board/w7o/fpga.c: make (mostly) checkpatch clean
Just reformated the code. No attempts were made to clean up warnings about "Use of volatile is usually wrong" or "externs should be avoided". Signed-off-by: Wolfgang Denk <wd@denx.de>
This commit is contained in:
Wolfgang Denk
parent
fb82fd7a32
commit
100a4dcefd
577
board/w7o/fpga.c
577
board/w7o/fpga.c
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@ -31,349 +31,356 @@
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static void
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fpga_img_write(unsigned long *src, unsigned long len, unsigned short *daddr)
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{
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unsigned long i;
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volatile unsigned long val;
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volatile unsigned short *dest = daddr; /* volatile-bypass optimizer */
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unsigned long i;
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volatile unsigned long val;
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volatile unsigned short *dest = daddr; /* volatile-bypass optimizer */
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for (i = 0; i < len; i++, src++) {
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val = *src;
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*dest = (unsigned short)((val & 0xff000000L) >> 16);
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*dest = (unsigned short)((val & 0x00ff0000L) >> 8);
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*dest = (unsigned short)(val & 0x0000ff00L);
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*dest = (unsigned short)((val & 0x000000ffL) << 8);
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}
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for (i = 0; i < len; i++, src++) {
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val = *src;
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*dest = (unsigned short) ((val & 0xff000000L) >> 16);
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*dest = (unsigned short) ((val & 0x00ff0000L) >> 8);
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*dest = (unsigned short) (val & 0x0000ff00L);
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*dest = (unsigned short) ((val & 0x000000ffL) << 8);
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}
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/* Terminate programming with 4 C clocks */
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dest = daddr;
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val = *(unsigned short *)dest;
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val = *(unsigned short *)dest;
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val = *(unsigned short *)dest;
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val = *(unsigned short *)dest;
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/* Terminate programming with 4 C clocks */
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dest = daddr;
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val = *(unsigned short *) dest;
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val = *(unsigned short *) dest;
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val = *(unsigned short *) dest;
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val = *(unsigned short *) dest;
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}
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int
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fpgaDownload(unsigned char *saddr,
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unsigned long size,
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unsigned short *daddr)
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fpgaDownload(unsigned char *saddr, unsigned long size, unsigned short *daddr)
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{
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int i; /* index, intr disable flag */
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int start; /* timer */
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unsigned long greg, grego; /* GPIO & output register */
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unsigned long length; /* image size in words */
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unsigned long *source; /* image source addr */
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unsigned short *dest; /* destination FPGA addr */
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volatile unsigned short *ndest; /* temp dest FPGA addr */
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volatile unsigned short val; /* temp val */
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unsigned long cnfg = GPIO_XCV_CNFG; /* FPGA CNFG */
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unsigned long eirq = GPIO_XCV_IRQ;
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int retval = -1; /* Function return value */
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int i; /* index, intr disable flag */
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int start; /* timer */
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unsigned long greg, grego; /* GPIO & output register */
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unsigned long length; /* image size in words */
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unsigned long *source; /* image source addr */
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unsigned short *dest; /* destination FPGA addr */
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volatile unsigned short *ndest; /* temp dest FPGA addr */
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volatile unsigned short val; /* temp val */
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unsigned long cnfg = GPIO_XCV_CNFG; /* FPGA CNFG */
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unsigned long eirq = GPIO_XCV_IRQ;
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int retval = -1; /* Function return value */
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/* Setup some basic values */
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length = (size / 4) + 1; /* size in words, rounding UP
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is OK */
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source = (unsigned long *)saddr;
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dest = (unsigned short *)daddr;
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/* Setup some basic values */
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length = (size / 4) + 1; /* size in words, rounding UP
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is OK */
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source = (unsigned long *) saddr;
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dest = (unsigned short *) daddr;
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/* Get DCR output register */
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grego = in32(PPC405GP_GPIO0_OR);
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/* Get DCR output register */
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grego = in32(PPC405GP_GPIO0_OR);
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/* Reset FPGA */
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grego &= ~GPIO_XCV_PROG; /* PROG line low */
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out32(PPC405GP_GPIO0_OR, grego);
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/* Setup timeout timer */
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start = get_timer(0);
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/* Wait for FPGA init line */
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while(in32(PPC405GP_GPIO0_IR) & GPIO_XCV_INIT) { /* Wait INIT line low */
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/* Check for timeout - 100us max, so use 3ms */
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if (get_timer(start) > 3) {
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printf(" failed to start init.\n");
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log_warn(ERR_XINIT0); /* Don't halt */
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/* Reset line stays low */
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goto done; /* I like gotos... */
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}
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}
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/* Unreset FPGA */
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grego |= GPIO_XCV_PROG; /* PROG line high */
