diff options
Diffstat (limited to 'arch/mips/bcm63xx')
| -rw-r--r-- | arch/mips/bcm63xx/Kconfig | 29 | ||||
| -rw-r--r-- | arch/mips/bcm63xx/Makefile | 6 | ||||
| -rw-r--r-- | arch/mips/bcm63xx/boards/Makefile | 2 | ||||
| -rw-r--r-- | arch/mips/bcm63xx/boards/board_bcm963xx.c | 300 | ||||
| -rw-r--r-- | arch/mips/bcm63xx/clk.c | 212 | ||||
| -rw-r--r-- | arch/mips/bcm63xx/cpu.c | 419 | ||||
| -rw-r--r-- | arch/mips/bcm63xx/dev-dsp.c | 2 | ||||
| -rw-r--r-- | arch/mips/bcm63xx/dev-enet.c | 181 | ||||
| -rw-r--r-- | arch/mips/bcm63xx/dev-flash.c | 130 | ||||
| -rw-r--r-- | arch/mips/bcm63xx/dev-hsspi.c | 47 | ||||
| -rw-r--r-- | arch/mips/bcm63xx/dev-pcmcia.c | 4 | ||||
| -rw-r--r-- | arch/mips/bcm63xx/dev-rng.c | 40 | ||||
| -rw-r--r-- | arch/mips/bcm63xx/dev-spi.c | 102 | ||||
| -rw-r--r-- | arch/mips/bcm63xx/dev-uart.c | 3 | ||||
| -rw-r--r-- | arch/mips/bcm63xx/dev-usb-usbd.c | 65 | ||||
| -rw-r--r-- | arch/mips/bcm63xx/dev-wdt.c | 2 | ||||
| -rw-r--r-- | arch/mips/bcm63xx/early_printk.c | 7 | ||||
| -rw-r--r-- | arch/mips/bcm63xx/gpio.c | 41 | ||||
| -rw-r--r-- | arch/mips/bcm63xx/irq.c | 523 | ||||
| -rw-r--r-- | arch/mips/bcm63xx/nvram.c | 127 | ||||
| -rw-r--r-- | arch/mips/bcm63xx/prom.c | 58 | ||||
| -rw-r--r-- | arch/mips/bcm63xx/reset.c | 278 | ||||
| -rw-r--r-- | arch/mips/bcm63xx/setup.c | 59 |
23 files changed, 2151 insertions, 486 deletions
diff --git a/arch/mips/bcm63xx/Kconfig b/arch/mips/bcm63xx/Kconfig index fb177d6df06..a057fdf111c 100644 --- a/arch/mips/bcm63xx/Kconfig +++ b/arch/mips/bcm63xx/Kconfig @@ -1,24 +1,43 @@ menu "CPU support" depends on BCM63XX +config BCM63XX_CPU_3368 + bool "support 3368 CPU" + select SYS_HAS_CPU_BMIPS4350 + select HW_HAS_PCI + +config BCM63XX_CPU_6328 + bool "support 6328 CPU" + select SYS_HAS_CPU_BMIPS4350 + select HW_HAS_PCI + config BCM63XX_CPU_6338 bool "support 6338 CPU" + select SYS_HAS_CPU_BMIPS32_3300 select HW_HAS_PCI - select USB_ARCH_HAS_OHCI - select USB_OHCI_BIG_ENDIAN_DESC - select USB_OHCI_BIG_ENDIAN_MMIO config BCM63XX_CPU_6345 bool "support 6345 CPU" - select USB_OHCI_BIG_ENDIAN_DESC - select USB_OHCI_BIG_ENDIAN_MMIO + select SYS_HAS_CPU_BMIPS32_3300 config BCM63XX_CPU_6348 bool "support 6348 CPU" + select SYS_HAS_CPU_BMIPS32_3300 select HW_HAS_PCI config BCM63XX_CPU_6358 bool "support 6358 CPU" + select SYS_HAS_CPU_BMIPS4350 + select HW_HAS_PCI + +config BCM63XX_CPU_6362 + bool "support 6362 CPU" + select SYS_HAS_CPU_BMIPS4350 + select HW_HAS_PCI + +config BCM63XX_CPU_6368 + bool "support 6368 CPU" + select SYS_HAS_CPU_BMIPS4350 select HW_HAS_PCI endmenu diff --git a/arch/mips/bcm63xx/Makefile b/arch/mips/bcm63xx/Makefile index 6dfdc69928a..9019f54aee6 100644 --- a/arch/mips/bcm63xx/Makefile +++ b/arch/mips/bcm63xx/Makefile @@ -1,5 +1,7 @@ -obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \ - dev-dsp.o dev-enet.o dev-pcmcia.o dev-uart.o dev-wdt.o +obj-y += clk.o cpu.o cs.o gpio.o irq.o nvram.o prom.o reset.o \ + setup.o timer.o dev-dsp.o dev-enet.o dev-flash.o \ + dev-pcmcia.o dev-rng.o dev-spi.o dev-hsspi.o dev-uart.o \ + dev-wdt.o dev-usb-usbd.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o obj-y += boards/ diff --git a/arch/mips/bcm63xx/boards/Makefile b/arch/mips/bcm63xx/boards/Makefile index e5cc86dc1da..af07c1aa202 100644 --- a/arch/mips/bcm63xx/boards/Makefile +++ b/arch/mips/bcm63xx/boards/Makefile @@ -1,3 +1 @@ obj-$(CONFIG_BOARD_BCM963XX) += board_bcm963xx.o - -EXTRA_CFLAGS += -Werror diff --git a/arch/mips/bcm63xx/boards/board_bcm963xx.c b/arch/mips/bcm63xx/boards/board_bcm963xx.c index 8dba8cfb752..33727e7f0c7 100644 --- a/arch/mips/bcm63xx/boards/board_bcm963xx.c +++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c @@ -11,9 +11,6 @@ #include <linux/kernel.h> #include <linux/string.h> #include <linux/platform_device.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> -#include <linux/mtd/physmap.h> #include <linux/ssb/ssb.h> #include <asm/addrspace.h> #include <bcm63xx_board.h> @@ -21,19 +18,106 @@ #include <bcm63xx_dev_uart.h> #include <bcm63xx_regs.h> #include <bcm63xx_io.h> +#include <bcm63xx_nvram.h> #include <bcm63xx_dev_pci.h> #include <bcm63xx_dev_enet.h> #include <bcm63xx_dev_dsp.h> +#include <bcm63xx_dev_flash.h> +#include <bcm63xx_dev_hsspi.h> #include <bcm63xx_dev_pcmcia.h> +#include <bcm63xx_dev_spi.h> +#include <bcm63xx_dev_usb_usbd.h> #include <board_bcm963xx.h> +#include <uapi/linux/bcm933xx_hcs.h> + #define PFX "board_bcm963xx: " -static struct bcm963xx_nvram nvram; -static unsigned int mac_addr_used; +#define HCS_OFFSET_128K 0x20000 + static struct board_info board; /* + * known 3368 boards + */ +#ifdef CONFIG_BCM63XX_CPU_3368 +static struct board_info __initdata board_cvg834g = { + .name = "CVG834G_E15R3921", + .expected_cpu_id = 0x3368, + + .has_uart0 = 1, + .has_uart1 = 1, + + .has_enet0 = 1, + .has_pci = 1, + + .enet0 = { + .has_phy = 1, + .use_internal_phy = 1, + }, + + .leds = { + { + .name = "CVG834G:green:power", + .gpio = 37, + .default_trigger= "default-on", + }, + }, + + .ephy_reset_gpio = 36, + .ephy_reset_gpio_flags = GPIOF_INIT_HIGH, +}; +#endif + +/* + * known 6328 boards + */ +#ifdef CONFIG_BCM63XX_CPU_6328 +static struct board_info __initdata board_96328avng = { + .name = "96328avng", + .expected_cpu_id = 0x6328, + + .has_uart0 = 1, + .has_pci = 1, + .has_usbd = 0, + + .usbd = { + .use_fullspeed = 0, + .port_no = 0, + }, + + .leds = { + { + .name = "96328avng::ppp-fail", + .gpio = 2, + .active_low = 1, + }, + { + .name = "96328avng::power", + .gpio = 4, + .active_low = 1, + .default_trigger = "default-on", + }, + { + .name = "96328avng::power-fail", + .gpio = 8, + .active_low = 1, + }, + { + .name = "96328avng::wps", + .gpio = 9, + .active_low = 1, + }, + { + .name = "96328avng::ppp", + .gpio = 11, + .active_low = 1, + }, + }, +}; +#endif + +/* * known 6338 boards */ #ifdef CONFIG_BCM63XX_CPU_6338 @@ -359,9 +443,9 @@ static struct board_info __initdata board_FAST2404 = { .expected_cpu_id = 0x6348, .has_uart0 = 1, - .has_enet0 = 1, - .has_enet1 = 1, - .has_pci = 1, + .has_enet0 = 1, + .has_enet1 = 1, + .has_pci = 1, .enet0 = { .has_phy = 1, @@ -544,22 +628,22 @@ static struct board_info __initdata board_96358vw2 = { }; static struct board_info __initdata board_AGPFS0 = { - .name = "AGPF-S0", - .expected_cpu_id = 0x6358, + .name = "AGPF-S0", + .expected_cpu_id = 0x6358, .has_uart0 = 1, - .has_enet0 = 1, - .has_enet1 = 1, - .has_pci = 1, + .has_enet0 = 1, + .has_enet1 = 1, + .has_pci = 1, .enet0 = { - .has_phy = 1, - .use_internal_phy = 1, + .has_phy = 1, + .use_internal_phy = 1, }, .enet1 = { - .force_speed_100 = 1, - .force_duplex_full = 1, + .force_speed_100 = 1, + .force_duplex_full = 1, }, .has_ohci0 = 1, @@ -591,7 +675,13 @@ static struct board_info __initdata board_DWVS0 = { /* * all boards */ -static const struct board_info __initdata *bcm963xx_boards[] = { +static const struct board_info __initconst *bcm963xx_boards[] = { +#ifdef CONFIG_BCM63XX_CPU_3368 + &board_cvg834g, +#endif +#ifdef CONFIG_BCM63XX_CPU_6328 + &board_96328avng, +#endif #ifdef CONFIG_BCM63XX_CPU_6338 &board_96338gw, &board_96338w, @@ -627,7 +717,7 @@ static struct ssb_sprom bcm63xx_sprom = { .revision = 0x02, .board_rev = 0x17, .country_code = 0x0, - .ant_available_bg = 0x3, + .ant_available_bg = 0x3, .pa0b0 = 0x15ae, .pa0b1 = 0xfa85, .pa0b2 = 0xfe8d, @@ -643,6 +733,17 @@ static struct ssb_sprom bcm63xx_sprom = { .boardflags_lo = 0x2848, .boardflags_hi = 0x0000, }; + +int bcm63xx_get_fallback_sprom(struct ssb_bus *bus, struct ssb_sprom *out) +{ + if (bus->bustype == SSB_BUSTYPE_PCI) { + memcpy(out, &bcm63xx_sprom, sizeof(struct ssb_sprom)); + return 0; + } else { + printk(KERN_ERR PFX "unable to fill SPROM for given bustype.\n"); + return -EINVAL; + } +} #endif /* @@ -654,56 +755,23 @@ const char *board_get_name(void) } /* - * register & return a new board mac address - */ -static int board_get_mac_address(u8 *mac) -{ - u8 *p; - int count; - - if (mac_addr_used >= nvram.mac_addr_count) { - printk(KERN_ERR PFX "not enough mac address\n"); - return -ENODEV; - } - - memcpy(mac, nvram.mac_addr_base, ETH_ALEN); - p = mac + ETH_ALEN - 1; - count = mac_addr_used; - - while (count--) { - do { - (*p)++; - if (*p != 0) - break; - p--; - } while (p != mac); - } - - if (p == mac) { - printk(KERN_ERR PFX "unable to fetch mac address\n"); - return -ENODEV; - } - - mac_addr_used++; - return 0; -} - -/* * early init callback, read nvram data from flash and checksum it */ void __init board_prom_init(void) { - unsigned int check_len, i; - u8 *boot_addr, *cfe, *p; + unsigned int i; + u8 *boot_addr, *cfe; char cfe_version[32]; + char *board_name = NULL; u32 val; + struct bcm_hcs *hcs; /* read base address of boot chip select (0) - * 6345 does not have MPI but boots from standard - * MIPS Flash address */ - if (BCMCPU_IS_6345()) - val = 0x1fc00000; - else { + * 6328/6362 do not have MPI but boot from a fixed address + */ + if (BCMCPU_IS_6328() || BCMCPU_IS_6362()) { + val = 0x18000000; + } else { val = bcm_mpi_readl(MPI_CSBASE_REG(0)); val &= MPI_CSBASE_BASE_MASK; } @@ -718,27 +786,17 @@ void __init board_prom_init(void) strcpy(cfe_version, "unknown"); printk(KERN_INFO PFX "CFE version: %s\n", cfe_version); - /* extract nvram data */ - memcpy(&nvram, boot_addr + BCM963XX_NVRAM_OFFSET, sizeof(nvram)); + bcm63xx_nvram_init(boot_addr + BCM963XX_NVRAM_OFFSET); - /* check checksum before using data */ - if (nvram.version <= 4) - check_len = offsetof(struct bcm963xx_nvram, checksum_old); - else - check_len = sizeof(nvram); - val = 0; - p = (u8 *)&nvram; - while (check_len--) - val += *p; - if (val) { - printk(KERN_ERR PFX "invalid nvram checksum\n"); - return; + if (BCMCPU_IS_3368()) { + hcs = (struct bcm_hcs *)boot_addr; + board_name = hcs->filename; + } else { + board_name = bcm63xx_nvram_get_name(); } - /* find board by name */ for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) { - if (strncmp(nvram.name, bcm963xx_boards[i]->name, - sizeof(nvram.name))) + if (strncmp(board_name, bcm963xx_boards[i]->name, 