PBL console support is more useful than debug_ll. Add support for it to the Vincell Board.
Signed-off-by: Sascha Hauer <[email protected]> --- arch/arm/boards/guf-vincell/lowlevel.c | 50 ++++++++++++++++++++-------------- 1 file changed, 29 insertions(+), 21 deletions(-) diff --git a/arch/arm/boards/guf-vincell/lowlevel.c b/arch/arm/boards/guf-vincell/lowlevel.c index af7c65d..3985dd7 100644 --- a/arch/arm/boards/guf-vincell/lowlevel.c +++ b/arch/arm/boards/guf-vincell/lowlevel.c @@ -11,6 +11,7 @@ #include <mach/generic.h> #include <asm/barebox-arm.h> #include <asm/barebox-arm-head.h> +#include <asm/cache.h> #define IOMUX_PADCTL_DDRI_DDR (1 << 9) @@ -123,12 +124,16 @@ void disable_watchdog(void) writew(0x0, MX53_WDOG2_BASE_ADDR + 8); } -static noinline void imx53_guf_vincell_init(void *fdt) +extern char __dtb_imx53_guf_vincell_lt_start[]; +extern char __dtb_imx53_guf_vincell_start[]; + +static noinline void imx53_guf_vincell_init(int is_lt) { void __iomem *ccm = (void *)MX53_CCM_BASE_ADDR; + void __iomem *uart = IOMEM(MX53_UART4_BASE_ADDR); + void *fdt; u32 r; - imx5_cpu_lowlevel_init(); arm_setup_stack(MX53_IRAM_BASE_ADDR + MX53_IRAM_SIZE - 8); writel(0x0088494c, ccm + MX5_CCM_CBCDR); @@ -137,12 +142,11 @@ static noinline void imx53_guf_vincell_init(void *fdt) imx53_init_lowlevel_early(800); - if (IS_ENABLED(CONFIG_DEBUG_LL)) { - writel(0x3, MX53_IOMUXC_BASE_ADDR + 0x27c); - writel(0x3, MX53_IOMUXC_BASE_ADDR + 0x278); - imx53_uart_setup_ll(); - putc_ll('>'); - } + writel(0x3, MX53_IOMUXC_BASE_ADDR + 0x27c); + writel(0x3, MX53_IOMUXC_BASE_ADDR + 0x278); + imx53_uart_setup(uart); + pbl_set_putc(imx_uart_putc, uart); + pr_debug("GuF Vincell\n"); /* Skip SDRAM initialization if we run from RAM */ r = get_pc(); @@ -152,27 +156,31 @@ static noinline void imx53_guf_vincell_init(void *fdt) imx_esdctlv4_init(); } + if (is_lt) + fdt = __dtb_imx53_guf_vincell_lt_start; + else + fdt = __dtb_imx53_guf_vincell_start; + imx53_barebox_entry(fdt); } -extern char __dtb_imx53_guf_vincell_lt_start[]; - -ENTRY_FUNCTION(start_imx53_guf_vincell_lt, r0, r1, r2) +static void __imx53_guf_vincell_init(int is_lt) { - void *fdt; - - fdt = __dtb_imx53_guf_vincell_lt_start - get_runtime_offset(); + arm_early_mmu_cache_invalidate(); + imx5_cpu_lowlevel_init(); + relocate_to_current_adr(); + setup_c(); + barrier(); - imx53_guf_vincell_init(fdt); + imx53_guf_vincell_init(is_lt); } -extern char __dtb_imx53_guf_vincell_start[]; +ENTRY_FUNCTION(start_imx53_guf_vincell_lt, r0, r1, r2) +{ + __imx53_guf_vincell_init(1); +} ENTRY_FUNCTION(start_imx53_guf_vincell, r0, r1, r2) { - void *fdt; - - fdt = __dtb_imx53_guf_vincell_start - get_runtime_offset(); - - imx53_guf_vincell_init(fdt); + __imx53_guf_vincell_init(0); } -- 2.8.1 _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
