Merge pull request #7 from lucianomartin/dfu_fix

Fixed reboot for XS2 and cleaned up reboot for XS1
This commit is contained in:
Ross Owen
2018-01-11 12:40:53 -05:00
committed by GitHub

View File

@@ -20,6 +20,16 @@ unsigned get_tile_id(tileref);
extern tileref tile[]; extern tileref tile[];
/* Function to reset the given tile */
void reset_tile(unsigned tileId)
{
unsigned int pllVal;
read_sswitch_reg(tileId, 6, pllVal);
pllVal &= PLL_MASK;
write_sswitch_reg_no_ack(tileId, 6, pllVal);
}
void device_reboot_aux(void) void device_reboot_aux(void)
{ {
#if (XUD_SERIES_SUPPORT == 1) #if (XUD_SERIES_SUPPORT == 1)
@@ -31,10 +41,13 @@ void device_reboot_aux(void)
/* Disable USB and issue reset to xcore only - not analogue chip */ /* Disable USB and issue reset to xcore only - not analogue chip */
write_node_config_reg(usb_tile, XS1_SU_CFG_RST_MISC_NUM,0b10); write_node_config_reg(usb_tile, XS1_SU_CFG_RST_MISC_NUM,0b10);
#else #else
unsigned int pllVal;
unsigned int localTileId = get_local_tile_id(); unsigned int localTileId = get_local_tile_id();
unsigned int tileId; unsigned int tileId;
unsigned int tileArrayLength; unsigned int tileArrayLength;
#ifdef __XS2A__
unsigned int localTileNum;
#endif
#if (XUD_SERIES_SUPPORT == 4) #if (XUD_SERIES_SUPPORT == 4)
/* Disconnect from bus */ /* Disconnect from bus */
@@ -45,25 +58,42 @@ void device_reboot_aux(void)
/* Find size of tile array - note in future tools versions this will be available from platform.h */ /* Find size of tile array - note in future tools versions this will be available from platform.h */
asm volatile ("ldc %0, tile.globound":"=r"(tileArrayLength)); asm volatile ("ldc %0, tile.globound":"=r"(tileArrayLength));
/* Reset all remote tiles */ #ifdef __XS2A__
for(int i = 0; i< tileArrayLength; i++) /* Find tile number of the local tile ID*/
for(int tileNum = 0; tileNum<tileArrayLength; tileNum++) {
if (get_tile_id(tile[tileNum]) == localTileId) {
localTileNum = tileNum;
break;
}
}
#endif
#ifndef __XS2A__
/* Reset all tiles, starting from the remote ones */
for(int tileNum = tileArrayLength-1; tileNum>=0; tileNum--)
#else
/* Reset all even tiles, starting from the remote ones */
for(int tileNum = tileArrayLength-2; tileNum>=0; tileNum=tileNum-2)
#endif
{ {
/* Cannot cast tileref to unsigned! */ /* Cannot cast tileref to unsigned! */
tileId = get_tile_id(tile[i]); tileId = get_tile_id(tile[tileNum]);
/* Do not reboot local tile yet! */ /* Do not reboot local tile yet! */
#ifndef __XS2A__
if(localTileId != tileId) if(localTileId != tileId)
#else
/* In XS2A the tile paired up with the local tile can't be rebooted either */
if((localTileNum|0x01) != (tileNum|0x01))
#endif
{ {
read_sswitch_reg(tileId, 6, pllVal); reset_tile(tileId);
pllVal &= PLL_MASK;
write_sswitch_reg_no_ack(tileId, 6, pllVal);
} }
} }
/* Finally reboot this tile! */ /* Finally reboot this tile! */
read_sswitch_reg(localTileId, 6, pllVal); reset_tile(localTileId);
pllVal &= PLL_MASK;
write_sswitch_reg_no_ack(localTileId, 6, pllVal);
#endif #endif
} }