From patchwork Wed Sep 11 10:01:19 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rajeshwari Birje X-Patchwork-Id: 274220 X-Patchwork-Delegate: promsoft@gmail.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id 83C6C2C0126 for ; Wed, 11 Sep 2013 20:01:59 +1000 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 858594A097; Wed, 11 Sep 2013 12:01:35 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id X0ucl7txkNP2; Wed, 11 Sep 2013 12:01:35 +0200 (CEST) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 0AA9C4A0D5; Wed, 11 Sep 2013 12:00:21 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 3B6FA4A08B for ; Wed, 11 Sep 2013 12:00:12 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id V14gs7NfsYGB for ; Wed, 11 Sep 2013 12:00:06 +0200 (CEST) X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 (only DNSBL check requested) Received: from mailout4.samsung.com (mailout4.samsung.com [203.254.224.34]) by theia.denx.de (Postfix) with ESMTP id DEDEB4A08A for ; Wed, 11 Sep 2013 12:00:00 +0200 (CEST) Received: from epcpsbgr3.samsung.com (u143.gpu120.samsung.co.kr [203.254.230.143]) by mailout4.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MSY00791H3H56L0@mailout4.samsung.com> for u-boot@lists.denx.de; Wed, 11 Sep 2013 18:59:53 +0900 (KST) Received: from epcpsbgm2.samsung.com ( [172.20.52.125]) by epcpsbgr3.samsung.com (EPCPMTA) with SMTP id 4C.AB.20109.81F30325; Wed, 11 Sep 2013 18:59:52 +0900 (KST) X-AuditID: cbfee68f-b7f1e6d000004e8d-7a-52303f18027a Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id 48.DD.05832.81F30325; Wed, 11 Sep 2013 18:59:52 +0900 (KST) Received: from localhost.localdomain.com ([107.108.73.95]) by mmp2.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0MSY0040PH3CE280@mmp2.samsung.com>; Wed, 11 Sep 2013 18:59:52 +0900 (KST) From: Rajeshwari S Shinde To: u-boot@lists.denx.de Date: Wed, 11 Sep 2013 15:31:19 +0530 Message-id: <1378893684-27733-8-git-send-email-rajeshwari.s@samsung.com> X-Mailer: git-send-email 1.7.11.7 In-reply-to: <1378893684-27733-1-git-send-email-rajeshwari.s@samsung.com> References: <1378893684-27733-1-git-send-email-rajeshwari.s@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmpjkeLIzCtJLcpLzFFi42JZI2JSqythbxBk8G6WqsWpP48ZLR7M28Zm 8XD9TRaLjiMtjBa7bk9msZhy+AuLxbct2xgtlr/eyG7xdm8nuwOnx7yfE5k8ZjdcZPFYsKnU 4861PWweZ+/sYPTo27KKMYAtissmJTUnsyy1SN8ugStjd9ddtoLfthVb7x9lbGCcYNTFyMkh IWAiMf3QFCYIW0ziwr31bF2MXBxCAksZJfZcW8EGUzSpt5UVIjGdUWLnxulQVV1MEq8/rmHp YuTgYAOq2ngiAaRBREBC4lf/VUaQGmaBW4wSl769ZwFJCAv4SixpuwA2lUVAVeLTxd+MIDav gIfE5WPf2SG2KUrMWPIMLM4p4CnReqYRLC4EVPN0+0Z2kKESAtvYJQ60PGOGGCQg8W3yIbAj JARkJTYdYIaYIylxcMUNlgmMwgsYGVYxiqYWJBcUJ6UXGesVJ+YWl+al6yXn525iBMbB6X/P +ncw3j1gfYgxGWjcRGYp0eR8YBzllcQbGpsZWZiamBobmVuakSasJM6r1mIdKCSQnliSmp2a