From patchwork Thu Feb 9 11:26:19 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chander Kashyap X-Patchwork-Id: 6721 Return-Path: X-Original-To: patchwork@peony.canonical.com Delivered-To: patchwork@peony.canonical.com Received: from fiordland.canonical.com (fiordland.canonical.com [91.189.94.145]) by peony.canonical.com (Postfix) with ESMTP id ED99323EAC for ; Thu, 9 Feb 2012 11:26:53 +0000 (UTC) Received: from mail-yx0-f180.google.com (mail-yx0-f180.google.com [209.85.213.180]) by fiordland.canonical.com (Postfix) with ESMTP id A7531A1825B for ; Thu, 9 Feb 2012 11:26:53 +0000 (UTC) Received: by yenr11 with SMTP id r11so926495yen.11 for ; Thu, 09 Feb 2012 03:26:53 -0800 (PST) Received: by 10.50.15.231 with SMTP id a7mr2109325igd.8.1328786813018; Thu, 09 Feb 2012 03:26:53 -0800 (PST) X-Forwarded-To: linaro-patchwork@canonical.com X-Forwarded-For: patch@linaro.org linaro-patchwork@canonical.com Delivered-To: patches@linaro.org Received: by 10.231.12.131 with SMTP id x3cs36621ibx; Thu, 9 Feb 2012 03:26:52 -0800 (PST) Received: by 10.50.178.73 with SMTP id cw9mr2099336igc.23.1328786812487; Thu, 09 Feb 2012 03:26:52 -0800 (PST) Received: from mail-iy0-f178.google.com (mail-iy0-f178.google.com [209.85.210.178]) by mx.google.com with ESMTPS id d6si1562729icx.60.2012.02.09.03.26.51 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 09 Feb 2012 03:26:52 -0800 (PST) Received-SPF: neutral (google.com: 209.85.210.178 is neither permitted nor denied by best guess record for domain of chander.kashyap@linaro.org) client-ip=209.85.210.178; Authentication-Results: mx.google.com; spf=neutral (google.com: 209.85.210.178 is neither permitted nor denied by best guess record for domain of chander.kashyap@linaro.org) smtp.mail=chander.kashyap@linaro.org Received: by iage36 with SMTP id e36so2952404iag.37 for ; Thu, 09 Feb 2012 03:26:51 -0800 (PST) MIME-Version: 1.0 Received: by 10.50.169.5 with SMTP id aa5mr29744079igc.17.1328786811772; Thu, 09 Feb 2012 03:26:51 -0800 (PST) Received: from localhost.localdomain ([115.113.119.130]) by mx.google.com with ESMTPS id r18sm4852878ibh.4.2012.02.09.03.26.46 (version=SSLv3 cipher=OTHER); Thu, 09 Feb 2012 03:26:50 -0800 (PST) From: Chander Kashyap To: u-boot@lists.denx.de Cc: mk7.kang@samsung.com, bjlee@samsung.com, patches@linaro.org, samsung@lists.linaro.org, linaro-dev@lists.linaro.org, Chander Kashyap Subject: [PATCH v2] SMDK5250: Add ethernet support Date: Thu, 9 Feb 2012 16:56:19 +0530 Message-Id: <1328786779-21865-1-git-send-email-chander.kashyap@linaro.org> X-Mailer: git-send-email 1.7.5.4 X-Gm-Message-State: ALoCoQlRV0ITbiO0N9uKbLj0lzTBY5RXZSLegQm3wFo6gq3JFxwyRRdct/FQ4ctrEelqVXZsYJg2 This patch enable support for SMC911X based ethernet device. Signed-off-by: Chander Kashyap Acked-by: Mike Frysinger Acked-by: Simon Glass --- Changes in v2: - As Simon pointed smc9115_pre_init() is moved inside in board_eth_init() in smc911x_initialize - Removed CONFIG_ETHADDR and CONFIG_NET_MULTI defines. board/samsung/smdk5250/smdk5250.c | 94 +++++++++++++++++++++++++++++++++++++ include/configs/smdk5250.h | 11 ++++- 2 files changed, 103 insertions(+), 2 deletions(-) diff --git a/board/samsung/smdk5250/smdk5250.c b/board/samsung/smdk5250/smdk5250.c index 04c863a..928c08f 100644 --- a/board/samsung/smdk5250/smdk5250.c +++ b/board/samsung/smdk5250/smdk5250.c @@ -31,6 +31,91 @@ DECLARE_GLOBAL_DATA_PTR; struct exynos5_gpio_part1 *gpio1; +#ifdef CONFIG_SMC911X +static void smc9115_pre_init(void) +{ + u32 smc_bw_conf, smc_bc_conf; + int i; + + /* + * SROM:CS1 and EBI + * + * GPY0[0] SROM_CSn[0] + * GPY0[1] SROM_CSn[1](2) + * GPY0[2] SROM_CSn[2] + * GPY0[3] SROM_CSn[3] + * GPY0[4] EBI_OEn(2) + * GPY0[5] EBI_EEn(2) + * + * GPY1[0] EBI_BEn[0](2) + * GPY1[1] EBI_BEn[1](2) + * GPY1[2] SROM_WAIT(2) + * GPY1[3] EBI_DATA_RDn(2) + */ + s5p_gpio_cfg_pin(&gpio1->y0, CONFIG_ENV_SROM_BANK, GPIO_FUNC(2)); + s5p_gpio_cfg_pin(&gpio1->y0, 4, GPIO_FUNC(2)); + s5p_gpio_cfg_pin(&gpio1->y0, 5, GPIO_FUNC(2)); + + for (i = 0; i < 4; i++) + s5p_gpio_cfg_pin(&gpio1->y1, i, GPIO_FUNC(2)); + + /* + * EBI: 8 Addrss Lines + * + * GPY3[0] EBI_ADDR[0](2) + * GPY3[1] EBI_ADDR[1](2) + * GPY3[2] EBI_ADDR[2](2) + * GPY3[3] EBI_ADDR[3](2) + * GPY3[4] EBI_ADDR[4](2) + * GPY3[5] EBI_ADDR[5](2) + * GPY3[6] EBI_ADDR[6](2) + * GPY3[7] EBI_ADDR[7](2) + * + * EBI: 16 Data Lines + * + * GPY5[0] EBI_DATA[0](2) + * GPY5[1] EBI_DATA[1](2) + * GPY5[2] EBI_DATA[2](2) + * GPY5[3] EBI_DATA[3](2) + * GPY5[4] EBI_DATA[4](2) + * GPY5[5] EBI_DATA[5](2) + * GPY5[6] EBI_DATA[6](2) + * GPY5[7] EBI_DATA[7](2) + * + * GPY6[0] EBI_DATA[8](2) + * GPY6[1] EBI_DATA[9](2) + * GPY6[2] EBI_DATA[10](2) + * GPY6[3] EBI_DATA[11](2) + * GPY6[4] EBI_DATA[12](2) + * GPY6[5] EBI_DATA[13](2) + * GPY6[6] EBI_DATA[14](2) + * GPY6[7] EBI_DATA[15](2) + */ + for (i = 0; i < 8; i++) { + s5p_gpio_cfg_pin(&gpio1->y3, i, GPIO_FUNC(2)); + s5p_gpio_set_pull(&gpio1->y3, i, GPIO_PULL_UP); + + s5p_gpio_cfg_pin(&gpio1->y5, i, GPIO_FUNC(2)); + s5p_gpio_set_pull(&gpio1->y5, i, GPIO_PULL_UP); + + s5p_gpio_cfg_pin(&gpio1->y6, i, GPIO_FUNC(2)); + s5p_gpio_set_pull(&gpio1->y6, i, GPIO_PULL_UP); + } + + /* Ethernet needs data bus width of 16 bits */ + smc_bw_conf = SROMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK) + | SROMC_BYTE_ENABLE(CONFIG_ENV_SROM_BANK); + + smc_bc_conf = SROMC_BC_TACS(0x01) | SROMC_BC_TCOS(0x01) + | SROMC_BC_TACC(0x06) | SROMC_BC_TCOH(0x01) + | SROMC_BC_TAH(0x0C) | SROMC_BC_TACP(0x09) + | SROMC_BC_PMC(0x01); + + /* Select and configure the SROMC bank */ + s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf); +} +#endif + int board_init(void) { gpio1 = (struct exynos5_gpio_part1 *) samsung_get_base_gpio_part1(); @@ -80,6 +165,15 @@ void dram_init_banksize(void) PHYS_SDRAM_8_SIZE); } +int board_eth_init(bd_t *bis) +{ +#ifdef CONFIG_SMC911X + smc9115_pre_init(); + return smc911x_initialize(0, CONFIG_SMC911X_BASE); +#endif + return 0; +} + #ifdef CONFIG_DISPLAY_BOARDINFO int checkboard(void) { diff --git a/include/configs/smdk5250.h b/include/configs/smdk5250.h index f54d7ac..9659f9e 100644 --- a/include/configs/smdk5250.h +++ b/include/configs/smdk5250.h @@ -96,8 +96,7 @@ #define CONFIG_CMD_MMC #define CONFIG_CMD_EXT2 #define CONFIG_CMD_FAT -#undef CONFIG_CMD_NET -#undef CONFIG_CMD_NFS +#define CONFIG_CMD_NET #define CONFIG_BOOTDELAY 3 #define CONFIG_ZERO_BOOTDELAY_CHECK @@ -191,6 +190,14 @@ #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_LOAD_ADDR - 0x1000000) +/* Ethernet Controllor Driver */ +#ifdef CONFIG_CMD_NET +#define CONFIG_SMC911X +#define CONFIG_SMC911X_BASE 0x5000000 +#define CONFIG_SMC911X_16_BIT +#define CONFIG_ENV_SROM_BANK 1 +#endif /*CONFIG_CMD_NET*/ + /* Enable devicetree support */ #define CONFIG_OF_LIBFDT