modified init_fpga() to honour JTAG configuration. Does not work
currently and needs support from the TOS side (program not finished yet)
This commit is contained in:
@@ -203,8 +203,8 @@ SECTIONS
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__EMUTOS_SIZE = 0x00100000;
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/* where FPGA data lives in flash */
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__FPGA_FLASH_DATA = 0xe0700000;
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__FPGA_FLASH_DATA_SIZE = 0x100000;
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__FPGA_CONFIG = 0xe0700000;
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__FPGA_CONFIG_SIZE = 0x100000;
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/* VIDEO RAM BASIS */
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__VRAM = 0x60000000;
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@@ -228,8 +228,13 @@ SECTIONS
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/* 4KB on-chip Core SRAM1 */
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__RAMBAR1 = 0xFF101000;
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__RAMBAR1_SIZE = 0x00001000;
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__SUP_SP = __RAMBAR0 + __RAMBAR0_SIZE - 4;
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__SUP_SP = __RAMBAR1 + __RAMBAR1_SIZE - 4;
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/*
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* this flag (if 1) indicates that FPGA configuration has been loaded through JTAG
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* and shouldn't be overwritten on boot
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*/
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__FPGA_JTAG_LOADED = __RAMBAR1;
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/* system variables */
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/* RAMBAR0 0 to 0x7FF -> exception vectors */
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@@ -39,7 +39,7 @@
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#error "unknown machine!"
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#endif /* MACHINE_FIREBEE */
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#define DBG_DMA
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// #define DBG_DMA
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#ifdef DBG_DMA
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#define dbg(format, arg...) do { xprintf("DEBUG: " format, ##arg); } while (0)
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#else
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@@ -1,4 +1,4 @@
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#!/usr/local/bin/bdmctrl
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#!/usr/local/bin/bdmctrl -D2
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#
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# firebee board initialization for bdmctrl
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#
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@@ -21,32 +21,32 @@ write 0xFF000508 0x00001180 4
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write 0xFF000504 0x007F0001 4
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# SDRAM Initialization @ 0000_0000 - 1FFF_FFFF 512Mbytes
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write 0xFF000004 0x000002AA 4 # SDRAMDS configuration
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write 0xFF000020 0x0000001A 4 # SDRAM CS0 configuration (128Mbytes 0000_0000 - 07FF_FFFF)
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write 0xFF000024 0x0800001A 4 # SDRAM CS1 configuration (128Mbytes 0800_0000 - 0FFF_FFFF)
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write 0xFF000028 0x1000001A 4 # SDRAM CS2 configuration (128Mbytes 1000_0000 - 17FF_FFFF)
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write 0xFF00002C 0x1800001A 4 # SDRAM CS3 configuration (128Mbytes 1800_0000 - 1FFF_FFFF)
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write 0xFF000108 0x73622830 4 # SDCFG1
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write 0xFF00010C 0x46770000 4 # SDCFG2
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#write 0xFF000004 0x000002AA 4 # SDRAMDS configuration
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#write 0xFF000020 0x0000001A 4 # SDRAM CS0 configuration (128Mbytes 0000_0000 - 07FF_FFFF)
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#write 0xFF000024 0x0800001A 4 # SDRAM CS1 configuration (128Mbytes 0800_0000 - 0FFF_FFFF)
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#write 0xFF000028 0x1000001A 4 # SDRAM CS2 configuration (128Mbytes 1000_0000 - 17FF_FFFF)
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#write 0xFF00002C 0x1800001A 4 # SDRAM CS3 configuration (128Mbytes 1800_0000 - 1FFF_FFFF)
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#write 0xFF000108 0x73622830 4 # SDCFG1
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#write 0xFF00010C 0x46770000 4 # SDCFG2
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write 0xFF000104 0xE10D0002 4 # SDCR + IPALL
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write 0xFF000100 0x40010000 4 # SDMR (write to LEMR)
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write 0xFF000100 0x048D0000 4 # SDMR (write to LMR)
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sleep 100
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write 0xFF000104 0xE10D0002 4 # SDCR + IPALL
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write 0xFF000104 0xE10D0004 4 # SDCR + IREF (first refresh)
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write 0xFF000104 0xE10D0004 4 # SDCR + IREF (first refresh)
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write 0xFF000100 0x008D0000 4 # SDMR (write to LMR)
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write 0xFF000104 0x710D0F00 4 # SDCR (lock SDMR and enable refresh)
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sleep 10
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#write 0xFF000104 0xE10D0002 4 # SDCR + IPALL
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#write 0xFF000100 0x40010000 4 # SDMR (write to LEMR)
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#write 0xFF000100 0x048D0000 4 # SDMR (write to LMR)
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#sleep 100
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#write 0xFF000104 0xE10D0002 4 # SDCR + IPALL
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#write 0xFF000104 0xE10D0004 4 # SDCR + IREF (first refresh)
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#write 0xFF000104 0xE10D0004 4 # SDCR + IREF (first refresh)
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#write 0xFF000100 0x008D0000 4 # SDMR (write to LMR)
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#write 0xFF000104 0x710D0F00 4 # SDCR (lock SDMR and enable refresh)
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#sleep 10
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# use system sdram as flashlib scratch area.
