Datasheet BIOS PSP OMAPL138 Datasheet 01.30.01 Page 1 of 51 BIOSPSP Datasheet This page has been intentionally left blank. Page 2 of 51 BIOSPSP Datasheet IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI’s terms and conditions of sale supplied at the time of order acknowledgment. TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty. 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Page 4 of 51 BIOSPSP Datasheet TABLE OF CONTENTS 1 Introduction................................................................................................. 7 2 BIOSPSP Drivers - Features ......................................................................... 7 3 Performance data for BIOSPSP drivers ........................................................ 8 3.1 I2C Driver .............................................................................................9 3.2 SPI Driver ...........................................................................................13 3.3 UART Driver ........................................................................................17 3.4 BLOCKMEDIA Driver .............................................................................20 3.5 GPIO ..................................................................................................28 3.6 LCDC LIDD Driver ................................................................................29 3.7 LCDC RASTER Driver ............................................................................30 3.8 McASP Driver.......................................................................................32 3.9 McBSP Driver.......................................................................................35 3.10 Audio Interface Driver...........................................................................37 3.11 Aic3106 codec Driver............................................................................38 3.12 MMCSD Driver .....................................................................................39 3.13 NAND Driver........................................................................................41 3.14 SATA ..................................................................................................43 3.15 PSC ....................................................................................................44 3.16 EvmInit...............................................................................................45 3.17 VPIF Driver..........................................................................................46 3.18 VPIF EDC Driver...................................................................................48 3.19 UPP Driver...........................................................................................49 Page 5 of 51 BIOSPSP Datasheet TABLE OF FIGURES Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure 1 I2C Write Performance .................................................................................10 2 I2C Read performance..................................................................................11 3 SPI Write performance .................................................................................14 4 SPI Read Performance..................................................................................15 5 Uart Write Performance ................................................................................18 6 MMCSD WRITE Performance..........................................................................22 7 MMCSD READ Performance ...........................................................................23 8 NAND WRITE Performance ............................................................................24 9 NAND READ Performance..............................................................................25 10 SATA Write Performance .............................................................................26 11 SATA Read Performance .............................................................................27 12 Mcasp Read write peformance .....................................................................33 13 Mcasp latency............................................................................................34 14 Mcbsp Write performance............................................................................36 15 Upp Write Performance ...............................................................................50 1 Page 6 of 51 BIOSPSP Datasheet 1 Introduction This PSP package consists of peripheral device drivers for the OMAPL138 device. The drivers enable rapid software development on the OMAPL138 platform. This document provides the performance data for each of the drivers on DSP/BIOSTM. 