Commit | Line | Data |
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1a59d1b8 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
28ad94ec AR |
2 | /* |
3 | * Copyright STMicroelectronics, 2007. | |
28ad94ec AR |
4 | */ |
5 | ||
6 | #include <linux/types.h> | |
7 | #include <linux/init.h> | |
8 | #include <linux/device.h> | |
2ec1d359 | 9 | #include <linux/amba/bus.h> |
3e3c62ca | 10 | #include <linux/platform_device.h> |
35b47a40 | 11 | #include <linux/io.h> |
7c77852d LW |
12 | #include <linux/slab.h> |
13 | #include <linux/irq.h> | |
14 | #include <linux/dma-mapping.h> | |
f8635abd LW |
15 | #include <linux/of_irq.h> |
16 | #include <linux/of_address.h> | |
17 | #include <linux/of_platform.h> | |
28ad94ec | 18 | |
f8635abd | 19 | #include <asm/mach/arch.h> |
28ad94ec | 20 | #include <asm/mach/map.h> |
f8635abd | 21 | #include <asm/mach/time.h> |
27bda036 | 22 | #include <asm/mach-types.h> |
28ad94ec | 23 | |
0b260fd4 AR |
24 | #include <asm/cacheflush.h> |
25 | #include <asm/hardware/cache-l2x0.h> | |
26 | ||
dea3eacd LW |
27 | /* |
28 | * These are the only hard-coded address offsets we still have to use. | |
29 | */ | |
30 | #define NOMADIK_FSMC_BASE 0x10100000 /* FSMC registers */ | |
31 | #define NOMADIK_SDRAMC_BASE 0x10110000 /* SDRAM Controller */ | |
32 | #define NOMADIK_CLCDC_BASE 0x10120000 /* CLCD Controller */ | |
33 | #define NOMADIK_MDIF_BASE 0x10120000 /* MDIF */ | |
34 | #define NOMADIK_DMA0_BASE 0x10130000 /* DMA0 Controller */ | |
35 | #define NOMADIK_IC_BASE 0x10140000 /* Vectored Irq Controller */ | |
36 | #define NOMADIK_DMA1_BASE 0x10150000 /* DMA1 Controller */ | |
37 | #define NOMADIK_USB_BASE 0x10170000 /* USB-OTG conf reg base */ | |
38 | #define NOMADIK_CRYP_BASE 0x10180000 /* Crypto processor */ | |
39 | #define NOMADIK_SHA1_BASE 0x10190000 /* SHA-1 Processor */ | |
40 | #define NOMADIK_XTI_BASE 0x101A0000 /* XTI */ | |
41 | #define NOMADIK_RNG_BASE 0x101B0000 /* Random number generator */ | |
42 | #define NOMADIK_SRC_BASE 0x101E0000 /* SRC base */ | |
43 | #define NOMADIK_WDOG_BASE 0x101E1000 /* Watchdog */ | |
44 | #define NOMADIK_MTU0_BASE 0x101E2000 /* Multiple Timer 0 */ | |
45 | #define NOMADIK_MTU1_BASE 0x101E3000 /* Multiple Timer 1 */ | |
46 | #define NOMADIK_GPIO0_BASE 0x101E4000 /* GPIO0 */ | |
47 | #define NOMADIK_GPIO1_BASE 0x101E5000 /* GPIO1 */ | |
48 | #define NOMADIK_GPIO2_BASE 0x101E6000 /* GPIO2 */ | |
49 | #define NOMADIK_GPIO3_BASE 0x101E7000 /* GPIO3 */ | |
50 | #define NOMADIK_RTC_BASE 0x101E8000 /* Real Time Clock base */ | |
51 | #define NOMADIK_PMU_BASE 0x101E9000 /* Power Management Unit */ | |
52 | #define NOMADIK_OWM_BASE 0x101EA000 /* One wire master */ | |
