From 60c29522a8c77d96145d965589c56befda7d4c3d Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Sun, 8 Dec 2013 01:24:09 +0100
Subject: [PATCH 51/53] MIPS: BCM63XX: add support for BCM6318

---
 arch/mips/bcm63xx/Kconfig                         |   5 +
 arch/mips/bcm63xx/boards/board_bcm963xx.c         |   2 +-
 arch/mips/bcm63xx/clk.c                           |   8 +-
 arch/mips/bcm63xx/cpu.c                           |  53 +++++++++++
 arch/mips/bcm63xx/dev-flash.c                     |   3 +
 arch/mips/bcm63xx/dev-spi.c                       |   2 +-
 arch/mips/bcm63xx/irq.c                           |  10 ++
 arch/mips/bcm63xx/prom.c                          |   2 +-
 arch/mips/bcm63xx/reset.c                         |  24 +++++
 arch/mips/bcm63xx/setup.c                         |   5 +-
 arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h  | 107 ++++++++++++++++++++++
 arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h |  75 ++++++++++++++-
 arch/mips/include/asm/mach-bcm63xx/ioremap.h      |   1 +
 13 files changed, 291 insertions(+), 6 deletions(-)

--- a/arch/mips/bcm63xx/Kconfig
+++ b/arch/mips/bcm63xx/Kconfig
@@ -18,6 +18,11 @@ config BCM63XX_EHCI
 	select USB_EHCI_BIG_ENDIAN_DESC if USB_EHCI_HCD
 	select USB_EHCI_BIG_ENDIAN_MMIO if USB_EHCI_HCD
 
+config BCM63XX_CPU_6318
+	bool "support 6318 CPU"
+	select SYS_HAS_CPU_BMIPS32_3300
+	select HW_HAS_PCI
+
 config BCM63XX_CPU_6328
 	bool "support 6328 CPU"
 	select SYS_HAS_CPU_BMIPS4350
--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
@@ -737,7 +737,7 @@ void __init board_prom_init(void)
 	/* read base address of boot chip select (0)
 	 * 6328/6362 do not have MPI but boot from a fixed address
 	 */
-	if (BCMCPU_IS_6328() || BCMCPU_IS_6362() || BCMCPU_IS_63268()) {
+	if (BCMCPU_IS_6318() || BCMCPU_IS_6328() || BCMCPU_IS_6362() || BCMCPU_IS_63268()) {
 		val = 0x18000000;
 	} else {
 		val = bcm_mpi_readl(MPI_CSBASE_REG(0));
--- a/arch/mips/bcm63xx/clk.c
+++ b/arch/mips/bcm63xx/clk.c
@@ -252,7 +252,9 @@ static void hsspi_set(struct clk *clk, i
 {
 	u32 mask;
 
-	if (BCMCPU_IS_6328())
+	if (BCMCPU_IS_6318())
+		mask = CKCTL_6318_HSSPI_EN;
+	else if (BCMCPU_IS_6328())
 		mask = CKCTL_6328_HSSPI_EN;
 	else if (BCMCPU_IS_6362())
 		mask = CKCTL_6362_HSSPI_EN;
@@ -417,12 +419,16 @@ void clk_put(struct clk *clk)
 
 EXPORT_SYMBOL(clk_put);
 
+#define HSSPI_PLL_HZ_6318	250000000
 #define HSSPI_PLL_HZ_6328	133333333
 #define HSSPI_PLL_HZ_6362	400000000
 
 static int __init bcm63xx_clk_init(void)
 {
 	switch (bcm63xx_get_cpu_id()) {
+	case BCM6318_CPU_ID:
+		clk_hsspi.rate = HSSPI_PLL_HZ_6318;
+		break;
 	case BCM6328_CPU_ID:
 		clk_hsspi.rate = HSSPI_PLL_HZ_6328;
 		break;
--- a/arch/mips/bcm63xx/cpu.c
+++ b/arch/mips/bcm63xx/cpu.c
@@ -41,6 +41,14 @@ static const int bcm3368_irqs[] = {
 	__GEN_CPU_IRQ_TABLE(3368)
 };
 
+static const unsigned long bcm6318_regs_base[] = {
+	__GEN_CPU_REGS_TABLE(6318)
+};
+
+static const int bcm6318_irqs[] = {
+	__GEN_CPU_IRQ_TABLE(6318)
+};
+
 static const unsigned long bcm6328_regs_base[] = {
 	__GEN_CPU_REGS_TABLE(6328)
 };
@@ -134,6 +142,10 @@ unsigned int bcm63xx_get_memory_size(voi
 	return bcm63xx_memory_size;
 }
 