2 BIOSPSP Drivers - Features Supported Devices o OMAPL138 Developed and tested on OMAPL138 EVM Tools used to build DSP/BIOSTM PSP drivers o DSP/BIOS Version 5.41.03.17 o Code composer studio 3.3.80.11 (Service Release 10) o CG tools 6.1.9 EDMA3 LLD version used – 01.11.00.03 Drivers supported on DSP/BIOSTM: o I2C o SPI o UART o PSC o GPIO o LCD Raster o LCD LIDD o McASP o McBSP o Audio Interface o Aic3106 codec o MMCSD o NAND o SATA o Block Media o VPIF o UPP Page 7 of 51 BIOSPSP Datasheet 3 Performance data for BIOSPSP drivers The performance data for the drivers is captured in following sections Features supported/not supported Memory usage The following statistics are taken from drivers built in release mode. o Program memory o Data memory (Initialized and Un-Initialized memory) Resource usage o The OS and system resources consumed by each instance of the driver in different modes are listed. o OS resources include usage of semaphores o System resources include usage of EDMA3 resources (channels, PaRAMs), interrupts and timers I/O throughput and corresponding CPU loading numbers are captured for I2C, SPI, UART, McASP, McBSP, LCDC Raster, MMC/SD and NAND, SATA, UPP and VPIF drivers. Page 8 of 51 BIOSPSP Datasheet 3.1 I2C Driver 3.1.1 Features supported 3.1.2 Multi-instantiable and re-entrant driver Each instance can operate as a receiver and/or transmitter Supports Polled, Interrupt and DMA Interrupt Mode of operation Supports slave mode in Interrupt and DMA mode of operation. Features not supported None 3.1.3 Memory usage Memory Statistics (Bytes) Component 3.1.4 3.1.4.1 3.1.4.2 3.1.4.3 Data Memory Program Memory Total Initialized Un-Initialized I2C 16512 180 1648 18340 I2c Edma 2464 64 0 2528 Total 18976 244 1648 20868 Resource usage Polled mode SEMAPHORES DESCRIPTION 1 For synchronization of submit API SEMAPHORES DESCRIPTION None NA INTERRUPTS DESCRIPTION 1 For Transmit and receive channels SEMAPHORES DESCRIPTION None NA Interrupt mode DMA mode Page 9 of 51 BIOSPSP Datasheet 3.1.5 EDMA3 CHANNELS DESCRIPTION 1 For Transmit Channel 1 For Receive Channel EDMA3 PARAMS DESCRIPTION 1 For Transmit Channel 1 For Receive Channel I/O Throughput and CPU Loading CPU load and thorough put are calculated between start of I/O operation and end of I/O operation at application level. The following are setup details for measuring the throughput in different modes Slave device: IO Expander TCA6416. No of bytes transferred: 2 bytes. 3.1.5.1 I/O Write Performance The following graphs represent throughput numbers and CPU loads at different bus frequencies Figure 1 I2C Write Performance Page 10 of 51 BIOSPSP Datasheet DMA mode: Bus Frequency (in KHz) 100 200 400 Time Taken (milli-sec) 0.34 0.19 0.12 Throughput (Kbps) 57.78 101.02 162.76 CPU LOAD (%) 72.34 76.22 80.39 Time Taken (milli-sec) 0.32 0.18 0.11 Throughput (Kbps) 61.81 110.76 186.01 CPU LOAD (%) 12.38 20.98 35.65 Time Taken (milli-sec) 0.31 0.16 0.09 Throughput (Kbps) 63.90 119.82 221.11 CPU LOAD (%) 100.00 100.00 100.00 Interrupt mode: Bus Frequency (KHz) 100 200 400 Polled mode: Bus Frequency (KHz) 100 200 400 3.1.5.2 I/O Read Performance The following graphs represent throughput numbers and CPU loads at different bus frequencies Figure 2 I2C Read performance Page 11 of 51 BIOSPSP Datasheet DMA mode: Bus Frequency (KHz) 100 200 400 Time Taken (milli-sec) 0.35 0.22 0.15 Throughput (Kbps) 55.07 90.42 131.38 CPU LOAD (%) 23.17 38.21 50.69 Time Taken (milli-sec) 0.32 0.18 0.11 Throughput (Kbps) 60.66 109.73 180.29 CPU LOAD (%) 14.70 26.08 43.60 Time Taken (milli-sec) 0.32 0.17 0.10 Throughput (Kbps) 61.94 114.89 199.30 CPU LOAD (%) 100.00 100.00 100.00 Interrupt mode: Bus Frequency (KHz) 100 200 400 Polled mode: Bus Frequency (KHz) 100 200 400 Page 12 of 51 BIOSPSP Datasheet 3.2 SPI Driver 3.2.1 Features supported 3.2.2 Multi-instantiable and re-entrant driver Each instance