bcm63xx: smp: add NAND support

NAND controller is present on BCM6328, BCM6362, BCM6368 and BCM63268.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
This commit is contained in:
Álvaro Fernández Rojas 2020-05-14 18:19:35 +02:00
parent dcee4eaa42
commit 86583384ff
22 changed files with 817 additions and 6 deletions

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@ -2,11 +2,11 @@ include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/kernel.mk include $(INCLUDE_DIR)/kernel.mk
PKG_NAME:=bcm63xx-cfe PKG_NAME:=bcm63xx-cfe
PKG_VERSION:=2020-05-18
PKG_RELEASE:=1 PKG_RELEASE:=1
PKG_SOURCE_URL:=https://github.com/openwrt/bcm63xx-cfe.git PKG_SOURCE_URL:=https://github.com/openwrt/bcm63xx-cfe.git
PKG_SOURCE_PROTO:=git PKG_SOURCE_PROTO:=git
PKG_SOURCE_DATE:=2020-05-18
PKG_SOURCE_VERSION:=efe3b81121a84c0b8ba6a7d0d47cd5eeeb23808d PKG_SOURCE_VERSION:=efe3b81121a84c0b8ba6a7d0d47cd5eeeb23808d
PKG_MIRROR_HASH:=299dcf6ef1ad034df26daee6446b574abcd7526a2fe90fb8115890e71bc0d58b PKG_MIRROR_HASH:=299dcf6ef1ad034df26daee6446b574abcd7526a2fe90fb8115890e71bc0d58b

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@ -4,6 +4,7 @@
compatible = "brcm,bcm63268"; compatible = "brcm,bcm63268";
aliases { aliases {
nflash = &nflash;
pinctrl = &pinctrl; pinctrl = &pinctrl;
serial0 = &uart0; serial0 = &uart0;
serial1 = &uart1; serial1 = &uart1;
@ -239,6 +240,30 @@
/* clocks = <&clkctl 16>; */ /* clocks = <&clkctl 16>; */
}; };
nflash: nand@10000200 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "brcm,nand-bcm6368",
"brcm,brcmnand-v4.0",
"brcm,brcmnand";
reg = <0x10000200 0x180>,
<0x10000600 0x200>,
<0x100000b0 0x10>;
reg-names = "nand",
"nand-cache",
"nand-int-base";
interrupt-parent = <&periph_intc>;
interrupts = <50>;
/* clocks = <&clkctl 20>; */
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_nand>;
status = "disabled";
};
leds: led-controller@10001900 { leds: led-controller@10001900 {
#address-cells = <1>; #address-cells = <1>;
#size-cells = <0>; #size-cells = <0>;

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@ -4,6 +4,7 @@
compatible = "brcm,bcm6328"; compatible = "brcm,bcm6328";
aliases { aliases {
nflash = &nflash;
pinctrl = &pinctrl; pinctrl = &pinctrl;
serial0 = &uart0; serial0 = &uart0;
serial1 = &uart1; serial1 = &uart1;
@ -179,6 +180,25 @@
status = "disabled"; status = "disabled";
}; };
nflash: nand@10000200 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "brcm,nand-bcm6368",
"brcm,brcmnand-v2.2",
"brcm,brcmnand";
reg = <0x10000200 0x180>,
<0x10000400 0x200>,
<0x10000070 0x10>;
reg-names = "nand",
"nand-cache",
"nand-int-base";
interrupt-parent = <&periph_intc>;
interrupts = <0>;
status = "disabled";
};
leds: led-controller@10000800 { leds: led-controller@10000800 {
#address-cells = <1>; #address-cells = <1>;
#size-cells = <0>; #size-cells = <0>;

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@ -4,6 +4,7 @@
compatible = "brcm,bcm6362"; compatible = "brcm,bcm6362";
aliases { aliases {
nflash = &nflash;
pinctrl = &pinctrl; pinctrl = &pinctrl;
serial0 = &uart0; serial0 = &uart0;
serial1 = &uart1; serial1 = &uart1;
@ -283,6 +284,30 @@
/* clocks = <&clkctl 16>; */ /* clocks = <&clkctl 16>; */
}; };
nflash: nand@10000200 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "brcm,nand-bcm6368",
"brcm,brcmnand-v2.2",
"brcm,brcmnand";
reg = <0x10000200 0x180>,
<0x10000600 0x200>,
<0x10000070 0x10>;
reg-names = "nand",
"nand-cache",
"nand-int-base";
interrupt-parent = <&periph_intc>;
interrupts = <12>;
/* clocks = <&clkctl 20>; */
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_nand>;
status = "disabled";
};
leds: led-controller@10001900 { leds: led-controller@10001900 {
#address-cells = <1>; #address-cells = <1>;
#size-cells = <0>; #size-cells = <0>;

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@ -4,6 +4,7 @@
compatible = "brcm,bcm6368"; compatible = "brcm,bcm6368";
aliases { aliases {
nflash = &nflash;
pflash = &pflash; pflash = &pflash;
pinctrl = &pinctrl; pinctrl = &pinctrl;
serial0 = &uart0; serial0 = &uart0;
@ -298,6 +299,27 @@
status = "disabled"; status = "disabled";
}; };
nflash: nand@10000200 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "brcm,nand-bcm6368",
"brcm,brcmnand-v2.1",
"brcm,brcmnand";
reg = <0x10000200 0x180>,
<0x10000600 0x200>,
<0x10000070 0x10>;
reg-names = "nand",
"nand-cache",
"nand-int-base";
interrupt-parent = <&periph_intc>;
interrupts = <10>;
/* clocks = <&clkctl 17>; */
status = "disabled";
};
lsspi: spi@10000800 { lsspi: spi@10000800 {
#address-cells = <1>; #address-cells = <1>;
#size-cells = <0>; #size-cells = <0>;

