[PATCH 21/33] fsi: aspeed: Disable relative addressing and IPOLL for cfam reset

Eddie James
2024-02-15T22:08:26Z

Need to disable these for the master reset after cfam reset.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
---
drivers/fsi/fsi-master-aspeed.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/drivers/fsi/fsi-master-aspeed.c b/drivers/fsi/fsi-master-aspeed.c
index 1cb5bf6c05d2..92b47bc9917a 100644
--- a/drivers/fsi/fsi-master-aspeed.c
+++ b/drivers/fsi/fsi-master-aspeed.c
@@ -375,11 +375,18 @@ static ssize_t cfam_reset_store(struct device *dev, struct device_attribute *att

trace_fsi_master_aspeed_cfam_reset(true);
spin_lock_irqsave(&aspeed->lock, flags);
+
+ opb_writel(aspeed, ctrl_base + FSI_MMODE,
+ cpu_to_be32(aspeed->master.mmode & ~(FSI_MMODE_EIP | FSI_MMODE_RELA)));
+
gpiod_set_value(aspeed->cfam_reset_gpio, 1);
udelay(900);
gpiod_set_value(aspeed->cfam_reset_gpio, 0);
udelay(900);
+
opb_writel(aspeed, ctrl_base + FSI_MRESP0, cpu_to_be32(FSI_MRESP_RST_ALL_MASTER));
+ opb_writel(aspeed, ctrl_base + FSI_MMODE, cpu_to_be32(aspeed->master.mmode));
+
spin_unlock_irqrestore(&aspeed->lock, flags);
trace_fsi_master_aspeed_cfam_reset(false);

--
2.39.3