[thirdparty/kernel/stable.git] / arch / arm / mach-mmp / pxa910.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 *  linux/arch/arm/mach-mmp/pxa910.c
 *
 *  Code specific to PXA910
 */
#include <linux/clk/mmp.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/list.h>
#include <linux/io.h>
#include <linux/irq.h>
#include <linux/irqchip/mmp.h>
#include <linux/platform_device.h>

#include <asm/hardware/cache-tauros2.h>
#include <asm/mach/time.h>
#include "addr-map.h"
#include "regs-apbc.h"
#include "cputype.h"
#include "irqs.h"
#include "mfp.h"
#include "devices.h"
#include "pm-pxa910.h"
#include "pxa910.h"

#include "common.h"

#define MFPR_VIRT_BASE	(APB_VIRT_BASE + 0x1e000)

static struct mfp_addr_map pxa910_mfp_addr_map[] __initdata =
{
	MFP_ADDR_X(GPIO0, GPIO54, 0xdc),
	MFP_ADDR_X(GPIO67, GPIO98, 0x1b8),
	MFP_ADDR_X(GPIO100, GPIO109, 0x238),

	MFP_ADDR(GPIO123, 0xcc),
	MFP_ADDR(GPIO124, 0xd0),

	MFP_ADDR(DF_IO0, 0x40),
	MFP_ADDR(DF_IO1, 0x3c),
	MFP_ADDR(DF_IO2, 0x38),
	MFP_ADDR(DF_IO3, 0x34),
	MFP_ADDR(DF_IO4, 0x30),
	MFP_ADDR(DF_IO5, 0x2c),
	MFP_ADDR(DF_IO6, 0x28),
	MFP_ADDR(DF_IO7, 0x24),
	MFP_ADDR(DF_IO8, 0x20),
	MFP_ADDR(DF_IO9, 0x1c),
	MFP_ADDR(DF_IO10, 0x18),
	MFP_ADDR(DF_IO11, 0x14),
	MFP_ADDR(DF_IO12, 0x10),
	MFP_ADDR(DF_IO13, 0xc),
	MFP_ADDR(DF_IO14, 0x8),
	MFP_ADDR(DF_IO15, 0x4),

	MFP_ADDR(DF_nCS0_SM_nCS2, 0x44),
	MFP_ADDR(DF_nCS1_SM_nCS3, 0x48),
	MFP_ADDR(SM_nCS0, 0x4c),
	MFP_ADDR(SM_nCS1, 0x50),
	MFP_ADDR(DF_WEn, 0x54),
	MFP_ADDR(DF_REn, 0x58),
	MFP_ADDR(DF_CLE_SM_OEn, 0x5c),
	MFP_ADDR(DF_ALE_SM_WEn, 0x60),
	MFP_ADDR(SM_SCLK, 0x64),
	MFP_ADDR(DF_RDY0, 0x68),
	MFP_ADDR(SM_BE0, 0x6c),
	MFP_ADDR(SM_BE1, 0x70),
	MFP_ADDR(SM_ADV, 0x74),
	MFP_ADDR(DF_RDY1, 0x78),
	MFP_ADDR(SM_ADVMUX, 0x7c),
	MFP_ADDR(SM_RDY, 0x80),

	MFP_ADDR_X(MMC1_DAT7, MMC1_WP, 0x84),

	MFP_ADDR_END,
};

void __init pxa910_init_irq(void)
{
	icu_init_irq();
#ifdef CONFIG_PM
	icu_irq_chip.irq_set_wake = pxa910_set_wake;
#endif
}

static int __init pxa910_init(void)
{
	if (cpu_is_pxa910()) {
#ifdef CONFIG_CACHE_TAUROS2
		tauros2_init(0);
#endif
		mfp_init_base(MFPR_VIRT_BASE);
		mfp_init_addr(pxa910_mfp_addr_map);
		pxa910_clk_init(APB_PHYS_BASE + 0x50000,
				AXI_PHYS_BASE + 0x82800,
				APB_PHYS_BASE + 0x15000,
				APB_PHYS_BASE + 0x3b000);
	}

	return 0;
}
postcore_initcall(pxa910_init);

