diff options
Diffstat (limited to 'arch/mips/bcm63xx/cpu.c')
| -rw-r--r-- | arch/mips/bcm63xx/cpu.c | 261 |
1 files changed, 91 insertions, 170 deletions
diff --git a/arch/mips/bcm63xx/cpu.c b/arch/mips/bcm63xx/cpu.c index 7c7e4d4486ce..8f0d6c7725ea 100644 --- a/arch/mips/bcm63xx/cpu.c +++ b/arch/mips/bcm63xx/cpu.c @@ -29,166 +29,47 @@ 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_DSL_LMEM] = BCM_6338_DSL_LMEM_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_UART1] = BCM_6338_UART1_BASE, - [RSET_GPIO] = BCM_6338_GPIO_BASE, - [RSET_SPI] = BCM_6338_SPI_BASE, - [RSET_OHCI0] = BCM_6338_OHCI0_BASE, - [RSET_OHCI_PRIV] = BCM_6338_OHCI_PRIV_BASE, - [RSET_USBH_PRIV] = BCM_6338_USBH_PRIV_BASE, - [RSET_UDC0] = BCM_6338_UDC0_BASE, - [RSET_MPI] = BCM_6338_MPI_BASE, - [RSET_PCMCIA] = BCM_6338_PCMCIA_BASE, - [RSET_SDRAM] = BCM_6338_SDRAM_BASE, - [RSET_DSL] = BCM_6338_DSL_BASE, - [RSET_ENET0] = BCM_6338_ENET0_BASE, - [RSET_ENET1] = BCM_6338_ENET1_BASE, - [RSET_ENETDMA] = BCM_6338_ENETDMA_BASE, - [RSET_MEMC] = BCM_6338_MEMC_BASE, - [RSET_DDR] = BCM_6338_DDR_BASE, +static const unsigned long bcm6338_regs_base[] = { + __GEN_CPU_REGS_TABLE(6338) }; -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, +static const int bcm6338_irqs[] = { + __GEN_CPU_IRQ_TABLE(6338) }; -/* - * 6345 register sets and irqs - */ -static const unsigned long bcm96345_regs_base[] = { - [RSET_DSL_LMEM] = BCM_6345_DSL_LMEM_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_UART1] = BCM_6345_UART1_BASE, - [RSET_GPIO] = BCM_6345_GPIO_BASE, - [RSET_SPI] = BCM_6345_SPI_BASE, - [RSET_UDC0] = BCM_6345_UDC0_BASE, - [RSET_OHCI0] = BCM_6345_OHCI0_BASE, - [RSET_OHCI_PRIV] = BCM_6345_OHCI_PRIV_BASE, - [RSET_USBH_PRIV] = BCM_6345_USBH_PRIV_BASE, - [RSET_MPI] = BCM_6345_MPI_BASE, - [RSET_PCMCIA] = BCM_6345_PCMCIA_BASE, - [RSET_DSL] = BCM_6345_DSL_BASE, - [RSET_ENET0] = BCM_6345_ENET0_BASE, - [RSET_ENET1] = BCM_6345_ENET1_BASE, - [RSET_ENETDMA] = BCM_6345_ENETDMA_BASE, - [RSET_EHCI0] = BCM_6345_EHCI0_BASE, - [RSET_SDRAM] = BCM_6345_SDRAM_BASE, - [RSET_MEMC] = BCM_6345_MEMC_BASE, - [RSET_DDR] = BCM_6345_DDR_BASE, +static const unsigned long bcm6345_regs_base[] = { + __GEN_CPU_REGS_TABLE(6345) }; -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, - [IRQ_ENET0_RXDMA] = BCM_6345_ENET0_RXDMA_IRQ, - [IRQ_ENET0_TXDMA] = BCM_6345_ENET0_TXDMA_IRQ, +static const int