Alessandro Rubini | 28ad94e | 2009-07-02 19:06:47 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright STMicroelectronics, 2007. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; either version 2 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 17 | */ |
| 18 | |
| 19 | #include <linux/types.h> |
| 20 | #include <linux/init.h> |
| 21 | #include <linux/device.h> |
Alessandro Rubini | 2ec1d35 | 2009-07-02 15:29:12 +0100 | [diff] [blame] | 22 | #include <linux/amba/bus.h> |
Rabin Vincent | 3e3c62c | 2010-03-03 04:52:34 +0100 | [diff] [blame] | 23 | #include <linux/platform_device.h> |
Russell King | 35b47a405 | 2011-11-28 10:48:02 +0000 | [diff] [blame] | 24 | #include <linux/io.h> |
Linus Walleij | 7c77852 | 2012-01-09 12:40:02 +0100 | [diff] [blame] | 25 | #include <linux/slab.h> |
| 26 | #include <linux/irq.h> |
| 27 | #include <linux/dma-mapping.h> |
Linus Walleij | f8635ab | 2013-01-05 00:29:31 +0100 | [diff] [blame] | 28 | #include <linux/of_irq.h> |
| 29 | #include <linux/of_address.h> |
| 30 | #include <linux/of_platform.h> |
Alessandro Rubini | 28ad94e | 2009-07-02 19:06:47 +0100 | [diff] [blame] | 31 | |
Linus Walleij | f8635ab | 2013-01-05 00:29:31 +0100 | [diff] [blame] | 32 | #include <asm/mach/arch.h> |
Alessandro Rubini | 28ad94e | 2009-07-02 19:06:47 +0100 | [diff] [blame] | 33 | #include <asm/mach/map.h> |
Linus Walleij | f8635ab | 2013-01-05 00:29:31 +0100 | [diff] [blame] | 34 | #include <asm/mach/time.h> |
Linus Walleij | 27bda03 | 2013-01-05 10:38:57 +0100 | [diff] [blame] | 35 | #include <asm/mach-types.h> |
Alessandro Rubini | 28ad94e | 2009-07-02 19:06:47 +0100 | [diff] [blame] | 36 | |
Alessandro Rubini | 0b260fd | 2009-07-02 15:29:43 +0100 | [diff] [blame] | 37 | #include <asm/cacheflush.h> |
| 38 | #include <asm/hardware/cache-l2x0.h> |
| 39 | |
Linus Walleij | dea3eac | 2013-01-06 02:58:43 +0100 | [diff] [blame] | 40 | /* |
| 41 | * These are the only hard-coded address offsets we still have to use. |
| 42 | */ |
| 43 | #define NOMADIK_FSMC_BASE 0x10100000 /* FSMC registers */ |
| 44 | #define NOMADIK_SDRAMC_BASE 0x10110000 /* SDRAM Controller */ |
| 45 | #define NOMADIK_CLCDC_BASE 0x10120000 /* CLCD Controller */ |
| 46 | #define NOMADIK_MDIF_BASE 0x10120000 /* MDIF */ |
| 47 | #define NOMADIK_DMA0_BASE 0x10130000 /* DMA0 Controller */ |
| 48 | #define NOMADIK_IC_BASE 0x10140000 /* Vectored Irq Controller */ |
| 49 | #define NOMADIK_DMA1_BASE 0x10150000 /* DMA1 Controller */ |
| 50 | #define NOMADIK_USB_BASE 0x10170000 /* USB-OTG conf reg base */ |
| 51 | #define NOMADIK_CRYP_BASE 0x10180000 /* Crypto processor */ |
| 52 | #define NOMADIK_SHA1_BASE 0x10190000 /* SHA-1 Processor */ |
| 53 | #define NOMADIK_XTI_BASE 0x101A0000 /* XTI */ |
| 54 | #define NOMADIK_RNG_BASE 0x101B0000 /* Random number generator */ |
| 55 | #define NOMADIK_SRC_BASE 0x101E0000 /* SRC base */ |
| 56 | #define NOMADIK_WDOG_BASE 0x101E1000 /* Watchdog */ |
| 57 | #define NOMADIK_MTU0_BASE 0x101E2000 /* Multiple Timer 0 */ |
| 58 | #define NOMADIK_MTU1_BASE 0x101E3000 /* Multiple Timer 1 */ |
| 59 | #define NOMADIK_GPIO0_BASE 0x101E4000 /* GPIO0 */ |
| 60 | #define NOMADIK_GPIO1_BASE 0x101E5000 /* GPIO1 */ |
| 61 | #define NOMADIK_GPIO2_BASE 0x101E6000 /* GPIO2 */ |
| 62 | #define NOMADIK_GPIO3_BASE 0x101E7000 /* GPIO3 */ |
| 63 | #define NOMADIK_RTC_BASE 0x101E8000 /* Real Time Clock base */ |
| 64 | #define NOMADIK_PMU_BASE 0x101E9000 /* Power Management Unit */ |
| 65 | #define NOMADIK_OWM_BASE 0x101EA000 /* One wire master */ |
| 66 | #define NOMADIK_SCR_BASE 0x101EF000 /* Secure Control registers */ |
| 67 | #define NOMADIK_MSP2_BASE 0x101F0000 /* MSP 2 interface */ |
| 68 | #define NOMADIK_MSP1_BASE 0x101F1000 /* MSP 1 interface */ |
