128ad94ecSAlessandro Rubini /* 228ad94ecSAlessandro Rubini * Copyright STMicroelectronics, 2007. 328ad94ecSAlessandro Rubini * 428ad94ecSAlessandro Rubini * This program is free software; you can redistribute it and/or modify 528ad94ecSAlessandro Rubini * it under the terms of the GNU General Public License as published by 628ad94ecSAlessandro Rubini * the Free Software Foundation; either version 2 of the License, or 728ad94ecSAlessandro Rubini * (at your option) any later version. 828ad94ecSAlessandro Rubini * 928ad94ecSAlessandro Rubini * This program is distributed in the hope that it will be useful, 1028ad94ecSAlessandro Rubini * but WITHOUT ANY WARRANTY; without even the implied warranty of 1128ad94ecSAlessandro Rubini * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1228ad94ecSAlessandro Rubini * GNU General Public License for more details. 1328ad94ecSAlessandro Rubini * 1428ad94ecSAlessandro Rubini * You should have received a copy of the GNU General Public License 1528ad94ecSAlessandro Rubini * along with this program; if not, write to the Free Software 1628ad94ecSAlessandro Rubini * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 1728ad94ecSAlessandro Rubini */ 1828ad94ecSAlessandro Rubini 1928ad94ecSAlessandro Rubini #include <linux/types.h> 2028ad94ecSAlessandro Rubini #include <linux/init.h> 2128ad94ecSAlessandro Rubini #include <linux/device.h> 222ec1d359SAlessandro Rubini #include <linux/amba/bus.h> 233e3c62caSRabin Vincent #include <linux/platform_device.h> 2435b47a40SRussell King #include <linux/io.h> 257c77852dSLinus Walleij #include <linux/slab.h> 267c77852dSLinus Walleij #include <linux/irq.h> 277c77852dSLinus Walleij #include <linux/dma-mapping.h> 28f8635abdSLinus Walleij #include <linux/irqchip.h> 294a31bd28SLinus Walleij #include <linux/platform_data/clk-nomadik.h> 30bb16bd9bSLinus Walleij #include <linux/platform_data/pinctrl-nomadik.h> 311b542757SLinus Walleij #include <linux/pinctrl/machine.h> 32f8635abdSLinus Walleij #include <linux/platform_data/clocksource-nomadik-mtu.h> 33f8635abdSLinus Walleij #include <linux/of_irq.h> 342ad6e398SLinus Walleij #include <linux/of_gpio.h> 35f8635abdSLinus Walleij #include <linux/of_address.h> 36f8635abdSLinus Walleij #include <linux/of_platform.h> 37ba785205SLinus Walleij #include <linux/mtd/fsmc.h> 382ad6e398SLinus Walleij #include <linux/gpio.h> 394fd243c6SLinus Walleij #include <linux/amba/mmci.h> 4028ad94ecSAlessandro Rubini 4128ad94ecSAlessandro Rubini #include <mach/hardware.h> 4228ad94ecSAlessandro Rubini #include <mach/irqs.h> 43f8635abdSLinus Walleij #include <asm/mach/arch.h> 4428ad94ecSAlessandro Rubini #include <asm/mach/map.h> 45f8635abdSLinus Walleij #include <asm/mach/time.h> 4627bda036SLinus Walleij #include <asm/mach-types.h> 4728ad94ecSAlessandro Rubini 480b260fd4SAlessandro Rubini #include <asm/cacheflush.h> 490b260fd4SAlessandro Rubini #include <asm/hardware/cache-l2x0.h> 500b260fd4SAlessandro Rubini 5161b38753SLinus Walleij #include "cpu-8815.h" 52ba327b1eSLinus Walleij 53056c78d3SLinus Walleij /* The 8815 has 4 GPIO blocks, let's register them immediately */ 54056c78d3SLinus Walleij static resource_size_t __initdata cpu8815_gpio_base[] = { 55056c78d3SLinus Walleij NOMADIK_GPIO0_BASE, 56056c78d3SLinus Walleij NOMADIK_GPIO1_BASE, 57056c78d3SLinus Walleij NOMADIK_GPIO2_BASE, 58056c78d3SLinus Walleij NOMADIK_GPIO3_BASE, 59056c78d3SLinus Walleij }; 60056c78d3SLinus Walleij 61056c78d3SLinus Walleij static struct platform_device * 62056c78d3SLinus Walleij cpu8815_add_gpio(int id, resource_size_t addr, int irq, 63056c78d3SLinus Walleij struct nmk_gpio_platform_data *pdata) 64056c78d3SLinus Walleij { 65056c78d3SLinus Walleij struct resource resources[] = { 66056c78d3SLinus Walleij { 67056c78d3SLinus