16)) continue; /* copy, board desc array is marked initdata */ memcpy(&board, bcm963xx_boards[i], sizeof(board)); @@ -748,7 +806,7 @@ void __init board_prom_init(void) /* bail out if board is not found, will complain later */ if (!board.name[0]) { char name[17]; - memcpy(name, nvram.name, 16); + memcpy(name, board_name, 16); name[16] = 0; printk(KERN_ERR PFX "unknown bcm963xx board: %s\n", name); @@ -786,17 +844,6 @@ void __init board_prom_init(void) } bcm_gpio_writel(val, GPIO_MODE_REG); - - /* Generate MAC address for WLAN and - * register our SPROM */ -#ifdef CONFIG_SSB_PCIHOST - if (!board_get_mac_address(bcm63xx_sprom.il0mac)) { - memcpy(bcm63xx_sprom.et0mac, bcm63xx_sprom.il0mac, ETH_ALEN); - memcpy(bcm63xx_sprom.et1mac, bcm63xx_sprom.il0mac, ETH_ALEN); - if (ssb_arch_set_fallback_sprom(&bcm63xx_sprom) < 0) - printk(KERN_ERR "failed to register fallback SPROM\n"); - } -#endif } /* @@ -814,37 +861,6 @@ void __init board_setup(void) panic("unexpected CPU for bcm963xx board"); } -static struct mtd_partition mtd_partitions[] = { - { - .name = "cfe", - .offset = 0x0, - .size = 0x40000, - } -}; - -static struct physmap_flash_data flash_data = { - .width = 2, - .nr_parts = ARRAY_SIZE(mtd_partitions), - .parts = mtd_partitions, -}; - -static struct resource mtd_resources[] = { - { - .start = 0, /* filled at runtime */ - .end = 0, /* filled at runtime */ - .flags = IORESOURCE_MEM, - } -}; - -static struct platform_device mtd_dev = { - .name = "physmap-flash", - .resource = mtd_resources, - .num_resources = ARRAY_SIZE(mtd_resources), - .dev = { - .platform_data = &flash_data, - }, -}; - static struct gpio_led_platform_data bcm63xx_led_data; static struct platform_device bcm63xx_gpio_leds = { @@ -858,8 +874,6 @@ static struct platform_device bcm63xx_gpio_leds = { */ int __init board_register_devices(void) { - u32 val; - if (board.has_uart0) bcm63xx_uart_register(0); @@ -870,32 +884,50 @@ int __init board_register_devices(void) bcm63xx_pcmcia_register(); if (board.has_enet0 && - !board_get_mac_address(board.enet0.mac_addr)) + !bcm63xx_nvram_get_mac_address(board.enet0.mac_addr)) bcm63xx_enet_register(0, &board.enet0); if (board.has_enet1 && - !board_get_mac_address(board.enet1.mac_addr)) + !bcm63xx_nvram_get_mac_address(board.enet1.mac_addr)) bcm63xx_enet_register(1, &board.enet1); + if (board.has_enetsw && + !bcm63xx_nvram_get_mac_address(board.enetsw.mac_addr)) + bcm63xx_enetsw_register(&board.enetsw); + + if (board.has_usbd) + bcm63xx_usbd_register(&board.usbd); + if (board.has_dsp) bcm63xx_dsp_register(&board.dsp); - /* read base address of boot chip select (0) */ - if (BCMCPU_IS_6345()) - val = 0x1fc00000; - else { - val = bcm_mpi_readl(MPI_CSBASE_REG(0)); - val &= MPI_CSBASE_BASE_MASK; + /* Generate MAC address for WLAN and register our SPROM, + * do this after registering enet devices + */ +#ifdef CONFIG_SSB_PCIHOST + if (!bcm63xx_nvram_get_mac_address(bcm63xx_sprom.il0mac)) { + memcpy(bcm63xx_sprom.et0mac, bcm63xx_sprom.il0mac, ETH_ALEN); + memcpy(bcm63xx_sprom.et1mac, bcm63xx_sprom.il0mac, ETH_ALEN); + if (ssb_arch_register_fallback_sprom( + &bcm63xx_get_fallback_sprom) < 0) + pr_err(PFX "failed to register fallback SPROM\n"); } - mtd_resources[0].start = val; - mtd_resources[0].end = 0x1FFFFFFF; +#endif - platform_device_register(&mtd_dev); + bcm63xx_spi_register(); + + bcm63xx_hsspi_register(); + + bcm63xx_flash_register(); bcm63xx_led_data.num_leds = ARRAY_SIZE(board.leds); bcm63xx_led_data.leds = board.leds; platform_device_register(&bcm63xx_gpio_leds); + if (board.ephy_reset_gpio && board.ephy_reset_gpio_flags) + gpio_request_one(board.ephy_reset_gpio, + board.ephy_reset_gpio_flags, "ephy-reset"); + return 0; } diff --git a/arch/mips/bcm63xx/clk.c b/arch/mips/bcm63xx/clk.c index 2c68ee9ccee..63756528473 100644 --- a/arch/mips/bcm63xx/clk.c +++ b/arch/mips/bcm63xx/clk.c @@ -10,10 +10,18 @@ #include <linux/mutex.h> #include <linux/err.h> #include <linux/clk.h> +#include <linux/delay.h> #include <bcm63xx_cpu.h> #include <bcm63xx_io.h> #include <bcm63xx_regs.h> -#include <bcm63xx_clk.h> +#include <bcm63xx_reset.h> + +struct clk { + void (*set)(struct clk *, int); + unsigned int rate; + unsigned int usage; + int id; +}; static DEFINE_MUTEX(clocks_mutex); @@ -76,7 +84,7 @@ static void enetx_set(struct clk *clk, int enable) else clk_disable_unlocked(&clk_enet_misc); - if (BCMCPU_IS_6358()) { + if (BCMCPU_IS_3368() || BCMCPU_IS_6358()) { u32 mask; if (clk->id == 0) @@ -102,9 +110,8 @@ static struct clk clk_enet1 = { */ static void ephy_set(struct clk *clk, int enable) { - if (!BCMCPU_IS_6358()) - return; - bcm_hwclock_set(CKCTL_6358_EPHY_EN, enable); + if (BCMCPU_IS_3368() || BCMCPU_IS_6358()) + bcm_hwclock_set(CKCTL_6358_EPHY_EN, enable); } @@ -113,13 +120,44 @@ static struct clk clk_ephy = { }; /* + * Ethernet switch clock + */ +static void enetsw_set(struct clk *clk, int enable) +{ + if (BCMCPU_IS_6328()) + bcm_hwclock_set(CKCTL_6328_ROBOSW_EN, enable); + else if (BCMCPU_IS_6362()) + bcm_hwclock_set(CKCTL_6362_ROBOSW_EN, enable); + else if (BCMCPU_IS_6368()) + bcm_hwclock_set(CKCTL_6368_ROBOSW_EN | + CKCTL_6368_SWPKT_USB_EN | + CKCTL_6368_SWPKT_SAR_EN, + enable); + else + return; + + if (enable) { + /* reset switch core afer clock change */ + bcm63xx_core_set_reset(BCM63XX_RESET_ENETSW, 1); + msleep(10); + bcm63xx_core_set_reset(BCM63XX_RESET_ENETSW, 0); + msleep(10); + } +} + +static struct clk clk_enetsw = { + .set = enetsw_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); + if (BCMCPU_IS_3368()) + bcm_hwclock_set(CKCTL_3368_PCM_EN, enable); + if (BCMCPU_IS_6358()) + bcm_hwclock_set(CKCTL_6358_PCM_EN, enable); } static struct clk clk_pcm = { @@ -131,9 +169,14 @@ static struct clk clk_pcm = { */ static void usbh_set(struct clk *clk, int enable) { - if (!BCMCPU_IS_6348()) - return; - bcm_hwclock_set(CKCTL_6348_USBH_EN, enable); + if (BCMCPU_IS_6328()) + bcm_hwclock_set(CKCTL_6328_USBH_EN, enable); + else if (BCMCPU_IS_6348()) + bcm_hwclock_set(CKCTL_6348_USBH_EN, enable); + else if (BCMCPU_IS_6362()) + bcm_hwclock_set(CKCTL_6362_USBH_EN, enable); + else if (BCMCPU_IS_6368()) + bcm_hwclock_set(CKCTL_6368_USBH_EN, enable); } static struct clk clk_usbh = { @@ -141,6 +184,23 @@ static struct clk clk_usbh = { }; /* + * USB device clock + */ +static void usbd_set(struct clk *clk, int enable) +{ + if (BCMCPU_IS_6328()) + bcm_hwclock_set(CKCTL_6328_USBD_EN, enable); + else if (BCMCPU_IS_6362()) + bcm_hwclock_set(CKCTL_6362_USBD_EN, enable); + else if (BCMCPU_IS_6368()) + bcm_hwclock_set(CKCTL_6368_USBD_EN, enable); +} + +static struct clk clk_usbd = { + .set = usbd_set, +}; + +/* * SPI clock */ static void spi_set(struct clk *clk, int enable) @@ -151,9 +211,13 @@ static void spi_set(struct clk *clk, int enable) mask = CKCTL_6338_SPI_EN; else if (BCMCPU_IS_6348()) mask = CKCTL_6348_SPI_EN; - else - /* BCMCPU_IS_6358 */ + else if (BCMCPU_IS_3368() || BCMCPU_IS_6358()) mask = CKCTL_6358_SPI_EN; + else if (BCMCPU_IS_6362()) + mask = CKCTL_6362_SPI_EN; + else + /* BCMCPU_IS_6368 */ + mask = CKCTL_6368_SPI_EN; bcm_hwclock_set(mask, enable); } @@ -162,6 +226,84 @@ static struct clk clk_spi = { }; /* + * HSSPI clock + */ +static void hsspi_set(struct clk *clk, int enable) +{ + u32 mask; + + if (BCMCPU_IS_6328()) + mask = CKCTL_6328_HSSPI_EN; + else if (BCMCPU_IS_6362()) + mask = CKCTL_6362_HSSPI_EN; + else + return; + + bcm_hwclock_set(mask, enable); +} + +static struct clk clk_hsspi = { + .set = hsspi_set, +}; + + +/* + * XTM clock + */ +static void xtm_set(struct clk *clk, int enable) +{ + if (!BCMCPU_IS_6368()) + return; + + bcm_hwclock_set(CKCTL_6368_SAR_EN | + CKCTL_6368_SWPKT_SAR_EN, enable); + + if (enable) { + /* reset sar core afer clock change */ + bcm63xx_core_set_reset(BCM63XX_RESET_SAR, 1); + mdelay(1); + bcm63xx_core_set_reset(BCM63XX_RESET_SAR, 0); + mdelay(1); + } +} + + +static struct clk clk_xtm = { + .set = xtm_set, +}; + +/* + * IPsec clock + */ +static void ipsec_set(struct clk *clk, int enable) +{ + if (BCMCPU_IS_6362()) + bcm_hwclock_set(CKCTL_6362_IPSEC_EN, enable); + else if (BCMCPU_IS_6368()) + bcm_hwclock_set(CKCTL_6368_IPSEC_EN, enable); +} + +static struct clk clk_ipsec = { + .set = ipsec_set, +}; + +/* + * PCIe clock + */ + +static void pcie_set(struct clk *clk, int enable) +{ + if (BCMCPU_IS_6328()) + bcm_hwclock_set(CKCTL_6328_PCIE_EN, enable); + else if (BCMCPU_IS_6362()) + bcm_hwclock_set(CKCTL_6362_PCIE_EN, enable); +} + +static struct clk clk_pcie = { + .set = pcie_set, +}; + +/* * Internal peripheral clock */ static struct clk clk_periph = { @@ -198,22 +340,46 @@ unsigned long clk_get_rate(struct clk *clk) EXPORT_SYMBOL(clk_get_rate); +int clk_set_rate(struct clk *clk, unsigned long rate) +{ + return 0; +} +EXPORT_SYMBOL_GPL(clk_set_rate); + +long clk_round_rate(struct clk *clk, unsigned long rate) +{ + return 0; +} +EXPORT_SYMBOL_GPL(clk_round_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, "enetsw")) + return &clk_enetsw; if (!strcmp(id, "ephy")) return &clk_ephy; if (!strcmp(id, "usbh")) return &clk_usbh; + if (!strcmp(id, "usbd")) + return &clk_usbd; if (!strcmp(id, "spi")) return &clk_spi; + if (!strcmp(id, "hsspi")) + return &clk_hsspi; + if (!strcmp(id, "xtm")) + return &clk_xtm; if (!strcmp(id, "periph")) return &clk_periph; - if (BCMCPU_IS_6358() && !strcmp(id, "pcm")) + if ((BCMCPU_IS_3368() || BCMCPU_IS_6358()) && !strcmp(id, "pcm")) return &clk_pcm; + if ((BCMCPU_IS_6362() || BCMCPU_IS_6368()) && !strcmp(id, "ipsec")) + return &clk_ipsec; + if ((BCMCPU_IS_6328() || BCMCPU_IS_6362()) && !strcmp(id, "pcie")) + return &clk_pcie; return ERR_PTR(-ENOENT); } @@ -224,3 +390,21 @@ void clk_put(struct clk *clk) } EXPORT_SYMBOL(clk_put); + +#define HSSPI_PLL_HZ_6328 133333333 +#define HSSPI_PLL_HZ_6362 400000000 + +static int __init bcm63xx_clk_init(void) +{ + switch (bcm63xx_get_cpu_id()) { + case BCM6328_CPU_ID: + clk_hsspi.rate = HSSPI_PLL_HZ_6328; + break; + case BCM6362_CPU_ID: + clk_hsspi.rate = HSSPI_PLL_HZ_6362; + break; + } + + return 