53 | #define NOMADIK_SCR_BASE 0x101EF000 /* Secure Control registers */ | |
54 | #define NOMADIK_MSP2_BASE 0x101F0000 /* MSP 2 interface */ | |
55 | #define NOMADIK_MSP1_BASE 0x101F1000 /* MSP 1 interface */ | |
56 | #define NOMADIK_UART2_BASE 0x101F2000 /* UART 2 interface */ | |
57 | #define NOMADIK_SSIRx_BASE 0x101F3000 /* SSI 8-ch rx interface */ | |
58 | #define NOMADIK_SSITx_BASE 0x101F4000 /* SSI 8-ch tx interface */ | |
59 | #define NOMADIK_MSHC_BASE 0x101F5000 /* Memory Stick(Pro) Host */ | |
60 | #define NOMADIK_SDI_BASE 0x101F6000 /* SD-card/MM-Card */ | |
61 | #define NOMADIK_I2C1_BASE 0x101F7000 /* I2C1 interface */ | |
62 | #define NOMADIK_I2C0_BASE 0x101F8000 /* I2C0 interface */ | |
63 | #define NOMADIK_MSP0_BASE 0x101F9000 /* MSP 0 interface */ | |
64 | #define NOMADIK_FIRDA_BASE 0x101FA000 /* FIrDA interface */ | |
65 | #define NOMADIK_UART1_BASE 0x101FB000 /* UART 1 interface */ | |
66 | #define NOMADIK_SSP_BASE 0x101FC000 /* SSP interface */ | |
67 | #define NOMADIK_UART0_BASE 0x101FD000 /* UART 0 interface */ | |
68 | #define NOMADIK_SGA_BASE 0x101FE000 /* SGA interface */ | |
69 | #define NOMADIK_L2CC_BASE 0x10210000 /* L2 Cache controller */ | |
70 | #define NOMADIK_UART1_VBASE 0xF01FB000 | |
71 | ||
dea3eacd LW |
72 | /* This is needed for LL-debug/earlyprintk/debug-macro.S */ |
73 | static struct map_desc cpu8815_io_desc[] __initdata = { | |
28ad94ec | 74 | { |
dea3eacd LW |
75 | .virtual = NOMADIK_UART1_VBASE, |
76 | .pfn = __phys_to_pfn(NOMADIK_UART1_BASE), | |
77 | .length = SZ_4K, | |
78 | .type = MT_DEVICE, | |
79 | }, | |
28ad94ec AR |
80 | }; |
81 | ||
5f66d482 | 82 | static void __init cpu8815_map_io(void) |
28ad94ec | 83 | { |
dea3eacd | 84 | iotable_init(cpu8815_io_desc, ARRAY_SIZE(cpu8815_io_desc)); |
28ad94ec AR |
85 | } |
86 | ||
7b6d864b | 87 | static void cpu8815_restart(enum reboot_mode mode, const char *cmd) |
35b47a40 | 88 | { |
dea3eacd | 89 | void __iomem *srcbase = ioremap(NOMADIK_SRC_BASE, SZ_4K); |
35b47a40 RK |
90 | |
91 | /* FIXME: use egpio when implemented */ | |
92 | ||
93 | /* Write anything to Reset status register */ | |
dea3eacd | 94 | writel(1, srcbase + 0x18); |
35b47a40 | 95 | } |
f8635abd | 96 | |
f8635abd | 97 | static const char * cpu8815_board_compat[] = { |
451f2334 | 98 | "st,nomadik-nhk-15", |
f8635abd LW |
99 | "calaosystems,usb-s8815", |
100 | NULL, | |
101 | }; | |
102 | ||
103 | DT_MACHINE_START(NOMADIK_DT, "Nomadik STn8815") | |
98badfd3 LW |
104 | .l2c_aux_val = 0, |
105 | .l2c_aux_mask = ~0, | |
f8635abd | 106 | .map_io = cpu8815_map_io, |
f8635abd LW |
107 | .restart = cpu8815_restart, |
108 | .dt_compat = cpu8815_board_compat, | |
109 | MACHINE_END |