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Thu, 15 Jan 2026 14:09:18 +0100 Message-ID: Date: Thu, 15 Jan 2026 14:09:17 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Marco Felsch , Sascha Hauer , BAREBOX References: <20251110-v2025-09-0-topic-optee-of-handling-v1-0-8f0625ac5471@pengutronix.de> <20251110-v2025-09-0-topic-optee-of-handling-v1-12-8f0625ac5471@pengutronix.de> From: Ahmad Fatoum Content-Language: en-US, de-DE, de-BE In-Reply-To: <20251110-v2025-09-0-topic-optee-of-handling-v1-12-8f0625ac5471@pengutronix.de> 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-20260115_050920_311683_DBCEB10B X-CRM114-Status: GOOD ( 17.96 ) 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.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.0 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH 12/23] ARM: i.MX8M: esdctl: export imx8m_ddrc_sdram_size() X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) Hi, On 11/10/25 9:34 PM, Marco Felsch wrote: > imx8m_ddrc_sdram_size() returns the full memory size whereas > imx8m_barebox_earlymem_size() limits the size to 4GiB. > > This can be useful in cases like fixing up the FDT memory size for > OP-TEE which uses the information to configure the TZASC accordingly. > > Signed-off-by: Marco Felsch Reviewed-by: Ahmad Fatoum Thanks, Ahmad > --- > arch/arm/mach-imx/esdctl.c | 2 +- > include/mach/imx/esdctl.h | 1 + > 2 files changed, 2 insertions(+), 1 deletion(-) > > diff --git a/arch/arm/mach-imx/esdctl.c b/arch/arm/mach-imx/esdctl.c > index 0a1e042792bd90b40ffc8084efbdc5a25ba0dd02..964d438e3f3433332e351d9a70f91857ee33e0b4 100644 > --- a/arch/arm/mach-imx/esdctl.c > +++ b/arch/arm/mach-imx/esdctl.c > @@ -467,7 +467,7 @@ static void imx_ddrc_set_mstr_device_config(u32 *mstr, unsigned bits) > *mstr |= FIELD_PREP(DDRC_MSTR_DEVICE_CONFIG, fls(bits / 8)); > } > > -static resource_size_t imx8m_ddrc_sdram_size(unsigned buswidth) > +resource_size_t imx8m_ddrc_sdram_size(unsigned buswidth) > { > void __iomem *ddrc = IOMEM(MX8M_DDRC_CTL_BASE_ADDR); > const u32 addrmap[DDRC_ADDRMAP_LENGTH] = { > diff --git a/include/mach/imx/esdctl.h b/include/mach/imx/esdctl.h > index 97bd444b1a4ca2defdeb9f82180c0366296a32a0..47fb665a861bf2105b4d606ea1672caf27d8e285 100644 > --- a/include/mach/imx/esdctl.h > +++ b/include/mach/imx/esdctl.h > @@ -153,6 +153,7 @@ void __noreturn imx93_barebox_entry(void *boarddata); > void imx_esdctl_disable(void); > resource_size_t imx6_get_mmdc_sdram_size(void); > resource_size_t imx8m_barebox_earlymem_size(unsigned buswidth); > +resource_size_t imx8m_ddrc_sdram_size(unsigned buswidth); > resource_size_t imx9_ddrc_sdram_size(void); > #endif > > -- 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 |