Merge tag 'microblaze-v4.18-rc1' of git://git.monstr.eu/linux-2.6-mic…

…roblaze Pull microblaze updates from Michal Simek: - Fix simpleImage format generation - Remove earlyprintk support and replace it by earlycon * tag 'microblaze-v4.18-rc1' of git://git.monstr.eu/linux-2.6-microblaze: microblaze: dts: replace 'linux,stdout-path' with 'stdout-path' microblaze: remove redundant early_printk support microblaze: remove unnecessary prom.h includes microblaze: Fix simpleImage format generation
mariux64 · Jun 7, 2018 · c0ab852 · c0ab852
2 parents d987f62 + a7a9e2f
commit c0ab852
Show file tree

Hide file tree

Showing 14 changed files with 12 additions and 364 deletions.
diff --git a/arch/microblaze/Kconfig.debug b/arch/microblaze/Kconfig.debug
@@ -8,14 +8,6 @@ config TRACE_IRQFLAGS_SUPPORT
 
 source "lib/Kconfig.debug"
 
-config EARLY_PRINTK
-	bool "Early printk function for kernel"
-	depends on SERIAL_UARTLITE_CONSOLE || SERIAL_8250_CONSOLE
-	default n
-	help
-	  This option turns on/off early printk messages to console.
-	  First Uartlite node is taken.
-
 config HEART_BEAT
 	bool "Heart beat function for kernel"
 	default n

diff --git a/arch/microblaze/boot/Makefile b/arch/microblaze/boot/Makefile
@@ -22,17 +22,19 @@ $(obj)/linux.bin.gz: $(obj)/linux.bin FORCE
 quiet_cmd_cp = CP      $< $@$2
 	cmd_cp = cat $< >$@$2 || (rm -f $@ && echo false)
 
-quiet_cmd_strip = STRIP   $@
+quiet_cmd_strip = STRIP   $< $@$2
 	cmd_strip = $(STRIP) -K microblaze_start -K _end -K __log_buf \
-				-K _fdt_start vmlinux -o $@
+				-K _fdt_start $< -o $@$2
 
 UIMAGE_LOADADDR = $(CONFIG_KERNEL_BASE_ADDR)
+UIMAGE_IN = $@
+UIMAGE_OUT = $@.ub
 
 $(obj)/simpleImage.%: vmlinux FORCE
 	$(call if_changed,cp,.unstrip)
 	$(call if_changed,objcopy)
 	$(call if_changed,uimage)
-	$(call if_changed,strip)
-	@echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
+	$(call if_changed,strip,.strip)
+	@echo 'Kernel: $(UIMAGE_OUT) is ready' ' (#'`cat .version`')'
 
 clean-files += simpleImage.*.unstrip linux.bin.ub
diff --git a/arch/microblaze/boot/dts/system.dts b/arch/microblaze/boot/dts/system.dts
@@ -44,7 +44,7 @@
 	} ;
 	chosen {
 		bootargs = "console=ttyUL0,115200 highres=on";
-		linux,stdout-path = "/plb@0/serial@84000000";
+		stdout-path = "/plb@0/serial@84000000";
 	} ;
 	cpus {
 		#address-cells = <1>;

diff --git a/arch/microblaze/include/asm/cpuinfo.h b/arch/microblaze/include/asm/cpuinfo.h
@@ -13,7 +13,7 @@
 #ifndef _ASM_MICROBLAZE_CPUINFO_H
 #define _ASM_MICROBLAZE_CPUINFO_H
 
-#include <asm/prom.h>
+#include <linux/of.h>
 
 /* CPU Version and FPGA Family code conversion table type */
 struct cpu_ver_key {

diff --git a/arch/microblaze/include/asm/pci.h b/arch/microblaze/include/asm/pci.h
@@ -19,7 +19,6 @@
 #include <linux/scatterlist.h>
 
 #include <asm/io.h>
-#include <asm/prom.h>
 #include <asm/pci-bridge.h>
 
 #define PCIBIOS_MIN_IO		0x1000

diff --git a/arch/microblaze/include/asm/prom.h b/arch/microblaze/include/asm/prom.h
diff --git a/arch/microblaze/include/asm/setup.h b/arch/microblaze/include/asm/setup.h
@@ -19,16 +19,11 @@ extern char cmd_line[COMMAND_LINE_SIZE];
 
 extern char *klimit;
 
-int setup_early_printk(char *opt);
-void remap_early_printk(void);
-void disable_early_printk(void);
-
 void microblaze_heartbeat(void);
 void microblaze_setup_heartbeat(void);
 
 #   ifdef CONFIG_MMU
 extern void mmu_reset(void);
-extern void early_console_reg_tlb_alloc(unsigned int addr);
 #   endif /* CONFIG_MMU */
 
 extern void of_platform_reset_gpio_probe(void);

diff --git a/arch/microblaze/kernel/Makefile b/arch/microblaze/kernel/Makefile
@@ -22,7 +22,6 @@ obj-y += dma.o exceptions.o \
 
 obj-y += cpu/
 
-obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o
 obj-$(CONFIG_HEART_BEAT)	+= heartbeat.o
 obj-$(CONFIG_MODULES)		+= microblaze_ksyms.o module.o
 obj-$(CONFIG_MMU)		+= misc.o

diff --git a/arch/microblaze/kernel/early_printk.c b/arch/microblaze/kernel/early_printk.c
diff --git a/arch/microblaze/kernel/misc.S b/arch/microblaze/kernel/misc.S
@@ -63,38 +63,3 @@ _tlbie_1:
 	nop
 
 	.size  _tlbie, . - _tlbie
-
-/*
- * Allocate TLB entry for early console
- */
-.globl early_console_reg_tlb_alloc;
-.type  early_console_reg_tlb_alloc, @function
-.align 4;
-early_console_reg_tlb_alloc:
-	/*
-	 * Load a TLB entry for the UART, so that microblaze_progress() can use
-	 * the UARTs nice and early.  We use a 4k real==virtual mapping.
-	 */
-	lwi	r4, r0, tlb_skip
-	mts	rtlbx, r4 /* TLB slot 63 */
-
-	or	r4,r5,r0
-	andi	r4,r4,0xfffff000
-	ori	r4,r4,(TLB_WR|TLB_I|TLB_M|TLB_G)
-
-	andi	r5,r5,0xfffff000
-	ori	r5,r5,(TLB_VALID | TLB_PAGESZ(PAGESZ_4K))
-
-	mts	rtlblo,r4 /* Load the data portion of the entry */
-	nop
-	mts	rtlbhi,r5 /* Load the tag portion of the entry */
-	nop
-
-	lwi	r5, r0, tlb_skip
-	addik	r5, r5, 1
-	swi	r5, r0, tlb_skip
-
-	rtsd	r15, 8
-	nop
-
-	.size  early_console_reg_tlb_alloc, . - early_console_reg_tlb_alloc
diff --git a/arch/microblaze/kernel/platform.c b/arch/microblaze/kernel/platform.c
@@ -12,7 +12,6 @@
 
 #include <linux/init.h>
 #include <linux/of_platform.h>
-#include <asm/prom.h>
 #include <asm/setup.h>
 
 static struct of_device_id xilinx_of_bus_ids[] __initdata = {