The scatch code spread over the code base which is ok as long as we use
it for the bootrom-log only.
This commit bundles the scratch code into a own module to make it easier
to adapt later on and to make the scratch space independent of
CONFIG_ARCH_IMX_ROMAPI.
Signed-off-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx>
---
arch/arm/mach-imx/Makefile | 2 +-
arch/arm/mach-imx/romapi.c | 8 --------
arch/arm/mach-imx/scratch.c | 25 +++++++++++++++++++++++++
arch/arm/mach-imx/xload-common.c | 8 --------
include/mach/imx/romapi.h | 2 +-
include/mach/imx/scratch.h | 17 +++++++++++++++++
include/mach/imx/xload.h | 11 -----------
7 files changed, 44 insertions(+), 29 deletions(-)
create mode 100644 arch/arm/mach-imx/scratch.c
create mode 100644 include/mach/imx/scratch.h
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index 3a51ae87813a..9505cffa8111 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -17,7 +17,7 @@ CFLAGS_imx6.o := -march=armv7-a
lwl-$(CONFIG_ARCH_IMX6) += imx6-mmdc.o
obj-$(CONFIG_ARCH_IMX7) += imx7.o
obj-$(CONFIG_ARCH_VF610) += vf610.o
-obj-pbl-$(CONFIG_ARCH_IMX8M) += imx8m.o
+obj-pbl-$(CONFIG_ARCH_IMX8M) += imx8m.o scratch.o
obj-$(CONFIG_ARCH_IMX9) += imx9.o
lwl-$(CONFIG_ARCH_IMX_ATF) += atf.o
obj-pbl-$(CONFIG_ARCH_IMX8M) += tzasc.o
diff --git a/arch/arm/mach-imx/romapi.c b/arch/arm/mach-imx/romapi.c
index 6d47f3c6d4af..e11f38202461 100644
--- a/arch/arm/mach-imx/romapi.c
+++ b/arch/arm/mach-imx/romapi.c
@@ -228,14 +228,6 @@ const u32 *imx8m_get_bootrom_log(void)
return NULL;
}
-static int imx8m_reserve_scratch_area(void)
-{
- return PTR_ERR_OR_ZERO(request_sdram_region("scratch area",
- (ulong)arm_mem_scratch_get(),
- sizeof(struct imx_scratch_space)));
-}
-device_initcall(imx8m_reserve_scratch_area);
-
void imx8m_save_bootrom_log(void *dest)
{
const u32 *rom_log;
diff --git a/arch/arm/mach-imx/scratch.c b/arch/arm/mach-imx/scratch.c
new file mode 100644
index 000000000000..0828b55ff8e5
--- /dev/null
+++ b/arch/arm/mach-imx/scratch.c
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <asm/barebox-arm.h>
+#include <init.h>
+#include <linux/err.h>
+#include <mach/imx/imx8m-regs.h>
+#include <mach/imx/esdctl.h>
+#include <mach/imx/scratch.h>
+#include <memory.h>
+
+struct imx_scratch_space *__imx8m_scratch_space(int ddr_buswidth)
+{
+ ulong endmem = MX8M_DDR_CSD1_BASE_ADDR +
+ imx8m_barebox_earlymem_size(ddr_buswidth);
+
+ return (void *)arm_mem_scratch(endmem);
+}
+
+static int imx8m_reserve_scratch_area(void)
+{
+ return PTR_ERR_OR_ZERO(request_sdram_region("scratch area",
+ (ulong)arm_mem_scratch_get(),
+ sizeof(struct imx_scratch_space)));
+}
+device_initcall(imx8m_reserve_scratch_area);
diff --git a/arch/arm/mach-imx/xload-common.c b/arch/arm/mach-imx/xload-common.c
index 03eb2ef109e3..0c02e664a84b 100644
--- a/arch/arm/mach-imx/xload-common.c
+++ b/arch/arm/mach-imx/xload-common.c
@@ -21,14 +21,6 @@ int piggydata_size(void)
return input_data_end - input_data;
}
-struct imx_scratch_space *__imx8m_scratch_space(int ddr_buswidth)
-{
- ulong endmem = MX8M_DDR_CSD1_BASE_ADDR +
- imx8m_barebox_earlymem_size(ddr_buswidth);
-
- return (void *)arm_mem_scratch(endmem);
-}
-
#define HDR_SIZE 512
static int
diff --git a/include/mach/imx/romapi.h b/include/mach/imx/romapi.h
index 959d165a3323..977095a5a2f5 100644
--- a/include/mach/imx/romapi.h
+++ b/include/mach/imx/romapi.h
@@ -2,7 +2,7 @@
#ifndef __MACH_IMX_ROMAPI_H
#define __MACH_IMX_ROMAPI_H
-#include <mach/imx/xload.h>
+#include <mach/imx/scratch.h>
#include <linux/types.h>
struct rom_api {
diff --git a/include/mach/imx/scratch.h b/include/mach/imx/scratch.h
new file mode 100644
index 000000000000..6dcf35750caf
--- /dev/null
+++ b/include/mach/imx/scratch.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __MACH_IMX_SCRATCH_H
+#define __MACH_IMX_SCRATCH_H
+
+struct imx_scratch_space {
+ u32 bootrom_log[128];
+};
+
+struct imx_scratch_space *__imx8m_scratch_space(int ddr_buswidth);
+
+#define imx8mq_scratch_space() __imx8m_scratch_space(32)
+#define imx8mm_scratch_space() __imx8m_scratch_space(32)
+#define imx8mn_scratch_space() __imx8m_scratch_space(16)
+#define imx8mp_scratch_space() __imx8m_scratch_space(32)
+
+#endif /* __MACH_IMX_SCRATCH_H */
diff --git a/include/mach/imx/xload.h b/include/mach/imx/xload.h
index 2c2d2fa3c52d..965e73772ceb 100644
--- a/include/mach/imx/xload.h
+++ b/include/mach/imx/xload.h
@@ -43,15 +43,4 @@ int piggydata_size(void);
extern unsigned char input_data[];
extern unsigned char input_data_end[];
-struct imx_scratch_space {
- u32 bootrom_log[128];
-};
-
-struct imx_scratch_space *__imx8m_scratch_space(int ddr_buswidth);
-
-#define imx8mq_scratch_space() __imx8m_scratch_space(32)
-#define imx8mm_scratch_space() __imx8m_scratch_space(32)
-#define imx8mn_scratch_space() __imx8m_scratch_space(16)
-#define imx8mp_scratch_space() __imx8m_scratch_space(32)
-
#endif /* __MACH_IMX_XLOAD_H */
--
2.39.2