bcm6345_irqs[] = { + __GEN_CPU_IRQ_TABLE(6345) }; -/* - * 6348 register sets and irqs - */ -static const unsigned long bcm96348_regs_base[] = { - [RSET_DSL_LMEM] = BCM_6348_DSL_LMEM_BASE, - [RSET_PERF] = BCM_6348_PERF_BASE, - [RSET_TIMER] = BCM_6348_TIMER_BASE, - [RSET_WDT] = BCM_6348_WDT_BASE, - [RSET_UART0] = BCM_6348_UART0_BASE, - [RSET_UART1] = BCM_6348_UART1_BASE, - [RSET_GPIO] = BCM_6348_GPIO_BASE, - [RSET_SPI] = BCM_6348_SPI_BASE, - [RSET_OHCI0] = BCM_6348_OHCI0_BASE, - [RSET_OHCI_PRIV] = BCM_6348_OHCI_PRIV_BASE, - [RSET_USBH_PRIV] = BCM_6348_USBH_PRIV_BASE, - [RSET_MPI] = BCM_6348_MPI_BASE, - [RSET_PCMCIA] = BCM_6348_PCMCIA_BASE, - [RSET_SDRAM] = BCM_6348_SDRAM_BASE, - [RSET_DSL] = BCM_6348_DSL_BASE, - [RSET_ENET0] = BCM_6348_ENET0_BASE, - [RSET_ENET1] = BCM_6348_ENET1_BASE, - [RSET_ENETDMA] = BCM_6348_ENETDMA_BASE, - [RSET_MEMC] = BCM_6348_MEMC_BASE, - [RSET_DDR] = BCM_6348_DDR_BASE, +static const unsigned long bcm6348_regs_base[] = { + __GEN_CPU_REGS_TABLE(6348) }; -static const int bcm96348_irqs[] = { - [IRQ_TIMER] = BCM_6348_TIMER_IRQ, - [IRQ_UART0] = BCM_6348_UART0_IRQ, - [IRQ_DSL] = BCM_6348_DSL_IRQ, - [IRQ_ENET0] = BCM_6348_ENET0_IRQ, - [IRQ_ENET1] = BCM_6348_ENET1_IRQ, - [IRQ_ENET_PHY] = BCM_6348_ENET_PHY_IRQ, - [IRQ_OHCI0] = BCM_6348_OHCI0_IRQ, - [IRQ_PCMCIA] = BCM_6348_PCMCIA_IRQ, - [IRQ_ENET0_RXDMA] = BCM_6348_ENET0_RXDMA_IRQ, - [IRQ_ENET0_TXDMA] = BCM_6348_ENET0_TXDMA_IRQ, - [IRQ_ENET1_RXDMA] = BCM_6348_ENET1_RXDMA_IRQ, - [IRQ_ENET1_TXDMA] = BCM_6348_ENET1_TXDMA_IRQ, - [IRQ_PCI] = BCM_6348_PCI_IRQ, +static const int bcm6348_irqs[] = { + __GEN_CPU_IRQ_TABLE(6348) + }; -/* - * 6358 register sets and irqs - */ -static const unsigned long bcm96358_regs_base[] = { - [RSET_DSL_LMEM] = BCM_6358_DSL_LMEM_BASE, - [RSET_PERF] = BCM_6358_PERF_BASE, - [RSET_TIMER] = BCM_6358_TIMER_BASE, - [RSET_WDT] = BCM_6358_WDT_BASE, - [RSET_UART0] = BCM_6358_UART0_BASE, - [RSET_UART1] = BCM_6358_UART1_BASE, - [RSET_GPIO] = BCM_6358_GPIO_BASE, - [RSET_SPI] = BCM_6358_SPI_BASE, - [RSET_OHCI0] = BCM_6358_OHCI0_BASE, - [RSET_EHCI0] = BCM_6358_EHCI0_BASE, - [RSET_OHCI_PRIV] = BCM_6358_OHCI_PRIV_BASE, - [RSET_USBH_PRIV] = BCM_6358_USBH_PRIV_BASE, - [RSET_MPI] = BCM_6358_MPI_BASE, - [RSET_PCMCIA] = BCM_6358_PCMCIA_BASE, - [RSET_SDRAM] = BCM_6358_SDRAM_BASE, - [RSET_DSL] = BCM_6358_DSL_BASE, - [RSET_ENET0] = BCM_6358_ENET0_BASE, - [RSET_ENET1] = BCM_6358_ENET1_BASE, - [RSET_ENETDMA] = BCM_6358_ENETDMA_BASE, - [RSET_MEMC] = BCM_6358_MEMC_BASE, - [RSET_DDR] = BCM_6358_DDR_BASE, +static