diff options
| author | Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com> | 2019-05-09 22:11:56 +0200 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2019-05-10 22:48:11 +0200 |
| commit | 46b633d7b4ed7a3053093ba901559f61d0ed92c6 (patch) | |
| tree | 712d680447ca193447747ee4ee019d85c54dc3b2 /drivers | |
| parent | 460a97f3a2d4308b804f833b1a0beb0cf92c925e (diff) | |
spi: cadence_qspi: convert to livetree
Convert 'cadence_spi_ofdata_to_platdata' to use dev_read_* functions to
read driver parameters and 'dev_read_first_subnode'/'ofnode_read_*' to
read flash (child node) parameters.
Tested on socfpga_socrates (socfpga gen5).
Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/spi/cadence_qspi.c | 39 |
1 files changed, 19 insertions, 20 deletions
diff --git a/drivers/spi/cadence_qspi.c b/drivers/spi/cadence_qspi.c index 41c87004d8..e2e54cd277 100644 --- a/drivers/spi/cadence_qspi.c +++ b/drivers/spi/cadence_qspi.c @@ -18,8 +18,6 @@ #define CQSPI_INDIRECT_READ 2 #define CQSPI_INDIRECT_WRITE 3 -DECLARE_GLOBAL_DATA_PTR; - static int cadence_spi_write_speed(struct udevice *bus, uint hz) { struct cadence_spi_platdata *plat = bus->platdata; @@ -295,36 +293,37 @@ static int cadence_spi_xfer(struct udevice *dev, unsigned int bitlen, static int cadence_spi_ofdata_to_platdata(struct udevice *bus) { struct cadence_spi_platdata *plat = bus->platdata; - const void *blob = gd->fdt_blob; - int node = dev_of_offset(bus); - int subnode; + ofnode subnode; plat->regbase = (void *)devfdt_get_addr_index(bus, 0); plat->ahbbase = (void *)devfdt_get_addr_index(bus, 1); - plat->is_decoded_cs = fdtdec_get_bool(blob, node, "cdns,is-decoded-cs"); - plat->fifo_depth = fdtdec_get_uint(blob, node, "cdns,fifo-depth", 128); - plat->fifo_width = fdtdec_get_uint(blob, node, "cdns,fifo-width", 4); - plat->trigger_address = fdtdec_get_uint(blob, node, - "cdns,trigger-address", 0); + plat->is_decoded_cs = dev_read_bool(bus, "cdns,is-decoded-cs"); + plat->fifo_depth = dev_read_u32_default(bus, "cdns,fifo-depth", 128); + plat->fifo_width = dev_read_u32_default(bus, "cdns,fifo-width", 4); + plat->trigger_address = dev_read_u32_default(bus, + "cdns,trigger-address", + 0); /* All other paramters are embedded in the child node */ - subnode = fdt_first_subnode(blob, node); - if (subnode < 0) { + subnode = dev_read_first_subnode(bus); + if (!ofnode_valid(subnode)) { printf("Error: subnode with SPI flash config missing!\n"); return -ENODEV; } /* Use 500 KHz as a suitable default */ - plat->max_hz = fdtdec_get_uint(blob, subnode, "spi-max-frequency", - 500000); + plat->max_hz = ofnode_read_u32_default(subnode, "spi-max-frequency", + 500000); /* Read other parameters from DT */ - plat->page_size = fdtdec_get_uint(blob, subnode, "page-size", 256); - plat->block_size = fdtdec_get_uint(blob, subnode, "block-size", 16); - plat->tshsl_ns = fdtdec_get_uint(blob, subnode, "cdns,tshsl-ns", 200); - plat->tsd2d_ns = fdtdec_get_uint(blob, subnode, "cdns,tsd2d-ns", 255); - plat->tchsh_ns = fdtdec_get_uint(blob, subnode, "cdns,tchsh-ns", 20); - plat->tslch_ns = fdtdec_get_uint(blob, subnode, "cdns,tslch-ns", 20); + plat->page_size = ofnode_read_u32_default(subnode, "page-size", 256); + plat->block_size = ofnode_read_u32_default(subnode, "block-size", 16); + plat->tshsl_ns = ofnode_read_u32_default(subnode, "cdns,tshsl-ns", + 200); + plat->tsd2d_ns = ofnode_read_u32_default(subnode, "cdns,tsd2d-ns", + 255); + plat->tchsh_ns = ofnode_read_u32_default(subnode, "cdns,tchsh-ns", 20); + plat->tslch_ns = ofnode_read_u32_default(subnode, "cdns,tslch-ns", 20); debug("%s: regbase=%p ahbbase=%p max-frequency=%d page-size=%d\n", __func__, plat->regbase, plat->ahbbase, plat->max_hz, |