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@ -105,6 +105,79 @@ define Build/cfe-bin
$(CFE_EXTRAS) $(1) $(CFE_EXTRAS) $(1)
endef endef
define Build/cfe-jffs2
$(STAGING_DIR_HOST)/bin/mkfs.jffs2 \
--big-endian \
--pad \
--no-cleanmarkers \
--eraseblock=$(patsubst %k,%KiB,$(BLOCKSIZE)) \
--root=$(1) \
--output=$@ \
--compression-mode=none
$(call Build/pad-to,$(BLOCKSIZE))
endef
define Build/cfe-jffs2-cferam
mv $@ $@.kernel
rm -rf $@-cferam
mkdir -p $@-cferam
# CFE ROM checks JFFS2 dirent version of cferam.
# If version is not > 0 it will ignore the fs entry.
# JFFS2 sets version 0 to the first fs entry and increments
# it on the following ones, so let's create a dummy file that
# will have version 0 and let cferam be the second (version 1).
touch $@-cferam/1-openwrt
# Add cferam as the last file in the JFFS2 partition
cp $(KDIR)/bcm63xx-cfe/$(CFE_RAM_FILE) $@-cferam/$(CFE_RAM_JFFS2_NAME)
# The JFFS2 partition creation should result in the following
# layout:
# 1) 1-openwrt (version 0, ino 2)
# 2) cferam.000 (version 1, ino 3)
$(call Build/cfe-jffs2,$@-cferam)
# Some devices need padding between CFE RAM and kernel
$(if $(CFE_RAM_JFFS2_PAD),$(call Build/pad-to,$(CFE_RAM_JFFS2_PAD)))
# Append kernel
dd if=$@.kernel >> $@
rm -f $@.kernel
endef
define Build/cfe-jffs2-kernel
rm -rf $@-kernel
mkdir -p $@-kernel
# CFE RAM checks JFFS2 dirent version of vmlinux.
# If version is not > 0 it will ignore the fs entry.
# JFFS2 sets version 0 to the first fs entry and increments
# it on the following ones, so let's create a dummy file that
# will have version 0 and let cferam be the second (version 1).
touch $@-kernel/1-openwrt
# vmlinux is located on a different JFFS2 partition, but CFE RAM
# ignores it, so let's create another dummy file that will match
# the JFFS2 ino of cferam entry on the first JFFS2 partition.
# CFE RAM won't be able to find vmlinux if cferam has the same
# ino as vmlinux.
touch $@-kernel/2-openwrt
# Add vmlinux as the last file in the JFFS2 partition
$(TOPDIR)/scripts/cfe-bin-header.py \
--input-file $@ \
--output-file $@-kernel/vmlinux.lz \
--load-addr $(LOADER_ENTRY) \
--entry-addr $(LOADER_ENTRY)
# The JFFS2 partition creation should result in the following
# layout:
# 1) 1-openwrt (version 0, ino 2)
# 2) 2-openwrt (version 1, ino 3)
# 3) vmlinux.lz (version 2, ino 4)
$(call Build/cfe-jffs2,$@-kernel)
endef
define Build/cfe-old-bin define Build/cfe-old-bin
$(TOPDIR)/scripts/brcmImage.pl -t -p \ $(TOPDIR)/scripts/brcmImage.pl -t -p \
-o $@ -b $(CFE_BOARD_ID) -c $(CFE_CHIP_ID) \ -o $@ -b $(CFE_BOARD_ID) -c $(CFE_CHIP_ID) \
@ -121,6 +194,17 @@ define Build/cfe-spw303v-bin
$(CFE_EXTRAS) $(1) $(CFE_EXTRAS) $(1)
endef endef
define Build/cfe-wfi-tag
$(TOPDIR)/scripts/cfe-wfi-tag.py \
--input-file $@ \
--output-file $@.new \
--version $(if $(1),$(1),$(CFE_WFI_VERSION)) \
--chip-id $(CFE_WFI_CHIP_ID) \
--flash-type $(CFE_WFI_FLASH_TYPE) \
$(if $(CFE_WFI_FLAGS),--flags $(CFE_WFI_FLAGS))
mv $@.new $@
endef
define Build/spw303v-bin define Build/spw303v-bin
$(STAGING_DIR_HOST)/bin/spw303v -i $@ -o $@.spw303v $(STAGING_DIR_HOST)/bin/spw303v -i $@ -o $@.spw303v
mv $@.spw303v $@ mv $@.spw303v $@
@ -170,4 +254,8 @@ USB2_PACKAGES := kmod-usb2 kmod-usb-ohci kmod-usb-ledtrig-usbport
include bcm63xx.mk include bcm63xx.mk
ifeq ($(SUBTARGET),smp)
include bcm63xx_nand.mk
endif
$(eval $(call BuildImage)) $(eval $(call BuildImage))