/* system timer - clock enabled, 3.25MHz */
#define TIMER_CLK_RST	(APBC_APBCLK | APBC_FNCLK | APBC_FNCLKSEL(3))
#define APBC_TIMERS	APBC_REG(0x34)

void __init pxa910_timer_init(void)
{
	/* reset and configure */
	__raw_writel(APBC_APBCLK | APBC_RST, APBC_TIMERS);
	__raw_writel(TIMER_CLK_RST, APBC_TIMERS);

	mmp_timer_init(IRQ_PXA910_AP1_TIMER1, 3250000);
}

/* on-chip devices */

/* NOTE: there are totally 3 UARTs on PXA910:
 *
 *   UART1   - Slow UART (can be used both by AP and CP)
 *   UART2/3 - Fast UART
 *
 * To be backward compatible with the legacy FFUART/BTUART/STUART sequence,
 * they are re-ordered as:
 *
 *   pxa910_device_uart1 - UART2 as FFUART
 *   pxa910_device_uart2 - UART3 as BTUART
 *
 * UART1 is not used by AP for the moment.
 */
PXA910_DEVICE(uart1, "pxa2xx-uart", 0, UART2, 0xd4017000, 0x30, 21, 22);
PXA910_DEVICE(uart2, "pxa2xx-uart", 1, UART3, 0xd4018000, 0x30, 23, 24);
PXA910_DEVICE(twsi0, "pxa2xx-i2c", 0, TWSI0, 0xd4011000, 0x28);
PXA910_DEVICE(twsi1, "pxa2xx-i2c", 1, TWSI1, 0xd4025000, 0x28);
PXA910_DEVICE(pwm1, "pxa910-pwm", 0, NONE, 0xd401a000, 0x10);
PXA910_DEVICE(pwm2, "pxa910-pwm", 1, NONE, 0xd401a400, 0x10);
PXA910_DEVICE(pwm3, "pxa910-pwm", 2, NONE, 0xd401a800, 0x10);
PXA910_DEVICE(pwm4, "pxa910-pwm", 3, NONE, 0xd401ac00, 0x10);
PXA910_DEVICE(nand, "pxa3xx-nand", -1, NAND, 0xd4283000, 0x80, 97, 99);
PXA910_DEVICE(disp, "mmp-disp", 0, LCD, 0xd420b000, 0x1ec);
PXA910_DEVICE(fb, "mmp-fb", -1, NONE, 0, 0);
PXA910_DEVICE(panel, "tpo-hvga", -1, NONE, 0, 0);

struct resource pxa910_resource_gpio[] = {
	{
		.start	= 0xd4019000,
		.end	= 0xd4019fff,
		.flags	= IORESOURCE_MEM,
	}, {
		.start	= IRQ_PXA910_AP_GPIO,
		.end	= IRQ_PXA910_AP_GPIO,
		.name	= "gpio_mux",
		.flags	= IORESOURCE_IRQ,
	},
};

struct platform_device pxa910_device_gpio = {
	.name		= "mmp-gpio",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(pxa910_resource_gpio),
	.resource	= pxa910_resource_gpio,
};

static struct resource pxa910_resource_rtc[] = {
	{
		.start	= 0xd4010000,
		.end	= 0xd401003f,
		.flags	= IORESOURCE_MEM,
	}, {
		.start	= IRQ_PXA910_RTC_INT,
		.end	= IRQ_PXA910_RTC_INT,
		.name	= "rtc 1Hz",
		.flags	= IORESOURCE_IRQ,
	}, {
		.start	= IRQ_PXA910_RTC_ALARM,
		.end	= IRQ_PXA910_RTC_ALARM,
		.name	= "rtc alarm",
		.flags	= IORESOURCE_IRQ,
	},
};

