From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Wed, 29 Jun 2022 08:51:47 +0200 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1o6RY7-000whm-OB for lore@lore.pengutronix.de; Wed, 29 Jun 2022 08:51:47 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1o6RY9-0008Tc-Aj for lore@pengutronix.de; Wed, 29 Jun 2022 08:51:46 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From :Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=zYJU4Rq1Y+6soHcrbdSQ7Oxn/N01B0h3oS8mxBBObAY=; b=VDwXm7+NoFyCXpHmF2KJEZU1UM ffH8kjhkNHwXZ4G2ETFGbc2VQXCaXoo9kQPhOsNpxvFD6pQfp0DUOgFhB0q4TG6xGms+6NFl7dpzb F4SzbNCIr367srks/lqUYLMJTbWdDK425Viv9VJXzeSH+k22IvVxkWbWZSUiX1FxHoFSZ1Bx5lC7+ UHmc5VLHBdLajP6GIsfHQFfcotBG4tTgzOprrWCTXxyPza7ZZx8lhQGRbv0xVmEQOgeMzcov615Pl XTS89HZ04zjHk0/ckPbyf5pRZ1V43z2vyJ6R/5QlWWfNfkxhPwQArmpMHoQnijxI8gQwYkdbBqKNb umFKPE+A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o6RWm-009tYx-6J; Wed, 29 Jun 2022 06:50:20 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o6RWf-009tUM-Jb for barebox@lists.infradead.org; Wed, 29 Jun 2022 06:50:15 +0000 Received: from ptz.office.stw.pengutronix.de ([2a0a:edc0:0:900:1d::77] helo=[127.0.0.1]) by metis.ext.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1o6RWU-0007tP-9i; Wed, 29 Jun 2022 08:50:02 +0200 Message-ID: <31aa1db1-0802-a475-a406-7bf4fee5d036@pengutronix.de> Date: Wed, 29 Jun 2022 08:50:02 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.0 Content-Language: en-US To: Sam Ravnborg , barebox@lists.infradead.org References: <20220628203849.2785611-1-sam@ravnborg.org> <20220628203849.2785611-7-sam@ravnborg.org> From: Ahmad Fatoum In-Reply-To: <20220628203849.2785611-7-sam@ravnborg.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220628_235013_695491_6992F615 X-CRM114-Status: GOOD ( 29.53 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-3.7 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE, SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH v2 06/11] ARM: at91: Add at91sam9 xload_mmc for PBL use X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) On 28.06.22 22:38, Sam Ravnborg wrote: > Add xload support to at91sam9263 similar to what is already > present for the sama5d3. > The xload supports reading barebox.bin from a SDCARD from the > PBL and load the full barebox.bin and starts it. Reviewed-by: Ahmad Fatoum > > Signed-off-by: Sam Ravnborg > --- > arch/arm/mach-at91/Makefile | 1 + > arch/arm/mach-at91/at91sam9_xload_mmc.c | 118 ++++++++++++++++++++++++ > arch/arm/mach-at91/include/mach/xload.h | 4 + > 3 files changed, 123 insertions(+) > create mode 100644 arch/arm/mach-at91/at91sam9_xload_mmc.c > > diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile > index 12e64291b..b171d682f 100644 > --- a/arch/arm/mach-at91/Makefile > +++ b/arch/arm/mach-at91/Makefile > @@ -17,6 +17,7 @@ obj-y += at91sam9_reset.o > obj-y += at91sam9g45_reset.o > obj-pbl-$(CONFIG_HAVE_AT91_DDRAMC) += ddramc.o > pbl-$(CONFIG_AT91_MCI_PBL) += xload-mmc.o > +pbl-$(CONFIG_AT91_MCI_PBL) += at91sam9_xload_mmc.o > > obj-$(CONFIG_AT91SAM9_SMC) += sam9_smc.o > obj-$(CONFIG_HAVE_AT91SAM9_RST) += at91sam9_rst.o > diff --git a/arch/arm/mach-at91/at91sam9_xload_mmc.c b/arch/arm/mach-at91/at91sam9_xload_mmc.c > new file mode 100644 > index 000000000..64266757d > --- /dev/null > +++ b/arch/arm/mach-at91/at91sam9_xload_mmc.c > @@ -0,0 +1,118 @@ > +/* SPDX-License-Identifier: GPL-2.0-only */ > +/* SPDX-FileCopyrightText: 2022 Sam Ravnborg */ > + > +#include > +#include > +#include > + > +#include > +#include > + > +#include > +#include > +#include > +#include > +#include > +#include > +#include > + > +typedef void (*func)(int zero, int arch, void *params); > + > +/* > + * Load barebox.bin and start executing the first byte in the barebox image. > + * barebox.bin is loaded to AT91_CHIPSELECT_1. > + * > + * To be able to load barebox.bin do a minimal init of the pheriferals > + * used by MCI. > + * This functions runs in PBL code and uses the PBL variant of the > + * atmel_mci