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@ -0,0 +1,35 @@
#
# BCM63XX NAND Profiles
#
DEVICE_VARS += CFE_RAM_FILE
DEVICE_VARS += CFE_RAM_JFFS2_NAME CFE_RAM_JFFS2_PAD
DEVICE_VARS += CFE_WFI_CHIP_ID CFE_WFI_FLASH_TYPE
DEVICE_VARS += CFE_WFI_FLAGS CFE_WFI_VERSION
# CFE expects a single JFFS2 partition with cferam and kernel. However,
# it's possible to fool CFE into properly loading both cferam and kernel
# from two different JFFS2 partitions by adding dummy files (see
# cfe-jffs2-cferam and cfe-jffs2-kernel).
# Separate JFFS2 partitions allow upgrading openwrt without reflashing cferam
# JFFS2 partition, which is much safer in case anything goes wrong.
define Device/bcm63xx-nand
FILESYSTEMS := squashfs ubifs
KERNEL := kernel-bin | append-dtb | relocate-kernel | lzma | cfe-jffs2-kernel
KERNEL_INITRAMFS := kernel-bin | append-dtb | lzma | loader-lzma elf
IMAGES := cfe.bin sysupgrade.bin
IMAGE/cfe.bin := append-kernel | pad-to $$$$(KERNEL_SIZE) | cfe-jffs2-cferam | append-ubi | cfe-wfi-tag
IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
KERNEL_SIZE := 5120k
CFE_CHIP_ID :=
CFE_RAM_FILE :=
CFE_RAM_JFFS2_NAME :=
CFE_RAM_JFFS2_PAD :=
CFE_WFI_VERSION := 0x5731
CFE_WFI_CHIP_ID = 0x$$(CFE_CHIP_ID)
CFE_WFI_FLASH_TYPE :=
CFE_WFI_FLAGS :=
UBINIZE_OPTS := -E 5
DEVICE_PACKAGES += nand-utils
SUPPORTED_DEVICES := $(subst _,$(comma),$(1))
endef

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@ -0,0 +1,50 @@
--- a/arch/mips/bcm63xx/clk.c
+++ b/arch/mips/bcm63xx/clk.c
@@ -430,6 +430,23 @@ static struct clk clk_pcie = {
};
/*
+ * NAND clock
+ */
+static void nand_set(struct clk *clk, int enable)
+{
+ if (BCMCPU_IS_6362())
+ bcm_hwclock_set(CKCTL_6362_NAND_EN, enable);
+ else if (BCMCPU_IS_6368())
+ bcm_hwclock_set(CKCTL_6368_NAND_EN, enable);
+ else if (BCMCPU_IS_63268())
+ bcm_hwclock_set(CKCTL_63268_NAND_EN, enable);
+}
+
+static struct clk clk_nand = {
+ .set = nand_set,
+};
+
+/*
* Internal peripheral clock
*/
static struct clk clk_periph = {
@@ -612,6 +629,7 @@ static struct clk_lookup bcm6362_clks[]
CLKDEV_INIT("bcm63xx-hsspi.0", "pll", &clk_hsspi_pll),
CLKDEV_INIT("10001000.spi", "pll", &clk_hsspi_pll),
/* gated clocks */
+ CLKDEV_INIT(NULL, "nand", &clk_nand),
CLKDEV_INIT(NULL, "enetsw", &clk_enetsw),
CLKDEV_INIT(NULL, "usbh", &clk_usbh),
CLKDEV_INIT(NULL, "usbd", &clk_usbd),
@@ -629,6 +647,7 @@ static struct clk_lookup bcm6368_clks[]
CLKDEV_INIT("10000100.serial", "refclk", &clk_periph),
CLKDEV_INIT("10000120.serial", "refclk", &clk_periph),
/* gated clocks */
+ CLKDEV_INIT(NULL, "nand", &clk_nand),
CLKDEV_INIT(NULL, "enetsw", &clk_enetsw),
CLKDEV_INIT(NULL, "usbh", &clk_usbh),
CLKDEV_INIT(NULL, "usbd", &clk_usbd),
@@ -647,6 +666,7 @@ static struct clk_lookup bcm63268_clks[]
CLKDEV_INIT("bcm63xx-hsspi.0", "pll", &clk_hsspi_pll),
CLKDEV_INIT("10001000.spi", "pll", &clk_hsspi_pll),
/* gated clocks */
+ CLKDEV_INIT(NULL, "nand", &clk_nand),
CLKDEV_INIT(NULL, "enetsw", &clk_enetsw),
CLKDEV_INIT(NULL, "usbh", &clk_usbh),
CLKDEV_INIT(NULL, "usbd", &clk_usbd),

