Merge remote-tracking branch 'linus/master' into testing

13 files changed, 391 insertions, 38 deletions

diff --git a/arch/mips/bcm63xx/Kconfig b/arch/mips/bcm63xx/Kconfig
index 5639662fd50..b78306ce56c 100644
--- a/arch/mips/bcm63xx/Kconfig
+++ b/arch/mips/bcm63xx/Kconfig
@@ -1,6 +1,10 @@
 menu "CPU support"
 	depends on BCM63XX
 
+config BCM63XX_CPU_3368
+	bool "support 3368 CPU"
+	select HW_HAS_PCI
+
 config BCM63XX_CPU_6328
 	bool "support 6328 CPU"
 	select HW_HAS_PCI
@@ -8,14 +12,9 @@ config BCM63XX_CPU_6328
 config BCM63XX_CPU_6338
 	bool "support 6338 CPU"
 	select HW_HAS_PCI
-	select USB_ARCH_HAS_OHCI
-	select USB_OHCI_BIG_ENDIAN_DESC
-	select USB_OHCI_BIG_ENDIAN_MMIO
 
 config BCM63XX_CPU_6345
 	bool "support 6345 CPU"
-	select USB_OHCI_BIG_ENDIAN_DESC
-	select USB_OHCI_BIG_ENDIAN_MMIO
 
 config BCM63XX_CPU_6348
 	bool "support 6348 CPU"
diff --git a/arch/mips/bcm63xx/boards/board_bcm963xx.c b/arch/mips/bcm63xx/boards/board_bcm963xx.c
index a9505c4867e..5b974eb125f 100644
--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
@@ -28,11 +28,47 @@
 #include <bcm63xx_dev_usb_usbd.h>
 #include <board_bcm963xx.h>
 
+#include <uapi/linux/bcm933xx_hcs.h>
+
 #define PFX	"board_bcm963xx: "
 
+#define HCS_OFFSET_128K			0x20000
+
 static struct board_info board;
 
 /*
+ * known 3368 boards
+ */
+#ifdef CONFIG_BCM63XX_CPU_3368
+static struct board_info __initdata board_cvg834g = {
+	.name				= "CVG834G_E15R3921",
+	.expected_cpu_id		= 0x3368,
+
+	.has_uart0			= 1,
+	.has_uart1			= 1,
+
+	.has_enet0			= 1,
+	.has_pci			= 1,
+
+	.enet0 = {
+		.has_phy		= 1,
+		.use_internal_phy	= 1,
+	},
+
+	.leds = {
+		{
+			.name		= "CVG834G:green:power",
+			.gpio		= 37,
+			.default_trigger= "default-on",
+		},
+	},
+
+	.ephy_reset_gpio		= 36,
+	.ephy_reset_gpio_flags		= GPIOF_INIT_HIGH,
+};
+#endif
+
+/*
  * known 6328 boards
  */
 #ifdef CONFIG_BCM63XX_CPU_6328
@@ -639,6 +675,9 @@ static struct board_info __initdata board_DWVS0 = {
  * all boards
  */
 static const struct board_info __initconst *bcm963xx_boards[] = {
+#ifdef CONFIG_BCM63XX_CPU_3368
+	&board_cvg834g,
+#endif
 #ifdef CONFIG_BCM63XX_CPU_6328
 	&board_96328avng,
 #endif
@@ -722,8 +761,9 @@ void __init board_prom_init(void)
 	unsigned int i;
 	u8 *boot_addr, *cfe;
 	char cfe_version[32];
-	char *board_name;
+	char *board_name = NULL;
 	u32 val;
+	struct bcm_hcs *hcs;
 
 	/* read base address of boot chip select (0)
 	 * 6328/6362 do not have MPI but boot from a fixed address
@@ -747,7 +787,12 @@ void __init board_prom_init(void)
 
 	bcm63xx_nvram_init(boot_addr + BCM963XX_NVRAM_OFFSET);
 
-	board_name = bcm63xx_nvram_get_name();
+	if (BCMCPU_IS_3368()) {
+		hcs = (struct bcm_hcs *)boot_addr;
+		board_name = hcs->filename;
+	} else {
+		board_name = bcm63xx_nvram_get_name();
+	}
 	/* find board by name */
 	for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) {
 		if (strncmp(board_name, bcm963xx_boards[i]->name, 16))
@@ -845,6 +890,10 @@ int __init board_register_devices(void)
 	    !bcm63xx_nvram_get_mac_address(board.enet1.mac_addr))
 		bcm63xx_enet_register(1, &board.enet1);
 
