rockchip: Add max spl size & spl header configs

Our chips may have different max spl size and spl header, so
we need to add configs for that.

Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
Dropped CONFIG_ROCKCHIP_MAX_SPL_SIZE from rk3288_common.h,
Added $(if...) to tools/Makefile to fix widespread build breakage
Signed-off-by: Simon Glass <sjg@chromium.org>

Series-changes: 8
- Drop CONFIG_ROCKCHIP_MAX_SPL_SIZE from rk3288_common.h,
- Add $(if...) to tools/Makefile to fix widespread build breakage

arch/arm/mach-rockchip/Kconfig

@@ -17,6 +17,21 @@ config ROCKCHIP_RK3036
 	  and video codec support. Peripherals include Gigabit Ethernet,
 	  USB2 host and OTG, SDIO, I2S, UART, SPI, I2C and PWMs.
 
+config ROCKCHIP_SPL_HDR
+	string "Header of rockchip's spl loader"
+	help
+	  Rockchip's bootrom requires the spl loader to start with a 4-bytes
+	  header. The content of this header depends on the chip type.
+
+config ROCKCHIP_MAX_SPL_SIZE
+	hex "Max size of rockchip's spl loader"
+	help
+	  Different chip may have different sram size. And if we want to jump
+	  back to the bootrom after spl, we may need to reserve some sram space
+	  for the bootrom.
+	  The max spl loader size should be sram size minus reserved
+	  size(if needed)
+
 config SYS_MALLOC_F
 	default y
 

arch/arm/mach-rockchip/rk3036/Kconfig

@@ -9,6 +9,12 @@ config SYS_SOC
 config SYS_MALLOC_F_LEN
 	default 0x400
 
+config ROCKCHIP_SPL_HDR
+        default "RK30"
+
+config ROCKCHIP_MAX_SPL_SIZE
+        default 0x1000
+
 config ROCKCHIP_COMMON
 	bool "Support rk common fuction"
 

arch/arm/mach-rockchip/rk3288/Kconfig

@@ -16,6 +16,12 @@ config TARGET_CHROMEBOOK_JERRY
 	  WiFi. It includes a Chrome OS EC (Cortex-M3) to provide access to
 	  the keyboard and battery functions.
 
+config ROCKCHIP_SPL_HDR
+	default "RK32"
+
+config ROCKCHIP_MAX_SPL_SIZE
+	default 0x8000
+
 config SYS_SOC
 	default "rockchip"
 

tools/Makefile

@@ -64,7 +64,7 @@ RSA_OBJS-$(CONFIG_FIT_SIGNATURE) := $(addprefix lib/rsa/, \
 					rsa-sign.o rsa-verify.o rsa-checksum.o \
 					rsa-mod-exp.o)
 
-ROCKCHIP_OBS = lib/rc4.o rkcommon.o rkimage.o rksd.o
+ROCKCHIP_OBS = $(if $(CONFIG_ARCH_ROCKCHIP),lib/rc4.o rkcommon.o rkimage.o rksd.o,)
 
 # common objs for dumpimage and mkimage
 dumpimage-mkimage-objs := aisimage.o \
@@ -109,6 +109,12 @@ fit_check_sign-objs   := $(dumpimage-mkimage-objs) fit_check_sign.o
 
 # TODO(sjg@chromium.org): Is this correct on Mac OS?
 
+ifneq ($(CONFIG_ARCH_ROCKCHIP),)
+HOST_EXTRACFLAGS += \
+		-DCONFIG_ROCKCHIP_MAX_SPL_SIZE=$(CONFIG_ROCKCHIP_MAX_SPL_SIZE) \
+		-DCONFIG_ROCKCHIP_SPL_HDR="\"$(CONFIG_ROCKCHIP_SPL_HDR)\""
+endif
+
 ifneq ($(CONFIG_MX23)$(CONFIG_MX28),)
 # Add CONFIG_MXS into host CFLAGS, so we can check whether or not register
 # the mxsimage support within tools/mxsimage.c .

tools/rkcommon.c

@@ -50,7 +50,7 @@ int rkcommon_set_header(void *buf, uint file_size)
 {
 	struct header0_info *hdr;
 
-	if (file_size > RK_MAX_CODE1_SIZE)
+	if (file_size > CONFIG_ROCKCHIP_MAX_SPL_SIZE)
 		return -ENOSPC;
 
 	memset(buf,  '\0', RK_CODE1_OFFSET * RK_BLK_SIZE);

tools/rkcommon.h

@@ -11,7 +11,6 @@
 enum {
 	RK_BLK_SIZE		= 512,
 	RK_CODE1_OFFSET		= 4,
-	RK_MAX_CODE1_SIZE	= 32 << 10,
 };
 
 /**

tools/rkimage.c

@@ -30,7 +30,7 @@ static void rkimage_print_header(const void *buf)
 static void rkimage_set_header(void *buf, struct stat *sbuf, int ifd,
 			       struct image_tool_params *params)
 {
-	memcpy(buf, "RK32", 4);
+	memcpy(buf, CONFIG_ROCKCHIP_SPL_HDR, 4);
 }
 
 static int rkimage_extract_subimage(void *buf, struct image_tool_params *params)

tools/rksd.c

@@ -50,7 +50,7 @@ static void rksd_set_header(void *buf,  struct stat *sbuf,  int ifd,
 		       size);
 	}
 
-	memcpy(buf + RKSD_SPL_HDR_START, "RK32", 4);
+	memcpy(buf + RKSD_SPL_HDR_START, CONFIG_ROCKCHIP_SPL_HDR, 4);
 }
 
 static int rksd_extract_subimage(void *buf,  struct image_tool_params *params)
@@ -72,7 +72,7 @@ static int rksd_vrec_header(struct image_tool_params *params,
 {
 	int pad_size;
 
-	pad_size = RKSD_SPL_HDR_START + RK_MAX_CODE1_SIZE;
+	pad_size = RKSD_SPL_HDR_START + CONFIG_ROCKCHIP_MAX_SPL_SIZE;
 	debug("pad_size %x\n", pad_size);
 
 	return pad_size - params->file_size;

tools/rkspi.c

@@ -53,7 +53,7 @@ static void rkspi_set_header(void *buf, struct stat *sbuf, int ifd,
 		       size);
 	}
 
-	memcpy(buf + RKSPI_SPL_HDR_START, "RK32", 4);
+	memcpy(buf + RKSPI_SPL_HDR_START, CONFIG_ROCKCHIP_SPL_HDR, 4);
 
 	/*
 	 * Spread the image out so we only use the first 2KB of each 4KB
@@ -89,7 +89,7 @@ static int rkspi_vrec_header(struct image_tool_params *params,
 {
 	int pad_size;
 
-	pad_size = (RK_MAX_CODE1_SIZE + 0x7ff) / 0x800 * 0x800;
+	pad_size = (CONFIG_ROCKCHIP_MAX_SPL_SIZE + 0x7ff) / 0x800 * 0x800;
 	params->orig_file_size = pad_size;
 
 	/* We will double the image size due to the SPI format */