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/*
* Copyright (C) 2014 Spreadtrum Communications Inc.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/export.h>
#include <linux/irqchip/arm-gic.h>
#include <linux/input.h>
#include <asm/io.h>
#include <asm/setup.h>
#include <asm/mach/time.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach-types.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/localtimer.h>
#include <linux/of_platform.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/clocksource.h>
#include <linux/clk-provider.h>
#include <soc/sprd/hardware.h>
#include <linux/i2c.h>
#if (defined(CONFIG_INPUT_LIS3DH_I2C) || defined(CONFIG_INPUT_LIS3DH_I2C_MODULE))
#include <linux/i2c/lis3dh.h>
#endif
#if (defined(CONFIG_INPUT_LTR558_I2C) || defined(CONFIG_INPUT_LTR558_I2C_MODULE))
#include <linux/i2c/ltr_558als.h>
#endif
#if (defined(CONFIG_TOUCHSCREEN_MSG2138) || defined(CONFIG_TOUCHSCREEN_MSG2138_MODULE))
#include <linux/i2c/msg2138.h>
#endif
#include <linux/spi/spi.h>
#include <linux/gpio.h>
#include <soc/sprd/board.h>
#include <soc/sprd/serial_sprd.h>
#include <soc/sprd/adi.h>
#include <soc/sprd/adc.h>
#include <soc/sprd/pinmap.h>
#include <linux/irq.h>
#include <linux/input/matrix_keypad.h>
#include <soc/sprd/sci.h>
#include <soc/sprd/kpd.h>
#include <soc/sprd/sci_glb_regs.h>
#if (defined(CONFIG_INV_MPU_IIO) || defined(CONFIG_INV_MPU_IIO_MODULE))
#include <linux/mpu.h>
#endif
#if (defined(CONFIG_SENSORS_AK8975) || defined(CONFIG_SENSORS_AK8975_MODULE))
#include <linux/akm8975.h>
#endif
/* IRQ's for the multi sensor board */
#define MPUIRQ_GPIO 212
#include <linux/regulator/consumer.h>
#include <soc/sprd/regulator.h>
#if (defined(CONFIG_TOUCHSCREEN_FOCALTECH) || defined(CONFIG_TOUCHSCREEN_FOCALTECH_MODULE))
#include <linux/i2c/focaltech.h>
#endif
#if (defined(CONFIG_KEYBOARD_SC) || defined (CONFIG_KEYBOARD_SC_MODULE))
#include <linux/input/matrix_keypad.h>
#include <soc/sprd/kpd.h>
#endif
#if (defined(CONFIG_KEYBOARD_GPIO) || defined (CONFIG_KEYBOARD_GPIO_MODULE))
#include <linux/gpio_keys.h>
#endif
#if (defined(CONFIG_KEYBOARD_SPRD_EIC) || defined(CONFIG_KEYBOARD_SPRD_EIC_MODULE))
#include <linux/sprd_eic_keys.h>
#endif
#if (defined(CONFIG_BACKLIGHT_SPRD_PWM) || defined(CONFIG_BACKLIGHT_SPRD_PWM_MODULE))
#include <linux/sprd_pwm_bl.h>
#endif
#if (defined(CONFIG_INPUT_HEADSET_SPRD_SC2723) || defined(CONFIG_INPUT_HEADSET_SPRD_SC2723_MODULE))
#include <linux/headset_sprd_sc2723.h>
#endif
extern void bluesleep_setup_uart_port(struct platform_device *uart_dev);