0; +} +arch_initcall(bcm63xx_clk_init); diff --git a/arch/mips/bcm63xx/cpu.c b/arch/mips/bcm63xx/cpu.c index 7c7e4d4486c..fd4e76c00a4 100644 --- a/arch/mips/bcm63xx/cpu.c +++ b/arch/mips/bcm63xx/cpu.c @@ -25,170 +25,76 @@ const int *bcm63xx_irqs; EXPORT_SYMBOL(bcm63xx_irqs); static u16 bcm63xx_cpu_id; -static u16 bcm63xx_cpu_rev; +static u8 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 bcm3368_regs_base[] = { + __GEN_CPU_REGS_TABLE(3368) }; -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 bcm3368_irqs[] = { + __GEN_CPU_IRQ_TABLE(3368) }; -/* - * 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 bcm6328_regs_base[] = { + __GEN_CPU_REGS_TABLE(6328) }; -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 bcm6328_irqs[] = { + __GEN_CPU_IRQ_TABLE(6328) }; -/* - * 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 bcm6338_regs_base[] = { + __GEN_CPU_REGS_TABLE(6338) }; -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 bcm6338_irqs[] = { + __GEN_CPU_IRQ_TABLE(6338) }; -/* - * 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 bcm6345_regs_base[] = { + __GEN_CPU_REGS_TABLE(6345) +}; + +static const int bcm6345_irqs[] = { + __GEN_CPU_IRQ_TABLE(6345) +}; + +static const unsigned long bcm6348_regs_base[] = { + __GEN_CPU_REGS_TABLE(6348) +}; + +static const int bcm6348_irqs[] = { + __GEN_CPU_IRQ_TABLE(6348) + +}; + +static const unsigned long bcm6358_regs_base[] = { + __GEN_CPU_REGS_TABLE(6358) +}; + +static const int bcm6358_irqs[] = { + __GEN_CPU_IRQ_TABLE(6358) + +}; + +static const unsigned long bcm6362_regs_base[] = { + __GEN_CPU_REGS_TABLE(6362) +}; + +static const int bcm6362_irqs[] = { + __GEN_CPU_IRQ_TABLE(6362) + +}; + +static const unsigned long bcm6368_regs_base[] = { + __GEN_CPU_REGS_TABLE(6368) }; -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 int bcm6368_irqs[] = { + __GEN_CPU_IRQ_TABLE(6368) + }; u16 __bcm63xx_get_cpu_id(void) @@ -198,7 +104,7 @@ u16 __bcm63xx_get_cpu_id(void) EXPORT_SYMBOL(__bcm63xx_get_cpu_id); -u16 bcm63xx_get_cpu_rev(void) +u8 bcm63xx_get_cpu_rev(void) { return bcm63xx_cpu_rev; } @@ -217,20 +123,51 @@ unsigned int bcm63xx_get_memory_size(void) static unsigned int detect_cpu_clock(void) { - unsigned int tmp, n1 = 0, n2 = 0, m1 = 0; + u16 cpu_id = bcm63xx_get_cpu_id(); + + switch (cpu_id) { + case BCM3368_CPU_ID: + return 300000000; + + case BCM6328_CPU_ID: + { + unsigned int tmp, mips_pll_fcvo; + + tmp = bcm_misc_readl(MISC_STRAPBUS_6328_REG); + mips_pll_fcvo = (tmp & STRAPBUS_6328_FCVO_MASK) + >> STRAPBUS_6328_FCVO_SHIFT; + + switch (mips_pll_fcvo) { + case 0x12: + case 0x14: + case 0x19: + return 160000000; + case 0x1c: + return 192000000; + case 0x13: + case 0x15: + return 200000000; + case 0x1a: + return 384000000; + case 0x16: + return 400000000; + default: + return 320000000; + } - /* BCM6338 has a fixed 240 Mhz frequency */ - if (BCMCPU_IS_6338()) + } + 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 +176,83 @@ 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; + } + + case BCM6362_CPU_ID: + { + unsigned int tmp, mips_pll_fcvo; + + tmp = bcm_misc_readl(MISC_STRAPBUS_6362_REG); + mips_pll_fcvo = (tmp & STRAPBUS_6362_FCVO_MASK) + >> STRAPBUS_6362_FCVO_SHIFT; + switch (mips_pll_fcvo) { + case 0x03: + case 0x0b: + case 0x13: + case 0x1b: + return 240000000; + case 0x04: + case 0x0c: + case 0x14: + case 0x1c: + return 160000000; + case 0x05: + case 0x0e: + case 0x16: + case 0x1e: + case 0x1f: + return 400000000; + case 0x06: + return 440000000; + case 0x07: + case 0x17: + return 384000000; + case 0x15: + case 0x1d: + return 200000000; + default: + return 320000000; + } + } + 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; } - return (16 * 1000000 * n1 * n2) / m1; + default: + panic("Failed to detect clock for CPU with id=%04X\n", cpu_id); + } } /* @@ -260,8 +263,13 @@ 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_6328() || BCMCPU_IS_6362()) + return bcm_ddr_readl(DDR_CSEND_REG) << 24; + + 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 +279,7 @@ static unsigned int detect_memory_size(void) banks = (val & SDRAM_CFG_BANK_MASK) ? 2 : 1; } - if (BCMCPU_IS_6358()) { + if (BCMCPU_IS_3368() || 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; @@ -290,35 +298,33 @@ static unsigned int detect_memory_size(void) void __init bcm63xx_cpu_init(void) { - unsigned int tmp, expected_cpu_id; - struct cpuinfo_mips *c = ¤t_cpu_data; + unsigned int tmp; unsigned int cpu = smp_processor_id(); + u32 chipid_reg; /* soc registers location depends on cpu type */ - expected_cpu_id = 0; + chipid_reg = 0; - switch (c->cputype) { + switch (current_cpu_type()) { 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; - } else { + if ((read_c0_prid() & PRID_IMP_MASK) != PRID_IMP_BMIPS3300_ALT) __cpu_name[cpu] = "Broadcom BCM6338"; - expected_cpu_id = BCM6338_CPU_ID; - bcm63xx_regs_base = bcm96338_regs_base; - bcm63xx_irqs = bcm96338_irqs; - } - break; + /* fall-through */ case CPU_BMIPS32: - expected_cpu_id = BCM6345_CPU_ID; - bcm63xx_regs_base = bcm96345_regs_base; - bcm63xx_irqs = bcm96345_irqs; + chipid_reg = BCM_6345_PERF_BASE; break; case CPU_BMIPS4350: - expected_cpu_id = BCM6358_CPU_ID; - bcm63xx_regs_base = bcm96358_regs_base; - bcm63xx_irqs = bcm96358_irqs; + switch ((read_c0_prid() & PRID_REV_MASK)) { + case 0x04: + chipid_reg = BCM_3368_PERF_BASE; + break; + case 0x10: + chipid_reg = BCM_6345_PERF_BASE; + break; + default: + chipid_reg = BCM_6368_PERF_BASE; + break; + } break; } @@ -326,20 +332,51 @@ void __init bcm63xx_cpu_init(void) * really early to panic, but delaying panic would not help since we * will never get any working console */ - if (!expected_cpu_id) + if (!chipid_reg) 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); + /* read out CPU type */ + tmp = bcm_readl(chipid_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"); + switch (bcm63xx_cpu_id) { + case BCM3368_CPU_ID: + bcm63xx_regs_base = bcm3368_regs_base; + bcm63xx_irqs = bcm3368_irqs; + break; + case BCM6328_CPU_ID: + bcm63xx_regs_base = bcm6328_regs_base; + bcm63xx_irqs = bcm6328_irqs; + break; + case BCM6338_CPU_ID: + bcm63xx_regs_base = bcm6338_regs_base; + bcm63xx_irqs = bcm6338_irqs; + break; + case BCM6345_CPU_ID: + bcm63xx_regs_base = bcm6345_regs_base; + bcm63xx_irqs = bcm6345_irqs; + break; + case BCM6348_CPU_ID: + bcm63xx_regs_base = bcm6348_regs_base; + bcm63xx_irqs = bcm6348_irqs; + break; + case BCM6358_CPU_ID: + bcm63xx_regs_base = bcm6358_regs_base; + bcm63xx_irqs = bcm6358_irqs; + break; + case BCM6362_CPU_ID: + bcm63xx_regs_base = bcm6362_regs_base; + bcm63xx_irqs = bcm6362_irqs; + break; + case BCM6368_CPU_ID: + bcm63xx_regs_base = bcm6368_regs_base; + bcm63xx_irqs = bcm6368_irqs; + break; + default: + panic("unsupported broadcom CPU %x", bcm63xx_cpu_id); + break; + } bcm63xx_cpu_freq = detect_cpu_clock(); bcm63xx_memory_size = detect_memory_size(); diff --git a/arch/mips/bcm63xx/dev-dsp.c b/arch/mips/bcm63xx/dev-dsp.c index da46d1d3c77..5bb5b154c9b 100644 --- a/arch/mips/bcm63xx/dev-dsp.c +++ b/arch/mips/bcm63xx/dev-dsp.c @@ -31,7 +31,7 @@ static struct resource voip_dsp_resources[] = { static struct platform_device bcm63xx_voip_dsp_device = { .name = "bcm63xx-voip-dsp", - .id = 0, + .id = -1, .num_resources = ARRAY_SIZE(voip_dsp_resources), .resource = voip_dsp_resources, }; diff --git a/arch/mips/bcm63xx/dev-enet.c b/arch/mips/bcm63xx/dev-enet.c index 39c23366c5c..52bc01df9bf 100644 --- a/arch/mips/bcm63xx/dev-enet.c +++ b/arch/mips/bcm63xx/dev-enet.c @@ -9,16 +9,60 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/platform_device.h> +#include <linux/export.h> #include <bcm63xx_dev_enet.h> #include <bcm63xx_io.h> #include <bcm63xx_regs.h> +#ifdef BCMCPU_RUNTIME_DETECT +static const unsigned long bcm6348_regs_enetdmac[] = { + [ENETDMAC_CHANCFG] = ENETDMAC_CHANCFG_REG, + [ENETDMAC_IR] = ENETDMAC_IR_REG, + [ENETDMAC_IRMASK] = ENETDMAC_IRMASK_REG, + [ENETDMAC_MAXBURST] = ENETDMAC_MAXBURST_REG, +}; + +static const unsigned long bcm6345_regs_enetdmac[] = { + [ENETDMAC_CHANCFG] = ENETDMA_6345_CHANCFG_REG, + [ENETDMAC_IR] = ENETDMA_6345_IR_REG, + [ENETDMAC_IRMASK] = ENETDMA_6345_IRMASK_REG, + [ENETDMAC_MAXBURST] = ENETDMA_6345_MAXBURST_REG, + [ENETDMAC_BUFALLOC] = ENETDMA_6345_BUFALLOC_REG, + [ENETDMAC_RSTART] = ENETDMA_6345_RSTART_REG, + [ENETDMAC_FC] = ENETDMA_6345_FC_REG, + [ENETDMAC_LEN] = ENETDMA_6345_LEN_REG, +}; + +const unsigned long *bcm63xx_regs_enetdmac; +EXPORT_SYMBOL(bcm63xx_regs_enetdmac); + +static __init void bcm63xx_enetdmac_regs_init(void) +{ + if (BCMCPU_IS_6345()) + bcm63xx_regs_enetdmac = bcm6345_regs_enetdmac; + else + bcm63xx_regs_enetdmac = bcm6348_regs_enetdmac; +} +#else +static __init void bcm63xx_enetdmac_regs_init(void) { } +#endif + static struct resource shared_res[] = { { .start = -1, /* filled at runtime */ .end = -1, /* filled at runtime */ .flags = IORESOURCE_MEM, }, + { + .start = -1, /* filled at runtime */ + .end = -1, /* filled at runtime */ + .flags = IORESOURCE_MEM, + }, + { + .start = -1, /* filled at runtime */ + .end = -1, /* filled at runtime */ + .flags = IORESOURCE_MEM, + }, }; static struct platform_device bcm63xx_enet_shared_device = { @@ -94,6 +138,71 @@ static struct platform_device bcm63xx_enet1_device = { }, }; +static struct resource enetsw_res[] = { + { + /* start & end filled at runtime */ + .flags = IORESOURCE_MEM, + }, + { + /* start filled at runtime */ + .flags = IORESOURCE_IRQ, + }, + { + /* start filled at runtime */ + .flags = IORESOURCE_IRQ, + }, +}; + +static struct bcm63xx_enetsw_platform_data enetsw_pd; + +static struct platform_device bcm63xx_enetsw_device = { + .name = "bcm63xx_enetsw", + .num_resources = ARRAY_SIZE(enetsw_res), + .resource = enetsw_res, + .dev = { + .platform_data = &enetsw_pd, + }, +}; + +static int __init register_shared(void) +{ + int ret, chan_count; + + if (shared_device_registered) + return 0; + + bcm63xx_enetdmac_regs_init(); + + shared_res[0].start = bcm63xx_regset_address(RSET_ENETDMA); + shared_res[0].end = shared_res[0].start; + if (BCMCPU_IS_6345()) + shared_res[0].end += (RSET_6345_ENETDMA_SIZE) - 1; + else + shared_res[0].end += (RSET_ENETDMA_SIZE) - 1; + + if (BCMCPU_IS_6328() || BCMCPU_IS_6362() || BCMCPU_IS_6368()) + chan_count = 32; + else if (BCMCPU_IS_6345()) + chan_count = 8; + else + chan_count = 16; + + shared_res[1].start = bcm63xx_regset_address(RSET_ENETDMAC); + shared_res[1].end = shared_res[1].start; + shared_res[1].end += RSET_ENETDMAC_SIZE(chan_count) - 1; + + shared_res[2].start = bcm63xx_regset_address(RSET_ENETDMAS); + shared_res[2].end = shared_res[2].start; + shared_res[2].end += RSET_ENETDMAS_SIZE(chan_count) - 1; + + ret = platform_device_register(&bcm63xx_enet_shared_device); + if (ret) + return ret; + shared_device_registered = 1; + + return 0; +} + int __init bcm63xx_enet_register(int unit, const struct bcm63xx_enet_platform_data *pd) { @@ -104,22 +213,12 @@ int __init bcm63xx_enet_register(int unit, if (unit > 1) return -ENODEV; - if (unit == 1 && BCMCPU_IS_6338()) + if (unit == 1 && (BCMCPU_IS_6338() || BCMCPU_IS_6345())) return -ENODEV; - if (!shared_device_registered) { - shared_res[0].start = bcm63xx_regset_address(RSET_ENETDMA); - shared_res[0].end = shared_res[0].start; - if (BCMCPU_IS_6338()) - shared_res[0].end += (RSET_ENETDMA_SIZE / 2) - 1; - else - shared_res[0].end += (RSET_ENETDMA_SIZE) - 1; - - ret = platform_device_register(&bcm63xx_enet_shared_device); - if (ret) - return ret; - shared_device_registered = 1; - } + ret = register_shared(); + if (ret) + return ret; if (unit == 0) { enet0_res[0].start = bcm63xx_regset_address(RSET_ENET0); @@ -155,8 +254,62 @@ int __init bcm63xx_enet_register(int unit, dpd->phy_interrupt = bcm63xx_get_irq_number(IRQ_ENET_PHY); } + dpd->dma_chan_en_mask = ENETDMAC_CHANCFG_EN_MASK; + dpd->dma_chan_int_mask = ENETDMAC_IR_PKTDONE_MASK; + if (BCMCPU_IS_6345()) { + dpd->dma_chan_en_mask |= ENETDMAC_CHANCFG_CHAINING_MASK; + dpd->dma_chan_en_mask |= ENETDMAC_CHANCFG_WRAP_EN_MASK; + dpd->dma_chan_en_mask |= ENETDMAC_CHANCFG_FLOWC_EN_MASK; + dpd->dma_chan_int_mask |= ENETDMA_IR_BUFDONE_MASK; + dpd->dma_chan_int_mask |= ENETDMA_IR_NOTOWNER_MASK; + dpd->dma_chan_width = ENETDMA_6345_CHAN_WIDTH; + dpd->dma_desc_shift = ENETDMA_6345_DESC_SHIFT; + } else { + dpd->dma_has_sram = true; + dpd->dma_chan_width = ENETDMA_CHAN_WIDTH; + } + ret = platform_device_register(pdev); if (ret) return ret; return 0; } + +int __init +bcm63xx_enetsw_register(const struct bcm63xx_enetsw_platform_data *pd) +{ + int ret; + + if (!BCMCPU_IS_6328() && !BCMCPU_IS_6362() && !BCMCPU_IS_6368()) + return -ENODEV; + + ret = register_shared(); + if (ret) + return ret; + + enetsw_res[0].start = bcm63xx_regset_address(RSET_ENETSW); + enetsw_res[0].end = enetsw_res[0].start; + enetsw_res[0].end += RSET_ENETSW_SIZE - 1; + enetsw_res[1].start = bcm63xx_get_irq_number(IRQ_ENETSW_RXDMA0); + enetsw_res[2].start = bcm63xx_get_irq_number(IRQ_ENETSW_TXDMA0); + if (!enetsw_res[2].start) + enetsw_res[2].start = -1; + + memcpy(bcm63xx_enetsw_device.dev.platform_data, pd, sizeof(*pd)); + + if (BCMCPU_IS_6328()) + enetsw_pd.num_ports = ENETSW_PORTS_6328; + else if (BCMCPU_IS_6362() || BCMCPU_IS_6368()) + enetsw_pd.num_ports = ENETSW_PORTS_6368; + + enetsw_pd.dma_has_sram = true; + enetsw_pd.dma_chan_width = ENETDMA_CHAN_WIDTH; + enetsw_pd.dma_chan_en_mask = ENETDMAC_CHANCFG_EN_MASK; + enetsw_pd.dma_chan_int_mask = ENETDMAC_IR_PKTDONE_MASK; + + ret = platform_device_register(&bcm63xx_enetsw_device); + if (ret) + return ret; + + return 0; +} diff --git a/arch/mips/bcm63xx/dev-flash.c b/arch/mips/bcm63xx/dev-flash.c new file mode 100644 index 00000000000..172dd839717 --- /dev/null +++ b/arch/mips/bcm63xx/dev-flash.c @@ -0,0 +1,130 @@ +/* + * Broadcom BCM63xx flash registration + * + * 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@freebox.fr> + * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org> + * Copyright (C) 2012 Jonas Gorski <jonas.gorski@gmail.com> + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> + +#include <bcm63xx_cpu.h> +#include <bcm63xx_dev_flash.h> +#include <bcm63xx_regs.h> +#include <bcm63xx_io.h> + +static struct mtd_partition mtd_partitions[] = { + { + .name = "cfe", + .offset = 0x0, + .size = 0x40000, + } +}; + +static const char *bcm63xx_part_types[] = { "bcm63xxpart", NULL }; + +static struct physmap_flash_data flash_data = { + .width = 2, + .parts = mtd_partitions, + .part_probe_types = bcm63xx_part_types, +}; + +static struct resource mtd_resources[] = { + { + .start = 0, /* filled at runtime */ + .end = 0, /* filled at runtime */ + .flags = IORESOURCE_MEM, + } +}; + +static struct platform_device mtd_dev = { + .name = "physmap-flash", + .resource = mtd_resources, + .num_resources = ARRAY_SIZE(mtd_resources), + .dev = { + .platform_data = &flash_data, + }, +}; + +static int __init bcm63xx_detect_flash_type(void) +{ + u32 val; + + switch (bcm63xx_get_cpu_id()) { + case BCM6328_CPU_ID: + val = bcm_misc_readl(MISC_STRAPBUS_6328_REG); + if (val & STRAPBUS_6328_BOOT_SEL_SERIAL) + return BCM63XX_FLASH_TYPE_SERIAL; + else + return BCM63XX_FLASH_TYPE_NAND; + case BCM6338_CPU_ID: + case BCM6345_CPU_ID: + case BCM6348_CPU_ID: + /* no way to auto detect so assume parallel */ + return BCM63XX_FLASH_TYPE_PARALLEL; + case BCM3368_CPU_ID: + case BCM6358_CPU_ID: + val = bcm_gpio_readl(GPIO_STRAPBUS_REG); + if (val & STRAPBUS_6358_BOOT_SEL_PARALLEL) + return BCM63XX_FLASH_TYPE_PARALLEL; + else + return BCM63XX_FLASH_TYPE_SERIAL; + case BCM6362_CPU_ID: + val = bcm_misc_readl(MISC_STRAPBUS_6362_REG); + if (val & STRAPBUS_6362_BOOT_SEL_SERIAL) + return BCM63XX_FLASH_TYPE_SERIAL; + else + return BCM63XX_FLASH_TYPE_NAND; + case BCM6368_CPU_ID: + val = bcm_gpio_readl(GPIO_STRAPBUS_REG); + switch (val & STRAPBUS_6368_BOOT_SEL_MASK) { + case STRAPBUS_6368_BOOT_SEL_NAND: + return BCM63XX_FLASH_TYPE_NAND; + case STRAPBUS_6368_BOOT_SEL_SERIAL: + return BCM63XX_FLASH_TYPE_SERIAL; + case STRAPBUS_6368_BOOT_SEL_PARALLEL: + return BCM63XX_FLASH_TYPE_PARALLEL; + } + default: + return -EINVAL; + } +} + +int __init bcm63xx_flash_register(void) +{ + int flash_type; + u32 val; + + flash_type = bcm63xx_detect_flash_type(); + + switch (flash_type) { + case BCM63XX_FLASH_TYPE_PARALLEL: + /* read base address of boot chip select (0) */ + val = bcm_mpi_readl(MPI_CSBASE_REG(0)); + val &= MPI_CSBASE_BASE_MASK; + + mtd_resources[0].start = val; + mtd_resources[0].end = 0x1FFFFFFF; + + return platform_device_register(&mtd_dev); + case BCM63XX_FLASH_TYPE_SERIAL: + pr_warn("unsupported serial flash detected\n"); + return -ENODEV; + case BCM63XX_FLASH_TYPE_NAND: + pr_warn("unsupported NAND flash detected\n"); + return -ENODEV; + default: + pr_err("flash detection failed for BCM%x: %d\n", + bcm63xx_get_cpu_id(), flash_type); + return -ENODEV; + } +} diff --git a/arch/mips/bcm63xx/dev-hsspi.c b/arch/mips/bcm63xx/dev-hsspi.c new file mode 100644 index 00000000000..696abc48e3c --- /dev/null +++ b/arch/mips/bcm63xx/dev-hsspi.c @@ -0,0 +1,47 @@ +/* + * 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) 2012 Jonas Gorski <jonas.gorski@gmail.com> + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> + +#include <bcm63xx_cpu.h> +#include <bcm63xx_dev_hsspi.h> +#include <bcm63xx_regs.h> + +static struct resource spi_resources[] = { + { + .start = -1, /* filled at runtime */ + .end = -1, /* filled at runtime */ + .flags = IORESOURCE_MEM, + }, + { + .start = -1, /* filled at runtime */ + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device bcm63xx_hsspi_device = { + .name = "bcm63xx-hsspi", + .id = 0, + .num_resources = ARRAY_SIZE(spi_resources), + .resource = spi_resources, +}; + +int __init bcm63xx_hsspi_register(void) +{ + if (!BCMCPU_IS_6328() && !BCMCPU_IS_6362()) + return -ENODEV; + + spi_resources[0].start = bcm63xx_regset_address(RSET_HSSPI); + spi_resources[0].end = spi_resources[0].start; + spi_resources[0].end += RSET_HSSPI_SIZE - 1; + spi_resources[1].start = bcm63xx_get_irq_number(IRQ_HSSPI); + + return platform_device_register(&bcm63xx_hsspi_device); +} diff --git a/arch/mips/bcm63xx/dev-pcmcia.c b/arch/mips/bcm63xx/dev-pcmcia.c index de4d917fd54..a551bab5ecb 100644 --- a/arch/mips/bcm63xx/dev-pcmcia.c +++ b/arch/mips/bcm63xx/dev-pcmcia.c @@ -79,11 +79,11 @@ static int __init config_pcmcia_cs(unsigned int cs, return ret; } -static const __initdata struct { +static const struct { unsigned int cs; unsigned int base; unsigned int size; -} pcmcia_cs[3] = { +} pcmcia_cs[3] __initconst = { { .cs = MPI_CS_PCMCIA_COMMON, .base = BCM_PCMCIA_COMMON_BASE_PA, diff --git a/arch/mips/bcm63xx/dev-rng.c b/arch/mips/bcm63xx/dev-rng.c new file mode 100644 index 00000000000..d277b4dc6c6 --- /dev/null +++ b/arch/mips/bcm63xx/dev-rng.c @@ -0,0 +1,40 @@ +/* + * 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) 2011 Florian Fainelli <florian@openwrt.org> + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <bcm63xx_cpu.h> + +static struct resource rng_resources[] = { + { + .start = -1, /* filled at runtime */ + .end = -1, /* filled at runtime */ + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device bcm63xx_rng_device = { + .name = "bcm63xx-rng", + .id = -1, + .num_resources = ARRAY_SIZE(rng_resources), + .resource = rng_resources, +}; + +int __init bcm63xx_rng_register(void) +{ + if (!BCMCPU_IS_6368()) + return -ENODEV; + + rng_resources[0].start = bcm63xx_regset_address(RSET_RNG); + rng_resources[0].end = rng_resources[0].start; + rng_resources[0].end += RSET_RNG_SIZE - 1; + + return platform_device_register(&bcm63xx_rng_device); +} +arch_initcall(bcm63xx_rng_register); diff --git a/arch/mips/bcm63xx/dev-spi.c b/arch/mips/bcm63xx/dev-spi.c new file mode 100644 index 00000000000..d12daed749b --- /dev/null +++ b/arch/mips/bcm63xx/dev-spi.c @@ -0,0 +1,102 @@ +/* + * 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) 2009-2011 Florian Fainelli <florian@openwrt.org> + * Copyright (C) 2010 Tanguy Bouzeloc <tanguy.bouzeloc@efixo.com> + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/export.h> +#include <linux/platform_device.h> +#include <linux/err.h> +#include <linux/clk.h> + +#include <bcm63xx_cpu.h> +#include <bcm63xx_dev_spi.h> +#include <bcm63xx_regs.h> + +#ifdef BCMCPU_RUNTIME_DETECT +/* + * register offsets + */ +static const unsigned long bcm6348_regs_spi[] = { + __GEN_SPI_REGS_TABLE(6348) +}; + +static const unsigned long bcm6358_regs_spi[] = { + __GEN_SPI_REGS_TABLE(6358) +}; + +const unsigned long *bcm63xx_regs_spi; +EXPORT_SYMBOL(bcm63xx_regs_spi); + +static __init void bcm63xx_spi_regs_init(void) +{ + if (BCMCPU_IS_6338() || BCMCPU_IS_6348()) + bcm63xx_regs_spi = bcm6348_regs_spi; + if (BCMCPU_IS_3368() || BCMCPU_IS_6358() || + BCMCPU_IS_6362() || BCMCPU_IS_6368()) + bcm63xx_regs_spi = bcm6358_regs_spi; +} +#else +static __init void bcm63xx_spi_regs_init(void) { } +#endif + +static struct resource spi_resources[] = { + { + .start = -1, /* filled at runtime */ + .end = -1, /* filled at runtime */ + .flags = IORESOURCE_MEM, + }, + { + .start = -1, /* filled at runtime */ + .flags = IORESOURCE_IRQ, + }, +}; + +static struct bcm63xx_spi_pdata spi_pdata = { + .bus_num = 0, + .num_chipselect = 8, +}; + +static struct platform_device bcm63xx_spi_device = { + .name = "bcm63xx-spi", + .id = -1, + .num_resources = ARRAY_SIZE(spi_resources), + .resource = spi_resources, + .dev = { + .platform_data = &spi_pdata, + }, +}; + +int __init bcm63xx_spi_register(void) +{ + if (BCMCPU_IS_6328() || BCMCPU_IS_6345()) + return -ENODEV; + + spi_resources[0].start = bcm63xx_regset_address(RSET_SPI); + spi_resources[0].end = spi_resources[0].start; + spi_resources[1].start = bcm63xx_get_irq_number(IRQ_SPI); + + if (BCMCPU_IS_6338() || BCMCPU_IS_6348()) { + spi_resources[0].end += BCM_6348_RSET_SPI_SIZE - 1; + spi_pdata.fifo_size = SPI_6348_MSG_DATA_SIZE; + spi_pdata.msg_type_shift = SPI_6348_MSG_TYPE_SHIFT; + spi_pdata.msg_ctl_width = SPI_6348_MSG_CTL_WIDTH; + } + + if (BCMCPU_IS_3368() || BCMCPU_IS_6358() || BCMCPU_IS_6362() || + BCMCPU_IS_6368()) { + spi_resources[0].end += BCM_6358_RSET_SPI_SIZE - 1; + spi_pdata.fifo_size = SPI_6358_MSG_DATA_SIZE; + spi_pdata.msg_type_shift = SPI_6358_MSG_TYPE_SHIFT; + spi_pdata.msg_ctl_width = SPI_6358_MSG_CTL_WIDTH; + } + + bcm63xx_spi_regs_init(); + + return platform_device_register(&bcm63xx_spi_device); +} diff --git a/arch/mips/bcm63xx/dev-uart.c b/arch/mips/bcm63xx/dev-uart.c index c2963da0253..3bc7f3bfc9a 100644 --- a/arch/mips/bcm63xx/dev-uart.c +++ b/arch/mips/bcm63xx/dev-uart.c @@ -54,7 +54,8 @@ int __init bcm63xx_uart_register(unsigned int id) if (id >= ARRAY_SIZE(bcm63xx_uart_devices)) return -ENODEV; - if (id == 1 && !BCMCPU_IS_6358()) + if (id == 1 && (!BCMCPU_IS_3368() && !BCMCPU_IS_6358() && + !BCMCPU_IS_6368())) return -ENODEV; if (id == 0) { diff --git a/arch/mips/bcm63xx/dev-usb-usbd.c b/arch/mips/bcm63xx/dev-usb-usbd.c new file mode 100644 index 00000000000..508bd9d8df2 --- /dev/null +++ b/arch/mips/bcm63xx/dev-usb-usbd.c @@ -0,0 +1,65 @@ +/* + * 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@freebox.fr> + * Copyright (C) 2012 Kevin Cernekee <cernekee@gmail.com> + * Copyright (C) 2012 Broadcom Corporation + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/dma-mapping.h> +#include <bcm63xx_cpu.h> +#include <bcm63xx_dev_usb_usbd.h> + +#define NUM_MMIO 2 +#define NUM_IRQ 7 + +static struct resource usbd_resources[NUM_MMIO + NUM_IRQ]; + +static u64 usbd_dmamask = DMA_BIT_MASK(32); + +static struct platform_device bcm63xx_usbd_device = { + .name = "bcm63xx_udc", + .id = -1, + .num_resources = ARRAY_SIZE(usbd_resources), + .resource = usbd_resources, + .dev = { + .dma_mask = &usbd_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +int __init bcm63xx_usbd_register(const struct bcm63xx_usbd_platform_data *pd) +{ + const int irq_list[NUM_IRQ] = { IRQ_USBD, + IRQ_USBD_RXDMA0, IRQ_USBD_TXDMA0, + IRQ_USBD_RXDMA1, IRQ_USBD_TXDMA1, + IRQ_USBD_RXDMA2, IRQ_USBD_TXDMA2 }; + int i; + + if (!BCMCPU_IS_6328() && !BCMCPU_IS_6368()) + return 0; + + usbd_resources[0].start = bcm63xx_regset_address(RSET_USBD); + usbd_resources[0].end = usbd_resources[0].start + RSET_USBD_SIZE - 1; + usbd_resources[0].flags = IORESOURCE_MEM; + + usbd_resources[1].start = bcm63xx_regset_address(RSET_USBDMA); + usbd_resources[1].end = usbd_resources[1].start + RSET_USBDMA_SIZE - 1; + usbd_resources[1].flags = IORESOURCE_MEM; + + for (i = 0; i < NUM_IRQ; i++) { + struct resource *r = &usbd_resources[NUM_MMIO + i]; + + r->start = r->end = bcm63xx_get_irq_number(irq_list[i]); + r->flags = IORESOURCE_IRQ; + } + + platform_device_add_data(&bcm63xx_usbd_device, pd, sizeof(*pd)); + + return platform_device_register(&bcm63xx_usbd_device); +} diff --git a/arch/mips/bcm63xx/dev-wdt.c b/arch/mips/bcm63xx/dev-wdt.c index 3e6c716a4c1..2a2346a99bc 100644 --- a/arch/mips/bcm63xx/dev-wdt.c +++ b/arch/mips/bcm63xx/dev-wdt.c @@ -21,7 +21,7 @@ static struct resource wdt_resources[] = { static struct platform_device bcm63xx_wdt_device = { .name = "bcm63xx-wdt", - .id = 0, + .id = -1, .num_resources = ARRAY_SIZE(wdt_resources), .resource = wdt_resources, }; diff --git a/arch/mips/bcm63xx/early_printk.c b/arch/mips/bcm63xx/early_printk.c index bf353c937df..6092226a6d7 100644 --- a/arch/mips/bcm63xx/early_printk.c +++ b/arch/mips/bcm63xx/early_printk.c @@ -6,11 +6,10 @@ * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr> */ -#include <linux/init.h> #include <bcm63xx_io.h> -#include <bcm63xx_regs.h> +#include <linux/serial_bcm63xx.h> -static void __init wait_xfered(void) +static void wait_xfered(void) { unsigned int val; @@ -22,7 +21,7 @@ static void __init wait_xfered(void) } while (1); } -void __init prom_putchar(char c) +void prom_putchar(char c) { wait_xfered(); bcm_uart0_writel(c, UART_FIFO_REG); diff --git a/arch/mips/bcm63xx/gpio.c b/arch/mips/bcm63xx/gpio.c index f560fe7d38d..a6c2135dbf3 100644 --- a/arch/mips/bcm63xx/gpio.c +++ b/arch/mips/bcm63xx/gpio.c @@ -4,7 +4,7 @@ * for more details. * * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr> - * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org> + * Copyright (C) 2008-2011 Florian Fainelli <florian@openwrt.org> */ #include <linux/kernel.h> @@ -18,6 +18,34 @@ #include <bcm63xx_io.h> #include <bcm63xx_regs.h> +#ifndef BCMCPU_RUNTIME_DETECT +#define gpio_out_low_reg GPIO_DATA_LO_REG +#ifdef CONFIG_BCM63XX_CPU_6345 +#ifdef gpio_out_low_reg +#undef gpio_out_low_reg +#define gpio_out_low_reg GPIO_DATA_LO_REG_6345 +#endif /* gpio_out_low_reg */ +#endif /* CONFIG_BCM63XX_CPU_6345 */ + +static inline void bcm63xx_gpio_out_low_reg_init(void) +{ +} +#else /* ! BCMCPU_RUNTIME_DETECT */ +static u32 gpio_out_low_reg; + +static void bcm63xx_gpio_out_low_reg_init(void) +{ + switch (bcm63xx_get_cpu_id()) { + case BCM6345_CPU_ID: + gpio_out_low_reg = GPIO_DATA_LO_REG_6345; + break; + default: + gpio_out_low_reg = GPIO_DATA_LO_REG; + break; + } +} +#endif /* ! BCMCPU_RUNTIME_DETECT */ + static DEFINE_SPINLOCK(bcm63xx_gpio_lock); static u32 gpio_out_low, gpio_out_high; @@ -33,7 +61,7 @@ static void bcm63xx_gpio_set(struct gpio_chip *chip, BUG(); if (gpio < 32) { - reg = GPIO_DATA_LO_REG; + reg = gpio_out_low_reg; mask = 1 << gpio; v = &gpio_out_low; } else { @@ -60,7 +88,7 @@ static int bcm63xx_gpio_get(struct gpio_chip *chip, unsigned gpio) BUG(); if (gpio < 32) { - reg = GPIO_DATA_LO_REG; + reg = gpio_out_low_reg; mask = 1 << gpio; } else { reg = GPIO_DATA_HI_REG; @@ -125,8 +153,11 @@ static struct gpio_chip bcm63xx_gpio_chip = { int __init bcm63xx_gpio_init(void) { - gpio_out_low = bcm_gpio_readl(GPIO_DATA_LO_REG); - gpio_out_high = bcm_gpio_readl(GPIO_DATA_HI_REG); + bcm63xx_gpio_out_low_reg_init(); + + gpio_out_low = bcm_gpio_readl(gpio_out_low_reg); + if (!BCMCPU_IS_6345()) + gpio_out_high = bcm_gpio_readl(GPIO_DATA_HI_REG); bcm63xx_gpio_chip.ngpio = bcm63xx_gpio_count(); pr_info("registering %d GPIOs\n", bcm63xx_gpio_chip.ngpio); diff --git a/arch/mips/bcm63xx/irq.c b/arch/mips/bcm63xx/irq.c index 3be87f2422f..1525f8a3841 100644 --- a/arch/mips/bcm63xx/irq.c +++ b/arch/mips/bcm63xx/irq.c @@ -19,19 +19,251 @@ #include <bcm63xx_io.h> #include <bcm63xx_irq.h> +static void __dispatch_internal(void) __maybe_unused; +static void __dispatch_internal_64(void) __maybe_unused; +static void __internal_irq_mask_32(unsigned int irq) __maybe_unused; +static void __internal_irq_mask_64(unsigned int irq) __maybe_unused; +static void __internal_irq_unmask_32(unsigned int irq) __maybe_unused; +static void __internal_irq_unmask_64(unsigned int irq) __maybe_unused; + +#ifndef BCMCPU_RUNTIME_DETECT +#ifdef CONFIG_BCM63XX_CPU_3368 +#define irq_stat_reg PERF_IRQSTAT_3368_REG +#define irq_mask_reg PERF_IRQMASK_3368_REG +#define irq_bits 32 +#define is_ext_irq_cascaded 0 +#define ext_irq_start 0 +#define ext_irq_end 0 +#define ext_irq_count 4 +#define ext_irq_cfg_reg1 PERF_EXTIRQ_CFG_REG_3368 +#define ext_irq_cfg_reg2 0 +#endif +#ifdef CONFIG_BCM63XX_CPU_6328 +#define irq_stat_reg PERF_IRQSTAT_6328_REG +#define irq_mask_reg PERF_IRQMASK_6328_REG +#define irq_bits 64 +#define is_ext_irq_cascaded 1 +#define ext_irq_start (BCM_6328_EXT_IRQ0 - IRQ_INTERNAL_BASE) +#define ext_irq_end (BCM_6328_EXT_IRQ3 - IRQ_INTERNAL_BASE) +#define ext_irq_count 4 +#define ext_irq_cfg_reg1 PERF_EXTIRQ_CFG_REG_6328 +#define ext_irq_cfg_reg2 0 +#endif +#ifdef CONFIG_BCM63XX_CPU_6338 +#define irq_stat_reg PERF_IRQSTAT_6338_REG +#define irq_mask_reg PERF_IRQMASK_6338_REG +#define irq_bits 32 +#define is_ext_irq_cascaded 0 +#define ext_irq_start 0 +#define ext_irq_end 0 +#define ext_irq_count 4 +#define ext_irq_cfg_reg1 PERF_EXTIRQ_CFG_REG_6338 +#define ext_irq_cfg_reg2 0 +#endif +#ifdef CONFIG_BCM63XX_CPU_6345 +#define irq_stat_reg PERF_IRQSTAT_6345_REG +#define irq_mask_reg PERF_IRQMASK_6345_REG +#define irq_bits 32 +#define is_ext_irq_cascaded 0 +#define ext_irq_start 0 +#define ext_irq_end 0 +#define ext_irq_count 4 +#define ext_irq_cfg_reg1 PERF_EXTIRQ_CFG_REG_6345 +#define ext_irq_cfg_reg2 0 +#endif +#ifdef CONFIG_BCM63XX_CPU_6348 +#define irq_stat_reg PERF_IRQSTAT_6348_REG +#define irq_mask_reg PERF_IRQMASK_6348_REG +#define irq_bits 32 +#define is_ext_irq_cascaded 0 +#define ext_irq_start 0 +#define ext_irq_end 0 +#define ext_irq_count 4 +#define ext_irq_cfg_reg1 PERF_EXTIRQ_CFG_REG_6348 +#define ext_irq_cfg_reg2 0 +#endif +#ifdef CONFIG_BCM63XX_CPU_6358 +#define irq_stat_reg PERF_IRQSTAT_6358_REG +#define irq_mask_reg PERF_IRQMASK_6358_REG +#define irq_bits 32 +#define is_ext_irq_cascaded 1 +#define ext_irq_start (BCM_6358_EXT_IRQ0 - IRQ_INTERNAL_BASE) +#define ext_irq_end (BCM_6358_EXT_IRQ3 - IRQ_INTERNAL_BASE) +#define ext_irq_count 4 +#define ext_irq_cfg_reg1 PERF_EXTIRQ_CFG_REG_6358 +#define ext_irq_cfg_reg2 0 +#endif +#ifdef CONFIG_BCM63XX_CPU_6362 +#define irq_stat_reg PERF_IRQSTAT_6362_REG +#define irq_mask_reg PERF_IRQMASK_6362_REG +#define irq_bits 64 +#define is_ext_irq_cascaded 1 +#define ext_irq_start (BCM_6362_EXT_IRQ0 - IRQ_INTERNAL_BASE) +#define ext_irq_end (BCM_6362_EXT_IRQ3 - IRQ_INTERNAL_BASE) +#define ext_irq_count 4 +#define ext_irq_cfg_reg1 PERF_EXTIRQ_CFG_REG_6362 +#define ext_irq_cfg_reg2 0 +#endif +#ifdef CONFIG_BCM63XX_CPU_6368 +#define irq_stat_reg PERF_IRQSTAT_6368_REG +#define irq_mask_reg PERF_IRQMASK_6368_REG +#define irq_bits 64 +#define is_ext_irq_cascaded 1 +#define ext_irq_start (BCM_6368_EXT_IRQ0 - IRQ_INTERNAL_BASE) +#define ext_irq_end (BCM_6368_EXT_IRQ5 - IRQ_INTERNAL_BASE) +#define ext_irq_count 6 +#define ext_irq_cfg_reg1 PERF_EXTIRQ_CFG_REG_6368 +#define ext_irq_cfg_reg2 PERF_EXTIRQ_CFG_REG2_6368 +#endif + +#if irq_bits == 32 +#define dispatch_internal __dispatch_internal +#define internal_irq_mask __internal_irq_mask_32 +#define internal_irq_unmask __internal_irq_unmask_32 +#else +#define dispatch_internal __dispatch_internal_64 +#define internal_irq_mask __internal_irq_mask_64 +#define internal_irq_unmask __internal_irq_unmask_64 +#endif + +#define irq_stat_addr (bcm63xx_regset_address(RSET_PERF) + irq_stat_reg) +#define irq_mask_addr (bcm63xx_regset_address(RSET_PERF) + irq_mask_reg) + +static inline void bcm63xx_init_irq(void) +{ +} +#else /* ! BCMCPU_RUNTIME_DETECT */ + +static u32 irq_stat_addr, irq_mask_addr; +static void (*dispatch_internal)(void); +static int is_ext_irq_cascaded; +static unsigned int ext_irq_count; +static unsigned int ext_irq_start, ext_irq_end; +static unsigned int ext_irq_cfg_reg1, ext_irq_cfg_reg2; +static void (*internal_irq_mask)(unsigned int irq); +static void (*internal_irq_unmask)(unsigned int irq); + +static void bcm63xx_init_irq(void) +{ + int irq_bits; + + irq_stat_addr = bcm63xx_regset_address(RSET_PERF); + irq_mask_addr = bcm63xx_regset_address(RSET_PERF); + + switch (bcm63xx_get_cpu_id()) { + case BCM3368_CPU_ID: + irq_stat_addr += PERF_IRQSTAT_3368_REG; + irq_mask_addr += PERF_IRQMASK_3368_REG; + irq_bits = 32; + ext_irq_count = 4; + ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_3368; + break; + case BCM6328_CPU_ID: + irq_stat_addr += PERF_IRQSTAT_6328_REG; + irq_mask_addr += PERF_IRQMASK_6328_REG; + irq_bits = 64; + ext_irq_count = 4; + is_ext_irq_cascaded = 1; + ext_irq_start = BCM_6328_EXT_IRQ0 - IRQ_INTERNAL_BASE; + ext_irq_end = BCM_6328_EXT_IRQ3 - IRQ_INTERNAL_BASE; + ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6328; + break; + case BCM6338_CPU_ID: + irq_stat_addr += PERF_IRQSTAT_6338_REG; + irq_mask_addr += PERF_IRQMASK_6338_REG; + irq_bits = 32; + ext_irq_count = 4; + ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6338; + break; + case BCM6345_CPU_ID: + irq_stat_addr += PERF_IRQSTAT_6345_REG; + irq_mask_addr += PERF_IRQMASK_6345_REG; + irq_bits = 32; + ext_irq_count = 4; + ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6345; + break; + case BCM6348_CPU_ID: + irq_stat_addr += PERF_IRQSTAT_6348_REG; + irq_mask_addr += PERF_IRQMASK_6348_REG; + irq_bits = 32; + ext_irq_count = 4; + ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6348; + break; + case BCM6358_CPU_ID: + irq_stat_addr += PERF_IRQSTAT_6358_REG; + irq_mask_addr += PERF_IRQMASK_6358_REG; + irq_bits = 32; + ext_irq_count = 4; + is_ext_irq_cascaded = 1; + ext_irq_start = BCM_6358_EXT_IRQ0 - IRQ_INTERNAL_BASE; + ext_irq_end = BCM_6358_EXT_IRQ3 - IRQ_INTERNAL_BASE; + ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6358; + break; + case BCM6362_CPU_ID: + irq_stat_addr += PERF_IRQSTAT_6362_REG; + irq_mask_addr += PERF_IRQMASK_6362_REG; + irq_bits = 64; + ext_irq_count = 4; + is_ext_irq_cascaded = 1; + ext_irq_start = BCM_6362_EXT_IRQ0 - IRQ_INTERNAL_BASE; + ext_irq_end = BCM_6362_EXT_IRQ3 - IRQ_INTERNAL_BASE; + ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6362; + break; + case BCM6368_CPU_ID: + irq_stat_addr += PERF_IRQSTAT_6368_REG; + irq_mask_addr += PERF_IRQMASK_6368_REG; + irq_bits = 64; + ext_irq_count = 6; + is_ext_irq_cascaded = 1; + ext_irq_start = BCM_6368_EXT_IRQ0 - IRQ_INTERNAL_BASE; + ext_irq_end = BCM_6368_EXT_IRQ5 - IRQ_INTERNAL_BASE; + ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6368; + ext_irq_cfg_reg2 = PERF_EXTIRQ_CFG_REG2_6368; + break; + default: + BUG(); + } + + if (irq_bits == 32) { + dispatch_internal = __dispatch_internal; + internal_irq_mask = __internal_irq_mask_32; + internal_irq_unmask = __internal_irq_unmask_32; + } else { + dispatch_internal = __dispatch_internal_64; + internal_irq_mask = __internal_irq_mask_64; + internal_irq_unmask = __internal_irq_unmask_64; + } +} +#endif /* ! BCMCPU_RUNTIME_DETECT */ + +static inline u32 get_ext_irq_perf_reg(int irq) +{ + if (irq < 4) + return ext_irq_cfg_reg1; + return ext_irq_cfg_reg2; +} + +static inline void handle_internal(int intbit) +{ + if (is_ext_irq_cascaded && + intbit >= ext_irq_start && intbit <= ext_irq_end) + do_IRQ(intbit - ext_irq_start + IRQ_EXTERNAL_BASE); + else + do_IRQ(intbit + IRQ_INTERNAL_BASE); +} + /* * 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) +static void __dispatch_internal(void) { u32 pending; static int i; - pending = bcm_perf_readl(PERF_IRQMASK_REG) & - bcm_perf_readl(PERF_IRQSTAT_REG); + pending = bcm_readl(irq_stat_addr) & bcm_readl(irq_mask_addr); if (!pending) return ; @@ -41,7 +273,28 @@ static void bcm63xx_irq_dispatch_internal(void) i = (i + 1) & 0x1f; if (pending & (1 << to_call)) { - do_IRQ(to_call + IRQ_INTERNAL_BASE); + handle_internal(to_call); + break; + } + } +} + +static void __dispatch_internal_64(void) +{ + u64 pending; + static int i; + + pending = bcm_readq(irq_stat_addr) & bcm_readq(irq_mask_addr); + + if (!pending) + return ; + + while (1) { + int to_call = i; + + i = (i + 1) & 0x3f; + if (pending & (1ull << to_call)) { + handle_internal(to_call); break; } } @@ -59,16 +312,22 @@ asmlinkage void plat_irq_dispatch(void) if (cause & CAUSEF_IP7) do_IRQ(7); + if (cause & CAUSEF_IP0) + do_IRQ(0); + if (cause & CAUSEF_IP1) + do_IRQ(1); 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); + dispatch_internal(); + if (!is_ext_irq_cascaded) { + 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); } @@ -76,179 +335,249 @@ asmlinkage void plat_irq_dispatch(void) * internal IRQs operations: only mask/unmask on PERF irq mask * register. */ -static inline void bcm63xx_internal_irq_mask(unsigned int irq) +static void __internal_irq_mask_32(unsigned int irq) { u32 mask; - irq -= IRQ_INTERNAL_BASE; - mask = bcm_perf_readl(PERF_IRQMASK_REG); + mask = bcm_readl(irq_mask_addr); mask &= ~(1 << irq); - bcm_perf_writel(mask, PERF_IRQMASK_REG); + bcm_writel(mask, irq_mask_addr); +} + +static void __internal_irq_mask_64(unsigned int irq) +{ + u64 mask; + + mask = bcm_readq(irq_mask_addr); + mask &= ~(1ull << irq); + bcm_writeq(mask, irq_mask_addr); } -static void bcm63xx_internal_irq_unmask(unsigned int irq) +static void __internal_irq_unmask_32(unsigned int irq) { u32 mask; - irq -= IRQ_INTERNAL_BASE; - mask = bcm_perf_readl(PERF_IRQMASK_REG); + mask = bcm_readl(irq_mask_addr); mask |= (1 << irq); - bcm_perf_writel(mask, PERF_IRQMASK_REG); + bcm_writel(mask, irq_mask_addr); +} + +static void __internal_irq_unmask_64(unsigned int irq) +{ + u64 mask; + + mask = bcm_readq(irq_mask_addr); + mask |= (1ull << irq); + bcm_writeq(mask, irq_mask_addr); } -static unsigned int bcm63xx_internal_irq_startup(unsigned int irq) +static void bcm63xx_internal_irq_mask(struct irq_data *d) { - bcm63xx_internal_irq_unmask(irq); - return 0; + internal_irq_mask(d->irq - IRQ_INTERNAL_BASE); +} + +static void bcm63xx_internal_irq_unmask(struct irq_data *d) +{ + internal_irq_unmask(d->irq - IRQ_INTERNAL_BASE); } /* * external IRQs operations: mask/unmask and clear on PERF external * irq control register. */ -static void bcm63xx_external_irq_mask(unsigned int irq) +static void bcm63xx_external_irq_mask(struct irq_data *d) { - u32 reg; + unsigned int irq = d->irq - IRQ_EXTERNAL_BASE; + u32 reg, regaddr; - 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); -} + regaddr = get_ext_irq_perf_reg(irq); + reg = bcm_perf_readl(regaddr); -static void bcm63xx_external_irq_unmask(unsigned int irq) -{ - u32 reg; + if (BCMCPU_IS_6348()) + reg &= ~EXTIRQ_CFG_MASK_6348(irq % 4); + else + reg &= ~EXTIRQ_CFG_MASK(irq % 4); - 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); + bcm_perf_writel(reg, regaddr); + if (is_ext_irq_cascaded) + internal_irq_mask(irq + ext_irq_start); } -static void bcm63xx_external_irq_clear(unsigned int irq) +static void bcm63xx_external_irq_unmask(struct irq_data *d) { - u32 reg; + unsigned int irq = d->irq - IRQ_EXTERNAL_BASE; + u32 reg, regaddr; - 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); -} + regaddr = get_ext_irq_perf_reg(irq); + reg = bcm_perf_readl(regaddr); -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; + if (BCMCPU_IS_6348()) + reg |= EXTIRQ_CFG_MASK_6348(irq % 4); + else + reg |= EXTIRQ_CFG_MASK(irq % 4); + + bcm_perf_writel(reg, regaddr); + + if (is_ext_irq_cascaded) + internal_irq_unmask(irq + ext_irq_start); } -static void bcm63xx_external_irq_shutdown(unsigned int irq) +static void bcm63xx_external_irq_clear(struct irq_data *d) { - bcm63xx_external_irq_mask(irq); - clear_c0_status(0x100 << (irq - IRQ_MIPS_BASE)); - irq_disable_hazard(); + unsigned int irq = d->irq - IRQ_EXTERNAL_BASE; + u32 reg, regaddr; + + regaddr = get_ext_irq_perf_reg(irq); + reg = bcm_perf_readl(regaddr); + + if (BCMCPU_IS_6348()) + reg |= EXTIRQ_CFG_CLEAR_6348(irq % 4); + else + reg |= EXTIRQ_CFG_CLEAR(irq % 4); + + bcm_perf_writel(reg, regaddr); } -static int bcm63xx_external_irq_set_type(unsigned int irq, +static int bcm63xx_external_irq_set_type(struct irq_data *d, unsigned int flow_type) { - u32 reg; - struct irq_desc *desc = irq_desc + irq; - - irq -= IRQ_EXT_BASE; + unsigned int irq = d->irq - IRQ_EXTERNAL_BASE; + u32 reg, regaddr; + int levelsense, sense, bothedge; 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); + levelsense = sense = bothedge = 0; switch (flow_type) { case IRQ_TYPE_EDGE_BOTH: - reg &= ~EXTIRQ_CFG_LEVELSENSE(irq); - reg |= EXTIRQ_CFG_BOTHEDGE(irq); + bothedge = 1; break; case IRQ_TYPE_EDGE_RISING: - reg &= ~EXTIRQ_CFG_LEVELSENSE(irq); - reg |= EXTIRQ_CFG_SENSE(irq); - reg &= ~EXTIRQ_CFG_BOTHEDGE(irq); + sense = 1; 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); + levelsense = 1; + sense = 1; break; case IRQ_TYPE_LEVEL_LOW: - reg |= EXTIRQ_CFG_LEVELSENSE(irq); - reg &= ~EXTIRQ_CFG_SENSE(irq); + levelsense = 1; 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; + regaddr = get_ext_irq_perf_reg(irq); + reg = bcm_perf_readl(regaddr); + irq %= 4; + + switch (bcm63xx_get_cpu_id()) { + case BCM6348_CPU_ID: + if (levelsense) + reg |= EXTIRQ_CFG_LEVELSENSE_6348(irq); + else + reg &= ~EXTIRQ_CFG_LEVELSENSE_6348(irq); + if (sense) + reg |= EXTIRQ_CFG_SENSE_6348(irq); + else + reg &= ~EXTIRQ_CFG_SENSE_6348(irq); + if (bothedge) + reg |= EXTIRQ_CFG_BOTHEDGE_6348(irq); + else + reg &= ~EXTIRQ_CFG_BOTHEDGE_6348(irq); + break; + + case BCM3368_CPU_ID: + case BCM6328_CPU_ID: + case BCM6338_CPU_ID: + case BCM6345_CPU_ID: + case BCM6358_CPU_ID: + case BCM6362_CPU_ID: + case BCM6368_CPU_ID: + if (levelsense) + reg |= EXTIRQ_CFG_LEVELSENSE(irq); + else + reg &= ~EXTIRQ_CFG_LEVELSENSE(irq); + if (sense) + reg |= EXTIRQ_CFG_SENSE(irq); + else + reg &= ~EXTIRQ_CFG_SENSE(irq); + if (bothedge) + reg |= EXTIRQ_CFG_BOTHEDGE(irq); + else + reg &= ~EXTIRQ_CFG_BOTHEDGE(irq); + break; + default: + BUG(); } - return 0; + bcm_perf_writel(reg, regaddr); + + irqd_set_trigger_type(d, flow_type); + if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) + __irq_set_handler_locked(d->irq, handle_level_irq); + else + __irq_set_handler_locked(d->irq, handle_edge_irq); + + return IRQ_SET_MASK_OK_NOCOPY; } 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, + .irq_mask = bcm63xx_internal_irq_mask, + .irq_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, + .irq_ack = bcm63xx_external_irq_clear, - .ack = bcm63xx_external_irq_clear, + .irq_mask = bcm63xx_external_irq_mask, + .irq_unmask = bcm63xx_external_irq_unmask, - .mask = bcm63xx_external_irq_mask, - .unmask = bcm63xx_external_irq_unmask, - - .set_type = bcm63xx_external_irq_set_type, + .irq_set_type = bcm63xx_external_irq_set_type, }; static struct irqaction cpu_ip2_cascade_action = { .handler = no_action, .name = "cascade_ip2", + .flags = IRQF_NO_THREAD, +}; + +static struct irqaction cpu_ext_cascade_action = { + .handler = no_action, + .name = "cascade_extirq", + .flags = IRQF_NO_THREAD, }; void __init arch_init_irq(void) { int i; + bcm63xx_init_irq(); mips_cpu_irq_init(); for (i = IRQ_INTERNAL_BASE; i < NR_IRQS; ++i) - set_irq_chip_and_handler(i, &bcm63xx_internal_irq_chip, + irq_set_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, + for (i = IRQ_EXTERNAL_BASE; i < IRQ_EXTERNAL_BASE + ext_irq_count; ++i) + irq_set_chip_and_handler(i, &bcm63xx_external_irq_chip, handle_edge_irq); - setup_irq(IRQ_MIPS_BASE + 2, &cpu_ip2_cascade_action); + if (!is_ext_irq_cascaded) { + for (i = 3; i < 3 + ext_irq_count; ++i) + setup_irq(MIPS_CPU_IRQ_BASE + i, &cpu_ext_cascade_action); + } + + setup_irq(MIPS_CPU_IRQ_BASE + 2, &cpu_ip2_cascade_action); } diff --git a/arch/mips/bcm63xx/nvram.c b/arch/mips/bcm63xx/nvram.c new file mode 100644 index 00000000000..4b50d40f745 --- /dev/null +++ b/arch/mips/bcm63xx/nvram.c @@ -0,0 +1,127 @@ +/* + * 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@freebox.fr> + * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org> + * Copyright (C) 2012 Jonas Gorski <jonas.gorski@gmail.com> + */ + +#define pr_fmt(fmt) "bcm63xx_nvram: " fmt + +#include <linux/init.h> +#include <linux/crc32.h> +#include <linux/export.h> +#include <linux/kernel.h> +#include <linux/if_ether.h> + +#include <bcm63xx_nvram.h> + +/* + * nvram structure + */ +struct bcm963xx_nvram { + u32 version; + u8 reserved1[256]; + u8 name[16]; + u32 main_tp_number; + u32 psi_size; + u32 mac_addr_count; + u8 mac_addr_base[ETH_ALEN]; + u8 reserved2[2]; + u32 checksum_old; + u8 reserved3[720]; + u32 checksum_high; +}; + +#define BCM63XX_DEFAULT_PSI_SIZE 64 + +static struct bcm963xx_nvram nvram; +static int mac_addr_used; + +void __init bcm63xx_nvram_init(void *addr) +{ + unsigned int check_len; + u32 crc, expected_crc; + u8 hcs_mac_addr[ETH_ALEN] = { 0x00, 0x10, 0x18, 0xff, 0xff, 0xff }; + + /* extract nvram data */ + memcpy(&nvram, addr, sizeof(nvram)); + + /* check checksum before using data */ + if (nvram.version <= 4) { + check_len = offsetof(struct bcm963xx_nvram, reserved3); + expected_crc = nvram.checksum_old; + nvram.checksum_old = 0; + } else { + check_len = sizeof(nvram); + expected_crc = nvram.checksum_high; + nvram.checksum_high = 0; + } + + crc = crc32_le(~0, (u8 *)&nvram, check_len); + + if (crc != expected_crc) + pr_warn("nvram checksum failed, contents may be invalid (expected %08x, got %08x)\n", + expected_crc, crc); + + /* Cable modems have a different NVRAM which is embedded in the eCos + * firmware and not easily extractible, give at least a MAC address + * pool. + */ + if (BCMCPU_IS_3368()) { + memcpy(nvram.mac_addr_base, hcs_mac_addr, ETH_ALEN); + nvram.mac_addr_count = 2; + } +} + +u8 *bcm63xx_nvram_get_name(void) +{ + return nvram.name; +} +EXPORT_SYMBOL(bcm63xx_nvram_get_name); + +int bcm63xx_nvram_get_mac_address(u8 *mac) +{ + u8 *oui; + int count; + + if (mac_addr_used >= nvram.mac_addr_count) { + pr_err("not enough mac addresses\n"); + return -ENODEV; + } + + memcpy(mac, nvram.mac_addr_base, ETH_ALEN); + oui = mac + ETH_ALEN/2 - 1; + count = mac_addr_used; + + while (count--) { + u8 *p = mac + ETH_ALEN - 1; + + do { + (*p)++; + if (*p != 0) + break; + p--; + } while (p != oui); + + if (p == oui) { + pr_err("unable to fetch mac address\n"); + return -ENODEV; + } + } + + mac_addr_used++; + return 0; +} +EXPORT_SYMBOL(bcm63xx_nvram_get_mac_address); + +int bcm63xx_nvram_get_psi_size(void) +{ + if (nvram.psi_size > 0) + return nvram.psi_size; + + return BCM63XX_DEFAULT_PSI_SIZE; +} +EXPORT_SYMBOL(bcm63xx_nvram_get_psi_size); diff --git a/arch/mips/bcm63xx/prom.c b/arch/mips/bcm63xx/prom.c index be252efa075..e1f27d653f6 100644 --- a/arch/mips/bcm63xx/prom.c +++ b/arch/mips/bcm63xx/prom.c @@ -8,7 +8,11 @@ #include <linux/init.h> #include <linux/bootmem.h> +#include <linux/smp.h> #include <asm/bootinfo.h> +#include <asm/bmips.h> +#include <asm/smp-ops.h> +#include <asm/mipsregs.h> #include <bcm63xx_board.h> #include <bcm63xx_cpu.h> #include <bcm63xx_io.h> @@ -26,15 +30,24 @@ void __init prom_init(void) bcm_wdt_writel(WDT_STOP_2, WDT_CTL_REG); /* disable all hardware blocks clock for now */ - if (BCMCPU_IS_6338()) + if (BCMCPU_IS_3368()) + mask = CKCTL_3368_ALL_SAFE_EN; + else if (BCMCPU_IS_6328()) + mask = CKCTL_6328_ALL_SAFE_EN; + else if (BCMCPU_IS_6338()) mask = CKCTL_6338_ALL_SAFE_EN; else if (BCMCPU_IS_6345()) mask = CKCTL_6345_ALL_SAFE_EN; else if (BCMCPU_IS_6348()) mask = CKCTL_6348_ALL_SAFE_EN; - else - /* BCMCPU_IS_6358() */ + else if (BCMCPU_IS_6358()) mask = CKCTL_6358_ALL_SAFE_EN; + else if (BCMCPU_IS_6362()) + mask = CKCTL_6362_ALL_SAFE_EN; + else if (BCMCPU_IS_6368()) + mask = CKCTL_6368_ALL_SAFE_EN; + else + mask = 0; reg = bcm_perf_readl(PERF_CKCTL_REG); reg &= ~mask; @@ -45,6 +58,45 @@ void __init prom_init(void) /* do low level board init */ board_prom_init(); + + /* set up SMP */ + if (!register_bmips_smp_ops()) { + /* + * BCM6328 might not have its second CPU enabled, while BCM3368 + * and BCM6358 need special handling for their shared TLB, so + * disable SMP for now. + */ + if (BCMCPU_IS_6328()) { + reg = bcm_readl(BCM_6328_OTP_BASE + + OTP_USER_BITS_6328_REG(3)); + + if (reg & OTP_6328_REG3_TP1_DISABLED) + bmips_smp_enabled = 0; + } else if (BCMCPU_IS_3368() || BCMCPU_IS_6358()) { + bmips_smp_enabled = 0; + } + + if (!bmips_smp_enabled) + return; + + /* + * The bootloader has set up the CPU1 reset vector at + * 0xa000_0200. + * This conflicts with the special interrupt vector (IV). + * The bootloader has also set up CPU1 to respond to the wrong + * IPI interrupt. + * Here we will start up CPU1 in the background and ask it to + * reconfigure itself then go back to sleep. + */ + memcpy((void *)0xa0000200, &bmips_smp_movevec, 0x20); + __sync(); + set_c0_cause(C_SW0); + cpumask_set_cpu(1, &bmips_booted_mask); + + /* + * FIXME: we really should have some sort of hazard barrier here + */ + } } void __init prom_free_prom_memory(void) diff --git a/arch/mips/bcm63xx/reset.c b/arch/mips/bcm63xx/reset.c new file mode 100644 index 00000000000..acbeb1fe7c5 --- /dev/null +++ b/arch/mips/bcm63xx/reset.c @@ -0,0 +1,278 @@ +/* + * 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) 2012 Jonas Gorski <jonas.gorski@gmail.com> + */ + +#include <linux/module.h> +#include <linux/mutex.h> +#include <linux/err.h> +#include <linux/clk.h> +#include <linux/delay.h> +#include <bcm63xx_cpu.h> +#include <bcm63xx_io.h> +#include <bcm63xx_regs.h> +#include <bcm63xx_reset.h> + +#define __GEN_RESET_BITS_TABLE(__cpu) \ + [BCM63XX_RESET_SPI] = BCM## __cpu ##_RESET_SPI, \ + [BCM63XX_RESET_ENET] = BCM## __cpu ##_RESET_ENET, \ + [BCM63XX_RESET_USBH] = BCM## __cpu ##_RESET_USBH, \ + [BCM63XX_RESET_USBD] = BCM## __cpu ##_RESET_USBD, \ + [BCM63XX_RESET_DSL] = BCM## __cpu ##_RESET_DSL, \ + [BCM63XX_RESET_SAR] = BCM## __cpu ##_RESET_SAR, \ + [BCM63XX_RESET_EPHY] = BCM## __cpu ##_RESET_EPHY, \ + [BCM63XX_RESET_ENETSW] = BCM## __cpu ##_RESET_ENETSW, \ + [BCM63XX_RESET_PCM] = BCM## __cpu ##_RESET_PCM, \ + [BCM63XX_RESET_MPI] = BCM## __cpu ##_RESET_MPI, \ + [BCM63XX_RESET_PCIE] = BCM## __cpu ##_RESET_PCIE, \ + [BCM63XX_RESET_PCIE_EXT] = BCM## __cpu ##_RESET_PCIE_EXT, + +#define BCM3368_RESET_SPI SOFTRESET_3368_SPI_MASK +#define BCM3368_RESET_ENET SOFTRESET_3368_ENET_MASK +#define BCM3368_RESET_USBH 0 +#define BCM3368_RESET_USBD SOFTRESET_3368_USBS_MASK +#define BCM3368_RESET_DSL 0 +#define BCM3368_RESET_SAR 0 +#define BCM3368_RESET_EPHY SOFTRESET_3368_EPHY_MASK +#define BCM3368_RESET_ENETSW 0 +#define BCM3368_RESET_PCM SOFTRESET_3368_PCM_MASK +#define BCM3368_RESET_MPI SOFTRESET_3368_MPI_MASK +#define BCM3368_RESET_PCIE 0 +#define BCM3368_RESET_PCIE_EXT 0 + +#define BCM6328_RESET_SPI SOFTRESET_6328_SPI_MASK +#define BCM6328_RESET_ENET 0 +#define BCM6328_RESET_USBH SOFTRESET_6328_USBH_MASK +#define BCM6328_RESET_USBD SOFTRESET_6328_USBS_MASK +#define BCM6328_RESET_DSL 0 +#define BCM6328_RESET_SAR SOFTRESET_6328_SAR_MASK +#define BCM6328_RESET_EPHY SOFTRESET_6328_EPHY_MASK +#define BCM6328_RESET_ENETSW SOFTRESET_6328_ENETSW_MASK +#define BCM6328_RESET_PCM SOFTRESET_6328_PCM_MASK +#define BCM6328_RESET_MPI 0 +#define BCM6328_RESET_PCIE \ + (SOFTRESET_6328_PCIE_MASK | \ + SOFTRESET_6328_PCIE_CORE_MASK | \ + SOFTRESET_6328_PCIE_HARD_MASK) +#define BCM6328_RESET_PCIE_EXT SOFTRESET_6328_PCIE_EXT_MASK + +#define BCM6338_RESET_SPI SOFTRESET_6338_SPI_MASK +#define BCM6338_RESET_ENET SOFTRESET_6338_ENET_MASK +#define BCM6338_RESET_USBH SOFTRESET_6338_USBH_MASK +#define BCM6338_RESET_USBD SOFTRESET_6338_USBS_MASK +#define BCM6338_RESET_DSL SOFTRESET_6338_ADSL_MASK +#define BCM6338_RESET_SAR SOFTRESET_6338_SAR_MASK +#define BCM6338_RESET_EPHY 0 +#define BCM6338_RESET_ENETSW 0 +#define BCM6338_RESET_PCM 0 +#define BCM6338_RESET_MPI 0 +#define BCM6338_RESET_PCIE 0 +#define BCM6338_RESET_PCIE_EXT 0 + +#define BCM6348_RESET_SPI SOFTRESET_6348_SPI_MASK +#define BCM6348_RESET_ENET SOFTRESET_6348_ENET_MASK +#define BCM6348_RESET_USBH SOFTRESET_6348_USBH_MASK +#define BCM6348_RESET_USBD SOFTRESET_6348_USBS_MASK +#define BCM6348_RESET_DSL SOFTRESET_6348_ADSL_MASK +#define BCM6348_RESET_SAR SOFTRESET_6348_SAR_MASK +#define BCM6348_RESET_EPHY 0 +#define BCM6348_RESET_ENETSW 0 +#define BCM6348_RESET_PCM 0 +#define BCM6348_RESET_MPI 0 +#define BCM6348_RESET_PCIE 0 +#define BCM6348_RESET_PCIE_EXT 0 + +#define BCM6358_RESET_SPI SOFTRESET_6358_SPI_MASK +#define BCM6358_RESET_ENET SOFTRESET_6358_ENET_MASK +#define BCM6358_RESET_USBH SOFTRESET_6358_USBH_MASK +#define BCM6358_RESET_USBD 0 +#define BCM6358_RESET_DSL SOFTRESET_6358_ADSL_MASK +#define BCM6358_RESET_SAR SOFTRESET_6358_SAR_MASK +#define BCM6358_RESET_EPHY SOFTRESET_6358_EPHY_MASK +#define BCM6358_RESET_ENETSW 0 +#define BCM6358_RESET_PCM SOFTRESET_6358_PCM_MASK +#define BCM6358_RESET_MPI SOFTRESET_6358_MPI_MASK +#define BCM6358_RESET_PCIE 0 +#define BCM6358_RESET_PCIE_EXT 0 + +#define BCM6362_RESET_SPI SOFTRESET_6362_SPI_MASK +#define BCM6362_RESET_ENET 0 +#define BCM6362_RESET_USBH SOFTRESET_6362_USBH_MASK +#define BCM6362_RESET_USBD SOFTRESET_6362_USBS_MASK +#define BCM6362_RESET_DSL 0 +#define BCM6362_RESET_SAR SOFTRESET_6362_SAR_MASK +#define BCM6362_RESET_EPHY SOFTRESET_6362_EPHY_MASK +#define BCM6362_RESET_ENETSW SOFTRESET_6362_ENETSW_MASK +#define BCM6362_RESET_PCM SOFTRESET_6362_PCM_MASK +#define BCM6362_RESET_MPI 0 +#define BCM6362_RESET_PCIE (SOFTRESET_6362_PCIE_MASK | \ + SOFTRESET_6362_PCIE_CORE_MASK) +#define BCM6362_RESET_PCIE_EXT SOFTRESET_6362_PCIE_EXT_MASK + +#define BCM6368_RESET_SPI SOFTRESET_6368_SPI_MASK +#define BCM6368_RESET_ENET 0 +#define BCM6368_RESET_USBH SOFTRESET_6368_USBH_MASK +#define BCM6368_RESET_USBD SOFTRESET_6368_USBS_MASK +#define BCM6368_RESET_DSL 0 +#define BCM6368_RESET_SAR SOFTRESET_6368_SAR_MASK +#define BCM6368_RESET_EPHY SOFTRESET_6368_EPHY_MASK +#define BCM6368_RESET_ENETSW 0 +#define BCM6368_RESET_PCM SOFTRESET_6368_PCM_MASK +#define BCM6368_RESET_MPI SOFTRESET_6368_MPI_MASK +#define BCM6368_RESET_PCIE 0 +#define BCM6368_RESET_PCIE_EXT 0 + +#ifdef BCMCPU_RUNTIME_DETECT + +/* + * core reset bits + */ +static const u32 bcm3368_reset_bits[] = { + __GEN_RESET_BITS_TABLE(3368) +}; + +static const u32 bcm6328_reset_bits[] = { + __GEN_RESET_BITS_TABLE(6328) +}; + +static const u32 bcm6338_reset_bits[] = { + __GEN_RESET_BITS_TABLE(6338) +}; + +static const u32 bcm6348_reset_bits[] = { + __GEN_RESET_BITS_TABLE(6348) +}; + +static const u32 bcm6358_reset_bits[] = { + __GEN_RESET_BITS_TABLE(6358) +}; + +static const u32 bcm6362_reset_bits[] = { + __GEN_RESET_BITS_TABLE(6362) +}; + +static const u32 bcm6368_reset_bits[] = { + __GEN_RESET_BITS_TABLE(6368) +}; + +const u32 *bcm63xx_reset_bits; +static int reset_reg; + +static int __init bcm63xx_reset_bits_init(void) +{ + if (BCMCPU_IS_3368()) { + reset_reg = PERF_SOFTRESET_6358_REG; + bcm63xx_reset_bits = bcm3368_reset_bits; + } else if (BCMCPU_IS_6328()) { + reset_reg = PERF_SOFTRESET_6328_REG; + bcm63xx_reset_bits = bcm6328_reset_bits; + } else if (BCMCPU_IS_6338()) { + reset_reg = PERF_SOFTRESET_REG; + bcm63xx_reset_bits = bcm6338_reset_bits; + } else if (BCMCPU_IS_6348()) { + reset_reg = PERF_SOFTRESET_REG; + bcm63xx_reset_bits = bcm6348_reset_bits; + } else if (BCMCPU_IS_6358()) { + reset_reg = PERF_SOFTRESET_6358_REG; + bcm63xx_reset_bits = bcm6358_reset_bits; + } else if (BCMCPU_IS_6362()) { + reset_reg = PERF_SOFTRESET_6362_REG; + bcm63xx_reset_bits = bcm6362_reset_bits; + } else if (BCMCPU_IS_6368()) { + reset_reg = PERF_SOFTRESET_6368_REG; + bcm63xx_reset_bits = bcm6368_reset_bits; + } + + return 0; +} +#else + +#ifdef CONFIG_BCM63XX_CPU_3368 +static const u32 bcm63xx_reset_bits[] = { + __GEN_RESET_BITS_TABLE(3368) +}; +#define reset_reg PERF_SOFTRESET_6358_REG +#endif + +#ifdef CONFIG_BCM63XX_CPU_6328 +static const u32 bcm63xx_reset_bits[] = { + __GEN_RESET_BITS_TABLE(6328) +}; +#define reset_reg PERF_SOFTRESET_6328_REG +#endif + +#ifdef CONFIG_BCM63XX_CPU_6338 +static const u32 bcm63xx_reset_bits[] = { + __GEN_RESET_BITS_TABLE(6338) +}; +#define reset_reg PERF_SOFTRESET_REG +#endif + +#ifdef CONFIG_BCM63XX_CPU_6345 +static const u32 bcm63xx_reset_bits[] = { }; +#define reset_reg 0 +#endif + +#ifdef CONFIG_BCM63XX_CPU_6348 +static const u32 bcm63xx_reset_bits[] = { + __GEN_RESET_BITS_TABLE(6348) +}; +#define reset_reg PERF_SOFTRESET_REG +#endif + +#ifdef CONFIG_BCM63XX_CPU_6358 +static const u32 bcm63xx_reset_bits[] = { + __GEN_RESET_BITS_TABLE(6358) +}; +#define reset_reg PERF_SOFTRESET_6358_REG +#endif + +#ifdef CONFIG_BCM63XX_CPU_6362 +static const u32 bcm63xx_reset_bits[] = { + __GEN_RESET_BITS_TABLE(6362) +}; +#define reset_reg PERF_SOFTRESET_6362_REG +#endif + +#ifdef CONFIG_BCM63XX_CPU_6368 +static const u32 bcm63xx_reset_bits[] = { + __GEN_RESET_BITS_TABLE(6368) +}; +#define reset_reg PERF_SOFTRESET_6368_REG +#endif + +static int __init bcm63xx_reset_bits_init(void) { return 0; } +#endif + +static DEFINE_SPINLOCK(reset_mutex); + +static void __bcm63xx_core_set_reset(u32 mask, int enable) +{ + unsigned long flags; + u32 val; + + if (!mask) + return; + + spin_lock_irqsave(&reset_mutex, flags); + val = bcm_perf_readl(reset_reg); + + if (enable) + val &= ~mask; + else + val |= mask; + + bcm_perf_writel(val, reset_reg); + spin_unlock_irqrestore(&reset_mutex, flags); +} + +void bcm63xx_core_set_reset(enum bcm63xx_core_reset core, int reset) +{ + __bcm63xx_core_set_reset(bcm63xx_reset_bits[core], reset); +} +EXPORT_SYMBOL(bcm63xx_core_set_reset); + +postcore_initcall(bcm63xx_reset_bits_init); diff --git a/arch/mips/bcm63xx/setup.c b/arch/mips/bcm63xx/setup.c index d0056598fbf..6660c7ddf87 100644 --- a/arch/mips/bcm63xx/setup.c +++ b/arch/mips/bcm63xx/setup.c @@ -33,7 +33,7 @@ static void bcm6348_a1_reboot(void) u32 reg; /* soft reset all blocks */ - printk(KERN_INFO "soft-reseting all blocks ...\n"); + printk(KERN_INFO "soft-resetting all blocks ...\n"); reg = bcm_perf_readl(PERF_SOFTRESET_REG); reg &= ~SOFTRESET_6348_ALL; bcm_perf_writel(reg, PERF_SOFTRESET_REG); @@ -63,21 +63,60 @@ static void bcm6348_a1_reboot(void) void bcm63xx_machine_reboot(void) { - u32 reg; + u32 reg, perf_regs[2] = { 0, 0 }; + unsigned int i; /* 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); + switch (bcm63xx_get_cpu_id()) { + case BCM3368_CPU_ID: + perf_regs[0] = PERF_EXTIRQ_CFG_REG_3368; + break; + case BCM6328_CPU_ID: + perf_regs[0] = PERF_EXTIRQ_CFG_REG_6328; + break; + case BCM6338_CPU_ID: + perf_regs[0] = PERF_EXTIRQ_CFG_REG_6338; + break; + case BCM6345_CPU_ID: + perf_regs[0] = PERF_EXTIRQ_CFG_REG_6345; + break; + case BCM6348_CPU_ID: + perf_regs[0] = PERF_EXTIRQ_CFG_REG_6348; + break; + case BCM6358_CPU_ID: + perf_regs[0] = PERF_EXTIRQ_CFG_REG_6358; + break; + case BCM6362_CPU_ID: + perf_regs[0] = PERF_EXTIRQ_CFG_REG_6362; + break; + } + + for (i = 0; i < 2; i++) { + if (!perf_regs[i]) + break; + + reg = bcm_perf_readl(perf_regs[i]); + if (BCMCPU_IS_6348()) { + reg &= ~EXTIRQ_CFG_MASK_ALL_6348; + reg |= EXTIRQ_CFG_CLEAR_ALL_6348; + } else { + reg &= ~EXTIRQ_CFG_MASK_ALL; + reg |= EXTIRQ_CFG_CLEAR_ALL; + } + bcm_perf_writel(reg, perf_regs[i]); + } if (BCMCPU_IS_6348() && (bcm63xx_get_cpu_rev() == 0xa1)) bcm6348_a1_reboot(); printk(KERN_INFO "triggering watchdog soft-reset...\n"); - reg = bcm_perf_readl(PERF_SYS_PLL_CTL_REG); - reg |= SYS_PLL_SOFT_RESET; - bcm_perf_writel(reg, PERF_SYS_PLL_CTL_REG); + if (BCMCPU_IS_6328()) { + bcm_wdt_writel(1, WDT_SOFTRESET_REG); + } else { + reg = bcm_perf_readl(PERF_SYS_PLL_CTL_REG); + reg |= SYS_PLL_SOFT_RESET; + bcm_perf_writel(reg, PERF_SYS_PLL_CTL_REG); + } while (1) ; } @@ -93,7 +132,7 @@ static void __bcm63xx_machine_reboot(char *p) const char *get_system_type(void) { static char buf[128]; - snprintf(buf, sizeof(buf), "bcm63xx/%s (0x%04x/0x%04X)", + snprintf(buf, sizeof(buf), "bcm63xx/%s (0x%04x/0x%02X)", board_get_name(), bcm63xx_get_cpu_id(), bcm63xx_get_cpu_rev()); return buf; |