can operate as an receiver and or transmitter Supports Polled, Interrupt and DMA Interrupt Mode of operation Supports slave mode in Polled, Interrupt and DMA mode of operation. Features not supported 3.2.3 NA Memory usage Memory Statistics (Bytes) Component 3.2.4 3.2.4.1 3.2.4.2 3.2.4.3 Data Memory Program Memory Total Initialized Un-Initialized Spi 17888 314 1594 19796 Spi Edma 3808 247 0 4055 Total 21696 561 1594 23851 Resource usage Polled mode SEMAPHORES DESCRIPTION 1 For synchronization of submit API SEMAPHORES DESCRIPTION None NA INTERRUPTS DESCRIPTION 1 For Transmit and receive channel SEMAPHORES DESCRIPTION None NA Interrupt mode DMA mode Page 13 of 51 BIOSPSP Datasheet 3.2.5 EDMA3 CHANNELS DESCRIPTION 1 For Transmit Channel 1 For Receive Channel EDMA3 PARAMS DESCRIPTION 1 For Transmit Channel 1 For Receive Channel I/O Throughput and CPU Loading CPU load and thorough put are calculated between start of I/O operation and end of I/O operation at application level. The following are setup details for measuring the throughput in different modes Slave device: SPI Flash (M25P64) No of bytes transferred: 256 bytes 3.2.5.1 I/O Write Performance The following graphs represent throughput numbers and CPU loads at different bus frequencies Fig: Write performance Figure 3 SPI Write performance Page 14 of 51 BIOSPSP Datasheet DMA mode: Bus Frequency (MHz) 10.00 15.00 20.00 Time Taken (milli-sec) 0.32 0.25 0.22 Throughput (Kbps) 6295.91 8032.13 9302.33 CPU LOAD (%) 34.34 44.03 51.08 Time Taken (milli-sec) 0.30 0.29 0.29 Throughput (Kbps) 6756.76 6802.72 6802.72 CPU LOAD (%) 100.00 100.00 100.00 Time Taken (milli-sec) 0.53 0.46 0.46 Throughput (Kbps) 3802.28 4395.60 4395.60 CPU LOAD (%) 100.00 100.00 100.00 Interrupt mode: Bus Frequency (MHz) 10.00 15.00 20.00 Polled mode: Bus Frequency (MHz) 10.00 15.00 20.00 3.2.5.2 I/O Read Performance The following graphs represent throughput numbers and CPU loads at different bus frequencies Figure 4 SPI Read Performance Page 15 of 51 BIOSPSP Datasheet DMA mode: Bus Frequency (MHz) 10.00 15.00 20.00 Time Taken (milli-sec) 0.32 0.25 0.21 Throughput (Kbps) 6309.15 8042.90 9316.77 CPU LOAD (%) 34.27 43.95 50.91 Time Taken (milli-sec) 0.29 0.29 0.29 Throughput (Kbps) 6864.99 6896.55 6896.55 CPU LOAD (%) 100.00 100.00 100.00 Time Taken (milli-sec) 0.53 0.45 0.45 Throughput (Kbps) 3809.52 4405.29 4405.29 CPU LOAD (%) 100.00 100.00 100.00 Interrupt mode: Bus Frequency (MHz) 10.00 15.00 20.00 Polled mode: Bus Frequency (MHz) 10.00 15.00 20.00 Page 16 of 51 BIOSPSP Datasheet 3.3 UART Driver 3.3.1 Features supported 3.3.2 3.3.3 Multi-instance support and re-entrant driver Each instance supports a transmit channel and a receive channel Supports Polled, Interrupt and DMA Interrupt Mode of operation Features not supported Loopback is not supported in interrupt mode In case of time bound IO requests, on timeout the driver is not able to perform any operations on the peripheral. (This peripheral limitation is documented in the technical reference manual of I2C under ICMDR register). Memory usage Memory Statistics (Bytes) Component 3.3.4 3.3.4.1 3.3.4.2 Data Memory Program Memory Total Initialized Un-Initialized UART 15616 204 1328 17148 UART EDMA 1888 64 0 1952 Total 17504 268 1328 19100 Resource usage Polled mode SEMAPHORES DESCRIPTION 1 For synchronization of submit API SEMAPHORES DESCRIPTION None NA INTERRUPTS DESCRIPTION 1 For Transmit and receive channels Interrupt mode Page 17 of 51 BIOSPSP Datasheet 3.3.4.3 3.3.5 DMA mode SEMAPHORES DESCRIPTION None NA EDMA3 CHANNELS DESCRIPTION 1 For Transmit Channel 1 For Receive Channel EDMA3 PARAMS DESCRIPTION 1 For Transmit Channel 1 For Receive Channel I/O Throughput and CPU Loading CPU load and thorough put are calculated between start of I/O operation and end of I/O operation at application level. The following are setup details for measuring the throughput in different modes No of bytes transferred: 1024, 8192 and 51200 bytes Baud rate: 115200 3.3.5.1 I/O Write Performance The following graphs represent throughput numbers and CPU loads at different bus frequencies Figure 5 Uart Write Performance Page 18 of 51 BIOSPSP Datasheet DMA mode: Buffer Size (KB) 1.00 8.00 50.00 Time Taken (milli-sec) 88.37 707.69 4423.62 Throughput (bps) 104289.18 104180.62 104168.17 CPU LOAD (%) 0.38 0.31 