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@ -0,0 +1,145 @@
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
@@ -181,7 +181,8 @@ enum bcm63xx_regs_set {
RSET_PCMDMAC,
RSET_PCMDMAS,
RSET_RNG,
- RSET_MISC
+ RSET_MISC,
+ RSET_NAND
};
#define RSET_DSL_LMEM_SIZE (64 * 1024 * 4)
@@ -259,6 +260,7 @@ enum bcm63xx_regs_set {
#define BCM_3368_PCMDMAS_BASE (0xdeadbeef)
#define BCM_3368_RNG_BASE (0xdeadbeef)
#define BCM_3368_MISC_BASE (0xdeadbeef)
+#define BCM_3368_NAND_BASE (0xdeadbeef)
/*
* 6318 register sets base address
@@ -306,6 +308,7 @@ enum bcm63xx_regs_set {
#define BCM_6318_PCMDMAS_BASE (0xdeadbeef)
#define BCM_6318_RNG_BASE (0xdeadbeef)
#define BCM_6318_MISC_BASE (0xb0000280)
+#define BCM_6318_NAND_BASE (0xdeadbeef)
#define BCM_6318_OTP_BASE (0xdeadbeef)
#define BCM_6318_STRAP_BASE (0xb0000900)
@@ -356,6 +359,7 @@ enum bcm63xx_regs_set {
#define BCM_6328_PCMDMAS_BASE (0xdeadbeef)
#define BCM_6328_RNG_BASE (0xdeadbeef)
#define BCM_6328_MISC_BASE (0xb0001800)
+#define BCM_6328_NAND_BASE (0xb0000200)
#define BCM_6328_OTP_BASE (0xb0000600)
/*
@@ -405,6 +409,7 @@ enum bcm63xx_regs_set {
#define BCM_6338_PCMDMAS_BASE (0xdeadbeef)
#define BCM_6338_RNG_BASE (0xdeadbeef)
#define BCM_6338_MISC_BASE (0xdeadbeef)
+#define BCM_6338_NAND_BASE (0xdeadbeef)
/*
* 6345 register sets base address
@@ -453,6 +458,7 @@ enum bcm63xx_regs_set {
#define BCM_6345_PCMDMAS_BASE (0xdeadbeef)
#define BCM_6345_RNG_BASE (0xdeadbeef)
#define BCM_6345_MISC_BASE (0xdeadbeef)
+#define BCM_6345_NAND_BASE (0xdeadbeef)
/*
* 6348 register sets base address
@@ -499,6 +505,7 @@ enum bcm63xx_regs_set {
#define BCM_6348_PCMDMAS_BASE (0xdeadbeef)
#define BCM_6348_RNG_BASE (0xdeadbeef)
#define BCM_6348_MISC_BASE (0xdeadbeef)
+#define BCM_6348_NAND_BASE (0xdeadbeef)
/*
* 6358 register sets base address
@@ -545,7 +552,7 @@ enum bcm63xx_regs_set {
#define BCM_6358_PCMDMAS_BASE (0xfffe1a00)
#define BCM_6358_RNG_BASE (0xdeadbeef)
#define BCM_6358_MISC_BASE (0xdeadbeef)
-
+#define BCM_6358_NAND_BASE (0xdeadbeef)
/*
* 6362 register sets base address
@@ -593,6 +600,7 @@ enum bcm63xx_regs_set {
#define BCM_6362_PCMDMAS_BASE (0xdeadbeef)
#define BCM_6362_RNG_BASE (0xdeadbeef)
#define BCM_6362_MISC_BASE (0xb0001800)
+#define BCM_6362_NAND_BASE (0xb0000200)
#define BCM_6362_NAND_REG_BASE (0xb0000200)
#define BCM_6362_NAND_CACHE_BASE (0xb0000600)
@@ -648,6 +656,7 @@ enum bcm63xx_regs_set {
#define BCM_6368_PCMDMAS_BASE (0xb0005c00)
#define BCM_6368_RNG_BASE (0xb0004180)
#define BCM_6368_MISC_BASE (0xdeadbeef)
+#define BCM_6368_NAND_BASE (0xb0000200)
/*
* 63268 register sets base address
@@ -695,6 +704,7 @@ enum bcm63xx_regs_set {
#define BCM_63268_PCMDMAS_BASE (0xdeadbeef)
#define BCM_63268_RNG_BASE (0xdeadbeef)
#define BCM_63268_MISC_BASE (0xb0001800)
+#define BCM_63268_NAND_BASE (0xb0000200)
extern const unsigned long *bcm63xx_regs_base;
@@ -740,6 +750,7 @@ extern const unsigned long *bcm63xx_regs
[RSET_PCMDMAS] = BCM_## __cpu ##_PCMDMAS_BASE, \
[RSET_RNG] = BCM_## __cpu ##_RNG_BASE, \
[RSET_MISC] = BCM_## __cpu ##_MISC_BASE, \
+ [RSET_NAND] = BCM_## __cpu ##_NAND_BASE, \
static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set)
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h
@@ -111,5 +111,7 @@
#define bcm_ddr_writel(v, o) bcm_rset_writel(RSET_DDR, (v), (o))
#define bcm_misc_readl(o) bcm_rset_readl(RSET_MISC, (o))
#define bcm_misc_writel(v, o) bcm_rset_writel(RSET_MISC, (v), (o))
+#define bcm_nand_readl(o) bcm_rset_readl(RSET_NAND, (o))
+#define bcm_nand_writel(v, o) bcm_rset_writel(RSET_NAND, (v), (o))
#endif /* ! BCM63XX_IO_H_ */
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
@@ -1688,4 +1688,31 @@
#define OTP_USER_BITS_6328_REG(i) (0x20 + (i) * 4)
#define OTP_6328_REG3_TP1_DISABLED BIT(9)
+/*************************************************************************
+ * _REG relative to RSET_NAND
+ *************************************************************************/
+
+#define NAND_CS_SEL_REG 0x14
+#define NAND_CS_SEL_EBC_CS0_SEL (1 << 0)
+#define NAND_CS_SEL_EBC_CS1_SEL (1 << 1)
+#define NAND_CS_SEL_EBC_CS2_SEL (1 << 2)
+#define NAND_CS_SEL_EBC_CS3_SEL (1 << 3)
+#define NAND_CS_SEL_EBC_CS4_SEL (1 << 4)
+#define NAND_CS_SEL_EBC_CS5_SEL (1 << 5)
+#define NAND_CS_SEL_EBC_CS6_SEL (1 << 6)
+#define NAND_CS_SEL_EBC_CS7_SEL (1 << 7)
+#define NAND_CS_SEL_EBI_CS0_USES_NAND (1 << 8)
+#define NAND_CS_SEL_EBI_CS1_USES_NAND (1 << 9)
+#define NAND_CS_SEL_EBI_CS2_USES_NAND (1 << 10)
+#define NAND_CS_SEL_EBI_CS3_USES_NAND (1 << 11)
+#define NAND_CS_SEL_EBI_CS4_USES_NAND (1 << 12)
+#define NAND_CS_SEL_EBI_CS5_USES_NAND (1 << 13)
+#define NAND_CS_SEL_EBI_CS6_USES_NAND (1 << 14)
+#define NAND_CS_SEL_EBI_CS7_USES_NAND (1 << 15)
+#define NAND_CS_SEL_WR_PROT_BLK0 (1 << 28)
+#define NAND_CS_SEL_AUTO_DEV_ID (1 << 30)
+#define NAND_CS_SEL_CS_LOCK (1 << 31)
+
+#define NAND_CS_XOR_REG 0x18
+
#endif /* BCM63XX_REGS_H_ */