const unsigned long bcm6358_regs_base[] = { + __GEN_CPU_REGS_TABLE(6358) +}; + +static const int bcm6358_irqs[] = { + __GEN_CPU_IRQ_TABLE(6358) + }; -static const int bcm96358_irqs[] = { - [IRQ_TIMER] = BCM_6358_TIMER_IRQ, - [IRQ_UART0] = BCM_6358_UART0_IRQ, - [IRQ_UART1] = BCM_6358_UART1_IRQ, - [IRQ_DSL] = BCM_6358_DSL_IRQ, - [IRQ_ENET0] = BCM_6358_ENET0_IRQ, - [IRQ_ENET1] = BCM_6358_ENET1_IRQ, - [IRQ_ENET_PHY] = BCM_6358_ENET_PHY_IRQ, - [IRQ_OHCI0] = BCM_6358_OHCI0_IRQ, - [IRQ_EHCI0] = BCM_6358_EHCI0_IRQ, - [IRQ_PCMCIA] = BCM_6358_PCMCIA_IRQ, - [IRQ_ENET0_RXDMA] = BCM_6358_ENET0_RXDMA_IRQ, - [IRQ_ENET0_TXDMA] = BCM_6358_ENET0_TXDMA_IRQ, - [IRQ_ENET1_RXDMA] = BCM_6358_ENET1_RXDMA_IRQ, - [IRQ_ENET1_TXDMA] = BCM_6358_ENET1_TXDMA_IRQ, - [IRQ_PCI] = BCM_6358_PCI_IRQ, +static const unsigned long bcm6368_regs_base[] = { + __GEN_CPU_REGS_TABLE(6368) +}; + +static const int bcm6368_irqs[] = { + __GEN_CPU_IRQ_TABLE(6368) + }; u16 __bcm63xx_get_cpu_id(void) @@ -217,20 +98,19 @@ unsigned int bcm63xx_get_memory_size(void) static unsigned int detect_cpu_clock(void) { - unsigned int tmp, n1 = 0, n2 = 0, m1 = 0; - - /* BCM6338 has a fixed 240 Mhz frequency */ - if (BCMCPU_IS_6338()) + switch (bcm63xx_get_cpu_id()) { + case BCM6338_CPU_ID: + /* BCM6338 has a fixed 240 Mhz frequency */ return 240000000; - /* BCM6345 has a fixed 140Mhz frequency */ - if (BCMCPU_IS_6345()) + case BCM6345_CPU_ID: + /* BCM6345 has a fixed 140Mhz frequency */ return 140000000; - /* - * frequency depends on PLL configuration: - */ - if (BCMCPU_IS_6348()) { + case BCM6348_CPU_ID: + { + unsigned int tmp, n1, n2, m1; + /* 16MHz * (N1 + 1) * (N2 + 2) / (M1_CPU + 1) */ tmp = bcm_perf_readl(PERF_MIPSPLLCTL_REG); n1 = (tmp & MIPSPLLCTL_N1_MASK) >> MIPSPLLCTL_N1_SHIFT; @@ -239,17 +119,47 @@ static unsigned int detect_cpu_clock(void) n1 += 1; n2 += 2; m1 += 1; + return (16 * 1000000 * n1 * n2) / m1; } - if (BCMCPU_IS_6358()) { + case BCM6358_CPU_ID: + { + unsigned int tmp, n1, n2, m1; + /* 16MHz * N1 * N2 / M1_CPU */ tmp = bcm_ddr_readl(DDR_DMIPSPLLCFG_REG); n1 = (tmp & DMIPSPLLCFG_N1_MASK) >> DMIPSPLLCFG_N1_SHIFT; n2 = (tmp & DMIPSPLLCFG_N2_MASK) >> DMIPSPLLCFG_N2_SHIFT; m1 = (tmp & DMIPSPLLCFG_M1_MASK) >> DMIPSPLLCFG_M1_SHIFT; + return (16 * 1000000 * n1 * n2) / m1; } - return (16 * 1000000 * n1 * n2) / m1; + case BCM6368_CPU_ID: + { + unsigned int tmp, p1, p2, ndiv, m1; + + /* (64MHz / P1) * P2 * NDIV / M1_CPU */ + tmp = bcm_ddr_readl(DDR_DMIPSPLLCFG_6368_REG); + + p1 = (tmp & DMIPSPLLCFG_6368_P1_MASK) >> + DMIPSPLLCFG_6368_P1_SHIFT; + + p2 = (tmp & DMIPSPLLCFG_6368_P2_MASK) >> + DMIPSPLLCFG_6368_P2_SHIFT; + + ndiv = (tmp & DMIPSPLLCFG_6368_NDIV_MASK) >> + DMIPSPLLCFG_6368_NDIV_SHIFT; + + tmp = bcm_ddr_readl(DDR_DMIPSPLLDIV_6368_REG); + m1 = (tmp & DMIPSPLLDIV_6368_MDIV_MASK) >> + DMIPSPLLDIV_6368_MDIV_SHIFT; + + return (((64 * 1000000) / p1) * p2 * ndiv) / m1; + } + + default: + BUG(); + } } /* @@ -260,8 +170,10 @@ static unsigned int detect_memory_size(void) unsigned int cols = 0, rows = 0, is_32bits = 0, banks = 0; u32 val; - if (BCMCPU_IS_6345()) - return (8 * 1024 * 1024); + if (BCMCPU_IS_6345()) { + val = bcm_sdram_readl(SDRAM_MBASE_REG); + return (val * 8 * 1024 * 1024); + } if (BCMCPU_IS_6338() || BCMCPU_IS_6348()) { val = bcm_sdram_readl(SDRAM_CFG_REG); @@ -271,7 +183,7 @@ static unsigned int detect_memory_size(void) banks = (val & SDRAM_CFG_BANK_MASK) ? 2 : 1; } - if (BCMCPU_IS_6358()) { + if (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; @@ -301,24 +213,33 @@ void __init bcm63xx_cpu_init(void) case CPU_BMIPS3300: if ((read_c0_prid() & 0xff00) == PRID_IMP_BMIPS3300_ALT) { expected_cpu_id = BCM6348_CPU_ID; - bcm63xx_regs_base = bcm96348_regs_base; - bcm63xx_irqs = bcm96348_irqs; + bcm63xx_regs_base = bcm6348_regs_base; + bcm63xx_irqs = bcm6348_irqs; } else { __cpu_name[cpu] = "Broadcom BCM6338"; expected_cpu_id = BCM6338_CPU_ID; - bcm63xx_regs_base = bcm96338_regs_base; - bcm63xx_irqs = bcm96338_irqs; + bcm63xx_regs_base = bcm6338_regs_base; + bcm63xx_irqs = bcm6338_irqs; } break; case CPU_BMIPS32: expected_cpu_id = BCM6345_CPU_ID; - bcm63xx_regs_base = bcm96345_regs_base; - bcm63xx_irqs = bcm96345_irqs; + bcm63xx_regs_base = bcm6345_regs_base; + bcm63xx_irqs = bcm6345_irqs; break; case CPU_BMIPS4350: - expected_cpu_id = BCM6358_CPU_ID; - bcm63xx_regs_base = bcm96358_regs_base; - bcm63xx_irqs = bcm96358_irqs; + switch (read_c0_prid() & 0xf0) { + case 0x10: + expected_cpu_id = BCM6358_CPU_ID; + bcm63xx_regs_base = bcm6358_regs_base; + bcm63xx_irqs = bcm6358_irqs; + break; + case 0x30: + expected_cpu_id = BCM6368_CPU_ID; + bcm63xx_regs_base = bcm6368_regs_base; + bcm63xx_irqs = bcm6368_irqs; + break; + } break; } |
