From: Maxime Bizon <mbizon@xxxxxxxxxx> Signed-off-by: Maxime Bizon <mbizon@xxxxxxxxxx> Signed-off-by: Florian Fainelli <florian@xxxxxxxxxxx> Signed-off-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx> arch/mips/Kconfig | 18 arch/mips/Makefile | 7 arch/mips/bcm63xx/Kconfig | 9 arch/mips/bcm63xx/Makefile | 4 arch/mips/bcm63xx/clk.c | 220 +++ arch/mips/bcm63xx/cpu.c | 245 ++++ arch/mips/bcm63xx/cs.c | 144 ++ arch/mips/bcm63xx/early_printk.c | 30 arch/mips/bcm63xx/gpio.c | 128 ++ arch/mips/bcm63xx/irq.c | 253 ++++ arch/mips/bcm63xx/prom.c | 43 arch/mips/bcm63xx/setup.c | 111 + arch/mips/bcm63xx/timer.c | 205 +++ arch/mips/include/asm/fixmap.h | 4 arch/mips/include/asm/mach-bcm63xx/bcm63xx_clk.h | 11 arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h | 314 +++++ arch/mips/include/asm/mach-bcm63xx/bcm63xx_cs.h | 10 arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h | 10 arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h | 93 + arch/mips/include/asm/mach-bcm63xx/bcm63xx_irq.h | 15 arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h | 728 +++++++++++++ arch/mips/include/asm/mach-bcm63xx/bcm63xx_timer.h | 11 arch/mips/include/asm/mach-bcm63xx/cpu-feature-overrides.h | 51 arch/mips/include/asm/mach-bcm63xx/gpio.h | 17 arch/mips/include/asm/mach-bcm63xx/war.h | 25 25 files changed, 2705 insertions(+), 1 deletion(-) create mode 100644 arch/mips/bcm63xx/Kconfig create mode 100644 arch/mips/bcm63xx/Makefile create mode 100644 arch/mips/bcm63xx/clk.c create mode 100644 arch/mips/bcm63xx/cpu.c create mode 100644 arch/mips/bcm63xx/cs.c create mode 100644 arch/mips/bcm63xx/early_printk.c create mode 100644 arch/mips/bcm63xx/gpio.c create mode 100644 arch/mips/bcm63xx/irq.c create mode 100644 arch/mips/bcm63xx/prom.c create mode 100644 arch/mips/bcm63xx/setup.c create mode 100644 arch/mips/bcm63xx/timer.c create mode 100644 arch/mips/include/asm/mach-bcm63xx/bcm63xx_clk.h create mode 100644 arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h create mode 100644 arch/mips/include/asm/mach-bcm63xx/bcm63xx_cs.h create mode 100644 arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h create mode 100644 arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h create mode 100644 arch/mips/include/asm/mach-bcm63xx/bcm63xx_irq.h create mode 100644 arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h create mode 100644 arch/mips/include/asm/mach-bcm63xx/bcm63xx_timer.h create mode 100644 arch/mips/include/asm/mach-bcm63xx/cpu-feature-overrides.h create mode 100644 arch/mips/include/asm/mach-bcm63xx/gpio.h create mode 100644 arch/mips/include/asm/mach-bcm63xx/war.h --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -60,7 +60,7 @@ config BASLER_EXCITE Basler Vision Technologies AG. config BCM47XX - bool "BCM47XX based boards" + bool "Broadcom BCM47XX based boards" select CEVT_R4K select CSRC_R4K select DMA_NONCOHERENT @@ -80,6 +80,21 @@ config BCM47XX help Support for BCM47XX based boards +config BCM63XX + bool "Broadcom BCM63XX based boards" + select CEVT_R4K + select CSRC_R4K + select DMA_NONCOHERENT + select IRQ_CPU + select SYS_HAS_CPU_MIPS32_R1 + select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_BIG_ENDIAN + select SYS_HAS_EARLY_PRINTK + select SWAP_IO_SPACE + select ARCH_REQUIRE_GPIOLIB + help + Support for BCM63XX based boards + config MIPS_COBALT bool "Cobalt Server" select CEVT_R4K @@ -659,6 +674,7 @@ endchoice source "arch/mips/alchemy/Kconfig" source "arch/mips/basler/excite/Kconfig" +source "arch/mips/bcm63xx/Kconfig" source "arch/mips/jazz/Kconfig" source "arch/mips/lasat/Kconfig" source "arch/mips/pmc-sierra/Kconfig" --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -560,6 +560,13 @@ cflags-$(CONFIG_BCM47XX) += -I$(srctree) load-$(CONFIG_BCM47XX) := 0xffffffff80001000 # +# Broadcom BCM63XX boards +# +core-$(CONFIG_BCM63XX) += arch/mips/bcm63xx/ +cflags-$(CONFIG_BCM63XX) += -I$(srctree)/arch/mips/include/asm/mach-bcm63xx/ +load-$(CONFIG_BCM63XX) := 0xffffffff80010000 + +# # SNI RM # core-$(CONFIG_SNI_RM) += arch/mips/sni/ --- /dev/null +++ b/arch/mips/bcm63xx/Kconfig @@ -0,0 +1,9 @@ +menu "CPU support" + depends on BCM63XX + +config BCM63XX_CPU_6348 + bool "support 6348 CPU" + +config BCM63XX_CPU_6358 + bool "support 6358 CPU" +endmenu --- /dev/null +++ b/arch/mips/bcm63xx/Makefile @@ -0,0 +1,4 @@ +obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o +obj-$(CONFIG_EARLY_PRINTK) += early_printk.o + +EXTRA_CFLAGS += -Werror --- /dev/null +++ b/arch/mips/bcm63xx/clk.c @@ -0,0 +1,220 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2008 Maxime Bizon <mbizon@xxxxxxxxxx> + */ + +#include <linux/module.h> +#include <linux/mutex.h> +#include <linux/err.h> +#include <linux/clk.h> +#include <bcm63xx_cpu.h> +#include <bcm63xx_io.h> +#include <bcm63xx_regs.h> +#include <bcm63xx_clk.h> + +DEFINE_MUTEX(clocks_mutex); + + +static void clk_enable_unlocked(struct clk *clk) +{ + if (clk->set && (clk->usage++) == 0) + clk->set(clk, 1); +} + +static void clk_disable_unlocked(struct clk *clk) +{ + if (clk->set && (--clk->usage) == 0) + clk->set(clk, 0); +} + +static void bcm_hwclock_set(u32 mask, int enable) +{ + u32 reg; + + reg = bcm_perf_readl(PERF_CKCTL_REG); + if (enable) + reg |= mask; + else + reg &= ~mask; + bcm_perf_writel(reg, PERF_CKCTL_REG); +} + +/* + * Ethernet MAC "misc" clock: dma clocks and main clock on 6348 + */ +static void enet_misc_set(struct clk *clk, int enable) +{ + u32 mask; + + if (BCMCPU_IS_6348()) + mask = CKCTL_6348_ENET_EN; + else + /* BCMCPU_IS_6358 */ + mask = CKCTL_6358_EMUSB_EN; + bcm_hwclock_set(mask, enable); +} + +static struct clk clk_enet_misc = { + .set = enet_misc_set, +}; + +/* + * Ethernet MAC clocks: only revelant on 6358, silently enable misc + * clocks + */ +static void enetx_set(struct clk *clk, int enable) +{ + if (enable) + clk_enable_unlocked(&clk_enet_misc); + else + clk_disable_unlocked(&clk_enet_misc); + + if (BCMCPU_IS_6358()) { + u32 mask; + + if (clk->id == 0) + mask = CKCTL_6358_ENET0_EN; + else + mask = CKCTL_6358_ENET1_EN; + bcm_hwclock_set(mask, enable); + } +} + +static struct clk clk_enet0 = { + .id = 0, + .set = enetx_set, +}; + +static struct clk clk_enet1 = { + .id = 1, + .set = enetx_set, +}; + +/* + * Ethernet PHY clock + */ +static void ephy_set(struct clk *clk, int enable) +{ + if (!BCMCPU_IS_6358()) + return; + bcm_hwclock_set(CKCTL_6358_EPHY_EN, enable); +} + + +static struct clk clk_ephy = { + .set = ephy_set, +}; + +/* + * PCM clock + */ +static void pcm_set(struct clk *clk, int enable) +{ + if (!BCMCPU_IS_6358()) + return; + bcm_hwclock_set(CKCTL_6358_PCM_EN, enable); +} + +static struct clk clk_pcm = { + .set = pcm_set, +}; + +/* + * USB host clock + */ +static void usbh_set(struct clk *clk, int enable) +{ + if (!BCMCPU_IS_6348()) + return; + bcm_hwclock_set(CKCTL_6348_USBH_EN, enable); +} + +static struct clk clk_usbh = { + .set = usbh_set, +}; + +/* + * SPI clock + */ +static void spi_set(struct clk *clk, int enable) +{ + u32 mask; + + if (BCMCPU_IS_6348()) + mask = CKCTL_6348_SPI_EN; + else + /* BCMCPU_IS_6358 */ + mask = CKCTL_6358_SPI_EN; + bcm_hwclock_set(mask, enable); +} + +static struct clk clk_spi = { + .set = spi_set, +}; + +/* + * Internal peripheral clock + */ +static struct clk clk_periph = { + .rate = (50 * 1000 * 1000), +}; + + +/* + * Linux clock API implementation + */ +int clk_enable(struct clk *clk) +{ + mutex_lock(&clocks_mutex); + clk_enable_unlocked(clk); + mutex_unlock(&clocks_mutex); + return 0; +} + +EXPORT_SYMBOL(clk_enable); + +void clk_disable(struct clk *clk) +{ + mutex_lock(&clocks_mutex); + clk_disable_unlocked(clk); + mutex_unlock(&clocks_mutex); +} + +EXPORT_SYMBOL(clk_disable); + +unsigned long clk_get_rate(struct clk *clk) +{ + return clk->rate; +} + +EXPORT_SYMBOL(clk_get_rate); + +struct clk *clk_get(struct device *dev, const char *id) +{ + if (!strcmp(id, "enet0")) + return &clk_enet0; + if (!strcmp(id, "enet1")) + return &clk_enet1; + if (!strcmp(id, "ephy")) + return &clk_ephy; + if (!strcmp(id, "usbh")) + return &clk_usbh; + if (!strcmp(id, "spi")) + return &clk_spi; + if (!strcmp(id, "periph")) + return &clk_periph; + if (BCMCPU_IS_6358() && !strcmp(id, "pcm")) + return &clk_pcm; + return ERR_PTR(-ENOENT); +} + +EXPORT_SYMBOL(clk_get); + +void clk_put(struct clk *clk) +{ +} + +EXPORT_SYMBOL(clk_put); --- /dev/null +++ b/arch/mips/bcm63xx/cpu.c @@ -0,0 +1,245 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2008 Maxime Bizon <mbizon@xxxxxxxxxx> + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/cpu.h> +#include <bcm63xx_cpu.h> +#include <bcm63xx_regs.h> +#include <bcm63xx_io.h> +#include <bcm63xx_irq.h> + +const unsigned long *bcm63xx_regs_base; +EXPORT_SYMBOL(bcm63xx_regs_base); + +const int *bcm63xx_irqs; +EXPORT_SYMBOL(bcm63xx_irqs); + +static u16 bcm63xx_cpu_id; +static u16 bcm63xx_cpu_rev; +static unsigned int bcm63xx_cpu_freq; +static unsigned int bcm63xx_memory_size; + +/* + * 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_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 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, +}; + +/* + * 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_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 int bcm96358_irqs[] = { + [IRQ_TIMER] = BCM_6358_TIMER_IRQ, + [IRQ_UART0] = BCM_6358_UART0_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, +}; + +u16 __bcm63xx_get_cpu_id(void) +{ + return bcm63xx_cpu_id; +} + +EXPORT_SYMBOL(__bcm63xx_get_cpu_id); + +u16 bcm63xx_get_cpu_rev(void) +{ + return bcm63xx_cpu_rev; +} + +EXPORT_SYMBOL(bcm63xx_get_cpu_rev); + +unsigned int bcm63xx_get_cpu_freq(void) +{ + return bcm63xx_cpu_freq; +} + +unsigned int bcm63xx_get_memory_size(void) +{ + return bcm63xx_memory_size; +} + +static unsigned int detect_cpu_clock(void) +{ + unsigned int tmp, n1 = 0, n2 = 0, m1 = 0; + + /* + * frequency depends on PLL configuration: + */ + if (BCMCPU_IS_6348()) { + /* 16MHz * (N1 + 1) * (N2 + 2) / (M1_CPU + 1) */ + tmp = bcm_perf_readl(PERF_MIPSPLLCTL_REG); + n1 = (tmp & MIPSPLLCTL_N1_MASK) >> MIPSPLLCTL_N1_SHIFT; + n2 = (tmp & MIPSPLLCTL_N2_MASK) >> MIPSPLLCTL_N2_SHIFT; + m1 = (tmp & MIPSPLLCTL_M1CPU_MASK) >> MIPSPLLCTL_M1CPU_SHIFT; + n1 += 1; + n2 += 2; + m1 += 1; + } + + if (BCMCPU_IS_6358()) { + /* 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; +} + +/* + * attempt to detect the amount of memory installed + */ +static unsigned int detect_memory_size(void) +{ + unsigned int cols = 0, rows = 0, is_32bits = 0, banks = 0; + u32 val; + + if (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; + is_32bits = (val & SDRAM_CFG_32B_MASK) ? 