summaryrefslogtreecommitdiff
path: root/src/soc
diff options
context:
space:
mode:
Diffstat (limited to 'src/soc')
-rw-r--r--src/soc/mediatek/common/include/soc/spi_common.h5
-rw-r--r--src/soc/mediatek/common/spi.c4
-rw-r--r--src/soc/mediatek/mt8173/include/soc/spi.h5
-rw-r--r--src/soc/mediatek/mt8173/spi.c7
-rw-r--r--src/soc/mediatek/mt8183/include/soc/spi.h5
-rw-r--r--src/soc/mediatek/mt8183/spi.c7
6 files changed, 25 insertions, 8 deletions
diff --git a/src/soc/mediatek/common/include/soc/spi_common.h b/src/soc/mediatek/common/include/soc/spi_common.h
index 162db59f94..81a9098180 100644
--- a/src/soc/mediatek/common/include/soc/spi_common.h
+++ b/src/soc/mediatek/common/include/soc/spi_common.h
@@ -84,8 +84,9 @@ extern struct mtk_spi_bus spi_bus[];
void mtk_spi_set_gpio_pinmux(unsigned int bus,
enum spi_pad_mask pad_select);
-void mtk_spi_set_timing(struct mtk_spi_regs *regs, u32 sck_ticks, u32 cs_ticks);
+void mtk_spi_set_timing(struct mtk_spi_regs *regs, u32 sck_ticks, u32 cs_ticks,
+ unsigned int tick_dly);
void mtk_spi_init(unsigned int bus, enum spi_pad_mask pad_select,
- unsigned int speed_hz);
+ unsigned int speed_hz, unsigned int tick_dly);
#endif
diff --git a/src/soc/mediatek/common/spi.c b/src/soc/mediatek/common/spi.c
index 71ed95a228..1af6f105c3 100644
--- a/src/soc/mediatek/common/spi.c
+++ b/src/soc/mediatek/common/spi.c
@@ -53,7 +53,7 @@ static void spi_sw_reset(struct mtk_spi_regs *regs)
}
void mtk_spi_init(unsigned int bus, enum spi_pad_mask pad_select,
- unsigned int speed_hz)
+ unsigned int speed_hz, unsigned int tick_dly)
{
u32 div, sck_ticks, cs_ticks;
@@ -73,7 +73,7 @@ void mtk_spi_init(unsigned int bus, enum spi_pad_mask pad_select,
printk(BIOS_DEBUG, "SPI%u(PAD%u) initialized at %u Hz\n",
bus, pad_select, SPI_HZ / (sck_ticks * 2));
- mtk_spi_set_timing(regs, sck_ticks, cs_ticks);
+ mtk_spi_set_timing(regs, sck_ticks, cs_ticks, tick_dly);
clrsetbits_le32(&regs->spi_cmd_reg,
(SPI_CMD_CPHA_EN | SPI_CMD_CPOL_EN |
diff --git a/src/soc/mediatek/mt8173/include/soc/spi.h b/src/soc/mediatek/mt8173/include/soc/spi.h
index aaef3aa25c..58bf517f9d 100644
--- a/src/soc/mediatek/mt8173/include/soc/spi.h
+++ b/src/soc/mediatek/mt8173/include/soc/spi.h
@@ -43,4 +43,9 @@ enum {
SPI_CFG0_CS_SETUP_SHIFT = 24,
};
+enum {
+ SPI_CFG1_TICK_DLY_SHIFT = 30,
+ SPI_CFG1_TICK_DLY_MASK = 0x3 << SPI_CFG1_TICK_DLY_SHIFT,
+};
+
#endif
diff --git a/src/soc/mediatek/mt8173/spi.c b/src/soc/mediatek/mt8173/spi.c
index 0cc8377ff4..d0094418b8 100644
--- a/src/soc/mediatek/mt8173/spi.c
+++ b/src/soc/mediatek/mt8173/spi.c
@@ -38,14 +38,17 @@ void mtk_spi_set_gpio_pinmux(unsigned int bus,
gpio_set_mode(GPIO(MSDC2_CMD), PAD_MSDC2_CMD_FUNC_SPI_CS_1);
}
-void mtk_spi_set_timing(struct mtk_spi_regs *regs, u32 sck_ticks, u32 cs_ticks)
+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,
((sck_ticks - 1) << SPI_CFG0_SCK_HIGH_SHIFT) |
((sck_ticks - 1) << SPI_CFG0_SCK_LOW_SHIFT) |
((cs_ticks - 1) << SPI_CFG0_CS_HOLD_SHIFT) |
((cs_ticks - 1) << SPI_CFG0_CS_SETUP_SHIFT));
- clrsetbits_le32(&regs->spi_cfg1_reg, SPI_CFG1_CS_IDLE_MASK,
+ clrsetbits_le32(&regs->spi_cfg1_reg, SPI_CFG1_CS_IDLE_MASK |
+ SPI_CFG1_TICK_DLY_MASK,
+ (tick_dly << SPI_CFG1_TICK_DLY_SHIFT) |
((cs_ticks - 1) << SPI_CFG1_CS_IDLE_SHIFT));
}
diff --git a/src/soc/mediatek/mt8183/include/soc/spi.h b/src/soc/mediatek/mt8183/include/soc/spi.h
index 9bc7121847..f718081f67 100644
--- a/src/soc/mediatek/mt8183/include/soc/spi.h
+++ b/src/soc/mediatek/mt8183/include/soc/spi.h
@@ -49,5 +49,10 @@ enum {
SPI_CFG2_SCK_HIGH_SHIFT = 16,
};
+enum {
+ SPI_CFG1_TICK_DLY_SHIFT = 29,
+ SPI_CFG1_TICK_DLY_MASK = 0x7 << SPI_CFG1_TICK_DLY_SHIFT,
+
+};
#endif
diff --git a/src/soc/mediatek/mt8183/spi.c b/src/soc/mediatek/mt8183/spi.c
index a79dafba94..982f6439ed 100644
--- a/src/soc/mediatek/mt8183/spi.c
+++ b/src/soc/mediatek/mt8183/spi.c
@@ -109,7 +109,8 @@ 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)
+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) |
@@ -119,7 +120,9 @@ void mtk_spi_set_timing(struct mtk_spi_regs *regs, u32 sck_ticks, u32 cs_ticks)
((sck_ticks - 1) << SPI_CFG2_SCK_HIGH_SHIFT) |
((sck_ticks - 1) << SPI_CFG2_SCK_LOW_SHIFT));
- clrsetbits_le32(&regs->spi_cfg1_reg, SPI_CFG1_CS_IDLE_MASK,
+ clrsetbits_le32(&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));
}