Finish converting CONFIG_SYS_CACHELINE_SIZE to Kconfig

We move the SYS_CACHE_SHIFT_N options from arch/arm/Kconfig to
arch/Kconfig, and introduce SYS_CACHE_SHIFT_4 to provide a size of 16.
Introduce select statements for other architectures based on current
usage.  For MIPS, we take the existing arch-specific symbol and migrate
to the generic symbol.  This lets us remove a little bit of otherwise
unused code.

Cc: Alexey Brodkin <alexey.brodkin@synopsys.com>
Cc: Anup Patel <anup.patel@wdc.com>
Cc: Atish Patra <atish.patra@wdc.com>
Cc: Bin Meng <bmeng.cn@gmail.com>
Cc: Leo <ycliang@andestech.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Sean Anderson <seanga2@gmail.com>
Cc: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Rini <trini@konsulko.com>
Acked-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Reviewed-by: Rick Chen <rick@andestech.com>

5 files changed, 17 insertions, 47 deletions

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 6b1f10d9a0..fa221f1d04 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -22,7 +22,7 @@ config TARGET_MALTA
 	select DYNAMIC_IO_PORT_BASE
 	select MIPS_CM
 	select MIPS_INSERT_BOOT_CONFIG
-	select MIPS_L1_CACHE_SHIFT_6
+	select SYS_CACHE_SHIFT_6
 	select MIPS_L2_CACHE
 	select OF_CONTROL
 	select OF_ISA_BUS
@@ -132,7 +132,7 @@ config TARGET_BOSTON
 	select DM
 	select DM_SERIAL
 	select MIPS_CM
-	select MIPS_L1_CACHE_SHIFT_6
+	select SYS_CACHE_SHIFT_6
 	select MIPS_L2_CACHE
 	select OF_BOARD_SETUP
 	select OF_CONTROL
@@ -153,7 +153,7 @@ config TARGET_XILFPGA
 	select DM_ETH
 	select DM_GPIO
 	select DM_SERIAL
-	select MIPS_L1_CACHE_SHIFT_4
+	select SYS_CACHE_SHIFT_4
 	select OF_CONTROL
 	select ROM_EXCEPTION_VECTORS
 	select SUPPORTS_CPU_MIPS32_R1
@@ -566,26 +566,6 @@ config SYS_CACHE_SIZE_AUTO
 	  so if you know the cache configuration for your system at compile
 	  time it would be beneficial to configure it.
 
-config MIPS_L1_CACHE_SHIFT_4
-	bool
-
-config MIPS_L1_CACHE_SHIFT_5
-	bool
-
-config MIPS_L1_CACHE_SHIFT_6
-	bool
-
-config MIPS_L1_CACHE_SHIFT_7
-	bool
-
-config MIPS_L1_CACHE_SHIFT
-	int
-	default "7" if MIPS_L1_CACHE_SHIFT_7
-	default "6" if MIPS_L1_CACHE_SHIFT_6
-	default "5" if MIPS_L1_CACHE_SHIFT_5
-	default "4" if MIPS_L1_CACHE_SHIFT_4
-	default "5"
-
 config MIPS_L2_CACHE
 	bool
 	help
diff --git a/arch/mips/include/asm/cache.h b/arch/mips/include/asm/cache.h
index 00696e672d..d3e8a8cd41 100644
--- a/arch/mips/include/asm/cache.h
+++ b/arch/mips/include/asm/cache.h
@@ -6,17 +6,7 @@
 #ifndef __MIPS_CACHE_H__
 #define __MIPS_CACHE_H__
 
-#define L1_CACHE_SHIFT		CONFIG_MIPS_L1_CACHE_SHIFT
-#define L1_CACHE_BYTES		(1 << L1_CACHE_SHIFT)
-
-#define ARCH_DMA_MINALIGN	(L1_CACHE_BYTES)
-
-/*
- * CONFIG_SYS_CACHELINE_SIZE is still used in various drivers primarily for
- * DMA buffer alignment. Satisfy those drivers by providing it as a synonym
- * of ARCH_DMA_MINALIGN for now.
- */
-#define CONFIG_SYS_CACHELINE_SIZE ARCH_DMA_MINALIGN
+#define ARCH_DMA_MINALIGN	CONFIG_SYS_CACHELINE_SIZE
 
 #ifndef __ASSEMBLY__
 /**
diff --git a/arch/mips/mach-bmips/Kconfig b/arch/mips/mach-bmips/Kconfig
index b259a931c9..01d919f2db 100644
--- a/arch/mips/mach-bmips/Kconfig
+++ b/arch/mips/mach-bmips/Kconfig
@@ -21,7 +21,7 @@ choice
 
 config SOC_BMIPS_BCM3380
 	bool "BMIPS BCM3380 family"
-	select MIPS_L1_CACHE_SHIFT_4
+	select SYS_CACHE_SHIFT_4
 	select MIPS_TUNE_4KC
 	select SUPPORTS_BIG_ENDIAN
 	select SUPPORTS_CPU_MIPS32_R1
@@ -31,7 +31,7 @@ config SOC_BMIPS_BCM3380
 
 config SOC_BMIPS_BCM6318
 	bool "BMIPS BCM6318 family"
-	select MIPS_L1_CACHE_SHIFT_4
+	select SYS_CACHE_SHIFT_4
 	select MIPS_TUNE_4KC
 	select SUPPORTS_BIG_ENDIAN
 	select SUPPORTS_CPU_MIPS32_R1
@@ -41,7 +41,7 @@ config SOC_BMIPS_BCM6318
 