1 : 0; + banks = (val & SDRAM_CFG_BANK_MASK) ? 2 : 1; + } + + if (BCMCPU_IS_6358()) { + 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; + is_32bits = (val & MEMC_CFG_32B_MASK) ? 0 : 1; + banks = 2; + } + + /* 0 => 11 address bits ... 2 => 13 address bits */ + rows += 11; + + /* 0 => 8 address bits ... 2 => 10 address bits */ + cols += 8; + + return 1 << (cols + rows + (is_32bits + 1) + banks); +} + +void __init bcm63xx_cpu_init(void) +{ + unsigned int tmp, expected_cpu_id; + struct cpuinfo_mips *c = ¤t_cpu_data; + + /* soc registers location depends on cpu type */ + expected_cpu_id = 0; + + switch (c->cputype) { + case CPU_BCM6348: + expected_cpu_id = BCM6348_CPU_ID; + bcm63xx_regs_base = bcm96348_regs_base; + bcm63xx_irqs = bcm96348_irqs; + break; + case CPU_BCM6358: + expected_cpu_id = BCM6358_CPU_ID; + bcm63xx_regs_base = bcm96358_regs_base; + bcm63xx_irqs = bcm96358_irqs; + break; + } + + /* really early to panic, but delaying panic would not help + * since we will never get any working console */ + if (!expected_cpu_id) + panic("unsupported Broadcom CPU"); + + /* + * bcm63xx_regs_base is set, we can access soc registers + */ + + /* double check CPU type */ + tmp = bcm_perf_readl(PERF_REV_REG); + bcm63xx_cpu_id = (tmp & REV_CHIPID_MASK) >> REV_CHIPID_SHIFT; + bcm63xx_cpu_rev = (tmp & REV_REVID_MASK) >> REV_REVID_SHIFT; + + if (bcm63xx_cpu_id != expected_cpu_id) + panic("bcm63xx CPU id mismatch"); + + bcm63xx_cpu_freq = detect_cpu_clock(); + bcm63xx_memory_size = detect_memory_size(); + + printk(KERN_INFO "Detected Broadcom 0x%04x CPU revision %02x\n", + bcm63xx_cpu_id, bcm63xx_cpu_rev); + printk(KERN_INFO "CPU frequency is %u MHz\n", + bcm63xx_cpu_freq / 1000000); + printk(KERN_INFO "%uMB of RAM installed\n", + bcm63xx_memory_size >> 20); +} --- /dev/null +++ b/arch/mips/bcm63xx/cs.c @@ -0,0 +1,144 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2008 Maxime Bizon <mbizon@xxxxxxxxxx> + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/spinlock.h> +#include <linux/log2.h> +#include <bcm63xx_cpu.h> +#include <bcm63xx_io.h> +#include <bcm63xx_regs.h> +#include <bcm63xx_cs.h> + +static DEFINE_SPINLOCK(bcm63xx_cs_lock); + +/* + * check if given chip select exists + */ +static int is_valid_cs(unsigned int cs) +{ + if (cs > 6) + return 0; + return 1; +} + +/* + * Configure chipselect base address and size (bytes). + * Size must be a power of two between 8k and 256M. + */ +int bcm63xx_set_cs_base(unsigned int cs, u32 base, unsigned int size) +{ + unsigned long flags; + u32 val; + + if (!is_valid_cs(cs)) + return -EINVAL; + + /* sanity check on size */ + if (size != roundup_pow_of_two(size)) + return -EINVAL; + + if (size < 8 * 1024 || size > 256 * 1024 * 1024) + return -EINVAL; + + val = (base & MPI_CSBASE_BASE_MASK); + /* 8k => 0 - 256M => 15 */ + val |= (ilog2(size) - ilog2(8 * 1024)) << MPI_CSBASE_SIZE_SHIFT; + + spin_lock_irqsave(&bcm63xx_cs_lock, flags); + bcm_mpi_writel(val, MPI_CSBASE_REG(cs)); + spin_unlock_irqrestore(&bcm63xx_cs_lock, flags); + + return 0; +} + +EXPORT_SYMBOL(bcm63xx_set_cs_base); + +/* + * configure chipselect timing (ns) + */ +int bcm63xx_set_cs_timing(unsigned int cs, unsigned int wait, + unsigned int setup, unsigned int hold) +{ + unsigned long flags; + u32 val; + + if (!is_valid_cs(cs)) + return -EINVAL; + + spin_lock_irqsave(&bcm63xx_cs_lock, flags); + val = bcm_mpi_readl(MPI_CSCTL_REG(cs)); + val &= ~(MPI_CSCTL_WAIT_MASK); + val &= ~(MPI_CSCTL_SETUP_MASK); + val &= ~(MPI_CSCTL_HOLD_MASK); + val |= wait << MPI_CSCTL_WAIT_SHIFT; + val |= setup << MPI_CSCTL_SETUP_SHIFT; + val |= hold << MPI_CSCTL_HOLD_SHIFT; + bcm_mpi_writel(val, MPI_CSCTL_REG(cs)); + spin_unlock_irqrestore(&bcm63xx_cs_lock, flags); + + return 0; +} + +EXPORT_SYMBOL(bcm63xx_set_cs_timing); + +/* + * configure other chipselect parameter (data bus size, ...) + */ +int bcm63xx_set_cs_param(unsigned int cs, u32 params) +{ + unsigned long flags; + u32 val; + + if (!is_valid_cs(cs)) + return -EINVAL; + + /* none of this fields apply to pcmcia */ + if (cs == MPI_CS_PCMCIA_COMMON || + cs == MPI_CS_PCMCIA_ATTR || + cs == MPI_CS_PCMCIA_IO) + return -EINVAL; + + spin_lock_irqsave(&bcm63xx_cs_lock, flags); + val = bcm_mpi_readl(MPI_CSCTL_REG(cs)); + val &= ~(MPI_CSCTL_DATA16_MASK); + val &= ~(MPI_CSCTL_SYNCMODE_MASK); + val &= ~(MPI_CSCTL_TSIZE_MASK); + val &= ~(MPI_CSCTL_ENDIANSWAP_MASK); + val |= params; + bcm_mpi_writel(val, MPI_CSCTL_REG(cs)); + spin_unlock_irqrestore(&bcm63xx_cs_lock, flags); + + return 0; +} + +EXPORT_SYMBOL(bcm63xx_set_cs_param); + +/* + * set cs status (enable/disable) + */ +int bcm63xx_set_cs_status(unsigned int cs, int enable) +{ + unsigned long flags; + u32 val; + + if (!is_valid_cs(cs)) + return -EINVAL; + + spin_lock_irqsave(&bcm63xx_cs_lock, flags); + val = bcm_mpi_readl(MPI_CSCTL_REG(cs)); + if (enable) + val |= MPI_CSCTL_ENABLE_MASK; + else + val &= ~MPI_CSCTL_ENABLE_MASK; + bcm_mpi_writel(val, MPI_CSCTL_REG(cs)); + spin_unlock_irqrestore(&bcm63xx_cs_lock, flags); + return 0; +} + +EXPORT_SYMBOL(bcm63xx_set_cs_status); --- /dev/null +++ b/arch/mips/bcm63xx/early_printk.c @@ -0,0 +1,30 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2008 Maxime Bizon <mbizon@xxxxxxxxxx> + */ + +#include <linux/init.h> +#include <bcm63xx_io.h> +#include <bcm63xx_regs.h> + +static void __init wait_xfered(void) +{ + unsigned int val; + + /* wait for any previous char to be transmitted */ + do { + val = bcm_uart0_readl(UART_IR_REG); + if (val & UART_IR_STAT(UART_IR_TXEMPTY)) + break; + } while (1); +} + +void __init prom_putchar(char c) +{ + wait_xfered(); + bcm_uart0_writel(c, UART_FIFO_REG); + wait_xfered(); +} --- /dev/null +++ b/arch/mips/bcm63xx/gpio.c @@ -0,0 +1,128 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2008 Maxime Bizon <mbizon@xxxxxxxxxx> + * Copyright (C) 2008 Florian Fainelli <florian@xxxxxxxxxxx> + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/spinlock.h> +#include <linux/platform_device.h> +#include <linux/gpio.h> + +#include <bcm63xx_cpu.h> +#include <bcm63xx_gpio.h> +#include <bcm63xx_io.h> +#include <bcm63xx_regs.h> + +static void bcm63xx_gpio_set(struct gpio_chip *chip, + unsigned gpio, int val) +{ + u32 reg; + u32 mask; + u32 tmp; + unsigned long flags; + + if (gpio >= chip->ngpio) + BUG(); + + if (gpio < 32) { + reg = GPIO_DATA_LO_REG; + mask = 1 << gpio; + } else { + reg = GPIO_DATA_HI_REG; + mask = 1 << (gpio - 32); + } + + local_irq_save(flags); + tmp = bcm_gpio_readl(reg); + if (val) + tmp |= mask; + else + tmp &= ~mask; + bcm_gpio_writel(tmp, reg); + local_irq_restore(flags); +} + +static int bcm63xx_gpio_get(struct gpio_chip *chip, unsigned gpio) +{ + u32 reg; + u32 mask; + + if (gpio >= chip->ngpio) + BUG(); + + if (gpio < 32) { + reg = GPIO_DATA_LO_REG; + mask = 1 << gpio; + } else { + reg = GPIO_DATA_HI_REG; + mask = 1 << (gpio - 32); + } + + return !!(bcm_gpio_readl(reg) & mask); +} + +static int bcm63xx_gpio_set_direction(struct gpio_chip *chip, + unsigned gpio, int dir) +{ + u32 reg; + u32 mask; + u32 tmp; + unsigned long flags; + + if (gpio >= chip->ngpio) + BUG(); + + if (gpio < 32) { + reg = GPIO_CTL_LO_REG; + mask = 1 << gpio; + } else { + reg = GPIO_CTL_HI_REG; + mask = 1 << (gpio - 32); + } + + local_irq_save(flags); + tmp = bcm_gpio_readl(reg); + if (dir == GPIO_DIR_IN) + tmp &= ~mask; + else + tmp |= mask; + bcm_gpio_writel(tmp, reg); + local_irq_restore(flags); + + return 0; +} + +static int bcm63xx_gpio_direction_input(struct gpio_chip *chip, unsigned gpio) +{ + return bcm63xx_gpio_set_direction(chip, gpio, GPIO_DIR_IN); +} + +static int bcm63xx_gpio_direction_output(struct gpio_chip *chip, + unsigned gpio, int value) +{ + bcm63xx_gpio_set(chip, gpio, value); + return bcm63xx_gpio_set_direction(chip, gpio, GPIO_DIR_OUT); +} + + +static struct gpio_chip bcm63xx_gpio_chip = { + .label = "bcm63xx-gpio", + .direction_input = bcm63xx_gpio_direction_input, + .direction_output = bcm63xx_gpio_direction_output, + .get = bcm63xx_gpio_get, + .set = bcm63xx_gpio_set, + .base = 0, + .ngpio = BCM63XX_GPIO_COUNT, +}; + +static int __init bcm63xx_gpio_init(void) +{ + printk(KERN_INFO "registering %d GPIOs\n", BCM63XX_GPIO_COUNT); + return gpiochip_add(&bcm63xx_gpio_chip); +} +arch_initcall(bcm63xx_gpio_init); --- /dev/null +++ b/arch/mips/bcm63xx/irq.c @@ -0,0 +1,253 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2008 Maxime Bizon <mbizon@xxxxxxxxxx> + * Copyright (C) 2008 Nicolas Schichan <nschichan@xxxxxxxxxx> + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/module.h> +#include <asm/irq_cpu.h> +#include <asm/mipsregs.h> +#include <bcm63xx_cpu.h> +#include <bcm63xx_regs.h> +#include <bcm63xx_io.h> +#include <bcm63xx_irq.h> + +/* + * dispatch internal devices IRQ (uart, enet, watchdog, ...). do not + * prioritize any interrupt relatively to another. the static counter + * will resume the loop where it ended the last time we left this + * function. + */ +static void bcm63xx_irq_dispatch_internal(void) +{ + u32 pending; + static int i; + + pending = bcm_perf_readl(PERF_IRQMASK_REG) & + bcm_perf_readl(PERF_IRQSTAT_REG); + + if (!pending) + return ; + + while (1) { + int to_call = i; + + i = (i + 1) & 0x1f; + if (pending & (1 << to_call)) { + do_IRQ(to_call + IRQ_INTERNAL_BASE); + break; + } + } +} + +asmlinkage void plat_irq_dispatch(void) +{ + u32 cause; + + do { + cause = read_c0_cause() & read_c0_status() & ST0_IM; + + if (!cause) + break; + + if (cause & CAUSEF_IP7) + do_IRQ(7); + if (cause & CAUSEF_IP2) + bcm63xx_irq_dispatch_internal(); + if (cause & CAUSEF_IP3) + do_IRQ(IRQ_EXT_0); + if (cause & CAUSEF_IP4) + do_IRQ(IRQ_EXT_1); + if (cause & CAUSEF_IP5) + do_IRQ(IRQ_EXT_2); + if (cause & CAUSEF_IP6) + do_IRQ(IRQ_EXT_3); + } while (1); +} + +/* + * internal IRQs operations: only mask/unmask on PERF irq mask + * register. + */ +static inline void bcm63xx_internal_irq_mask(unsigned int irq) +{ + u32 mask; + + irq -= IRQ_INTERNAL_BASE; + mask = bcm_perf_readl(PERF_IRQMASK_REG); + mask &= ~(1 << irq); + bcm_perf_writel(mask, PERF_IRQMASK_REG); +} + +static void bcm63xx_internal_irq_unmask(unsigned int irq) +{ + u32 mask; + + irq -= IRQ_INTERNAL_BASE; + mask = bcm_perf_readl(PERF_IRQMASK_REG); + mask |= (1 << irq); + bcm_perf_writel(mask, PERF_IRQMASK_REG); +} + +static unsigned int bcm63xx_internal_irq_startup(unsigned int irq) +{ + bcm63xx_internal_irq_unmask(irq); + return 0; +} + +/* + * external IRQs operations: mask/unmask and clear on PERF external + * irq control register. + */ +static void bcm63xx_external_irq_mask(unsigned int irq) +{ + u32 reg; + + irq -= IRQ_EXT_BASE; + reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG); + reg &= ~EXTIRQ_CFG_MASK(irq); + bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG); +} + +static void bcm63xx_external_irq_unmask(unsigned int irq) +{ + u32 reg; + + irq -= IRQ_EXT_BASE; + reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG); + reg |= EXTIRQ_CFG_MASK(irq); + bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG); +} + +static void bcm63xx_external_irq_clear(unsigned int irq) +{ + u32 reg; + + irq -= IRQ_EXT_BASE; + reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG); + reg |= EXTIRQ_CFG_CLEAR(irq); + bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG); +} + +static unsigned int bcm63xx_external_irq_startup(unsigned int irq) +{ + set_c0_status(0x100 << (irq - IRQ_MIPS_BASE)); + irq_enable_hazard(); + bcm63xx_external_irq_unmask(irq); + return 0; +} + +static void bcm63xx_external_irq_shutdown(unsigned int irq) +{ + bcm63xx_external_irq_mask(irq); + clear_c0_status(0x100 << (irq - IRQ_MIPS_BASE)); + irq_disable_hazard(); +} + +static int bcm63xx_external_irq_set_type(unsigned int irq, + unsigned int flow_type) +{ + u32 reg; + struct irq_desc *desc = irq_desc + irq; + + irq -= IRQ_EXT_BASE; + + flow_type &= IRQ_TYPE_SENSE_MASK; + + if (flow_type == IRQ_TYPE_NONE) + flow_type = IRQ_TYPE_LEVEL_LOW; + + reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG); + switch (flow_type) { + case IRQ_TYPE_EDGE_BOTH: + reg &= ~EXTIRQ_CFG_LEVELSENSE(irq); + reg |= EXTIRQ_CFG_BOTHEDGE(irq); + break; + + case IRQ_TYPE_EDGE_RISING: + reg &= ~EXTIRQ_CFG_LEVELSENSE(irq); + reg |= EXTIRQ_CFG_SENSE(irq); + reg &= ~EXTIRQ_CFG_BOTHEDGE(irq); + break; + + case IRQ_TYPE_EDGE_FALLING: + reg &= ~EXTIRQ_CFG_LEVELSENSE(irq); + reg &= ~EXTIRQ_CFG_SENSE(irq); + reg &= ~EXTIRQ_CFG_BOTHEDGE(irq); + break; + + case IRQ_TYPE_LEVEL_HIGH: + reg |= EXTIRQ_CFG_LEVELSENSE(irq); + reg |= EXTIRQ_CFG_SENSE(irq); + break; + + case IRQ_TYPE_LEVEL_LOW: + reg |= EXTIRQ_CFG_LEVELSENSE(irq); + reg &= ~EXTIRQ_CFG_SENSE(irq); + break; + + default: + printk(KERN_ERR "bogus flow type combination given !\n"); + return -EINVAL; + } + bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG); + + if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) { + desc->status |= IRQ_LEVEL; + desc->handle_irq = handle_level_irq; + } else { + desc->handle_irq = handle_edge_irq; + } + + return 0; +} + +static struct irq_chip bcm63xx_internal_irq_chip = { + .name = "bcm63xx_ipic", + .startup = bcm63xx_internal_irq_startup, + .shutdown = bcm63xx_internal_irq_mask, + + .mask = bcm63xx_internal_irq_mask, + .mask_ack = bcm63xx_internal_irq_mask, + .unmask = bcm63xx_internal_irq_unmask, +}; + +static struct irq_chip bcm63xx_external_irq_chip = { + .name = "bcm63xx_epic", + .startup = bcm63xx_external_irq_startup, + .shutdown = bcm63xx_external_irq_shutdown, + + .ack = bcm63xx_external_irq_clear, + + .mask = bcm63xx_external_irq_mask, + .unmask = bcm63xx_external_irq_unmask, + + .set_type = bcm63xx_external_irq_set_type, +}; + +static struct irqaction cpu_ip2_cascade_action = { + .handler = no_action, + .name = "cascade_ip2", +}; + +void __init arch_init_irq(void) +{ + int i; + + mips_cpu_irq_init(); + for (i = IRQ_INTERNAL_BASE; i < NR_IRQS; ++i) + set_irq_chip_and_handler(i, &bcm63xx_internal_irq_chip, + handle_level_irq); + + for (i = IRQ_EXT_BASE; i < IRQ_EXT_BASE + 4; ++i) + set_irq_chip_and_handler(i, &bcm63xx_external_irq_chip, + handle_edge_irq); + + setup_irq(IRQ_MIPS_BASE + 2, &cpu_ip2_cascade_action); +} --- /dev/null +++ b/arch/mips/bcm63xx/prom.c @@ -0,0 +1,43 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2008 Maxime Bizon <mbizon@xxxxxxxxxx> + */ + +#include <linux/init.h> +#include <linux/bootmem.h> +#include <asm/bootinfo.h> +#include <bcm63xx_cpu.h> +#include <bcm63xx_io.h> +#include <bcm63xx_regs.h> + +void __init prom_init(void) +{ + u32 reg, mask; + + bcm63xx_cpu_init(); + + /* stop any running watchdog */ + bcm_wdt_writel(WDT_STOP_1, WDT_CTL_REG); + bcm_wdt_writel(WDT_STOP_2, WDT_CTL_REG); + + /* disable all hardware blocks clock for now */ + if (BCMCPU_IS_6348()) + mask = CKCTL_6348_ALL_SAFE_EN; + else + /* BCMCPU_IS_6358() */ + mask = CKCTL_6358_ALL_SAFE_EN; + + reg = bcm_perf_readl(PERF_CKCTL_REG); + reg &= ~mask; + bcm_perf_writel(reg, PERF_CKCTL_REG); + + /* assign command line from kernel config */ + strcpy(arcs_cmdline, CONFIG_CMDLINE); +} + +void __init prom_free_prom_memory(void) +{ +} --- /dev/null +++ b/arch/mips/bcm63xx/setup.c @@ -0,0 +1,111 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2008 Maxime Bizon <mbizon@xxxxxxxxxx> + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/delay.h> +#include <linux/bootmem.h> +#include <linux/ioport.h> +#include <linux/pm.h> +#include <asm/bootinfo.h> +#include <asm/time.h> +#include <asm/reboot.h> +#include <asm/cacheflush.h> +#include <bcm63xx_cpu.h> +#include <bcm63xx_regs.h> +#include <bcm63xx_io.h> + +void bcm63xx_machine_halt(void) +{ + printk(KERN_INFO "System halted\n"); + while (1) + ; +} + +static void bcm6348_a1_reboot(void) +{ + u32 reg; + + /* soft reset all blocks */ + printk(KERN_INFO "soft-reseting all blocks ...\n"); + reg = bcm_perf_readl(PERF_SOFTRESET_REG); + reg &= ~SOFTRESET_6348_ALL; + bcm_perf_writel(reg, PERF_SOFTRESET_REG); + mdelay(10); + + reg = bcm_perf_readl(PERF_SOFTRESET_REG); + reg |= SOFTRESET_6348_ALL; + bcm_perf_writel(reg, PERF_SOFTRESET_REG); + mdelay(10); + + /* Jump to the power on address. */ + printk(KERN_INFO "jumping to reset vector.\n"); + /* set high vectors (base at 0xbfc00000 */ + set_c0_status(ST0_BEV | ST0_ERL); + /* run uncached in kseg0 */ + change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED); + __flush_cache_all(); + /* remove all wired TLB entries */ + write_c0_wired(0); + __asm__ __volatile__( + "jr\t%0" + : + : "r" (0xbfc00000)); + while (1) + ; +} + +void bcm63xx_machine_reboot(void) +{ + u32 reg; + + /* mask and clear all external irq */ + reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG); + reg &= ~EXTIRQ_CFG_MASK_ALL; + reg |= EXTIRQ_CFG_CLEAR_ALL; + bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG); + + if (BCMCPU_IS_6348() && (bcm63xx_get_cpu_rev() == 0xa1)) + bcm6348_a1_reboot(); + + printk(KERN_INFO "triggering watchdog soft-reset...\n"); + bcm_perf_writel(SYS_PLL_SOFT_RESET, PERF_SYS_PLL_CTL_REG); + while (1) + ; +} + +static void __bcm63xx_machine_reboot(char *p) +{ + bcm63xx_machine_reboot(); +} + +/* + * return system type in /proc/cpuinfo + */ +const char *get_system_type(void) +{ + static char buf[128]; + sprintf(buf, "bcm963xx (0x%04x/0x%04X)", + bcm63xx_get_cpu_id(), bcm63xx_get_cpu_rev()); + return buf; +} + +void __init plat_time_init(void) +{ + mips_hpt_frequency = bcm63xx_get_cpu_freq() / 2; +} +void __init plat_mem_setup(void) +{ + add_memory_region(0, bcm63xx_get_memory_size(), BOOT_MEM_RAM); + + _machine_halt = bcm63xx_machine_halt; + _machine_restart = __bcm63xx_machine_reboot; + pm_power_off = bcm63xx_machine_halt; + + set_io_port_base(0); +} --- /dev/null +++ b/arch/mips/bcm63xx/timer.c @@ -0,0 +1,205 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2008 Maxime Bizon <mbizon@xxxxxxxxxx> + */ + +#include <linux/kernel.h> +#include <linux/err.h> +#include <linux/module.h> +#include <linux/spinlock.h> +#include <linux/interrupt.h> +#include <linux/clk.h> +#include <bcm63xx_cpu.h> +#include <bcm63xx_io.h> +#include <bcm63xx_timer.h> +#include <bcm63xx_regs.h> + +static DEFINE_SPINLOCK(timer_reg_lock); +static DEFINE_SPINLOCK(timer_data_lock); +static struct clk *periph_clk; + +static struct timer_data { + void (*cb)(void *); + void *data; +} timer_data[BCM63XX_TIMER_COUNT]; + +static irqreturn_t timer_interrupt(int irq, void *dev_id) +{ + u32 stat; + int i; + + spin_lock(&timer_reg_lock); + stat = bcm_timer_readl(TIMER_IRQSTAT_REG); + bcm_timer_writel(stat, TIMER_IRQSTAT_REG); + spin_unlock(&timer_reg_lock); + + for (i = 0; i < BCM63XX_TIMER_COUNT; i++) { + if (!