diff options
Diffstat (limited to 'arch/arm/mach-orion5x/rd88f5182-setup.c')
| -rw-r--r-- | arch/arm/mach-orion5x/rd88f5182-setup.c | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/arch/arm/mach-orion5x/rd88f5182-setup.c b/arch/arm/mach-orion5x/rd88f5182-setup.c new file mode 100644 index 000000000..6ffcfc644 --- /dev/null +++ b/arch/arm/mach-orion5x/rd88f5182-setup.c @@ -0,0 +1,288 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * arch/arm/mach-orion5x/rd88f5182-setup.c + * + * Marvell Orion-NAS Reference Design Setup + * + * Maintainer: Ronen Shitrit <rshitrit@marvell.com> + */ +#include <linux/gpio.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/pci.h> +#include <linux/irq.h> +#include <linux/mtd/physmap.h> +#include <linux/mv643xx_eth.h> +#include <linux/ata_platform.h> +#include <linux/i2c.h> +#include <linux/leds.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/pci.h> +#include "common.h" +#include "mpp.h" +#include "orion5x.h" + +/***************************************************************************** + * RD-88F5182 Info + ****************************************************************************/ + +/* + * 512K NOR flash Device bus boot chip select + */ + +#define RD88F5182_NOR_BOOT_BASE 0xf4000000 +#define RD88F5182_NOR_BOOT_SIZE SZ_512K + +/* + * 16M NOR flash on Device bus chip select 1 + */ + +#define RD88F5182_NOR_BASE 0xfc000000 +#define RD88F5182_NOR_SIZE SZ_16M + +/* + * PCI + */ + +#define RD88F5182_PCI_SLOT0_OFFS 7 +#define RD88F5182_PCI_SLOT0_IRQ_A_PIN 7 +#define RD88F5182_PCI_SLOT0_IRQ_B_PIN 6 + +/***************************************************************************** + * 16M NOR Flash on Device bus CS1 + ****************************************************************************/ + +static struct physmap_flash_data rd88f5182_nor_flash_data = { + .width = 1, +}; + +static struct resource rd88f5182_nor_flash_resource = { + .flags = IORESOURCE_MEM, + .start = RD88F5182_NOR_BASE, + .end = RD88F5182_NOR_BASE + RD88F5182_NOR_SIZE - 1, +}; + +static struct platform_device rd88f5182_nor_flash = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &rd88f5182_nor_flash_data, + }, + .num_resources = 1, + .resource = &rd88f5182_nor_flash_resource, +}; + +/***************************************************************************** + * Use GPIO LED as CPU active indication + ****************************************************************************/ + +#define RD88F5182_GPIO_LED 0 + +static struct gpio_led rd88f5182_gpio_led_pins[] = { + { + .name = "rd88f5182:cpu", + .default_trigger = "cpu0", + .gpio = RD88F5182_GPIO_LED, + }, +}; + +static struct gpio_led_platform_data rd88f5182_gpio_led_data = { + .leds = rd88f5182_gpio_led_pins, + .num_leds = ARRAY_SIZE(rd88f5182_gpio_led_pins), +}; + +static struct platform_device rd88f5182_gpio_leds = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &rd88f5182_gpio_led_data, + }, +}; + +/***************************************************************************** + * PCI + ****************************************************************************/ + +static void __init rd88f5182_pci_preinit(void) +{ + int pin; + + /* + * Configure PCI GPIO IRQ pins + */ + pin = RD88F5182_PCI_SLOT0_IRQ_A_PIN; + if (gpio_request(pin, "PCI IntA") == 0) { + if (gpio_direction_input(pin) == 0) { + irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW); + } else { + printk(KERN_ERR "rd88f5182_pci_preinit failed to " + "set_irq_type pin %d\n", pin); + gpio_free(pin); + } + } else { + printk(KERN_ERR "rd88f5182_pci_preinit failed to request gpio %d\n", pin); + } + + pin = RD88F5182_PCI_SLOT0_IRQ_B_PIN; + if (gpio_request(pin, "PCI IntB") == 0) { + if (gpio_direction_input(pin) == 0) { + irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW); + } else { + printk(KERN_ERR "rd88f5182_pci_preinit failed to " + "set_irq_type pin %d\n", pin); + gpio_free(pin); + } + } else { + printk(KERN_ERR "rd88f5182_pci_preinit failed