From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Mon, 24 Apr 2017 19:03:34 +0200 Subject: [U-Boot] [PATCH 4/4] MIPS: call debug_uart_init right before board_init_f In-Reply-To: <1493053414-810-1-git-send-email-noltari@gmail.com> References: <1492944643-859-1-git-send-email-noltari@gmail.com> <1493053414-810-1-git-send-email-noltari@gmail.com> Message-ID: <1493053414-810-5-git-send-email-noltari@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit To: u-boot@lists.denx.de From: Daniel Schwierzeck All MIPS boards that support debug uart are calling debug_uart_init right at the beginning of board_early_init_f. Instead of doing that, let's provide a generic call to debug_uart_init right before the call to board_init_f if debug uart is enabled for boards without stack in SRAM. On the other hand, boards with stack in SRAM can call earlier (right before low level init). Signed-off-by: Daniel Schwierzeck Signed-off-by: Álvaro Fernández Rojas --- v2: Introduce the changes suggested by Daniel Schwierzeck: - Call debug_uart_init before low level init for boards with stack in SRAM. arch/mips/cpu/start.S | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/mips/cpu/start.S b/arch/mips/cpu/start.S index 6740fdf..a6b7a04 100644 --- a/arch/mips/cpu/start.S +++ b/arch/mips/cpu/start.S @@ -237,6 +237,13 @@ wr_done: #ifdef CONFIG_MIPS_INIT_STACK_IN_SRAM /* Set up initial stack and global data */ setup_stack_gd + +# ifdef CONFIG_DEBUG_UART + /* Earliest point to set up debug uart */ + PTR_LA t9, debug_uart_init + jalr t9 + nop +# endif #endif #ifndef CONFIG_SKIP_LOWLEVEL_INIT @@ -263,6 +270,13 @@ wr_done: #ifndef CONFIG_MIPS_INIT_STACK_IN_SRAM /* Set up initial stack and global data */ setup_stack_gd + +# ifdef CONFIG_DEBUG_UART + /* Earliest point to set up debug uart */ + PTR_LA t9, debug_uart_init + jalr t9 + nop +# endif #endif move a0, zero # a0 <-- boot_flags = 0 -- 2.1.4