1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright STMicroelectronics, 2007.
4 */
5
6#include <linux/types.h>
7#include <linux/init.h>
8#include <linux/io.h>
9
10#include <asm/mach/arch.h>
11#include <asm/mach/map.h>
12#include <asm/mach-types.h>
13
14/*
15 * These are the only hard-coded address offsets we still have to use.
16 */
17#define NOMADIK_FSMC_BASE	0x10100000	/* FSMC registers */
18#define NOMADIK_SDRAMC_BASE	0x10110000	/* SDRAM Controller */
19#define NOMADIK_CLCDC_BASE	0x10120000	/* CLCD Controller */
20#define NOMADIK_MDIF_BASE	0x10120000	/* MDIF */
21#define NOMADIK_DMA0_BASE	0x10130000	/* DMA0 Controller */
22#define NOMADIK_IC_BASE		0x10140000	/* Vectored Irq Controller */
23#define NOMADIK_DMA1_BASE	0x10150000	/* DMA1 Controller */
24#define NOMADIK_USB_BASE	0x10170000	/* USB-OTG conf reg base */
25#define NOMADIK_CRYP_BASE	0x10180000	/* Crypto processor */
26#define NOMADIK_SHA1_BASE	0x10190000	/* SHA-1 Processor */
27#define NOMADIK_XTI_BASE	0x101A0000	/* XTI */
28#define NOMADIK_RNG_BASE	0x101B0000	/* Random number generator */
29#define NOMADIK_SRC_BASE	0x101E0000	/* SRC base */
30#define NOMADIK_WDOG_BASE	0x101E1000	/* Watchdog */
31#define NOMADIK_MTU0_BASE	0x101E2000	/* Multiple Timer 0 */
32#define NOMADIK_MTU1_BASE	0x101E3000	/* Multiple Timer 1 */
33#define NOMADIK_GPIO0_BASE	0x101E4000	/* GPIO0 */
34#define NOMADIK_GPIO1_BASE	0x101E5000	/* GPIO1 */
35#define NOMADIK_GPIO2_BASE	0x101E6000	/* GPIO2 */
36#define NOMADIK_GPIO3_BASE	0x101E7000	/* GPIO3 */
37#define NOMADIK_RTC_BASE	0x101E8000	/* Real Time Clock base */
38#define NOMADIK_PMU_BASE	0x101E9000	/* Power Management Unit */
39#define NOMADIK_OWM_BASE	0x101EA000	/* One wire master */
40#define NOMADIK_SCR_BASE	0x101EF000	/* Secure Control registers */
41#define NOMADIK_MSP2_BASE	0x101F0000	/* MSP 2 interface */
42#define NOMADIK_MSP1_BASE	0x101F1000	/* MSP 1 interface */
43#define NOMADIK_UART2_BASE	0x101F2000	/* UART 2 interface */
44#define NOMADIK_SSIRx_BASE	0x101F3000	/* SSI 8-ch rx interface */
45#define NOMADIK_SSITx_BASE	0x101F4000	/* SSI 8-ch tx interface */
46#define NOMADIK_MSHC_BASE	0x101F5000	/* Memory Stick(Pro) Host */
47#define NOMADIK_SDI_BASE	0x101F6000	/* SD-card/MM-Card */
48#define NOMADIK_I2C1_BASE	0x101F7000	/* I2C1 interface */
49#define NOMADIK_I2C0_BASE	0x101F8000	/* I2C0 interface */
50#define NOMADIK_MSP0_BASE	0x101F9000	/* MSP 0 interface */
51#define NOMADIK_FIRDA_BASE	0x101FA000	/* FIrDA interface */
52#define NOMADIK_UART1_BASE	0x101FB000	/* UART 1 interface */
53#define NOMADIK_SSP_BASE	0x101FC000	/* SSP interface */
54#define NOMADIK_UART0_BASE	0x101FD000	/* UART 0 interface */
55#define NOMADIK_SGA_BASE	0x101FE000	/* SGA interface */
56#define NOMADIK_L2CC_BASE	0x10210000	/* L2 Cache controller */
57#define NOMADIK_UART1_VBASE	0xF01FB000
58
59/* This is needed for LL-debug/earlyprintk/debug-macro.S */
60static struct map_desc cpu8815_io_desc[] __initdata = {
61	{
62		.virtual =	NOMADIK_UART1_VBASE,
63		.pfn =		__phys_to_pfn(NOMADIK_UART1_BASE),
64		.length =	SZ_4K,
65		.type =		MT_DEVICE,
66	},
67};
68
69static void __init cpu8815_map_io(void)
70{
71	iotable_init(cpu8815_io_desc, ARRAY_SIZE(cpu8815_io_desc));
72}
73
74static void cpu8815_restart(enum reboot_mode mode, const char *cmd)
75{
76	void __iomem *srcbase = ioremap(NOMADIK_SRC_BASE, SZ_4K);
77
78	/* FIXME: use egpio when implemented */
79
80	/* Write anything to Reset status register */
81	writel(1, srcbase + 0x18);
82}
83
84static const char * cpu8815_board_compat[] = {
85	"st,nomadik-nhk-15",
86	"calaosystems,usb-s8815",
87	NULL,
88};
89
90DT_MACHINE_START(NOMADIK_DT, "Nomadik STn8815")
91	.l2c_aux_val	= 0,
92	.l2c_aux_mask	= ~0,
93	.map_io		= cpu8815_map_io,
94	.restart	= cpu8815_restart,
95	.dt_compat      = cpu8815_board_compat,
96MACHINE_END
97