11a59d1b8SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later 228ad94ecSAlessandro Rubini /* 328ad94ecSAlessandro Rubini * Copyright STMicroelectronics, 2007. 428ad94ecSAlessandro Rubini */ 528ad94ecSAlessandro Rubini 628ad94ecSAlessandro Rubini #include <linux/types.h> 728ad94ecSAlessandro Rubini #include <linux/init.h> 828ad94ecSAlessandro Rubini #include <linux/device.h> 92ec1d359SAlessandro Rubini #include <linux/amba/bus.h> 103e3c62caSRabin Vincent #include <linux/platform_device.h> 1135b47a40SRussell King #include <linux/io.h> 127c77852dSLinus Walleij #include <linux/slab.h> 137c77852dSLinus Walleij #include <linux/irq.h> 147c77852dSLinus Walleij #include <linux/dma-mapping.h> 15f8635abdSLinus Walleij #include <linux/of_irq.h> 16f8635abdSLinus Walleij #include <linux/of_address.h> 17f8635abdSLinus Walleij #include <linux/of_platform.h> 1828ad94ecSAlessandro Rubini 19f8635abdSLinus Walleij #include <asm/mach/arch.h> 2028ad94ecSAlessandro Rubini #include <asm/mach/map.h> 21f8635abdSLinus Walleij #include <asm/mach/time.h> 2227bda036SLinus Walleij #include <asm/mach-types.h> 2328ad94ecSAlessandro Rubini 240b260fd4SAlessandro Rubini #include <asm/cacheflush.h> 250b260fd4SAlessandro Rubini #include <asm/hardware/cache-l2x0.h> 260b260fd4SAlessandro Rubini 27dea3eacdSLinus Walleij /* 28dea3eacdSLinus Walleij * These are the only hard-coded address offsets we still have to use. 29dea3eacdSLinus Walleij */ 30dea3eacdSLinus Walleij #define NOMADIK_FSMC_BASE 0x10100000 /* FSMC registers */ 31dea3eacdSLinus Walleij #define NOMADIK_SDRAMC_BASE 0x10110000 /* SDRAM Controller */ 32dea3eacdSLinus Walleij #define NOMADIK_CLCDC_BASE 0x10120000 /* CLCD Controller */ 33dea3eacdSLinus Walleij #define NOMADIK_MDIF_BASE 0x10120000 /* MDIF */ 34dea3eacdSLinus Walleij #define NOMADIK_DMA0_BASE 0x10130000 /* DMA0 Controller */ 35dea3eacdSLinus Walleij #define NOMADIK_IC_BASE 0x10140000 /* Vectored Irq Controller */ 36dea3eacdSLinus Walleij #define NOMADIK_DMA1_BASE 0x10150000 /* DMA1 Controller */ 37dea3eacdSLinus Walleij #define NOMADIK_USB_BASE 0x10170000 /* USB-OTG conf reg base */ 38dea3eacdSLinus Walleij #define NOMADIK_CRYP_BASE 0x10180000 /* Crypto processor */ 39dea3eacdSLinus Walleij #define NOMADIK_SHA1_BASE 0x10190000 /* SHA-1 Processor */ 40dea3eacdSLinus Walleij #define NOMADIK_XTI_BASE 0x101A0000 /* XTI */ 41dea3eacdSLinus Walleij #define NOMADIK_RNG_BASE 0x101B0000 /* Random number generator */ 42dea3eacdSLinus Walleij #define NOMADIK_SRC_BASE 0x101E0000 /* SRC base */ 43dea3eacdSLinus Walleij #define NOMADIK_WDOG_BASE 0x101E1000 /* Watchdog */ 44dea3eacdSLinus Walleij #define NOMADIK_MTU0_BASE 0x101E2000 /* Multiple Timer 0 */ 45dea3eacdSLinus Walleij #define NOMADIK_MTU1_BASE 0x101E3000 /* Multiple Timer 1 */ 46dea3eacdSLinus Walleij #define NOMADIK_GPIO0_BASE 0x101E4000 /* GPIO0 */ 47dea3eacdSLinus Walleij #define NOMADIK_GPIO1_BASE 0x101E5000 /* GPIO1 */ 48dea3eacdSLinus Walleij #define NOMADIK_GPIO2_BASE 0x101E6000 /* GPIO2 */ 49dea3eacdSLinus Walleij #define NOMADIK_GPIO3_BASE 0x101E7000 /* GPIO3 */ 50dea3eacdSLinus Walleij #define NOMADIK_RTC_BASE 0x101E8000 /* Real Time Clock base */ 51dea3eacdSLinus Walleij #define NOMADIK_PMU_BASE 0x101E9000 /* Power Management Unit */ 52dea3eacdSLinus Walleij #define NOMADIK_OWM_BASE 0x101EA000 /* One wire master */ 53dea3eacdSLinus Walleij #define