(stat & TIMER_IRQSTAT_TIMER_CAUSE(i))) + continue; + + spin_lock(&timer_data_lock); + if (!timer_data[i].cb) { + spin_unlock(&timer_data_lock); + continue; + } + + timer_data[i].cb(timer_data[i].data); + spin_unlock(&timer_data_lock); + } + + return IRQ_HANDLED; +} + +int bcm63xx_timer_enable(int id) +{ + u32 reg; + unsigned long flags; + + if (id >= BCM63XX_TIMER_COUNT) + return -EINVAL; + + spin_lock_irqsave(&timer_reg_lock, flags); + + reg = bcm_timer_readl(TIMER_CTLx_REG(id)); + reg |= TIMER_CTL_ENABLE_MASK; + bcm_timer_writel(reg, TIMER_CTLx_REG(id)); + + reg = bcm_timer_readl(TIMER_IRQSTAT_REG); + reg |= TIMER_IRQSTAT_TIMER_IR_EN(id); + bcm_timer_writel(reg, TIMER_IRQSTAT_REG); + + spin_unlock_irqrestore(&timer_reg_lock, flags); + return 0; +} + +EXPORT_SYMBOL(bcm63xx_timer_enable); + +int bcm63xx_timer_disable(int id) +{ + u32 reg; + unsigned long flags; + + if (id >= BCM63XX_TIMER_COUNT) + return -EINVAL; + + spin_lock_irqsave(&timer_reg_lock, flags); + + reg = bcm_timer_readl(TIMER_CTLx_REG(id)); + reg &= ~TIMER_CTL_ENABLE_MASK; + bcm_timer_writel(reg, TIMER_CTLx_REG(id)); + + reg = bcm_timer_readl(TIMER_IRQSTAT_REG); + reg &= ~TIMER_IRQSTAT_TIMER_IR_EN(id); + bcm_timer_writel(reg, TIMER_IRQSTAT_REG); + + spin_unlock_irqrestore(&timer_reg_lock, flags); + return 0; +} + +EXPORT_SYMBOL(bcm63xx_timer_disable); + +int bcm63xx_timer_register(int id, void (*callback)(void *data), void *data) +{ + unsigned long flags; + int ret; + + if (id >= BCM63XX_TIMER_COUNT || !callback) + return -EINVAL; + + ret = 0; + spin_lock_irqsave(&timer_data_lock, flags); + if (timer_data[id].cb) { + ret = -EBUSY; + goto out; + } + + timer_data[id].cb = callback; + timer_data[id].data = data; + +out: + spin_unlock_irqrestore(&timer_data_lock, flags); + return ret; +} + +EXPORT_SYMBOL(bcm63xx_timer_register); + +void bcm63xx_timer_unregister(int id) +{ + unsigned long flags; + + if (id >= BCM63XX_TIMER_COUNT) + return; + + spin_lock_irqsave(&timer_data_lock, flags); + timer_data[id].cb = NULL; + spin_unlock_irqrestore(&timer_data_lock, flags); +} + +EXPORT_SYMBOL(bcm63xx_timer_unregister); + +unsigned int bcm63xx_timer_countdown(unsigned int countdown_us) +{ + return (clk_get_rate(periph_clk) / (1000 * 1000)) * countdown_us; +} + +EXPORT_SYMBOL(bcm63xx_timer_countdown); + +int bcm63xx_timer_set(int id, int monotonic, unsigned int countdown_us) +{ + u32 reg, countdown; + unsigned long flags; + + if (id >= BCM63XX_TIMER_COUNT) + return -EINVAL; + + countdown = bcm63xx_timer_countdown(countdown_us); + if (countdown & ~TIMER_CTL_COUNTDOWN_MASK) + return -EINVAL; + + spin_lock_irqsave(&timer_reg_lock, flags); + reg = bcm_timer_readl(TIMER_CTLx_REG(id)); + + if (monotonic) + reg &= ~TIMER_CTL_MONOTONIC_MASK; + else + reg |= TIMER_CTL_MONOTONIC_MASK; + + reg &= ~TIMER_CTL_COUNTDOWN_MASK; + reg |= countdown; + bcm_timer_writel(reg, TIMER_CTLx_REG(id)); + + spin_unlock_irqrestore(&timer_reg_lock, flags); + return 0; +} + +EXPORT_SYMBOL(bcm63xx_timer_set); + +int bcm63xx_timer_init(void) +{ + int ret, irq; + u32 reg; + + reg = bcm_timer_readl(TIMER_IRQSTAT_REG); + reg &= ~TIMER_IRQSTAT_TIMER0_IR_EN; + reg &= ~TIMER_IRQSTAT_TIMER1_IR_EN; + reg &= ~TIMER_IRQSTAT_TIMER2_IR_EN; + bcm_timer_writel(reg, TIMER_IRQSTAT_REG); + + periph_clk = clk_get(NULL, "periph"); + if (IS_ERR(periph_clk)) + return -ENODEV; + + irq = bcm63xx_get_irq_number(IRQ_TIMER); + ret = request_irq(irq, timer_interrupt, 0, "bcm63xx_timer", NULL); + if (ret) { + printk(KERN_ERR "bcm63xx_timer: failed to register irq\n"); + return ret; + } + + return 0; +} + +arch_initcall(bcm63xx_timer_init); --- a/arch/mips/include/asm/fixmap.h +++ b/arch/mips/include/asm/fixmap.h @@ -67,11 +67,15 @@ enum fixed_addresses { * the start of the fixmap, and leave one page empty * at the top of mem.. */ +#ifdef CONFIG_BCM63XX +#define FIXADDR_TOP ((unsigned long)(long)(int)0xff000000) +#else #if defined(CONFIG_CPU_TX39XX) || defined(CONFIG_CPU_TX49XX) #define FIXADDR_TOP ((unsigned long)(long)(int)(0xff000000 - 0x20000)) #else #define FIXADDR_TOP ((unsigned long)(long)(int)0xfffe0000) #endif +#endif #define FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) #define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE) --- /dev/null +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_clk.h @@ -0,0 +1,11 @@ +#ifndef BCM63XX_CLK_H_ +#define BCM63XX_CLK_H_ + +struct clk { + void (*set)(struct clk *, int); + unsigned int rate; + unsigned int usage; + int id; +}; + +#endif /* ! BCM63XX_CLK_H_ */ --- /dev/null +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h @@ -0,0 +1,314 @@ +#ifndef BCM63XX_CPU_H_ +#define BCM63XX_CPU_H_ + +#include <linux/types.h> +#include <linux/init.h> + +/* + * Macro to fetch bcm63xx cpu id and revision, should be optimized at + * compile time if only one CPU support is enabled (idea stolen from + * arm mach-types) + */ +#define BCM6348_CPU_ID 0x6348 +#define BCM6358_CPU_ID 0x6358 + +void __init bcm63xx_cpu_init(void); +u16 __bcm63xx_get_cpu_id(void); +u16 bcm63xx_get_cpu_rev(void); +unsigned int bcm63xx_get_cpu_freq(void); + +#ifdef CONFIG_BCM63XX_CPU_6348 +# 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() BCM6348_CPU_ID +# endif +# define BCMCPU_IS_6348() (bcm63xx_get_cpu_id() == BCM6348_CPU_ID) +#else +# define BCMCPU_IS_6348() (0) +#endif + +#ifdef CONFIG_BCM63XX_CPU_6358 +# 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() BCM6358_CPU_ID +# endif +# define BCMCPU_IS_6358() (bcm63xx_get_cpu_id() == BCM6358_CPU_ID) +#else +# define BCMCPU_IS_6358() (0) +#endif + +#ifndef bcm63xx_get_cpu_id +#error "No CPU support configured" +#endif + +/* + * While registers sets are (mostly) the same across 63xx CPU, base + * address of these sets do change. + */ +enum bcm63xx_regs_set { + RSET_DSL_LMEM = 0, + RSET_PERF, + RSET_TIMER, + RSET_WDT, + RSET_UART0, + RSET_GPIO, + RSET_SPI, + RSET_UDC0, + RSET_OHCI0, + RSET_OHCI_PRIV, + RSET_USBH_PRIV, + RSET_MPI, + RSET_PCMCIA, + RSET_DSL, + RSET_ENET0, + RSET_ENET1, + RSET_ENETDMA, + RSET_EHCI0, + RSET_SDRAM, + RSET_MEMC, + RSET_DDR, +}; + +#define RSET_DSL_LMEM_SIZE (64 * 1024 * 4) +#define RSET_DSL_SIZE 4096 +#define RSET_WDT_SIZE 12 +#define RSET_ENET_SIZE 2048 +#define RSET_ENETDMA_SIZE 2048 +#define RSET_UART_SIZE 24 +#define RSET_UDC_SIZE 256 +#define RSET_OHCI_SIZE 256 +#define RSET_EHCI_SIZE 256 +#define RSET_PCMCIA_SIZE 12 + +/* + * 6348 register sets base address + */ +#define BCM_6348_DSL_LMEM_BASE (0xfff00000) +#define BCM_6348_PERF_BASE (0xfffe0000) +#define BCM_6348_TIMER_BASE (0xfffe0200) +#define BCM_6348_WDT_BASE (0xfffe021c) +#define BCM_6348_UART0_BASE (0xfffe0300) +#define BCM_6348_GPIO_BASE (0xfffe0400) +#define BCM_6348_SPI_BASE (0xfffe0c00) +#define BCM_6348_UDC0_BASE (0xfffe1000) +#define BCM_6348_OHCI0_BASE (0xfffe1b00) +#define BCM_6348_OHCI_PRIV_BASE (0xfffe1c00) +#define BCM_6348_USBH_PRIV_BASE (0xdeadbeef) +#define BCM_6348_MPI_BASE (0xfffe2000) +#define BCM_6348_PCMCIA_BASE (0xfffe2054) +#define BCM_6348_SDRAM_REGS_BASE (0xfffe2300) +#define BCM_6348_DSL_BASE (0xfffe3000) +#define BCM_6348_ENET0_BASE (0xfffe6000) +#define BCM_6348_ENET1_BASE (0xfffe6800) +#define BCM_6348_ENETDMA_BASE (0xfffe7000) +#define BCM_6348_EHCI0_BASE (0xdeadbeef) +#define BCM_6348_SDRAM_BASE (0xfffe2300) +#define BCM_6348_MEMC_BASE (0xdeadbeef) +#define BCM_6348_DDR_BASE (0xdeadbeef) + +/* + * 6358 register sets base address + */ +#define BCM_6358_DSL_LMEM_BASE (0xfff00000) +#define BCM_6358_PERF_BASE (0xfffe0000) +#define BCM_6358_TIMER_BASE (0xfffe0040) +#define BCM_6358_WDT_BASE (0xfffe005c) +#define BCM_6358_UART0_BASE (0xfffe0100) +#define BCM_6358_GPIO_BASE (0xfffe0080) +#define BCM_6358_SPI_BASE (0xdeadbeef) +#define BCM_6358_UDC0_BASE (0xfffe0800) +#define BCM_6358_OHCI0_BASE (0xfffe1400) +#define BCM_6358_OHCI_PRIV_BASE (0xdeadbeef) +#define BCM_6358_USBH_PRIV_BASE (0xfffe1500) +#define BCM_6358_MPI_BASE (0xfffe1000) +#define BCM_6358_PCMCIA_BASE (0xfffe1054) +#define BCM_6358_SDRAM_REGS_BASE (0xfffe2300) +#define BCM_6358_DSL_BASE (0xfffe3000) +#define BCM_6358_ENET0_BASE (0xfffe4000) +#define BCM_6358_ENET1_BASE (0xfffe4800) +#define BCM_6358_ENETDMA_BASE (0xfffe5000) +#define BCM_6358_EHCI0_BASE (0xfffe1300) +#define BCM_6358_SDRAM_BASE (0xdeadbeef) +#define BCM_6358_MEMC_BASE (0xfffe1200) +#define BCM_6358_DDR_BASE (0xfffe12a0) + + +extern const unsigned long *bcm63xx_regs_base; + +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_6348 + switch (set) { + case RSET_DSL_LMEM: + return BCM_6348_DSL_LMEM_BASE; + case RSET_PERF: + return BCM_6348_PERF_BASE; + case RSET_TIMER: + return BCM_6348_TIMER_BASE; + case RSET_WDT: + return BCM_6348_WDT_BASE; + case RSET_UART0: + return BCM_6348_UART0_BASE; + case RSET_GPIO: + return BCM_6348_GPIO_BASE; + case RSET_SPI: + return BCM_6348_SPI_BASE; + case RSET_UDC0: + return BCM_6348_UDC0_BASE; + case RSET_OHCI0: + return BCM_6348_OHCI0_BASE; + case RSET_OHCI_PRIV: + return BCM_6348_OHCI_PRIV_BASE; + case RSET_USBH_PRIV: + return BCM_6348_USBH_PRIV_BASE; + case RSET_MPI: + return BCM_6348_MPI_BASE; + case RSET_PCMCIA: + return BCM_6348_PCMCIA_BASE; + case RSET_DSL: + return BCM_6348_DSL_BASE; + case RSET_ENET0: + return BCM_6348_ENET0_BASE; + case