GitHub-Mirror/u-boot
2
0
Fork 0
mirror of https://github.com/Fishwaldo/u-boot.git synced 2025-03-15 11:41:31 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

video: Add mipi remove process and drop dc interrupt

Browse source 
to fix vf2 kernel 6.6 mipi bug #9706 (startup crash or mipi cannot display)
-add mipi remove process to solve bug of mipi display
-drop dc interrupt of vf2 uboot to solve startup crash

Signed-off-by: Shengyang Chen <shengyang.chen@starfivetech.com>
This commit is contained in:
shengyang.chen 2024-04-12 11:16:47 +08:00
parent 4f0dc1bed9
commit 9d5cdef8a3
2 changed files with 44 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

41
drivers/video/starfive/sf_mipi.c
View file

@ -568,6 +568,45 @@ free_clock_apb_clk:
return ret;
}
static int dsi_sf_remove(struct udevice *dev)
{
struct dsi_sf_priv *priv = dev_get_priv(dev);
struct mipi_dsi_device *device = &priv->device;
struct dsi_sf_priv *dsi = dev_get_priv(dev);
uint32_t val;
sf_dphy_set_reg(dsi->sys_reg, 0,AON_GP_REG_SHIFT,AON_GP_REG_MASK);
/*dphy*/
reset_assert(&priv->txbytehs_rst);//sys_mipi_dsi_set_ppi_txbyte_hs(0, priv_data);
reset_assert(&priv->dphy_sys);
reset(1, priv->phy_reg);
clk_disable(&priv->dphy_txesc_clk);
/*dsi*/
reset_assert(&priv->dpi_rst);
reset_assert(&priv->rxesc_rst);
reset_assert(&priv->txesc_rst);
reset_assert(&priv->apb_rst);
reset_assert(&priv->sys_rst);
clk_disable(&priv->dpi_clk);
clk_disable(&priv->txesc_clk);
clk_disable(&priv->apb_clk);
clk_disable(&priv->dsi_sys_clk);
return 0;
}
struct video_bridge_ops sf_dsi_bridge_ops = {
.attach = dsi_sf_attach,
.set_backlight = dsi_sf_set_backlight,
@ -585,6 +624,8 @@ U_BOOT_DRIVER(starfive_mipi_dsi) = {
.bind = dm_scan_fdt_dev,
.of_to_plat = sf_mipi_of_to_plat,
.probe = dsi_sf_probe,
.remove = dsi_sf_remove,
.ops = &sf_dsi_bridge_ops,
.priv_auto = sizeof(struct dsi_sf_priv),
.flags = DM_FLAG_OS_PREPARE,
};

5
drivers/video/starfive/sf_vop.c
View file

@ -641,8 +641,10 @@ static int sf_display_init(struct udevice *dev, ulong fbbase, ofnode ep_node)
}
#endif
#if CONFIG_IS_ENABLED(TARGET_STARFIVE_EVB)
writel(0xc0001fff, priv->regs_hi+0x00000014); //csr_reg//dc interrupt
#endif
#if CONFIG_IS_ENABLED(TARGET_STARFIVE_EVB) || CONFIG_IS_ENABLED(TARGET_STARFIVE_VISIONFIVE2)
writel(0xc0001fff, priv->regs_hi+0x00000014); //csr_reg
writel(0x000000e8, priv->regs_hi+0x00001a38); //csr_reg
writel(0x00002000, priv->regs_hi+0x00001cc0); //csr_reg
writel(0x00000000, priv->regs_hi+0x000024d8); //csr_reg
@ -694,7 +696,6 @@ static int sf_display_init(struct udevice *dev, ulong fbbase, ofnode ep_node)
#else
if(uc_priv->xsize == 800)
{
writel(0xc0001fff, priv->regs_hi+0x00000014); //csr_reg
writel(0x000000e8, priv->regs_hi+0x00001a38); //csr_reg
writel(0x00002000, priv->regs_hi+0x00001cc0); //csr_reg
writel(0x00000000, priv->regs_hi+0x000024d8); //csr_reg