diff options
Diffstat (limited to 'target/linux/adm5120/files-3.18/arch/mips/adm5120/common/platform.c')
| -rw-r--r-- | target/linux/adm5120/files-3.18/arch/mips/adm5120/common/platform.c | 375 |
1 files changed, 375 insertions, 0 deletions
diff --git a/target/linux/adm5120/files-3.18/arch/mips/adm5120/common/platform.c b/target/linux/adm5120/files-3.18/arch/mips/adm5120/common/platform.c new file mode 100644 index 0000000..bdbfbcb --- /dev/null +++ b/target/linux/adm5120/files-3.18/arch/mips/adm5120/common/platform.c @@ -0,0 +1,375 @@ +/* + * ADM5120 generic platform devices + * + * Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/device.h> +#include <linux/dma-mapping.h> +#include <linux/platform_device.h> +#include <linux/gpio.h> +#include <linux/irq.h> +#include <linux/slab.h> +#include <linux/export.h> + +#include <asm/bootinfo.h> + +#include <asm/mach-adm5120/adm5120_defs.h> +#include <asm/mach-adm5120/adm5120_info.h> +#include <asm/mach-adm5120/adm5120_switch.h> +#include <asm/mach-adm5120/adm5120_nand.h> +#include <asm/mach-adm5120/adm5120_platform.h> + +#if 1 +/* + * TODO:remove global adm5120_eth* variables when the switch driver will be + * converted into a real platform driver + */ +unsigned int adm5120_eth_num_ports = 6; +EXPORT_SYMBOL_GPL(adm5120_eth_num_ports); + +unsigned char adm5120_eth_macs[6][6] = { + {'\00', 'A', 'D', 'M', '\x51', '\x20' }, + {'\00', 'A', 'D', 'M', '\x51', '\x21' }, + {'\00', 'A', 'D', 'M', '\x51', '\x22' }, + {'\00', 'A', 'D', 'M', '\x51', '\x23' }, + {'\00', 'A', 'D', 'M', '\x51', '\x24' }, + {'\00', 'A', 'D', 'M', '\x51', '\x25' } +}; +EXPORT_SYMBOL_GPL(adm5120_eth_macs); + +unsigned char adm5120_eth_vlans[6] = { + 0x41, 0x42, 0x44, 0x48, 0x50, 0x60 +}; +EXPORT_SYMBOL_GPL(adm5120_eth_vlans); +#endif + +void __init adm5120_setup_eth_macs(u8 *mac_base) +{ + u32 t; + int i, j; + + t = ((u32) mac_base[3] << 16) | ((u32) mac_base[4] << 8) + | ((u32) mac_base[5]); + + for (i = 0; i < ARRAY_SIZE(adm5120_eth_macs); i++) { + for (j = 0; j < 3; j++) + adm5120_eth_macs[i][j] = mac_base[j]; + + adm5120_eth_macs[i][3] = (t >> 16) & 0xff; + adm5120_eth_macs[i][4] = (t >> 8) & 0xff; + adm5120_eth_macs[i][5] = t & 0xff; + + t++; + } +} + +/* + * Built-in ethernet switch + */ +struct resource adm5120_switch_resources[] = { + [0] = { + .start = ADM5120_SWITCH_BASE, + .end = ADM5120_SWITCH_BASE+ADM5120_SWITCH_SIZE-1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = ADM5120_IRQ_SWITCH, + .end = ADM5120_IRQ_SWITCH, + .flags = IORESOURCE_IRQ, + }, +}; + +struct adm5120_switch_platform_data adm5120_switch_data; +struct platform_device adm5120_switch_device = { + .name = "adm5120-switch", + .id = -1, + .num_resources = ARRAY_SIZE(adm5120_switch_resources), + .resource = adm5120_switch_resources, + .dev.platform_data = &adm5120_switch_data, +}; + +void __init adm5120_add_device_switch(unsigned num_ports, u8 *vlan_map) +{ + if (num_ports > 0) + adm5120_eth_num_ports = num_ports; + + if (vlan_map) + memcpy(adm5120_eth_vlans, vlan_map, sizeof(adm5120_eth_vlans)); + + platform_device_register(&adm5120_switch_device); +} + +/* + * USB Host Controller + */ +struct resource adm5120_hcd_resources[] = { + [0] = { + .start = ADM5120_USBC_BASE, + .end = ADM5120_USBC_BASE+ADM5120_USBC_SIZE-1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = ADM5120_IRQ_USBC, + .end = ADM5120_IRQ_USBC, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 adm5120_hcd_dma_mask = DMA_BIT_MASK(24); +struct platform_device adm5120_hcd_device = { + .name = "adm5120-hcd", + .id = -1, + .num_resources = ARRAY_SIZE(adm5120_hcd_resources), + .resource = adm5120_hcd_resources, + .dev = { + .dma_mask = &adm5120_hcd_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(24), + } +}; + +void __init adm5120_add_device_usb(void) +{ + platform_device_register(&adm5120_hcd_device); +} + +/* + * NOR flash devices + */ +struct adm5120_flash_platform_data adm5120_flash0_data; +struct platform_device adm5120_flash0_device = { + .name = "adm5120-flash", + .id = 0, + .dev.platform_data = &adm5120_flash0_data, +}; + +struct adm5120_flash_platform_data adm5120_flash1_data; +struct platform_device adm5120_flash1_device = { + .name = "adm5120-flash", + .id = 1, + .dev.platform_data = &adm5120_flash1_data, +}; + +void __init adm5120_add_device_flash(unsigned id) +{ + struct