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out32(PPC405GP_GPIO0_OR, grego);
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/* Wait for FPGA end of init period . */
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while(!(in32(PPC405GP_GPIO0_IR) & GPIO_XCV_INIT)) { /* Wait for INIT hi */
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/* Check for timeout */
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if (get_timer(start) > 3) {
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printf(" failed to exit init.\n");
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log_warn(ERR_XINIT1);
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/* Reset FPGA */
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grego &= ~GPIO_XCV_PROG; /* PROG line low */
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out32(PPC405GP_GPIO0_OR, grego);
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goto done;
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}
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}
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/* Now program FPGA ... */
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ndest = dest;
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for (i = 0; i < CONFIG_NUM_FPGAS; i++) {
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/* Toggle IRQ/GPIO */
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greg = mfdcr(CPC0_CR0); /* get chip ctrl register */
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greg |= eirq; /* toggle irq/gpio */
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mtdcr(CPC0_CR0, greg); /* ... just do it */
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/* turn on open drain for CNFG */
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greg = in32(PPC405GP_GPIO0_ODR); /* get open drain register */
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greg |= cnfg; /* CNFG open drain */
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out32(PPC405GP_GPIO0_ODR, greg); /* .. just do it */
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/* Turn output enable on for CNFG */
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greg = in32(PPC405GP_GPIO0_TCR); /* get tristate register */
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greg |= cnfg; /* CNFG tristate inactive */
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out32(PPC405GP_GPIO0_TCR, greg); /* ... just do it */
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/* Setup FPGA for programming */
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grego &= ~cnfg; /* CONFIG line low */
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/* Reset FPGA */
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grego &= ~GPIO_XCV_PROG; /* PROG line low */
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out32(PPC405GP_GPIO0_OR, grego);
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/*
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* Program the FPGA
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*/
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printf("\n destination: 0x%lx ", (unsigned long)ndest);
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/* Setup timeout timer */
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start = get_timer(0);
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fpga_img_write(source, length, (unsigned short *)ndest);
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/* Wait for FPGA init line to go low */
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while (in32(PPC405GP_GPIO0_IR) & GPIO_XCV_INIT) {
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/* Check for timeout - 100us max, so use 3ms */
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if (get_timer(start) > 3) {
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printf(" failed to start init.\n");
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log_warn(ERR_XINIT0); /* Don't halt */
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/* Done programming */
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grego |= cnfg; /* CONFIG line high */
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/* Reset line stays low */
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goto done; /* I like gotos... */
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}
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}
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/* Unreset FPGA */
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grego |= GPIO_XCV_PROG; /* PROG line high */
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out32(PPC405GP_GPIO0_OR, grego);
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/* Turn output enable OFF for CNFG */
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greg = in32(PPC405GP_GPIO0_TCR); /* get tristate register */
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greg &= ~cnfg; /* CNFG tristate inactive */
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out32(PPC405GP_GPIO0_TCR, greg); /* ... just do it */
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/* Wait for FPGA end of init period = init line go hi */
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while (!(in32(PPC405GP_GPIO0_IR) & GPIO_XCV_INIT)) {
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/* Toggle IRQ/GPIO */
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greg = mfdcr(CPC0_CR0); /* get chip ctrl register */
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greg &= ~eirq; /* toggle irq/gpio */
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mtdcr(CPC0_CR0, greg); /* ... just do it */
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/* Check for timeout */
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if (get_timer(start) > 3) {
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printf(" failed to exit init.\n");
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log_warn(ERR_XINIT1);
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ndest = (unsigned short *)((char *)ndest + 0x00100000L); /* XXX - Next FPGA addr */
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cnfg >>= 1; /* XXX - Next */
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eirq >>= 1;
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}
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/* Reset FPGA */
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grego &= ~GPIO_XCV_PROG; /* PROG line low */
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out32(PPC405GP_GPIO0_OR, grego);
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/* Terminate programming with 4 C clocks */
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ndest = dest;
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for (i = 0; i < CONFIG_NUM_FPGAS; i++) {
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val = *ndest;
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val = *ndest;
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val = *ndest;
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val = *ndest;
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ndest = (unsigned short *)((char *)ndest + 0x00100000L);
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}
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/* Setup timer */
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start = get_timer(0);
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/* Wait for FPGA end of programming period . */
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while(!(in32(PPC405GP_GPIO0_IR) & GPIO_XCV_DONE)) { /* Test DONE low */
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/* Check for timeout */
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if (get_timer(start) > 3) {
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printf(" done failed to come high.\n");
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log_warn(ERR_XDONE1);
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/* Reset FPGA */
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grego &= ~GPIO_XCV_PROG; /* PROG line low */
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out32(PPC405GP_GPIO0_OR, grego);
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goto done;
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goto done;
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}
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}
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}
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printf("\n FPGA load succeeded\n");
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retval = 0; /* Program OK */
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/* Now program FPGA ... */
