diff options
| author | Lucas Stach <dev@lynxeye.de> | 2020-01-13 20:37:16 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2020-01-14 12:06:59 +0100 |
| commit | e76009b5953371b30005382f60863a385526d4d5 (patch) | |
| tree | 5c4f8d9ebbf5ee099eb292cf71aa7266aee1c0b2 | |
| parent | 49e79ebc95c1adfc1324f450b82ba3bf20b3ee0a (diff) | |
| download | barebox-e76009b5953371b30005382f60863a385526d4d5.tar.gz barebox-e76009b5953371b30005382f60863a385526d4d5.tar.xz | |
ARM: zynq: zedboard: add PBL console support
Allows for significantly easier debugging of PBL functions.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | arch/arm/boards/avnet-zedboard/lowlevel.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/boards/avnet-zedboard/lowlevel.c b/arch/arm/boards/avnet-zedboard/lowlevel.c index 8edc6293f2..912eb11fda 100644 --- a/arch/arm/boards/avnet-zedboard/lowlevel.c +++ b/arch/arm/boards/avnet-zedboard/lowlevel.c @@ -22,6 +22,7 @@ #include <asm/barebox-arm-head.h> #include <mach/init.h> #include <mach/zynq7000-regs.h> +#include <serial/cadence.h> #define DCI_DONE (1 << 13) #define PLL_ARM_LOCK (1 << 0) @@ -279,6 +280,18 @@ static void avnet_zedboard_ps7_init(void) writel(0x0000767B, ZYNQ_SLCR_LOCK); } +static void avnet_zedboard_pbl_console_init(void) +{ + relocate_to_current_adr(); + setup_c(); + barrier(); + + cadence_uart_init((void *)ZYNQ_UART1_BASE_ADDR); + pbl_set_putc(cadence_uart_putc, (void *)ZYNQ_UART1_BASE_ADDR); + + pr_debug("\nAvnet ZedBoard PBL\n"); +} + ENTRY_FUNCTION(start_avnet_zedboard, r0, r1, r2) { @@ -289,5 +302,8 @@ ENTRY_FUNCTION(start_avnet_zedboard, r0, r1, r2) avnet_zedboard_ps7_init(); + if (IS_ENABLED(CONFIG_PBL_CONSOLE)) + avnet_zedboard_pbl_console_init(); + barebox_arm_entry(0, SZ_512M, fdt); } |