+#define STRAP_OVERRIDE_BUS_REG		0x0
+#define OVERRIDE_BUS_MIPS_FREQ_SHIFT	23
+#define OVERRIDE_BUS_MIPS_FREQ_MASK	(0x3 << OVERRIDE_BUS_MIPS_FREQ_SHIFT)
+
 static unsigned int detect_cpu_clock(void)
 {
 	u32 cpu_id = bcm63xx_get_cpu_id();
@@ -142,6 +154,28 @@ static unsigned int detect_cpu_clock(voi
 	case BCM3368_CPU_ID:
 		return 300000000;
 
+	case BCM6318_CPU_ID:
+	{
+		unsigned int tmp, mips_pll_fcvo;
+
+		tmp = bcm_readl(BCM_6318_STRAP_BASE + STRAP_OVERRIDE_BUS_REG);
+
+		pr_info("strap_override_bus = %08x\n", tmp);
+
+		mips_pll_fcvo = (tmp & OVERRIDE_BUS_MIPS_FREQ_MASK)
+				>> OVERRIDE_BUS_MIPS_FREQ_SHIFT;
+
+		switch (mips_pll_fcvo) {
+		case 0:
+			return 166000000;
+		case 1:
+			return 400000000;
+		case 2:
+			return 250000000;
+		case 3:
+			return 333000000;
+		};
+	}
 	case BCM6328_CPU_ID:
 	{
 		unsigned int tmp, mips_pll_fcvo;
@@ -297,6 +331,13 @@ static unsigned int detect_memory_size(v
 	unsigned int cols = 0, rows = 0, is_32bits = 0, banks = 0;
 	u32 val;
 
+	if (BCMCPU_IS_6318()) {
+		val = bcm_sdram_readl(SDRAM_CFG_REG);
+		val = val & SDRAM_CFG_6318_SPACE_MASK;
+		val >>= SDRAM_CFG_6318_SPACE_SHIFT;
+		return 1 << (val + 20);
+	}
+
 	if (BCMCPU_IS_6328() || BCMCPU_IS_6362() || BCMCPU_IS_63268())
 		return bcm_ddr_readl(DDR_CSEND_REG) << 24;
 
@@ -344,6 +385,12 @@ void __init bcm63xx_cpu_init(void)
 
 	switch (c->cputype) {
 	case CPU_BMIPS3300:
+		if ((read_c0_prid() & 0xff) >= 0x33) {
+			/* BCM6318 */
+			chipid_reg = BCM_6368_PERF_BASE;
+			break;
+		}
+
 		if ((read_c0_prid() & PRID_IMP_MASK) != PRID_IMP_BMIPS3300_ALT)
 			__cpu_name[cpu] = "Broadcom BCM6338";
 		/* fall-through */
@@ -391,6 +438,10 @@ void __init bcm63xx_cpu_init(void)
 	bcm63xx_cpu_variant = bcm63xx_cpu_id;
 
 	switch (bcm63xx_cpu_id) {
+	case BCM6318_CPU_ID:
+		bcm63xx_regs_base = bcm6318_regs_base;
+		bcm63xx_irqs = bcm6318_irqs;
+		break;
 	case BCM3368_CPU_ID:
 		bcm63xx_regs_base = bcm3368_regs_base;
 		bcm63xx_irqs = bcm3368_irqs;
--- a/arch/mips/bcm63xx/dev-flash.c
+++ b/arch/mips/bcm63xx/dev-flash.c
@@ -60,6 +60,9 @@ static int __init bcm63xx_detect_flash_t
 	u32 val;
 
 	switch (bcm63xx_get_cpu_id()) {
+	case BCM6318_CPU_ID:
+		/* only support serial flash */
+		return BCM63XX_FLASH_TYPE_SERIAL;
 	case BCM6328_CPU_ID:
 		val = bcm_misc_readl(MISC_STRAPBUS_6328_REG);
 		if (val & STRAPBUS_6328_BOOT_SEL_SERIAL)
--- a/arch/mips/bcm63xx/dev-spi.c
+++ b/arch/mips/bcm63xx/dev-spi.c
@@ -70,7 +70,7 @@ static struct platform_device bcm63xx_sp
 
 int __init bcm63xx_spi_register(void)
 {
-	if (BCMCPU_IS_6328() || BCMCPU_IS_6345())
+	if (BCMCPU_IS_6318() || BCMCPU_IS_6328() || BCMCPU_IS_6345())
 		return -ENODEV;
 
