| /* |
| * Copyright STMicroelectronics, 2007. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #include <linux/types.h> |
| #include <linux/init.h> |
| #include <linux/device.h> |
| #include <linux/amba/bus.h> |
| #include <linux/platform_device.h> |
| #include <linux/io.h> |
| #include <linux/slab.h> |
| #include <linux/irq.h> |
| #include <linux/dma-mapping.h> |
| #include <linux/of_irq.h> |
| #include <linux/of_address.h> |
| #include <linux/of_platform.h> |
| |
| #include <asm/mach/arch.h> |
| #include <asm/mach/map.h> |
| #include <asm/mach/time.h> |
| #include <asm/mach-types.h> |
| |
| #include <asm/cacheflush.h> |
| #include <asm/hardware/cache-l2x0.h> |
| |
| /* |
| * These are the only hard-coded address offsets we still have to use. |
| */ |
| #define NOMADIK_FSMC_BASE 0x10100000 /* FSMC registers */ |
| #define NOMADIK_SDRAMC_BASE 0x10110000 /* SDRAM Controller */ |
| #define NOMADIK_CLCDC_BASE 0x10120000 /* CLCD Controller */ |
| #define NOMADIK_MDIF_BASE 0x10120000 /* MDIF */ |
| #define NOMADIK_DMA0_BASE 0x10130000 /* DMA0 Controller */ |
| #define NOMADIK_IC_BASE 0x10140000 /* Vectored Irq Controller */ |
| #define NOMADIK_DMA1_BASE 0x10150000 /* DMA1 Controller */ |
| #define NOMADIK_USB_BASE 0x10170000 /* USB-OTG conf reg base */ |
| #define NOMADIK_CRYP_BASE 0x10180000 /* Crypto processor */ |
| #define NOMADIK_SHA1_BASE 0x10190000 /* SHA-1 Processor */ |
| #define NOMADIK_XTI_BASE 0x101A0000 /* XTI */ |
| #define NOMADIK_RNG_BASE 0x101B0000 /* Random number generator */ |
| #define NOMADIK_SRC_BASE 0x101E0000 /* SRC base */ |
| #define NOMADIK_WDOG_BASE 0x101E1000 /* Watchdog */ |
| #define NOMADIK_MTU0_BASE 0x101E2000 /* Multiple Timer 0 */ |
| #define NOMADIK_MTU1_BASE 0x101E3000 /* Multiple Timer 1 */ |
| #define NOMADIK_GPIO0_BASE 0x101E4000 /* GPIO0 */ |
| #define NOMADIK_GPIO1_BASE 0x101E5000 /* GPIO1 */ |
| #define NOMADIK_GPIO2_BASE 0x101E6000 /* GPIO2 */ |
| #define NOMADIK_GPIO3_BASE 0x101E7000 /* GPIO3 */ |
| #define NOMADIK_RTC_BASE 0x101E8000 /* Real Time Clock base */ |
| #define NOMADIK_PMU_BASE 0x101E9000 /* Power Management Unit */ |
| #define NOMADIK_OWM_BASE 0x101EA000 /* One wire master */ |
| #define NOMADIK_SCR_BASE 0x101EF000 /* Secure Control registers */ |
| #define NOMADIK_MSP2_BASE 0x101F0000 /* MSP 2 interface */ |
| #define NOMADIK_MSP1_BASE 0x101F1000 /* MSP 1 interface */ |
| #define NOMADIK_UART2_BASE 0x101F2000 /* UART 2 interface */ |
| #define NOMADIK_SSIRx_BASE 0x101F3000 /* SSI 8-ch rx interface */ |
| #define NOMADIK_SSITx_BASE 0x101F4000 /* SSI 8-ch tx interface */ |
| #define NOMADIK_MSHC_BASE 0x101F5000 /* Memory Stick(Pro) Host */ |
| #define NOMADIK_SDI_BASE 0x101F6000 /* SD-card/MM-Card */ |
| #define NOMADIK_I2C1_BASE 0x101F7000 /* I2C1 interface */ |
| #define NOMADIK_I2C0_BASE 0x101F8000 /* I2C0 interface */ |
| #define NOMADIK_MSP0_BASE 0x101F9000 /* MSP 0 interface */ |
| #define NOMADIK_FIRDA_BASE 0x101FA000 /* FIrDA interface */ |
| #define NOMADIK_UART1_BASE 0x101FB000 /* UART 1 interface */ |
| #define NOMADIK_SSP_BASE 0x101FC000 /* SSP interface */ |
| #define NOMADIK_UART0_BASE 0x101FD000 /* UART 0 interface */ |
| #define NOMADIK_SGA_BASE 0x101FE000 /* SGA interface */ |
| #define NOMADIK_L2CC_BASE 0x10210000 /* L2 Cache controller */ |
| #define NOMADIK_UART1_VBASE 0xF01FB000 |
| |
| /* This is needed for LL-debug/earlyprintk/debug-macro.S */ |
| static struct map_desc cpu8815_io_desc[] __initdata = { |
| { |
| .virtual = NOMADIK_UART1_VBASE, |
| .pfn = __phys_to_pfn(NOMADIK_UART1_BASE), |
| .length = SZ_4K, |
| .type = MT_DEVICE, |
| }, |
| }; |
| |
| static void __init cpu8815_map_io(void) |
| { |
| iotable_init(cpu8815_io_desc, ARRAY_SIZE(cpu8815_io_desc)); |
| } |
| |
| static void cpu8815_restart(enum reboot_mode mode, const char *cmd) |
| { |
| void __iomem *srcbase = ioremap(NOMADIK_SRC_BASE, SZ_4K); |
| |
| /* FIXME: use egpio when implemented */ |
| |
| /* Write anything to Reset status register */ |
| writel(1, srcbase + 0x18); |
| } |
| |
| static const char * cpu8815_board_compat[] = { |
| "st,nomadik-nhk-15", |
| "calaosystems,usb-s8815", |
| NULL, |
| }; |
| |
| DT_MACHINE_START(NOMADIK_DT, "Nomadik STn8815") |
| .l2c_aux_val = 0, |
| .l2c_aux_mask = ~0, |
| .map_io = cpu8815_map_io, |
| .restart = cpu8815_restart, |
| .dt_compat = cpu8815_board_compat, |
| MACHINE_END |