diff options
Diffstat (limited to 'arch/arm/boards/sama5d27-giantboard/lowlevel.c')
| -rw-r--r-- | arch/arm/boards/sama5d27-giantboard/lowlevel.c | 53 |
1 files changed, 19 insertions, 34 deletions
diff --git a/arch/arm/boards/sama5d27-giantboard/lowlevel.c b/arch/arm/boards/sama5d27-giantboard/lowlevel.c index 0236c424c1..49540bede0 100644 --- a/arch/arm/boards/sama5d27-giantboard/lowlevel.c +++ b/arch/arm/boards/sama5d27-giantboard/lowlevel.c @@ -5,59 +5,44 @@ #include <common.h> #include <init.h> - -#include <asm/barebox-arm-head.h> -#include <asm/barebox-arm.h> -#include <mach/at91_pmc_ll.h> - -#include <mach/hardware.h> -#include <mach/iomux.h> +#include <mach/at91/barebox-arm.h> +#include <mach/at91/sama5d2_ll.h> +#include <mach/at91/xload.h> +#include <mach/at91/sama5d2-sip-ddramc.h> +#include <mach/at91/iomux.h> #include <debug_ll.h> -#include <mach/at91_dbgu.h> /* PCK = 492MHz, MCK = 164MHz */ #define MASTER_CLOCK 164000000 -static inline void sama5d2_pmc_enable_periph_clock(int clk) +SAMA5D2_ENTRY_FUNCTION(start_sama5d27_giantboard_xload_mmc, r4) { - at91_pmc_sam9x5_enable_periph_clock(IOMEM(SAMA5D2_BASE_PMC), clk); -} + void __iomem *dbgu_base; -static void dbgu_init(void) -{ - unsigned mck = MASTER_CLOCK / 2; + sama5d2_lowlevel_init(); - sama5d2_pmc_enable_periph_clock(SAMA5D2_ID_PIOD); - - at91_mux_pio4_set_A_periph(IOMEM(SAMA5D2_BASE_PIOD), - pin_to_mask(AT91_PIN_PD3)); /* DBGU TXD */ + dbgu_base = sama5d2_resetup_uart_console(MASTER_CLOCK); + putc_ll('>'); - sama5d2_pmc_enable_periph_clock(SAMA5D2_ID_UART1); + relocate_to_current_adr(); + setup_c(); - at91_dbgu_setup_ll(IOMEM(SAMA5D2_BASE_UART1), mck, 115200); + pbl_set_putc(at91_dbgu_putc, dbgu_base); - putc_ll('>'); + sama5d2_udelay_init(MASTER_CLOCK); + sama5d2_d1g_ddrconf(); + sama5d2_sdhci_start_image(r4); } extern char __dtb_z_at91_sama5d27_giantboard_start[]; -static noinline void giantboard_entry(void) +SAMA5D2_ENTRY_FUNCTION(start_sama5d27_giantboard, r4) { void *fdt; - if (IS_ENABLED(CONFIG_DEBUG_LL)) - dbgu_init(); + putc_ll('>'); fdt = __dtb_z_at91_sama5d27_giantboard_start + get_runtime_offset(); - barebox_arm_entry(SAMA5_DDRCS, SZ_128M, fdt); -} - -ENTRY_FUNCTION(start_sama5d27_giantboard, r0, r1, r2) -{ - arm_cpu_lowlevel_init(); - - arm_setup_stack(SAMA5D2_SRAM_BASE + SAMA5D2_SRAM_SIZE); - - giantboard_entry(); + sama5d2_barebox_entry(r4, fdt); } |