to gpio_request %d\n", pin); + } +} + +static int __init rd88f5182_pci_map_irq(const struct pci_dev *dev, u8 slot, + u8 pin) +{ + int irq; + + /* + * Check for devices with hard-wired IRQs. + */ + irq = orion5x_pci_map_irq(dev, slot, pin); + if (irq != -1) + return irq; + + /* + * PCI IRQs are connected via GPIOs + */ + switch (slot - RD88F5182_PCI_SLOT0_OFFS) { + case 0: + if (pin == 1) + return gpio_to_irq(RD88F5182_PCI_SLOT0_IRQ_A_PIN); + else + return gpio_to_irq(RD88F5182_PCI_SLOT0_IRQ_B_PIN); + default: + return -1; + } +} + +static struct hw_pci rd88f5182_pci __initdata = { + .nr_controllers = 2, + .preinit = rd88f5182_pci_preinit, + .setup = orion5x_pci_sys_setup, + .scan = orion5x_pci_sys_scan_bus, + .map_irq = rd88f5182_pci_map_irq, +}; + +static int __init rd88f5182_pci_init(void) +{ + if (machine_is_rd88f5182()) + pci_common_init(&rd88f5182_pci); + + return 0; +} + +subsys_initcall(rd88f5182_pci_init); + +/***************************************************************************** + * Ethernet + ****************************************************************************/ + +static struct mv643xx_eth_platform_data rd88f5182_eth_data = { + .phy_addr = MV643XX_ETH_PHY_ADDR(8), +}; + +/***************************************************************************** + * RTC DS1338 on I2C bus + ****************************************************************************/ +static struct i2c_board_info __initdata rd88f5182_i2c_rtc = { + I2C_BOARD_INFO("ds1338", 0x68), +}; + +/***************************************************************************** + * Sata + ****************************************************************************/ +static struct mv_sata_platform_data rd88f5182_sata_data = { + .n_ports = 2, +}; + +/***************************************************************************** + * General Setup + ****************************************************************************/ +static unsigned int rd88f5182_mpp_modes[] __initdata = { + MPP0_GPIO, /* Debug Led */ + MPP1_GPIO, /* Reset Switch */ + MPP2_UNUSED, + MPP3_GPIO, /* RTC Int */ + MPP4_GPIO, + MPP5_GPIO, + MPP6_GPIO, /* PCI_intA */ + MPP7_GPIO, /* PCI_intB */ + MPP8_UNUSED, + MPP9_UNUSED, + MPP10_UNUSED, + MPP11_UNUSED, + MPP12_SATA_LED, /* SATA 0 presence */ + MPP13_SATA_LED, /* SATA 1 presence */ + MPP14_SATA_LED, /* SATA 0 active */ + MPP15_SATA_LED, /* SATA 1 active */ + MPP16_UNUSED, + MPP17_UNUSED, + MPP18_UNUSED, + MPP19_UNUSED, + 0, +}; + +static void __init rd88f5182_init(void) +{ + /* + * Setup basic Orion functions. Need to be called early. + */ + orion5x_init(); + + orion5x_mpp_conf(rd88f5182_mpp_modes); + + /* + * MPP[20] PCI Clock to MV88F5182 + * MPP[21] PCI Clock to mini PCI CON11 + * MPP[22] USB 0 over current indication + * MPP[23] USB 1 over current indication + * MPP[24] USB 1 over current enable + * MPP[25] USB 0 over current enable + */ + + /* + * Configure peripherals. + */ + orion5x_ehci0_init(); + orion5x_ehci1_init(); + orion5x_eth_init(&rd88f5182_eth_data); + orion5x_i2c_init(); + orion5x_sata_init(&rd88f5182_sata_data); + orion5x_uart0_init(); + orion5x_xor_init(); + + mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET, + ORION_MBUS_DEVBUS_BOOT_ATTR, + RD88F5182_NOR_BOOT_BASE, + RD88F5182_NOR_BOOT_SIZE); + mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_TARGET(1), + ORION_MBUS_DEVBUS_ATTR(1), + RD88F5182_NOR_BASE, + RD88F5182_NOR_SIZE); + platform_device_register(&rd88f5182_nor_flash); + platform_device_register(&rd88f5182_gpio_leds); + + i2c_register_board_info(0, &rd88f5182_i2c_rtc, 1); +} + +MACHINE_START(RD88F5182, "Marvell Orion-NAS Reference Design") + /* Maintainer: Ronen Shitrit <rshitrit@marvell.com> */ + .atag_offset = 0x100, + .nr_irqs = ORION5X_NR_IRQS, + .init_machine = rd88f5182_init, + .map_io = orion5x_map_io, + .init_early = orion5x_init_early, + .init_irq = orion5x_init_irq, + .init_time = orion5x_timer_init, + .restart = orion5x_restart, +MACHINE_END |