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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Barebox List <barebox@lists.infradead.org>
Subject: [PATCH 3/5] ARM: Rockchip: Add rk3568 specific barebox entry function
Date: Fri, 24 Mar 2023 15:03:25 +0100	[thread overview]
Message-ID: <20230324140327.2154039-4-s.hauer@pengutronix.de> (raw)
In-Reply-To: <20230324140327.2154039-1-s.hauer@pengutronix.de>

Add a rk3568 specific barebox entry function to simplify board
code.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-rockchip/atf.c | 22 ++++++++++++++++++++++
 include/mach/rockchip/atf.h  |  2 ++
 2 files changed, 24 insertions(+)

diff --git a/arch/arm/mach-rockchip/atf.c b/arch/arm/mach-rockchip/atf.c
index 93025faf68..a7d626226e 100644
--- a/arch/arm/mach-rockchip/atf.c
+++ b/arch/arm/mach-rockchip/atf.c
@@ -5,6 +5,9 @@
 #include <mach/rockchip/atf.h>
 #include <elf.h>
 #include <asm/atf_common.h>
+#include <asm/barebox-arm.h>
+#include <mach/rockchip/dmc.h>
+#include <mach/rockchip/rockchip.h>
 
 static unsigned long load_elf64_image_phdr(const void *elf)
 {
@@ -69,3 +72,22 @@ void rk3568_atf_load_bl31(void *fdt)
 {
 	rockchip_atf_load_bl31(RK3568, rk3568_bl31_bin, rk3568_op_tee_bin, fdt);
 }
+
+void __noreturn rk3568_barebox_entry(void *fdt)
+{
+	unsigned long membase, memsize;
+
+	membase = RK3568_DRAM_BOTTOM;
+	memsize = rk3568_ram0_size() - RK3568_DRAM_BOTTOM;
+
+	if (current_el() == 3) {
+		relocate_to_adr_full(RK3568_BAREBOX_LOAD_ADDRESS);
+		setup_c();
+
+		rk3568_lowlevel_init();
+		rk3568_atf_load_bl31(fdt);
+		/* not reached when CONFIG_ARCH_ROCKCHIP_ATF */
+	}
+
+	barebox_arm_entry(membase, memsize, fdt);
+}
diff --git a/include/mach/rockchip/atf.h b/include/mach/rockchip/atf.h
index e5d55af3d7..e1e68825d1 100644
--- a/include/mach/rockchip/atf.h
+++ b/include/mach/rockchip/atf.h
@@ -28,4 +28,6 @@ static inline void rk3568_atf_load_bl31(void *fdt) { }
 #endif
 #endif
 
+void __noreturn rk3568_barebox_entry(void *fdt);
+
 #endif /* __MACH_ATF_H */
-- 
2.30.2




  parent reply	other threads:[~2023-03-24 14:04 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-24 14:03 [PATCH 0/5] ARM: Rockchip: Read amount of memory from DDR controller Sascha Hauer
2023-03-24 14:03 ` [PATCH 1/5] ARM: dts: rk356x: Add DMC controller node Sascha Hauer
2023-03-24 14:03 ` [PATCH 2/5] ARM: Rockchip: implement memory read out from controller Sascha Hauer
2023-03-26  8:34   ` Rouven Czerwinski
2023-03-27  7:32     ` Sascha Hauer
2023-03-24 14:03 ` Sascha Hauer [this message]
2023-03-26  8:36   ` [PATCH 3/5] ARM: Rockchip: Add rk3568 specific barebox entry function Rouven Czerwinski
2023-03-27  8:31     ` Sascha Hauer
2023-03-24 14:03 ` [PATCH 4/5] ARM: Rockchip: rk3568: use rk3568_barebox_entry() Sascha Hauer
2023-03-24 14:03 ` [PATCH 5/5] ARM: Rockchip: make bootsource logic generic to all SoCs Sascha Hauer

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