91PS_SMC) 0xFFFFE800) /* SMC */ +#define AT91C_BASE_CCFG ((AT91PS_CCFG) 0xFFFFEB10) /* CCFG */ +#define AT91C_BASE_DBGU ((unsigned long)0xFFFFEE00) /* DBGU */ +#define AT91C_BASE_PIOA ((AT91PS_PIO) 0xFFFFF200) /* PIOA */ +#define AT91C_BASE_PIOB ((AT91PS_PIO) 0xFFFFF400) /* PIOB */ +#define AT91C_BASE_PIOC ((AT91PS_PIO) 0xFFFFF600) /* PIOC */ +#define AT91C_BASE_PIOD ((AT91PS_PIO) 0xFFFFF800) /* PIOD */ +#define AT91C_BASE_PMC ((AT91PS_PMC) 0xFFFFFC00) /* PMC */ +#define AT91C_BASE_RSTC ((AT91PS_RSTC) 0xFFFFFD00) /* RSTC */ +#define AT91C_BASE_PITC ((AT91PS_PITC) 0xFFFFFD30) /* PITC */ +#define AT91C_BASE_US0 ((unsigned long)0xFFF8C000) /* US0 */ +#define AT91C_BASE_US1 ((unsigned long)0xFFF90000) /* US1 */ +#define AT91C_BASE_US2 ((unsigned long)0xFFF94000) /* US2 */ +#define AT91C_BASE_SPI0 ((AT91PS_SPI) 0xFFFA4000) /* SPI0 */ +#define AT91C_BASE_MACB ((unsigned long)0xFFFBC000) /* MACB */ + +#endif diff --git a/include/asm-arm/arch-at91cap9/clk.h b/include/asm-arm/arch-at91cap9/clk.h new file mode 100644 index 0000000..b218c5e --- /dev/null +++ b/include/asm-arm/arch-at91cap9/clk.h @@ -0,0 +1,39 @@ +/* + * (C) Copyright 2007 + * Stelian Pop stelian.pop@leadtechdesign.com + * Lead Tech Design <www.leadtechdesign.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 __ASM_ARM_ARCH_CLK_H__ +#define __ASM_ARM_ARCH_CLK_H__ + +#include <asm/arch/hardware.h> + +static inline unsigned long get_macb_pclk_rate(unsigned int dev_id) +{ + return AT91C_MASTER_CLOCK; +} + +static inline unsigned long get_usart_clk_rate(unsigned int dev_id) +{ + return AT91C_MASTER_CLOCK; +} + +#endif /* __ASM_ARM_ARCH_CLK_H__ */ diff --git a/include/asm-arm/arch-at91cap9/hardware.h b/include/asm-arm/arch-at91cap9/hardware.h new file mode 100644 index 0000000..247242a --- /dev/null +++ b/include/asm-arm/arch-at91cap9/hardware.h @@ -0,0 +1,38 @@ +/* + * (C) Copyright 2007 + * Stelian Pop stelian.pop@leadtechdesign.com + * Lead Tech Design <www.leadtechdesign.com> + * + * 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 __ASM_ARCH_HARDWARE_H +#define __ASM_ARCH_HARDWARE_H + +#include <asm/sizes.h> + +#include <asm/arch/AT91CAP9.h> + +/* + * container_of - cast a member of a structure out to the containing structure + * + * @ptr: the pointer to the member. + * @type: the type of the container struct this is embedded in. + * @member: the name of the member within the struct. + */ +#define container_of(ptr, type, member) ({ \ + const typeof(((type *)0)->member) *__mptr = (ptr); \ + (type *)((char *)__mptr - offsetof(type, member)); }) + +#endif diff --git a/include/asm-arm/arch-at91cap9/memory-map.h b/include/asm-arm/arch-at91cap9/memory-map.h new file mode 100644 index 0000000..437c4cf --- /dev/null +++ b/include/asm-arm/arch-at91cap9/memory-map.h @@ -0,0 +1,34 @@ +/* + * (C) Copyright 2007-2008 + * Stelian Pop stelian.pop@leadtechdesign.com + * Lead Tech Design <www.leadtechdesign.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 __ASM_ARM_ARCH_MEMORYMAP_H__ +#define __ASM_ARM_ARCH_MEMORYMAP_H__ + +#include <asm/arch/AT91CAP9.h> + +#define USART0_BASE AT91C_BASE_US0 +#define USART1_BASE AT91C_BASE_US1 +#define USART2_BASE AT91C_BASE_US2 +#define USART3_BASE AT91C_BASE_DBGU + +#endif /* __ASM_ARM_ARCH_MEMORYMAP_H__ */ diff --git a/include/asm-arm/dma-mapping.h b/include/asm-arm/dma-mapping.h new file mode 100644 index 0000000..501ce0e --- /dev/null +++ b/include/asm-arm/dma-mapping.h @@ -0,0 +1,50 @@ +/* + * (C) Copyright 2007 + * Stelian Pop stelian.pop@leadtechdesign.com + * Lead Tech Design <www.leadtechdesign.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 __ASM_ARM_DMA_MAPPING_H +#define __ASM_ARM_DMA_MAPPING_H + +enum dma_data_direction { + DMA_BIDIRECTIONAL = 0, + DMA_TO_DEVICE = 1, + DMA_FROM_DEVICE = 2, +}; + +static void *dma_alloc_coherent(size_t len, unsigned long *handle) +{ + *handle = (unsigned long)malloc(len); + return (void *)*handle; +} + +static inline unsigned long dma_map_single(volatile void *vaddr, size_t len, + enum dma_data_direction dir) +{ + return (unsigned long)vaddr; +} + +static inline void dma_unmap_single(volatile void *vaddr, size_t len, + unsigned long paddr) +{ +} + +#endif /* __ASM_ARM_DMA_MAPPING_H */

AT91CAP9 support - cpu/ files

Signed-off-by: Stelian Pop stelian@popies.net

--- cpu/arm926ejs/at91cap9/Makefile | 46 ++++++++++ cpu/arm926ejs/at91cap9/config.mk | 2 + cpu/arm926ejs/at91cap9/ether.c | 35 ++++++++ cpu/arm926ejs/at91cap9/lowlevel_init.S | 43 +++++++++ cpu/arm926ejs/at91cap9/spi.c | 119 +++++++++++++++++++++++++ cpu/arm926ejs/at91cap9/timer.c | 149 ++++++++++++++++++++++++++++++++ cpu/arm926ejs/at91cap9/usb.c | 54 ++++++++++++ cpu/arm926ejs/interrupts.c | 2 +- cpu/arm926ejs/start.S | 3 + 9 files changed, 452 insertions(+), 1 deletions(-) create mode 100644 cpu/arm926ejs/at91cap9/Makefile create mode 100644 cpu/arm926ejs/at91cap9/config.mk create mode 100644 cpu/arm926ejs/at91cap9/ether.c create mode 100644 cpu/arm926ejs/at91cap9/lowlevel_init.S create mode 100644 cpu/arm926ejs/at91cap9/spi.c create mode 100644 cpu/arm926ejs/at91cap9/timer.c create mode 100644 cpu/arm926ejs/at91cap9/usb.c

