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 */ |
60 | static 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 | |
69 | static void __init cpu8815_map_io(void) |
70 | { |
71 | iotable_init(cpu8815_io_desc, ARRAY_SIZE(cpu8815_io_desc)); |
72 | } |
73 | |
74 | static void cpu8815_restart(enum reboot_mode mode, const char *cmd) |
75 | { |
76 | void __iomem *srcbase = ioremap(NOMADIK_SRC_BASE, size: SZ_4K); |
77 | |
78 | /* FIXME: use egpio when implemented */ |
79 | |
80 | /* Write anything to Reset status register */ |
81 | writel(val: 1, addr: srcbase + 0x18); |
82 | } |
83 | |
84 | static const char * cpu8815_board_compat[] = { |
85 | "st,nomadik-nhk-15" , |
86 | "calaosystems,usb-s8815" , |
87 | NULL, |
88 | }; |
89 | |
90 | DT_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, |
96 | MACHINE_END |
97 | |