Walleij .start = addr, 68056c78d3SLinus Walleij .end = addr + 127, 69056c78d3SLinus Walleij .flags = IORESOURCE_MEM, 70056c78d3SLinus Walleij }, 71056c78d3SLinus Walleij { 72056c78d3SLinus Walleij .start = irq, 73056c78d3SLinus Walleij .end = irq, 74056c78d3SLinus Walleij .flags = IORESOURCE_IRQ, 75056c78d3SLinus Walleij } 76056c78d3SLinus Walleij }; 77056c78d3SLinus Walleij 78056c78d3SLinus Walleij return platform_device_register_resndata(NULL, "gpio", id, 79056c78d3SLinus Walleij resources, ARRAY_SIZE(resources), 80056c78d3SLinus Walleij pdata, sizeof(*pdata)); 81056c78d3SLinus Walleij } 82056c78d3SLinus Walleij 83056c78d3SLinus Walleij void cpu8815_add_gpios(resource_size_t *base, int num, int irq, 84056c78d3SLinus Walleij struct nmk_gpio_platform_data *pdata) 85056c78d3SLinus Walleij { 86056c78d3SLinus Walleij int first = 0; 87056c78d3SLinus Walleij int i; 88056c78d3SLinus Walleij 89056c78d3SLinus Walleij for (i = 0; i < num; i++, first += 32, irq++) { 90056c78d3SLinus Walleij pdata->first_gpio = first; 91056c78d3SLinus Walleij pdata->first_irq = NOMADIK_GPIO_TO_IRQ(first); 92056c78d3SLinus Walleij pdata->num_gpio = 32; 93056c78d3SLinus Walleij 94056c78d3SLinus Walleij cpu8815_add_gpio(i, base[i], irq, pdata); 95056c78d3SLinus Walleij } 96056c78d3SLinus Walleij } 97056c78d3SLinus Walleij 981b542757SLinus Walleij static unsigned long out_low[] = { PIN_OUTPUT_LOW }; 991b542757SLinus Walleij static unsigned long out_high[] = { PIN_OUTPUT_HIGH }; 1001b542757SLinus Walleij static unsigned long in_nopull[] = { PIN_INPUT_NOPULL }; 1011b542757SLinus Walleij static unsigned long in_pullup[] = { PIN_INPUT_PULLUP }; 1021b542757SLinus Walleij 1031b542757SLinus Walleij static struct pinctrl_map __initdata nhk8815_pinmap[] = { 1041b542757SLinus Walleij PIN_MAP_MUX_GROUP_DEFAULT("uart0", "pinctrl-stn8815", "u0_a_1", "u0"), 1051b542757SLinus Walleij PIN_MAP_MUX_GROUP_DEFAULT("uart1", "pinctrl-stn8815", "u1_a_1", "u1"), 1061b542757SLinus Walleij /* Hog in MMC/SD card mux */ 1071b542757SLinus Walleij PIN_MAP_MUX_GROUP_HOG_DEFAULT("pinctrl-stn8815", "mmcsd_a_1", "mmcsd"), 1081b542757SLinus Walleij /* MCCLK */ 1091b542757SLinus Walleij PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO8_B10", out_low), 1101b542757SLinus Walleij /* MCCMD */ 1111b542757SLinus Walleij PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO9_A10", in_pullup), 1121b542757SLinus Walleij /* MCCMDDIR */ 1131b542757SLinus Walleij PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO10_C11", out_high), 1141b542757SLinus Walleij /* MCDAT3-0 */ 1151b542757SLinus Walleij PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO11_B11", in_pullup), 1161b542757SLinus Walleij PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO12_A11", in_pullup), 1171b542757SLinus Walleij PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO13_C12", in_pullup), 1181b542757SLinus Walleij PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO14_B12", in_pullup), 1191b542757SLinus Walleij /* MCDAT0DIR */ 1201b542757SLinus Walleij PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO15_A12", out_high), 1211b542757SLinus Walleij /* MCDAT31DIR */ 1221b542757SLinus Walleij PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO16_C13", out_high), 1231b542757SLinus Walleij /* MCMSFBCLK */ 1241b542757SLinus Walleij PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO24_C15", in_pullup), 1251b542757SLinus Walleij /* CD input GPIO */ 1261b542757SLinus Walleij PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO111_H21", in_nopull), 1271b542757SLinus Walleij /* CD bias drive */ 1281b542757SLinus Walleij PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO112_J21", out_low), 1291b542757SLinus Walleij /* I2C0 */ 1301b542757SLinus Walleij PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO62_D3", in_pullup), 1311b542757SLinus Walleij PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO63_D2", in_pullup), 1321b542757SLinus Walleij /* I2C1 */ 1331b542757SLinus Walleij PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO53_L4", in_pullup), 1341b542757SLinus Walleij PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO54_L3", in_pullup), 1351b542757SLinus Walleij /* I2C2 */ 1361b542757SLinus Walleij PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO73_C21", in_pullup), 1371b542757SLinus Walleij PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO74_C20", in_pullup), 1381b542757SLinus Walleij }; 1391b542757SLinus Walleij 1402601ccfeSLinus Walleij static inline void 1412601ccfeSLinus Walleij cpu8815_add_pinctrl(struct device *parent, const char *name) 1422601ccfeSLinus Walleij { 1432601ccfeSLinus Walleij struct platform_device_info pdevinfo = { 1442601ccfeSLinus Walleij .parent = parent, 1452601ccfeSLinus Walleij .name = name, 1462601ccfeSLinus Walleij .id = -1, 1472601ccfeSLinus Walleij }; 1482601ccfeSLinus Walleij 1491b542757SLinus Walleij pinctrl_register_mappings(nhk8815_pinmap, ARRAY_SIZE(nhk8815_pinmap)); 1502601ccfeSLinus Walleij platform_device_register_full(&pdevinfo); 1512601ccfeSLinus Walleij } 1522601ccfeSLinus Walleij 1532ec1d359SAlessandro Rubini static int __init cpu8815_init(void) 1542ec1d359SAlessandro Rubini { 155056c78d3SLinus Walleij struct nmk_gpio_platform_data pdata = { 156056c78d3SLinus Walleij /* No custom data yet */ 157056c78d3SLinus Walleij }; 1582ec1d359SAlessandro Rubini 1596010d403SLinus Walleij /* For e.g. device tree boots */ 1606010d403SLinus Walleij if (!machine_is_nomadik()) 1616010d403SLinus Walleij return 0; 1626010d403SLinus Walleij 163056c78d3SLinus Walleij cpu8815_add_gpios(cpu8815_gpio_base, ARRAY_SIZE(cpu8815_gpio_base), 164056c78d3SLinus Walleij IRQ_GPIO0, &pdata); 1652601ccfeSLinus Walleij cpu8815_add_pinctrl(NULL, "pinctrl-stn8815"); 1667c77852dSLinus Walleij amba_apb_device_add(NULL, "rng", NOMADIK_RNG_BASE, SZ_4K, 0, 0, NULL, 0); 167b5111d9eSLinus Walleij amba_apb_device_add(NULL, "rtc-pl031", NOMADIK_RTC_BASE, SZ_4K, IRQ_RTC_RTT, 0, NULL, 0); 1682ec1d359SAlessandro Rubini return 0; 1692ec1d359SAlessandro Rubini } 1702ec1d359SAlessandro Rubini arch_initcall(cpu8815_init); 1712ec1d359SAlessandro Rubini 17228ad94ecSAlessandro Rubini /* All SoC devices live in the same area (see hardware.h) */ 17328ad94ecSAlessandro Rubini static struct map_desc nomadik_io_desc[] __initdata = { 17428ad94ecSAlessandro Rubini { 17528ad94ecSAlessandro Rubini .virtual = NOMADIK_IO_VIRTUAL, 17628ad94ecSAlessandro Rubini .pfn = __phys_to_pfn(NOMADIK_IO_PHYSICAL), 17728ad94ecSAlessandro Rubini .length = NOMADIK_IO_SIZE, 17828ad94ecSAlessandro Rubini .type = MT_DEVICE, 17928ad94ecSAlessandro Rubini } 18028ad94ecSAlessandro Rubini /* static ram and secured ram may be added later */ 18128ad94ecSAlessandro Rubini }; 18228ad94ecSAlessandro Rubini 18328ad94ecSAlessandro Rubini void __init cpu8815_map_io(void) 18428ad94ecSAlessandro Rubini { 18528ad94ecSAlessandro Rubini iotable_init(nomadik_io_desc, ARRAY_SIZE(nomadik_io_desc)); 18628ad94ecSAlessandro Rubini } 18728ad94ecSAlessandro Rubini 18828ad94ecSAlessandro Rubini void __init cpu8815_init_irq(void) 18928ad94ecSAlessandro Rubini { 19028ad94ecSAlessandro Rubini /* This modified VIC cell has two register blocks, at 0 and 0x20 */ 19128ad94ecSAlessandro Rubini vic_init(io_p2v(NOMADIK_IC_BASE + 0x00), IRQ_VIC_START + 0, ~0, 0); 19228ad94ecSAlessandro Rubini vic_init(io_p2v(NOMADIK_IC_BASE + 0x20), IRQ_VIC_START + 32, ~0, 0); 193ba327b1eSLinus Walleij 194ba327b1eSLinus Walleij /* 195ba327b1eSLinus Walleij * Init clocks here so that they are available for system timer 196ba327b1eSLinus Walleij * initialization. 