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@ -0,0 +1,17 @@
--- a/arch/mips/bcm63xx/dev-flash.c
+++ b/arch/mips/bcm63xx/dev-flash.c
@@ -229,6 +229,14 @@ void __init bcm63xx_flash_detect(void)
}
bcm_rset_writel(RSET_HSSPI, val, HSSPI_FLASH_CTRL_REG);
+ } else if (flash_type == BCM63XX_FLASH_TYPE_NAND &&
+ (BCMCPU_IS_6328() || BCMCPU_IS_6362() || BCMCPU_IS_6368() ||
+ BCMCPU_IS_63268())) {
+ bcm_nand_writel(NAND_CS_SEL_AUTO_DEV_ID
+ | NAND_CS_SEL_EBI_CS0_USES_NAND
+ | NAND_CS_SEL_EBC_CS0_SEL,
+ NAND_CS_SEL_REG);
+ bcm_nand_writel(1, NAND_CS_XOR_REG);
}
}

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@ -0,0 +1,17 @@
--- a/arch/mips/bcm63xx/dev-flash.c
+++ b/arch/mips/bcm63xx/dev-flash.c
@@ -271,8 +271,12 @@ int __init bcm63xx_flash_register(void)
return -ENODEV;
}
case BCM63XX_FLASH_TYPE_NAND:
- pr_warn("unsupported NAND flash detected\n");
- return -ENODEV;
+ if (board_of_device_present("nflash")) {
+ return 0;
+ } else {
+ pr_warn("unsupported NAND flash detected\n");
+ return -ENODEV;
+ }
default:
pr_err("flash detection failed for BCM%x: %d\n",
bcm63xx_get_cpu_id(), flash_type);

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@ -0,0 +1,11 @@
--- a/drivers/mtd/nand/raw/nand_base.c
+++ b/drivers/mtd/nand/raw/nand_base.c
@@ -488,7 +488,7 @@ static int nand_do_write_oob(struct nand
nand_fill_oob(chip, ops->oobbuf, ops->ooblen, ops);
- if (ops->mode == MTD_OPS_RAW)
+ if (ops->mode == MTD_OPS_AUTO_OOB || ops->mode == MTD_OPS_RAW)
status = chip->ecc.write_oob_raw(chip, page & chip->pagemask);
else
status = chip->ecc.write_oob(chip, page & chip->pagemask);

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@ -0,0 +1,42 @@
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -1787,28 +1787,31 @@ static int brcmnand_read_by_pio(struct m
static int brcmstb_nand_verify_erased_page(struct mtd_info *mtd,
struct nand_chip *chip, void *buf, u64 addr)
{
- int i, sas;
- void *oob = chip->oob_poi;
+ struct mtd_oob_region ecc;
+ int i;
int bitflips = 0;
int page = addr >> chip->page_shift;
int ret;
+ void *ecc_bytes;
void *ecc_chunk;
if (!buf)
buf = nand_get_data_buf(chip);
- sas = mtd->oobsize / chip->ecc.steps;
-
/* read without ecc for verification */
ret = chip->ecc.read_page_raw(chip, buf, true, page);
if (ret)
return ret;
- for (i = 0; i < chip->ecc.steps; i++, oob += sas) {
+ for (i = 0; i < chip->ecc.steps; i++) {
ecc_chunk = buf + chip->ecc.size * i;
- ret = nand_check_erased_ecc_chunk(ecc_chunk,
- chip->ecc.size,
- oob, sas, NULL, 0,
+
+ mtd_ooblayout_ecc(mtd, i, &ecc);
+ ecc_bytes = chip->oob_poi + ecc.offset;
+
+ ret = nand_check_erased_ecc_chunk(ecc_chunk, chip->ecc.size,
+ ecc_bytes, ecc.length,
+ NULL, 0,
chip->ecc.strength);
if (ret < 0)
return ret;

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@ -0,0 +1,21 @@
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -1019,11 +1019,14 @@ static int brcmnand_hamming_ooblayout_fr
if (!section) {
/*
* Small-page NAND use byte 6 for BBI while large-page
- * NAND use byte 0.
+ * NAND use bytes 0 and 1.
*/
- if (cfg->page_size > 512)
- oobregion->offset++;
- oobregion->length--;
+ if (cfg->page_size > 512) {
+ oobregion->offset += 2;
+ oobregion->length -= 2;
+ } else {
+ oobregion->length--;
+ }
}
}

