From patchwork Fri Jul 30 20:52:18 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hemant Pedanekar X-Patchwork-Id: 116121 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.4/8.14.3) with ESMTP id o6UKpxTR027228 for ; Fri, 30 Jul 2010 20:52:43 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752707Ab0G3UwY (ORCPT ); Fri, 30 Jul 2010 16:52:24 -0400 Received: from comal.ext.ti.com ([198.47.26.152]:42713 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751992Ab0G3UwX (ORCPT ); Fri, 30 Jul 2010 16:52:23 -0400 Received: from dbdp31.itg.ti.com ([172.24.170.98]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id o6UKqJDN008012 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 30 Jul 2010 15:52:21 -0500 Received: from psplinux052.india.ti.com (localhost [127.0.0.1]) by dbdp31.itg.ti.com (8.13.8/8.13.8) with ESMTP id o6UKqIg7006824; Sat, 31 Jul 2010 02:22:18 +0530 (IST) Received: from psplinux052.india.ti.com (localhost [127.0.0.1]) by psplinux052.india.ti.com (8.13.1/8.13.1) with ESMTP id o6UKqI4U025230; Sat, 31 Jul 2010 02:22:18 +0530 Received: (from a0393588@localhost) by psplinux052.india.ti.com (8.13.1/8.13.1/Submit) id o6UKqINE025227; Sat, 31 Jul 2010 02:22:18 +0530 From: Hemant Pedanekar To: linux-omap@vger.kernel.org Cc: tony@atomide.com, khilman@deeprootsystems.com, Hemant Pedanekar Subject: [PATCH 6/6] TI816X: Add low level debug support Date: Sat, 31 Jul 2010 02:22:18 +0530 Message-Id: <1280523138-25198-1-git-send-email-hemantp@ti.com> X-Mailer: git-send-email 1.6.2.4 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Fri, 30 Jul 2010 20:52:43 +0000 (UTC) diff --git a/arch/arm/mach-omap2/include/mach/debug-macro.S b/arch/arm/mach-omap2/include/mach/debug-macro.S index 35b2440..a25708e 100644 --- a/arch/arm/mach-omap2/include/mach/debug-macro.S +++ b/arch/arm/mach-omap2/include/mach/debug-macro.S @@ -66,6 +66,12 @@ omap_uart_lsr: .word 0 beq 34f @ configure OMAP3UART4 cmp \rx, #OMAP4UART4 @ only on 44xx beq 44f @ configure OMAP4UART4 + cmp \rx, #TI816XUART1 @ ti816x UART offsets different + beq 81f @ configure UART1 + cmp \rx, #TI816XUART2 @ ti816x UART offsets different + beq 82f @ configure UART2 + cmp \rx, #TI816XUART3 @ ti816x UART offsets different + beq 83f @ configure UART3 cmp \rx, #ZOOM_UART @ only on zoom2/3 beq 95f @ configure ZOOM_UART @@ -88,6 +94,12 @@ omap_uart_lsr: .word 0 b 98f 44: mov \rx, #UART_OFFSET(OMAP4_UART4_BASE) b 98f +81: mov \rx, #UART_OFFSET(TI816X_UART1_BASE) + b 98f +82: mov \rx, #UART_OFFSET(TI816X_UART2_BASE) + b 98f +83: mov \rx, #UART_OFFSET(TI816X_UART3_BASE) + b 98f 95: ldr \rx, =ZOOM_UART_BASE ldr \tmp, =omap_uart_phys str \rx, [\tmp, #0] diff --git a/arch/arm/plat-omap/include/plat/serial.h b/arch/arm/plat-omap/include/plat/serial.h index ad8d0d8..ef8a57a 100644 --- a/arch/arm/plat-omap/include/plat/serial.h +++ b/arch/arm/plat-omap/include/plat/serial.h @@ -86,6 +86,9 @@ #define OMAP4UART2 OMAP2UART2 #define OMAP4UART3 43 #define OMAP4UART4 44 +#define TI816XUART1 81 +#define TI816XUART2 82 +#define TI816XUART3 83 #define ZOOM_UART 95 /* Only on zoom2/3 */ /* This is only used by 8250.c for omap1510 */ diff --git a/arch/arm/plat-omap/include/plat/uncompress.h b/arch/arm/plat-omap/include/plat/uncompress.h index ddf723b..48a0d8c 100644 --- a/arch/arm/plat-omap/include/plat/uncompress.h +++ b/arch/arm/plat-omap/include/plat/uncompress.h @@ -93,6 +93,10 @@ static inline void flush(void) #define DEBUG_LL_ZOOM(mach) \ _DEBUG_LL_ENTRY(mach, ZOOM_UART_BASE, ZOOM_PORT_SHIFT, ZOOM_UART) +#define DEBUG_LL_TI816X(p, mach) \ + _DEBUG_LL_ENTRY(mach, TI816X_UART##p##_BASE, OMAP_PORT_SHIFT, \ + TI816XUART##p) + static inline void __arch_decomp_setup(unsigned long arch_id) { int port = 0; @@ -158,6 +162,9 @@ static inline void __arch_decomp_setup(unsigned long arch_id) DEBUG_LL_ZOOM(omap_zoom2); DEBUG_LL_ZOOM(omap_zoom3); + /* TI8168 base boards using UART3 */ + DEBUG_LL_TI816X(3, ti8168evm); + } while (0); }