diff options
Diffstat (limited to 'arch/arm/boards/zii-imx8mq-dev/lowlevel.c')
| -rw-r--r-- | arch/arm/boards/zii-imx8mq-dev/lowlevel.c | 45 |
1 files changed, 16 insertions, 29 deletions
diff --git a/arch/arm/boards/zii-imx8mq-dev/lowlevel.c b/arch/arm/boards/zii-imx8mq-dev/lowlevel.c index 6400833809..4184748cd8 100644 --- a/arch/arm/boards/zii-imx8mq-dev/lowlevel.c +++ b/arch/arm/boards/zii-imx8mq-dev/lowlevel.c @@ -7,20 +7,21 @@ #include <common.h> #include <firmware.h> #include <linux/sizes.h> -#include <mach/generic.h> +#include <mach/imx/generic.h> #include <asm/barebox-arm-head.h> #include <asm/barebox-arm.h> -#include <mach/imx8m-ccm-regs.h> -#include <mach/iomux-mx8mq.h> +#include <mach/imx/imx8m-ccm-regs.h> +#include <mach/imx/iomux-mx8mq.h> #include <soc/imx8m/ddr.h> -#include <mach/xload.h> +#include <mach/imx/xload.h> #include <io.h> #include <debug_ll.h> +#include <mach/imx/debug_ll.h> #include <asm/cache.h> #include <asm/sections.h> #include <asm/mmu.h> -#include <mach/atf.h> -#include <mach/esdctl.h> +#include <mach/imx/atf.h> +#include <mach/imx/esdctl.h> #include "ddr.h" @@ -28,11 +29,14 @@ static void setup_uart(void) { + void __iomem *uart = IOMEM(MX8M_UART1_BASE_ADDR); + imx8m_early_setup_uart_clock(); imx8mq_setup_pad(IMX8MQ_PAD_UART1_TXD__UART1_TX | UART_PAD_CTRL); + imx8m_uart_setup(uart); - imx8m_uart_setup_ll(); + pbl_set_putc(imx_uart_putc, uart); putc_ll('>'); } @@ -59,21 +63,10 @@ static __noreturn void ddr_helper_halt(void) static void zii_imx8mq_dev_sram_setup(void) { - enum bootsource src = BOOTSOURCE_UNKNOWN; - int instance = BOOTSOURCE_INSTANCE_UNKNOWN; - int ret = -ENOTSUPP; - ddr_init(); if (running_as_ddr_helper()) ddr_helper_halt(); - - imx8mq_get_boot_source(&src, &instance); - - if (src == BOOTSOURCE_MMC) - ret = imx8m_esdhc_load_image(instance, true); - - BUG_ON(ret); } enum zii_platform_imx8mq_type { @@ -118,6 +111,8 @@ static __noreturn noinline void zii_imx8mq_dev_start(void) unsigned int system_type; void *fdt; + setup_uart(); + if (get_pc() < MX8MQ_DDR_CSD1_BASE_ADDR) { /* * We assume that we were just loaded by MaskROM into @@ -135,13 +130,8 @@ static __noreturn noinline void zii_imx8mq_dev_start(void) * initialization routine, it is EL2 which means we'll skip * loadting ATF blob again */ - if (current_el() == 3) { - const u8 *bl31; - size_t bl31_size; - - get_builtin_firmware(imx8mq_bl31_bin, &bl31, &bl31_size); - imx8mq_atf_load_bl31(bl31, bl31_size); - } + if (current_el() == 3) + imx8mq_load_and_start_image_via_tfa(); system_type = get_system_type(); @@ -184,7 +174,7 @@ static __noreturn noinline void zii_imx8mq_dev_start(void) * * 4. BL31 blob is uploaded to OCRAM and the control is transfer to it * - * 5. BL31 exits EL3 into EL2 at address MX8MQ_ATF_BL33_BASE_ADDR, + * 5. BL31 exits EL3 into EL2 at address MX8M_ATF_BL33_BASE_ADDR, * executing start_nxp_imx8mq_evk() the third time * * 6. Standard barebox boot flow continues @@ -194,9 +184,6 @@ ENTRY_FUNCTION(start_zii_imx8mq_dev, r0, r1, r2) imx8mq_cpu_lowlevel_init(); relocate_to_current_adr(); setup_c(); - - if (IS_ENABLED(CONFIG_DEBUG_LL)) - setup_uart(); zii_imx8mq_dev_start(); } |