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modified init_fpga() to honour JTAG configuration. Does not work

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currently and needs support from the TOS side (program not finished yet)
This commit is contained in:
Markus Fröschle
2014-06-22 16:00:49 +00:00
parent ae44abc952
commit 7fd0c0c663
5 changed files with 220 additions and 174 deletions
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11
bas.lk.in
View File

@@ -203,8 +203,8 @@ SECTIONS
__EMUTOS_SIZE = 0x00100000;
/* where FPGA data lives in flash */
__FPGA_FLASH_DATA = 0xe0700000;
__FPGA_FLASH_DATA_SIZE = 0x100000;
__FPGA_CONFIG = 0xe0700000;
__FPGA_CONFIG_SIZE = 0x100000;
/* VIDEO RAM BASIS */
__VRAM = 0x60000000;
@@ -228,8 +228,13 @@ SECTIONS
/* 4KB on-chip Core SRAM1 */
__RAMBAR1 = 0xFF101000;
__RAMBAR1_SIZE = 0x00001000;
__SUP_SP = __RAMBAR0 + __RAMBAR0_SIZE - 4;
__SUP_SP = __RAMBAR1 + __RAMBAR1_SIZE - 4;
/*
* this flag (if 1) indicates that FPGA configuration has been loaded through JTAG
* and shouldn't be overwritten on boot
*/
__FPGA_JTAG_LOADED = __RAMBAR1;
/* system variables */
/* RAMBAR0 0 to 0x7FF -> exception vectors */

2
dma/dma.c
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@@ -39,7 +39,7 @@
#error "unknown machine!"
#endif /* MACHINE_FIREBEE */
#define DBG_DMA
// #define DBG_DMA
#ifdef DBG_DMA
#define dbg(format, arg...) do { xprintf("DEBUG: " format, ##arg); } while (0)
#else

89
flash_scripts/flash_firebee_bas.bdm
View File

@@ -1,4 +1,4 @@
#!/usr/local/bin/bdmctrl
#!/usr/local/bin/bdmctrl -D2
#
# firebee board initialization for bdmctrl
#
@@ -21,32 +21,32 @@ write 0xFF000508 0x00001180 4
write 0xFF000504 0x007F0001 4
# SDRAM Initialization @ 0000_0000 - 1FFF_FFFF 512Mbytes
write 0xFF000004 0x000002AA 4 # SDRAMDS configuration
write 0xFF000020 0x0000001A 4 # SDRAM CS0 configuration (128Mbytes 0000_0000 - 07FF_FFFF)
write 0xFF000024 0x0800001A 4 # SDRAM CS1 configuration (128Mbytes 0800_0000 - 0FFF_FFFF)
write 0xFF000028 0x1000001A 4 # SDRAM CS2 configuration (128Mbytes 1000_0000 - 17FF_FFFF)
write 0xFF00002C 0x1800001A 4 # SDRAM CS3 configuration (128Mbytes 1800_0000 - 1FFF_FFFF)
write 0xFF000108 0x73622830 4 # SDCFG1
write 0xFF00010C 0x46770000 4 # SDCFG2
#write 0xFF000004 0x000002AA 4 # SDRAMDS configuration
#write 0xFF000020 0x0000001A 4 # SDRAM CS0 configuration (128Mbytes 0000_0000 - 07FF_FFFF)
#write 0xFF000024 0x0800001A 4 # SDRAM CS1 configuration (128Mbytes 0800_0000 - 0FFF_FFFF)
#write 0xFF000028 0x1000001A 4 # SDRAM CS2 configuration (128Mbytes 1000_0000 - 17FF_FFFF)
#write 0xFF00002C 0x1800001A 4 # SDRAM CS3 configuration (128Mbytes 1800_0000 - 1FFF_FFFF)
#write 0xFF000108 0x73622830 4 # SDCFG1
#write 0xFF00010C 0x46770000 4 # SDCFG2
write 0xFF000104 0xE10D0002 4 # SDCR + IPALL
write 0xFF000100 0x40010000 4 # SDMR (write to LEMR)
write 0xFF000100 0x048D0000 4 # SDMR (write to LMR)
sleep 100
write 0xFF000104 0xE10D0002 4 # SDCR + IPALL
write 0xFF000104 0xE10D0004 4 # SDCR + IREF (first refresh)
write 0xFF000104 0xE10D0004 4 # SDCR + IREF (first refresh)
write 0xFF000100 0x008D0000 4 # SDMR (write to LMR)
write 0xFF000104 0x710D0F00 4 # SDCR (lock SDMR and enable refresh)
sleep 10
#write 0xFF000104 0xE10D0002 4 # SDCR + IPALL
#write 0xFF000100 0x40010000 4 # SDMR (write to LEMR)
#write 0xFF000100 0x048D0000 4 # SDMR (write to LMR)
#sleep 100
#write 0xFF000104 0xE10D0002 4 # SDCR + IPALL
#write 0xFF000104 0xE10D0004 4 # SDCR + IREF (first refresh)
#write 0xFF000104 0xE10D0004 4 # SDCR + IREF (first refresh)
#write 0xFF000100 0x008D0000 4 # SDMR (write to LMR)
#write 0xFF000104 0x710D0F00 4 # SDCR (lock SDMR and enable refresh)
#sleep 10
# use system sdram as flashlib scratch area.
# TODO: plugin flashing seems to work o.k. now for smaller binaries, while it doesn't for larger ones (EmuTOS) yet.
# This seems to be related to large flash buffers and PC-relative adressing of the plugin
flash-plugin 0x1000 0xf000 flash29.plugin
#flash-plugin 0x1000 0xf000 flash29-5475.plugin
# notify flashlib that we have flash at address 0xE0000000, length 0x7FFFFF, plugin is flash29
flash 0xE0000000
flash 0xe0000000
# Erase flash from 0xE0000000 to 0xE00FFFFF (reserved space for BaS)
#
@@ -55,17 +55,44 @@ flash 0xE0000000
#
# contrary to documentation, it seems we need to erase-wait after each sector
erase 0xE0000000 0
erase 0xE0000000 1
erase 0xE0000000 2
erase 0xE0000000 3
erase 0xE0000000 4
erase 0xE0000000 5
erase 0xE0000000 7
erase 0xE0000000 8
erase 0xE0000000 9
erase 0xE0000000 10
erase-wait 0xE0000000
erase 0xe0000000 0
erase-wait 0xe0000000
erase 0xe0000000 0x1000
erase-wait 0xe0000000
erase 0xe0000000 0x2000
erase-wait 0xe0000000
erase 0xe0000000 0x3000
erase-wait 0xe0000000
erase 0xe0000000 0x4000
erase-wait 0xe0000000
erase 0xe0000000 0x5000
erase-wait 0xe0000000
erase 0xe0000000 0x6000
erase-wait 0xe0000000
erase 0xe0000000 0x7000
erase-wait 0xe0000000
erase 0xe0000000 0x8000
erase-wait 0xe0000000
erase 0xe0000000 0x10000
erase-wait 0xe0000000
erase 0xe0000000 0x18000
erase-wait 0xe0000000
erase 0xe0000000 0x20000
erase-wait 0xe0000000
erase 0xe0000000 0x28000
erase-wait 0xe0000000
erase 0xe0000000 0x30000
erase-wait 0xe0000000
erase 0xe0000000 0x38000
erase-wait 0xe0000000
erase 0xe0000000 0x40000
erase-wait 0xe0000000
erase 0xe0000000 0x48000
erase-wait 0xe0000000
erase 0xe0000000 0x50000
erase-wait 0xe0000000
erase 0xe0000000 0x58000
erase-wait 0xe0000000
load -v ../firebee/bas.elf
wait