extern void __init sci_reserve(void);
extern void __init sci_map_io(void);
extern void __init sci_init_irq(void);
extern void __init sci_timer_init(void);
extern int __init sci_clock_init(void);
extern int __init sci_regulator_init(void);
struct class *sec_class;
EXPORT_SYMBOL(sec_class);
int __init __clock_init_early(void)
{
#if !defined(CONFIG_ARCH_SCX15)
pr_info("ahb ctl0 %08x, ctl2 %0x8 glb aon apb0 %08x aon apb1 %08x clk_en %08x\n",
sci_glb_raw_read(REG_AP_AHB_AHB_EB),
sci_glb_raw_read(REG_AP_AHB_AHB_RST),
sci_glb_raw_read(REG_AON_APB_APB_EB0),
sci_glb_raw_read(REG_AON_APB_APB_EB1),
sci_glb_raw_read(REG_AON_CLK_PUB_AHB_CFG));
#endif
sci_glb_clr(REG_AP_AHB_AHB_EB,
BIT_BUSMON2_EB |
BIT_BUSMON1_EB |
BIT_BUSMON0_EB |
BIT_SPINLOCK_EB |
#if !defined(CONFIG_ARCH_SCX35L)
BIT_GPS_EB |
#endif
BIT_EMMC_EB |
BIT_SDIO2_EB |
BIT_SDIO1_EB |
BIT_SDIO0_EB |
BIT_DRM_EB |
BIT_NFC_EB |
BIT_DMA_EB |
BIT_USB_EB |
#if !defined(CONFIG_ARCH_SCX35L)
BIT_GSP_EB |
BIT_DISPC1_EB |
#endif
0);
sci_glb_clr(REG_AP_APB_APB_EB,
BIT_INTC3_EB |
BIT_INTC2_EB |
BIT_INTC1_EB |
BIT_IIS1_EB |
BIT_UART2_EB |
BIT_UART0_EB |
BIT_SPI1_EB |
BIT_SPI0_EB |
BIT_IIS0_EB |
BIT_I2C0_EB |
BIT_SPI2_EB |
BIT_UART3_EB |
0);
sci_glb_clr(REG_AON_APB_APB_RTC_EB,
BIT_KPD_RTC_EB |
BIT_KPD_EB |
BIT_EFUSE_EB |
0);
sci_glb_clr(REG_AON_APB_APB_EB0,
BIT_AUDIF_EB |
BIT_VBC_EB |
BIT_PWM3_EB |
BIT_PWM1_EB |
0);
sci_glb_clr(REG_AON_APB_APB_EB1,
BIT_AUX1_EB |
BIT_AUX0_EB |
0);
printk("sc clock module early init ok\n");
return 0;
}
static inline int __sci_get_chip_id(void)
{
return __raw_readl(CHIP_ID_LOW_REG);
}
const struct of_device_id of_sprd_default_bus_match_table[] = {
{ .compatible = "simple-bus", },
{ .compatible = "sprd,adi-bus", },
{}
};
static struct of_dev_auxdata of_sprd_default_bus_lookup[] = {
{ .compatible = "sprd,sprd_backlight", .name = "sprd_backlight" },
#if(defined(CONFIG_BACKLIGHT_SPRD_PWM)||defined(CONFIG_BACKLIGHT_SPRD_PWM_MODULE))
{ .compatible = "sprd,sprd_pwm_bl", .name = "sprd_pwm_bl" },
#endif
#if (defined(CONFIG_KEYBOARD_SC) || defined(CONFIG_KEYBOARD_SC_MODULE))
{.compatible = "sprd,sci-keypad", .name = "sci-keypad" },
#endif
#if (defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE))
{.compatible = "gpio-keys", .name = "gpio-keys" },
#endif
#if (defined(CONFIG_KEYBOARD_SPRD_EIC) || defined(CONFIG_KEYBOARD_SPRD_EIC_MODULE))
{.compatible = "sprd,sprd-eic-keys", .name = "sprd-eic-keys" },
#endif
#if (defined(CONFIG_INPUT_HEADSET_SPRD_SC2723) || defined(CONFIG_INPUT_HEADSET_SPRD_SC2723_MODULE))
