[brcm63xx] add support for bcm6345 SoC, needs testing

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14953 3c298f89-4303-0410-b956-a3cf2f4a3e73

4 files changed, 83 insertions, 2 deletions

diff --git a/target/linux/brcm63xx/config-2.6.27 b/target/linux/brcm63xx/config-2.6.27
index f2c312e98..bcf9fd244 100644
--- a/target/linux/brcm63xx/config-2.6.27
+++ b/target/linux/brcm63xx/config-2.6.27
@@ -14,6 +14,7 @@ CONFIG_BASE_SMALL=0
 # CONFIG_BCM47XX is not set
 CONFIG_BCM63XX=y
 CONFIG_BCM63XX_CPU_6338=y
+CONFIG_BCM63XX_CPU_6345=y
 CONFIG_BCM63XX_CPU_6348=y
 CONFIG_BCM63XX_CPU_6358=y
 CONFIG_BCM63XX_ENET=y
diff --git a/target/linux/brcm63xx/files/arch/mips/bcm63xx/Kconfig b/target/linux/brcm63xx/files/arch/mips/bcm63xx/Kconfig
index b21c03e6d..a3ac72a43 100644
--- a/target/linux/brcm63xx/files/arch/mips/bcm63xx/Kconfig
+++ b/target/linux/brcm63xx/files/arch/mips/bcm63xx/Kconfig
@@ -8,6 +8,11 @@ config BCM63XX_CPU_6338
 	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"
 	select HW_HAS_PCI
diff --git a/target/linux/brcm63xx/files/arch/mips/bcm63xx/cpu.c b/target/linux/brcm63xx/files/arch/mips/bcm63xx/cpu.c
index f9b6eeba4..bc7ed50f8 100644
--- a/target/linux/brcm63xx/files/arch/mips/bcm63xx/cpu.c
+++ b/target/linux/brcm63xx/files/arch/mips/bcm63xx/cpu.c
@@ -72,6 +72,26 @@ static const unsigned long bcm96338_regs_spi[] = {
 };
 
 /*
+ * 6345 register sets and irqs
+ */
+
+static const unsigned long bcm96345_regs_base[] = {
+	[RSET_PERF]		= BCM_6345_PERF_BASE,
+	[RSET_TIMER]		= BCM_6345_TIMER_BASE,
+	[RSET_WDT]		= BCM_6345_WDT_BASE,
+	[RSET_UART0]		= BCM_6345_UART0_BASE,
+	[RSET_GPIO]		= BCM_6345_GPIO_BASE,
+};
+
+static const int bcm96345_irqs[] = {
+	[IRQ_TIMER]		= BCM_6345_TIMER_IRQ,
+	[IRQ_UART0]		= BCM_6345_UART0_IRQ,
+	[IRQ_DSL]		= BCM_6345_DSL_IRQ,
+	[IRQ_ENET0]		= BCM_6345_ENET0_IRQ,
+	[IRQ_ENET_PHY]		= BCM_6345_ENET_PHY_IRQ,
+};
+
+/*
  * 6348 register sets and irqs
  */
 static const unsigned long bcm96348_regs_base[] = {
@@ -217,9 +237,11 @@ static unsigned int detect_cpu_clock(void)
 {
 	unsigned int tmp, n1 = 0, n2 = 0, m1 = 0;
 
-	if (BCMCPU_IS_6338()) {
+	if (BCMCPU_IS_6338())
 		return 240000000;
-	}
+
+	if (BCMCPU_IS_6345())
+		return 140000000;
 
 	/*
 	 * frequency depends on PLL configuration:
@@ -294,6 +316,11 @@ void __init bcm63xx_cpu_init(void)
 		bcm63xx_irqs = bcm96338_irqs;
 		bcm63xx_regs_spi = bcm96338_regs_spi;
 		break;
+	case CPU_BCM6345:
+		expected_cpu_id = BCM6345_CPU_ID;
+		bcm63xx_regs_base = bcm96345_regs_base;
+		bcm63xx_irqs = bcm96345_irqs;
+		break;
 	case CPU_BCM6348:
 		expected_cpu_id = BCM6348_CPU_ID;
 		bcm63xx_regs_base = bcm96348_regs_base;
diff --git a/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm63xx_cpu.h b/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm63xx_cpu.h
index 74e553f7d..2ad2c9dc9 100644
--- a/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm63xx_cpu.h
+++ b/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm63xx_cpu.h
@@ -12,6 +12,7 @@
  * arm mach-types)
  */
 #define BCM6338_CPU_ID		0x6338
+#define BCM6345_CPU_ID		0x6345
 #define BCM6348_CPU_ID		0x6348
 #define BCM6358_CPU_ID		0x6358
 
@@ -33,6 +34,19 @@ unsigned int bcm63xx_get_cpu_freq(void);
 # define BCMCPU_IS_6338()	(0)
 #endif
 
+#ifdef CONFIG_BCM63XX_CPU_6345
+# ifdef bcm63xx_get_cpu_id
+#  undef bcm63xx_get_cpu_id
+#  define bcm63xx_get_cpu_id()	__bcm63xx_get_cpu_id()
+#  define BCMCPU_RUNTIME_DETECT
+# else
+#  define bcm63xx_get_cpu_id()	BCM6345_CPU_ID
+# endif
+# define BCMCPU_IS_6345()	(bcm63xx_get_cpu_id() == BCM6345_CPU_ID)
+#else
+# define BCMCPU_IS_6345()	(0)
+#endif
+
 #ifdef CONFIG_BCM63XX_CPU_6348
 # ifdef bcm63xx_get_cpu_id
 #  undef bcm63xx_get_cpu_id
@@ -123,6 +137,15 @@ enum bcm63xx_regs_set {
 #define BCM_6338_MEMC_BASE		(0xfffe3100)
 
 /*
+ * 6345 register sets base address
+ */
+#define BCM_6345_PERF_BASE		(0xfffe0000)
+#define BCM_6345_TIMER_BASE		(0xfffe0200)
+#define BCM_6345_WDT_BASE		(0xfffe021c)
+#define BCM_6345_UART0_BASE		(0xfffe0300)
+#define BCM_6345_GPIO_BASE		(0xfffe0400)
+
+/*
  * 6348 register sets base address
  */
 #define BCM_6348_DSL_LMEM_BASE		(0xfff00000)
@@ -204,6 +227,20 @@ static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set)
 		return BCM_6338_MEMC_BASE;
 	}
 #endif
+#ifdef CONFIG_BCM63XX_CPU_6345
+	switch (set) {
+	case RSET_PERF:
+		return BCM_6345_PERF_BASE;
+	case RSET_TIMER:
+		return BCM_6345_TIMER_BASE;
+	case RSET_WDT:
+		return BCM_6345_WDT_BASE;
+	case RSET_UART0:
+		return BCM_6345_UART0_BASE;
+	case RSET_GPIO:
+		return BCM_6345_GPIO_BASE;
+	}
+#endif
 #ifdef CONFIG_BCM63XX_CPU_6348
 	switch (set) {
 	case RSET_DSL_LMEM:
@@ -462,6 +499,17 @@ enum bcm63xx_irq {
 #define BCM_6338_SDIO_IRQ		(IRQ_INTERNAL_BASE + 17)
 
 /*
+ * 6345 irqs
+ */
+#define BCM_6345_TIMER_IRQ		(IRQ_INTERNAL_BASE + 0)
+#define BCM_6345_UART0_IRQ		(IRQ_INTERNAL_BASE + 2)
+#define BCM_6345_DSL_IRQ		(IRQ_INTERNAL_BASE + 3)
+#define BCM_6345_ATM_IRQ		(IRQ_INTERNAL_BASE + 4)
+#define BCM_6345_USB_IRQ		(IRQ_INTERNAL_BASE + 5)
+#define BCM_6345_ENET0_IRQ		(IRQ_INTERNAL_BASE + 8)
+#define BCM_6345_ENET_PHY_IRQ		(IRQ_INTERNAL_BASE + 12)
+
+/*
  * 6348 irqs
  */
 #define BCM_6348_TIMER_IRQ		(IRQ_INTERNAL_BASE + 0)