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@ -0,0 +1,52 @@
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -1003,33 +1003,30 @@ static int brcmnand_hamming_ooblayout_fr
struct brcmnand_cfg *cfg = &host->hwcfg;
int sas = cfg->spare_area_size << cfg->sector_size_1k;
int sectors = cfg->page_size / (512 << cfg->sector_size_1k);
+ u32 next;
- if (section >= sectors * 2)
+ if (section > sectors)
return -ERANGE;
- oobregion->offset = (section / 2) * sas;
+ next = (section * sas);
+ if (section < sectors)
+ next += 6;
- if (section & 1) {
- oobregion->offset += 9;
- oobregion->length = 7;
+ if (section) {
+ oobregion->offset = ((section - 1) * sas) + 9;
} else {
- oobregion->length = 6;
-
- /* First sector of each page may have BBI */
- if (!section) {
- /*
- * Small-page NAND use byte 6 for BBI while large-page
- * NAND use bytes 0 and 1.
- */
- if (cfg->page_size > 512) {
- oobregion->offset += 2;
- oobregion->length -= 2;
- } else {
- oobregion->length--;
- }
+ if (cfg->page_size > 512) {
+ /* Large page NAND uses first 2 bytes for BBI */
+ oobregion->offset = 2;
+ } else {
+ /* Small page NAND uses last byte before ECC for BBI */
+ oobregion->offset = 0;
+ next--;
}
}
+ oobregion->length = next - oobregion->offset;
+
return 0;
}

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@ -0,0 +1,24 @@
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -269,8 +269,8 @@ enum brcmnand_reg {
BRCMNAND_FC_BASE,
};
-/* BRCMNAND v4.0 */
-static const u16 brcmnand_regs_v40[] = {
+/* BRCMNAND v3.3-v4.0 */
+static const u16 brcmnand_regs_v33[] = {
[BRCMNAND_CMD_START] = 0x04,
[BRCMNAND_CMD_EXT_ADDRESS] = 0x08,
[BRCMNAND_CMD_ADDRESS] = 0x0c,
@@ -522,8 +522,8 @@ static int brcmnand_revision_init(struct
ctrl->reg_offsets = brcmnand_regs_v60;
else if (ctrl->nand_version >= 0x0500)
ctrl->reg_offsets = brcmnand_regs_v50;
- else if (ctrl->nand_version >= 0x0400)
- ctrl->reg_offsets = brcmnand_regs_v40;
+ else if (ctrl->nand_version >= 0x0303)
+ ctrl->reg_offsets = brcmnand_regs_v33;
/* Chip-select stride */
if (ctrl->nand_version >= 0x0701)

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@ -0,0 +1,14 @@
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -537,8 +537,9 @@ static int brcmnand_revision_init(struct
} else {
ctrl->cs_offsets = brcmnand_cs_offsets;
- /* v5.0 and earlier has a different CS0 offset layout */
- if (ctrl->nand_version <= 0x0500)
+ /* v3.3-5.0 have a different CS0 offset layout */
+ if (ctrl->nand_version >= 0x0303 &&
+ ctrl->nand_version <= 0x0500)
ctrl->cs0_offsets = brcmnand_cs_offsets_cs0;
}

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@ -0,0 +1,20 @@
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -502,7 +502,7 @@ static int brcmnand_revision_init(struct
{
static const unsigned int block_sizes_v6[] = { 8, 16, 128, 256, 512, 1024, 2048, 0 };
static const unsigned int block_sizes_v4[] = { 16, 128, 8, 512, 256, 1024, 2048, 0 };
- static const unsigned int page_sizes[] = { 512, 2048, 4096, 8192, 0 };
+ static const unsigned int page_sizes_v3_4[] = { 512, 2048, 4096, 8192, 0 };
ctrl->nand_version = nand_readreg(ctrl, 0) & 0xffff;
@@ -549,7 +549,7 @@ static int brcmnand_revision_init(struct
ctrl->max_page_size = 16 * 1024;
ctrl->max_block_size = 2 * 1024 * 1024;
} else {
- ctrl->page_sizes = page_sizes;
+ ctrl->page_sizes = page_sizes_v3_4;
if (ctrl->nand_version >= 0x0600)
ctrl->block_sizes = block_sizes_v6;
else