+	if (board.has_enetsw &&
+	    !bcm63xx_nvram_get_mac_address(board.enetsw.mac_addr))
+		bcm63xx_enetsw_register(&board.enetsw);
+
 	if (board.has_usbd)
 		bcm63xx_usbd_register(&board.usbd);
 
@@ -873,5 +922,9 @@ int __init board_register_devices(void)
 
 	platform_device_register(&bcm63xx_gpio_leds);
 
+	if (board.ephy_reset_gpio && board.ephy_reset_gpio_flags)
+		gpio_request_one(board.ephy_reset_gpio,
+				board.ephy_reset_gpio_flags, "ephy-reset");
+
 	return 0;
 }
diff --git a/arch/mips/bcm63xx/clk.c b/arch/mips/bcm63xx/clk.c
index c726a97fc79..43da4ae04cc 100644
--- a/arch/mips/bcm63xx/clk.c
+++ b/arch/mips/bcm63xx/clk.c
@@ -84,7 +84,7 @@ static void enetx_set(struct clk *clk, int enable)
 	else
 		clk_disable_unlocked(&clk_enet_misc);
 
-	if (BCMCPU_IS_6358()) {
+	if (BCMCPU_IS_3368() || BCMCPU_IS_6358()) {
 		u32 mask;
 
 		if (clk->id == 0)
@@ -110,9 +110,8 @@ static struct clk clk_enet1 = {
  */
 static void ephy_set(struct clk *clk, int enable)
 {
-	if (!BCMCPU_IS_6358())
-		return;
-	bcm_hwclock_set(CKCTL_6358_EPHY_EN, enable);
+	if (BCMCPU_IS_3368() || BCMCPU_IS_6358())
+		bcm_hwclock_set(CKCTL_6358_EPHY_EN, enable);
 }
 
 
@@ -155,9 +154,10 @@ static struct clk clk_enetsw = {
  */
 static void pcm_set(struct clk *clk, int enable)
 {
-	if (!BCMCPU_IS_6358())
-		return;
-	bcm_hwclock_set(CKCTL_6358_PCM_EN, enable);
+	if (BCMCPU_IS_3368())
+		bcm_hwclock_set(CKCTL_3368_PCM_EN, enable);
+	if (BCMCPU_IS_6358())
+		bcm_hwclock_set(CKCTL_6358_PCM_EN, enable);
 }
 
 static struct clk clk_pcm = {
@@ -211,7 +211,7 @@ static void spi_set(struct clk *clk, int enable)
 		mask = CKCTL_6338_SPI_EN;
 	else if (BCMCPU_IS_6348())
 		mask = CKCTL_6348_SPI_EN;
-	else if (BCMCPU_IS_6358())
+	else if (BCMCPU_IS_3368() || BCMCPU_IS_6358())
 		mask = CKCTL_6358_SPI_EN;
 	else if (BCMCPU_IS_6362())
 		mask = CKCTL_6362_SPI_EN;
@@ -318,6 +318,18 @@ unsigned long clk_get_rate(struct clk *clk)
 
 EXPORT_SYMBOL(clk_get_rate);
 
+int clk_set_rate(struct clk *clk, unsigned long rate)
+{
+	return 0;
+}
+EXPORT_SYMBOL_GPL(clk_set_rate);
+
+long clk_round_rate(struct clk *clk, unsigned long rate)
+{
+	return 0;
+}
+EXPORT_SYMBOL_GPL(clk_round_rate);
+
 struct clk *clk_get(struct device *dev, const char *id)
 {
 	if (!strcmp(id, "enet0"))
@@ -338,7 +350,7 @@ struct clk *clk_get(struct device *dev, const char *id)
 		return &clk_xtm;
 	if (!strcmp(id, "periph"))
 		return &clk_periph;
-	if (BCMCPU_IS_6358() && !strcmp(id, "pcm"))
+	if ((BCMCPU_IS_3368() || BCMCPU_IS_6358()) && !strcmp(id, "pcm"))
 		return &clk_pcm;
 	if ((BCMCPU_IS_6362() || BCMCPU_IS_6368()) && !strcmp(id, "ipsec"))
 		return &clk_ipsec;
diff --git a/arch/mips/bcm63xx/cpu.c b/arch/mips/bcm63xx/cpu.c
index 79fe32df5e9..7e17374a9ae 100644
--- a/arch/mips/bcm63xx/cpu.c
+++ b/arch/mips/bcm63xx/cpu.c
@@ -29,6 +29,14 @@ static u8 bcm63xx_cpu_rev;
 static unsigned int bcm63xx_cpu_freq;
 static unsigned int bcm63xx_memory_size;
 