diff --git a/cpu/arm926ejs/at91cap9/Makefile b/cpu/arm926ejs/at91cap9/Makefile new file mode 100644 index 0000000..722d077 --- /dev/null +++ b/cpu/arm926ejs/at91cap9/Makefile @@ -0,0 +1,46 @@ +# +# (C) Copyright 2000-2008 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# 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 $(TOPDIR)/config.mk + +LIB = $(obj)lib$(SOC).a + +COBJS = ether.o timer.o spi.o usb.o +SOBJS = lowlevel_init.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) + +all: $(obj).depend $(LIB) + +$(LIB): $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/cpu/arm926ejs/at91cap9/config.mk b/cpu/arm926ejs/at91cap9/config.mk new file mode 100644 index 0000000..ca2cae1 --- /dev/null +++ b/cpu/arm926ejs/at91cap9/config.mk @@ -0,0 +1,2 @@ +PLATFORM_CPPFLAGS += -march=armv5te +PLATFORM_CPPFLAGS += $(call cc-option,-mtune=arm926ejs,) diff --git a/cpu/arm926ejs/at91cap9/ether.c b/cpu/arm926ejs/at91cap9/ether.c new file mode 100644 index 0000000..555fa10 --- /dev/null +++ b/cpu/arm926ejs/at91cap9/ether.c @@ -0,0 +1,35 @@ +/* + * (C) Copyright 2007-2008 + * Stelian Pop stelian.pop@leadtechdesign.com + * Lead Tech Design <www.leadtechdesign.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/arch/AT91CAP9.h> + +extern int macb_eth_initialize(int id, void *regs, unsigned int phy_addr); + +#if defined(CONFIG_MACB) && defined(CONFIG_CMD_NET) +void at91cap9_eth_initialize(bd_t *bi) +{ + macb_eth_initialize(0, (void *)AT91C_BASE_MACB, 0x00); +} +#endif diff --git a/cpu/arm926ejs/at91cap9/lowlevel_init.S b/cpu/arm926ejs/at91cap9/lowlevel_init.S new file mode 100644 index 0000000..15b117f --- /dev/null +++ b/cpu/arm926ejs/at91cap9/lowlevel_init.S @@ -0,0 +1,43 @@ +/* + * AT91CAP9 setup stuff + * + * (C) Copyright 2007-2008 + * Stelian Pop stelian.pop@leadtechdesign.com + * Lead Tech Design <www.leadtechdesign.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 <config.h> +#include <version.h> + +#ifndef CONFIG_SKIP_LOWLEVEL_INIT + +.globl lowlevel_init +lowlevel_init: + + /* + * Clocks/SDRAM initialization is handled by at91bootstrap, + * no need to do it here... + */ + mov pc, lr + + .ltorg + +#endif /* CONFIG_SKIP_LOWLEVEL_INIT */ diff --git a/cpu/arm926ejs/at91cap9/spi.c b/cpu/arm926ejs/at91cap9/spi.c new file mode 100644 index 0000000..0953820 --- /dev/null +++ b/cpu/arm926ejs/at91cap9/spi.c @@ -0,0 +1,119 @@ +/* + * Driver for ATMEL DataFlash support + * Author : Hamid Ikdoumi (Atmel) + * + * 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 <config.h> +#include <common.h> +#include <asm/hardware.h> + +#ifdef CONFIG_HAS_DATAFLASH +#include <dataflash.h> + +/* Max Value = 10MHz to be compliant to the Continuous Array Read function */ +#define AT91C_SPI_CLK 10000000 + +/* AC Characteristics: DLYBS = tCSS = 250ns min and DLYBCT = tCSH = 250ns */ +#define DATAFLASH_TCSS (0xFA << 16) +#define DATAFLASH_TCHS (0x8 << 24) + +#define AT91C_TIMEOUT_WRDY 200000 +#define AT91C_SPI_PCS0_DATAFLASH_CARD 0xE /* Chip Select 0: NPCS0%1110 */ +#define AT91C_SPI_PCS3_DATAFLASH_CARD 0x7 /* Chip Select 3: NPCS3%0111 */ + +void AT91F_SpiInit(void) +{ + /* Reset the SPI */ + AT91C_BASE_SPI0->SPI_CR = AT91C_SPI_SWRST; + + /* Configure SPI in Master Mode with No CS selected !!! */ + AT91C_BASE_SPI0->SPI_MR = + AT91C_SPI_MSTR | AT91C_SPI_MODFDIS | AT91C_SPI_PCS; + + /* Configure CS0 */ + AT91C_BASE_SPI0->SPI_CSR[0] = + AT91C_SPI_CPOL | + (AT91C_SPI_DLYBS & DATAFLASH_TCSS) | + (AT91C_SPI_DLYBCT & DATAFLASH_TCHS) | + ((AT91C_MASTER_CLOCK / (2*AT91C_SPI_CLK)) << 8); +} + +void AT91F_SpiEnable(int cs) +{ + switch (cs) { + case 0: /* Configure SPI CS0 for Serial DataFlash AT45DBxx */ + AT91C_BASE_SPI0->SPI_MR &= 0xFFF0FFFF; + AT91C_BASE_SPI0->SPI_MR |= + ((AT91C_SPI_PCS0_DATAFLASH_CARD<<16) & AT91C_SPI_PCS); + break; + case 3: + AT91C_BASE_SPI0->SPI_MR &= 0xFFF0FFFF; + AT91C_BASE_SPI0->SPI_MR |= + ((AT91C_SPI_PCS3_DATAFLASH_CARD<<16) & AT91C_SPI_PCS); + break; + } + + /* SPI_Enable */ + AT91C_BASE_SPI0->SPI_CR = AT91C_SPI_SPIEN; +} + +unsigned int AT91F_SpiWrite(AT91PS_DataflashDesc pDesc) +{ + unsigned int timeout; + + pDesc->state = BUSY; + + AT91C_BASE_SPI0->SPI_PTCR = AT91C_PDC_TXTDIS + AT91C_PDC_RXTDIS; + + /* Initialize the Transmit and Receive Pointer */ + AT91C_BASE_SPI0->SPI_RPR = (unsigned int)pDesc->rx_cmd_pt; + AT91C_BASE_SPI0->SPI_TPR = (unsigned int)pDesc->tx_cmd_pt; + + /* Intialize the Transmit and Receive Counters */ + AT91C_BASE_SPI0->SPI_RCR = pDesc->rx_cmd_size; + AT91C_BASE_SPI0->SPI_TCR = pDesc->tx_cmd_size; + + if (pDesc->tx_data_size != 0) { + /* Initialize the Next Transmit and Next Receive Pointer */ + AT91C_BASE_SPI0->SPI_RNPR = (unsigned int)pDesc->rx_data_pt; + AT91C_BASE_SPI0->SPI_TNPR = (unsigned int)pDesc->tx_data_pt; + + /* Intialize the Next Transmit and Next Receive Counters */ + AT91C_BASE_SPI0->SPI_RNCR = pDesc->rx_data_size; + AT91C_BASE_SPI0->SPI_TNCR = pDesc->tx_data_size; + } + + /* arm simple, non interrupt dependent timer */ + reset_timer_masked(); + timeout = 0; + + AT91C_BASE_SPI0->SPI_PTCR = AT91C_PDC_TXTEN + AT91C_PDC_RXTEN; + while (!