RSET_ENET1: + return BCM_6348_ENET1_BASE; + case RSET_ENETDMA: + return BCM_6348_ENETDMA_BASE; + case RSET_EHCI0: + return BCM_6348_EHCI0_BASE; + case RSET_SDRAM: + return BCM_6348_SDRAM_BASE; + case RSET_MEMC: + return BCM_6348_MEMC_BASE; + case RSET_DDR: + return BCM_6348_DDR_BASE; + } +#endif +#ifdef CONFIG_BCM63XX_CPU_6358 + switch (set) { + case RSET_DSL_LMEM: + return BCM_6358_DSL_LMEM_BASE; + case RSET_PERF: + return BCM_6358_PERF_BASE; + case RSET_TIMER: + return BCM_6358_TIMER_BASE; + case RSET_WDT: + return BCM_6358_WDT_BASE; + case RSET_UART0: + return BCM_6358_UART0_BASE; + case RSET_GPIO: + return BCM_6358_GPIO_BASE; + case RSET_SPI: + return BCM_6358_SPI_BASE; + case RSET_UDC0: + return BCM_6358_UDC0_BASE; + case RSET_OHCI0: + return BCM_6358_OHCI0_BASE; + case RSET_OHCI_PRIV: + return BCM_6358_OHCI_PRIV_BASE; + case RSET_USBH_PRIV: + return BCM_6358_USBH_PRIV_BASE; + case RSET_MPI: + return BCM_6358_MPI_BASE; + case RSET_PCMCIA: + return BCM_6358_PCMCIA_BASE; + case RSET_ENET0: + return BCM_6358_ENET0_BASE; + case RSET_ENET1: + return BCM_6358_ENET1_BASE; + case RSET_ENETDMA: + return BCM_6358_ENETDMA_BASE; + case RSET_DSL: + return BCM_6358_DSL_BASE; + case RSET_EHCI0: + return BCM_6358_EHCI0_BASE; + case RSET_SDRAM: + return BCM_6358_SDRAM_BASE; + case RSET_MEMC: + return BCM_6358_MEMC_BASE; + case RSET_DDR: + return BCM_6358_DDR_BASE; + } +#endif +#endif + /* unreached */ + return 0; +} + +/* + * IRQ number changes across CPU too + */ +enum bcm63xx_irq { + IRQ_TIMER = 0, + IRQ_UART0, + IRQ_DSL, + IRQ_ENET0, + IRQ_ENET1, + IRQ_ENET_PHY, + IRQ_OHCI0, + IRQ_EHCI0, + IRQ_PCMCIA0, + IRQ_ENET0_RXDMA, + IRQ_ENET0_TXDMA, + IRQ_ENET1_RXDMA, + IRQ_ENET1_TXDMA, + IRQ_PCI, + IRQ_PCMCIA, +}; + +/* + * 6348 irqs + */ +#define BCM_6348_TIMER_IRQ (IRQ_INTERNAL_BASE + 0) +#define BCM_6348_UART0_IRQ (IRQ_INTERNAL_BASE + 2) +#define BCM_6348_DSL_IRQ (IRQ_INTERNAL_BASE + 4) +#define BCM_6348_ENET1_IRQ (IRQ_INTERNAL_BASE + 7) +#define BCM_6348_ENET0_IRQ (IRQ_INTERNAL_BASE + 8) +#define BCM_6348_ENET_PHY_IRQ (IRQ_INTERNAL_BASE + 9) +#define BCM_6348_OHCI0_IRQ (IRQ_INTERNAL_BASE + 12) +#define BCM_6348_ENET0_RXDMA_IRQ (IRQ_INTERNAL_BASE + 20) +#define BCM_6348_ENET0_TXDMA_IRQ (IRQ_INTERNAL_BASE + 21) +#define BCM_6348_ENET1_RXDMA_IRQ (IRQ_INTERNAL_BASE + 22) +#define BCM_6348_ENET1_TXDMA_IRQ (IRQ_INTERNAL_BASE + 23) +#define BCM_6348_PCMCIA_IRQ (IRQ_INTERNAL_BASE + 24) +#define BCM_6348_PCI_IRQ (IRQ_INTERNAL_BASE + 24) + +/* + * 6358 irqs + */ +#define BCM_6358_TIMER_IRQ (IRQ_INTERNAL_BASE + 0) +#define BCM_6358_UART0_IRQ (IRQ_INTERNAL_BASE + 2) +#define BCM_6358_OHCI0_IRQ (IRQ_INTERNAL_BASE + 5) +#define BCM_6358_ENET1_IRQ (IRQ_INTERNAL_BASE + 6) +#define BCM_6358_ENET0_IRQ (IRQ_INTERNAL_BASE + 8) +#define BCM_6358_ENET_PHY_IRQ (IRQ_INTERNAL_BASE + 9) +#define BCM_6358_EHCI0_IRQ (IRQ_INTERNAL_BASE + 10) +#define BCM_6358_ENET0_RXDMA_IRQ (IRQ_INTERNAL_BASE + 15) +#define BCM_6358_ENET0_TXDMA_IRQ (IRQ_INTERNAL_BASE + 16) +#define BCM_6358_ENET1_RXDMA_IRQ (IRQ_INTERNAL_BASE + 17) +#define BCM_6358_ENET1_TXDMA_IRQ (IRQ_INTERNAL_BASE + 18) +#define BCM_6358_DSL_IRQ (IRQ_INTERNAL_BASE + 29) +#define BCM_6358_PCI_IRQ (IRQ_INTERNAL_BASE + 31) +#define BCM_6358_PCMCIA_IRQ (IRQ_INTERNAL_BASE + 24) + +extern const int *bcm63xx_irqs; + +static inline int bcm63xx_get_irq_number(enum bcm63xx_irq irq) +{ + return bcm63xx_irqs[irq]; +} + +/* + * return installed memory size + */ +unsigned int bcm63xx_get_memory_size(void); + +#endif /* !BCM63XX_CPU_H_ */ --- /dev/null +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cs.h @@ -0,0 +1,10 @@ +#ifndef BCM63XX_CS_H +#define BCM63XX_CS_H + +int bcm63xx_set_cs_base(unsigned int cs, u32 base, unsigned int size); +int bcm63xx_set_cs_timing(unsigned int cs, unsigned int wait, + unsigned int setup, unsigned int hold); +int bcm63xx_set_cs_param(unsigned int cs, u32 flags); +int bcm63xx_set_cs_status(unsigned int cs, int enable); + +#endif /* !BCM63XX_CS_H */ --- /dev/null +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h @@ -0,0 +1,10 @@ +#ifndef BCM63XX_GPIO_H +#define BCM63XX_GPIO_H + +/* all helpers will BUG() if gpio count is >= 37. */ +#define BCM63XX_GPIO_COUNT 37 + +#define GPIO_DIR_OUT 0x0 +#define GPIO_DIR_IN 0x1 + +#endif /* !BCM63XX_GPIO_H */ --- /dev/null +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h @@ -0,0 +1,93 @@ +#ifndef BCM63XX_IO_H_ +#define BCM63XX_IO_H_ + +#include "bcm63xx_cpu.h" + +/* + * Physical memory map, RAM is mapped at 0x0. + * + * Note that size MUST be a power of two. + */ +#define BCM_PCMCIA_COMMON_BASE_PA (0x20000000) +#define BCM_PCMCIA_COMMON_SIZE (16 * 1024 * 1024) +#define BCM_PCMCIA_COMMON_END_PA (BCM_PCMCIA_COMMON_BASE_PA + \ + BCM_PCMCIA_COMMON_SIZE - 1) + +#define BCM_PCMCIA_ATTR_BASE_PA (0x21000000) +#define BCM_PCMCIA_ATTR_SIZE (16 * 1024 * 1024) +#define BCM_PCMCIA_ATTR_END_PA (BCM_PCMCIA_ATTR_BASE_PA + \ + BCM_PCMCIA_ATTR_SIZE - 1) + +#define BCM_PCMCIA_IO_BASE_PA (0x22000000) +#define BCM_PCMCIA_IO_SIZE (64 * 1024) +#define BCM_PCMCIA_IO_END_PA (BCM_PCMCIA_IO_BASE_PA + \ + BCM_PCMCIA_IO_SIZE - 1) + +#define BCM_PCI_MEM_BASE_PA (0x30000000) +#define BCM_PCI_MEM_SIZE (128 * 1024 * 1024) +#define BCM_PCI_MEM_END_PA (BCM_PCI_MEM_BASE_PA + \ + BCM_PCI_MEM_SIZE - 1) + +#define BCM_PCI_IO_BASE_PA (0x08000000) +#define BCM_PCI_IO_SIZE (64 * 1024) +#define BCM_PCI_IO_END_PA (BCM_PCI_IO_BASE_PA + \ + BCM_PCI_IO_SIZE - 1) +#define BCM_PCI_IO_HALF_PA (BCM_PCI_IO_BASE_PA + \ + (BCM_PCI_IO_SIZE / 2) - 1) + +#define BCM_CB_MEM_BASE_PA (0x38000000) +#define BCM_CB_MEM_SIZE (128 * 1024 * 1024) +#define BCM_CB_MEM_END_PA (BCM_CB_MEM_BASE_PA + \ + BCM_CB_MEM_SIZE - 1) + + +/* + * Internal registers are accessed through KSEG3 + */ +#define BCM_REGS_VA(x) ((void __iomem *)(x)) + +#define bcm_readb(a) (*(volatile unsigned char *) BCM_REGS_VA(a)) +#define bcm_readw(a) (*(volatile unsigned short *) BCM_REGS_VA(a)) +#define bcm_readl(a) (*(volatile unsigned int *) BCM_REGS_VA(a)) +#define bcm_writeb(v, a) (*(volatile unsigned char *) BCM_REGS_VA((a)) = (v)) +#define bcm_writew(v, a) (*(volatile unsigned short *) BCM_REGS_VA((a)) = (v)) +#define bcm_writel(v, a) (*(volatile unsigned int *) BCM_REGS_VA((a)) = (v)) + +/* + * IO helpers to access register set for current CPU + */ +#define bcm_rset_readb(s, o) bcm_readb(bcm63xx_regset_address(s) + (o)) +#define bcm_rset_readw(s, o) bcm_readw(bcm63xx_regset_address(s) + (o)) +#define bcm_rset_readl(s, o) bcm_readl(bcm63xx_regset_address(s) + (o)) +#define bcm_rset_writeb(s, v, o) bcm_writeb((v), \ + bcm63xx_regset_address(s) + (o)) +#define bcm_rset_writew(s, v, o) bcm_writew((v), \ + bcm63xx_regset_address(s) + (o)) +#define bcm_rset_writel(s, v, o) bcm_writel((v), \ + bcm63xx_regset_address(s) + (o)) + +/* + * helpers for frequently used register sets + */ +#define bcm_perf_readl(o) bcm_rset_readl(RSET_PERF, (o)) +#define bcm_perf_writel(v, o) bcm_rset_writel(RSET_PERF, (v), (o)) +#define bcm_timer_readl(o) bcm_rset_readl(RSET_TIMER, (o)) +#define bcm_timer_writel(v, o) bcm_rset_writel(RSET_TIMER, (v), (o)) +#define bcm_wdt_readl(o) bcm_rset_readl(RSET_WDT, (o)) +#define bcm_wdt_writel(v, o) bcm_rset_writel(RSET_WDT, (v), (o)) +#define bcm_gpio_readl(o) bcm_rset_readl(RSET_GPIO, (o)) +#define bcm_gpio_writel(v, o) bcm_rset_writel(RSET_GPIO, (v), (o)) +#define bcm_uart0_readl(o) bcm_rset_readl(RSET_UART0, (o)) +#define bcm_uart0_writel(v, o) bcm_rset_writel(RSET_UART0, (v), (o)) +#define bcm_mpi_readl(o) bcm_rset_readl(RSET_MPI, (o)) +#define bcm_mpi_writel(v, o) bcm_rset_writel(RSET_MPI, (v), (o)) +#define bcm_pcmcia_readl(o) bcm_rset_readl(RSET_PCMCIA, (o)) +#define bcm_pcmcia_writel(v, o) bcm_rset_writel(RSET_PCMCIA, (v), (o)) +#define bcm_sdram_readl(o) bcm_rset_readl(RSET_SDRAM, (o)) +#define bcm_sdram_writel(v, o) bcm_rset_writel(RSET_SDRAM, (v), (o)) +#define bcm_memc_readl(o) bcm_rset_readl(RSET_MEMC, (o)) +#define bcm_memc_writel(v, o) bcm_rset_writel(RSET_MEMC, (v), (o)) +#define bcm_ddr_readl(o) bcm_rset_readl(RSET_DDR, (o)) +#define bcm_ddr_writel(v, o) bcm_rset_writel(RSET_DDR, (v), (o)) + +#endif /* ! BCM63XX_IO_H_ */ --- /dev/null +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_irq.h @@ -0,0 +1,15 @@ +#ifndef BCM63XX_IRQ_H_ +#define BCM63XX_IRQ_H_ + +#include <bcm63xx_cpu.h> + +#define IRQ_MIPS_BASE 0 +#define IRQ_INTERNAL_BASE 8 + +#define IRQ_EXT_BASE (IRQ_MIPS_BASE + 3) +#define IRQ_EXT_0 (IRQ_EXT_BASE + 0) +#define IRQ_EXT_1 (IRQ_EXT_BASE + 1) +#define IRQ_EXT_2 (IRQ_EXT_BASE + 2) +#define IRQ_EXT_3 (IRQ_EXT_BASE + 3) + +#endif /* ! BCM63XX_IRQ_H_ */ --- /dev/null +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h @@ -0,0 +1,728 @@ +#ifndef BCM63XX_REGS_H_ +#define BCM63XX_REGS_H_ + +/************************************************************************* + * _REG relative to RSET_PERF + *************************************************************************/ + +/* Chip Identifier / Revision register */ +#define PERF_REV_REG 0x0 +#define REV_CHIPID_SHIFT 16 +#define REV_CHIPID_MASK (0xffff << REV_CHIPID_SHIFT) +#define REV_REVID_SHIFT 0 +#define REV_REVID_MASK (0xffff << REV_REVID_SHIFT) + +/* Clock Control register */ +#define PERF_CKCTL_REG 0x4 + +#define CKCTL_6348_ADSLPHY_EN (1 << 0) +#define CKCTL_6348_MPI_EN (1 << 1) +#define CKCTL_6348_SDRAM_EN (1 << 2) +#define CKCTL_6348_M2M_EN (1 << 3) +#define CKCTL_6348_ENET_EN (1 << 4) +#define CKCTL_6348_SAR_EN (1 << 5) +#define CKCTL_6348_USBS_EN (1 << 6) +#define CKCTL_6348_USBH_EN (1 << 8) +#define CKCTL_6348_SPI_EN (1 << 9) + +#define CKCTL_6348_ALL_SAFE_EN (CKCTL_6348_ADSLPHY_EN | \ + CKCTL_6348_M2M_EN | \ + CKCTL_6348_ENET_EN | \ + CKCTL_6348_SAR_EN | \ + CKCTL_6348_USBS_EN | \ + CKCTL_6348_USBH_EN | \ + CKCTL_6348_SPI_EN) + +#define CKCTL_6358_ENET_EN (1 << 4) +#define CKCTL_6358_ADSLPHY_EN (1 << 5) +#define CKCTL_6358_PCM_EN (1 << 8) +#define CKCTL_6358_SPI_EN (1 << 9) +#define CKCTL_6358_USBS_EN (1 << 10) +#define CKCTL_6358_SAR_EN (1 << 11) +#define CKCTL_6358_EMUSB_EN (1 << 17) +#define CKCTL_6358_ENET0_EN (1 << 18) +#define CKCTL_6358_ENET1_EN (1 << 19) +#define CKCTL_6358_USBSU_EN (1 << 20) +#define CKCTL_6358_EPHY_EN (1 << 21) + +#define CKCTL_6358_ALL_SAFE_EN (CKCTL_6358_ENET_EN | \ + CKCTL_6358_ADSLPHY_EN | \ + CKCTL_6358_PCM_EN | \ + CKCTL_6358_SPI_EN | \ + CKCTL_6358_USBS_EN | \ + CKCTL_6358_SAR_EN | \ + CKCTL_6358_EMUSB_EN | \ + CKCTL_6358_ENET0_EN | \ + CKCTL_6358_ENET1_EN | \ + CKCTL_6358_USBSU_EN | \ + CKCTL_6358_EPHY_EN) + +/* System PLL Control register */ +#define PERF_SYS_PLL_CTL_REG 0x8 +#define SYS_PLL_SOFT_RESET 0x1 + +/* Interrupt Mask register */ +#define PERF_IRQMASK_REG 0xc +#define PERF_IRQSTAT_REG 0x10 + +/* Interrupt Status register */ +#define PERF_IRQSTAT_REG 0x10 + +/* External Interrupt Configuration register */ +#define PERF_EXTIRQ_CFG_REG 0x14 +#define EXTIRQ_CFG_SENSE(x) (1 << (x)) +#define EXTIRQ_CFG_STAT(x) (1 << (x + 5)) +#define EXTIRQ_CFG_CLEAR(x) (1 << (x + 10)) +#define EXTIRQ_CFG_MASK(x) (1 << (x + 15)) +#define EXTIRQ_CFG_BOTHEDGE(x) (1 << (x + 20)) +#define EXTIRQ_CFG_LEVELSENSE(x) (1 << (x + 25)) + +#define EXTIRQ_CFG_CLEAR_ALL (0xf << 10) +#define EXTIRQ_CFG_MASK_ALL (0xf << 15) + +/* Soft Reset register */ +#define PERF_SOFTRESET_REG 0x28 + +#define SOFTRESET_6348_SPI_MASK (1 << 0) +#define SOFTRESET_6348_ENET_MASK (1 << 2) +#define SOFTRESET_6348_USBH_MASK (1 << 3) +#define SOFTRESET_6348_USBS_MASK (1 << 4) +#define SOFTRESET_6348_ADSL_MASK (1 << 5) +#define SOFTRESET_6348_DMAMEM_MASK (1 << 6) +#define SOFTRESET_6348_SAR_MASK (1 << 7) +#define SOFTRESET_6348_ACLC_MASK (1 << 8) +#define SOFTRESET_6348_ADSLMIPSPLL_MASK (1 << 10) + +#define SOFTRESET_6348_ALL (SOFTRESET_6348_SPI_MASK | \ + SOFTRESET_6348_ENET_MASK | \ + SOFTRESET_6348_USBH_MASK | \ + SOFTRESET_6348_USBS_MASK | \ + SOFTRESET_6348_ADSL_MASK | \ + SOFTRESET_6348_DMAMEM_MASK | \ + SOFTRESET_6348_SAR_MASK | \ + SOFTRESET_6348_ACLC_MASK | \ + SOFTRESET_6348_ADSLMIPSPLL_MASK) + +/* MIPS PLL control register */ +#define PERF_MIPSPLLCTL_REG 0x34 +#define MIPSPLLCTL_N1_SHIFT 20 +#define MIPSPLLCTL_N1_MASK (0x7 << MIPSPLLCTL_N1_SHIFT) +#define MIPSPLLCTL_N2_SHIFT 15 +#define MIPSPLLCTL_N2_MASK (0x1f << MIPSPLLCTL_N2_SHIFT) +#define MIPSPLLCTL_M1REF_SHIFT 12 +#define MIPSPLLCTL_M1REF_MASK (0x7 << MIPSPLLCTL_M1REF_SHIFT) +#define MIPSPLLCTL_M2REF_SHIFT 9 +#define MIPSPLLCTL_M2REF_MASK (0x7 << MIPSPLLCTL_M2REF_SHIFT) +#define MIPSPLLCTL_M1CPU_SHIFT 6 +#define MIPSPLLCTL_M1CPU_MASK (0x7 << MIPSPLLCTL_M1CPU_SHIFT) +#define MIPSPLLCTL_M1BUS_SHIFT 3 +#define MIPSPLLCTL_M1BUS_MASK (0x7 << MIPSPLLCTL_M1BUS_SHIFT) +#define MIPSPLLCTL_M2BUS_SHIFT 0 +#define MIPSPLLCTL_M2BUS_MASK (0x7 << MIPSPLLCTL_M2BUS_SHIFT) + +/* ADSL PHY PLL Control register */ +#define PERF_ADSLPLLCTL_REG 0x38 +#define ADSLPLLCTL_N1_SHIFT 20 +#define ADSLPLLCTL_N1_MASK (0x7 << ADSLPLLCTL_N1_SHIFT) +#define ADSLPLLCTL_N2_SHIFT 15 +#define ADSLPLLCTL_N2_MASK (0x1f << ADSLPLLCTL_N2_SHIFT) +#define ADSLPLLCTL_M1REF_SHIFT 12 +#define ADSLPLLCTL_M1REF_MASK (0x7 << ADSLPLLCTL_M1REF_SHIFT) +#define ADSLPLLCTL_M2REF_SHIFT 9 +#define ADSLPLLCTL_M2REF_MASK (0x7 << ADSLPLLCTL_M2REF_SHIFT) +#define ADSLPLLCTL_M1CPU_SHIFT 6 +#define ADSLPLLCTL_M1CPU_MASK (0x7 << ADSLPLLCTL_M1CPU_SHIFT) +#define ADSLPLLCTL_M1BUS_SHIFT 3 +#define ADSLPLLCTL_M1BUS_MASK (0x7 << ADSLPLLCTL_M1BUS_SHIFT) +#define ADSLPLLCTL_M2BUS_SHIFT 0 +#define ADSLPLLCTL_M2BUS_MASK (0x7 << ADSLPLLCTL_M2BUS_SHIFT) + +#define ADSLPLLCTL_VAL(n1, n2, m1ref, m2ref, m1cpu, m1bus, m2bus) \ + (((n1) << ADSLPLLCTL_N1_SHIFT) | \ + ((n2) << ADSLPLLCTL_N2_SHIFT) | \ + ((m1ref) << ADSLPLLCTL_M1REF_SHIFT) | \ + ((m2ref) << ADSLPLLCTL_M2REF_SHIFT) | \ + ((m1cpu) << ADSLPLLCTL_M1CPU_SHIFT) | \ + ((m1bus) << ADSLPLLCTL_M1BUS_SHIFT) | \ + ((m2bus) << ADSLPLLCTL_M2BUS_SHIFT)) + + +/************************************************************************* + * _REG relative to RSET_TIMER + *************************************************************************/ + +#define BCM63XX_TIMER_COUNT 4 +#define TIMER_T0_ID 0 +#define TIMER_T1_ID 1 +#define TIMER_T2_ID 2 +#define TIMER_WDT_ID 3 + +/* Timer irqstat register */ +#define TIMER_IRQSTAT_REG 0 +#define TIMER_IRQSTAT_TIMER_CAUSE(x) (1 << (x)) +#define TIMER_IRQSTAT_TIMER0_CAUSE (1 << 0) +#define TIMER_IRQSTAT_TIMER1_CAUSE (1 << 1) +#define TIMER_IRQSTAT_TIMER2_CAUSE (1 << 2) +#define TIMER_IRQSTAT_WDT_CAUSE (1 << 3) +#define TIMER_IRQSTAT_TIMER_IR_EN(x) (1 << ((x) + 8)) +#define TIMER_IRQSTAT_TIMER0_IR_EN (1 << 8) +#define TIMER_IRQSTAT_TIMER1_IR_EN (1 << 9) +#define TIMER_IRQSTAT_TIMER2_IR_EN (1 << 10) + +/* Timer control register */ +#define TIMER_CTLx_REG(x) (0x4 + (x * 4)) +#define TIMER_CTL0_REG 0x4 +#define TIMER_CTL1_REG 0x8 +#define TIMER_CTL2_REG 0xC +#define TIMER_CTL_COUNTDOWN_MASK (0x3fffffff) +#define TIMER_CTL_MONOTONIC_MASK (1 << 30) +#define TIMER_CTL_ENABLE_MASK (1 << 31) + + +/************************************************************************* + * _REG relative to RSET_WDT + *************************************************************************/ + +/* Watchdog default count register */ +#define WDT_DEFVAL_REG 0x0 + +/* Watchdog control register */ +#define WDT_CTL_REG 0x4 + +/* Watchdog control register constants */ +#define WDT_START_1 (0xff00) +#define WDT_START_2 (0x00ff) +#define WDT_STOP_1 (0xee00) +#define WDT_STOP_2 (0x00ee) + +/* Watchdog reset length register */ +#define WDT_RSTLEN_REG 0x8 + + +/************************************************************************* + * _REG relative to RSET_UARTx + *************************************************************************/ + +/* UART Control Register */ +#define UART_CTL_REG 0x0 +#define UART_CTL_RXTMOUTCNT_SHIFT 0 +#define UART_CTL_RXTMOUTCNT_MASK (0x1f << UART_CTL_RXTMOUTCNT_SHIFT) +#define UART_CTL_RSTTXDN_SHIFT 5 +#define UART_CTL_RSTTXDN_MASK (1 << UART_CTL_RSTTXDN_SHIFT) +#define UART_CTL_RSTRXFIFO_SHIFT 6 +#define UART_CTL_RSTRXFIFO_MASK (1 << UART_CTL_RSTRXFIFO_SHIFT) +#define UART_CTL_RSTTXFIFO_SHIFT 7 +#define UART_CTL_RSTTXFIFO_MASK (1 << UART_CTL_RSTTXFIFO_SHIFT) +#define UART_CTL_STOPBITS_SHIFT 8 +#define UART_CTL_STOPBITS_MASK (0xf << UART_CTL_STOPBITS_SHIFT) +#define UART_CTL_STOPBITS_1 (0x7 << UART_CTL_STOPBITS_SHIFT) +#define UART_CTL_STOPBITS_2 (0xf << UART_CTL_STOPBITS_SHIFT) +#define UART_CTL_BITSPERSYM_SHIFT 12 +#define UART_CTL_BITSPERSYM_MASK (0x3 << UART_CTL_BITSPERSYM_SHIFT) +#define UART_CTL_XMITBRK_SHIFT 14 +#define UART_CTL_XMITBRK_MASK (1 << UART_CTL_XMITBRK_SHIFT) +#define UART_CTL_RSVD_SHIFT 15 +#define UART_CTL_RSVD_MASK (1 << UART_CTL_RSVD_SHIFT) +#define UART_CTL_RXPAREVEN_SHIFT 16 +#define UART_CTL_RXPAREVEN_MASK (1 << UART_CTL_RXPAREVEN_SHIFT) +#define UART_CTL_RXPAREN_SHIFT 17 +#define UART_CTL_RXPAREN_MASK (1 << UART_CTL_RXPAREN_SHIFT) +#define UART_CTL_TXPAREVEN_SHIFT 18 +#define UART_CTL_TXPAREVEN_MASK (1 << UART_CTL_TXPAREVEN_SHIFT) +#define UART_CTL_TXPAREN_SHIFT 18 +#define UART_CTL_TXPAREN_MASK (1 << UART_CTL_TXPAREN_SHIFT) +#define UART_CTL_LOOPBACK_SHIFT 20 +#define UART_CTL_LOOPBACK_MASK (1 << UART_CTL_LOOPBACK_SHIFT) +#define UART_CTL_RXEN_SHIFT 21 +#define UART_CTL_RXEN_MASK (1 << UART_CTL_RXEN_SHIFT) +#define UART_CTL_TXEN_SHIFT 22 +#define UART_CTL_TXEN_MASK (1 << UART_CTL_TXEN_SHIFT) +#define UART_CTL_BRGEN_SHIFT 23 +#define UART_CTL_BRGEN_MASK (1 << UART_CTL_BRGEN_SHIFT) + +/* UART Baudword register */ +#define UART_BAUD_REG 0x4 + +/* UART Misc Control register */ +#define UART_MCTL_REG 0x8 +#define UART_MCTL_DTR_SHIFT 0 +#define UART_MCTL_DTR_MASK (1 << UART_MCTL_DTR_SHIFT) +#define UART_MCTL_RTS_SHIFT 1 +#define UART_MCTL_RTS_MASK (1 << UART_MCTL_RTS_SHIFT) +#define UART_MCTL_RXFIFOTHRESH_SHIFT 8 +#define UART_MCTL_RXFIFOTHRESH_MASK (0xf << UART_MCTL_RXFIFOTHRESH_SHIFT) +#define UART_MCTL_TXFIFOTHRESH_SHIFT 12 +#define UART_MCTL_TXFIFOTHRESH_MASK (0xf << UART_MCTL_TXFIFOTHRESH_SHIFT) +#define UART_MCTL_RXFIFOFILL_SHIFT 16 +#define UART_MCTL_RXFIFOFILL_MASK (0x1f << UART_MCTL_RXFIFOFILL_SHIFT) +#define UART_MCTL_TXFIFOFILL_SHIFT 24 +#define UART_MCTL_TXFIFOFILL_MASK (0x1f << UART_MCTL_TXFIFOFILL_SHIFT) + +/* UART External Input Configuration register */ +#define UART_EXTINP_REG 0xc +#define UART_EXTINP_RI_SHIFT 0 +#define UART_EXTINP_RI_MASK (1 << UART_EXTINP_RI_SHIFT) +#define UART_EXTINP_CTS_SHIFT 1 +#define UART_EXTINP_CTS_MASK (1 << UART_EXTINP_CTS_SHIFT) +#define UART_EXTINP_DCD_SHIFT 2 +#define UART_EXTINP_DCD_MASK (1 << UART_EXTINP_DCD_SHIFT) +#define UART_EXTINP_DSR_SHIFT 3 +#define UART_EXTINP_DSR_MASK (1 << UART_EXTINP_DSR_SHIFT) +#define UART_EXTINP_IRSTAT(x) (1 << (x + 4)) +#define UART_EXTINP_IRMASK(x) (1 << (x + 8)) +#define UART_EXTINP_IR_RI 0 +#define UART_EXTINP_IR_CTS 1 +#define UART_EXTINP_IR_DCD 2 +#define UART_EXTINP_IR_DSR 3 +#define UART_EXTINP_RI_NOSENSE_SHIFT 16 +#define UART_EXTINP_RI_NOSENSE_MASK (1 << UART_EXTINP_RI_NOSENSE_SHIFT) +#define UART_EXTINP_CTS_NOSENSE_SHIFT 17 +#define UART_EXTINP_CTS_NOSENSE_MASK (1 << UART_EXTINP_CTS_NOSENSE_SHIFT) +#define UART_EXTINP_DCD_NOSENSE_SHIFT 18 +#define UART_EXTINP_DCD_NOSENSE_MASK (1 << UART_EXTINP_DCD_NOSENSE_SHIFT) +#define UART_EXTINP_DSR_NOSENSE_SHIFT 19 +#define UART_EXTINP_DSR_NOSENSE_MASK (1 << UART_EXTINP_DSR_NOSENSE_SHIFT) + +/* UART Interrupt register */ +#define UART_IR_REG 0x10 +#define UART_IR_MASK(x) (1 << (x + 16)) +#define UART_IR_STAT(x) (1 << (x)) +#define UART_IR_EXTIP 0 +#define UART_IR_TXUNDER 1 +#define UART_IR_TXOVER 2 +#define UART_IR_TXTRESH 3 +#define UART_IR_TXRDLATCH 4 +#define UART_IR_TXEMPTY 5 +#define UART_IR_RXUNDER 6 +#define UART_IR_RXOVER 7 +#define UART_IR_RXTIMEOUT 8 +#define UART_IR_RXFULL 9 +#define UART_IR_RXTHRESH 10 +#define UART_IR_RXNOTEMPTY 11 +#define UART_IR_RXFRAMEERR 12 +#define UART_IR_RXPARERR 13 +#define UART_IR_RXBRK 14 +#define UART_IR_TXDONE 15 + +/* UART Fifo register */ +#define UART_FIFO_REG 0x14 +#define UART_FIFO_VALID_SHIFT 0 +#define UART_FIFO_VALID_MASK 0xff +#define UART_FIFO_FRAMEERR_SHIFT 8 +#define UART_FIFO_FRAMEERR_MASK (1 << UART_FIFO_FRAMEERR_SHIFT) +#define UART_FIFO_PARERR_SHIFT 9 +#define UART_FIFO_PARERR_MASK (1 << UART_FIFO_PARERR_SHIFT) +#define UART_FIFO_BRKDET_SHIFT 10 +#define UART_FIFO_BRKDET_MASK (1 << UART_FIFO_BRKDET_SHIFT) +#define UART_FIFO_ANYERR_MASK (UART_FIFO_FRAMEERR_MASK | \ + UART_FIFO_PARERR_MASK | \ + UART_FIFO_BRKDET_MASK) + + +/************************************************************************* + * _REG relative to RSET_GPIO + *************************************************************************/ + +/* GPIO registers */ +#define GPIO_CTL_HI_REG 0x0 +#define GPIO_CTL_LO_REG 0x4 +#define GPIO_DATA_HI_REG 0x8 +#define GPIO_DATA_LO_REG 0xC + +/* GPIO mux registers and constants */ +#define GPIO_MODE_REG 0x18 + +#define GPIO_MODE_6348_G4_DIAG 0x00090000 +#define GPIO_MODE_6348_G4_UTOPIA 0x00080000 +#define GPIO_MODE_6348_G4_LEGACY_LED 0x00030000 +#define GPIO_MODE_6348_G4_MII_SNOOP 0x00020000 +#define GPIO_MODE_6348_G4_EXT_EPHY 0x00010000 +#define GPIO_MODE_6348_G3_DIAG 0x00009000 +#define GPIO_MODE_6348_G3_UTOPIA 0x00008000 +#define GPIO_MODE_6348_G3_EXT_MII 0x00007000 +#define GPIO_MODE_6348_G2_DIAG 0x00000900 +#define GPIO_MODE_6348_G2_PCI 0x00000500 +#define GPIO_MODE_6348_G1_DIAG 0x00000090 +#define GPIO_MODE_6348_G1_UTOPIA 0x00000080 +#define GPIO_MODE_6348_G1_SPI_UART 0x00000060 +#define GPIO_MODE_6348_G1_SPI_MASTER 0x00000060 +#define GPIO_MODE_6348_G1_MII_PCCARD 0x00000040 +#define GPIO_MODE_6348_G1_MII_SNOOP 0x00000020 +#define GPIO_MODE_6348_G1_EXT_EPHY 0x00000010 +#define GPIO_MODE_6348_G0_DIAG 0x00000009 +#define GPIO_MODE_6348_G0_EXT_MII 0x00000007 + +#define GPIO_MODE_6358_EXTRACS (1 << 5) +#define GPIO_MODE_6358_UART1 (1 << 6) +#define GPIO_MODE_6358_EXTRA_SPI_SS (1 << 7) +#define GPIO_MODE_6358_SERIAL_LED (1 << 10) +#define GPIO_MODE_6358_UTOPIA (1 << 12) + + +/************************************************************************* + * _REG relative to RSET_ENET + *************************************************************************/ + +/* Receiver Configuration register */ +#define ENET_RXCFG_REG 0x0 +#define ENET_RXCFG_ALLMCAST_SHIFT 1 +#define ENET_RXCFG_ALLMCAST_MASK (1 << ENET_RXCFG_ALLMCAST_SHIFT) +#define ENET_RXCFG_PROMISC_SHIFT 3 +#define ENET_RXCFG_PROMISC_MASK (1 << ENET_RXCFG_PROMISC_SHIFT) +#define ENET_RXCFG_LOOPBACK_SHIFT 4 +#define ENET_RXCFG_LOOPBACK_MASK (1 << ENET_RXCFG_LOOPBACK_SHIFT) +#define ENET_RXCFG_ENFLOW_SHIFT 5 +#define ENET_RXCFG_ENFLOW_MASK (1 << ENET_RXCFG_ENFLOW_SHIFT) + +/* Receive Maximum Length register */ +#define ENET_RXMAXLEN_REG 0x4 +#define ENET_RXMAXLEN_SHIFT 0 +#define ENET_RXMAXLEN_MASK (0x7ff << ENET_RXMAXLEN_SHIFT) + +/* Transmit Maximum Length register */ +#define ENET_TXMAXLEN_REG 0x8 +#define ENET_TXMAXLEN_SHIFT 0 +#define ENET_TXMAXLEN_MASK (0x7ff << ENET_TXMAXLEN_SHIFT) + +/* MII Status/Control register */ +#define ENET_MIISC_REG 0x10 +#define ENET_MIISC_MDCFREQDIV_SHIFT 0 +#define ENET_MIISC_MDCFREQDIV_MASK (0x7f << ENET_MIISC_MDCFREQDIV_SHIFT) +#define ENET_MIISC_PREAMBLEEN_SHIFT 7 +#define ENET_MIISC_PREAMBLEEN_MASK (1 << ENET_MIISC_PREAMBLEEN_SHIFT) + +/* MII Data register */ +#define ENET_MIIDATA_REG 0x14 +#define ENET_MIIDATA_DATA_SHIFT 0 +#define ENET_MIIDATA_DATA_MASK (0xffff << ENET_MIIDATA_DATA_SHIFT) +#define ENET_MIIDATA_TA_SHIFT 16 +#define ENET_MIIDATA_TA_MASK (0x3 << ENET_MIIDATA_TA_SHIFT) +#define ENET_MIIDATA_REG_SHIFT 18 +#define ENET_MIIDATA_REG_MASK (0x1f << ENET_MIIDATA_REG_SHIFT) +#define ENET_MIIDATA_PHYID_SHIFT 23 +#define ENET_MIIDATA_PHYID_MASK (0x1f << ENET_MIIDATA_PHYID_SHIFT) +#define ENET_MIIDATA_OP_READ_MASK (0x6 << 28) +#define ENET_MIIDATA_OP_WRITE_MASK (0x5 << 28) + +/* Ethernet Interrupt Mask register */ +#define ENET_IRMASK_REG 0x18 + +/* Ethernet Interrupt register */ +#define ENET_IR_REG 0x1c +#define ENET_IR_MII (1 << 0) +#define ENET_IR_MIB (1 << 1) +#define ENET_IR_FLOWC (1 << 2) + +/* Ethernet Control register */ +#define ENET_CTL_REG 0x2c +#define ENET_CTL_ENABLE_SHIFT 0 +#define ENET_CTL_ENABLE_MASK (1 << ENET_CTL_ENABLE_SHIFT) +#define ENET_CTL_DISABLE_SHIFT 1 +#define ENET_CTL_DISABLE_MASK (1 << ENET_CTL_DISABLE_SHIFT) +#define ENET_CTL_SRESET_SHIFT 2 +#define ENET_CTL_SRESET_MASK (1 << ENET_CTL_SRESET_SHIFT) +#define ENET_CTL_EPHYSEL_SHIFT 3 +#define ENET_CTL_EPHYSEL_MASK (1 << ENET_CTL_EPHYSEL_SHIFT) + +/* Transmit Control register */ +#define ENET_TXCTL_REG 0x30 +#define ENET_TXCTL_FD_SHIFT 0 +#define ENET_TXCTL_FD_MASK (1 << ENET_TXCTL_FD_SHIFT) + +/* Transmit Watermask register */ +#define ENET_TXWMARK_REG 0x34 +#define ENET_TXWMARK_WM_SHIFT 0 +#define ENET_TXWMARK_WM_MASK (0x3f << ENET_TXWMARK_WM_SHIFT) + +/* MIB Control register */ +#define ENET_MIBCTL_REG 0x38 +#define ENET_MIBCTL_RDCLEAR_SHIFT 0 +#define ENET_MIBCTL_RDCLEAR_MASK (1 << ENET_MIBCTL_RDCLEAR_SHIFT) + +/* Perfect Match Data Low register */ +#define ENET_PML_REG(x) (0x58 + (x) * 8) +#define ENET_PMH_REG(x) (0x5c + (x) * 8) +#define ENET_PMH_DATAVALID_SHIFT 16 +#define ENET_PMH_DATAVALID_MASK (1 << ENET_PMH_DATAVALID_SHIFT) + +/* MIB register */ +#define ENET_MIB_REG(x) (0x200 + (x) * 4) +#define ENET_MIB_REG_COUNT 55 + + +/************************************************************************* + * _REG relative to RSET_ENETDMA + *************************************************************************/ + +/* Controller Configuration Register */ +#define ENETDMA_CFG_REG (0x0) +#define ENETDMA_CFG_EN_SHIFT 0 +#define ENETDMA_CFG_EN_MASK (1 << ENETDMA_CFG_EN_SHIFT) +#define ENETDMA_CFG_FLOWCH_MASK(x) (1 << ((x >> 1) + 1)) + +/* Flow Control Descriptor Low Threshold register */ +#define ENETDMA_FLOWCL_REG(x) (0x4 + (x) * 6) + +/* Flow Control Descriptor High Threshold register */ +#define ENETDMA_FLOWCH_REG(x) (0x8 + (x) * 6) + +/* Flow Control Descriptor Buffer Alloca Threshold register */ +#define ENETDMA_BUFALLOC_REG(x) (0xc + (x) * 6) +#define ENETDMA_BUFALLOC_FORCE_SHIFT 31 +#define ENETDMA_BUFALLOC_FORCE_MASK (1 << ENETDMA_BUFALLOC_FORCE_SHIFT) + +/* Channel Configuration register */ +#define ENETDMA_CHANCFG_REG(x) (0x100 + (x) * 0x10) +#define ENETDMA_CHANCFG_EN_SHIFT 0 +#define ENETDMA_CHANCFG_EN_MASK (1 << ENETDMA_CHANCFG_EN_SHIFT) +#define ENETDMA_CHANCFG_PKTHALT_SHIFT 1 +#define ENETDMA_CHANCFG_PKTHALT_MASK (1 << ENETDMA_CHANCFG_PKTHALT_SHIFT) + +/* Interrupt Control/Status register */ +#define ENETDMA_IR_REG(x) (0x104 + (x) * 0x10) +#define ENETDMA_IR_BUFDONE_MASK (1 << 0) +#define ENETDMA_IR_PKTDONE_MASK (1 << 1) +#define ENETDMA_IR_NOTOWNER_MASK (1 << 2) + +/* Interrupt Mask register */ +#define ENETDMA_IRMASK_REG(x) (0x108 + (x) * 0x10) + +/* Maximum Burst Length */ +#define ENETDMA_MAXBURST_REG(x) (0x10C + (x) * 0x10) + +/* Ring Start Address register */ +#define ENETDMA_RSTART_REG(x) (0x200 + (x) * 0x10) + +/* State Ram Word 2 */ +#define ENETDMA_SRAM2_REG(x) (0x204 + (x) * 0x10) + +/* State Ram Word 3 */ +#define ENETDMA_SRAM3_REG(x) (0x208 + (x) * 0x10) + +/* State Ram Word 4 */ +#define ENETDMA_SRAM4_REG(x) (0x20c + (x) * 0x10) + + +/************************************************************************* + * _REG relative to RSET_OHCI_PRIV + *************************************************************************/ + +#define OHCI_PRIV_REG 0x0 +#define OHCI_PRIV_PORT1_HOST_SHIFT 0 +#define OHCI_PRIV_PORT1_HOST_MASK (1 << OHCI_PRIV_PORT1_HOST_SHIFT) +#define OHCI_PRIV_REG_SWAP_SHIFT 3 +#define OHCI_PRIV_REG_SWAP_MASK (1 << OHCI_PRIV_REG_SWAP_SHIFT) + + +/************************************************************************* + * _REG relative to RSET_USBH_PRIV + *************************************************************************/ + +#define USBH_PRIV_SWAP_REG 0x0 +#define USBH_PRIV_SWAP_EHCI_ENDN_SHIFT 4 +#define USBH_PRIV_SWAP_EHCI_ENDN_MASK (1 << USBH_PRIV_SWAP_EHCI_ENDN_SHIFT) +#define USBH_PRIV_SWAP_EHCI_DATA_SHIFT 3 +#define USBH_PRIV_SWAP_EHCI_DATA_MASK (1 << USBH_PRIV_SWAP_EHCI_DATA_SHIFT) +#define USBH_PRIV_SWAP_OHCI_ENDN_SHIFT 1 +#define USBH_PRIV_SWAP_OHCI_ENDN_MASK (1 << USBH_PRIV_SWAP_OHCI_ENDN_SHIFT) +#define USBH_PRIV_SWAP_OHCI_DATA_SHIFT 0 +#define USBH_PRIV_SWAP_OHCI_DATA_MASK (1 << USBH_PRIV_SWAP_OHCI_DATA_SHIFT) + +#define USBH_PRIV_TEST_REG 0x24 + + +/************************************************************************* + * _REG relative to RSET_MPI + *************************************************************************/ + +/* well known (hard wired) chip select */ +#define MPI_CS_PCMCIA_COMMON 4 +#define MPI_CS_PCMCIA_ATTR 5 +#define MPI_CS_PCMCIA_IO 6 + +/* Chip select base register */ +#define MPI_CSBASE_REG(x) (0x0 + (x) * 8) +#define MPI_CSBASE_BASE_SHIFT 13 +#define MPI_CSBASE_BASE_MASK (0x1ffff << MPI_CSBASE_BASE_SHIFT) +#define MPI_CSBASE_SIZE_SHIFT 0 +#define MPI_CSBASE_SIZE_MASK (0xf << MPI_CSBASE_SIZE_SHIFT) + +#define