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ndest = dest;
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for (i = 0; i < CONFIG_NUM_FPGAS; i++) {
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/* Toggle IRQ/GPIO */
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greg = mfdcr(CPC0_CR0); /* get chip ctrl register */
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greg |= eirq; /* toggle irq/gpio */
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mtdcr(CPC0_CR0, greg); /* ... just do it */
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/* turn on open drain for CNFG */
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greg = in32(PPC405GP_GPIO0_ODR); /* get open drain register */
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greg |= cnfg; /* CNFG open drain */
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out32(PPC405GP_GPIO0_ODR, greg); /* .. just do it */
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/* Turn output enable on for CNFG */
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greg = in32(PPC405GP_GPIO0_TCR); /* get tristate register */
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greg |= cnfg; /* CNFG tristate inactive */
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out32(PPC405GP_GPIO0_TCR, greg); /* ... just do it */
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/* Setup FPGA for programming */
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grego &= ~cnfg; /* CONFIG line low */
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out32(PPC405GP_GPIO0_OR, grego);
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/*
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* Program the FPGA
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*/
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printf("\n destination: 0x%lx ", (unsigned long) ndest);
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fpga_img_write(source, length, (unsigned short *) ndest);
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/* Done programming */
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grego |= cnfg; /* CONFIG line high */
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out32(PPC405GP_GPIO0_OR, grego);
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/* Turn output enable OFF for CNFG */
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greg = in32(PPC405GP_GPIO0_TCR); /* get tristate register */
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greg &= ~cnfg; /* CNFG tristate inactive */
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out32(PPC405GP_GPIO0_TCR, greg); /* ... just do it */
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/* Toggle IRQ/GPIO */
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greg = mfdcr(CPC0_CR0); /* get chip ctrl register */
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greg &= ~eirq; /* toggle irq/gpio */
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mtdcr(CPC0_CR0, greg); /* ... just do it */
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/* XXX - Next FPGA addr */
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ndest = (unsigned short *) ((char *) ndest + 0x00100000L);
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cnfg >>= 1; /* XXX - Next */
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eirq >>= 1;
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}
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/* Terminate programming with 4 C clocks */
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ndest = dest;
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for (i = 0; i < CONFIG_NUM_FPGAS; i++) {
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val = *ndest;
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val = *ndest;
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val = *ndest;
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val = *ndest;
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ndest = (unsigned short *) ((char *) ndest + 0x00100000L);
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}
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/* Setup timer */
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start = get_timer(0);
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/* Wait for FPGA end of programming period = Test DONE low */
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while (!(in32(PPC405GP_GPIO0_IR) & GPIO_XCV_DONE)) {
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/* Check for timeout */
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if (get_timer(start) > 3) {
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printf(" done failed to come high.\n");
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log_warn(ERR_XDONE1);
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/* Reset FPGA */
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grego &= ~GPIO_XCV_PROG; /* PROG line low */
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out32(PPC405GP_GPIO0_OR, grego);
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goto done;
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}
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}
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printf("\n FPGA load succeeded\n");
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retval = 0; /* Program OK */
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done:
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return retval;
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return retval;
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}
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/* FPGA image is stored in flash */
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extern flash_info_t flash_info[];
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extern flash_info_t flash_info[];
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int init_fpga(void)
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{
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unsigned int i,j,ptr; /* General purpose */
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unsigned char bufchar; /* General purpose character */
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unsigned char *buf; /* Start of image pointer */
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unsigned long len; /* Length of image */
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unsigned char *fn_buf; /* Start of filename string */
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unsigned int fn_len; /* Length of filename string */
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unsigned char *xcv_buf; /* Pointer to start of image */
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unsigned long xcv_len; /* Length of image */
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unsigned long crc; /* 30bit crc in image */
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unsigned long calc_crc; /* Calc'd 30bit crc */
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int retval = -1;
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unsigned int i, j, ptr; /* General purpose */
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unsigned char bufchar; /* General purpose character */
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unsigned char *buf; /* Start of image pointer */
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unsigned long len; /* Length of image */
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unsigned char *fn_buf; /* Start of filename string */
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unsigned int fn_len; /* Length of filename string */
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unsigned char *xcv_buf; /* Pointer to start of image */
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unsigned long xcv_len; /* Length of image */
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unsigned long crc; /* 30bit crc in image */
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unsigned long calc_crc; /* Calc'd 30bit crc */
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int retval = -1;
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/* Tell the world what we are doing */
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printf("FPGA: ");
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/* Tell the world what we are doing */
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printf("FPGA: ");
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/*
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* Get address of first sector where the FPGA
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* image is stored.