2
net/fec.c
View File

@@ -32,7 +32,7 @@
#error Unknown machine!
#endif
#define DBG_FEC
// #define DBG_FEC
#ifdef DBG_FEC
#define dbg(format, arg...) do { xprintf("DEBUG: %s(): " format, __FUNCTION__, ##arg); } while (0)
#else

24
sys/init_fpga.c
View File

@@ -33,10 +33,16 @@
#define FPGA_DATA0 (1 << 3)
#define FPGA_CONF_DONE (1 << 5)
extern uint8_t _FPGA_FLASH_DATA[];
#define FPGA_FLASH_DATA &_FPGA_FLASH_DATA[0]
extern uint8_t _FPGA_FLASH_DATA_SIZE[];
#define FPGA_FLASH_DATA_SIZE ((uint32_t) &_FPGA_FLASH_DATA_SIZE[0])
extern uint8_t _FPGA_CONFIG[];
#define FPGA_FLASH_DATA &_FPGA_CONFIG[0]
extern uint8_t _FPGA_CONFIG_SIZE[];
#define FPGA_FLASH_DATA_SIZE ((uint32_t) &_FPGA_CONFIG_SIZE[0])
/*
* flag located in processor SRAM1 that indicates that the FPGA configuration has
* been loaded through JTAG. init_fpga() will honour this and not overwrite config.
*/
extern int32_t _FPGA_JTAG_LOADED;
void config_gpio_for_fpga_config(void)
{
@@ -78,7 +84,15 @@ bool init_fpga(void)
volatile int32_t time, start, end;
int i;
xprintf("FPGA load config... ");
xprintf("FPGA load config (_FPGA_JTAG_LOADED = %x)...", _FPGA_JTAG_LOADED);
if (_FPGA_JTAG_LOADED == 1)
{
xprintf("detected _FPGA_JTAG_LOADED flag. Not overwriting FPGA config.\r\n");
/* reset the flag so that next boot will load config again from flash */
_FPGA_JTAG_LOADED = 0;
return true;
}
start = MCF_SLT0_SCNT;
config_gpio_for_fpga_config();