+static const unsigned long bcm3368_regs_base[] = {
+	__GEN_CPU_REGS_TABLE(3368)
+};
+
+static const int bcm3368_irqs[] = {
+	__GEN_CPU_IRQ_TABLE(3368)
+};
+
 static const unsigned long bcm6328_regs_base[] = {
 	__GEN_CPU_REGS_TABLE(6328)
 };
@@ -116,6 +124,9 @@ unsigned int bcm63xx_get_memory_size(void)
 static unsigned int detect_cpu_clock(void)
 {
 	switch (bcm63xx_get_cpu_id()) {
+	case BCM3368_CPU_ID:
+		return 300000000;
+
 	case BCM6328_CPU_ID:
 	{
 		unsigned int tmp, mips_pll_fcvo;
@@ -266,7 +277,7 @@ static unsigned int detect_memory_size(void)
 		banks = (val & SDRAM_CFG_BANK_MASK) ? 2 : 1;
 	}
 
-	if (BCMCPU_IS_6358() || BCMCPU_IS_6368()) {
+	if (BCMCPU_IS_3368() || BCMCPU_IS_6358() || BCMCPU_IS_6368()) {
 		val = bcm_memc_readl(MEMC_CFG_REG);
 		rows = (val & MEMC_CFG_ROW_MASK) >> MEMC_CFG_ROW_SHIFT;
 		cols = (val & MEMC_CFG_COL_MASK) >> MEMC_CFG_COL_SHIFT;
@@ -302,10 +313,17 @@ void __init bcm63xx_cpu_init(void)
 		chipid_reg = BCM_6345_PERF_BASE;
 		break;
 	case CPU_BMIPS4350:
-		if ((read_c0_prid() & 0xf0) == 0x10)
+		switch ((read_c0_prid() & 0xff)) {
+		case 0x04:
+			chipid_reg = BCM_3368_PERF_BASE;
+			break;
+		case 0x10:
 			chipid_reg = BCM_6345_PERF_BASE;
-		else
+			break;
+		default:
 			chipid_reg = BCM_6368_PERF_BASE;
+			break;
+		}
 		break;
 	}
 
@@ -322,6 +340,10 @@ void __init bcm63xx_cpu_init(void)
 	bcm63xx_cpu_rev = (tmp & REV_REVID_MASK) >> REV_REVID_SHIFT;
 
 	switch (bcm63xx_cpu_id) {
+	case BCM3368_CPU_ID:
+		bcm63xx_regs_base = bcm3368_regs_base;
+		bcm63xx_irqs = bcm3368_irqs;
+		break;
 	case BCM6328_CPU_ID:
 		bcm63xx_regs_base = bcm6328_regs_base;
 		bcm63xx_irqs = bcm6328_irqs;
diff --git a/arch/mips/bcm63xx/dev-enet.c b/arch/mips/bcm63xx/dev-enet.c
index 39c23366c5c..52bc01df9bf 100644
--- a/arch/mips/bcm63xx/dev-enet.c
+++ b/arch/mips/bcm63xx/dev-enet.c
@@ -9,16 +9,60 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
+#include <linux/export.h>
 #include <bcm63xx_dev_enet.h>
 #include <bcm63xx_io.h>
 #include <bcm63xx_regs.h>
 
