diff options
Diffstat (limited to 'arch/powerpc/sysdev/mv64x60_dev.c')
| -rw-r--r-- | arch/powerpc/sysdev/mv64x60_dev.c | 535 |
1 files changed, 0 insertions, 535 deletions
diff --git a/arch/powerpc/sysdev/mv64x60_dev.c b/arch/powerpc/sysdev/mv64x60_dev.c deleted file mode 100644 index 185a67e742a61..0000000000000 --- a/arch/powerpc/sysdev/mv64x60_dev.c +++ /dev/null @@ -1,535 +0,0 @@ -/* - * Platform device setup for Marvell mv64360/mv64460 host bridges (Discovery) - * - * Author: Dale Farnsworth <dale@farnsworth.org> - * - * 2007 (c) MontaVista, Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - */ - -#include <linux/stddef.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/console.h> -#include <linux/mv643xx.h> -#include <linux/platform_device.h> -#include <linux/of_platform.h> -#include <linux/of_net.h> -#include <linux/dma-mapping.h> - -#include <asm/prom.h> - -/* These functions provide the necessary setup for the mv64x60 drivers. */ - -static const struct of_device_id of_mv64x60_devices[] __initconst = { - { .compatible = "marvell,mv64306-devctrl", }, - {} -}; - -/* - * Create MPSC platform devices - */ -static int __init mv64x60_mpsc_register_shared_pdev(struct device_node *np) -{ - struct platform_device *pdev; - struct resource r[2]; - struct mpsc_shared_pdata pdata; - const phandle *ph; - struct device_node *mpscrouting, *mpscintr; - int err; - - ph = of_get_property(np, "mpscrouting", NULL); - mpscrouting = of_find_node_by_phandle(*ph); - if (!mpscrouting) - return -ENODEV; - - err = of_address_to_resource(mpscrouting, 0, &r[0]); - of_node_put(mpscrouting); - if (err) - return err; - - ph = of_get_property(np, "mpscintr", NULL); - mpscintr = of_find_node_by_phandle(*ph); - if (!mpscintr) - return -ENODEV; - - err = of_address_to_resource(mpscintr, 0, &r[1]); - of_node_put(mpscintr); - if (err) - return err; - - memset(&pdata, 0, sizeof(pdata)); - - pdev = platform_device_alloc(MPSC_SHARED_NAME, 0); - if (!pdev) - return -ENOMEM; - - err = platform_device_add_resources(pdev, r, 2); - if (err) - goto error; - - err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); - if (err) - goto error; - - err = platform_device_add(pdev); - if (err) - goto error; - - return 0; - -error: - platform_device_put(pdev); - return err; -} - - -static int __init mv64x60_mpsc_device_setup(struct device_node *np, int id) -{ - struct resource r[5]; - struct mpsc_pdata pdata; - struct platform_device *pdev; - const unsigned int *prop; - const phandle *ph; - struct device_node *sdma, *brg; - int err; - int port_number; - - /* only register the shared platform device the first time through */ - if (id == 0 && (err = mv64x60_mpsc_register_shared_pdev(np))) - return err; - - memset(r, 0, sizeof(r)); - - err = of_address_to_resource(np, 0, &r[0]); - if (err) - return err; - - of_irq_to_resource(np, 0, &r[4]); - - ph = of_get_property(np, "sdma", NULL); - sdma = of_find_node_by_phandle(*ph); - if (!sdma) - return -ENODEV; - - of_irq_to_resource(sdma, 0, &r[3]); - err = of_address_to_resource(sdma, 0, &r[1]); - of_node_put(sdma); - if (err) - return err; - - ph = of_get_property(np, "brg", NULL); - brg = of_find_node_by_phandle(*ph); - if (!brg) - return -ENODEV; - - err = of_address_to_resource(brg, 0, &r[2]); - of_node_put(brg); - if (err) - return err; - - prop = of_get_property(np, "cell-index", NULL); - if (!prop) - return -ENODEV; - port_number = *(int *)prop; - - memset(&pdata, 0, sizeof(pdata)); - - pdata.cache_mgmt = 1; /* All current revs need this set */ - - pdata.max_idle = 40; /* default */ - prop = of_get_property(np, "max_idle", NULL); - if (prop) - pdata.max_idle = *prop; - - prop = of_get_property(brg, "current-speed", NULL); - if (prop) - pdata.default_baud = *prop; - - /* Default is 8 bits, no parity, no flow control */ - pdata.default_bits = 8; - pdata.default_parity = 'n'; - pdata.default_flow = 'n'; - - prop = of_get_property(np, "chr_1", NULL); - if (prop) - pdata.chr_1_val = *prop; - - prop = of_get_property(np, "chr_2", NULL); - if (prop) - pdata.chr_2_val = *prop; - - prop = of_get_property(np, "chr_10", NULL); - if (prop) - pdata.chr_10_val = *prop; - - prop = of_get_property(np, "mpcr", NULL); - if (prop) - pdata.mpcr_val = *prop; - - prop = of_get_property(brg, "bcr", NULL); - if (prop) - pdata.bcr_val = *prop; - - pdata.brg_can_tune = 1; /* All current revs need this set */ - - prop = of_get_property(brg, "clock-src", NULL); - if (prop) - pdata.brg_clk_src = *prop; - - prop = of_get_property(brg, "clock-frequency", NULL); - if (prop) - pdata.brg_clk_freq = *prop; - - pdev = platform_device_alloc(MPSC_CTLR_NAME, port_number); - if (!pdev) - return -ENOMEM; - pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); - - err = platform_device_add_resources(pdev, r, 5); - if (err) - goto error; - - err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); - if (err) - goto error; - - err = platform_device_add(pdev); - if (err) - goto error; - - return 0; - -error: - platform_device_put(pdev); - return err; -} - -/* - * Create mv64x60_eth platform devices - */ -static struct platform_device * __init mv64x60_eth_register_shared_pdev( - struct device_node *np, int id) -{ - struct platform_device *pdev; - struct resource r[2]; - int err; - - err = of_address_to_resource(np, 0, &r[0]); - if (err) - return ERR_PTR(err); - - /* register an orion mdio bus driver */ - r[1].start = r[0].start + 0x4; - r[1].end = r[0].start + 0x84 - 1; - r[1].flags = IORESOURCE_MEM; - - if (id == 0) { - pdev = platform_device_register_simple("orion-mdio", -1, &r[1], 1); - if (IS_ERR(pdev)) - return pdev; - } - - pdev = platform_device_register_simple(MV643XX_ETH_SHARED_NAME, id, - &r[0], 1); - - return pdev; -} - -static int __init mv64x60_eth_device_setup(struct device_node *np, int id, - struct platform_device *shared_pdev) -{ - struct resource r[1]; - struct mv643xx_eth_platform_data pdata; - struct platform_device *pdev; - struct device_node *phy; - const u8 *mac_addr; - const int *prop; - const phandle *ph; - int err; - - memset(r, 0, sizeof(r)); - of_irq_to_resource(np, 0, &r[0]); - - memset(&pdata, 0, sizeof(pdata)); - - pdata.shared = shared_pdev; - - prop = of_get_property(np, "reg", NULL); - if (!prop) - return -ENODEV; - pdata.port_number = *prop; - - mac_addr = of_get_mac_address(np); - if (mac_addr) - memcpy(pdata.mac_addr, mac_addr, 6); - - prop = of_get_property(np, "speed", NULL); - if (prop) - pdata.speed = *prop; - - prop = of_get_property(np, "tx_queue_size", NULL); - if (prop) - pdata.tx_queue_size = *prop; - - prop = of_get_property(np, "rx_queue_size", NULL); - if (prop) - pdata.rx_queue_size = *prop; - - prop = of_get_property(np, "tx_sram_addr", NULL); - if (prop) - pdata.tx_sram_addr = *prop; - - prop = of_get_property(np, "tx_sram_size", NULL); - if (prop) - pdata.tx_sram_size = *prop; - - prop = of_get_property(np, "rx_sram_addr", NULL); - if (prop) - pdata.rx_sram_addr = *prop; - - prop = of_get_property(np, "rx_sram_size", NULL); - if (prop) - pdata.rx_sram_size = *prop; - - ph = of_get_property(np, "phy", NULL); - if (!ph) - return -ENODEV; - - phy = of_find_node_by_phandle(*ph); - if (phy == NULL) - return -ENODEV; - - prop = of_get_property(phy, "reg", NULL); - if (prop) - pdata.phy_addr = MV643XX_ETH_PHY_ADDR(*prop); - - of_node_put(phy); - - pdev = platform_device_alloc(MV643XX_ETH_NAME, id); - if (!pdev) - return -ENOMEM; - - pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); - err = platform_device_add_resources(pdev, r, 1); - if (err) - goto error; - - err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); - if (err) - goto error; - - err = platform_device_add(pdev); - if (err) - goto error; - - return 0; - -error: - platform_device_put(pdev); - return err; -} - -/* - * Create mv64x60_i2c platform devices - */ -static int __init mv64x60_i2c_device_setup(struct device_node *np, int id) -{ - struct resource r[2]; - struct platform_device *pdev; - struct mv64xxx_i2c_pdata pdata; - const unsigned int *prop; - int err; - - memset(r, 0, sizeof(r)); - - err = of_address_to_resource(np, 0, &r[0]); - if (err) - return