{ .compatible = "sprd,headset_sprd_sc2723", .name = "headset_sprd_sc2723" },
#endif
{}
};
struct iotable_sprd io_addr_sprd;
EXPORT_SYMBOL(io_addr_sprd);
int iotable_build()
{
struct device_node *np;
struct resource res;
#define ADD_SPRD_DEVICE(compat, id) \
do { \
np = of_find_compatible_node(NULL, NULL, compat);\
if (of_can_translate_address(np)) { \
of_address_to_resource(np, 0, &res); \
io_addr_sprd.id.paddr = res.start; \
io_addr_sprd.id.length = \
resource_size(&res); \
io_addr_sprd.id.vaddr = \
ioremap_nocache(res.start, io_addr_sprd.id.length);\
pr_debug("sprd io map: phys=%08x virt=%08x size=%08x\n", \
io_addr_sprd.id.paddr, io_addr_sprd.id.vaddr, io_addr_sprd.id.length);\
} \
} while (0)
#define ADD_SPRD_DEVICE_BY_NAME(name, id) \
do { \
np = of_find_node_by_name(NULL, name); \
if (of_can_translate_address(np)) { \
of_address_to_resource(np, 0, &res); \
io_addr_sprd.id.paddr = res.start; \
io_addr_sprd.id.length = \
resource_size(&res); \
io_addr_sprd.id.vaddr = \
ioremap_nocache(res.start, io_addr_sprd.id.length);\
pr_debug("sprd io map: phys=%16lx virt=%16lx size=%16lx\n", \
io_addr_sprd.id.paddr, io_addr_sprd.id.vaddr, io_addr_sprd.id.length);\
} \
} while (0)
ADD_SPRD_DEVICE("sprd,ahb", AHB);
ADD_SPRD_DEVICE("sprd,aonapb", AONAPB);
ADD_SPRD_DEVICE("sprd,aonckg", AONCKG);
ADD_SPRD_DEVICE("sprd,apbreg", APBREG);
ADD_SPRD_DEVICE("sprd,core", CORE);
ADD_SPRD_DEVICE("sprd,mmahb", MMAHB);
ADD_SPRD_DEVICE("sprd,pmu", PMU);
ADD_SPRD_DEVICE("sprd,mmckg", MMCKG);
ADD_SPRD_DEVICE("sprd,gpuapb", GPUAPB);
ADD_SPRD_DEVICE("sprd,apbckg", APBCKG);
ADD_SPRD_DEVICE("sprd,gpuckg", GPUCKG);
ADD_SPRD_DEVICE("sprd,int", INT);
ADD_SPRD_DEVICE("sprd,intc0", INTC0);
ADD_SPRD_DEVICE("sprd,intc1", INTC1);
ADD_SPRD_DEVICE("sprd,intc2", INTC2);
ADD_SPRD_DEVICE("sprd,intc3", INTC3);
ADD_SPRD_DEVICE("sprd,uidefuse", UIDEFUSE);
ADD_SPRD_DEVICE("sprd,isp", ISP);
ADD_SPRD_DEVICE("sprd,ca7wdg", CA7WDG);
ADD_SPRD_DEVICE("sprd,csi2", CSI2);
ADD_SPRD_DEVICE("sprd,d-eic-gpio", EIC);
ADD_SPRD_DEVICE("sprd,wdg", WDG);
ADD_SPRD_DEVICE("sprd,ipi", IPI);
ADD_SPRD_DEVICE("sprd,dcam", DCAM);
ADD_SPRD_DEVICE("sprd,syscnt", SYSCNT);
ADD_SPRD_DEVICE("sprd,dma0", DMA0);
ADD_SPRD_DEVICE("sprd,pub", PUB);
ADD_SPRD_DEVICE("sprd,pin", PIN);
ADD_SPRD_DEVICE("sprd,d-gpio-gpio", GPIO);
ADD_SPRD_DEVICE_BY_NAME("hwspinlock0", HWSPINLOCK0);
ADD_SPRD_DEVICE_BY_NAME("hwspinlock1", HWSPINLOCK1);
return 0;
}
static void __init sc8830_init_machine(void)
{
printk("sci get chip id = 0x%x\n", __sci_get_chip_id());
sci_adc_init();
