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authorFurquan Shaikh <furquan@chromium.org>2017-05-18 14:40:58 -0700
committerFurquan Shaikh <furquan@google.com>2017-05-24 04:39:52 +0200
commite424a597292f6fbf094042bc44e5ccdc957925f8 (patch)
tree9c6c49e9f946eb019355efdcbec4b4179b8a4c1b /src/soc/qualcomm/ipq40xx
parent56c88ebc02fb2f9b560afd3d78de99efd2122c8f (diff)
downloadcoreboot-e424a597292f6fbf094042bc44e5ccdc957925f8.tar.xz
soc/qualcomm/ipq*: Move spi driver to use spi_bus_map
This is in preparation to get rid of the strong spi_setup_slave implemented by different platforms. BUG=b:38430839 Change-Id: I6cc8c339e008e16449fa143c1d21e23534bdaf0b Signed-off-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: https://review.coreboot.org/19776 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/soc/qualcomm/ipq40xx')
-rw-r--r--src/soc/qualcomm/ipq40xx/spi.c36
1 files changed, 24 insertions, 12 deletions
diff --git a/src/soc/qualcomm/ipq40xx/spi.c b/src/soc/qualcomm/ipq40xx/spi.c
index b5c1f6699a..157903cf50 100644
--- a/src/soc/qualcomm/ipq40xx/spi.c
+++ b/src/soc/qualcomm/ipq40xx/spi.c
@@ -647,18 +647,12 @@ out:
return ret;
}
-static const struct spi_ctrlr spi_ctrlr = {
- .claim_bus = spi_ctrlr_claim_bus,
- .release_bus = spi_ctrlr_release_bus,
- .xfer = spi_ctrlr_xfer,
- .xfer_vector = spi_xfer_two_vectors,
- .max_xfer_size = MAX_PACKET_COUNT,
-};
-
-int spi_setup_slave(unsigned int bus, unsigned int cs, struct spi_slave *slave)
+static int spi_ctrlr_setup(const struct spi_slave *slave)
{
struct ipq_spi_slave *ds = NULL;
int i;
+ unsigned int bus = slave->bus;
+ unsigned int cs = slave->cs;
if ((bus < BLSP0_SPI) || (bus > BLSP1_SPI)
|| ((bus == BLSP0_SPI) && (cs > 2))
@@ -674,9 +668,8 @@ int spi_setup_slave(unsigned int bus, unsigned int cs, struct spi_slave *slave)
continue;
ds = spi_slave_pool + i;
- ds->slave.bus = slave->bus = bus;
- ds->slave.cs = slave->cs = cs;
- slave->ctrlr = &spi_ctrlr;
+ ds->slave.bus = bus;
+ ds->slave.cs = cs;
ds->regs = &spi_reg[bus];
/*
@@ -694,3 +687,22 @@ int spi_setup_slave(unsigned int bus, unsigned int cs, struct spi_slave *slave)
printk(BIOS_ERR, "SPI error: all %d pools busy\n", i);
return -1;
}
+
+static const struct spi_ctrlr spi_ctrlr = {
+ .setup = spi_ctrlr_setup,
+ .claim_bus = spi_ctrlr_claim_bus,
+ .release_bus = spi_ctrlr_release_bus,
+ .xfer = spi_ctrlr_xfer,
+ .xfer_vector = spi_xfer_two_vectors,
+ .max_xfer_size = MAX_PACKET_COUNT,
+};
+
+const struct spi_ctrlr_buses spi_ctrlr_bus_map[] = {
+ {
+ .ctrlr = &spi_ctrlr,
+ .bus_start = BLSP0_SPI,
+ .bus_end = BLSP1_SPI,
+ },
+};
+
+const size_t spi_ctrlr_bus_map_count = ARRAY_SIZE(spi_ctrlr_bus_map);