NOMADIK_SCR_BASE 0x101EF000 /* Secure Control registers */ 54dea3eacdSLinus Walleij #define NOMADIK_MSP2_BASE 0x101F0000 /* MSP 2 interface */ 55dea3eacdSLinus Walleij #define NOMADIK_MSP1_BASE 0x101F1000 /* MSP 1 interface */ 56dea3eacdSLinus Walleij #define NOMADIK_UART2_BASE 0x101F2000 /* UART 2 interface */ 57dea3eacdSLinus Walleij #define NOMADIK_SSIRx_BASE 0x101F3000 /* SSI 8-ch rx interface */ 58dea3eacdSLinus Walleij #define NOMADIK_SSITx_BASE 0x101F4000 /* SSI 8-ch tx interface */ 59dea3eacdSLinus Walleij #define NOMADIK_MSHC_BASE 0x101F5000 /* Memory Stick(Pro) Host */ 60dea3eacdSLinus Walleij #define NOMADIK_SDI_BASE 0x101F6000 /* SD-card/MM-Card */ 61dea3eacdSLinus Walleij #define NOMADIK_I2C1_BASE 0x101F7000 /* I2C1 interface */ 62dea3eacdSLinus Walleij #define NOMADIK_I2C0_BASE 0x101F8000 /* I2C0 interface */ 63dea3eacdSLinus Walleij #define NOMADIK_MSP0_BASE 0x101F9000 /* MSP 0 interface */ 64dea3eacdSLinus Walleij #define NOMADIK_FIRDA_BASE 0x101FA000 /* FIrDA interface */ 65dea3eacdSLinus Walleij #define NOMADIK_UART1_BASE 0x101FB000 /* UART 1 interface */ 66dea3eacdSLinus Walleij #define NOMADIK_SSP_BASE 0x101FC000 /* SSP interface */ 67dea3eacdSLinus Walleij #define NOMADIK_UART0_BASE 0x101FD000 /* UART 0 interface */ 68dea3eacdSLinus Walleij #define NOMADIK_SGA_BASE 0x101FE000 /* SGA interface */ 69dea3eacdSLinus Walleij #define NOMADIK_L2CC_BASE 0x10210000 /* L2 Cache controller */ 70dea3eacdSLinus Walleij #define NOMADIK_UART1_VBASE 0xF01FB000 71dea3eacdSLinus Walleij 72dea3eacdSLinus Walleij /* This is needed for LL-debug/earlyprintk/debug-macro.S */ 73dea3eacdSLinus Walleij static struct map_desc cpu8815_io_desc[] __initdata = { 7428ad94ecSAlessandro Rubini { 75dea3eacdSLinus Walleij .virtual = NOMADIK_UART1_VBASE, 76dea3eacdSLinus Walleij .pfn = __phys_to_pfn(NOMADIK_UART1_BASE), 77dea3eacdSLinus Walleij .length = SZ_4K, 7828ad94ecSAlessandro Rubini .type = MT_DEVICE, 79dea3eacdSLinus Walleij }, 8028ad94ecSAlessandro Rubini }; 8128ad94ecSAlessandro Rubini 825f66d482SLinus Walleij static void __init cpu8815_map_io(void) 8328ad94ecSAlessandro Rubini { 84dea3eacdSLinus Walleij iotable_init(cpu8815_io_desc, ARRAY_SIZE(cpu8815_io_desc)); 8528ad94ecSAlessandro Rubini } 8628ad94ecSAlessandro Rubini 877b6d864bSRobin Holt static void cpu8815_restart(enum reboot_mode mode, const char *cmd) 8835b47a40SRussell King { 89dea3eacdSLinus Walleij void __iomem *srcbase = ioremap(NOMADIK_SRC_BASE, SZ_4K); 9035b47a40SRussell King 9135b47a40SRussell King /* FIXME: use egpio when implemented */ 9235b47a40SRussell King 9335b47a40SRussell King /* Write anything to Reset status register */ 94dea3eacdSLinus Walleij writel(1, srcbase + 0x18); 9535b47a40SRussell King } 96f8635abdSLinus Walleij 97f8635abdSLinus Walleij static const char * cpu8815_board_compat[] = { 98451f2334SLinus Walleij "st,nomadik-nhk-15", 99f8635abdSLinus Walleij "calaosystems,usb-s8815", 100f8635abdSLinus Walleij NULL, 101f8635abdSLinus Walleij }; 102f8635abdSLinus Walleij 103f8635abdSLinus Walleij DT_MACHINE_START(NOMADIK_DT, "Nomadik STn8815") 10498badfd3SLinus Walleij .l2c_aux_val = 0, 10598badfd3SLinus Walleij .l2c_aux_mask = ~0, 106f8635abdSLinus Walleij .map_io = cpu8815_map_io, 107f8635abdSLinus Walleij .restart = cpu8815_restart, 108f8635abdSLinus Walleij .dt_compat = cpu8815_board_compat, 109f8635abdSLinus Walleij MACHINE_END 110