avr/qmk/ChibiOS - [no description]

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Diffstat (limited to 'testhal/AVR/XMEGA/SPI/readme.txt')

0 files changed, 0 insertions, 0 deletions

From 5a50cb0d53344a2429831b00925d6183d4d332e1 Mon Sep 17 00:00:00 2001 From: Jonas Gorski <jogo@openwrt.org> Date: Sun, 9 Mar 2014 03:54:05 +0100 Subject: [PATCH 40/44] MIPS: BCM63XX: move device registration code into its own file Move device registration code into its own file to allow sharing it between board implementations. Signed-off-by: Jonas Gorski <jogo@openwrt.org> --- arch/mips/bcm63xx/boards/Makefile | 1 + arch/mips/bcm63xx/boards/board_bcm963xx.c | 188 +------------------------- arch/mips/bcm63xx/boards/board_common.c | 215 ++++++++++++++++++++++++++++++ arch/mips/bcm63xx/boards/board_common.h | 8 ++ 4 files changed, 223 insertions(+), 183 deletions(-) create mode 100644 arch/mips/bcm63xx/boards/board_common.c create mode 100644 arch/mips/bcm63xx/boards/board_common.h --- a/arch/mips/bcm63xx/boards/Makefile +++ b/arch/mips/bcm63xx/boards/Makefile @@ -1 +1,2 @@ +obj-y += board_common.o obj-$(CONFIG_BOARD_BCM963XX) += board_bcm963xx.o --- a/arch/mips/bcm63xx/boards/board_bcm963xx.c +++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c @@ -10,35 +10,22 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/string.h> -#include <linux/platform_device.h> -#include <linux/ssb/ssb.h> #include <asm/addrspace.h> #include <bcm63xx_board.h> #include <bcm63xx_cpu.h> -#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_ehci.h> -#include <bcm63xx_dev_usb_ohci.h> -#include <bcm63xx_dev_usb_usbd.h> #include <board_bcm963xx.h> +#include "board_common.h" + #include <uapi/linux/bcm933xx_hcs.h> #define PFX "board_bcm963xx: " #define HCS_OFFSET_128K 0x20000 -static struct board_info board; - /* * known 3368 boards */ @@ -711,52 +698,6 @@ static const struct board_info __initcon }; /* - * Register a sane SPROMv2 to make the on-board - * bcm4318 WLAN work - */ -#ifdef CONFIG_SSB_PCIHOST -static struct ssb_sprom bcm63xx_sprom = { - .revision = 0x02, - .board_rev = 0x17, - .country_code = 0x0, - .ant_available_bg = 0x3, - .pa0b0 = 0x15ae, - .pa0b1 = 0xfa85, - .pa0b2 = 0xfe8d, - .pa1b0 = 0xffff, - .pa1b1 = 0xffff, - .pa1b2 = 0xffff, - .gpio0 = 0xff, - .gpio1 = 0xff, - .gpio2 = 0xff, - .gpio3 = 0xff, - .maxpwr_bg = 0x004c, - .itssi_bg = 0x00, - .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 - -/* - * return board name for /proc/cpuinfo - */ -const char *board_get_name(void) -{ - return board.name; -} - -/* * early init callback, read nvram data from flash and checksum it */ void __init board_prom_init(void) @@ -801,141 +742,16 @@ void __init board_prom_init(void) if (strncmp(board_name, bcm963xx_boards[i]->name, 16)) continue; /* copy, board desc array is marked initdata */ - memcpy(&board, bcm963xx_boards[i], sizeof(board)); + board_early_setup(bcm963xx_boards[i]); break; } - /* bail out if board is not found, will complain later */ - if (!board.name[0]) { + /* warn if board is not found, will complain later */ + if (i == ARRAY_SIZE(bcm963xx_boards)) { char name[17]; memcpy(name, board_name, 16); name[16] = 0; printk(KERN_ERR PFX "unknown bcm963xx board: %s\n", name); - return; - } - - /* setup pin multiplexing depending on board enabled device, - * this has to be done this early since PCI init is done - * inside arch_initcall */ - val = 0; - -#ifdef CONFIG_PCI - if (board.has_pci) { - bcm63xx_pci_enabled = 1; - if (BCMCPU_IS_6348()) - val |= GPIO_MODE_6348_G2_PCI; - } -#endif - - if (board.has_pccard) { - if (BCMCPU_IS_6348()) - val |= GPIO_MODE_6348_G1_MII_PCCARD; - } - - if (board.has_enet0 && !board.enet0.use_internal_phy) { - if (BCMCPU_IS_6348()) - val |= GPIO_MODE_6348_G3_EXT_MII | - GPIO_MODE_6348_G0_EXT_MII; - } - - if (board.has_enet1 && !board.enet1.use_internal_phy) { - if (BCMCPU_IS_6348()) - val |= GPIO_MODE_6348_G3_EXT_MII | - GPIO_MODE_6348_G0_EXT_MII; - } - - bcm_gpio_writel(val, GPIO_MODE_REG); -} - -/* - * second stage init callback, good time to panic if we couldn't - * identify on which board we're running since early printk is working - */ -void __init board_setup(void) -{ - if (!board.name[0]) - panic("unable to detect bcm963xx board"); - printk(KERN_INFO PFX "board name: %s\n", board.name); - - /* make sure we're running on expected cpu */ - if (bcm63xx_get_cpu_id() != board.expected_cpu_id) - panic("unexpected CPU for bcm963xx board"); -} - -static struct gpio_led_platform_data bcm63xx_led_data; - -static struct platform_device bcm63xx_gpio_leds = { - .name = "leds-gpio", - .id = 0, - .dev.platform_data = &bcm63xx_led_data, -}; - -/* - * third stage init callback, register all board devices. - */ -int __init board_register_devices(void) -{ - if (board.has_uart0) - bcm63xx_uart_register(0); - - if (board.has_uart1) - bcm63xx_uart_register(1); - - if (board.has_pccard) - bcm63xx_pcmcia_register(); - - if (board.has_enet0 && - !bcm63xx_nvram_get_mac_address(board.enet0.mac_addr)) - bcm63xx_enet_register(0, &board.enet0); - - if (board.has_enet1 && - !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_ehci0) - bcm63xx_ehci_register(); - - if (board.has_ohci0) - bcm63xx_ohci_register(); - - if (board.has_dsp) - bcm63xx_dsp_register(&board.dsp); - - /* 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"); } -#endif - - 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; } --- /dev/null +++ b/arch/mips/bcm63xx/boards/board_common.c @@ -0,0 +1,217 @@ +/* + * 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> + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/string.h> +#include <linux/platform_device.h> +#include <linux/ssb/ssb.h> +#include <asm/addrspace.h> +#include <bcm63xx_board.h> +#include <bcm63xx_cpu.h> +#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_ehci.h> +#include <bcm63xx_dev_usb_ohci.h> +#include <bcm63xx_dev_usb_usbd.h> +#include <board_bcm963xx.h> + +#define PFX "board: " + +static struct board_info board; + +/* + * Register a sane SPROMv2 to make the on-board + * bcm4318 WLAN work + */ +#ifdef CONFIG_SSB_PCIHOST +static struct ssb_sprom bcm63xx_sprom = { + .revision = 0x02, + .board_rev = 0x17, + .country_code = 0x0, + .ant_available_bg = 0x3, + .pa0b0 = 0x15ae, + .pa0b1 = 0xfa85, + .pa0b2 = 0xfe8d, + .pa1b0 = 0xffff, + .pa1b1 = 0xffff, + .pa1b2 = 0xffff, + .gpio0 = 0xff, + .gpio1 = 0xff, + .gpio2 = 0xff, + .gpio3 = 0xff, + .maxpwr_bg = 0x004c, + .itssi_bg = 0x00, + .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 + +/* + * return board name for /proc/cpuinfo + */ +const char *board_get_name(void) +{ + return board.name; +} + +/* + * setup board for device registration + */ +void __init board_early_setup(const struct board_info *target) +{ + u32 val; + + memcpy(&board, target, sizeof(board)); + + /* setup pin multiplexing depending on board enabled device, + * this has to be done this early since PCI init is done + * inside arch_initcall */ + val = 0; + +#ifdef CONFIG_PCI + if (board.has_pci) { + bcm63xx_pci_enabled = 1; + if (BCMCPU_IS_6348()) + val |= GPIO_MODE_6348_G2_PCI; + } +#endif + + if (board.has_pccard) { + if (BCMCPU_IS_6348()) + val |= GPIO_MODE_6348_G1_MII_PCCARD; + } + + if (board.has_enet0 && !board.enet0.use_internal_phy) { + if (BCMCPU_IS_6348()) + val |= GPIO_MODE_6348_G3_EXT_MII | + GPIO_MODE_6348_G0_EXT_MII; + } + + if (board.has_enet1 && !board.enet1.use_internal_phy) { + if (BCMCPU_IS_6348()) + val |= GPIO_MODE_6348_G3_EXT_MII | + GPIO_MODE_6348_G0_EXT_MII; + } + + bcm_gpio_writel(val, GPIO_MODE_REG); +} + + +/* + * second stage init callback, good time to panic if we couldn't + * identify on which board we're running since early printk is working + */ +void __init board_setup(void) +{ + if (!board.name[0]) + panic("unable to detect bcm963xx board"); + printk(KERN_INFO PFX "board name: %s\n", board.name); + + /* make sure we're running on expected cpu */ + if (bcm63xx_get_cpu_id() != board.expected_cpu_id) + panic("unexpected CPU for bcm963xx board"); +} + +static struct gpio_led_platform_data bcm63xx_led_data; + +static struct platform_device bcm63xx_gpio_leds = { + .name = "leds-gpio", + .id = 0, + .dev.platform_data = &bcm63xx_led_data, +}; + +/* + * third stage init callback, register all board devices. + */ +int __init board_register_devices(void) +{ + if (board.has_uart0) + bcm63xx_uart_register(0); + + if (board.has_uart1) + bcm63xx_uart_register(1); + + if (board.has_pccard) + bcm63xx_pcmcia_register(); + + if (board.has_enet0 && + !bcm63xx_nvram_get_mac_address(board.enet0.mac_addr)) + bcm63xx_enet_register(0, &board.enet0); + + if (board.has_enet1 && + !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_ehci0) + bcm63xx_ehci_register(); + + if (board.has_ohci0) + bcm63xx_ohci_register(); + + if (board.has_dsp) + bcm63xx_dsp_register(&board.dsp); + + /* 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"); + } +#endif + + 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; +} --- /dev/null +++ b/arch/mips/bcm63xx/boards/board_common.h @@ -0,0 +1,8 @@ +#ifndef __BOARD_COMMON_H +#define __BOARD_COMMON_H + +#include <board_bcm963xx.h> + +void board_early_setup(const struct board_info *board); + +#endif /* __BOARD_COMMON_H */


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