| 69 | #define NOMADIK_UART2_BASE 0x101F2000 /* UART 2 interface */ |
| 70 | #define NOMADIK_SSIRx_BASE 0x101F3000 /* SSI 8-ch rx interface */ |
| 71 | #define NOMADIK_SSITx_BASE 0x101F4000 /* SSI 8-ch tx interface */ |
| 72 | #define NOMADIK_MSHC_BASE 0x101F5000 /* Memory Stick(Pro) Host */ |
| 73 | #define NOMADIK_SDI_BASE 0x101F6000 /* SD-card/MM-Card */ |
| 74 | #define NOMADIK_I2C1_BASE 0x101F7000 /* I2C1 interface */ |
| 75 | #define NOMADIK_I2C0_BASE 0x101F8000 /* I2C0 interface */ |
| 76 | #define NOMADIK_MSP0_BASE 0x101F9000 /* MSP 0 interface */ |
| 77 | #define NOMADIK_FIRDA_BASE 0x101FA000 /* FIrDA interface */ |
| 78 | #define NOMADIK_UART1_BASE 0x101FB000 /* UART 1 interface */ |
| 79 | #define NOMADIK_SSP_BASE 0x101FC000 /* SSP interface */ |
| 80 | #define NOMADIK_UART0_BASE 0x101FD000 /* UART 0 interface */ |
| 81 | #define NOMADIK_SGA_BASE 0x101FE000 /* SGA interface */ |
| 82 | #define NOMADIK_L2CC_BASE 0x10210000 /* L2 Cache controller */ |
| 83 | #define NOMADIK_UART1_VBASE 0xF01FB000 |
| 84 | |
Linus Walleij | dea3eac | 2013-01-06 02:58:43 +0100 | [diff] [blame] | 85 | /* This is needed for LL-debug/earlyprintk/debug-macro.S */ |
| 86 | static struct map_desc cpu8815_io_desc[] __initdata = { |
Alessandro Rubini | 28ad94e | 2009-07-02 19:06:47 +0100 | [diff] [blame] | 87 | { |
Linus Walleij | dea3eac | 2013-01-06 02:58:43 +0100 | [diff] [blame] | 88 | .virtual = NOMADIK_UART1_VBASE, |
| 89 | .pfn = __phys_to_pfn(NOMADIK_UART1_BASE), |
| 90 | .length = SZ_4K, |
| 91 | .type = MT_DEVICE, |
| 92 | }, |
Alessandro Rubini | 28ad94e | 2009-07-02 19:06:47 +0100 | [diff] [blame] | 93 | }; |
| 94 | |
Linus Walleij | 5f66d48 | 2013-01-06 02:25:20 +0100 | [diff] [blame] | 95 | static void __init cpu8815_map_io(void) |
Alessandro Rubini | 28ad94e | 2009-07-02 19:06:47 +0100 | [diff] [blame] | 96 | { |
Linus Walleij | dea3eac | 2013-01-06 02:58:43 +0100 | [diff] [blame] | 97 | iotable_init(cpu8815_io_desc, ARRAY_SIZE(cpu8815_io_desc)); |
Alessandro Rubini | 28ad94e | 2009-07-02 19:06:47 +0100 | [diff] [blame] | 98 | } |
| 99 | |
Robin Holt | 7b6d864 | 2013-07-08 16:01:40 -0700 | [diff] [blame] | 100 | static void cpu8815_restart(enum reboot_mode mode, const char *cmd) |
Russell King | 35b47a405 | 2011-11-28 10:48:02 +0000 | [diff] [blame] | 101 | { |
Linus Walleij | dea3eac | 2013-01-06 02:58:43 +0100 | [diff] [blame] | 102 | void __iomem *srcbase = ioremap(NOMADIK_SRC_BASE, SZ_4K); |
Russell King | 35b47a405 | 2011-11-28 10:48:02 +0000 | [diff] [blame] | 103 | |
| 104 | /* FIXME: use egpio when implemented */ |
| 105 | |
| 106 | /* Write anything to Reset status register */ |
Linus Walleij | dea3eac | 2013-01-06 02:58:43 +0100 | [diff] [blame] | 107 | writel(1, srcbase + 0x18); |
Russell King | 35b47a405 | 2011-11-28 10:48:02 +0000 | [diff] [blame] | 108 | } |
Linus Walleij | f8635ab | 2013-01-05 00:29:31 +0100 | [diff] [blame] | 109 | |
Linus Walleij | f8635ab | 2013-01-05 00:29:31 +0100 | [diff] [blame] | 110 | static const char * cpu8815_board_compat[] = { |
Linus Walleij | 451f233 | 2014-10-09 22:10:35 +0200 | [diff] [blame] | 111 | "st,nomadik-nhk-15", |
Linus Walleij | f8635ab | 2013-01-05 00:29:31 +0100 | [diff] [blame] | 112 | "calaosystems,usb-s8815", |
| 113 | NULL, |
| 114 | }; |
| 115 | |
| 116 | DT_MACHINE_START(NOMADIK_DT, "Nomadik STn8815") |
Linus Walleij | 98badfd | 2015-07-27 22:40:53 +0200 | [diff] [blame] | 117 | .l2c_aux_val = 0, |
| 118 | .l2c_aux_mask = ~0, |
Linus Walleij | f8635ab | 2013-01-05 00:29:31 +0100 | [diff] [blame] | 119 | .map_io = cpu8815_map_io, |
Linus Walleij | f8635ab | 2013-01-05 00:29:31 +0100 | [diff] [blame] | 120 | .restart = cpu8815_restart, |
| 121 | .dt_compat = cpu8815_board_compat, |
| 122 | MACHINE_END |