driver. > + */ > +void __noreturn sam9263_atmci_start_image(u32 mmc_id, unsigned int clock, > + bool slot_b) > +{ > + void __iomem *pio = IOMEM(AT91SAM9263_BASE_PIOA); > + void *buf = (void *)AT91_CHIPSELECT_1; > + void __iomem *base; > + struct pbl_bio bio; > + int ret; > + > + at91_pmc_enable_periph_clock(IOMEM(AT91SAM926X_BASE_PMC), AT91SAM9263_ID_PIOA); > + > + if (mmc_id == 0) { > + base = IOMEM(AT91SAM9263_BASE_MCI0); > + > + /* CLK */ > + at91_mux_pio_pin(pio, pin_to_mask(AT91_PIN_PA12), AT91_MUX_PERIPH_A, 0); > + > + if (!slot_b) { > + /* CMD */ > + at91_mux_pio_pin(pio, pin_to_mask(AT91_PIN_PA1), AT91_MUX_PERIPH_A, GPIO_PULL_UP); > + > + /* DAT0 to DAT3 */ > + at91_mux_pio_pin(pio, pin_to_mask(AT91_PIN_PA0), AT91_MUX_PERIPH_A, GPIO_PULL_UP); > + at91_mux_pio_pin(pio, pin_to_mask(AT91_PIN_PA3), AT91_MUX_PERIPH_A, GPIO_PULL_UP); > + at91_mux_pio_pin(pio, pin_to_mask(AT91_PIN_PA4), AT91_MUX_PERIPH_A, GPIO_PULL_UP); > + at91_mux_pio_pin(pio, pin_to_mask(AT91_PIN_PA5), AT91_MUX_PERIPH_A, GPIO_PULL_UP); > + } else { > + /* CMD */ > + at91_mux_pio_pin(pio, pin_to_mask(AT91_PIN_PA16), AT91_MUX_PERIPH_A, GPIO_PULL_UP); > + > + /* DAT0 to DAT3 */ > + at91_mux_pio_pin(pio, pin_to_mask(AT91_PIN_PA17), AT91_MUX_PERIPH_A, GPIO_PULL_UP); > + at91_mux_pio_pin(pio, pin_to_mask(AT91_PIN_PA18), AT91_MUX_PERIPH_A, GPIO_PULL_UP); > + at91_mux_pio_pin(pio, pin_to_mask(AT91_PIN_PA19), AT91_MUX_PERIPH_A, GPIO_PULL_UP); > + at91_mux_pio_pin(pio, pin_to_mask(AT91_PIN_PA20), AT91_MUX_PERIPH_A, GPIO_PULL_UP); > + } > + > + at91_pmc_enable_periph_clock(IOMEM(AT91SAM926X_BASE_PMC), AT91SAM9263_ID_MCI0); > + } else { > + base = IOMEM(AT91SAM9263_BASE_MCI1); > + > + /* CLK */ > + at91_mux_pio_pin(pio, pin_to_mask(AT91_PIN_PA6), AT91_MUX_PERIPH_A, 0); > + > + if (!slot_b) { > + /* CMD */ > + at91_mux_pio_pin(pio, pin_to_mask(AT91_PIN_PA7), AT91_MUX_PERIPH_A, GPIO_PULL_UP); > + > + /* DAT0 to DAT3 */ > + at91_mux_pio_pin(pio, pin_to_mask(AT91_PIN_PA8), AT91_MUX_PERIPH_A, GPIO_PULL_UP); > + at91_mux_pio_pin(pio, pin_to_mask(AT91_PIN_PA9), AT91_MUX_PERIPH_A, GPIO_PULL_UP); > + at91_mux_pio_pin(pio, pin_to_mask(AT91_PIN_PA10), AT91_MUX_PERIPH_A, GPIO_PULL_UP); > + at91_mux_pio_pin(pio, pin_to_mask(AT91_PIN_PA11), AT91_MUX_PERIPH_A, GPIO_PULL_UP); > + } else { > + /* CMD */ > + at91_mux_pio_pin(pio, pin_to_mask(AT91_PIN_PA21), AT91_MUX_PERIPH_A, GPIO_PULL_UP); > + > + /* DAT0 to DAT3 */ > + at91_mux_pio_pin(pio, pin_to_mask(AT91_PIN_PA22), AT91_MUX_PERIPH_A, GPIO_PULL_UP); > + at91_mux_pio_pin(pio, pin_to_mask(AT91_PIN_PA23), AT91_MUX_PERIPH_A, GPIO_PULL_UP); > + at91_mux_pio_pin(pio, pin_to_mask(AT91_PIN_PA24), AT91_MUX_PERIPH_A, GPIO_PULL_UP); > + at91_mux_pio_pin(pio, pin_to_mask(AT91_PIN_PA25), AT91_MUX_PERIPH_A, GPIO_PULL_UP); > + } > + > + at91_pmc_enable_periph_clock(IOMEM(AT91SAM926X_BASE_PMC), AT91SAM9263_ID_MCI1); > + } > + > + ret = at91_mci_bio_init(&bio, base, clock, (int)slot_b); > + if (ret) { > + pr_err("atmci_start_image: bio init faild: %d\n", ret); > + goto out_panic; > + } > + > + /* at91sam9x do not support high capacity */ > + at91_mci_bio_set_highcapacity(false); > + > + ret = pbl_fat_load(&bio, "barebox.bin", buf, SZ_16M); > + if (ret < 0) { > + pr_err("pbl_fat_load: error %d\n", ret); > + goto out_panic; > + } > + > + sync_caches_for_execution(); > + > + ((func)buf)(0, 0, NULL); > + > +out_panic: > + panic("FAT chainloading failed\n"); > +} > diff --git a/arch/arm/mach-at91/include/mach/xload.h b/arch/arm/mach-at91/include/mach/xload.h > index 488279c1a..82db65e30 100644 > --- a/arch/arm/mach-at91/include/mach/xload.h > +++ b/arch/arm/mach-at91/include/mach/xload.h > @@ -15,4 +15,8 @@ int at91_mci_bio_init(struct pbl_bio *bio, void __iomem *base, > unsigned int clock, unsigned int slot); > void at91_mci_bio_set_highcapacity(bool highcapacity_card); > > +void __noreturn sam9263_atmci_start_image(u32 mmc_id, unsigned int clock, > + bool slot_b); > + > + > #endif /* __MACH_XLOAD_H */ -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |