Change in flashrom[master]: mcp6x_spi.c: Implement `set_sck_set_mosi` and `set_sck_get_miso`

[Angel Pons (Code Review)]

Angel Pons has uploaded this change for review. ( https://review.coreboot.org/c/flashrom/+/49266 )

Change subject: mcp6x_spi.c: Implement `set_sck_set_mosi` and `set_sck_get_miso`
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mcp6x_spi.c: Implement `set_sck_set_mosi` and `set_sck_get_miso`

Change-Id: Ie86cc9d4df6c7f0609c30ff00d6f2d77fbb8b836
Signed-off-by: Angel Pons 
---
M mcp6x_spi.c
1 file changed, 20 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/66/49266/1

diff --git a/mcp6x_spi.c b/mcp6x_spi.c
index b53d07b..4f82095 100644
--- a/mcp6x_spi.c
+++ b/mcp6x_spi.c
@@ -87,11 +87,31 @@
    return (mcp_gpiostate >> MCP6X_SPI_MISO) & 0x1;
 }

+static void mcp6x_bitbang_set_sck_set_mosi(int sck, int mosi)
+{
+	mcp_gpiostate &= ~(1 << MCP6X_SPI_SCK);
+	mcp_gpiostate &= ~(1 << MCP6X_SPI_MOSI);
+	mcp_gpiostate |= (sck  << MCP6X_SPI_SCK);
+	mcp_gpiostate |= (mosi << MCP6X_SPI_MOSI);
+	mmio_writeb(mcp_gpiostate, mcp6x_spibar + 0x530);
+}
+
+static int mcp6x_bitbang_set_sck_get_miso(int sck)
+{
+	mcp_gpiostate = mmio_readb(mcp6x_spibar + 0x530);
+	mcp_gpiostate &= ~(1 << MCP6X_SPI_SCK);
+	mcp_gpiostate |= (sck << MCP6X_SPI_SCK);
+	mmio_writeb(mcp_gpiostate, mcp6x_spibar + 0x530);
+	return (mcp_gpiostate >> MCP6X_SPI_MISO) & 0x1;
+}
+
 static const struct bitbang_spi_master bitbang_spi_master_mcp6x = {
    .set_cs = mcp6x_bitbang_set_cs,
    .set_sck = mcp6x_bitbang_set_sck,
    .set_mosi = mcp6x_bitbang_set_mosi,
    .get_miso = mcp6x_bitbang_get_miso,
+	.set_sck_set_mosi = mcp6x_bitbang_set_sck_set_mosi,
+	.set_sck_get_miso = mcp6x_bitbang_set_sck_get_miso,
    .request_bus = mcp6x_request_spibus,
    .release_bus = mcp6x_release_spibus,
    .half_period = 0,