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authorRex-BC Chen <rex-bc.chen@mediatek.corp-partner.google.com>2021-04-27 21:20:06 +0800
committerHung-Te Lin <hungte@chromium.org>2021-05-05 07:36:48 +0000
commit47095d5ec35b4cbff9d4660cfe9521ed17a0d1ed (patch)
treefe8a77a9c18fbadb256a274797c11cf554f7db18 /src/soc/mediatek/mt8183/spi.c
parent0575778667e9802a3af9766f459f43f833330d88 (diff)
soc/mediatek: Move the common part of SPI drivers to common/
The SPI drivers can be shared by MT8183, MT8192 and MT8195. TEST=emerge-{oak, kukui, asurada, cherry} coreboot; verified on Cherry P0 Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com> Change-Id: I7bb7809a88fbda67eca67ecfde45b9cb5f09dffe Reviewed-on: https://review.coreboot.org/c/coreboot/+/52854 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Diffstat (limited to 'src/soc/mediatek/mt8183/spi.c')
-rw-r--r--src/soc/mediatek/mt8183/spi.c17
1 files changed, 0 insertions, 17 deletions
diff --git a/src/soc/mediatek/mt8183/spi.c b/src/soc/mediatek/mt8183/spi.c
index 87362dc33c..c172f377da 100644
--- a/src/soc/mediatek/mt8183/spi.c
+++ b/src/soc/mediatek/mt8183/spi.c
@@ -103,23 +103,6 @@ void mtk_spi_set_gpio_pinmux(unsigned int bus, enum spi_pad_mask pad_select)
gpio_set_mode((gpio_t){.id = ptr[i].pin_id}, ptr[i].func);
}
-void mtk_spi_set_timing(struct mtk_spi_regs *regs, u32 sck_ticks, u32 cs_ticks,
- unsigned int tick_dly)
-{
- write32(&regs->spi_cfg0_reg,
- ((cs_ticks - 1) << SPI_CFG0_CS_HOLD_SHIFT) |
- ((cs_ticks - 1) << SPI_CFG0_CS_SETUP_SHIFT));
-
- write32(&regs->spi_cfg2_reg,
- ((sck_ticks - 1) << SPI_CFG2_SCK_HIGH_SHIFT) |
- ((sck_ticks - 1) << SPI_CFG2_SCK_LOW_SHIFT));
-
- clrsetbits32(&regs->spi_cfg1_reg, SPI_CFG1_TICK_DLY_MASK |
- SPI_CFG1_CS_IDLE_MASK,
- (tick_dly << SPI_CFG1_TICK_DLY_SHIFT) |
- ((cs_ticks - 1) << SPI_CFG1_CS_IDLE_SHIFT));
-}
-
const struct spi_ctrlr_buses spi_ctrlr_bus_map[] = {
{
.ctrlr = &spi_ctrlr,