struct platform_device pxa910_device_rtc = {
	.name		= "sa1100-rtc",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(pxa910_resource_rtc),
	.resource	= pxa910_resource_rtc,
};
Commit	Line	Data
d2912cb1	1	// SPDX-License-Identifier: GPL-2.0-only
14c6b5e7 EM	2	/*
	3	* linux/arch/arm/mach-mmp/pxa910.c
	4	*
	5	* Code specific to PXA910
14c6b5e7	6	*/
990f2f22	7	#include <linux/clk/mmp.h>
14c6b5e7 EM	8	#include <linux/module.h>
	9	#include <linux/kernel.h>
	10	#include <linux/init.h>
	11	#include <linux/list.h>
	12	#include <linux/io.h>
0f102b6c HZ	13	#include <linux/irq.h>
0f102b6c HZ	14	#include <linux/irqchip/mmp.h>
157d2644	15	#include <linux/platform_device.h>
14c6b5e7	16
a03d8b1e	17	#include <asm/hardware/cache-tauros2.h>
14c6b5e7	18	#include <asm/mach/time.h>
b501fd7b AB	19	#include "addr-map.h"
	20	#include "regs-apbc.h"
	21	#include "cputype.h"
	22	#include "irqs.h"
	23	#include "mfp.h"
	24	#include "devices.h"
	25	#include "pm-pxa910.h"
	26	#include "pxa910.h"
14c6b5e7 EM	27
14c6b5e7 EM	28	#include "common.h"
14c6b5e7 EM	29
	30	#define MFPR_VIRT_BASE (APB_VIRT_BASE + 0x1e000)
	31
	32	static struct mfp_addr_map pxa910_mfp_addr_map[] __initdata =
	33	{
	34	MFP_ADDR_X(GPIO0, GPIO54, 0xdc),
	35	MFP_ADDR_X(GPIO67, GPIO98, 0x1b8),
	36	MFP_ADDR_X(GPIO100, GPIO109, 0x238),
	37
	38	MFP_ADDR(GPIO123, 0xcc),
	39	MFP_ADDR(GPIO124, 0xd0),
	40
	41	MFP_ADDR(DF_IO0, 0x40),
	42	MFP_ADDR(DF_IO1, 0x3c),
	43	MFP_ADDR(DF_IO2, 0x38),
	44	MFP_ADDR(DF_IO3, 0x34),
	45	MFP_ADDR(DF_IO4, 0x30),
	46	MFP_ADDR(DF_IO5, 0x2c),
	47	MFP_ADDR(DF_IO6, 0x28),
	48	MFP_ADDR(DF_IO7, 0x24),
	49	MFP_ADDR(DF_IO8, 0x20),
	50	MFP_ADDR(DF_IO9, 0x1c),
	51	MFP_ADDR(DF_IO10, 0x18),
	52	MFP_ADDR(DF_IO11, 0x14),
	53	MFP_ADDR(DF_IO12, 0x10),
	54	MFP_ADDR(DF_IO13, 0xc),
	55	MFP_ADDR(DF_IO14, 0x8),
	56	MFP_ADDR(DF_IO15, 0x4),
	57
	58	MFP_ADDR(DF_nCS0_SM_nCS2, 0x44),
	59	MFP_ADDR(DF_nCS1_SM_nCS3, 0x48),
	60	MFP_ADDR(SM_nCS0, 0x4c),
	61	MFP_ADDR(SM_nCS1, 0x50),
	62	MFP_ADDR(DF_WEn, 0x54),
	63	MFP_ADDR(DF_REn, 0x58),
	64	MFP_ADDR(DF_CLE_SM_OEn, 0x5c),
	65	MFP_ADDR(DF_ALE_SM_WEn, 0x60),
	66	MFP_ADDR(SM_SCLK, 0x64),
	67	MFP_ADDR(DF_RDY0, 0x68),
	68	MFP_ADDR(SM_BE0, 0x6c),
	69	MFP_ADDR(SM_BE1, 0x70),
	70	MFP_ADDR(SM_ADV, 0x74),
	71	MFP_ADDR(DF_RDY1, 0x78),
	72	MFP_ADDR(SM_ADVMUX, 0x7c),
	73	MFP_ADDR(SM_RDY, 0x80),
	74
	75	MFP_ADDR_X(MMC1_DAT7, MMC1_WP, 0x84),
	76
	77	MFP_ADDR_END,
	78	};
	79
14c6b5e7 EM	80	void __init pxa910_init_irq(void)
	81	{
	82	icu_init_irq();
0f102b6c HZ	83	#ifdef CONFIG_PM
	84	icu_irq_chip.irq_set_wake = pxa910_set_wake;
	85	#endif
14c6b5e7 EM	86	}
14c6b5e7 EM	87
14c6b5e7 EM	88	static int __init pxa910_init(void)
	89	{
	90	if (cpu_is_pxa910()) {
a03d8b1e HZ	91	#ifdef CONFIG_CACHE_TAUROS2
	92	tauros2_init(0);
	93	#endif
14c6b5e7 EM	94	mfp_init_base(MFPR_VIRT_BASE);
14c6b5e7 EM	95	mfp_init_addr(pxa910_mfp_addr_map);
990f2f22 AB	96	pxa910_clk_init(APB_PHYS_BASE + 0x50000,
	97	AXI_PHYS_BASE + 0x82800,
	98	APB_PHYS_BASE + 0x15000,
	99	APB_PHYS_BASE + 0x3b000);
14c6b5e7 EM	100	}
	101
	102	return 0;
	103	}