 	spi_resources[0].start = bcm63xx_regset_address(RSET_SPI);
--- a/arch/mips/bcm63xx/irq.c
+++ b/arch/mips/bcm63xx/irq.c
@@ -441,6 +441,16 @@ static void bcm63xx_init_irq(void)
 		ext_irq_count = 4;
 		ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_3368;
 		break;
+	case BCM6318_CPU_ID:
+		irq_stat_addr[0] += PERF_IRQSTAT_6318_REG;
+		irq_mask_addr[0] += PERF_IRQMASK_6318_REG;
+		irq_bits = 128;
+		ext_irq_count = 4;
+		is_ext_irq_cascaded = 1;
+		ext_irq_start = BCM_6318_EXT_IRQ0 - IRQ_INTERNAL_BASE;
+		ext_irq_end = BCM_6318_EXT_IRQ3 - IRQ_INTERNAL_BASE;
+		ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6318;
+		break;
 	case BCM6328_CPU_ID:
 		irq_stat_addr[0] += PERF_IRQSTAT_6328_REG(0);
 		irq_mask_addr[0] += PERF_IRQMASK_6328_REG(0);
--- a/arch/mips/bcm63xx/prom.c
+++ b/arch/mips/bcm63xx/prom.c
@@ -72,7 +72,7 @@ void __init prom_init(void)
 
 			if (reg & OTP_6328_REG3_TP1_DISABLED)
 				bmips_smp_enabled = 0;
-		} else if (BCMCPU_IS_3368() || BCMCPU_IS_6358()) {
+		} else if (BCMCPU_IS_6318() || BCMCPU_IS_3368() || BCMCPU_IS_6358()) {
 			bmips_smp_enabled = 0;
 		}
 
--- a/arch/mips/bcm63xx/reset.c
+++ b/arch/mips/bcm63xx/reset.c
@@ -43,6 +43,23 @@
 #define BCM3368_RESET_PCIE	0
 #define BCM3368_RESET_PCIE_EXT	0
 
+
+#define BCM6318_RESET_SPI	SOFTRESET_6318_SPI_MASK
+#define BCM6318_RESET_ENET	0
+#define BCM6318_RESET_USBH	SOFTRESET_6318_USBH_MASK
+#define BCM6318_RESET_USBD	SOFTRESET_6318_USBS_MASK
+#define BCM6318_RESET_DSL	0
+#define BCM6318_RESET_SAR	SOFTRESET_6318_SAR_MASK
+#define BCM6318_RESET_EPHY	SOFTRESET_6318_EPHY_MASK
+#define BCM6318_RESET_ENETSW	SOFTRESET_6318_ENETSW_MASK
+#define BCM6318_RESET_PCM	0
+#define BCM6318_RESET_MPI	0
+#define BCM6318_RESET_PCIE	\
+				(SOFTRESET_6318_PCIE_MASK |		\
+				 SOFTRESET_6318_PCIE_CORE_MASK |	\
+				 SOFTRESET_6318_PCIE_HARD_MASK)
+#define BCM6318_RESET_PCIE_EXT	SOFTRESET_6318_PCIE_EXT_MASK
+
 #define BCM6328_RESET_SPI	SOFTRESET_6328_SPI_MASK
 #define BCM6328_RESET_ENET	0
 #define BCM6328_RESET_USBH	SOFTRESET_6328_USBH_MASK
@@ -147,6 +164,10 @@ static const u32 bcm3368_reset_bits[] =
 	__GEN_RESET_BITS_TABLE(3368)
 };
 
+static const u32 bcm6318_reset_bits[] = {
+	__GEN_RESET_BITS_TABLE(6318)
+};
+
 static const u32 bcm6328_reset_bits[] = {
 	__GEN_RESET_BITS_TABLE(6328)
 };
@@ -183,6 +204,9 @@ static int __init bcm63xx_reset_bits_ini
 	if (BCMCPU_IS_3368()) {
 		reset_reg = PERF_SOFTRESET_6358_REG;
 		bcm63xx_reset_bits = bcm3368_reset_bits;
+	} else if (BCMCPU_IS_6318()) {
+		reset_reg = PERF_SOFTRESET_6318_REG;
+		bcm63xx_reset_bits = bcm6318_reset_bits;
 	} else if (BCMCPU_IS_6328()) {
 		reset_reg = PERF_SOFTRESET_6328_REG;
 		bcm63xx_reset_bits = bcm6328_reset_bits;
--- a/arch/mips/bcm63xx/setup.c
+++ b/arch/mips/bcm63xx/setup.c
@@ -71,6 +71,9 @@ void bcm63xx_machine_reboot(void)
 	case BCM3368_CPU_ID:
 		perf_regs[0] = PERF_EXTIRQ_CFG_REG_3368;
 		break;
+	case BCM6318_CPU_ID:
+		perf_regs[0] = PERF_EXTIRQ_CFG_REG_6318;
+		break;
 	case BCM6328_CPU_ID:
 		perf_regs[0] = PERF_EXTIRQ_CFG_REG_6328;
 		break;
@@ -110,7 +113,7 @@ void bcm63xx_machine_reboot(void)
 		bcm6348_a1_reboot();
 
 	printk(KERN_INFO "triggering watchdog soft-reset...\n");
-	if (BCMCPU_IS_6328()) {
+	if (BCMCPU_IS_6318() || BCMCPU_IS_6328()) {
 		bcm_wdt_writel(1, WDT_SOFTRESET_REG);
 	} else {
 		reg = bcm_perf_readl(PERF_SYS_PLL_CTL_REG);
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
@@ -10,6 +10,7 @@
  * arm mach-types)
  */
 #define BCM3368_CPU_ID		0x3368
+#define BCM6318_CPU_ID		0x6318
 #define BCM6328_CPU_ID		0x6328
 #define BCM63281_CPU_ID		0x63281
 #define BCM63283_CPU_ID		0x63283
@@ -38,6 +39,10 @@ static inline u32 __pure __bcm63xx_get_c
 		case BCM3368_CPU_ID:
 #endif
 
