arm: k3: j721e: add dynamic sf bus override support for j721e
implement overrides for spl_spi_boot_bus() and spl_spi_boot_cs()
lookup functions according to bootmode selection, so as to support
both QSPI and OSPI boot using the same build.
Signed-off-by: Vaishnav Achath <vaishnav.a@ti.com>
Reviewed-by: Pratyush Yadav <p.yadav@ti.com>
diff --git a/arch/arm/mach-k3/j721e_init.c b/arch/arm/mach-k3/j721e_init.c
index f503f15..e56ca6d 100644
--- a/arch/arm/mach-k3/j721e_init.c
+++ b/arch/arm/mach-k3/j721e_init.c
@@ -355,6 +355,17 @@
return bootmode;
}
+u32 spl_spi_boot_bus(void)
+{
+ u32 wkup_devstat = readl(CTRLMMR_WKUP_DEVSTAT);
+ u32 main_devstat = readl(CTRLMMR_MAIN_DEVSTAT);
+ u32 bootmode = ((wkup_devstat & WKUP_DEVSTAT_PRIMARY_BOOTMODE_MASK) >>
+ WKUP_DEVSTAT_PRIMARY_BOOTMODE_SHIFT) |
+ ((main_devstat & MAIN_DEVSTAT_BOOT_MODE_B_MASK) << BOOT_MODE_B_SHIFT);
+
+ return (bootmode == BOOT_DEVICE_QSPI) ? 1 : 0;
+}
+
u32 spl_boot_device(void)
{
u32 wkup_devstat = readl(CTRLMMR_WKUP_DEVSTAT);
diff --git a/arch/arm/mach-k3/sysfw-loader.c b/arch/arm/mach-k3/sysfw-loader.c
index 988e758..b3beeca 100644
--- a/arch/arm/mach-k3/sysfw-loader.c
+++ b/arch/arm/mach-k3/sysfw-loader.c
@@ -324,9 +324,9 @@
struct udevice *dev;
fdt_addr_t addr;
int ret;
+ unsigned int sf_bus = spl_spi_boot_bus();
- ret = uclass_find_device_by_seq(UCLASS_SPI, CONFIG_SF_DEFAULT_BUS,
- &dev);
+ ret = uclass_find_device_by_seq(UCLASS_SPI, sf_bus, &dev);
if (ret)
return NULL;