 config SOC_BMIPS_BCM6328
 	bool "BMIPS BCM6328 family"
-	select MIPS_L1_CACHE_SHIFT_4
+	select SYS_CACHE_SHIFT_4
 	select MIPS_TUNE_4KC
 	select SUPPORTS_BIG_ENDIAN
 	select SUPPORTS_CPU_MIPS32_R1
@@ -51,7 +51,7 @@ config SOC_BMIPS_BCM6328
 
 config SOC_BMIPS_BCM6338
 	bool "BMIPS BCM6338 family"
-	select MIPS_L1_CACHE_SHIFT_4
+	select SYS_CACHE_SHIFT_4
 	select MIPS_TUNE_4KC
 	select SUPPORTS_BIG_ENDIAN
 	select SUPPORTS_CPU_MIPS32_R1
@@ -61,7 +61,7 @@ config SOC_BMIPS_BCM6338
 
 config SOC_BMIPS_BCM6348
 	bool "BMIPS BCM6348 family"
-	select MIPS_L1_CACHE_SHIFT_4
+	select SYS_CACHE_SHIFT_4
 	select MIPS_TUNE_4KC
 	select SUPPORTS_BIG_ENDIAN
 	select SUPPORTS_CPU_MIPS32_R1
@@ -71,7 +71,7 @@ config SOC_BMIPS_BCM6348
 
 config SOC_BMIPS_BCM6358
 	bool "BMIPS BCM6358 family"
-	select MIPS_L1_CACHE_SHIFT_4
+	select SYS_CACHE_SHIFT_4
 	select MIPS_TUNE_4KC
 	select SUPPORTS_BIG_ENDIAN
 	select SUPPORTS_CPU_MIPS32_R1
@@ -81,7 +81,7 @@ config SOC_BMIPS_BCM6358
 
 config SOC_BMIPS_BCM6368
 	bool "BMIPS BCM6368 family"
-	select MIPS_L1_CACHE_SHIFT_4
+	select SYS_CACHE_SHIFT_4
 	select MIPS_TUNE_4KC
 	select SUPPORTS_BIG_ENDIAN
 	select SUPPORTS_CPU_MIPS32_R1
@@ -91,7 +91,7 @@ config SOC_BMIPS_BCM6368
 
 config SOC_BMIPS_BCM6362
 	bool "BMIPS BCM6362 family"
-	select MIPS_L1_CACHE_SHIFT_4
+	select SYS_CACHE_SHIFT_4
 	select MIPS_TUNE_4KC
 	select SUPPORTS_BIG_ENDIAN
 	select SUPPORTS_CPU_MIPS32_R1
@@ -101,7 +101,7 @@ config SOC_BMIPS_BCM6362
 
 config SOC_BMIPS_BCM63268
 	bool "BMIPS BCM63268 family"
-	select MIPS_L1_CACHE_SHIFT_4
+	select SYS_CACHE_SHIFT_4
 	select MIPS_TUNE_4KC
 	select SUPPORTS_BIG_ENDIAN
 	select SUPPORTS_CPU_MIPS32_R1
@@ -112,7 +112,7 @@ config SOC_BMIPS_BCM63268
 
 config SOC_BMIPS_BCM6838
 	bool "BMIPS BCM6838 family"
-	select MIPS_L1_CACHE_SHIFT_4
+	select SYS_CACHE_SHIFT_4
 	select MIPS_TUNE_4KC
 	select SUPPORTS_BIG_ENDIAN
 	select SUPPORTS_CPU_MIPS32_R1
diff --git a/arch/mips/mach-mtmips/Kconfig b/arch/mips/mach-mtmips/Kconfig
index 8756cadb0b..747988aed7 100644
--- a/arch/mips/mach-mtmips/Kconfig
+++ b/arch/mips/mach-mtmips/Kconfig
@@ -39,7 +39,7 @@ choice
 
 config SOC_MT7620
 	bool "MT7620"
-	select MIPS_L1_CACHE_SHIFT_5
+	select SYS_CACHE_SHIFT_5
 	select SYS_MIPS_CACHE_INIT_RAM_LOAD
 	select PINCTRL_MT7620
 	select MT7620_SERIAL
@@ -54,7 +54,7 @@ config SOC_MT7620
 
 config SOC_MT7628
 	bool "MT7628"
-	select MIPS_L1_CACHE_SHIFT_5
+	select SYS_CACHE_SHIFT_5
 	select MIPS_INIT_STACK_IN_SRAM
 	select MIPS_SRAM_INIT
 	select SYS_MIPS_CACHE_INIT_RAM_LOAD
diff --git a/arch/mips/mach-pic32/Kconfig b/arch/mips/mach-pic32/Kconfig
index 5f13bf14ed..2afa972074 100644
--- a/arch/mips/mach-pic32/Kconfig
+++ b/arch/mips/mach-pic32/Kconfig
@@ -9,7 +9,7 @@ choice
 
 config SOC_PIC32MZDA
 	bool "Microchip PIC32MZ[DA] family"
-	select MIPS_L1_CACHE_SHIFT_4
+	select SYS_CACHE_SHIFT_4
 	select ROM_EXCEPTION_VECTORS
 	select SUPPORTS_CPU_MIPS32_R1
 	select SUPPORTS_CPU_MIPS32_R2