From patchwork Sun Jul 3 16:46:30 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yoshinori Sato X-Patchwork-Id: 9211327 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id A990B60752 for ; Sun, 3 Jul 2016 16:51:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9B6CB285C4 for ; Sun, 3 Jul 2016 16:51:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 906DB285E8; Sun, 3 Jul 2016 16:51:47 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 982EA285C4 for ; Sun, 3 Jul 2016 16:51:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752905AbcGCQrU (ORCPT ); Sun, 3 Jul 2016 12:47:20 -0400 Received: from mail1.asahi-net.or.jp ([202.224.39.197]:9812 "EHLO mail1.asahi-net.or.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752845AbcGCQrD (ORCPT ); Sun, 3 Jul 2016 12:47:03 -0400 Received: from sa76r4 (y081184.ppp.asahi-net.or.jp [118.243.81.184]) by mail1.asahi-net.or.jp (Postfix) with ESMTP id 8D4CEE5DF; Mon, 4 Jul 2016 01:47:01 +0900 (JST) Received: from localhost (localhost [127.0.0.1]) by sa76r4 (Postfix) with ESMTP id 8386F3815; Mon, 4 Jul 2016 01:47:01 +0900 (JST) X-Virus-Scanned: Debian amavisd-new at sa76r4.localdomain Received: from sa76r4 ([127.0.0.1]) by localhost (sa76r4.localdomain [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id EI2BTLe5tH5k; Mon, 4 Jul 2016 01:47:01 +0900 (JST) Received: by sa76r4 (Postfix, from userid 1000) id 68B1C7803; Mon, 4 Jul 2016 01:47:01 +0900 (JST) From: Yoshinori Sato To: linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Yoshinori Sato Subject: [PATCH v5 10/22] sh: Add board specific initialize of of-generic Date: Mon, 4 Jul 2016 01:46:30 +0900 Message-Id: <1467564402-2649-11-git-send-email-ysato@users.sourceforge.jp> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1467564402-2649-1-git-send-email-ysato@users.sourceforge.jp> References: <1467564402-2649-1-git-send-email-ysato@users.sourceforge.jp> Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Yoshinori Sato --- arch/sh/boards/of-generic.c | 64 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) diff --git a/arch/sh/boards/of-generic.c b/arch/sh/boards/of-generic.c index 2d3cda3..4038682 100644 --- a/arch/sh/boards/of-generic.c +++ b/arch/sh/boards/of-generic.c @@ -16,9 +16,15 @@ #include #include #include +#include #include #include +struct model_setup { + char *name; + void (*fn)(void); +}; + #ifdef CONFIG_SMP static void dummy_smp_setup(void) @@ -125,10 +131,61 @@ static void __init sh_of_time_init(void) clocksource_probe(); } +#define PA_LED 0xb0000001 /* LED Control Register */ +#define PA_SHUTDOWN 0xb0000003 /* Shutdown Control Register */ +static void landisk_power_off(void) +{ + __raw_writeb(0x01, PA_SHUTDOWN); +} + +static void __init landisk_setup(void) +{ + /* LED ON */ + __raw_writeb(__raw_readb(PA_LED) | 0x03, PA_LED); + pm_power_off = landisk_power_off; +} + +#define PA_POWOFF 0xa4000030 /* Board Power OFF control */ +#define PA_OUTPORT 0xa4000036 /* LED control */ +static void rts7751r2d_power_off(void) +{ + __raw_writew(0x0001, PA_POWOFF); +} + +static void __init r2dplus_setup(void) +{ + void __iomem *sm501_reg; + + __raw_writew(0x0000, PA_OUTPORT); + pm_power_off = rts7751r2d_power_off; + + /* sm501 dram configuration: + * ColSizeX = 11 - External Memory Column Size: 256 words. + * APX = 1 - External Memory Active to Pre-Charge Delay: 7 clocks. + * RstX = 1 - External Memory Reset: Normal. + * Rfsh = 1 - Local Memory Refresh to Command Delay: 12 clocks. + * BwC = 1 - Local Memory Block Write Cycle Time: 2 clocks. + * BwP = 1 - Local Memory Block Write to Pre-Charge Delay: 1 clock. + * AP = 1 - Internal Memory Active to Pre-Charge Delay: 7 clocks. + * Rst = 1 - Internal Memory Reset: Normal. + * RA = 1 - Internal Memory Remain in Active State: Do not remain. + */ + + sm501_reg = (void __iomem *)0xb3e00000 + SM501_DRAM_CONTROL; + writel(readl(sm501_reg) | 0x00f107c0, sm501_reg); +} + +static const struct model_setup model_setup_table[] __initconst = { + { .name = "iodata,HDL-U", .fn = landisk_setup, }, + { .name = "renesas,RTS7751R2D+", .fn = r2dplus_setup, }, + {}, +}; + static void __init sh_of_setup(char **cmdline_p) { struct device_node *root; struct device_node *cpu; + const struct model_setup *setup; u32 freq; board_time_init = sh_of_time_init; @@ -145,6 +202,13 @@ static void __init sh_of_setup(char **cmdline_p) cpu = of_find_node_by_name(NULL, "cpu"); if (!of_property_read_u32(cpu, "clock-frequency", &freq)) preset_lpj = freq / CONFIG_HZ / 2; + + for (setup = model_setup_table; setup->name; setup++) { + if (strcmp(setup->name, sh_mv.mv_name) == 0) { + setup->fn(); + break; + } + } } static int sh_of_irq_demux(int irq)