View File

@ -0,0 +1,143 @@
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -269,6 +269,36 @@ enum brcmnand_reg {
BRCMNAND_FC_BASE,
};
+/* BRCMNAND v2.1-v2.2 */
+static const u16 brcmnand_regs_v21[] = {
+ [BRCMNAND_CMD_START] = 0x04,
+ [BRCMNAND_CMD_EXT_ADDRESS] = 0x08,
+ [BRCMNAND_CMD_ADDRESS] = 0x0c,
+ [BRCMNAND_INTFC_STATUS] = 0x5c,
+ [BRCMNAND_CS_SELECT] = 0x14,
+ [BRCMNAND_CS_XOR] = 0x18,
+ [BRCMNAND_LL_OP] = 0,
+ [BRCMNAND_CS0_BASE] = 0x40,
+ [BRCMNAND_CS1_BASE] = 0,
+ [BRCMNAND_CORR_THRESHOLD] = 0,
+ [BRCMNAND_CORR_THRESHOLD_EXT] = 0,
+ [BRCMNAND_UNCORR_COUNT] = 0,
+ [BRCMNAND_CORR_COUNT] = 0,
+ [BRCMNAND_CORR_EXT_ADDR] = 0x60,
+ [BRCMNAND_CORR_ADDR] = 0x64,
+ [BRCMNAND_UNCORR_EXT_ADDR] = 0x68,
+ [BRCMNAND_UNCORR_ADDR] = 0x6c,
+ [BRCMNAND_SEMAPHORE] = 0x50,
+ [BRCMNAND_ID] = 0x54,
+ [BRCMNAND_ID_EXT] = 0,
+ [BRCMNAND_LL_RDATA] = 0,
+ [BRCMNAND_OOB_READ_BASE] = 0x20,
+ [BRCMNAND_OOB_READ_10_BASE] = 0,
+ [BRCMNAND_OOB_WRITE_BASE] = 0x30,
+ [BRCMNAND_OOB_WRITE_10_BASE] = 0,
+ [BRCMNAND_FC_BASE] = 0x200,
+};
+
/* BRCMNAND v3.3-v4.0 */
static const u16 brcmnand_regs_v33[] = {
[BRCMNAND_CMD_START] = 0x04,
@@ -502,12 +532,16 @@ static int brcmnand_revision_init(struct
{
static const unsigned int block_sizes_v6[] = { 8, 16, 128, 256, 512, 1024, 2048, 0 };
static const unsigned int block_sizes_v4[] = { 16, 128, 8, 512, 256, 1024, 2048, 0 };
+ static const unsigned int block_sizes_v2_2[] = { 16, 128, 8, 512, 256, 0 };
+ static const unsigned int block_sizes_v2_1[] = { 16, 128, 8, 512, 0 };
static const unsigned int page_sizes_v3_4[] = { 512, 2048, 4096, 8192, 0 };
+ static const unsigned int page_sizes_v2_2[] = { 512, 2048, 4096, 0 };
+ static const unsigned int page_sizes_v2_1[] = { 512, 2048, 0 };
ctrl->nand_version = nand_readreg(ctrl, 0) & 0xffff;
- /* Only support v4.0+? */
- if (ctrl->nand_version < 0x0400) {
+ /* Only support v2.1+ */
+ if (ctrl->nand_version < 0x0201) {
dev_err(ctrl->dev, "version %#x not supported\n",
ctrl->nand_version);
return -ENODEV;
@@ -524,6 +558,8 @@ static int brcmnand_revision_init(struct
ctrl->reg_offsets = brcmnand_regs_v50;
else if (ctrl->nand_version >= 0x0303)
ctrl->reg_offsets = brcmnand_regs_v33;
+ else if (ctrl->nand_version >= 0x0201)
+ ctrl->reg_offsets = brcmnand_regs_v21;
/* Chip-select stride */
if (ctrl->nand_version >= 0x0701)
@@ -549,14 +585,27 @@ static int brcmnand_revision_init(struct
ctrl->max_page_size = 16 * 1024;
ctrl->max_block_size = 2 * 1024 * 1024;
} else {
- ctrl->page_sizes = page_sizes_v3_4;
+ if (ctrl->nand_version >= 0x0304)
+ ctrl->page_sizes = page_sizes_v3_4;
+ else if (ctrl->nand_version >= 0x0202)
+ ctrl->page_sizes = page_sizes_v2_2;
+ else
+ ctrl->page_sizes = page_sizes_v2_1;
+
if (ctrl->nand_version >= 0x0600)
ctrl->block_sizes = block_sizes_v6;
- else
+ else if (ctrl->nand_version >= 0x0400)
ctrl->block_sizes = block_sizes_v4;
+ else if (ctrl->nand_version >= 0x0202)
+ ctrl->block_sizes = block_sizes_v2_2;
+ else
+ ctrl->block_sizes = block_sizes_v2_1;
if (ctrl->nand_version < 0x0400) {
- ctrl->max_page_size = 4096;
+ if (ctrl->nand_version < 0x0202)
+ ctrl->max_page_size = 2048;
+ else
+ ctrl->max_page_size = 4096;
ctrl->max_block_size = 512 * 1024;
}
}
@@ -724,6 +773,9 @@ static void brcmnand_wr_corr_thresh(stru
enum brcmnand_reg reg = BRCMNAND_CORR_THRESHOLD;
int cs = host->cs;
+ if (!ctrl->reg_offsets[reg])
+ return;
+
if (ctrl->nand_version == 0x0702)
bits = 7;
else if (ctrl->nand_version >= 0x0600)
@@ -782,8 +834,10 @@ static inline u32 brcmnand_spare_area_ma
return GENMASK(7, 0);
else if (ctrl->nand_version >= 0x0600)
return GENMASK(6, 0);
- else
+ else if (ctrl->nand_version >= 0x0303)
return GENMASK(5, 0);
+ else
+ return GENMASK(4, 0);
}
#define NAND_ACC_CONTROL_ECC_SHIFT 16
@@ -2158,9 +2212,11 @@ static int brcmnand_set_cfg(struct brcmn
tmp = nand_readreg(ctrl, acc_control_offs);
tmp &= ~brcmnand_ecc_level_mask(ctrl);
- tmp |= cfg->ecc_level << NAND_ACC_CONTROL_ECC_SHIFT;
tmp &= ~brcmnand_spare_area_mask(ctrl);
- tmp |= cfg->spare_area_size;
+ if (ctrl->nand_version >= 0x0302) {
+ tmp |= cfg->ecc_level << NAND_ACC_CONTROL_ECC_SHIFT;
+ tmp |= cfg->spare_area_size;
+ }
nand_writereg(ctrl, acc_control_offs, tmp);
brcmnand_set_sector_size_1k(host, cfg->sector_size_1k);
@@ -2524,6 +2580,8 @@ const struct dev_pm_ops brcmnand_pm_ops
EXPORT_SYMBOL_GPL(brcmnand_pm_ops);
static const struct of_device_id brcmnand_of_match[] = {
+ { .compatible = "brcm,brcmnand-v2.1" },
+ { .compatible = "brcm,brcmnand-v2.2" },
{ .compatible = "brcm,brcmnand-v4.0" },
{ .compatible = "brcm,brcmnand-v5.0" },
{ .compatible = "brcm,brcmnand-v6.0" },