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*/
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buf = (unsigned char *)flash_info[1].start[0];
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/*
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* Get address of first sector where the FPGA
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* image is stored.
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*/
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buf = (unsigned char *) flash_info[1].start[0];
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/*
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* Get the stored image's CRC & length.
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*/
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crc = *(unsigned long *)(buf+4); /* CRC is first long word */
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len = *(unsigned long *)(buf+8); /* Image len is next long */
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/*
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* Get the stored image's CRC & length.
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*/
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crc = *(unsigned long *) (buf + 4); /* CRC is first long word */
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len = *(unsigned long *) (buf + 8); /* Image len is next long */
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/* Pedantic */
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if ((len < 0x133A4) || (len > 0x80000))
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goto bad_image;
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/* Pedantic */
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if ((len < 0x133A4) || (len > 0x80000))
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goto bad_image;
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/*
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* Get the file name pointer and length.
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*/
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fn_len = (*(unsigned short *)(buf+12) & 0xff); /* filename length
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is next short */
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fn_buf = buf + 14;
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/*
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* Get the file name pointer and length.
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* filename length is next short
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*/
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fn_len = (*(unsigned short *) (buf + 12) & 0xff);
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fn_buf = buf + 14;
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/*
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* Get the FPGA image pointer and length length.
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*/
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xcv_buf = fn_buf + fn_len; /* pointer to fpga image */
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xcv_len = len - 14 - fn_len; /* fpga image length */
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/*
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* Get the FPGA image pointer and length length.
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*/
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xcv_buf = fn_buf + fn_len; /* pointer to fpga image */
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xcv_len = len - 14 - fn_len; /* fpga image length */
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/* Check for uninitialized FLASH */
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if ((strncmp((char *)buf, "w7o", 3)!=0) || (len > 0x0007ffffL) || (len == 0))
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goto bad_image;
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/* Check for uninitialized FLASH */
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if ((strncmp((char *) buf, "w7o", 3) != 0) || (len > 0x0007ffffL)
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|| (len == 0))
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goto bad_image;
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/*
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* Calculate and Check the image's CRC.
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*/
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calc_crc = crc32(0, xcv_buf, xcv_len);
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if (crc != calc_crc) {
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printf("\nfailed - bad CRC\n");
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goto done;
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}
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/*
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* Calculate and Check the image's CRC.