0.33 Time Taken (milli-sec) 87.16 706.74 4424.51 Throughput (bps) 105736.98 104321.64 104147.18 CPU LOAD (%) 6.75 6.72 6.78 Time Taken (milli-sec) 88.53 708.11 4425.88 Throughput (bps) 104099.13 104119.66 104114.87 CPU LOAD (%) 62.80 63.96 64.11 Interrupt mode: Buffer Size (KB) 1.00 8.00 50.00 Polled mode: Buffer Size (KB) 1.00 8.00 50.00 Page 19 of 51 BIOSPSP Datasheet 3.4 BLOCKMEDIA Driver 3.4.1 Features supported 3.4.2 Provides both Sync access for File system as well as for Raw/Sector level access (for e.g. USB MSC Class). Provides interfaces for Mass Storage Class devices like USB, NAND, MMC/SD etc. Provides support for big block sector sizes. Supports cache alignment on unaligned buffers from application. Provides Write Protect support and Removable media support. Features not supported None 3.4.3 Memory usage Raw Memory Statistics (Bytes) Component 3.4.4 Data Memory Program Memory Initialized Un-Initialized Total blkmedia 9856 297 1563052 1573205 Total 9856 297 1563052 1573205 Memory usage File System Memory Statistics (Bytes) Component 3.4.5 3.4.5.1 3.4.5.2 3.4.5.3 Data Memory Program Memory Initialized Un-Initialized Total blkmedia 12736 297 1563052 1576053 Total 12736 297 1563052 1576053 Resource usage Polled mode SEMAPHORES DESCRIPTION NA NA Interrupt mode SEMAPHORES DESCRIPTION NA NA DMA mode Page 20 of 51 BIOSPSP Datasheet SEMAPHORES DESCRIPTION 25 Assuming MMC0, MMC1, NAND,USB0, USB1, ATA0 and ATA1 are attached to BlockMedia EDMA memcopy for I/O (Filesystem) is Enabled. EDMA memcopy for I/O (Sector level) is Enabled. 3.4.5 Brief usage of Semaphores: 1. Semaphore-1: For Block Media Event i.e. for attaching of device. 2. Semaphore-1: For Block Media Mount i.e. Mounting drives on File system. 3. Semaphores-21: For each Block Media device Semaphores-3, each for Sector I/O, File system I/O & IOCTLs invocation. 4. Semaphores-2: Each For Block Media EDMA memcopy for File system I/O and async (Sector Level I/O). 3.4.6 EDMA3 CHANNELS DESCRIPTION 1 For file system access 1 For RAW access EDMA3 PARAMS DESCRIPTION 1 For file system access 1 For RAW access I/O Throughput and CPU Loading for MMC/SD using Block media CPU load and thorough put are calculated between start of I/O operation and end of I/O operation at application level. The following are setup details for measuring the throughput in different modes No of bytes transferred: 10485760 bytes (10 MB) Card Size: 2GB SD. Card Make: Elite Pro. 3.4.6.1 I/O Write Performance The following graphs represent throughput numbers and CPU loads at different buffer sizes. Page 21 of 51 BIOSPSP Datasheet Figure 6 MMCSD WRITE Performance DMA mode: Buffer Size (KB) 100.00 250.00 400.00 Time Taken (seconds) 2.27 1.85 1.79 Throughput (MBps) 4.41 5.41 5.58 CPU LOAD (%) 1.51 1.23 1.12 Time Taken (seconds) 22.79 10.02 6.97 Throughput (MBps) 0.44 1.00 1.43 CPU LOAD (%) 10.60 18.82 26.19 Polled mode: Buffer Size (KB) 100.00 250.00 400.00 Page 22 of 51 BIOSPSP Datasheet 3.4.6.2 I/O Read Performance The following graphs represent throughput numbers and CPU loads at different buffer sizes. Figure 7 MMCSD READ Performance DMA mode: Buffer Size (KB) 100.00 250.00 400.00 Time Taken (seconds) 0.93 0.90 0.89 Throughput (MBps) 10.75 11.11 11.24 CPU LOAD (%) 2.88 1.99 1.76 Time Taken (seconds) 0.93 0.90 0.89 Throughput (MBps) 10.75 11.11 11.19 CPU LOAD (%) 100.00 100.00 100.00 Polled mode: Buffer Size (KB) 100.00 250.00 400.00 Page 23 of 51 BIOSPSP Datasheet 3.4.7 I/O Throughput and CPU Loading for NAND using Block media The following are setup details for measuring the throughput in different modes No of bytes transferred: 5242880 bytes (5 MB) Size of NAND: 512 MB. 3.4.7.1 I/O Write Performance The following graphs represent throughput numbers and CPU loads at different buffer sizes. Figure 8 NAND WRITE Performance DMA mode: Buffer Size (KB) 150.00 250.00 1000.00 Time Taken (seconds) 4.62 4.75 3.37 Throughput (MBps) 1.08 1.05 1.48 CPU LOAD (%) 29.26 28.07 32.09 Time Taken (seconds) 4.19 4.31 2.94 Throughput (MBps) 1.19 1.16 1.70 CPU LOAD (%) 100.00 100.00 100.00 Polled mode: Buffer Size (KB) 150.00 250.00 1000.00 Page 24 of 51 BIOSPSP Datasheet 3.4.7.2 I/O Read Performance The following graphs represent throughput numbers and CPU loads at different buffer sizes. Figure 9 NAND READ Performance DMA mode: Buffer Size (KB) 150.00 