(AT91C_BASE_SPI0->SPI_SR & AT91C_SPI_RXBUFF) && + ((timeout = get_timer_masked()) < CFG_SPI_WRITE_TOUT)); + AT91C_BASE_SPI0->SPI_PTCR = AT91C_PDC_TXTDIS + AT91C_PDC_RXTDIS; + pDesc->state = IDLE; + + if (timeout >= CFG_SPI_WRITE_TOUT) { + printf("Error Timeout\n\r"); + return DATAFLASH_ERROR; + } + + return DATAFLASH_OK; +} +#endif diff --git a/cpu/arm926ejs/at91cap9/timer.c b/cpu/arm926ejs/at91cap9/timer.c new file mode 100644 index 0000000..e033b70 --- /dev/null +++ b/cpu/arm926ejs/at91cap9/timer.c @@ -0,0 +1,149 @@ +/* + * (C) Copyright 2007-2008 + * Stelian Pop stelian.pop@leadtechdesign.com + * Lead Tech Design <www.leadtechdesign.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/arch/hardware.h> + +/* + * We're using the AT91CAP9 PITC in 32 bit mode, by + * setting the 20 bit counter period to its maximum (0xfffff). + */ +#define TIMER_LOAD_VAL 0xfffff +#define READ_RESET_TIMER (AT91C_BASE_PITC->PITC_PIVR) +#define READ_TIMER (AT91C_BASE_PITC->PITC_PIIR) +#define TIMER_FREQ (AT91C_MASTER_CLOCK << 4) +#define TICKS_TO_USEC(ticks) ((ticks) / 6) + +ulong get_timer_masked(void); +ulong resettime; + +AT91PS_PITC p_pitc; + +/* nothing really to do with interrupts, just starts up a counter. */ +int interrupt_init(void) +{ + /* + * Enable PITC Clock + * The clock is already enabled for system controller in boot + */ + AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_SYS; + + /* Enable PITC */ + AT91C_BASE_PITC->PITC_PIMR = AT91C_PITC_PITEN; + + /* Load PITC_PIMR with the right timer value */ + AT91C_BASE_PITC->PITC_PIMR |= TIMER_LOAD_VAL; + + reset_timer_masked(); + + return 0; +} + +/* + * timer without interrupts + */ + +static inline ulong get_timer_raw(void) +{ + ulong now = READ_TIMER; + if (now >= resettime) + return now - resettime; + else + return 0xFFFFFFFFUL - (resettime - now) ; +} + +void reset_timer_masked(void) +{ + resettime = READ_TIMER; +} + +ulong get_timer_masked(void) +{ + return TICKS_TO_USEC(get_timer_raw()); + +} + +void udelay_masked(unsigned long usec) +{ + ulong tmp; + + tmp = get_timer(0); + while (get_timer(tmp) < usec) /* our timer works in usecs */ + ; /* NOP */ +} + +void reset_timer(void) +{ + reset_timer_masked(); +} + +ulong get_timer(ulong base) +{ + ulong now = get_timer_masked(); + + if (now >= base) + return now - base; + else + return TICKS_TO_USEC(0xFFFFFFFFUL) - (base - now) ; +} + +void udelay(unsigned long usec) +{ + udelay_masked(usec); +} + +/* + * This function is derived from PowerPC code (read timebase as long long). + * On ARM it just returns the timer value. + */ +unsigned long long get_ticks(void) +{ + return get_timer(0); +} + +/* + * This function is derived from PowerPC code (timebase clock frequency). + * On ARM it returns the number of timer ticks per second. + */ +ulong get_tbclk(void) +{ + ulong tbclk; + tbclk = CFG_HZ; + return tbclk; +} + +/* + * Reset the cpu by setting up the watchdog timer and let him time out + * on the AT91CAP9ADK board + */ +void reset_cpu(ulong ignored) +{ + /* this is the way Linux does it */ + AT91C_BASE_RSTC->RSTC_RCR = (0xA5 << 24) | + AT91C_RSTC_PROCRST | + AT91C_RSTC_PERRST; + + while (1); + /* Never reached */ +} diff --git a/cpu/arm926ejs/at91cap9/usb.c b/cpu/arm926ejs/at91cap9/usb.c new file mode 100644 index 0000000..95f5767 --- /dev/null +++ b/cpu/arm926ejs/at91cap9/usb.c @@ -0,0 +1,54 @@ +/* + * (C) Copyright 2006 + * DENX Software Engineering mk@denx.de + * + * 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> + +#if defined(CONFIG_USB_OHCI_NEW) && defined(CFG_USB_OHCI_CPU_INIT) +#ifdef CONFIG_AT91CAP9 + +#include <asm/arch/hardware.h> + +int usb_cpu_init(void) +{ + /* Enable USB host clock. */ + AT91C_BASE_PMC->PMC_SCER = AT91C_PMC_UHP; + AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_UHP; + + return 0; +} + +int usb_cpu_stop(void) +{ + /* Disable USB host clock. */ + AT91C_BASE_PMC->PMC_PCDR = 1 << AT91C_ID_UHP; + AT91C_BASE_PMC->PMC_SCDR = AT91C_PMC_UHP; + return 0; +} + +int usb_cpu_init_fail(void) +{ + return usb_cpu_stop(); +} + +#endif /* CONFIG_AT91CAP9 */ +#endif /* defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) */ diff --git a/cpu/arm926ejs/interrupts.c b/cpu/arm926ejs/interrupts.c index 9cac969..33da56a 100644 --- a/cpu/arm926ejs/interrupts.c +++ b/cpu/arm926ejs/interrupts.c @@ -172,7 +172,7 @@ void do_irq (struct pt_regs *pt_regs) bad_mode (); }