+#ifdef BCMCPU_RUNTIME_DETECT
+static const unsigned long bcm6348_regs_enetdmac[] = {
+	[ENETDMAC_CHANCFG]	= ENETDMAC_CHANCFG_REG,
+	[ENETDMAC_IR]		= ENETDMAC_IR_REG,
+	[ENETDMAC_IRMASK]	= ENETDMAC_IRMASK_REG,
+	[ENETDMAC_MAXBURST]	= ENETDMAC_MAXBURST_REG,
+};
+
+static const unsigned long bcm6345_regs_enetdmac[] = {
+	[ENETDMAC_CHANCFG]	= ENETDMA_6345_CHANCFG_REG,
+	[ENETDMAC_IR]		= ENETDMA_6345_IR_REG,
+	[ENETDMAC_IRMASK]	= ENETDMA_6345_IRMASK_REG,
+	[ENETDMAC_MAXBURST]	= ENETDMA_6345_MAXBURST_REG,
+	[ENETDMAC_BUFALLOC]	= ENETDMA_6345_BUFALLOC_REG,
+	[ENETDMAC_RSTART]	= ENETDMA_6345_RSTART_REG,
+	[ENETDMAC_FC]		= ENETDMA_6345_FC_REG,
+	[ENETDMAC_LEN]		= ENETDMA_6345_LEN_REG,
+};
+
+const unsigned long *bcm63xx_regs_enetdmac;
+EXPORT_SYMBOL(bcm63xx_regs_enetdmac);
+
+static __init void bcm63xx_enetdmac_regs_init(void)
+{
+	if (BCMCPU_IS_6345())
+		bcm63xx_regs_enetdmac = bcm6345_regs_enetdmac;
+	else
+		bcm63xx_regs_enetdmac = bcm6348_regs_enetdmac;
+}
+#else
+static __init void bcm63xx_enetdmac_regs_init(void) { }
+#endif
+
 static struct resource shared_res[] = {
 	{
 		.start		= -1, /* filled at runtime */
 		.end		= -1, /* filled at runtime */
 		.flags		= IORESOURCE_MEM,
 	},
+	{
+		.start		= -1, /* filled at runtime */
+		.end		= -1, /* filled at runtime */
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= -1, /* filled at runtime */
+		.end		= -1, /* filled at runtime */
+		.flags		= IORESOURCE_MEM,
+	},
 };
 
 static struct platform_device bcm63xx_enet_shared_device = {
@@ -94,6 +138,71 @@ static struct platform_device bcm63xx_enet1_device = {
 	},
 };
 
+static struct resource enetsw_res[] = {
+	{
+		/* start & end filled at runtime */
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		/* start filled at runtime */
+		.flags		= IORESOURCE_IRQ,
+	},
+	{
+		/* start filled at runtime */
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct bcm63xx_enetsw_platform_data enetsw_pd;
+
+static struct platform_device bcm63xx_enetsw_device = {
+	.name		= "bcm63xx_enetsw",
+	.num_resources	= ARRAY_SIZE(enetsw_res),
+	.resource	= enetsw_res,
+	.dev		= {
+		.platform_data = &enetsw_pd,
+	},
+};
+
+static int __init register_shared(void)
+{
+	int ret, chan_count;
+
+	if (shared_device_registered)
+		return 0;
+
+	bcm63xx_enetdmac_regs_init();
+
+	shared_res[0].start = bcm63xx_regset_address(RSET_ENETDMA);
+	shared_res[0].end = shared_res[0].start;
+	if (BCMCPU_IS_6345())
+		shared_res[0].end += (RSET_6345_ENETDMA_SIZE) - 1;
+	else
+		shared_res[0].end += (RSET_ENETDMA_SIZE)  - 1;
+
+	if (BCMCPU_IS_6328() || BCMCPU_IS_6362() || BCMCPU_IS_6368())
+		chan_count = 32;
+	else if (BCMCPU_IS_6345())
+		chan_count = 8;
+	else
+		chan_count = 16;
+
+	shared_res[1].start = bcm63xx_regset_address(RSET_ENETDMAC);
+	shared_res[1].end = shared_res[1].start;
+	shared_res[1].end += RSET_ENETDMAC_SIZE(chan_count)  - 1;
+
+	shared_res[2].start = bcm63xx_regset_address(RSET_ENETDMAS);
+	shared_res[2].end = shared_res[2].start;
+	shared_res[2].end += RSET_ENETDMAS_SIZE(chan_count)  - 1;
+
+	ret = platform_device_register(&bcm63xx_enet_shared_device);
+	if (ret)
+		return ret;
+	shared_device_registered = 1;
+
+	return 0;
+}
+
 int __init bcm63xx_enet_register(int unit,
 				 const struct bcm63xx_enet_platform_data *pd)
 {
@@ -104,22 +213,12 @@ int __init bcm63xx_enet_register(int unit,
 	if (unit > 1)
 		return -ENODEV;
 
-	if (unit == 1 && BCMCPU_IS_6338())
+	if (unit == 1 && (BCMCPU_IS_6338() || BCMCPU_IS_6345()))
 		return -ENODEV;
 
-	if (!shared_device_registered) {
-		shared_res[0].start = bcm63xx_regset_address(RSET_ENETDMA);
-		shared_res[0].end = shared_res[0].start;
-		if (BCMCPU_IS_6338())
-			shared_res[0].end += (RSET_ENETDMA_SIZE / 2)  - 1;
-		else
-			shared_res[0].end += (RSET_ENETDMA_SIZE)  - 1;
-
-		ret = platform_device_register(&bcm63xx_enet_shared_device);
-		if (ret)
-			return ret;
-		shared_device_registered = 1;
-	}
+	ret = register_shared();
+	if (ret)
+		return ret;
 
 	if (unit == 0) {
 		enet0_res[0].start = bcm63xx_regset_address(RSET_ENET0);
@@ -155,8 +254,62 @@ int __init bcm63xx_enet_register(int unit,
 		dpd->phy_interrupt = bcm63xx_get_irq_number(IRQ_ENET_PHY);
 	}
 