err; - - of_irq_to_resource(np, 0, &r[1]); - - memset(&pdata, 0, sizeof(pdata)); - - pdata.freq_m = 8; /* default */ - prop = of_get_property(np, "freq_m", NULL); - if (prop) - pdata.freq_m = *prop; - - pdata.freq_n = 3; /* default */ - prop = of_get_property(np, "freq_n", NULL); - if (prop) - pdata.freq_n = *prop; - - pdata.timeout = 1000; /* default: 1 second */ - - pdev = platform_device_alloc(MV64XXX_I2C_CTLR_NAME, id); - if (!pdev) - return -ENOMEM; - - err = platform_device_add_resources(pdev, r, 2); - if (err) - goto error; - - err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); - if (err) - goto error; - - err = platform_device_add(pdev); - if (err) - goto error; - - return 0; - -error: - platform_device_put(pdev); - return err; -} - -/* - * Create mv64x60_wdt platform devices - */ -static int __init mv64x60_wdt_device_setup(struct device_node *np, int id) -{ - struct resource r; - struct platform_device *pdev; - struct mv64x60_wdt_pdata pdata; - const unsigned int *prop; - int err; - - err = of_address_to_resource(np, 0, &r); - if (err) - return err; - - memset(&pdata, 0, sizeof(pdata)); - - pdata.timeout = 10; /* Default: 10 seconds */ - - np = of_get_parent(np); - if (!np) - return -ENODEV; - - prop = of_get_property(np, "clock-frequency", NULL); - of_node_put(np); - if (!prop) - return -ENODEV; - pdata.bus_clk = *prop / 1000000; /* wdt driver wants freq in MHz */ - - pdev = platform_device_alloc(MV64x60_WDT_NAME, id); - if (!pdev) - return -ENOMEM; - - err = platform_device_add_resources(pdev, &r, 1); - if (err) - goto error; - - err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); - if (err) - goto error; - - err = platform_device_add(pdev); - if (err) - goto error; - - return 0; - -error: - platform_device_put(pdev); - return err; -} - -static int __init mv64x60_device_setup(void) -{ - struct device_node *np, *np2; - struct platform_device *pdev; - int id, id2; - int err; - - id = 0; - for_each_compatible_node(np, NULL, "marvell,mv64360-mpsc") { - err = mv64x60_mpsc_device_setup(np, id++); - if (err) - printk(KERN_ERR "Failed to initialize MV64x60 " - "serial device %pOF: error %d.\n", - np, err); - } - - id = 0; - id2 = 0; - for_each_compatible_node(np, NULL, "marvell,mv64360-eth-group") { - pdev = mv64x60_eth_register_shared_pdev(np, id++); - if (IS_ERR(pdev)) { - err = PTR_ERR(pdev); - printk(KERN_ERR "Failed to initialize MV64x60 " - "network block %pOF: error %d.\n", - np, err); - continue; - } - for_each_child_of_node(np, np2) { - if (!of_device_is_compatible(np2, - "marvell,mv64360-eth")) - continue; - err = mv64x60_eth_device_setup(np2, id2++, pdev); - if (err) - printk(KERN_ERR "Failed to initialize " - "MV64x60 network device %pOF: " - "error %d.\n", - np2, err); - } - } - - id = 0; - for_each_compatible_node(np, "i2c", "marvell,mv64360-i2c") { - err = mv64x60_i2c_device_setup(np, id++); - if (err) - printk(KERN_ERR "Failed to initialize MV64x60 I2C " - "bus %pOF: error %d.\n", - np, err); - } - - /* support up to one watchdog timer */ - np = of_find_compatible_node(np, NULL, "marvell,mv64360-wdt"); - if (np) { - if ((err = mv64x60_wdt_device_setup(np, id))) - printk(KERN_ERR "Failed to initialize MV64x60 " - "Watchdog %pOF: error %d.\n", - np, err); - of_node_put(np); - } - - /* Now add every node that is on the device bus */ - for_each_compatible_node(np, NULL, "marvell,mv64360") - of_platform_bus_probe(np, of_mv64x60_devices, NULL); - - return 0; -} -arch_initcall(mv64x60_device_setup); - -static int __init mv64x60_add_mpsc_console(void) -{ - struct device_node *np = NULL; - const char *prop; - - prop = of_get_property(of_chosen, "linux,stdout-path", NULL); - if (prop == NULL) - goto not_mpsc; - - np = of_find_node_by_path(prop); - if (!np) - goto not_mpsc; - - if (!of_device_is_compatible(np, "marvell,mv64360-mpsc")) - goto not_mpsc; - - prop = of_get_property(np, "cell-index", NULL); - if (!prop) - goto not_mpsc; - - add_preferred_console("ttyMM", *(int *)prop, NULL); - -not_mpsc: - return 0; -} -console_initcall(mv64x60_add_mpsc_console); |