-#ifdef CONFIG_INTEGRATOR +#if defined(CONFIG_INTEGRATOR) || defined(CONFIG_AT91CAP9ADK)

/* Timer functionality supplied by Integrator board (AP or CP) */

diff --git a/cpu/arm926ejs/start.S b/cpu/arm926ejs/start.S index aa09fbf..297efe0 100644 --- a/cpu/arm926ejs/start.S +++ b/cpu/arm926ejs/start.S @@ -182,6 +182,9 @@ clbss_l:str r2, [r0] /* clear loop... */ cmp r0, r1 ble clbss_l

+ bl coloured_LED_init + bl red_LED_on + ldr pc, _start_armboot

_start_armboot:

AT91CAP9 support - MACB driver changes

Signed-off-by: Stelian Pop stelian@popies.net

--- drivers/net/macb.c | 8 ++++++++ drivers/net/macb.h | 6 ++++++ 2 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/drivers/net/macb.c b/drivers/net/macb.c index 6657d22..9c98338 100644 --- a/drivers/net/macb.c +++ b/drivers/net/macb.c @@ -417,10 +417,18 @@ static int macb_init(struct eth_device *netdev, bd_t *bd)

/* choose RMII or MII mode. This depends on the board */ #ifdef CONFIG_RMII +#ifdef CONFIG_AT91CAP9ADK + macb_writel(macb, USRIO, MACB_BIT(RMII) | MACB_BIT(CLKEN)); +#else macb_writel(macb, USRIO, 0); +#endif +#else +#ifdef CONFIG_AT91CAP9ADK + macb_writel(macb, USRIO, MACB_BIT(CLKEN)); #else macb_writel(macb, USRIO, MACB_BIT(MII)); #endif +#endif /* CONFIG_RMII */

if (!macb_phy_init(macb)) return -1; diff --git a/drivers/net/macb.h b/drivers/net/macb.h index c778e4e..f92a20c 100644 --- a/drivers/net/macb.h +++ b/drivers/net/macb.h @@ -222,6 +222,12 @@ #define MACB_TX_PAUSE_ZERO_OFFSET 3 #define MACB_TX_PAUSE_ZERO_SIZE 1

+/* Bitfields in USRIO (AT91) */ +#define MACB_RMII_OFFSET 0 +#define MACB_RMII_SIZE 1 +#define MACB_CLKEN_OFFSET 1 +#define MACB_CLKEN_SIZE 1 + /* Bitfields in WOL */ #define MACB_IP_OFFSET 0 #define MACB_IP_SIZE 16