MPI_CSBASE_SIZE_8K 0 +#define MPI_CSBASE_SIZE_16K 1 +#define MPI_CSBASE_SIZE_32K 2 +#define MPI_CSBASE_SIZE_64K 3 +#define MPI_CSBASE_SIZE_128K 4 +#define MPI_CSBASE_SIZE_256K 5 +#define MPI_CSBASE_SIZE_512K 6 +#define MPI_CSBASE_SIZE_1M 7 +#define MPI_CSBASE_SIZE_2M 8 +#define MPI_CSBASE_SIZE_4M 9 +#define MPI_CSBASE_SIZE_8M 10 +#define MPI_CSBASE_SIZE_16M 11 +#define MPI_CSBASE_SIZE_32M 12 +#define MPI_CSBASE_SIZE_64M 13 +#define MPI_CSBASE_SIZE_128M 14 +#define MPI_CSBASE_SIZE_256M 15 + +/* Chip select control register */ +#define MPI_CSCTL_REG(x) (0x4 + (x) * 8) +#define MPI_CSCTL_ENABLE_MASK (1 << 0) +#define MPI_CSCTL_WAIT_SHIFT 1 +#define MPI_CSCTL_WAIT_MASK (0x7 << MPI_CSCTL_WAIT_SHIFT) +#define MPI_CSCTL_DATA16_MASK (1 << 4) +#define MPI_CSCTL_SYNCMODE_MASK (1 << 7) +#define MPI_CSCTL_TSIZE_MASK (1 << 8) +#define MPI_CSCTL_ENDIANSWAP_MASK (1 << 10) +#define MPI_CSCTL_SETUP_SHIFT 16 +#define MPI_CSCTL_SETUP_MASK (0xf << MPI_CSCTL_SETUP_SHIFT) +#define MPI_CSCTL_HOLD_SHIFT 20 +#define MPI_CSCTL_HOLD_MASK (0xf << MPI_CSCTL_HOLD_SHIFT) + +/* PCI registers */ +#define MPI_SP0_RANGE_REG 0x100 +#define MPI_SP0_REMAP_REG 0x104 +#define MPI_SP0_REMAP_ENABLE_MASK (1 << 0) +#define MPI_SP1_RANGE_REG 0x10C +#define MPI_SP1_REMAP_REG 0x110 +#define MPI_SP1_REMAP_ENABLE_MASK (1 << 0) + +#define MPI_L2PCFG_REG 0x11C +#define MPI_L2PCFG_CFG_TYPE_SHIFT 0 +#define MPI_L2PCFG_CFG_TYPE_MASK (0x3 << MPI_L2PCFG_CFG_TYPE_SHIFT) +#define MPI_L2PCFG_REG_SHIFT 2 +#define MPI_L2PCFG_REG_MASK (0x3f << MPI_L2PCFG_REG_SHIFT) +#define MPI_L2PCFG_FUNC_SHIFT 8 +#define MPI_L2PCFG_FUNC_MASK (0x7 << MPI_L2PCFG_FUNC_SHIFT) +#define MPI_L2PCFG_DEVNUM_SHIFT 11 +#define MPI_L2PCFG_DEVNUM_MASK (0x1f << MPI_L2PCFG_DEVNUM_SHIFT) +#define MPI_L2PCFG_CFG_USEREG_MASK (1 << 30) +#define MPI_L2PCFG_CFG_SEL_MASK (1 << 31) + +#define MPI_L2PMEMRANGE1_REG 0x120 +#define MPI_L2PMEMBASE1_REG 0x124 +#define MPI_L2PMEMREMAP1_REG 0x128 +#define MPI_L2PMEMRANGE2_REG 0x12C +#define MPI_L2PMEMBASE2_REG 0x130 +#define MPI_L2PMEMREMAP2_REG 0x134 +#define MPI_L2PIORANGE_REG 0x138 +#define MPI_L2PIOBASE_REG 0x13C +#define MPI_L2PIOREMAP_REG 0x140 +#define MPI_L2P_BASE_MASK (0xffff8000) +#define MPI_L2PREMAP_ENABLED_MASK (1 << 0) +#define MPI_L2PREMAP_IS_CARDBUS_MASK (1 << 2) + +#define MPI_PCIMODESEL_REG 0x144 +#define MPI_PCIMODESEL_BAR1_NOSWAP_MASK (1 << 0) +#define MPI_PCIMODESEL_BAR2_NOSWAP_MASK (1 << 1) +#define MPI_PCIMODESEL_EXT_ARB_MASK (1 << 2) +#define MPI_PCIMODESEL_PREFETCH_SHIFT 4 +#define MPI_PCIMODESEL_PREFETCH_MASK (0xf << MPI_PCIMODESEL_PREFETCH_SHIFT) + +#define MPI_LOCBUSCTL_REG 0x14C +#define MPI_LOCBUSCTL_EN_PCI_GPIO_MASK (1 << 0) +#define MPI_LOCBUSCTL_U2P_NOSWAP_MASK (1 << 1) + +#define MPI_LOCINT_REG 0x150 +#define MPI_LOCINT_MASK(x) (1 << (x + 16)) +#define MPI_LOCINT_STAT(x) (1 << (x)) +#define MPI_LOCINT_DIR_FAILED 6 +#define MPI_LOCINT_EXT_PCI_INT 7 +#define MPI_LOCINT_SERR 8 +#define MPI_LOCINT_CSERR 9 + +#define MPI_PCICFGCTL_REG 0x178 +#define MPI_PCICFGCTL_CFGADDR_SHIFT 2 +#define MPI_PCICFGCTL_CFGADDR_MASK (0x1f << MPI_PCICFGCTL_CFGADDR_SHIFT) +#define MPI_PCICFGCTL_WRITEEN_MASK (1 << 7) + +#define MPI_PCICFGDATA_REG 0x17C + +/* PCI host bridge custom register */ +#define BCMPCI_REG_TIMERS 0x40 +#define REG_TIMER_TRDY_SHIFT 0 +#define REG_TIMER_TRDY_MASK (0xff << REG_TIMER_TRDY_SHIFT) +#define REG_TIMER_RETRY_SHIFT 8 +#define REG_TIMER_RETRY_MASK (0xff << REG_TIMER_RETRY_SHIFT) + + +/************************************************************************* + * _REG relative to RSET_PCMCIA + *************************************************************************/ + +#define PCMCIA_C1_REG 0x0 +#define PCMCIA_C1_CD1_MASK (1 << 0) +#define PCMCIA_C1_CD2_MASK (1 << 1) +#define PCMCIA_C1_VS1_MASK (1 << 2) +#define PCMCIA_C1_VS2_MASK (1 << 3) +#define PCMCIA_C1_VS1OE_MASK (1 << 6) +#define PCMCIA_C1_VS2OE_MASK (1 << 7) +#define PCMCIA_C1_CBIDSEL_SHIFT (8) +#define PCMCIA_C1_CBIDSEL_MASK (0x1f << PCMCIA_C1_CBIDSEL_SHIFT) +#define PCMCIA_C1_EN_PCMCIA_GPIO_MASK (1 << 13) +#define PCMCIA_C1_EN_PCMCIA_MASK (1 << 14) +#define PCMCIA_C1_EN_CARDBUS_MASK (1 << 15) +#define PCMCIA_C1_RESET_MASK (1 << 18) + +#define PCMCIA_C2_REG 0x8 +#define PCMCIA_C2_DATA16_MASK (1 << 0) +#define PCMCIA_C2_BYTESWAP_MASK (1 << 1) +#define PCMCIA_C2_RWCOUNT_SHIFT 2 +#define PCMCIA_C2_RWCOUNT_MASK (0x3f << PCMCIA_C2_RWCOUNT_SHIFT) +#define PCMCIA_C2_INACTIVE_SHIFT 8 +#define PCMCIA_C2_INACTIVE_MASK (0x3f << PCMCIA_C2_INACTIVE_SHIFT) +#define PCMCIA_C2_SETUP_SHIFT 16 +#define PCMCIA_C2_SETUP_MASK (0x3f << PCMCIA_C2_SETUP_SHIFT) +#define PCMCIA_C2_HOLD_SHIFT 24 +#define PCMCIA_C2_HOLD_MASK (0x3f << PCMCIA_C2_HOLD_SHIFT) + + +/************************************************************************* + * _REG relative to RSET_SDRAM + *************************************************************************/ + +#define SDRAM_CFG_REG 0x0 +#define SDRAM_CFG_ROW_SHIFT 4 +#define SDRAM_CFG_ROW_MASK (0x3 << SDRAM_CFG_ROW_SHIFT) +#define SDRAM_CFG_COL_SHIFT 6 +#define SDRAM_CFG_COL_MASK (0x3 << SDRAM_CFG_COL_SHIFT) +#define SDRAM_CFG_32B_SHIFT 10 +#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_PRIO_REG 0x2C +#define SDRAM_PRIO_MIPS_SHIFT 29 +#define SDRAM_PRIO_MIPS_MASK (1 << SDRAM_PRIO_MIPS_SHIFT) +#define SDRAM_PRIO_ADSL_SHIFT 30 +#define SDRAM_PRIO_ADSL_MASK (1 << SDRAM_PRIO_ADSL_SHIFT) +#define SDRAM_PRIO_EN_SHIFT 31 +#define SDRAM_PRIO_EN_MASK (1 << SDRAM_PRIO_EN_SHIFT) + + +/************************************************************************* + * _REG relative to RSET_MEMC + *************************************************************************/ + +#define MEMC_CFG_REG 0x4 +#define MEMC_CFG_32B_SHIFT 1 +#define MEMC_CFG_32B_MASK (1 << MEMC_CFG_32B_SHIFT) +#define MEMC_CFG_COL_SHIFT 3 +#define MEMC_CFG_COL_MASK (0x3 << MEMC_CFG_COL_SHIFT) +#define MEMC_CFG_ROW_SHIFT 6 +#define MEMC_CFG_ROW_MASK (0x3 << MEMC_CFG_ROW_SHIFT) + + +/************************************************************************* + * _REG relative to RSET_DDR + *************************************************************************/ + +#define DDR_DMIPSPLLCFG_REG 0x18 +#define DMIPSPLLCFG_M1_SHIFT 0 +#define DMIPSPLLCFG_M1_MASK (0xff << DMIPSPLLCFG_M1_SHIFT) +#define DMIPSPLLCFG_N1_SHIFT 23 +#define DMIPSPLLCFG_N1_MASK (0x3f << DMIPSPLLCFG_N1_SHIFT) +#define DMIPSPLLCFG_N2_SHIFT 29 +#define DMIPSPLLCFG_N2_MASK (0x7 << DMIPSPLLCFG_N2_SHIFT) + +#endif /* BCM63XX_REGS_H_ */ + --- /dev/null +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_timer.h @@ -0,0 +1,11 @@ +#ifndef BCM63XX_TIMER_H_ +#define BCM63XX_TIMER_H_ + +int bcm63xx_timer_register(int id, void (*callback)(void *data), void *data); +void bcm63xx_timer_unregister(int id); +int bcm63xx_timer_set(int id, int monotonic, unsigned int countdown_us); +int bcm63xx_timer_enable(int id); +int bcm63xx_timer_disable(int id); +unsigned int bcm63xx_timer_countdown(unsigned int countdown_us); + +#endif /* !BCM63XX_TIMER_H_ */ --- /dev/null +++ b/arch/mips/include/asm/mach-bcm63xx/cpu-feature-overrides.h @@ -0,0 +1,51 @@ +#ifndef __ASM_MACH_BCM963XX_CPU_FEATURE_OVERRIDES_H +#define __ASM_MACH_BCM963XX_CPU_FEATURE_OVERRIDES_H + +#include <bcm63xx_cpu.h> + +#define cpu_has_tlb 1 +#define cpu_has_4kex 1 +#define cpu_has_4k_cache 1 +#define cpu_has_fpu 0 +#define cpu_has_32fpr 0 +#define cpu_has_counter 1 +#define cpu_has_watch 0 +#define cpu_has_divec 1 +#define cpu_has_vce 0 +#define cpu_has_cache_cdex_p 0 +#define cpu_has_cache_cdex_s 0 +#define cpu_has_prefetch 1 +#define cpu_has_mcheck 1 +#define cpu_has_ejtag 1 +#define cpu_has_llsc 1 +#define cpu_has_mips16 0 +#define cpu_has_mdmx 0 +#define cpu_has_mips3d 0 +#define cpu_has_smartmips 0 +#define cpu_has_vtag_icache 0 + +#if !defined(BCMCPU_RUNTIME_DETECT) && defined(CONFIG_BCMCPU_IS_6348) +#define cpu_has_dc_aliases 0 +#endif + +#define cpu_has_ic_fills_f_dc 0 +#define cpu_has_pindexed_dcache 0 + +#define cpu_has_mips32r1 1 +#define cpu_has_mips32r2 0 +#define cpu_has_mips64r1 0 +#define cpu_has_mips64r2 0 + +#define cpu_has_dsp 0 +#define cpu_has_mipsmt 0 +#define cpu_has_userlocal 0 + +#define cpu_has_nofpuex 0 +#define cpu_has_64bits 0 +#define cpu_has_64bit_zero_reg 0 + +#define cpu_dcache_line_size() 16 +#define cpu_icache_line_size() 16 +#define cpu_scache_line_size() 0 + +#endif /* __ASM_MACH_BCM963XX_CPU_FEATURE_OVERRIDES_H */ --- /dev/null +++ b/arch/mips/include/asm/mach-bcm63xx/gpio.h @@ -0,0 +1,17 @@ +#ifndef __ASM_MIPS_MACH_BCM63XX_GPIO_H +#define __ASM_MIPS_MACH_BCM63XX_GPIO_H + +#include <bcm63xx_gpio.h> + +#define NR_BUILTIN_GPIO BCM63XX_GPIO_COUNT + +#define gpio_to_irq(gpio) NULL + +#define gpio_get_value __gpio_get_value +#define gpio_set_value __gpio_set_value + +#define gpio_cansleep __gpio_cansleep + +#include <asm-generic/gpio.h> + +#endif /* __ASM_MIPS_MACH_BCM63XX_GPIO_H */ --- /dev/null +++ b/arch/mips/include/asm/mach-bcm63xx/war.h @@ -0,0 +1,25 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2002, 2004, 2007 by Ralf Baechle <ralf@xxxxxxxxxxxxxx> + */ +#ifndef __ASM_MIPS_MACH_BCM63XX_WAR_H +#define __ASM_MIPS_MACH_BCM63XX_WAR_H + +#define R4600_V1_INDEX_ICACHEOP_WAR 0 +#define R4600_V1_HIT_CACHEOP_WAR 0 +#define R4600_V2_HIT_CACHEOP_WAR 0 +#define R5432_CP0_INTERRUPT_WAR 0 +#define BCM1250_M3_WAR 0 +#define SIBYTE_1956_WAR 0 +#define MIPS4K_ICACHE_REFILL_WAR 0 +#define MIPS_CACHE_SYNC_WAR 0 +#define TX49XX_ICACHE_INDEX_INV_WAR 0 +#define RM9000_CDEX_SMP_WAR 0 +#define ICACHE_REFILLS_WORKAROUND_WAR 0 +#define R10000_LLSC_WAR 0 +#define MIPS34K_MISSED_ITLB_WAR 0 + +#endif /* __ASM_MIPS_MACH_BCM63XX_WAR_H */