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*/
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calc_crc = crc32(0, xcv_buf, xcv_len);
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if (crc != calc_crc) {
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printf("\nfailed - bad CRC\n");
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goto done;
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}
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/* Output the file name */
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printf("file name : ");
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for (i=0;i<fn_len;i++) {
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bufchar = fn_buf[+i];
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if (bufchar<' ' || bufchar>'~') bufchar = '.';
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putc(bufchar);
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}
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/* Output the file name */
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printf("file name : ");
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for (i = 0; i < fn_len; i++) {
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bufchar = fn_buf[+i];
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if (bufchar < ' ' || bufchar > '~')
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bufchar = '.';
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putc(bufchar);
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}
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/*
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* find rest of display data
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*/
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ptr = 15; /* Offset to ncd filename
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length in fpga image */
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j = xcv_buf[ptr]; /* Get len of ncd filename */
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if (j > 32) goto bad_image;
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ptr = ptr + j + 3; /* skip ncd filename string +
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||||
3 bytes more bytes */
|
||||
/*
|
||||
* find rest of display data
|
||||
*/
|
||||
ptr = 15; /* Offset to ncd filename
|
||||
length in fpga image */
|
||||
j = xcv_buf[ptr]; /* Get len of ncd filename */
|
||||
if (j > 32)
|
||||
goto bad_image;
|
||||
ptr = ptr + j + 3; /* skip ncd filename string +
|
||||
3 bytes more bytes */
|
||||
|
||||
/*
|
||||
* output target device string
|
||||
*/
|
||||
j = xcv_buf[ptr++] - 1; /* len of targ str less term */
|
||||
if (j > 32) goto bad_image;
|
||||
printf("\n target : ");
|
||||
for (i = 0; i < j; i++) {
|
||||
bufchar = (xcv_buf[ptr++]);
|
||||
if (bufchar<' ' || bufchar>'~') bufchar = '.';
|
||||
putc(bufchar);
|
||||
}
|
||||
/*
|
||||
* output target device string
|
||||
*/
|
||||
j = xcv_buf[ptr++] - 1; /* len of targ str less term */
|
||||
if (j > 32)
|
||||
goto bad_image;
|
||||
printf("\n target : ");
|
||||
for (i = 0; i < j; i++) {
|
||||
bufchar = (xcv_buf[ptr++]);
|
||||
if (bufchar < ' ' || bufchar > '~')
|
||||
bufchar = '.';
|
||||
putc(bufchar);
|
||||
}
|
||||
|
||||
/*
|
||||
* output compilation date string and time string
|
||||
*/
|
||||
ptr += 3; /* skip 2 bytes */
|
||||
printf("\n synth time : ");
|
||||
j = (xcv_buf[ptr++] - 1); /* len of date str less term */
|
||||
if (j > 32) goto bad_image;
|
||||
for (i = 0; i < j; i++) {
|
||||
bufchar = (xcv_buf[ptr++]);
|
||||
if (bufchar<' ' || bufchar>'~') bufchar = '.';
|
||||
putc(bufchar);
|
||||
}
|
||||
/*
|
||||
* output compilation date string and time string
|
||||
*/
|
||||
ptr += 3; /* skip 2 bytes */
|
||||
printf("\n synth time : ");
|
||||
j = (xcv_buf[ptr++] - 1); /* len of date str less term */
|
||||
if (j > 32)
|
||||
goto bad_image;
|
||||
for (i = 0; i < j; i++) {
|
||||
bufchar = (xcv_buf[ptr++]);
|
||||
if (bufchar < ' ' || bufchar > '~')
|
||||
bufchar = '.';
|
||||
putc(bufchar);
|
||||
}
|
||||
|
||||
ptr += 3; /* Skip 2 bytes */
|
||||
printf(" - ");
|
||||
j = (xcv_buf[ptr++] - 1); /* slen = targ dev str len */
|
||||
if (j > 32) goto bad_image;
|
||||
for (i = 0; i < j; i++) {
|
||||
bufchar = (xcv_buf[ptr++]);
|
||||
if (bufchar<' ' || bufchar>'~') bufchar = '.';
|
||||
putc(bufchar);
|
||||
}
|
||||
ptr += 3; /* Skip 2 bytes */
|
||||
printf(" - ");
|
||||
j = (xcv_buf[ptr++] - 1); /* slen = targ dev str len */
|
||||
if (j > 32)
|
||||
goto bad_image;
|
||||
for (i = 0; i < j; i++) {
|
||||
bufchar = (xcv_buf[ptr++]);
|
||||
if (bufchar < ' ' || bufchar > '~')
|
||||
bufchar = '.';
|
||||
putc(bufchar);
|
||||
}
|
||||
|
||||
/*
|
||||
* output crc and length strings
|
||||
*/
|
||||
printf("\n len & crc : 0x%lx 0x%lx", len, crc);
|
||||
/*
|
||||
* output crc and length strings
|
||||
*/
|
||||
printf("\n len & crc : 0x%lx 0x%lx", len, crc);
|
||||
|
||||
/*
|
||||
* Program the FPGA.
|
||||
*/
|
||||
retval = fpgaDownload((unsigned char*)xcv_buf, xcv_len,
|
||||
(unsigned short *)0xfd000000L);
|
||||
return retval;
|
||||
/*
|
||||
* Program the FPGA.