+	dpd->dma_chan_en_mask = ENETDMAC_CHANCFG_EN_MASK;
+	dpd->dma_chan_int_mask = ENETDMAC_IR_PKTDONE_MASK;
+	if (BCMCPU_IS_6345()) {
+		dpd->dma_chan_en_mask |= ENETDMAC_CHANCFG_CHAINING_MASK;
+		dpd->dma_chan_en_mask |= ENETDMAC_CHANCFG_WRAP_EN_MASK;
+		dpd->dma_chan_en_mask |= ENETDMAC_CHANCFG_FLOWC_EN_MASK;
+		dpd->dma_chan_int_mask |= ENETDMA_IR_BUFDONE_MASK;
+		dpd->dma_chan_int_mask |= ENETDMA_IR_NOTOWNER_MASK;
+		dpd->dma_chan_width = ENETDMA_6345_CHAN_WIDTH;
+		dpd->dma_desc_shift = ENETDMA_6345_DESC_SHIFT;
+	} else {
+		dpd->dma_has_sram = true;
+		dpd->dma_chan_width = ENETDMA_CHAN_WIDTH;
+	}
+
 	ret = platform_device_register(pdev);
 	if (ret)
 		return ret;
 	return 0;
 }
+
+int __init
+bcm63xx_enetsw_register(const struct bcm63xx_enetsw_platform_data *pd)
+{
+	int ret;
+
+	if (!BCMCPU_IS_6328() && !BCMCPU_IS_6362() && !BCMCPU_IS_6368())
+		return -ENODEV;
+
+	ret = register_shared();
+	if (ret)
+		return ret;
+
+	enetsw_res[0].start = bcm63xx_regset_address(RSET_ENETSW);
+	enetsw_res[0].end = enetsw_res[0].start;
+	enetsw_res[0].end += RSET_ENETSW_SIZE - 1;
+	enetsw_res[1].start = bcm63xx_get_irq_number(IRQ_ENETSW_RXDMA0);
+	enetsw_res[2].start = bcm63xx_get_irq_number(IRQ_ENETSW_TXDMA0);
+	if (!enetsw_res[2].start)
+		enetsw_res[2].start = -1;
+
+	memcpy(bcm63xx_enetsw_device.dev.platform_data, pd, sizeof(*pd));
+
+	if (BCMCPU_IS_6328())
+		enetsw_pd.num_ports = ENETSW_PORTS_6328;
+	else if (BCMCPU_IS_6362() || BCMCPU_IS_6368())
+		enetsw_pd.num_ports = ENETSW_PORTS_6368;
+
+	enetsw_pd.dma_has_sram = true;
+	enetsw_pd.dma_chan_width = ENETDMA_CHAN_WIDTH;
+	enetsw_pd.dma_chan_en_mask = ENETDMAC_CHANCFG_EN_MASK;
+	enetsw_pd.dma_chan_int_mask = ENETDMAC_IR_PKTDONE_MASK;
+
+	ret = platform_device_register(&bcm63xx_enetsw_device);
+	if (ret)
+		return ret;
+
+	return 0;
+}
diff --git a/arch/mips/bcm63xx/dev-flash.c b/arch/mips/bcm63xx/dev-flash.c
index 588d1ec622e..172dd839717 100644
--- a/arch/mips/bcm63xx/dev-flash.c
+++ b/arch/mips/bcm63xx/dev-flash.c
@@ -71,6 +71,7 @@ static int __init bcm63xx_detect_flash_type(void)
 	case BCM6348_CPU_ID:
 		/* no way to auto detect so assume parallel */
 		return BCM63XX_FLASH_TYPE_PARALLEL;
+	case BCM3368_CPU_ID:
 	case BCM6358_CPU_ID:
 		val = bcm_gpio_readl(GPIO_STRAPBUS_REG);
 		if (val & STRAPBUS_6358_BOOT_SEL_PARALLEL)
diff --git a/arch/mips/bcm63xx/dev-spi.c b/arch/mips/bcm63xx/dev-spi.c
index 3065bb61820..d12daed749b 100644
--- a/arch/mips/bcm63xx/dev-spi.c
+++ b/arch/mips/bcm63xx/dev-spi.c
@@ -37,7 +37,8 @@ static __init void bcm63xx_spi_regs_init(void)
 {
 	if (BCMCPU_IS_6338() || BCMCPU_IS_6348())
 		bcm63xx_regs_spi = bcm6348_regs_spi;
-	if (BCMCPU_IS_6358() || BCMCPU_IS_6362() || BCMCPU_IS_6368())
+	if (BCMCPU_IS_3368() || BCMCPU_IS_6358() ||
+		BCMCPU_IS_6362() || BCMCPU_IS_6368())
 		bcm63xx_regs_spi = bcm6358_regs_spi;
 }
 #else
@@ -87,7 +88,8 @@ int __init bcm63xx_spi_register(void)
 		spi_pdata.msg_ctl_width = SPI_6348_MSG_CTL_WIDTH;
 	}
 
-	if (BCMCPU_IS_6358() || BCMCPU_IS_6362() || BCMCPU_IS_6368()) {
+	if (BCMCPU_IS_3368() || BCMCPU_IS_6358() || BCMCPU_IS_6362() ||
+		BCMCPU_IS_6368()) {
 		spi_resources[0].end += BCM_6358_RSET_SPI_SIZE - 1;
 		spi_pdata.fifo_size = SPI_6358_MSG_DATA_SIZE;
 		spi_pdata.msg_type_shift = SPI_6358_MSG_TYPE_SHIFT;
diff --git a/arch/mips/bcm63xx/dev-uart.c b/arch/mips/bcm63xx/dev-uart.c
index d6e42c60832..3bc7f3bfc9a 100644
--- a/arch/mips/bcm63xx/dev-uart.c
+++ b/arch/mips/bcm63xx/dev-uart.c
@@ -54,7 +54,8 @@ int __init bcm63xx_uart_register(unsigned int id)
 	if (id >= ARRAY_SIZE(bcm63xx_uart_devices))
 		return -ENODEV;
 
-	if (id == 1 && (!BCMCPU_IS_6358() && !BCMCPU_IS_6368()))
+	if (id == 1 && (!BCMCPU_IS_3368() && !BCMCPU_IS_6358() &&
+		!BCMCPU_IS_6368()))
 		return -ENODEV;
 
 	if (id == 0) {
diff --git a/arch/mips/bcm63xx/irq.c b/arch/mips/bcm63xx/irq.c
index c0ab3887f42..1525f8a3841 100644
--- a/arch/mips/bcm63xx/irq.c
+++ b/arch/mips/bcm63xx/irq.c
@@ -27,6 +27,17 @@ static void __internal_irq_unmask_32(unsigned int irq) __maybe_unused;
 static void __internal_irq_unmask_64(unsigned int irq) __maybe_unused;
 
 #ifndef BCMCPU_RUNTIME_DETECT
+#ifdef CONFIG_BCM63XX_CPU_3368
+#define irq_stat_reg		PERF_IRQSTAT_3368_REG
+#define irq_mask_reg		PERF_IRQMASK_3368_REG
+#define irq_bits		32
+#define is_ext_irq_cascaded	0
+#define ext_irq_start		0
+#define ext_irq_end		0
+#define ext_irq_count		4
+#define ext_irq_cfg_reg1	PERF_EXTIRQ_CFG_REG_3368
+#define ext_irq_cfg_reg2	0
+#endif
 #ifdef CONFIG_BCM63XX_CPU_6328
 #define irq_stat_reg		PERF_IRQSTAT_6328_REG
 #define irq_mask_reg		PERF_IRQMASK_6328_REG
@@ -140,6 +151,13 @@ static void bcm63xx_init_irq(void)
 	irq_mask_addr = bcm63xx_regset_address(RSET_PERF);
 
 	switch (bcm63xx_get_cpu_id()) {
+	case BCM3368_CPU_ID:
+		irq_stat_addr += PERF_IRQSTAT_3368_REG;
+		irq_mask_addr += PERF_IRQMASK_3368_REG;
+		irq_bits = 32;
+		ext_irq_count = 4;
+		ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_3368;
+		break;
 	case BCM6328_CPU_ID:
 		irq_stat_addr += PERF_IRQSTAT_6328_REG;
 		irq_mask_addr += PERF_IRQMASK_6328_REG;
@@ -294,6 +312,10 @@ asmlinkage void plat_irq_dispatch(void)
 
 		if (cause & CAUSEF_IP7)
 			do_IRQ(7);
+		if (cause & CAUSEF_IP0)
+			do_IRQ(0);
+		if (cause & CAUSEF_IP1)
+			do_IRQ(1);
 		if (cause & CAUSEF_IP2)
 			dispatch_internal();
 		if (!is_ext_irq_cascaded) {
@@ -475,6 +497,7 @@ static int bcm63xx_external_irq_set_type(struct irq_data *d,
 			reg &= ~EXTIRQ_CFG_BOTHEDGE_6348(irq);
 		break;
 