+#ifdef CONFIG_BCM63XX_CPU_6318
+		case BCM6318_CPU_ID:
+#endif
+
 #ifdef CONFIG_BCM63XX_CPU_6328
 		case BCM6328_CPU_ID:
 #endif
@@ -87,6 +92,7 @@ static inline u32 __pure bcm63xx_get_cpu
 }
 
 #define BCMCPU_IS_3368()	(bcm63xx_get_cpu_id() == BCM3368_CPU_ID)
+#define BCMCPU_IS_6318()	(bcm63xx_get_cpu_id() == BCM6318_CPU_ID)
 #define BCMCPU_IS_6328()	(bcm63xx_get_cpu_id() == BCM6328_CPU_ID)
 #define BCMCPU_IS_6338()	(bcm63xx_get_cpu_id() == BCM6338_CPU_ID)
 #define BCMCPU_IS_6345()	(bcm63xx_get_cpu_id() == BCM6345_CPU_ID)
@@ -98,6 +104,8 @@ static inline u32 __pure bcm63xx_get_cpu
 
 #define BCMCPU_VARIANT_IS_3368() \
 	(bcm63xx_get_cpu_variant() == BCM3368_CPU_ID)
+#define BCMCPU_VARIANT_IS_6318() \
+	(bcm63xx_get_cpu_variant() == BCM6318_CPU_ID)
 #define BCMCPU_VARIANT_IS_63281() \
 	(bcm63xx_get_cpu_variant() == BCM63281_CPU_ID)
 #define BCMCPU_VARIANT_IS_63283() \
@@ -252,6 +260,56 @@ enum bcm63xx_regs_set {
 #define BCM_3368_MISC_BASE		(0xdeadbeef)
 
 /*
+ * 6318 register sets base address
+ */
+#define BCM_6318_DSL_LMEM_BASE		(0xdeadbeef)
+#define BCM_6318_PERF_BASE		(0xb0000000)
+#define BCM_6318_TIMER_BASE		(0xb0000040)
+#define BCM_6318_WDT_BASE		(0xb0000068)
+#define BCM_6318_UART0_BASE		(0xb0000100)
+#define BCM_6318_UART1_BASE		(0xdeadbeef)
+#define BCM_6318_GPIO_BASE		(0xb0000080)
+#define BCM_6318_SPI_BASE		(0xdeadbeef)
+#define BCM_6318_HSSPI_BASE		(0xb0003000)
+#define BCM_6318_UDC0_BASE		(0xdeadbeef)
+#define BCM_6318_USBDMA_BASE		(0xb0006800)
+#define BCM_6318_OHCI0_BASE		(0xb0005100)
+#define BCM_6318_OHCI_PRIV_BASE		(0xdeadbeef)
+#define BCM_6318_USBH_PRIV_BASE		(0xb0005200)
+#define BCM_6318_USBD_BASE		(0xb0006000)
+#define BCM_6318_MPI_BASE		(0xdeadbeef)
+#define BCM_6318_PCMCIA_BASE		(0xdeadbeef)
+#define BCM_6318_PCIE_BASE		(0xb0010000)
+#define BCM_6318_SDRAM_REGS_BASE	(0xdeadbeef)
+#define BCM_6318_DSL_BASE		(0xdeadbeef)
+#define BCM_6318_UBUS_BASE		(0xdeadbeef)
+#define BCM_6318_ENET0_BASE		(0xdeadbeef)
+#define BCM_6318_ENET1_BASE		(0xdeadbeef)
+#define BCM_6318_ENETDMA_BASE		(0xb0088000)
+#define BCM_6318_ENETDMAC_BASE		(0xb0088200)
+#define BCM_6318_ENETDMAS_BASE		(0xb0088400)
+#define BCM_6318_ENETSW_BASE		(0xb0080000)
+#define BCM_6318_EHCI0_BASE		(0xb0005000)
+#define BCM_6318_SDRAM_BASE		(0xb0004000)
+#define BCM_6318_MEMC_BASE		(0xdeadbeef)
+#define BCM_6318_DDR_BASE		(0xdeadbeef)
+#define BCM_6318_M2M_BASE		(0xdeadbeef)
+#define BCM_6318_ATM_BASE		(0xdeadbeef)
+#define BCM_6318_XTM_BASE		(0xdeadbeef)
+#define BCM_6318_XTMDMA_BASE		(0xb000c000)
+#define BCM_6318_XTMDMAC_BASE		(0xdeadbeef)
+#define BCM_6318_XTMDMAS_BASE		(0xdeadbeef)
+#define BCM_6318_PCM_BASE		(0xdeadbeef)
+#define BCM_6318_PCMDMA_BASE		(0xdeadbeef)
+#define BCM_6318_PCMDMAC_BASE		(0xdeadbeef)
+#define BCM_6318_PCMDMAS_BASE		(0xdeadbeef)
+#define BCM_6318_RNG_BASE		(0xdeadbeef)
+#define BCM_6318_MISC_BASE		(0xb0000280)
+#define BCM_6318_OTP_BASE		(0xdeadbeef)
+
+#define BCM_6318_STRAP_BASE		(0xb0000900)
+
+/*
  * 6328 register sets base address
  */
 #define BCM_6328_DSL_LMEM_BASE		(0xdeadbeef)
@@ -819,6 +877,55 @@ enum bcm63xx_irq {
 #define BCM_3368_EXT_IRQ2		(IRQ_INTERNAL_BASE + 27)
 #define BCM_3368_EXT_IRQ3		(IRQ_INTERNAL_BASE + 28)
 
