diff options
Diffstat (limited to 'arch/arm/boards/freescale-mx6-sabrelite/lowlevel.c')
| -rw-r--r-- | arch/arm/boards/freescale-mx6-sabrelite/lowlevel.c | 57 |
1 files changed, 49 insertions, 8 deletions
diff --git a/arch/arm/boards/freescale-mx6-sabrelite/lowlevel.c b/arch/arm/boards/freescale-mx6-sabrelite/lowlevel.c index abfb77a157..3b51e016e6 100644 --- a/arch/arm/boards/freescale-mx6-sabrelite/lowlevel.c +++ b/arch/arm/boards/freescale-mx6-sabrelite/lowlevel.c @@ -3,29 +3,70 @@ #include <mach/generic.h> #include <asm/barebox-arm-head.h> #include <asm/barebox-arm.h> +#include <mach/imx6-regs.h> +#include <io.h> +#include <mach/debug_ll.h> +#include <mach/esdctl.h> +#include <asm/cache.h> extern char __dtb_imx6q_sabrelite_start[]; -ENTRY_FUNCTION(start_imx6q_sabrelite, r0, r1, r2) +static noinline void imx6q_sabrelite_start(void) { - void *fdt; + void __iomem *iomuxbase = IOMEM(MX6_IOMUXC_BASE_ADDR); + void __iomem *uart = IOMEM(MX6_UART2_BASE_ADDR); + + writel(0x4, iomuxbase + 0x0bc); + + imx6_ungate_all_peripherals(); + imx6_uart_setup(uart); + pbl_set_putc(imx_uart_putc, uart); + pr_debug("Freescale i.MX6q SabreLite\n"); + + imx6q_barebox_entry(__dtb_imx6q_sabrelite_start); +} + +ENTRY_FUNCTION(start_imx6q_sabrelite, r0, r1, r2) +{ imx6_cpu_lowlevel_init(); - fdt = __dtb_imx6q_sabrelite_start - get_runtime_offset(); + arm_early_mmu_cache_invalidate(); + + relocate_to_current_adr(); + setup_c(); + barrier(); - barebox_arm_entry(0x10000000, SZ_1G, fdt); + imx6q_sabrelite_start(); } extern char __dtb_imx6dl_sabrelite_start[]; -ENTRY_FUNCTION(start_imx6dl_sabrelite, r0, r1, r2) +static noinline void imx6dl_sabrelite_start(void) { - void *fdt; + void __iomem *iomuxbase = IOMEM(MX6_IOMUXC_BASE_ADDR); + void __iomem *uart = IOMEM(MX6_UART2_BASE_ADDR); + + writel(0x4, iomuxbase + 0x16c); + + imx6_ungate_all_peripherals(); + imx6_uart_setup(uart); + pbl_set_putc(imx_uart_putc, uart); + pr_debug("Freescale i.MX6q SabreLite\n"); + + imx6q_barebox_entry(__dtb_imx6q_sabrelite_start); +} + +ENTRY_FUNCTION(start_imx6dl_sabrelite, r0, r1, r2) +{ imx6_cpu_lowlevel_init(); - fdt = __dtb_imx6dl_sabrelite_start - get_runtime_offset(); + arm_early_mmu_cache_invalidate(); + + relocate_to_current_adr(); + setup_c(); + barrier(); - barebox_arm_entry(0x10000000, SZ_1G, fdt); + imx6dl_sabrelite_start(); } |