+	case BCM3368_CPU_ID:
 	case BCM6328_CPU_ID:
 	case BCM6338_CPU_ID:
 	case BCM6345_CPU_ID:
diff --git a/arch/mips/bcm63xx/nvram.c b/arch/mips/bcm63xx/nvram.c
index a4b8864f930..e652e578a67 100644
--- a/arch/mips/bcm63xx/nvram.c
+++ b/arch/mips/bcm63xx/nvram.c
@@ -42,6 +42,7 @@ void __init bcm63xx_nvram_init(void *addr)
 {
 	unsigned int check_len;
 	u32 crc, expected_crc;
+	u8 hcs_mac_addr[ETH_ALEN] = { 0x00, 0x10, 0x18, 0xff, 0xff, 0xff };
 
 	/* extract nvram data */
 	memcpy(&nvram, addr, sizeof(nvram));
@@ -62,6 +63,15 @@ void __init bcm63xx_nvram_init(void *addr)
 	if (crc != expected_crc)
 		pr_warn("nvram checksum failed, contents may be invalid (expected %08x, got %08x)\n",
 			expected_crc, crc);
+
+	/* Cable modems have a different NVRAM which is embedded in the eCos
+	 * firmware and not easily extractible, give at least a MAC address
+	 * pool.
+	 */
+	if (BCMCPU_IS_3368()) {
+		memcpy(nvram.mac_addr_base, hcs_mac_addr, ETH_ALEN);
+		nvram.mac_addr_count = 2;
+	}
 }
 
 u8 *bcm63xx_nvram_get_name(void)
diff --git a/arch/mips/bcm63xx/prom.c b/arch/mips/bcm63xx/prom.c
index fd698087fbf..8ac4e095e68 100644
--- a/arch/mips/bcm63xx/prom.c
+++ b/arch/mips/bcm63xx/prom.c
@@ -8,7 +8,11 @@
 
 #include <linux/init.h>
 #include <linux/bootmem.h>
+#include <linux/smp.h>
 #include <asm/bootinfo.h>
+#include <asm/bmips.h>
+#include <asm/smp-ops.h>
+#include <asm/mipsregs.h>
 #include <bcm63xx_board.h>
 #include <bcm63xx_cpu.h>
 #include <bcm63xx_io.h>
@@ -26,7 +30,9 @@ void __init prom_init(void)
 	bcm_wdt_writel(WDT_STOP_2, WDT_CTL_REG);
 
 	/* disable all hardware blocks clock for now */
-	if (BCMCPU_IS_6328())
+	if (BCMCPU_IS_3368())
+		mask = CKCTL_3368_ALL_SAFE_EN;
+	else if (BCMCPU_IS_6328())
 		mask = CKCTL_6328_ALL_SAFE_EN;
 	else if (BCMCPU_IS_6338())
 		mask = CKCTL_6338_ALL_SAFE_EN;
@@ -52,6 +58,47 @@ void __init prom_init(void)
 
 	/* do low level board init */
 	board_prom_init();
+
+	if (IS_ENABLED(CONFIG_CPU_BMIPS4350) && IS_ENABLED(CONFIG_SMP)) {
+		/* set up SMP */
+		register_smp_ops(&bmips_smp_ops);
+
+		/*
+		 * BCM6328 might not have its second CPU enabled, while BCM6358
+		 * needs special handling for its shared TLB, so disable SMP
+		 * for now.
+		 */
+		if (BCMCPU_IS_6328()) {
+			reg = bcm_readl(BCM_6328_OTP_BASE +
+					OTP_USER_BITS_6328_REG(3));
+
+			if (reg & OTP_6328_REG3_TP1_DISABLED)
+				bmips_smp_enabled = 0;
+		} else if (BCMCPU_IS_6358()) {
+			bmips_smp_enabled = 0;
+		}
+
+		if (!bmips_smp_enabled)
+			return;
+
+		/*
+		 * The bootloader has set up the CPU1 reset vector at
+		 * 0xa000_0200.
+		 * This conflicts with the special interrupt vector (IV).
+		 * The bootloader has also set up CPU1 to respond to the wrong
+		 * IPI interrupt.
+		 * Here we will start up CPU1 in the background and ask it to
+		 * reconfigure itself then go back to sleep.
+		 */
+		memcpy((void *)0xa0000200, &bmips_smp_movevec, 0x20);
+		__sync();
+		set_c0_cause(C_SW0);
+		cpumask_set_cpu(1, &bmips_booted_mask);
+
+		/*
+		 * FIXME: we really should have some sort of hazard barrier here
+		 */
+	}
 }
 