|
||||
*/
|
||||
retval = fpgaDownload((unsigned char *) xcv_buf, xcv_len,
|
||||
(unsigned short *) 0xfd000000L);
|
||||
return retval;
|
||||
|
||||
bad_image:
|
||||
printf("\n BAD FPGA image format @ %lx\n", flash_info[1].start[0]);
|
||||
log_warn(ERR_XIMAGE);
|
||||
printf("\n BAD FPGA image format @ %lx\n",
|
||||
flash_info[1].start[0]);
|
||||
log_warn(ERR_XIMAGE);
|
||||
done:
|
||||
return retval;
|
||||
return retval;
|
||||
}
|
||||
|
||||
void test_fpga(unsigned short *daddr)
|
||||
{
|
||||
int i;
|
||||
volatile unsigned short *ndest = daddr;
|
||||
int i;
|
||||
volatile unsigned short *ndest = daddr;
|
||||
|
||||
for (i = 0; i < CONFIG_NUM_FPGAS; i++) {
|
||||
for (i = 0; i < CONFIG_NUM_FPGAS; i++) {
|
||||
#if defined(CONFIG_W7OLMG)
|
||||
ndest[0x7e] = 0x55aa;
|
||||
if (ndest[0x7e] != 0x55aa)
|
||||
log_warn(ERR_XRW1 + i);
|
||||
ndest[0x7e] = 0xaa55;
|
||||
if (ndest[0x7e] != 0xaa55)
|
||||
log_warn(ERR_XRW1 + i);
|
||||
ndest[0x7e] = 0xc318;
|
||||
if (ndest[0x7e] != 0xc318)
|
||||
log_warn(ERR_XRW1 + i);
|
||||
ndest[0x7e] = 0x55aa;
|
||||
if (ndest[0x7e] != 0x55aa)
|
||||
log_warn(ERR_XRW1 + i);
|
||||
ndest[0x7e] = 0xaa55;
|
||||
if (ndest[0x7e] != 0xaa55)
|
||||
log_warn(ERR_XRW1 + i);
|
||||
ndest[0x7e] = 0xc318;
|
||||
if (ndest[0x7e] != 0xc318)
|
||||
log_warn(ERR_XRW1 + i);
|
||||
|
||||
#elif defined(CONFIG_W7OLMC)
|
||||
ndest[0x800] = 0x55aa;
|
||||
ndest[0x801] = 0xaa55;
|
||||
ndest[0x802] = 0xc318;
|
||||
ndest[0x4800] = 0x55aa;
|
||||
ndest[0x4801] = 0xaa55;
|
||||
ndest[0x4802] = 0xc318;
|
||||
if ((ndest[0x800] != 0x55aa) ||
|
||||
(ndest[0x801] != 0xaa55) ||
|
||||
(ndest[0x802] != 0xc318))
|
||||
log_warn(ERR_XRW1 + (2 * i)); /* Auto gen error code */
|
||||
if ((ndest[0x4800] != 0x55aa) ||
|
||||
(ndest[0x4801] != 0xaa55) ||
|
||||
(ndest[0x4802] != 0xc318))
|
||||
log_warn(ERR_XRW2 + (2 * i)); /* Auto gen error code */
|
||||
ndest[0x800] = 0x55aa;
|
||||
ndest[0x801] = 0xaa55;
|
||||
ndest[0x802] = 0xc318;
|
||||
ndest[0x4800] = 0x55aa;
|
||||
ndest[0x4801] = 0xaa55;
|
||||
ndest[0x4802] = 0xc318;
|
||||
if ((ndest[0x800] != 0x55aa) ||
|
||||
(ndest[0x801] != 0xaa55) || (ndest[0x802] != 0xc318))
|
||||
log_warn(ERR_XRW1 + (2 * i)); /* Auto gen error code */
|
||||
if ((ndest[0x4800] != 0x55aa) ||
|
||||
(ndest[0x4801] != 0xaa55) || (ndest[0x4802] != 0xc318))
|
||||
log_warn(ERR_XRW2 + (2 * i)); /* Auto gen error code */
|
||||
|
||||
#else
|
||||
# error "Unknown W7O board configuration"
|
||||
#error "Unknown W7O board configuration"
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
printf(" FPGA ready\n");
|
||||
return;
|
||||
printf(" FPGA ready\n");
|
||||
return;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue