From: Lokesh Vutla lokeshvutla@ti.com
Since ROM configures OSPI controller to be in memory mapped mode in OSPI boot, R5 SPL can directly pass the memory mapped pointer to ROM. With this ROM can directly pull the SYSFW image from OSPI.
Signed-off-by: Lokesh Vutla lokeshvutla@ti.com Signed-off-by: Vignesh Raghavendra vigneshr@ti.com --- arch/arm/mach-k3/Kconfig | 8 ++++++++ arch/arm/mach-k3/sysfw-loader.c | 31 ++++++++++++++++++++++++++++++- 2 files changed, 38 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-k3/Kconfig b/arch/arm/mach-k3/Kconfig index 2e111bbf27ee..c98a5c66749f 100644 --- a/arch/arm/mach-k3/Kconfig +++ b/arch/arm/mach-k3/Kconfig @@ -126,6 +126,14 @@ config K3_SYSFW_IMAGE_SIZE_MAX tree blob. Keep it as tight as possible, as this directly affects the overall SPL memory footprint.
+config K3_SYSFW_IMAGE_SPI_OFFS + hex "SPI offset of SYSFW firmware and configuration blob" + depends on K3_LOAD_SYSFW + default 0x6C0000 + help + Offset of the combined System Firmware and configuration image tree + blob to be loaded when booting from a SPI flash memory. + config SYS_K3_SPL_ATF bool "Start Cortex-A from SPL" depends on SPL && CPU_V7R diff --git a/arch/arm/mach-k3/sysfw-loader.c b/arch/arm/mach-k3/sysfw-loader.c index 94dbeb9437d9..3677a37f55a2 100644 --- a/arch/arm/mach-k3/sysfw-loader.c +++ b/arch/arm/mach-k3/sysfw-loader.c @@ -14,6 +14,8 @@ #include <g_dnl.h> #include <usb.h> #include <dfu.h> +#include <dm/uclass-internal.h> +#include <spi_flash.h>
#include <asm/arch/sys_proto.h> #include "common.h" @@ -197,12 +199,32 @@ exit: } #endif
+#if CONFIG_IS_ENABLED(SPI_LOAD) +static void *k3_sysfw_get_spi_addr(void) +{ + struct udevice *dev; + fdt_addr_t addr; + int ret; + + ret = uclass_find_device_by_seq(UCLASS_SPI, CONFIG_SF_DEFAULT_BUS, + true, &dev); + if (ret) + return NULL; + + addr = dev_read_addr_index(dev, 1); + if (addr == FDT_ADDR_T_NONE) + return NULL; + + return (void *)(addr + CONFIG_K3_SYSFW_IMAGE_SPI_OFFS); +} +#endif + void k3_sysfw_loader(void (*config_pm_done_callback)(void)) { struct spl_image_info spl_image = { 0 }; struct spl_boot_device bootdev = { 0 }; struct ti_sci_handle *ti_sci; - int ret; + int ret = 0;
/* Reserve a block of aligned memory for loading the SYSFW image */ sysfw_load_address = memalign(ARCH_DMA_MINALIGN, @@ -243,6 +265,13 @@ void k3_sysfw_loader(void (*config_pm_done_callback)(void)) #endif break; #endif +#if CONFIG_IS_ENABLED(SPI_LOAD) + case BOOT_DEVICE_SPI: + sysfw_load_address = k3_sysfw_get_spi_addr(); + if (!sysfw_load_address) + ret = -ENODEV; + break; +#endif #if CONFIG_IS_ENABLED(YMODEM_SUPPORT) case BOOT_DEVICE_UART: #ifdef CONFIG_K3_EARLY_CONS