250.00 1000.00 Time Taken (seconds) 2.80 2.80 2.89 Throughput (MBps) 1.78 1.78 1.73 CPU LOAD (%) 20.86 20.88 23.10 Time Taken (seconds) 3.31 3.31 3.39 Throughput (MBps) 1.51 1.51 1.47 CPU LOAD (%) 100.00 100.00 100.00 Polled mode: Buffer Size (KB) 150.00 250.00 1000.00 Page 25 of 51 BIOSPSP Datasheet 3.4.8 I/O Throughput and CPU Loading for SATA using Block media The following are setup details for measuring the throughput in different modes No of bytes transferred: 104857600 bytes (100 MB) Drive Size: 500 GB. Make: SEAGATE SATA HDD. 3.4.8.1 I/O Write Performance The following graphs represent throughput numbers and CPU loads at different buffer sizes. Figure 10 SATA Write Performance DMA mode: Buffer Size (KB) 100.00 250.00 400.00 3.4.8.2 Time Taken (milli-sec) 1188.86 1434.67 1523.56 Throughput (MBps) 84.11 69.70 65.64 CPU LOAD (%) 19.87 14.91 14.23 I/O Read Performance The following graphs represent throughput numbers and CPU loads at different buffer sizes. Page 26 of 51 BIOSPSP Datasheet Figure 11 SATA Read Performance DMA mode: Buffer Size (KB) 100.00 250.00 400.00 Time Taken (milli-sec) 792.05 785.37 801.33 Throughput (MBps) 126.25 127.33 124.79 CPU LOAD (%) 28.82 26.53 26.14 Page 27 of 51 BIOSPSP Datasheet 3.5 GPIO 3.5.1 Features supported 3.5.2 Setting GPIO pin directions Marking pins or banks as available for use Enabling and Disabling of bank interrupts Registering interrupt handlers for a pin or bank interrupt Getting or setting a group of pins to a value Features not supported None 3.5.3 Memory usage Memory Statistics (Bytes) Component 3.5.4 3.5.4.1 3.5.4.2 Data Memory Program Memory Initialized Un-Initialized Total Gpio 3904 1254 2862 8020 Total 3904 1254 2862 8020 Resource usage Semaphores SEMAPHORES DESCRIPTION NA NA EDMA resources EDMA3 CHANNELS DESCRIPTION NA NA EDMA3 PARAMS DESCRIPTION NA NA Page 28 of 51 BIOSPSP Datasheet 3.6 LCDC LIDD Driver 3.6.1 Features supported Multi-instance able, asynchronous and re-entrant driver. Each instance operates as a LIDD controller instance of the LCDC. Supports only character LCD type. 3.6.2 Features not supported The LCDC controller has two modes of operation. One is the Raster mode and the other is the LIDD mode. However, only one mode can be operation can be chosen at a time. Following this constraint, the drivers for these two modes have been separated out and the each mode has a different driver/module, namely Raster and Lidd. Only one driver should be used at a time. 3.6.3 Memory usage Memory Statistics (Bytes) Component 3.6.4 3.6.4.1 3.6.4.2 3.6.4.3 Data Memory Program Memory Total Initialized Un-Initialized Lidd 8736 120 344 9200 Total 8736 120 344 9200 Resource usage Polled mode SEMAPHORES DESCRIPTION NA NA Interrupt mode SEMAPHORES DESCRIPTION NA NA SEMAPHORES DESCRIPTION None NA EDMA3 CHANNELS DESCRIPTION None None DMA mode Page 29 of 51 BIOSPSP Datasheet 3.7 3.7.1 LCDC RASTER Driver Features supported Supports QVGA display. Supports enabling and disabling of raster. Supports display at various bits per pixel configurations – 1, 2, 4, 8, 12 and 16bpp. Supports channel creation and deletion through SIO create and delete APIs and queueing and dequeing of buffers through SIO issue and reclaim APIs. Supports ioctls to retrieve the raster and sub panel configuration. Supports ioctls for setting the sub panel and DMA configurations(frame buffer mode, burst size and end of frame interrupt). Supports adding and clearing events and event stats. 3.7.2 Features not supported The LCDC controller has two modes of operation. One is the Raster mode and the other is the LIDD mode. However, only one mode can be operation can be chosen at a time. Following this constraint, the drivers for these two modes have been separated out and the each mode has a different driver/module, namely Raster and Lidd. Only one driver should be used at a time. 3.7.3 Memory usage Memory Statistics (Bytes) Component 3.7.4 3.7.4.1 3.7.4.2 3.7.4.3 Data Memory Program Memory Total Initialized Un-Initialized Raster 15424 505 432 16361 Total 15424 505 432 16361 Resource usage Polled mode SEMAPHORES DESCRIPTION NA NA Interrupt mode SEMAPHORES DESCRIPTION NA NA SEMAPHORES DESCRIPTION None NA DMA mode Page 30 of 51 BIOSPSP Datasheet 3.7.5 EDMA3 CHANNELS DESCRIPTION None NA EDMA3 PARAMS DESCRIPTION None NA I/O CPU Loading CPU load