+/*
+ * 6318 irqs
+ */
+#define BCM_6318_HIGH_IRQ_BASE		(IRQ_INTERNAL_BASE + 32)
+#define BCM_6318_VERY_HIGH_IRQ_BASE	(BCM_6318_HIGH_IRQ_BASE + 32)
+
+#define BCM_6318_TIMER_IRQ		(IRQ_INTERNAL_BASE + 31)
+#define BCM_6318_SPI_IRQ		0
+#define BCM_6318_UART0_IRQ		(IRQ_INTERNAL_BASE + 28)
+#define BCM_6318_UART1_IRQ		0
+#define BCM_6318_DSL_IRQ		(IRQ_INTERNAL_BASE + 21)
+#define BCM_6318_UDC0_IRQ		0
+#define BCM_6318_ENET0_IRQ		0
+#define BCM_6318_ENET1_IRQ		0
+#define BCM_6318_ENET_PHY_IRQ		(IRQ_INTERNAL_BASE + 12)
+#define BCM_6318_HSSPI_IRQ		(IRQ_INTERNAL_BASE + 29)
+#define BCM_6318_OHCI0_IRQ		(BCM_6318_HIGH_IRQ_BASE + 9)
+#define BCM_6318_EHCI0_IRQ		(BCM_6318_HIGH_IRQ_BASE + 10)
+#define BCM_6318_USBD_IRQ		(IRQ_INTERNAL_BASE + 4)
+#define BCM_6318_USBD_RXDMA0_IRQ	(IRQ_INTERNAL_BASE + 5)
+#define BCM_6318_USBD_TXDMA0_IRQ	(IRQ_INTERNAL_BASE + 6)
+#define BCM_6318_USBD_RXDMA1_IRQ	(IRQ_INTERNAL_BASE + 7)
+#define BCM_6318_USBD_TXDMA1_IRQ	(IRQ_INTERNAL_BASE + 8)
+#define BCM_6318_USBD_RXDMA2_IRQ	(IRQ_INTERNAL_BASE + 9)
+#define BCM_6318_USBD_TXDMA2_IRQ	(IRQ_INTERNAL_BASE + 10)
+#define BCM_6318_PCMCIA_IRQ		0
+#define BCM_6318_ENET0_RXDMA_IRQ	0
+#define BCM_6318_ENET0_TXDMA_IRQ	0
+#define BCM_6318_ENET1_RXDMA_IRQ	0
+#define BCM_6318_ENET1_TXDMA_IRQ	0
+#define BCM_6318_PCI_IRQ		(IRQ_INTERNAL_BASE + 23)
+#define BCM_6318_ATM_IRQ		0
+#define BCM_6318_ENETSW_RXDMA0_IRQ	(BCM_6318_HIGH_IRQ_BASE + 0)
+#define BCM_6318_ENETSW_RXDMA1_IRQ	(BCM_6318_HIGH_IRQ_BASE + 1)
+#define BCM_6318_ENETSW_RXDMA2_IRQ	(BCM_6318_HIGH_IRQ_BASE + 2)
+#define BCM_6318_ENETSW_RXDMA3_IRQ	(BCM_6318_HIGH_IRQ_BASE + 3)
+#define BCM_6318_ENETSW_TXDMA0_IRQ	(BCM_6318_VERY_HIGH_IRQ_BASE + 10)
+#define BCM_6318_ENETSW_TXDMA1_IRQ	(BCM_6318_VERY_HIGH_IRQ_BASE + 11)
+#define BCM_6318_ENETSW_TXDMA2_IRQ	(BCM_6318_VERY_HIGH_IRQ_BASE + 12)
+#define BCM_6318_ENETSW_TXDMA3_IRQ	(BCM_6318_VERY_HIGH_IRQ_BASE + 13)
+#define BCM_6318_XTM_IRQ		(BCM_6318_HIGH_IRQ_BASE + 31)
+#define BCM_6318_XTM_DMA0_IRQ		(BCM_6318_HIGH_IRQ_BASE + 11)
+
+#define BCM_6318_PCM_DMA0_IRQ		(IRQ_INTERNAL_BASE + 2)
+#define BCM_6318_PCM_DMA1_IRQ		(IRQ_INTERNAL_BASE + 3)
+#define BCM_6318_EXT_IRQ0		(IRQ_INTERNAL_BASE + 24)
+#define BCM_6318_EXT_IRQ1		(IRQ_INTERNAL_BASE + 25)
+#define BCM_6318_EXT_IRQ2		(IRQ_INTERNAL_BASE + 26)
+#define BCM_6318_EXT_IRQ3		(IRQ_INTERNAL_BASE + 27)
 
 /*
  * 6328 irqs
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
@@ -52,6 +52,39 @@
 					 CKCTL_3368_EMUSB_EN | \
 					 CKCTL_3368_USBU_EN)
 
+#define CKCTL_6318_ADSL_ASB_EN		(1 << 0)
+#define CKCTL_6318_USB_ASB_EN		(1 << 1)
+#define CKCTL_6318_MIPS_ASB_EN		(1 << 2)
+#define CKCTL_6318_PCIE_ASB_EN		(1 << 3)
+#define CKCTL_6318_PHYMIPS_ASB_EN	(1 << 4)
+#define CKCTL_6318_ROBOSW_ASB_EN	(1 << 5)
+#define CKCTL_6318_SAR_ASB_EN		(1 << 6)
+#define CKCTL_6318_SDR_ASB_EN		(1 << 7)
+#define CKCTL_6318_SWREG_ASB_EN		(1 << 8)
+#define CKCTL_6318_PERIPH_ASB_EN	(1 << 9)
+#define CKCTL_6318_CPUBUS160_EN		(1 << 10)
+#define CKCTL_6318_ADSL_EN		(1 << 11)
+#define CKCTL_6318_SAR125_EN		(1 << 12)
+#define CKCTL_6318_MIPS_EN		(1 << 13)
+#define CKCTL_6318_PCIE_EN		(1 << 14)
+#define CKCTL_6318_ROBOSW250_EN		(1 << 16)
+#define CKCTL_6318_ROBOSW025_EN		(1 << 17)
+#define CKCTL_6318_SDR_EN		(1 << 19)
+#define CKCTL_6318_USB_EN		(1 << 20) /* both device and host */
+#define CKCTL_6318_HSSPI_EN		(1 << 25)
+#define CKCTL_6318_PCIE25_EN		(1 << 27)
+#define CKCTL_6318_PHYMIPS_EN		(1 << 28)
+#define CKCTL_6318_ADSL_AFE_EN		(1 << 29)
+#define CKCTL_6318_ADSL_QPROC_EN	(1 << 30)
+
+#define CKCTL_6318_ALL_SAFE_EN		(CKCTL_6318_PHYMIPS_EN |	\
+					CKCTL_6318_ADSL_QPROC_EN |	\
+					CKCTL_6318_ADSL_AFE_EN |	\
+					CKCTL_6318_ADSL_EN |		\
+					CKCTL_6318_SAR_EN  |		\
+					CKCTL_6318_USB_EN |		\
+					CKCTL_6318_PCIE_EN)
+
 #define CKCTL_6328_PHYMIPS_EN		(1 << 0)
 #define CKCTL_6328_ADSL_QPROC_EN	(1 << 1)
 #define CKCTL_6328_ADSL_AFE_EN		(1 << 2)
@@ -259,12 +292,27 @@
 					CKCTL_63268_TBUS_EN |		\
 					CKCTL_63268_ROBOSW250_EN)
 
+/* UBUS Clock Control register */
+#define PERF_UB_CKCTL_REG		0x10
+
+#define UB_CKCTL_6318_ADSL_EN		(1 << 0)
+#define UB_CKCTL_6318_ARB_EN		(1 << 1)
+#define UB_CKCTL_6318_MIPS_EN		(1 << 2)
+#define UB_CKCTL_6318_PCIE_EN		(1 << 3)
+#define UB_CKCTL_6318_PERIPH_EN		(1 << 4)
+#define UB_CKCTL_6318_PHYMIPS_EN	(1 << 5)
+#define UB_CKCTL_6318_ROBOSW_EN		(1 << 6)
+#define UB_CKCTL_6318_SAR_EN		(1 << 7)
+#define UB_CKCTL_6318_SDR_EN		(1 << 8)
+#define UB_CKCTL_6318_USB_EN		(1 << 9)
+
 /* System PLL Control register	*/
 #define PERF_SYS_PLL_CTL_REG		0x8
 #define SYS_PLL_SOFT_RESET		0x1
 
