From patchwork Thu Jul 4 06:59:16 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rajeshwari Shinde X-Patchwork-Id: 18259 Return-Path: X-Original-To: linaro@patches.linaro.org Delivered-To: linaro@patches.linaro.org Received: from mail-bk0-f72.google.com (mail-bk0-f72.google.com [209.85.214.72]) by ip-10-151-82-157.ec2.internal (Postfix) with ESMTPS id 1A76525A60 for ; Thu, 4 Jul 2013 06:57:57 +0000 (UTC) Received: by mail-bk0-f72.google.com with SMTP id jc3sf1004318bkc.11 for ; Wed, 03 Jul 2013 23:57:57 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:x-beenthere:x-forwarded-to:x-forwarded-for :delivered-to:x-auditid:from:to:cc:subject:date:message-id:x-mailer :in-reply-to:references:x-brightmail-tracker:x-brightmail-tracker :dlp-filter:x-mtr:x-cfilter-loop:x-gm-message-state :x-original-sender:x-original-authentication-results:precedence :mailing-list:list-id:x-google-group-id:list-post:list-help :list-archive:list-unsubscribe; bh=xGDz5w9RGb+F/CmOPNyXkoSycXfWyPnLibAZ1+r+XPk=; b=OsVbPruWxDsmMFINh/Xas/5X9h20xUzwt7J4P6kRT2plKIesf3GMX/Eluaq7cdy8KK zzENegAyyaBJDX7Dmtay+NxXCsLIZTP4q/n8RvivOWPZsz5PYYVISIofGBbUik6y3Oz6 QoDngECiiDUq6Dx65QF+wMk2YQ8c4TWOkcEFiow0uflm7BaSlOprDFeBlirtotqpeAIM 8mx5w4vfe9tvFpqQ/CHZmLAgNeZun77hi1byM+9sBc/1u8C2muhYtwrgh15xOt0nS70S u8eDndS8l+Vj4L3Gy6R8kuFpiJcBMsnkr5K8w5Uz13zVu2zcGX65UGtcqU4fl0zuI7rU MFrQ== X-Received: by 10.180.210.168 with SMTP id mv8mr1403389wic.0.1372921076949; Wed, 03 Jul 2013 23:57:56 -0700 (PDT) MIME-Version: 1.0 X-BeenThere: patchwork-forward@linaro.org Received: by 10.180.88.98 with SMTP id bf2ls324980wib.7.gmail; Wed, 03 Jul 2013 23:57:56 -0700 (PDT) X-Received: by 10.180.90.104 with SMTP id bv8mr20099274wib.15.1372921076516; Wed, 03 Jul 2013 23:57:56 -0700 (PDT) Received: from mail-ve0-f169.google.com (mail-ve0-f169.google.com [209.85.128.169]) by mx.google.com with ESMTPS id g11si8057470wiw.24.2013.07.03.23.57.56 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 03 Jul 2013 23:57:56 -0700 (PDT) Received-SPF: neutral (google.com: 209.85.128.169 is neither permitted nor denied by best guess record for domain of patch+caf_=patchwork-forward=linaro.org@linaro.org) client-ip=209.85.128.169; Received: by mail-ve0-f169.google.com with SMTP id m1so813298ves.0 for ; Wed, 03 Jul 2013 23:57:55 -0700 (PDT) X-Received: by 10.58.2.137 with SMTP id 9mr1997592veu.50.1372921075353; Wed, 03 Jul 2013 23:57:55 -0700 (PDT) X-Forwarded-To: patchwork-forward@linaro.org X-Forwarded-For: patch@linaro.org patchwork-forward@linaro.org Delivered-To: patches@linaro.org Received: by 10.58.165.8 with SMTP id yu8csp81457veb; Wed, 3 Jul 2013 23:57:54 -0700 (PDT) X-Received: by 10.68.101.34 with SMTP id fd2mr4260919pbb.137.1372921074091; Wed, 03 Jul 2013 23:57:54 -0700 (PDT) Received: from mailout3.samsung.com (mailout3.samsung.com. [203.254.224.33]) by mx.google.com with ESMTP id vj5si1074758pbc.286.2013.07.03.23.57.53 for ; Wed, 03 Jul 2013 23:57:54 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of rajeshwari.s@samsung.com designates 203.254.224.33 as permitted sender) client-ip=203.254.224.33; Received: from epcpsbgr1.samsung.com (u141.gpu120.samsung.co.kr [203.254.230.141]) by mailout3.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MPE00I2JGNRDZR0@mailout3.samsung.com> for patches@linaro.org; Thu, 04 Jul 2013 15:57:48 +0900 (KST) Received: from epcpsbgm2.samsung.com ( [172.20.52.123]) by epcpsbgr1.samsung.com (EPCPMTA) with SMTP id 6C.B0.17404.CEC15D15; Thu, 04 Jul 2013 15:57:48 +0900 (KST) X-AuditID: cbfee68d-b7f096d0000043fc-b5-51d51cec330b Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id 14.79.21068.CEC15D15; Thu, 04 Jul 2013 15:57:48 +0900 (KST) Received: from rajeshwari-linux.sisodomain.com ([107.108.215.115]) by mmp2.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0MPE006BQGO3ME50@mmp2.samsung.com>; Thu, 04 Jul 2013 15:57:47 +0900 (KST) From: Rajeshwari Shinde To: u-boot@lists.denx.de Cc: patches@linaro.org, sjg@chromium.org, mk7.kang@samsung.com, u-boot-review@google.com, prashanth.g@samsung.com, sreekumar.c@samsung.com Subject: [PATCH 3/4 V4] EXYNOS4210: Configure GPIO for uart Date: Thu, 04 Jul 2013 12:29:16 +0530 Message-id: <1372921157-14968-4-git-send-email-rajeshwari.s@samsung.com> X-Mailer: git-send-email 1.7.4.4 In-reply-to: <1372921157-14968-1-git-send-email-rajeshwari.s@samsung.com> References: <1372921157-14968-1-git-send-email-rajeshwari.s@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrOLMWRmVeSWpSXmKPExsWyRsSkWveNzNVAgwMTRSw6jrQwWkw5/IXF YtXhDewW37ZsY7Q4+HABs8Xy1xvZLd7u7WR3YPeY3XCRxWPBplKPO9f2sHmcvbOD0aNvyyrG ANYoLpuU1JzMstQifbsEroyPNz+yFxzQrrj73qOB8bJyFyMnh4SAicSS3mtsELaYxIV764Fs Lg4hgaWMErsPP2OHKTp1ZC8zRGI6o8T5g0eYIJyJTBJXJpxnAqliEzCS2HpyGiOILSIgIfGr /yojSBGzQA+jxKZ728BGCQtYS6y6PxWsgUVAVeLXlbVgDbwCHhJPzs1jgVinIHFs6ldWEJtT wFOi6cFRZhBbCKjm1ZF+sM0SAovYJfpe7WeBGCQg8W3yISCbAyghK7HpADPEHEmJgytusExg FF7AyLCKUTS1ILmgOCm9yFCvODG3uDQvXS85P3cTIzDQT/971ruD8fYB60OMyUDjJjJLiSbn AyMlryTe0NjMyMLUxNTYyNzSjDRhJXFetRbrQCGB9MSS1OzU1ILUovii0pzU4kOMTBycUg2M Pq3p+8LrVDb/c7iR/0Lis26Bbpi/z+I+qbd/DBXjRUQ2fGNVf+M9/dEO/RudUTw9En86Zi82 2C5xxr12G1/nXpMv2/v2mmo+3SQjx+OzRqn5lu6jzY/sjuR9Zp38pEJPM/34XdUfOrf8ZFdd mq1xyOaNdaGGcmxibf0KQ9cvPu2HDL/sWK2kxFKckWioxVxUnAgA//h5GIoCAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrCIsWRmVeSWpSXmKPExsVy+t9jQd03MlcDDa5d5LDoONLCaDHl8BcW i1WHN7BbfNuyjdHi4MMFzBbLX29kt3i7t5Pdgd1jdsNFFo8Fm0o97lzbw+Zx9s4ORo++LasY A1ijGhhtMlITU1KLFFLzkvNTMvPSbZW8g+Od403NDAx1DS0tzJUU8hJzU22VXHwCdN0yc4Du UFIoS8wpBQoFJBYXK+nbYZoQGuKmawHTGKHrGxIE12NkgAYS1jBmfLz5kb3ggHbF3fceDYyX lbsYOTkkBEwkTh3Zywxhi0lcuLeerYuRi0NIYDqjxPmDR5ggnIlMElcmnGcCqWITMJLYenIa I4gtIiAh8av/KiNIEbNAD6PEpnvb2EESwgLWEqvuTwVrYBFQlfh1ZS1YA6+Ah8STc/NYINYp SByb+pUVxOYU8JRoenAU7AwhoJpXR/qZJjDyLmBkWMUomlqQXFCclJ5rpFecmFtcmpeul5yf u4kRHEfPpHcwrmqwOMQowMGoxMMrYXUlUIg1say4MvcQowQHs5IIrxPH1UAh3pTEyqrUovz4 