2 * Copyright STMicroelectronics, 2007.
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.
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.
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
19 #include <linux/types.h>
20 #include <linux/init.h>
21 #include <linux/device.h>
22 #include <linux/amba/bus.h>
23 #include <linux/platform_device.h>
25 #include <linux/slab.h>
26 #include <linux/irq.h>
27 #include <linux/dma-mapping.h>
28 #include <linux/of_irq.h>
29 #include <linux/of_address.h>
30 #include <linux/of_platform.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/map.h>
34 #include <asm/mach/time.h>
35 #include <asm/mach-types.h>
37 #include <asm/cacheflush.h>
38 #include <asm/hardware/cache-l2x0.h>
41 * These are the only hard-coded address offsets we still have to use.
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
85 /* This is needed for LL-debug/earlyprintk/debug-macro.S */
86 static struct map_desc cpu8815_io_desc[] __initdata = {
88 .virtual = NOMADIK_UART1_VBASE,
89 .pfn = __phys_to_pfn(NOMADIK_UART1_BASE),
95 static void __init cpu8815_map_io(void)
97 iotable_init(cpu8815_io_desc, ARRAY_SIZE(cpu8815_io_desc));
100 static void cpu8815_restart(enum reboot_mode mode, const char *cmd)
102 void __iomem *srcbase = ioremap(NOMADIK_SRC_BASE, SZ_4K);
104 /* FIXME: use egpio when implemented */
106 /* Write anything to Reset status register */
107 writel(1, srcbase + 0x18);
110 static const char * cpu8815_board_compat[] = {
112 "calaosystems,usb-s8815",
116 DT_MACHINE_START(NOMADIK_DT, "Nomadik STn8815")
119 .map_io = cpu8815_map_io,
120 .restart = cpu8815_restart,
121 .dt_compat = cpu8815_board_compat,