platform_device *pdev; + + switch (id) { + case 0: + pdev = &adm5120_flash0_device; + break; + case 1: + pdev = &adm5120_flash1_device; + break; + default: + pdev = NULL; + break; + } + + if (pdev) + platform_device_register(pdev); +} + +/* + * built-in UARTs + */ +static void adm5120_uart_set_mctrl(struct amba_device *dev, void __iomem *base, + unsigned int mctrl) +{ +} + +struct amba_pl010_data adm5120_uart0_data = { + .set_mctrl = adm5120_uart_set_mctrl +}; + +struct amba_device adm5120_uart0_device = { + .dev = { + .init_name = "apb:uart0", + .platform_data = &adm5120_uart0_data, + }, + .res = { + .start = ADM5120_UART0_BASE, + .end = ADM5120_UART0_BASE + ADM5120_UART_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + .irq = { ADM5120_IRQ_UART0, 0 }, + .periphid = 0x0041010, +}; + +struct amba_pl010_data adm5120_uart1_data = { + .set_mctrl = adm5120_uart_set_mctrl +}; + +struct amba_device adm5120_uart1_device = { + .dev = { + .init_name = "apb:uart1", + .platform_data = &adm5120_uart1_data, + }, + .res = { + .start = ADM5120_UART1_BASE, + .end = ADM5120_UART1_BASE + ADM5120_UART_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + .irq = { ADM5120_IRQ_UART1, 0 }, + .periphid = 0x0041010, +}; + +void __init adm5120_add_device_uart(unsigned id) +{ + struct amba_device *dev; + + switch (id) { + case 0: + dev = &adm5120_uart0_device; + break; + case 1: + dev = &adm5120_uart1_device; + break; + default: + dev = NULL; + break; + } + + if (dev) + amba_device_register(dev, &iomem_resource); +} + +/* + * GPIO buttons + */ +void __init adm5120_register_gpio_buttons(int id, + unsigned poll_interval, + unsigned nbuttons, + struct gpio_keys_button *buttons) +{ + struct platform_device *pdev; + struct gpio_keys_platform_data pdata; + struct gpio_keys_button *p; + int err; + + p = kmemdup(buttons, nbuttons * sizeof(*p), GFP_KERNEL); + if (!p) + return; + + pdev = platform_device_alloc("gpio-keys-polled", id); + if (!pdev) + goto err_free_buttons; + + memset(&pdata, 0, sizeof(pdata)); + pdata.poll_interval = poll_interval; + pdata.nbuttons = nbuttons; + pdata.buttons = p; + + err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); + if (err) + goto err_put_pdev; + + err = platform_device_add(pdev); + if (err) + goto err_put_pdev; + + return; + +err_put_pdev: + platform_device_put(pdev); + +err_free_buttons: + kfree(p); +} + +/* + * GPIO LEDS + */ +struct gpio_led_platform_data adm5120_gpio_leds_data; +struct platform_device adm5120_gpio_leds_device = { + .name = "leds-gpio", + .id = -1, + .dev.platform_data = &adm5120_gpio_leds_data, +}; + +void __init adm5120_add_device_gpio_leds(unsigned num_leds, + struct gpio_led *leds) +{ + struct gpio_led *p; + + p = kmalloc(num_leds * sizeof(*p), GFP_KERNEL); + if (!p) + return; + + memcpy(p, leds, num_leds * sizeof(*p)); + adm5120_gpio_leds_data.num_leds = num_leds; + adm5120_gpio_leds_data.leds = p; + + platform_device_register(&adm5120_gpio_leds_device); +} + +/* + * NAND flash + */ +struct resource adm5120_nand_resources[] = { + [0] = { + .start = ADM5120_NAND_BASE, + .end = ADM5120_NAND_BASE + ADM5120_NAND_SIZE-1, + .flags = IORESOURCE_MEM, + }, +}; + +static int adm5120_nand_ready(struct mtd_info *mtd) +{ + return ((adm5120_nand_get_status() & ADM5120_NAND_STATUS_READY) != 0); +} + +static void adm5120_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, + unsigned int ctrl) +{ + if (ctrl & NAND_CTRL_CHANGE) { + adm5120_nand_set_cle(ctrl & NAND_CLE); + adm5120_nand_set_ale(ctrl & NAND_ALE); + adm5120_nand_set_cen(ctrl & NAND_NCE); + } + + if (cmd != NAND_CMD_NONE) + NAND_WRITE_REG(NAND_REG_DATA, cmd); +} + +void __init adm5120_add_device_nand(struct platform_nand_data *pdata) +{ + struct platform_device *pdev; + int err; + + pdev = platform_device_alloc("gen_nand", -1); + if (!pdev) + goto err_out; + + err = platform_device_add_resources(pdev, adm5120_nand_resources, + ARRAY_SIZE(adm5120_nand_resources)); + if (err) + goto err_put; + + err = platform_device_add_data(pdev, pdata, sizeof(*pdata)); + if (err) + goto err_put; + + pdata = pdev->dev.platform_data; + pdata->ctrl.dev_ready = adm5120_nand_ready; + pdata->ctrl.cmd_ctrl = adm5120_nand_cmd_ctrl; + + err = platform_device_add(pdev); + if (err) + goto err_put; + + return; + +err_put: + platform_device_put(pdev); +err_out: + return; +} |