 void __init prom_free_prom_memory(void)
diff --git a/arch/mips/bcm63xx/reset.c b/arch/mips/bcm63xx/reset.c
index 317931c6cf5..acbeb1fe7c5 100644
--- a/arch/mips/bcm63xx/reset.c
+++ b/arch/mips/bcm63xx/reset.c
@@ -30,6 +30,19 @@
 	[BCM63XX_RESET_PCIE]		= BCM## __cpu ##_RESET_PCIE,	\
 	[BCM63XX_RESET_PCIE_EXT]	= BCM## __cpu ##_RESET_PCIE_EXT,
 
+#define BCM3368_RESET_SPI	SOFTRESET_3368_SPI_MASK
+#define BCM3368_RESET_ENET	SOFTRESET_3368_ENET_MASK
+#define BCM3368_RESET_USBH	0
+#define BCM3368_RESET_USBD	SOFTRESET_3368_USBS_MASK
+#define BCM3368_RESET_DSL	0
+#define BCM3368_RESET_SAR	0
+#define BCM3368_RESET_EPHY	SOFTRESET_3368_EPHY_MASK
+#define BCM3368_RESET_ENETSW	0
+#define BCM3368_RESET_PCM	SOFTRESET_3368_PCM_MASK
+#define BCM3368_RESET_MPI	SOFTRESET_3368_MPI_MASK
+#define BCM3368_RESET_PCIE	0
+#define BCM3368_RESET_PCIE_EXT	0
+
 #define BCM6328_RESET_SPI	SOFTRESET_6328_SPI_MASK
 #define BCM6328_RESET_ENET	0
 #define BCM6328_RESET_USBH	SOFTRESET_6328_USBH_MASK
@@ -117,6 +130,10 @@
 /*
  * core reset bits
  */
+static const u32 bcm3368_reset_bits[] = {
+	__GEN_RESET_BITS_TABLE(3368)
+};
+
 static const u32 bcm6328_reset_bits[] = {
 	__GEN_RESET_BITS_TABLE(6328)
 };
@@ -146,7 +163,10 @@ static int reset_reg;
 
 static int __init bcm63xx_reset_bits_init(void)
 {
-	if (BCMCPU_IS_6328()) {
+	if (BCMCPU_IS_3368()) {
+		reset_reg = PERF_SOFTRESET_6358_REG;
+		bcm63xx_reset_bits = bcm3368_reset_bits;
+	} else if (BCMCPU_IS_6328()) {
 		reset_reg = PERF_SOFTRESET_6328_REG;
 		bcm63xx_reset_bits = bcm6328_reset_bits;
 	} else if (BCMCPU_IS_6338()) {
@@ -170,6 +190,13 @@ static int __init bcm63xx_reset_bits_init(void)
 }
 #else
 
+#ifdef CONFIG_BCM63XX_CPU_3368
+static const u32 bcm63xx_reset_bits[] = {
+	__GEN_RESET_BITS_TABLE(3368)
+};
+#define reset_reg PERF_SOFTRESET_6358_REG
+#endif
+
 #ifdef CONFIG_BCM63XX_CPU_6328
 static const u32 bcm63xx_reset_bits[] = {
 	__GEN_RESET_BITS_TABLE(6328)
diff --git a/arch/mips/bcm63xx/setup.c b/arch/mips/bcm63xx/setup.c
index 24a24445db6..6660c7ddf87 100644
--- a/arch/mips/bcm63xx/setup.c
+++ b/arch/mips/bcm63xx/setup.c
@@ -68,6 +68,9 @@ void bcm63xx_machine_reboot(void)
 
 	/* mask and clear all external irq */
 	switch (bcm63xx_get_cpu_id()) {
+	case BCM3368_CPU_ID:
+		perf_regs[0] = PERF_EXTIRQ_CFG_REG_3368;
+		break;
 	case BCM6328_CPU_ID:
 		perf_regs[0] = PERF_EXTIRQ_CFG_REG_6328;
 		break;