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# TODO: plugin flashing seems to work o.k. now for smaller binaries, while it doesn't for larger ones (EmuTOS) yet.
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# This seems to be related to large flash buffers and PC-relative adressing of the plugin
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flash-plugin 0x1000 0xf000 flash29.plugin
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#flash-plugin 0x1000 0xf000 flash29-5475.plugin
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# notify flashlib that we have flash at address 0xE0000000, length 0x7FFFFF, plugin is flash29
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flash 0xE0000000
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flash 0xe0000000
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# Erase flash from 0xE0000000 to 0xE00FFFFF (reserved space for BaS)
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#
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@@ -55,17 +55,44 @@ flash 0xE0000000
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#
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# contrary to documentation, it seems we need to erase-wait after each sector
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erase 0xE0000000 0
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erase 0xE0000000 1
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erase 0xE0000000 2
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erase 0xE0000000 3
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erase 0xE0000000 4
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erase 0xE0000000 5
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erase 0xE0000000 7
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erase 0xE0000000 8
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erase 0xE0000000 9
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erase 0xE0000000 10
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erase-wait 0xE0000000
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erase 0xe0000000 0
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erase-wait 0xe0000000
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erase 0xe0000000 0x1000
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erase-wait 0xe0000000
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erase 0xe0000000 0x2000
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erase-wait 0xe0000000
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erase 0xe0000000 0x3000
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erase-wait 0xe0000000
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erase 0xe0000000 0x4000
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erase-wait 0xe0000000
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erase 0xe0000000 0x5000
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erase-wait 0xe0000000
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erase 0xe0000000 0x6000
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erase-wait 0xe0000000
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erase 0xe0000000 0x7000
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erase-wait 0xe0000000
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erase 0xe0000000 0x8000
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erase-wait 0xe0000000
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erase 0xe0000000 0x10000
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erase-wait 0xe0000000
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erase 0xe0000000 0x18000
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erase-wait 0xe0000000
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erase 0xe0000000 0x20000
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erase-wait 0xe0000000
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erase 0xe0000000 0x28000
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erase-wait 0xe0000000
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erase 0xe0000000 0x30000
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erase-wait 0xe0000000
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erase 0xe0000000 0x38000
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erase-wait 0xe0000000
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erase 0xe0000000 0x40000
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erase-wait 0xe0000000
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erase 0xe0000000 0x48000
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erase-wait 0xe0000000
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erase 0xe0000000 0x50000
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erase-wait 0xe0000000
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erase 0xe0000000 0x58000
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erase-wait 0xe0000000
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load -v ../firebee/bas.elf
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wait
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@@ -32,7 +32,7 @@
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#error Unknown machine!
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#endif
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#define DBG_FEC
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// #define DBG_FEC
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#ifdef DBG_FEC
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#define dbg(format, arg...) do { xprintf("DEBUG: %s(): " format, __FUNCTION__, ##arg); } while (0)
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#else
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@@ -33,10 +33,16 @@
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#define FPGA_DATA0 (1 << 3)
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#define FPGA_CONF_DONE (1 << 5)
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extern uint8_t _FPGA_FLASH_DATA[];
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#define FPGA_FLASH_DATA &_FPGA_FLASH_DATA[0]
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extern uint8_t _FPGA_FLASH_DATA_SIZE[];
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#define FPGA_FLASH_DATA_SIZE ((uint32_t) &_FPGA_FLASH_DATA_SIZE[0])
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extern uint8_t _FPGA_CONFIG[];
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#define FPGA_FLASH_DATA &_FPGA_CONFIG[0]
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extern uint8_t _FPGA_CONFIG_SIZE[];
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#define FPGA_FLASH_DATA_SIZE ((uint32_t) &_FPGA_CONFIG_SIZE[0])
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/*
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* flag located in processor SRAM1 that indicates that the FPGA configuration has
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* been loaded through JTAG. init_fpga() will honour this and not overwrite config.
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*/
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extern int32_t _FPGA_JTAG_LOADED;
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void config_gpio_for_fpga_config(void)
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{
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@@ -78,7 +84,15 @@ bool init_fpga(void)
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volatile int32_t time, start, end;
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int i;
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xprintf("FPGA load config... ");
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xprintf("FPGA load config (_FPGA_JTAG_LOADED = %x)...", _FPGA_JTAG_LOADED);
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if (_FPGA_JTAG_LOADED == 1)
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{
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xprintf("detected _FPGA_JTAG_LOADED flag. Not overwriting FPGA config.\r\n");
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/* reset the flag so that next boot will load config again from flash */
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_FPGA_JTAG_LOADED = 0;
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return true;
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}
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start = MCF_SLT0_SCNT;
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config_gpio_for_fpga_config();
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