WpBaFF9UmpNafIiRiYNTqoHxkNAc2//SDPaawmdaFtnX85zfvkBdcYtUYvbJWcpyWa81IgS4 rmupJ7/k49R6/70+9MHU1MSzrUl2Wzunq0zqUrV+/iH4tZo612EOg9le879bXxCcvs9jQVy2 jcqMqfe9crLPB70UWsu4WNHRkNe76WvUEn6Rjsm9aUaC+Qbr9oQl2xhmhSuxFGckGmoxFxUn AgD7Sd4FmQIAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrMIsWRmVeSWpSXmKPExsVy+t9jQV0Je4Mgg6bfEhan/jxmtHgwbxub xcP1N1ksOo60MFrsuj2ZxWLK4S8sFt+2bGO0WP56I7vF272d7A6cHvN+TmTymN1wkcVjwaZS jzvX9rB5nL2zg9Gjb8sqxgC2qAZGm4zUxJTUIoXUvOT8lMy8dFsl7+B453hTMwNDXUNLC3Ml hbzE3FRbJRefAF23zBygs5QUyhJzSoFCAYnFxUr6dpgmhIa46VrANEbo+oYEwfUYGaCBhDWM Gbu77rIV/Lat2Hr/KGMD4wSjLkZODgkBE4lJva2sELaYxIV769m6GLk4hASmM0rs3Dgdyuli knj9cQ1LFyMHBxtQx8YTCSANIgISEr/6rzKC1DAL3GKUuPTtPQtIQljAV2JJ2wU2EJtFQFXi 08XfjCA2r4CHxOVj39khtilKzFjyDCzOKeAp0XqmESwuBFTzdPtG9gmMvAsYGVYxiqYWJBcU J6XnGukVJ+YWl+al6yXn525iBEfZM+kdjKsaLA4xCnAwKvHw3pDTDxJiTSwrrsw9xCjBwawk wvvA1CBIiDclsbIqtSg/vqg0J7X4EGMy0FUTmaVEk/OBCSCvJN7Q2MTc1NjU0sTCxMySNGEl cd6DrdaBQgLpiSWp2ampBalFMFuYODilGhij/yxd53plzrGL7+T3ukutbjNw5vTfnB2z5OnZ z1aMl75de377ePM1YQOtJ1s/scdsN571MHzSiRU1Ey3i/57tOBJXoPhj5++iwIN2c7e8exjs wce69lK9U3pyn3fBidetp1cvctVwfhC+6L3gxspy7Zn32G5m9u96fu7khACxjRkKbww7uM2a lFiKMxINtZiLihMBRb0CNPYCAAA= DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Cc: u-boot-review@google.com, patches@linaro.org, panto@antoniou-consulting.com, alim.akhtar@samsung.com Subject: [U-Boot] [PATCH 07/12 V3] Exynos5420: Add support for 5420 in pinmux and gpio X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.11 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de From: Akshay Saraswat Adds code in pinmux and gpio framework to support Exynos5420. Signed-off-by: Rajeshwari S Shinde Signed-off-by: Akshay Saraswat Acked-by: Simon Glass --- Changes in V2: - None Changes in V3: - None arch/arm/cpu/armv7/exynos/pinmux.c | 171 +++++++++++++++++++++++++++++++- arch/arm/include/asm/arch-exynos/gpio.h | 52 ++++++++++ 2 files changed, 220 insertions(+), 3 deletions(-) diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c index 1b05ebf..0382176 100644 --- a/arch/arm/cpu/armv7/exynos/pinmux.c +++ b/arch/arm/cpu/armv7/exynos/pinmux.c @@ -46,6 +46,41 @@ static void exynos5_uart_config(int peripheral) } } +static void exynos5420_uart_config(int peripheral) +{ + struct exynos5420_gpio_part1 *gpio1 = + (struct exynos5420_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 exynos5_mmc_config(int peripheral, int flags) { struct exynos5_gpio_part1 *gpio1 = @@ -101,6 +136,62 @@ static int exynos5_mmc_config(int peripheral, int flags) return 0; } +static int exynos5420_mmc_config(int peripheral, int flags) +{ + struct exynos5420_gpio_part3 *gpio3 = + (struct exynos5420_gpio_part3 *)samsung_get_base_gpio_part3(); + struct s5p_gpio_bank *bank = NULL, *bank_ext = NULL; + int i, start = 0, gpio_func = 0; + + switch (peripheral) { + case PERIPH_ID_SDMMC0: + bank = &gpio3->c0; + bank_ext = &gpio3->c3; + start = 0; + gpio_func = GPIO_FUNC(0x2); + break; + case PERIPH_ID_SDMMC1: + bank = &gpio3->c1; + bank_ext = &gpio3->d1; + start = 4; + gpio_func = GPIO_FUNC(0x2); + break; + case PERIPH_ID_SDMMC2: + bank = &gpio3->c2; + bank_ext = NULL; + gpio_func = GPIO_FUNC(0x2); + break; + } + if ((flags & PINMUX_FLAG_8BIT_MODE) && !bank_ext) { + debug("SDMMC device %d does not support 8bit mode", + peripheral); + return -1; + } + if (flags & PINMUX_FLAG_8BIT_MODE) { + for (i = start; i <= (start + 3); i++) { + s5p_gpio_cfg_pin(bank_ext, i, gpio_func); + s5p_gpio_set_pull(bank_ext, i, GPIO_PULL_UP); + s5p_gpio_set_drv(bank_ext, i, GPIO_DRV_4X); + } + } + for (i = 0; i < 3; i++) { + s5p_gpio_cfg_pin(bank, i, GPIO_FUNC(0x2)); + s5p_gpio_set_pull(bank, i, GPIO_PULL_NONE); + s5p_gpio_set_drv(bank, i, GPIO_DRV_4X); + } + + if (peripheral == PERIPH_ID_SDMMC0) + s5p_gpio_set_pull(bank, 2, GPIO_PULL_UP); + + for (i = 3; i <= 6; i++) { + s5p_gpio_cfg_pin(bank, i, GPIO_FUNC(0x2)); + s5p_gpio_set_pull(bank, i, GPIO_PULL_UP); + s5p_gpio_set_drv(bank, i, GPIO_DRV_4X); + } + + return 0; +} + static void exynos5_sromc_config(int flags) { struct exynos5_gpio_part1 *gpio1 = @@ -269,6 +360,49 @@ void exynos5_spi_config(int peripheral) } } +void exynos5420_spi_config(int peripheral) +{ + int cfg = 0, pin = 0, i; + struct s5p_gpio_bank *bank = NULL; + struct exynos5420_gpio_part1 *gpio1 = + (struct exynos5420_gpio_part1 *)samsung_get_base_gpio_part1(); + struct exynos5420_gpio_part4 *gpio4 = + (struct exynos5420_gpio_part4 *)samsung_get_base_gpio_part4(); + + switch (peripheral) { + case PERIPH_ID_SPI0: + bank = &gpio1->a2; + cfg = GPIO_FUNC(0x2); + pin = 0; + break; + case PERIPH_ID_SPI1: + bank = &gpio1->a2; + cfg = GPIO_FUNC(0x2); + pin = 4; + break; + case PERIPH_ID_SPI2: + bank = &gpio1->b1; + cfg = GPIO_FUNC(0x5); + pin = 1; + break; + case PERIPH_ID_SPI3: + bank = &gpio4->f1; + cfg = GPIO_FUNC(0x2); + pin = 0; + break; + case PERIPH_ID_SPI4: + for (i = 0; i < 2; i++) { + s5p_gpio_cfg_pin(&gpio4->f0, i + 2, GPIO_FUNC(0x4)); + s5p_gpio_cfg_pin(&gpio4->e0, i + 4, GPIO_FUNC(0x4)); + } + break; + } + if (peripheral != PERIPH_ID_SPI4) { + for (i = pin; i < pin + 4; i++) + s5p_gpio_cfg_pin(bank, i, cfg); + } +} + static int exynos5_pinmux_config(int peripheral, int flags) { switch (peripheral) { @@ -314,6 +448,35 @@ static int exynos5_pinmux_config(int peripheral, int flags) return 0; } +static int exynos5420_pinmux_config(int peripheral, int flags) +{ + switch (peripheral) { + case PERIPH_ID_UART0: + case PERIPH_ID_UART1: + case PERIPH_ID_UART2: + case PERIPH_ID_UART3: + exynos5420_uart_config(peripheral); + break; + case PERIPH_ID_SDMMC0: + case PERIPH_ID_SDMMC1: + case PERIPH_ID_SDMMC2: + case PERIPH_ID_SDMMC3: + return exynos5420_mmc_config(peripheral, flags); + case PERIPH_ID_SPI0: + case PERIPH_ID_SPI1: + case PERIPH_ID_SPI2: + case PERIPH_ID_SPI3: + case PERIPH_ID_SPI4: + exynos5420_spi_config(peripheral); + break; + default: + debug("%s: invalid peripheral %d", __func__, peripheral); + return -1; + } + + return 0; +} + static void exynos4_i2c_config(int peripheral, int flags) { struct exynos4_gpio_part1 *gpio1 = @@ -463,11 +626,13 @@ static int exynos4_pinmux_config(int peripheral, int flags) int exynos_pinmux_config(int peripheral, int flags) { - if (cpu_is_exynos5()) + if (cpu_is_exynos5()) { + if (proid_is_exynos5420()) + return exynos5420_pinmux_config(peripheral, flags); return exynos5_pinmux_config(peripheral, flags); - else if (cpu_is_exynos4()) + } else if (cpu_is_exynos4()) { return exynos4_pinmux_config(peripheral, flags); - else { + } else { debug("pinmux functionality not supported\n"); return -1; } diff --git a/arch/arm/include/asm/arch-exynos/gpio.h b/arch/arm/include/asm/arch-exynos/gpio.h index a1a7439..f892933 100644 --- a/arch/arm/include/asm/arch-exynos/gpio.h +++ b/arch/arm/include/asm/arch-exynos/gpio.h @@ -127,6 +127,58 @@ struct exynos4x12_gpio_part4 { struct s5p_gpio_bank v4; }; +struct exynos5420_gpio_part1 { + struct s5p_gpio_bank a0; + struct s5p_gpio_bank a1; + struct s5p_gpio_bank a2; + struct s5p_gpio_bank b0; + struct s5p_gpio_bank b1; + struct s5p_gpio_bank b2; + struct s5p_gpio_bank b3; + struct s5p_gpio_bank b4; + struct s5p_gpio_bank h0; +}; + +struct exynos5420_gpio_part2 { + struct s5p_gpio_bank y7; /* 0x1340_0000 */ + struct s5p_gpio_bank res[0x5f]; /* */ + struct s5p_gpio_bank x0; /* 0x1340_0C00 */ + struct s5p_gpio_bank x1; /* 0x1340_0C20 */ + struct s5p_gpio_bank x2; /* 0x1340_0C40 */ + struct s5p_gpio_bank x3; /* 0x1340_0C60 */ +}; + +struct exynos5420_gpio_part3 { + struct s5p_gpio_bank c0; + struct s5p_gpio_bank c1; + struct s5p_gpio_bank c2; + struct s5p_gpio_bank c3; + struct s5p_gpio_bank c4; + struct s5p_gpio_bank d1; + struct s5p_gpio_bank y0; + struct s5p_gpio_bank y1; + struct s5p_gpio_bank y2; + struct s5p_gpio_bank y3; + struct s5p_gpio_bank y4; + struct s5p_gpio_bank y5; + struct s5p_gpio_bank y6; +}; + +struct exynos5420_gpio_part4 { + struct s5p_gpio_bank e0; /* 0x1400_0000 */ + struct s5p_gpio_bank e1; /* 0x1400_0020 */ + struct s5p_gpio_bank f0; /* 0x1400_0040 */ + struct s5p_gpio_bank f1; /* 0x1400_0060 */ + struct s5p_gpio_bank g0; /* 0x1400_0080 */ + struct s5p_gpio_bank g1; /* 0x1400_00A0 */ + struct s5p_gpio_bank g2; /* 0x1400_00C0 */ + struct s5p_gpio_bank j4; /* 0x1400_00E0 */ +}; + +struct exynos5420_gpio_part5 { + struct s5p_gpio_bank z0; /* 0x0386_0000 */ +}; + struct exynos5_gpio_part1 { struct s5p_gpio_bank a0; struct s5p_gpio_bank a1;