From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752831AbcF2NlY (ORCPT ); Wed, 29 Jun 2016 09:41:24 -0400 Received: from mail1.asahi-net.or.jp ([202.224.39.197]:60614 "EHLO mail1.asahi-net.or.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752015AbcF2NlV (ORCPT ); Wed, 29 Jun 2016 09:41:21 -0400 From: Yoshinori Sato To: linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Yoshinori Sato Subject: [PATCH v4 10/22] sh: Add board specific initialize of of-generic Date: Wed, 29 Jun 2016 22:40:55 +0900 Message-Id: <1467207667-15768-11-git-send-email-ysato@users.sourceforge.jp> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1467207667-15768-1-git-send-email-ysato@users.sourceforge.jp> References: <1467207667-15768-1-git-send-email-ysato@users.sourceforge.jp> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Changes v4 none 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..709006a 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 = "I/O DATA 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) -- 2.7.0