ad09cb8381
Add r8a7790 SMP support using the shared APMU code. To enable SMP the r8a7790 specific DTS needs to be updated to include CPU cores, and this is happening in a separate patch. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
170 lines
5.1 KiB
C
170 lines
5.1 KiB
C
/*
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* Lager board support
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*
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* Copyright (C) 2013 Renesas Solutions Corp.
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* Copyright (C) 2013 Magnus Damm
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <linux/gpio.h>
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#include <linux/gpio_keys.h>
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#include <linux/input.h>
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#include <linux/interrupt.h>
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#include <linux/kernel.h>
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#include <linux/leds.h>
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#include <linux/mmc/host.h>
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#include <linux/mmc/sh_mmcif.h>
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#include <linux/pinctrl/machine.h>
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#include <linux/platform_data/gpio-rcar.h>
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#include <linux/platform_device.h>
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#include <linux/regulator/fixed.h>
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#include <linux/regulator/machine.h>
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#include <linux/sh_eth.h>
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#include <mach/common.h>
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#include <mach/irqs.h>
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#include <mach/r8a7790.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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/* LEDS */
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static struct gpio_led lager_leds[] = {
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{
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.name = "led8",
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.gpio = RCAR_GP_PIN(5, 17),
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.default_state = LEDS_GPIO_DEFSTATE_ON,
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}, {
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.name = "led7",
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.gpio = RCAR_GP_PIN(4, 23),
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.default_state = LEDS_GPIO_DEFSTATE_ON,
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}, {
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.name = "led6",
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.gpio = RCAR_GP_PIN(4, 22),
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.default_state = LEDS_GPIO_DEFSTATE_ON,
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},
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};
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static __initdata struct gpio_led_platform_data lager_leds_pdata = {
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.leds = lager_leds,
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.num_leds = ARRAY_SIZE(lager_leds),
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};
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/* GPIO KEY */
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#define GPIO_KEY(c, g, d, ...) \
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{ .code = c, .gpio = g, .desc = d, .active_low = 1 }
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static struct gpio_keys_button gpio_buttons[] = {
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GPIO_KEY(KEY_4, RCAR_GP_PIN(1, 28), "SW2-pin4"),
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GPIO_KEY(KEY_3, RCAR_GP_PIN(1, 26), "SW2-pin3"),
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GPIO_KEY(KEY_2, RCAR_GP_PIN(1, 24), "SW2-pin2"),
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GPIO_KEY(KEY_1, RCAR_GP_PIN(1, 14), "SW2-pin1"),
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};
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static __initdata struct gpio_keys_platform_data lager_keys_pdata = {
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.buttons = gpio_buttons,
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.nbuttons = ARRAY_SIZE(gpio_buttons),
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};
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/* Fixed 3.3V regulator to be used by MMCIF */
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static struct regulator_consumer_supply fixed3v3_power_consumers[] =
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{
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REGULATOR_SUPPLY("vmmc", "sh_mmcif.1"),
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};
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/* MMCIF */
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static struct sh_mmcif_plat_data mmcif1_pdata __initdata = {
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.caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
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};
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static struct resource mmcif1_resources[] __initdata = {
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DEFINE_RES_MEM_NAMED(0xee220000, 0x80, "MMCIF1"),
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DEFINE_RES_IRQ(gic_spi(170)),
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};
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/* Ether */
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static struct sh_eth_plat_data ether_pdata __initdata = {
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.phy = 0x1,
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.edmac_endian = EDMAC_LITTLE_ENDIAN,
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.phy_interface = PHY_INTERFACE_MODE_RMII,
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.ether_link_active_low = 1,
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};
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static struct resource ether_resources[] __initdata = {
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DEFINE_RES_MEM(0xee700000, 0x400),
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DEFINE_RES_IRQ(gic_spi(162)),
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};
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static const struct pinctrl_map lager_pinctrl_map[] = {
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/* SCIF0 (CN19: DEBUG SERIAL0) */
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PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.6", "pfc-r8a7790",
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"scif0_data", "scif0"),
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/* SCIF1 (CN20: DEBUG SERIAL1) */
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PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.7", "pfc-r8a7790",
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"scif1_data", "scif1"),
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/* MMCIF1 */
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PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.1", "pfc-r8a7790",
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"mmc1_data8", "mmc1"),
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PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.1", "pfc-r8a7790",
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"mmc1_ctrl", "mmc1"),
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/* Ether */
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PIN_MAP_MUX_GROUP_DEFAULT("r8a7790-ether", "pfc-r8a7790",
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"eth_link", "eth"),
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PIN_MAP_MUX_GROUP_DEFAULT("r8a7790-ether", "pfc-r8a7790",
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"eth_mdio", "eth"),
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PIN_MAP_MUX_GROUP_DEFAULT("r8a7790-ether", "pfc-r8a7790",
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"eth_rmii", "eth"),
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PIN_MAP_MUX_GROUP_DEFAULT("r8a7790-ether", "pfc-r8a7790",
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"intc_irq0", "intc"),
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};
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static void __init lager_add_standard_devices(void)
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{
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r8a7790_clock_init();
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pinctrl_register_mappings(lager_pinctrl_map,
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ARRAY_SIZE(lager_pinctrl_map));
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r8a7790_pinmux_init();
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r8a7790_add_standard_devices();
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platform_device_register_data(&platform_bus, "leds-gpio", -1,
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&lager_leds_pdata,
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sizeof(lager_leds_pdata));
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platform_device_register_data(&platform_bus, "gpio-keys", -1,
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&lager_keys_pdata,
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sizeof(lager_keys_pdata));
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regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
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ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
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platform_device_register_resndata(&platform_bus, "sh_mmcif", 1,
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mmcif1_resources, ARRAY_SIZE(mmcif1_resources),
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&mmcif1_pdata, sizeof(mmcif1_pdata));
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platform_device_register_resndata(&platform_bus, "r8a7790-ether", -1,
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ether_resources,
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ARRAY_SIZE(ether_resources),
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ðer_pdata, sizeof(ether_pdata));
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}
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static const char *lager_boards_compat_dt[] __initdata = {
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"renesas,lager",
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NULL,
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};
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DT_MACHINE_START(LAGER_DT, "lager")
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.smp = smp_ops(r8a7790_smp_ops),
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.init_early = r8a7790_init_early,
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.init_time = r8a7790_timer_init,
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.init_machine = lager_add_standard_devices,
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.dt_compat = lager_boards_compat_dt,
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MACHINE_END
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