View File

@ -76,7 +76,7 @@
#include <bcm63xx_cpu.h> #include <bcm63xx_cpu.h>
#include <bcm63xx_dev_flash.h> #include <bcm63xx_dev_flash.h>
#include <bcm63xx_regs.h> #include <bcm63xx_regs.h>
@@ -248,6 +249,13 @@ int __init bcm63xx_flash_register(void) @@ -256,6 +257,13 @@ int __init bcm63xx_flash_register(void)
val = bcm_mpi_readl(MPI_CSBASE_REG(0)); val = bcm_mpi_readl(MPI_CSBASE_REG(0));
val &= MPI_CSBASE_BASE_MASK; val &= MPI_CSBASE_BASE_MASK;

View File

@ -1,17 +1,48 @@
CONFIG_CPU_RMAP=y CONFIG_CPU_RMAP=y
CONFIG_CRC16=y
CONFIG_CRYPTO_ACOMP2=y
CONFIG_CRYPTO_AEAD=y CONFIG_CRYPTO_AEAD=y
CONFIG_CRYPTO_AEAD2=y CONFIG_CRYPTO_AEAD2=y
CONFIG_CRYPTO_DEFLATE=y
CONFIG_CRYPTO_HASH_INFO=y
CONFIG_CRYPTO_HASH2=y CONFIG_CRYPTO_HASH2=y
CONFIG_CRYPTO_LZO=y
CONFIG_CRYPTO_MANAGER=y CONFIG_CRYPTO_MANAGER=y
CONFIG_CRYPTO_MANAGER2=y CONFIG_CRYPTO_MANAGER2=y
CONFIG_CRYPTO_NULL2=y CONFIG_CRYPTO_NULL2=y
CONFIG_CRYPTO_ZSTD=y
CONFIG_JFFS2_FS_NAND=y
CONFIG_LZO_COMPRESS=y
CONFIG_LZO_DECOMPRESS=y
CONFIG_MTD_NAND_BRCMNAND=y
CONFIG_MTD_NAND_CORE=y
CONFIG_MTD_NAND_ECC_SW_HAMMING=y
CONFIG_MTD_RAW_NAND=y
CONFIG_MTD_SPLIT_BCM_WFI_FW=y
CONFIG_MTD_UBI=y
CONFIG_MTD_UBI_BEB_LIMIT=20
CONFIG_MTD_UBI_BLOCK=y
# CONFIG_MTD_UBI_FASTMAP is not set
# CONFIG_MTD_UBI_GLUEBI is not set
CONFIG_MTD_UBI_WL_THRESHOLD=4096
CONFIG_NET_FLOW_LIMIT=y CONFIG_NET_FLOW_LIMIT=y
CONFIG_NR_CPUS=2 CONFIG_NR_CPUS=2
CONFIG_PADATA=y CONFIG_PADATA=y
CONFIG_RCU_STALL_COMMON=y CONFIG_RCU_STALL_COMMON=y
CONFIG_RFS_ACCEL=y CONFIG_RFS_ACCEL=y
CONFIG_RPS=y CONFIG_RPS=y
CONFIG_SGL_ALLOC=y
CONFIG_SMP=y CONFIG_SMP=y
CONFIG_SMP_UP=y CONFIG_SMP_UP=y
CONFIG_TREE_RCU=y CONFIG_TREE_RCU=y
CONFIG_UBIFS_FS=y
CONFIG_UBIFS_FS_ADVANCED_COMPR=y
CONFIG_UBIFS_FS_LZO=y
CONFIG_UBIFS_FS_ZLIB=y
CONFIG_UBIFS_FS_ZSTD=y
CONFIG_XPS=y CONFIG_XPS=y
CONFIG_XXHASH=y
CONFIG_ZLIB_DEFLATE=y
CONFIG_ZLIB_INFLATE=y
CONFIG_ZSTD_COMPRESS=y
CONFIG_ZSTD_DECOMPRESS=y

View File

@ -1,8 +1,17 @@
BOARDNAME:=smp BOARDNAME:=smp
FEATURES+=nand
define Target/Description define Target/Description
Build firmware images for BCM63XX boards with SMP support. Build firmware images for BCM63XX boards with SMP and NAND support.
Currently only BCM6362 and BCM6368 supported. SoCs with 2 cores:
- BCM6328 (some boards only have 1 core)
- BCM6358 (SMP unsupported due to shared TLB)
- BCM6362
- BCM6368
- BCM63268
SoCs with NAND controller:
- BCM6328 (v2.2)
- BCM6362 (v2.2)
- BCM6368 (v2.1)
- BCM63268 (v4.0)
endef endef