#ifndef CONFIG_MACH_SPX35LFPGA
sci_regulator_init();
#endif
of_sprd_default_bus_lookup[0].phys_addr = 0x20300000;
of_sprd_default_bus_lookup[1].phys_addr = 0x20400000;
of_sprd_default_bus_lookup[2].phys_addr = 0x20500000;
of_sprd_default_bus_lookup[3].phys_addr = 0x20600000;
of_platform_populate(NULL, of_sprd_default_bus_match_table, of_sprd_default_bus_lookup, NULL);
sec_class = class_create(THIS_MODULE, "sec");
if (IS_ERR(sec_class)) {
pr_err("Failed to create class(sec)!\n");
printk("Failed create class \n");
return PTR_ERR(sec_class);
}
}
#ifdef CONFIG_OF
const struct of_device_id of_sprd_late_bus_match_table[] = {
{ .compatible = "sprd,sound", },
{}
};
#endif
static void __init sc8830_init_late(void)
{
of_platform_populate(of_find_node_by_path("/sprd-audio-devices"),
of_sprd_late_bus_match_table, NULL, NULL);
}
extern void __init sci_enable_timer_early(void);
extern void __init sc_init_chip_id(void);
void __init sprd_init_before_irq(void)
{
iotable_build();
sc_init_chip_id();
/* earlier init request than irq and timer */
__clock_init_early();
/*ipi reg init for sipc*/
sci_glb_set(REG_AON_APB_APB_EB0, BIT_IPI_EB);
}
static void __init sc8830_pmu_init(void)
{
__raw_writel(__raw_readl(REG_PMU_APB_PD_MM_TOP_CFG)
& ~(BIT_PD_MM_TOP_FORCE_SHUTDOWN),
REG_PMU_APB_PD_MM_TOP_CFG);
while (__raw_readl(REG_PMU_APB_PWR_STATUS0_DBG) & 0xf0000000) {};
__raw_writel(__raw_readl(REG_PMU_APB_PD_GPU_TOP_CFG)
& ~(BIT_PD_GPU_TOP_FORCE_SHUTDOWN),
REG_PMU_APB_PD_GPU_TOP_CFG);
while (__raw_readl(REG_PMU_APB_PWR_STATUS0_DBG) & 0x0f000000) {};
__raw_writel(__raw_readl(REG_AON_APB_APB_EB0) | BIT_MM_EB |
BIT_GPU_EB, REG_AON_APB_APB_EB0);
__raw_writel(__raw_readl(REG_MM_AHB_AHB_EB) | BIT_MM_CKG_EB,
REG_MM_AHB_AHB_EB);
__raw_writel(__raw_readl(REG_MM_AHB_GEN_CKG_CFG)
| BIT_MM_MTX_AXI_CKG_EN | BIT_MM_AXI_CKG_EN,
REG_MM_AHB_GEN_CKG_CFG);
__raw_writel(__raw_readl(REG_MM_CLK_MM_AHB_CFG) | 0x3,
REG_MM_CLK_MM_AHB_CFG);
}
static void sprd_init_time(void)
{
if (of_have_populated_dt()) {
sc8830_pmu_init();
of_clk_init(NULL);
clocksource_of_init();
} else {
sci_clock_init();
sci_enable_timer_early();
sci_timer_init();
}
}
static const char *sprd_boards_compat[] __initdata = {
"sprd,sp8835eb",
NULL,
};
extern struct smp_operations sprd_smp_ops;
MACHINE_START(SCPHONE, "sc8830")
.smp = smp_ops(sprd_smp_ops),
.reserve = sci_reserve,
.map_io = sci_map_io,
.init_irq = sci_init_irq,
.init_time = sprd_init_time,
.init_machine = sc8830_init_machine,
.init_late = sc8830_init_late,
.dt_compat = sprd_boards_compat,
MACHINE_END
|
