github.com/rdolbeau.SBusFPGA
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SDRAM driver now complete enough to sunlabel/newfs

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This commit is contained in:
Romain Dolbeau
2021-07-24 11:53:05 -04:00
parent ef215942c0
commit acda04f456
1 changed files with 32 additions and 6 deletions
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38
NetBSD/9.0/usr/src/sys/dev/sbus/sbusfpga_sdram.c
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@@ -65,6 +65,8 @@ CFATTACH_DECL_NEW(sbusfpga_sdram, sizeof(struct sbusfpga_sdram_softc),
dev_type_open(sbusfpga_sdram_open);
dev_type_close(sbusfpga_sdram_close);
dev_type_read(sbusfpga_sdram_read);
dev_type_write(sbusfpga_sdram_write);
dev_type_ioctl(sbusfpga_sdram_ioctl);
dev_type_strategy(sbusfpga_sdram_strategy);
dev_type_size(sbusfpga_sdram_size);
@@ -83,8 +85,8 @@ const struct bdevsw sbusfpga_sdram_bdevsw = {
const struct cdevsw sbusfpga_sdram_cdevsw = {
.d_open = sbusfpga_sdram_open,
.d_close = sbusfpga_sdram_close,
.d_read = noread,
.d_write = nowrite,
.d_read = sbusfpga_sdram_read,
.d_write = sbusfpga_sdram_write,
.d_ioctl = sbusfpga_sdram_ioctl,
.d_stop = nostop,
.d_tty = notty,
@@ -120,7 +122,8 @@ sbusfpga_sdram_ioctl (dev_t dev, u_long cmd, void *data, int flag, struct lwp *l
aprint_error("%s:%d: sc == NULL! giving up\n", __PRETTY_FUNCTION__, __LINE__);
return (ENXIO);
}
#if 0
switch (cmd) {
/* case VNDIOCCLR: */
/* case VNDIOCCLR50: */
@@ -152,6 +155,13 @@ sbusfpga_sdram_ioctl (dev_t dev, u_long cmd, void *data, int flag, struct lwp *l
err = EINVAL;
break;
}
#else
err2 = dk_ioctl(&sc->dk, dev, cmd, data, flag, l);
if (err2 != EPASSTHROUGH)
err = err2;
else
err = ENOTTY;
#endif
return(err);
}
@@ -195,6 +205,18 @@ sbusfpga_sdram_close(dev_t dev, int flag, int fmt, struct lwp *l)
return dk_close(dksc, dev, flag, fmt, l);
}
int
sbusfpga_sdram_read(dev_t dev, struct uio *uio, int flags)
{
return physio(sbusfpga_sdram_strategy, NULL, dev, B_READ, sbusfpga_sdram_minphys, uio);
}
int
sbusfpga_sdram_write(dev_t dev, struct uio *uio, int flags)
{
return physio(sbusfpga_sdram_strategy, NULL, dev, B_WRITE, sbusfpga_sdram_minphys, uio);
}
int
sbusfpga_sdram_match(device_t parent, cfdata_t cf, void *aux)
{
@@ -342,7 +364,7 @@ sbusfpga_sdram_attach(device_t parent, device_t self, void *aux)
sbusfpga_sdram_set_geometry(sc);
bufq_alloc(&sc->dk.sc_bufq, BUFQ_DISK_DEFAULT_STRAT, BUFQ_SORT_RAWBLOCK); /* needed ? */
{
if (0) {
struct disklabel *lp = sc->dk.sc_dkdev.dk_label;
struct cpu_disklabel *clp = sc->dk.sc_dkdev.dk_cpulabel;
memset(lp, 0, sizeof(struct disklabel));
@@ -420,8 +442,8 @@ sbusfpga_sdram_size(dev_t dev) {
static void
sbusfpga_sdram_minphys(struct buf *bp)
{
if (bp->b_bcount > (SBUSFPGA_SDRAM_VAL_DMA_MAX_SZ/512))
bp->b_bcount = (SBUSFPGA_SDRAM_VAL_DMA_MAX_SZ/512);
if (bp->b_bcount > SBUSFPGA_SDRAM_VAL_DMA_MAX_SZ)
bp->b_bcount = SBUSFPGA_SDRAM_VAL_DMA_MAX_SZ;
}
@@ -498,6 +520,7 @@ sbusfpga_sdram_diskstart(device_t self, struct buf *bp)
} else {
aprint_error("%s:%d: blk = %lld read out of range! giving up\n", __PRETTY_FUNCTION__, __LINE__, blk);
err = EINVAL;
break;
}
blk += blkcnt;
data += 512 * blkcnt;
@@ -534,6 +557,7 @@ sbusfpga_sdram_diskstart(device_t self, struct buf *bp)
} else {
aprint_error("%s:%d: blk = %lld write out of range! giving up\n", __PRETTY_FUNCTION__, __LINE__, blk);
err = EINVAL;
break;
}
blk += blkcnt;
data += 512 * blkcnt;
@@ -553,6 +577,7 @@ sbusfpga_sdram_diskstart(device_t self, struct buf *bp)
#define CONFIG_CSR_DATA_WIDTH 32
// define CSR_LEDS_BASE & others to avoid defining the CSRs of HW we don't handle
#define CSR_LEDS_BASE
#define CSR_CURVE25519ENGINE_BASE
//#define CSR_DDRPHY_BASE
//#define CSR_SDRAM_BASE
//#define CSR_EXCHANGE_WITH_MEM_BASE
@@ -569,6 +594,7 @@ sbusfpga_sdram_diskstart(device_t self, struct buf *bp)
#include "dev/sbus/litex_csr.h"
#undef CSR_LEDS_BASE
#undef CSR_CURVE25519ENGINE_BASE
//#undef CSR_DDRPHY_BASE
//#undef CSR_SDRAM_BASE
//#undef CSR_EXCHANGE_WITH_MEM_BASE