and thorough put are calculated between start of I/O operation and end of I/O operation at application level. In 16 bpp mode, here are the performance values: Frames per second = 60 CPU Load = 20.72% Page 31 of 51 BIOSPSP Datasheet 3.8 3.8.1 McASP Driver Features supported Multi-instance support and re-entrant driver Each instance can operate as a receiver and/or transmitter Supports multiple data formats Can be configured to operate in multi-slot TDM, I2S, DSP and DIT (S/PDIF) modes Mechanism to transmit desired data (such as NULL tone) when idle Explicit control of PIN directions for High Clock, Bit Clock and Frame Sync PINS. FIFO support for both TX and RX sections. 3.8.2 Features not supported Sample rate change IOCTL is not supported in master mode. 3.8.3 Memory usage Memory Statistics (Bytes) Component 3.8.4 3.8.4.1 Data Memory Program Memory Total Initialized Un-Initialized Mcasp 17984 332 1476 19792 Mcasp Edma 5408 124 0 5532 Mcasp ioctl 7424 116 0 7540 Total 30816 572 1476 32864 Resource usage DMA mode SEMAPHORES DESCRIPTION 0 NA INTERRUPTS DESCRIPTION 1 For transmit and receive combined. EDMA3 CHANNELS DESCRIPTION 1 Per channel EDMA3 PARAMS DESCRIPTION 2 Per channel Page 32 of 51 BIOSPSP Datasheet 3.8.5 I/O Throughput and CPU Loading CPU load and thorough put are calculated between start of I/O operation and end of I/O operation at application level at different number of samples with below mentioned configurations. The following are setup details for measuring the performance in different number of samples. Codec device: AIC3106 Sample Rate: 48 KHz Word Length: 32 bit Mode of MCASP: DSP 3.8.5.1 I/O Read-Write Performance The following graphs represent latency period and CPU loads at different sample size. Figure 12 Mcasp Read write peformance Page 33 of 51 BIOSPSP Datasheet The following graph represent latency period at different sample size. Figure 13 Mcasp latency DMA mode: Latency (ms) Sample Size CPU Load (%) 0.5 24 30.15 1 48 15.21 2 96 7.76 4 192 4.03 8 384 2.17 32 1536 0.79 48 2304 0.64 64 3072 0.57 Page 34 of 51 BIOSPSP Datasheet 3.9 3.9.1 3.9.2 McBSP Driver Features supported Multi-instance support and re-entrant driver Each instance can operate as a receiver and/or transmitter Supports multiple data formats Mechanism to transmit desired data (such as NULL tone) when idle Memory usage Memory Statistics (Bytes) Component 3.9.3 3.9.3.1 Data Memory Program Memory Total Initialized Un-Initialized Mcbsp 15712 180 1968 17860 Mcbsp Edma 4640 64 0 4704 Mcbsp ioctl 2080 0 0 2080 Total 22432 244 1968 24644 Resource usage DMA mode SEMAPHORES DESCRIPTION 0 NA INTERRUPTS DESCRIPTION 1 For transmit and receive combined. EDMA3 CHANNELS DESCRIPTION 1 Per channel EDMA3 PARAMS DESCRIPTION 2 Per channel Page 35 of 51 BIOSPSP Datasheet 3.9.4 I/O Throughput and CPU Loading CPU load and thorough put are calculated between start of I/O operation and end of I/O operation at application level at different number of samples with below mentioned configurations. The following are setup details for measuring the performance in different number of samples. Buffer Length: 100 Word Length: 32 bit No of Channel: 1 3.9.4.1 I/O Write Performance Figure 14 Mcbsp Write performance DMA mode: Bit Clock (KHz) 768.00 1024.00 1411.20 1536.00 2048.00 3072.00 Time Taken (milli-sec) 4.23 3.18 2.32 2.13 1.62 1.08 Throughput (Kbps) 738.60 982.70 1345.63 1467.37 1934.98 2893.52 CPU LOAD (%) 67.58 68.21 68.68 68.96 69.99 72.20 Page 36 of 51 BIOSPSP Datasheet 3.10 Audio Interface Driver 3.10.1 Features supported Multi-instance support and re-entrant driver. Each instance can be used to configure a complete receive and transmit section of an audio configuration consisting of an audio device and multiple audio codecs. 3.10.2 Features not supported None 3.10.3 Memory usage Memory Statistics (Bytes) Component Data Memory Program Memory Total Initialized Un-Initialized Audio 2688 89 364 3141 Total 2688 89 364 3141 3.10.4 Resource usage None Page 37 of 51 BIOSPSP Datasheet 3.11 Aic3106 codec Driver 3.11.1 Features supported Multi-instance support and re-entrant driver. Each instance can operate as a receiver and or transmitter. Interfaces to control the codec specific features like sample rate etc. 3.11.2 Features not supported None 3.11.3 Memory usage Memory Statistics (Bytes) Component Data Memory Program Memory Total Initialized Un-Initialized Aic31 8768 93 164 9025 Total 8768 93 164 9025 3.11.4 Resource usage SEMAPHORES DESCRIPTION 1 For Both TX and RX channels combined. Page 38 of 51 BIOSPSP Datasheet 3.12 MMCSD Driver 3.12.1 Features supported Plain module like interface (non-IOM drivers) Re-entrant safe driver Provides Async IO mechanism Configurable to operate in Polled and DMA mode Supports hot removal and insertion of MMC/SD card Supports variety of SD and MMC cards o Patriot 8GB SD card o Transcend 512 MB SD card o Sandisk 4GB SD card o Transcend 128MB MMC card o Transcend 256MB MMC card o Transcend 1GB MMC card o Transcend 2GB MMC card o 2GB High speed Elite pro SD card 3.12.2 Features not supported 4 bit and 8 bit MMC operation 3.12.3 Memory usage Memory Statistics (Bytes) Component Data Memory Program Memory dda_mmcsdBios 3808 Total Initialized Un-Initialized 248 68 4124 dda_mmcsdCfg 0 14 8 22 ddc_mmcsd 35712 186 2618 38516 llc_mmcsd 2880 0 0 2880 Total 42400 448 2694 45542 3.12.4 Resource usage 3.12.4.1 Polled mode SEMAPHORES DESCRIPTION 6 Blkmedia callback, driver alignment and sync operations. Page 39 of 51 BIOSPSP Datasheet 3.12.4.2 3.12.4.3 Interrupt mode SEMAPHORES DESCRIPTION NA NA SEMAPHORES DESCRIPTION 6 Blkmedia callback, driver alignment and sync operations. EDMA3 CHANNELS DESCRIPTION 2 For Transmit Channel 2 For Receive Channel EDMA3 PARAMS DESCRIPTION 2 For Transmit Channel 2 For Receive Channel DMA mode Page 40 of 51 BIOSPSP Datasheet 3.13 NAND Driver 3.13.1 Features supported Plain module like interface (non-IOM drivers) Supports 512-byte page and 2048-byte page NAND devices. Supports 8-bit and 16-bit NAND devices Error correction using 4-bit ECC mechanism Supports wear-leveling and bad-block management functionalities Supports protecting a portion of the NAND flash from application access 3.13.2 Features not supported None 3.13.3 Memory usage Memory Statistics (Bytes) Component Data Memory Program Memory Total Initialized Un-Initialized dda_nandBios 2368 47 28 2443 ddc_nandFtl 7616 0 20288 27904 ddc_nand 1024 36 32 1092 llc_nand 10464 355 488 11307 Total 21472 438 20836 42746 3.13.4 Resource usage 3.13.4.1 3.13.4.2 3.13.4.3 Polled mode SEMAPHORES DESCRIPTION 1 For exclusive locking of IO APIs, erase IOCTL, driver registration, and completion callback to blkmedia driver. Interrupt mode SEMAPHORES DESCRIPTION NA NA SEMAPHORES DESCRIPTION 2 For exclusive locking of IO APIs, erase IOCTL, driver registration, completion callback to blkmedia driver and edma synchronization DMA mode Page 41 of 51 BIOSPSP Datasheet EDMA3 CHANNELS DESCRIPTION 1 For Transmit and receive Channel EDMA3 PARAMS DESCRIPTION 1 For Transmit and receive Channels Page 42 of 51 BIOSPSP Datasheet 3.14 SATA 3.14.1 Features supported Support ATA/ATAPI protocol 3.14.2 Features not supported Port Multiplier support Power Management support. CD/DVD – ATAPI support SATA as removable media Native command Queueing. 3.14.3 Memory usage Memory Statistics (Bytes) Component Data Memory Program Memory Total Initialized Un-Initialized Ahci 8000 0 10804 18804 Ata 29440 164 3544 33148 Ata_remmed 2240 0 28 2268 Atadrv 1568 212 56 1836 Atapi 2368 20 0 2388 Sata_intf 2912 124 80 3116 Sata_pm 4320 36 4 4360 Total 50848 556 14516 65920 3.14.4 Resource usage NA Page 43 of 51 BIOSPSP Datasheet 3.15 PSC 3.15.1 Features supported Simple module level functions. Standalone module (driver). 3.15.2 Features not supported PSC does NOT support instances. PSC does not implement IOM interface. 3.15.3 Memory usage Memory Statistics (Bytes) Component Data Memory Program Memory Total Initialized Un-Initialized Psc 768 0 256 1024 Total 768 0 256 1024 3.15.4 Resource usage NA Page 44 of 51 BIOSPSP Datasheet 3.16 EvmInit 3.16.1 Features supported Evm specific initializations for the required modules. 3.16.2 Features not supported Initializations specific only to those instances used by the sample application are supported. 3.16.3 Memory usage Memory Statistics (Bytes) Component Data Memory Program Memory Total Initialized Un-Initialized audio_evmInit 224 0 44 268 common_evmInit 32 0 0 32 gpio_evmInit 64 0 0 64 i2c_evmInit 64 0 0 64 lcdlidd_evmInit 1312 6 52 1370 lcdraster_evmInit 736 41 8 785 mcbsp_evmInit 64 0 0 64 mmcsd_evmInit 448 0 0 448 mmcsd_startup 416 0 0 416 nand_evmInit 128 0 0 128 nand_startup 416 0 0 416 sata_evmInit 64 0 0 64 sata_startup 544 32 24 600 spi_evmInit 96 0 0 96 uart_evmInit 96 0 0 96 upp_evmInit.c 1792 79 52 1923 vpif_evmInit 2560 35 52 2647 Total 9056 193 232 9481 3.16.4 Resource usage NA Page 45 of 51 BIOSPSP Datasheet 3.17 VPIF Driver 3.17.1 Features supported Supports Multiple VPIF channels (2 capture and 2 display channels are supported on OMAPL138 EVM) Supports dual channel 8-bit BT.656 capture and single channel 8, 10 or 12-bit RAW capture. Supports dual channel 8-bit BT.656 display. External Device Control Interface using EDC driver for seamless integration with different video encoder or decoder devices Supports flipping/exchange of multiple frame buffers for seamless capture and display operation 3.17.2 Features not supported HD Capture and Display RAW Display VBI data Capture and Display 3.17.3 Memory usage Memory Statistics (Bytes) Component Data Memory Program Memory Total Initialized Un-Initialized Vpif 21600 1544 1376 24520 Total 21600 1544 1376 24520 3.17.4 Resource usage 3.17.4.1 DMA mode SEMAPHORES DESCRIPTION None NA EDMA3 CHANNELS DESCRIPTION None NA EDMA3 PARAMS DESCRIPTION None NA Page 46 of 51 BIOSPSP Datasheet 3.17.5 I/O Throughput and CPU Loading CPU load and thorough put are calculated between start of I/O operation and end of I/O operation at application level at different number of samples with below mentioned configurations. The following are setup details for measuring the performance in different number of samples. No of frames: 300 3.17.5.1 I/O Read-Write Performance Fig: Read-Write performance NTSC mode: Buffer Size 3 4 5 Time Taken (seconds) 10.01 10.01 10.01 Throughput (fps) 29.97 29.97 29.97 CPU LOAD (%) 3.66 3.64 3.64 Time Taken (seconds) 12.00 12.00 12.00 Throughput (fps) 25.00 25.00 25.00 CPU LOAD (%) 3.62 3.62 3.62 PAL mode: Buffer Size 3 4 5 Page 47 of 51 BIOSPSP Datasheet 3.18 VPIF EDC Driver 3.18.1 Features supported Generic interface for codec interaction Plain Module like interface (non-IOM drivers) ADV7343 encoder support TVP5147 decoder support MT9T001 external image sensor support 3.18.2 Features not supported ED and HD parameter settings are not supported 3.18.3 Memory usage Memory Statistics (Bytes) Component Data Memory Program Memory Total Initialized Un-Initialized Adv7343 6400 218 116 6734 CodecInterface 2272 42 252 2566 Mt9t001 4864 318 64 5246 Tvp5147 6432 382 176 6990 Total 19968 960 608 21536 3.18.4 Resource usage SEMAPHORES DESCRIPTION 1 For synchronization of submit API Page 48 of 51 BIOSPSP Datasheet 3.19 UPP Driver 3.19.1 Features supported Multi-instance support and re-entrant driver. Each instance can operate as a receiver and or transmitter. Interfaces to change the channel configurations. 3.19.2 Features not supported NA 3.19.3 Memory usage Memory Statistics (Bytes) Component Data Memory Program Memory Total Initialized Un-Initialized upp.c 11360 104 528 11992 upp_ioctl.c 3008 0 0 3008 Total 14368 104 528 15000 3.19.4 Resource usage NA Page 49 of 51 BIOSPSP Datasheet 3.19.5 I/O Throughput and CPU Loading CPU load and thoroughput are calculated between start of I/O operation and end of I/O operation at application level at different bit clocks with below mentioned configurations. The following are setup details for measuring the performance in different number of samples. No of bytes: 409600 3.19.5.1 I/O Read-Write Performance Figure 15 Upp Write Performance UPP 1 channel 8 bit single Data rate Write Performance Values: I/O Clock (MHz) 75.00 37.50 25.00 Time Taken (micro-sec) 5806.50 11266.50 16728.17 Throughput (Mbps) 70.54 36.36 24.49 CPU LOAD (%) 6.52 3.50 2.43 UPP 1 channel 16 bit single Data rate Write Performance Values: I/O Clock (MHz) 75.00 37.50 25.00 Time Taken (milli-sec) 3075.67 5806.33 8537.00 Throughput (Mbps) 133.17 70.54 47.98 CPU LOAD (%) 12.32 6.50 4.51 Page 50 of 51 BIOSPSP Datasheet UPP 1 channel 8 bit Double Data rate Write Performance Values: I/O Clock (MHz) 37.50 25.00 15.00 Time Taken (milli-sec) 5806.33 8537.00 14000.67 Throughput (Kbps) 70.54 47.98 29.26 CPU LOAD (%) 6.51 4.50 2.88 UPP 1 channel 16 bit Double Data rate Write Performance Values: I/O Clock (MHz) 37.50 25.00 15.00 Time Taken (milli-sec) 3075.00 4440.67 7171.33 Throughput (Kbps) 133.20 92.24 57.12 CPU LOAD (%) 12.07 8.50 5.34 Page 51 of 51