	104	postcore_initcall(pxa910_init);
	105
	106	/* system timer - clock enabled, 3.25MHz */
	107	#define TIMER_CLK_RST (APBC_APBCLK \| APBC_FNCLK \| APBC_FNCLKSEL(3))
9e73d698	108	#define APBC_TIMERS APBC_REG(0x34)
14c6b5e7	109
6bb27d73	110	void __init pxa910_timer_init(void)
14c6b5e7 EM	111	{
14c6b5e7 EM	112	/* reset and configure */
9e73d698 CX	113	__raw_writel(APBC_APBCLK \| APBC_RST, APBC_TIMERS);
9e73d698 CX	114	__raw_writel(TIMER_CLK_RST, APBC_TIMERS);
14c6b5e7	115
12d3a30d	116	mmp_timer_init(IRQ_PXA910_AP1_TIMER1, 3250000);
14c6b5e7 EM	117	}
14c6b5e7 EM	118
14c6b5e7 EM	119	/* on-chip devices */
	120
	121	/* NOTE: there are totally 3 UARTs on PXA910:
	122	*
	123	* UART1 - Slow UART (can be used both by AP and CP)
	124	* UART2/3 - Fast UART
	125	*
	126	* To be backward compatible with the legacy FFUART/BTUART/STUART sequence,
	127	* they are re-ordered as:
	128	*
	129	* pxa910_device_uart1 - UART2 as FFUART
	130	* pxa910_device_uart2 - UART3 as BTUART
	131	*
	132	* UART1 is not used by AP for the moment.
	133	*/
	134	PXA910_DEVICE(uart1, "pxa2xx-uart", 0, UART2, 0xd4017000, 0x30, 21, 22);
	135	PXA910_DEVICE(uart2, "pxa2xx-uart", 1, UART3, 0xd4018000, 0x30, 23, 24);
1a77920e EM	136	PXA910_DEVICE(twsi0, "pxa2xx-i2c", 0, TWSI0, 0xd4011000, 0x28);
1a77920e EM	137	PXA910_DEVICE(twsi1, "pxa2xx-i2c", 1, TWSI1, 0xd4025000, 0x28);
a27ba768 EM	138	PXA910_DEVICE(pwm1, "pxa910-pwm", 0, NONE, 0xd401a000, 0x10);
	139	PXA910_DEVICE(pwm2, "pxa910-pwm", 1, NONE, 0xd401a400, 0x10);
	140	PXA910_DEVICE(pwm3, "pxa910-pwm", 2, NONE, 0xd401a800, 0x10);
	141	PXA910_DEVICE(pwm4, "pxa910-pwm", 3, NONE, 0xd401ac00, 0x10);
a0f266c1	142	PXA910_DEVICE(nand, "pxa3xx-nand", -1, NAND, 0xd4283000, 0x80, 97, 99);
333893cd ZZ	143	PXA910_DEVICE(disp, "mmp-disp", 0, LCD, 0xd420b000, 0x1ec);
	144	PXA910_DEVICE(fb, "mmp-fb", -1, NONE, 0, 0);
	145	PXA910_DEVICE(panel, "tpo-hvga", -1, NONE, 0, 0);
157d2644 HZ	146
	147	struct resource pxa910_resource_gpio[] = {
	148	{
	149	.start = 0xd4019000,
	150	.end = 0xd4019fff,
	151	.flags = IORESOURCE_MEM,
	152	}, {
	153	.start = IRQ_PXA910_AP_GPIO,
	154	.end = IRQ_PXA910_AP_GPIO,
93413c36	155	.name = "gpio_mux",
157d2644 HZ	156	.flags = IORESOURCE_IRQ,
	157	},
	158	};
	159
	160	struct platform_device pxa910_device_gpio = {
2cab0292	161	.name = "mmp-gpio",
157d2644 HZ	162	.id = -1,
	163	.num_resources = ARRAY_SIZE(pxa910_resource_gpio),
	164	.resource = pxa910_resource_gpio,
	165	};
4128e275 HZ	166
	167	static struct resource pxa910_resource_rtc[] = {
	168	{
	169	.start = 0xd4010000,
	170	.end = 0xd401003f,
	171	.flags = IORESOURCE_MEM,
	172	}, {
	173	.start = IRQ_PXA910_RTC_INT,
	174	.end = IRQ_PXA910_RTC_INT,
	175	.name = "rtc 1Hz",
	176	.flags = IORESOURCE_IRQ,
	177	}, {
	178	.start = IRQ_PXA910_RTC_ALARM,
	179	.end = IRQ_PXA910_RTC_ALARM,
	180	.name = "rtc alarm",
	181	.flags = IORESOURCE_IRQ,
	182	},
	183	};
	184
	185	struct platform_device pxa910_device_rtc = {
	186	.name = "sa1100-rtc",
	187	.id = -1,
	188	.num_resources = ARRAY_SIZE(pxa910_resource_rtc),
	189	.resource = pxa910_resource_rtc,
	190	};