otKc1OJDjMlAV01klhJNzgfGeF5JvKGxibmpsamliYWJmSVpwkrivAdbrQOFBNITS1KzU1ML UotgtjBxcEo1MG4wWBe7Uvn3xiPLngpf7fvRwz+Hw19n9Tn/TQ5aLxjfP6+bGXe3/tByN/Zf 81/sY9y82MvIJOLCzozXDZFCgV2+5z6tY3W1OhFusGlx81pLg+BqyRcqB1eVcT931MzTn/zv 13urqrR773P3T+s+nMV4LajrzbriydIRxrJOs3p/2wlEyNxp2aDEUpyRaKjFXFScCADOQaRQ 5wIAAA== DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected X-Gm-Message-State: ALoCoQnHrgSv/0X1jlw4Wdi3YB/pkK6zU6sDHkKxEoc5YX2zQnOzlmA2f3WppJN5Zd1Gz3thzxh2 X-Original-Sender: rajeshwari.s@samsung.com X-Original-Authentication-Results: mx.google.com; spf=neutral (google.com: 209.85.128.169 is neither permitted nor denied by best guess record for domain of patch+caf_=patchwork-forward=linaro.org@linaro.org) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Precedence: list Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org List-ID: X-Google-Group-Id: 836684582541 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , This patch configures the gpio values for UART on Origen and SMDKV310 using pinmux Signed-off-by: Rajeshwari Shinde Acked-by: Simon Glass --- Changes in V2: - None Changes in V3: - None Changes in V4: - None arch/arm/cpu/armv7/exynos/pinmux.c | 40 +++++++++++++++++++++++++++++++ board/samsung/origen/origen.c | 46 ++++++++++++++++++++++++++++++++++++ board/samsung/smdkv310/smdkv310.c | 46 ++++++++++++++++++++++++++++++++++++ include/configs/origen.h | 1 + include/configs/smdkv310.h | 1 + 5 files changed, 134 insertions(+), 0 deletions(-) diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c index bd499b4..2042062 100644 --- a/arch/arm/cpu/armv7/exynos/pinmux.c +++ b/arch/arm/cpu/armv7/exynos/pinmux.c @@ -408,9 +408,49 @@ static int exynos4_mmc_config(int peripheral, int flags) return 0; } +static void exynos4_uart_config(int peripheral) +{ + struct exynos4_gpio_part1 *gpio1 = + (struct exynos4_gpio_part1 *)samsung_get_base_gpio_part1(); + struct s5p_gpio_bank *bank; + int i, start, count; + + switch (peripheral) { + case PERIPH_ID_UART0: + bank = &gpio1->a0; + start = 0; + count = 4; + break; + case PERIPH_ID_UART1: + bank = &gpio1->a0; + start = 4; + count = 4; + break; + case PERIPH_ID_UART2: + bank = &gpio1->a1; + start = 0; + count = 4; + break; + case PERIPH_ID_UART3: + bank = &gpio1->a1; + start = 4; + count = 2; + break; + } + for (i = start; i < start + count; i++) { + s5p_gpio_set_pull(bank, i, GPIO_PULL_NONE); + s5p_gpio_cfg_pin(bank, i, GPIO_FUNC(0x2)); + } +} static int exynos4_pinmux_config(int peripheral, int flags) { switch (peripheral) { + case PERIPH_ID_UART0: + case PERIPH_ID_UART1: + case PERIPH_ID_UART2: + case PERIPH_ID_UART3: + exynos4_uart_config(peripheral); + break; case PERIPH_ID_I2C0: case PERIPH_ID_I2C1: case PERIPH_ID_I2C2: diff --git a/board/samsung/origen/origen.c b/board/samsung/origen/origen.c index 638e7b1..b7dbb91 100644 --- a/board/samsung/origen/origen.c +++ b/board/samsung/origen/origen.c @@ -25,6 +25,8 @@ #include #include #include +#include +#include DECLARE_GLOBAL_DATA_PTR; struct exynos4_gpio_part1 *gpio1; @@ -39,6 +41,50 @@ int board_init(void) return 0; } +static int board_uart_init(void) +{ + int err; + + err = exynos_pinmux_config(PERIPH_ID_UART0, PINMUX_FLAG_NONE); + if (err) { + debug("UART0 not configured\n"); + return err; + } + + err = exynos_pinmux_config(PERIPH_ID_UART1, PINMUX_FLAG_NONE); + if (err) { + debug("UART1 not configured\n"); + return err; + } + + err = exynos_pinmux_config(PERIPH_ID_UART2, PINMUX_FLAG_NONE); + if (err) { + debug("UART2 not configured\n"); + return err; + } + + err = exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE); + if (err) { + debug("UART3 not configured\n"); + return err; + } + + return 0; +} + +#ifdef CONFIG_BOARD_EARLY_INIT_F +int board_early_init_f(void) +{ + int err; + err = board_uart_init(); + if (err) { + debug("UART init failed\n"); + return err; + } + return err; +} +#endif + int dram_init(void) { gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE) diff --git a/board/samsung/smdkv310/smdkv310.c b/board/samsung/smdkv310/smdkv310.c index 81ac8f6..015b920 100644 --- a/board/samsung/smdkv310/smdkv310.c +++ b/board/samsung/smdkv310/smdkv310.c @@ -26,6 +26,8 @@ #include #include #include +#include +#include #include DECLARE_GLOBAL_DATA_PTR; @@ -137,3 +139,47 @@ int board_mmc_init(bd_t *bis) return err; } #endif + +static int board_uart_init(void) +{ + int err; + + err = exynos_pinmux_config(PERIPH_ID_UART0, PINMUX_FLAG_NONE); + if (err) { + debug("UART0 not configured\n"); + return err; + } + + err = exynos_pinmux_config(PERIPH_ID_UART1, PINMUX_FLAG_NONE); + if (err) { + debug("UART1 not configured\n"); + return err; + } + + err = exynos_pinmux_config(PERIPH_ID_UART2, PINMUX_FLAG_NONE); + if (err) { + debug("UART2 not configured\n"); + return err; + } + + err = exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE); + if (err) { + debug("UART3 not configured\n"); + return err; + } + + return 0; +} + +#ifdef CONFIG_BOARD_EARLY_INIT_F +int board_early_init_f(void) +{ + int err; + err = board_uart_init(); + if (err) { + debug("UART init failed\n"); + return err; + } + return err; +} +#endif diff --git a/include/configs/origen.h b/include/configs/origen.h index e179911..f71a463 100644 --- a/include/configs/origen.h +++ b/include/configs/origen.h @@ -36,6 +36,7 @@ #define CONFIG_ARCH_CPU_INIT #define CONFIG_DISPLAY_CPUINFO #define CONFIG_DISPLAY_BOARDINFO +#define CONFIG_BOARD_EARLY_INIT_F /* Keep L2 Cache Disabled */ #define CONFIG_L2_OFF 1 diff --git a/include/configs/smdkv310.h b/include/configs/smdkv310.h index 5e43066..db78127 100644 --- a/include/configs/smdkv310.h +++ b/include/configs/smdkv310.h @@ -36,6 +36,7 @@ #define CONFIG_ARCH_CPU_INIT #define CONFIG_DISPLAY_CPUINFO #define CONFIG_DISPLAY_BOARDINFO +#define CONFIG_BOARD_EARLY_INIT_F /* Mach Type */ #define CONFIG_MACH_TYPE MACH_TYPE_SMDKV310