From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1j3fnS-0008Bm-LB for barebox@lists.infradead.org; Mon, 17 Feb 2020 12:46:49 +0000 From: Sascha Hauer Date: Mon, 17 Feb 2020 13:46:19 +0100 Message-Id: <20200217124623.14520-39-s.hauer@pengutronix.de> In-Reply-To: <20200217124623.14520-1-s.hauer@pengutronix.de> References: <20200217124623.14520-1-s.hauer@pengutronix.de> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 38/42] ARM: i.MX8M: Add TF-A loading support for i.MX8MM To: Barebox List Basically the same as for i.MX8MQ, just some function split up needed to account for different base addresses for the TF-A on both SoCs. Signed-off-by: Sascha Hauer --- arch/arm/mach-imx/Makefile | 2 +- arch/arm/mach-imx/atf.c | 26 +++++++++++++++++++------- arch/arm/mach-imx/include/mach/atf.h | 9 +++++++-- firmware/Kconfig | 3 +++ firmware/Makefile | 1 + 5 files changed, 31 insertions(+), 10 deletions(-) diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile index 105785ba1b..30ced0e202 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile @@ -16,7 +16,7 @@ lwl-$(CONFIG_ARCH_IMX6) += imx6-mmdc.o obj-$(CONFIG_ARCH_IMX7) += imx7.o obj-$(CONFIG_ARCH_VF610) += vf610.o obj-$(CONFIG_ARCH_IMX8M) += imx8m.o -lwl-$(CONFIG_ARCH_IMX8MQ) += atf.o +lwl-$(CONFIG_ARCH_IMX8M) += atf.o obj-$(CONFIG_IMX_IIM) += iim.o obj-$(CONFIG_NAND_IMX) += nand.o lwl-$(CONFIG_ARCH_IMX_EXTERNAL_BOOT_NAND) += external-nand-boot.o diff --git a/arch/arm/mach-imx/atf.c b/arch/arm/mach-imx/atf.c index c1b358d125..4ced8cd083 100644 --- a/arch/arm/mach-imx/atf.c +++ b/arch/arm/mach-imx/atf.c @@ -2,13 +2,14 @@ #include /** - * imx8mq_atf_load_bl31 - Load ATF BL31 blob and transfer control to it + * imx8m_atf_load_bl31 - Load ATF BL31 blob and transfer control to it * * @fw: Pointer to the BL31 blob * @fw_size: Size of the BL31 blob + * @atf_dest: Place where the BL31 is copied to and executed * * This function: - + * * 1. Copies built-in BL31 blob to an address i.MX8M's BL31 * expects to be placed * @@ -25,17 +26,28 @@ * any other implementation may or may not work * */ -void imx8mq_atf_load_bl31(const void *fw, size_t fw_size) + +static void imx8m_atf_load_bl31(const void *fw, size_t fw_size, void *atf_dest) { - void __noreturn (*bl31)(void) = (void *)MX8MQ_ATF_BL31_BASE_ADDR; + void __noreturn (*bl31)(void) = atf_dest; - if (WARN_ON(fw_size > MX8MQ_ATF_BL31_SIZE_LIMIT)) + if (WARN_ON(fw_size > MX8M_ATF_BL31_SIZE_LIMIT)) return; memcpy(bl31, fw, fw_size); asm volatile("msr sp_el2, %0" : : - "r" (MX8MQ_ATF_BL33_BASE_ADDR - 16) : + "r" (atf_dest - 16) : "cc"); bl31(); -} \ No newline at end of file +} + +void imx8mm_atf_load_bl31(const void *fw, size_t fw_size) +{ + imx8m_atf_load_bl31(fw, fw_size, (void *)MX8MM_ATF_BL31_BASE_ADDR); +} + +void imx8mq_atf_load_bl31(const void *fw, size_t fw_size) +{ + imx8m_atf_load_bl31(fw, fw_size, (void *)MX8MQ_ATF_BL31_BASE_ADDR); +} diff --git a/arch/arm/mach-imx/include/mach/atf.h b/arch/arm/mach-imx/include/mach/atf.h index aeb24bad00..f64a9dd2ba 100644 --- a/arch/arm/mach-imx/include/mach/atf.h +++ b/arch/arm/mach-imx/include/mach/atf.h @@ -4,10 +4,15 @@ #include #include -#define MX8MQ_ATF_BL31_SIZE_LIMIT SZ_64K +#define MX8M_ATF_BL31_SIZE_LIMIT SZ_64K + +#define MX8MM_ATF_BL31_BASE_ADDR 0x00920000 #define MX8MQ_ATF_BL31_BASE_ADDR 0x00910000 -#define MX8MQ_ATF_BL33_BASE_ADDR 0x40200000 +#define MX8M_ATF_BL33_BASE_ADDR 0x40200000 +#define MX8MM_ATF_BL33_BASE_ADDR MX8M_ATF_BL33_BASE_ADDR +#define MX8MQ_ATF_BL33_BASE_ADDR MX8M_ATF_BL33_BASE_ADDR +void imx8mm_atf_load_bl31(const void *fw, size_t fw_size); void imx8mq_atf_load_bl31(const void *fw, size_t fw_size); #endif \ No newline at end of file diff --git a/firmware/Kconfig b/firmware/Kconfig index a6f79e8a97..169c6ee915 100644 --- a/firmware/Kconfig +++ b/firmware/Kconfig @@ -7,6 +7,9 @@ config EXTRA_FIRMWARE_DIR config FIRMWARE_IMX_LPDDR4_PMU_TRAIN bool +config FIRMWARE_IMX8MM_ATF + bool + config FIRMWARE_IMX8MQ_ATF bool diff --git a/firmware/Makefile b/firmware/Makefile index 9581ee6116..a0f40d3f4e 100644 --- a/firmware/Makefile +++ b/firmware/Makefile @@ -9,6 +9,7 @@ firmware-$(CONFIG_FIRMWARE_IMX_LPDDR4_PMU_TRAIN) += \ lpddr4_pmu_train_2d_dmem.bin \ lpddr4_pmu_train_2d_imem.bin +firmware-$(CONFIG_FIRMWARE_IMX8MM_ATF) += imx8mm-bl31.bin firmware-$(CONFIG_FIRMWARE_IMX8MQ_ATF) += imx8mq-bl31.bin firmware-$(CONFIG_DRIVER_NET_FSL_FMAN) += fsl_fman_ucode_ls1046_r1.0_106_4_18.bin -- 2.25.0 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox