From 3dd67d64f49db4fd0e01dcd737e806620ea9cd9e Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Fri, 19 Dec 2008 17:05:09 +0000 Subject: [PATCH] add experimental support for bcm6338 SVN-Revision: 13691 --- target/linux/brcm63xx/config-2.6.27 | 1 + .../brcm63xx/files/arch/mips/bcm63xx/Kconfig | 7 ++ .../brcm63xx/files/arch/mips/bcm63xx/cpu.c | 34 +++++++++- .../asm-mips/mach-bcm63xx/bcm63xx_cpu.h | 66 +++++++++++++++++++ .../asm-mips/mach-bcm63xx/bcm63xx_regs.h | 30 ++++++++- 5 files changed, 136 insertions(+), 2 deletions(-) diff --git a/target/linux/brcm63xx/config-2.6.27 b/target/linux/brcm63xx/config-2.6.27 index e9b6555303..4b7d1d87e9 100644 --- a/target/linux/brcm63xx/config-2.6.27 +++ b/target/linux/brcm63xx/config-2.6.27 @@ -14,6 +14,7 @@ CONFIG_AUDIT_GENERIC=y CONFIG_BASE_SMALL=0 # CONFIG_BCM47XX is not set CONFIG_BCM63XX=y +CONFIG_BCM63XX_CPU_6338=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 8c192e747c..325f69afa5 100644 --- a/target/linux/brcm63xx/files/arch/mips/bcm63xx/Kconfig +++ b/target/linux/brcm63xx/files/arch/mips/bcm63xx/Kconfig @@ -1,6 +1,13 @@ menu "CPU support" depends on BCM63XX +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_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 0a403dd07c..b7c041f60d 100644 --- a/target/linux/brcm63xx/files/arch/mips/bcm63xx/cpu.c +++ b/target/linux/brcm63xx/files/arch/mips/bcm63xx/cpu.c @@ -25,6 +25,29 @@ static u16 bcm63xx_cpu_rev; static unsigned int bcm63xx_cpu_freq; static unsigned int bcm63xx_memory_size; +/* + * 6338 register sets and irqs + */ + +static const unsigned long bcm96338_regs_base[] = { + [RSET_PERF] = BCM_6338_PERF_BASE, + [RSET_TIMER] = BCM_6338_TIMER_BASE, + [RSET_WDT] = BCM_6338_WDT_BASE, + [RSET_UART0] = BCM_6338_UART0_BASE, + [RSET_GPIO] = BCM_6338_GPIO_BASE, + [RSET_SPI] = BCM_6338_SPI_BASE, +}; + +static const int bcm96338_irqs[] = { + [IRQ_TIMER] = BCM_6338_TIMER_IRQ, + [IRQ_UART0] = BCM_6338_UART0_IRQ, + [IRQ_DSL] = BCM_6338_DSL_IRQ, + [IRQ_ENET0] = BCM_6338_ENET0_IRQ, + [IRQ_ENET_PHY] = BCM_6338_ENET_PHY_IRQ, + [IRQ_ENET0_RXDMA] = BCM_6338_ENET0_RXDMA_IRQ, + [IRQ_ENET0_TXDMA] = BCM_6338_ENET0_TXDMA_IRQ, +}; + /* * 6348 register sets and irqs */ @@ -137,6 +160,10 @@ static unsigned int detect_cpu_clock(void) { unsigned int tmp, n1 = 0, n2 = 0, m1 = 0; + if (BCMCPU_IS_6338()) { + return 240000000; + } + /* * frequency depends on PLL configuration: */ @@ -170,7 +197,7 @@ static unsigned int detect_memory_size(void) unsigned int cols = 0, rows = 0, is_32bits = 0, banks = 0; u32 val; - if (BCMCPU_IS_6348()) { + if (BCMCPU_IS_6338() || BCMCPU_IS_6348()) { val = bcm_sdram_readl(SDRAM_CFG_REG); rows = (val & SDRAM_CFG_ROW_MASK) >> SDRAM_CFG_ROW_SHIFT; cols = (val & SDRAM_CFG_COL_MASK) >> SDRAM_CFG_COL_SHIFT; @@ -204,6 +231,11 @@ void __init bcm63xx_cpu_init(void) expected_cpu_id = 0; switch (c->cputype) { + case CPU_BCM6338: + expected_cpu_id = BCM6338_CPU_ID; + bcm63xx_regs_base = bcm96338_regs_base; + bcm63xx_irqs = bcm96338_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 4c8c3fd8b8..560da0b292 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 @@ -9,6 +9,7 @@ * compile time if only one CPU support is enabled (idea stolen from * arm mach-types) */ +#define BCM6338_CPU_ID 0x6338 #define BCM6348_CPU_ID 0x6348 #define BCM6358_CPU_ID 0x6358 @@ -17,6 +18,19 @@ u16 __bcm63xx_get_cpu_id(void); u16 bcm63xx_get_cpu_rev(void); unsigned int bcm63xx_get_cpu_freq(void); +#ifdef CONFIG_BCM63XX_CPU_6338 +# 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() BCM6338_CPU_ID +# endif +# define BCMCPU_IS_6338() (bcm63xx_get_cpu_id() == BCM6338_CPU_ID) +#else +# define BCMCPU_IS_6338() (0) +#endif + #ifdef CONFIG_BCM63XX_CPU_6348 # ifdef bcm63xx_get_cpu_id # undef bcm63xx_get_cpu_id @@ -87,6 +101,19 @@ enum bcm63xx_regs_set { #define RSET_EHCI_SIZE 256 #define RSET_PCMCIA_SIZE 12 +/* + * 6338 register sets base address + */ + +#define BCM_6338_PERF_BASE (0xfffe0000) +#define BCM_6338_TIMER_BASE (0xfffe0000) +#define BCM_6338_WDT_BASE (0xfffe001c) +#define BCM_6338_UART0_BASE (0xfffe0300) +#define BCM_6338_GPIO_BASE (0xfffe0400) +#define BCM_6338_SPI_BASE (0xfffe0c00) +#define BCM_6338_SAR_BASE (0xfffe2000) +#define BCM_6338_MEMC_BASE (0xfffe3100) + /* * 6348 register sets base address */ @@ -147,6 +174,24 @@ static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set) #ifdef BCMCPU_RUNTIME_DETECT return bcm63xx_regs_base[set]; #else +#ifdef CONFIG_BCM63XX_CPU_6338 + switch (set) { + case RSET_PERF: + return BCM_6338_PERF_BASE; + case RSET_TIMER: + return BCM_6338_TIMER_BASE; + case RSET_WDT: + return BCM_6338_WDT_BASE; + case RSET_UART0: + return BCM_6338_UART0_BASE; + case RSET_GPIO: + return BCM_6338_GPIO_BASE; + case RSET_SPI: + return BCM_6338_SPI_BASE; + case RSET_MEMC: + return BCM_6338_MEMC_BASE; + } +#endif #ifdef CONFIG_BCM63XX_CPU_6348 switch (set) { case RSET_DSL_LMEM: @@ -266,6 +311,27 @@ enum bcm63xx_irq { IRQ_PCMCIA, }; +/* + * 6338 irqs + */ +#define BCM_6338_TIMER_IRQ (IRQ_INTERNAL_BASE + 0) +#define BCM_6338_SPI_IR (IRQ_INTERNAL_BASE + 1) +#define BCM_6338_UART0_IRQ (IRQ_INTERNAL_BASE + 2) +#define BCM_6338_DG_IRQ (IRQ_INTERNAL_BASE + 4) +#define BCM_6338_DSL_IRQ (IRQ_INTERNAL_BASE + 5) +#define BCM_6338_ATM_IRQ (IRQ_INTERNAL_BASE + 6) +#define BCM_6338_USBS_IRQ (IRQ_INTERNAL_BASE + 7) +#define BCM_6338_ENET0_IRQ (IRQ_INTERNAL_BASE + 8) +#define BCM_6338_ENET_PHY_IRQ (IRQ_INTERNAL_BASE + 9) +#define BCM_6338_SDRAM_IRQ (IRQ_INTERNAL_BASE + 10) +#define BCM_6338_USB_CNTL_RX_DMA_IRQ (IRQ_INTERNAL_BASE + 11) +#define BCM_6338_USB_CNTL_TX_DMA_IRQ (IRQ_INTERNAL_BASE + 12) +#define BCM_6338_USB_BULK_RX_DMA_IRQ (IRQ_INTERNAL_BASE + 13) +#define BCM_6338_USB_BULK_TX_DMA_IRQ (IRQ_INTERNAL_BASE + 14) +#define BCM_6338_ENET0_RXDMA_IRQ (IRQ_INTERNAL_BASE + 15) +#define BCM_6338_ENET0_TXDMA_IRQ (IRQ_INTERNAL_BASE + 16) +#define BCM_6338_SDIO_IRQ (IRQ_INTERNAL_BASE + 17) + /* * 6348 irqs */ diff --git a/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm63xx_regs.h b/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm63xx_regs.h index d628601ab4..cdc44fc4cb 100644 --- a/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm63xx_regs.h +++ b/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm63xx_regs.h @@ -15,6 +15,15 @@ /* Clock Control register */ #define PERF_CKCTL_REG 0x4 +#define CKCTL_6338_ENET_EN (1 << 4) +#define CKCTL_6338_USBS_EN (1 << 4) +#define CKCTL_6338_SAR_EN (1 << 5) +#define CKCTL_6338_SPI_EN (1 << 9) + +#define CKCTL_6338_ALL_SAFE_EN (CKCTL_6338_ENET_EN | \ + CKCTL_6338_SAR_EN | \ + CKCTL_6338_SPI_EN) + #define CKCTL_6348_ADSLPHY_EN (1 << 0) #define CKCTL_6348_MPI_EN (1 << 1) #define CKCTL_6348_SDRAM_EN (1 << 2) @@ -83,6 +92,25 @@ /* Soft Reset register */ #define PERF_SOFTRESET_REG 0x28 +#define SOFTRESET_6338_SPI_MASK (1 << 0) +#define SOFTRESET_6338_ENET_MASK (1 << 2) +#define SOFTRESET_6338_USBH_MASK (1 << 3) +#define SOFTRESET_6338_USBS_MASK (1 << 4) +#define SOFTRESET_6338_ADSL_MASK (1 << 5) +#define SOFTRESET_6338_DMAMEM_MASK (1 << 6) +#define SOFTRESET_6338_SAR_MASK (1 << 7) +#define SOFTRESET_6338_ACLC_MASK (1 << 8) +#define SOFTRESET_6338_ADSLMIPSPLL_MASK (1 << 10) +#define SOFTRESET_6338_ALL (SOFTRESET_6338_SPI_MASK | \ + SOFTRESET_6338_ENET_MASK | \ + SOFTRESET_6338_USBH_MASK | \ + SOFTRESET_6338_USBS_MASK | \ + SOFTRESET_6338_ADSL_MASK | \ + SOFTRESET_6338_DMAMEM_MASK | \ + SOFTRESET_6338_SAR_MASK | \ + SOFTRESET_6338_ACLC_MASK | \ + SOFTRESET_6338_ADSLMIPSPLL_MASK) + #define SOFTRESET_6348_SPI_MASK (1 << 0) #define SOFTRESET_6348_ENET_MASK (1 << 2) #define SOFTRESET_6348_USBH_MASK (1 << 3) @@ -763,7 +791,7 @@ #define SPI_INT_MASK 0x704 #define SPI_INTR_CMD_DONE 0x01 #define SPI_INTR_RX_OVERFLOW 0x02 -#define SPI_INTR_INTR_TX_UNDERFLOW 0x04 +#define SPI_INTR_TX_UNDERFLOW 0x04 #define SPI_INTR_TX_OVERFLOW 0x08 #define SPI_INTR_RX_UNDERFLOW 0x10 #define SPI_INTR_CLEAR_ALL 0x1f