 /* Interrupt Mask register */
 #define PERF_IRQMASK_3368_REG		0xc
+#define PERF_IRQMASK_6318_REG		0x20
 #define PERF_IRQMASK_6328_REG(x)	(0x20 + (x) * 0x10)
 #define PERF_IRQMASK_6338_REG		0xc
 #define PERF_IRQMASK_6345_REG		0xc
@@ -276,6 +324,7 @@
 
 /* Interrupt Status register */
 #define PERF_IRQSTAT_3368_REG		0x10
+#define PERF_IRQSTAT_6318_REG		0x30
 #define PERF_IRQSTAT_6328_REG(x)	(0x28 + (x) * 0x10)
 #define PERF_IRQSTAT_6338_REG		0x10
 #define PERF_IRQSTAT_6345_REG		0x10
@@ -287,6 +336,7 @@
 
 /* External Interrupt Configuration register */
 #define PERF_EXTIRQ_CFG_REG_3368	0x14
+#define PERF_EXTIRQ_CFG_REG_6318	0x18
 #define PERF_EXTIRQ_CFG_REG_6328	0x18
 #define PERF_EXTIRQ_CFG_REG_6338	0x14
 #define PERF_EXTIRQ_CFG_REG_6345	0x14
@@ -320,6 +370,7 @@
 
 /* Soft Reset register */
 #define PERF_SOFTRESET_REG		0x28
+#define PERF_SOFTRESET_6318_REG		0x10
 #define PERF_SOFTRESET_6328_REG		0x10
 #define PERF_SOFTRESET_6358_REG		0x34
 #define PERF_SOFTRESET_6362_REG		0x10
@@ -333,6 +384,18 @@
 #define SOFTRESET_3368_USBS_MASK	(1 << 11)
 #define SOFTRESET_3368_PCM_MASK		(1 << 13)
 
+#define SOFTRESET_6318_SPI_MASK		(1 << 0)
+#define SOFTRESET_6318_EPHY_MASK	(1 << 1)
+#define SOFTRESET_6318_SAR_MASK		(1 << 2)
+#define SOFTRESET_6318_ENETSW_MASK	(1 << 3)
+#define SOFTRESET_6318_USBS_MASK	(1 << 4)
+#define SOFTRESET_6318_USBH_MASK	(1 << 5)
+#define SOFTRESET_6318_PCIE_CORE_MASK	(1 << 6)
+#define SOFTRESET_6318_PCIE_MASK	(1 << 7)
+#define SOFTRESET_6318_PCIE_EXT_MASK	(1 << 8)
+#define SOFTRESET_6318_PCIE_HARD_MASK	(1 << 9)
+#define SOFTRESET_6318_ADSL_MASK	(1 << 10)
+
 #define SOFTRESET_6328_SPI_MASK		(1 << 0)
 #define SOFTRESET_6328_EPHY_MASK	(1 << 1)
 #define SOFTRESET_6328_SAR_MASK		(1 << 2)
@@ -504,8 +567,17 @@
 #define TIMER_IRQSTAT_TIMER1_IR_EN	(1 << 9)
 #define TIMER_IRQSTAT_TIMER2_IR_EN	(1 << 10)
 
+#define TIMER_IRQMASK_6318_REG		0x0
+#define TIMER_IRQSTAT_6318_REG		0x4
+#define IRQSTATMASK_TIMER0		(1 << 0)
+#define IRQSTATMASK_TIMER1		(1 << 1)
+#define IRQSTATMASK_TIMER2		(1 << 2)
+#define IRQSTATMASK_TIMER3		(1 << 3)
+#define IRQSTATMASK_WDT			(1 << 4)
+
 /* Timer control register */
 #define TIMER_CTLx_REG(x)		(0x4 + (x * 4))
+#define TIMER_CTRx_6318_REG(x)		(0x8 + (x * 4))
 #define TIMER_CTL0_REG			0x4
 #define TIMER_CTL1_REG			0x8
 #define TIMER_CTL2_REG			0xC
@@ -1252,6 +1324,8 @@
 #define SDRAM_CFG_32B_MASK		(1 << SDRAM_CFG_32B_SHIFT)
 #define SDRAM_CFG_BANK_SHIFT		13
 #define SDRAM_CFG_BANK_MASK		(1 << SDRAM_CFG_BANK_SHIFT)
+#define SDRAM_CFG_6318_SPACE_SHIFT	4
+#define SDRAM_CFG_6318_SPACE_MASK	(0xf << SDRAM_CFG_6318_SPACE_SHIFT)
 
 #define SDRAM_MBASE_REG			0xc
 
--- a/arch/mips/include/asm/mach-bcm63xx/ioremap.h
+++ b/arch/mips/include/asm/mach-bcm63xx/ioremap.h
@@ -22,6 +22,7 @@ static inline int is_bcm63xx_internal_re
 		if (offset >= 0xfff00000)
 			return 1;
 		break;
+	case BCM6318_CPU_ID:
 	case BCM6328_CPU_ID:
 	case BCM6362_CPU_ID:
 	case BCM6368_CPU_ID:
--- a/arch/mips/bcm63xx/dev-hsspi.c
+++ b/arch/mips/bcm63xx/dev-hsspi.c
@@ -35,7 +35,8 @@ static struct platform_device bcm63xx_hs
 
 int __init bcm63xx_hsspi_register(void)
 {
-	if (!BCMCPU_IS_6328() && !BCMCPU_IS_6362() && !BCMCPU_IS_63268())
+	if (!BCMCPU_IS_6318() && !BCMCPU_IS_6328() && !BCMCPU_IS_6362() &&
+		!BCMCPU_IS_63268())
 		return -ENODEV;
 
 	spi_resources[0].start = bcm63xx_regset_address(RSET_HSSPI);
--- a/arch/mips/bcm63xx/dev-usb-usbd.c
+++ b/arch/mips/bcm63xx/dev-usb-usbd.c
@@ -41,7 +41,7 @@ int __init bcm63xx_usbd_register(const s
 		IRQ_USBD_RXDMA2, IRQ_USBD_TXDMA2 };
 	int i;
 
-	if (!BCMCPU_IS_6328() && !BCMCPU_IS_6368())
+	if (!BCMCPU_IS_6318() && !BCMCPU_IS_6328() && !BCMCPU_IS_6368())
 		return 0;
 
 	usbd_resources[0].start = bcm63xx_regset_address(RSET_USBD);
--- a/arch/mips/bcm63xx/dev-enet.c
+++ b/arch/mips/bcm63xx/dev-enet.c
@@ -176,8 +176,8 @@ static int __init register_shared(void)
 	else
 		shared_res[0].end += (RSET_ENETDMA_SIZE)  - 1;
 
-	if (BCMCPU_IS_6328() || BCMCPU_IS_6362() || BCMCPU_IS_6368() ||
-		BCMCPU_IS_63268())
+	if (BCMCPU_IS_6318() || BCMCPU_IS_6328() || BCMCPU_IS_6362() ||
+		BCMCPU_IS_6368() || BCMCPU_IS_63268())
 		chan_count = 32;
 	else if (BCMCPU_IS_6345())
 		chan_count = 8;
@@ -277,8 +277,8 @@ bcm63xx_enetsw_register(const struct bcm
 {
 	int ret;
 
-	if (!BCMCPU_IS_6328() && !BCMCPU_IS_6362() && !BCMCPU_IS_6368() &&
-		!BCMCPU_IS_63268())
+	if (!BCMCPU_IS_6318() && !BCMCPU_IS_6328() && !BCMCPU_IS_6362() &&
+		!BCMCPU_IS_6368() && !BCMCPU_IS_63268())
 		return -ENODEV;
 
 	ret = register_shared();
@@ -295,7 +295,7 @@ bcm63xx_enetsw_register(const struct bcm
 
 	memcpy(bcm63xx_enetsw_device.dev.platform_data, pd, sizeof(*pd));
 
-	if (BCMCPU_IS_6328())
+	if (BCMCPU_IS_6318() || BCMCPU_IS_6328())
 		enetsw_pd.num_ports = ENETSW_PORTS_6328;
 	else if (BCMCPU_IS_6362() || BCMCPU_IS_6368() ||
 		 BCMCPU_VARIANT_IS_63168() || BCMCPU_VARIANT_IS_63169())
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
@@ -9,6 +9,8 @@ int __init bcm63xx_gpio_init(void);
 static inline unsigned long bcm63xx_gpio_count(void)
 {
 	switch (bcm63xx_get_cpu_id()) {
+	case BCM6318_CPU_ID:
+		return 50;
 	case BCM6328_CPU_ID:
 		return 32;
 	case BCM3368_CPU_ID:
--- a/arch/mips/bcm63xx/dev-usb-ehci.c
+++ b/arch/mips/bcm63xx/dev-usb-ehci.c
@@ -81,7 +81,8 @@ static struct platform_device bcm63xx_eh
 
 int __init bcm63xx_ehci_register(void)
 {
-	if (!BCMCPU_IS_6328() && !BCMCPU_IS_6358() && !BCMCPU_IS_6362() && !BCMCPU_IS_6368())
+	if (!BCMCPU_IS_6318() && !BCMCPU_IS_6328() && !BCMCPU_IS_6358() &&
+		!BCMCPU_IS_6362() && !BCMCPU_IS_6368())
 		return 0;
 
 	ehci_resources[0].start = bcm63xx_regset_address(RSET_EHCI0);