197ba327b1eSLinus Walleij */ 1984a31bd28SLinus Walleij nomadik_clk_init(); 19928ad94ecSAlessandro Rubini } 20028ad94ecSAlessandro Rubini 20128ad94ecSAlessandro Rubini /* 20228ad94ecSAlessandro Rubini * This function is called from the board init ("init_machine"). 20328ad94ecSAlessandro Rubini */ 20428ad94ecSAlessandro Rubini void __init cpu8815_platform_init(void) 20528ad94ecSAlessandro Rubini { 2060b260fd4SAlessandro Rubini #ifdef CONFIG_CACHE_L2X0 2070b260fd4SAlessandro Rubini /* At full speed latency must be >=2, so 0x249 in low bits */ 2080b260fd4SAlessandro Rubini l2x0_init(io_p2v(NOMADIK_L2CC_BASE), 0x00730249, 0xfe000fff); 2090b260fd4SAlessandro Rubini #endif 21028ad94ecSAlessandro Rubini return; 21128ad94ecSAlessandro Rubini } 21235b47a40SRussell King 21335b47a40SRussell King void cpu8815_restart(char mode, const char *cmd) 21435b47a40SRussell King { 21535b47a40SRussell King void __iomem *src_rstsr = io_p2v(NOMADIK_SRC_BASE + 0x18); 21635b47a40SRussell King 21735b47a40SRussell King /* FIXME: use egpio when implemented */ 21835b47a40SRussell King 21935b47a40SRussell King /* Write anything to Reset status register */ 22035b47a40SRussell King writel(1, src_rstsr); 22135b47a40SRussell King } 222f8635abdSLinus Walleij 223f8635abdSLinus Walleij #ifdef CONFIG_OF 224f8635abdSLinus Walleij 225f8635abdSLinus Walleij /* Initial value for SRC control register: all timers use MXTAL/8 source */ 226f8635abdSLinus Walleij #define SRC_CR_INIT_MASK 0x00007fff 227f8635abdSLinus Walleij #define SRC_CR_INIT_VAL 0x2aaa8000 228f8635abdSLinus Walleij 229f8635abdSLinus Walleij static void __init cpu8815_timer_init_of(void) 230f8635abdSLinus Walleij { 231f8635abdSLinus Walleij struct device_node *mtu; 232f8635abdSLinus Walleij void __iomem *base; 233f8635abdSLinus Walleij int irq; 234f8635abdSLinus Walleij u32 src_cr; 235f8635abdSLinus Walleij 236f8635abdSLinus Walleij /* We need this to be up now */ 237f8635abdSLinus Walleij nomadik_clk_init(); 238f8635abdSLinus Walleij 239f8635abdSLinus Walleij mtu = of_find_node_by_path("/mtu0"); 240f8635abdSLinus Walleij if (!mtu) 241f8635abdSLinus Walleij return; 242f8635abdSLinus Walleij base = of_iomap(mtu, 0); 243f8635abdSLinus Walleij if (WARN_ON(!base)) 244f8635abdSLinus Walleij return; 245f8635abdSLinus Walleij irq = irq_of_parse_and_map(mtu, 0); 246f8635abdSLinus Walleij 247f8635abdSLinus Walleij pr_info("Remapped MTU @ %p, irq: %d\n", base, irq); 248f8635abdSLinus Walleij 249f8635abdSLinus Walleij /* Configure timer sources in "system reset controller" ctrl reg */ 250f8635abdSLinus Walleij src_cr = readl(base); 251f8635abdSLinus Walleij src_cr &= SRC_CR_INIT_MASK; 252f8635abdSLinus Walleij src_cr |= SRC_CR_INIT_VAL; 253f8635abdSLinus Walleij writel(src_cr, base); 254f8635abdSLinus Walleij 255f8635abdSLinus Walleij nmdk_timer_init(base, irq); 256f8635abdSLinus Walleij } 257f8635abdSLinus Walleij 258ba785205SLinus Walleij static struct fsmc_nand_timings cpu8815_nand_timings = { 259ba785205SLinus Walleij .thiz = 0, 260ba785205SLinus Walleij .thold = 0x10, 261ba785205SLinus Walleij .twait = 0x0A, 262ba785205SLinus Walleij .tset = 0, 263ba785205SLinus Walleij }; 264ba785205SLinus Walleij 265ba785205SLinus Walleij static struct fsmc_nand_platform_data cpu8815_nand_data = { 266ba785205SLinus Walleij .nand_timings = &cpu8815_nand_timings, 267ba785205SLinus Walleij }; 268ba785205SLinus Walleij 2692ad6e398SLinus Walleij /* 2702ad6e398SLinus Walleij * The SMSC911x IRQ is connected to a GPIO pin, but the driver expects 2712ad6e398SLinus Walleij * to simply request an IRQ passed as a resource. So the GPIO pin needs 2722ad6e398SLinus Walleij * to be requested by this hog and set as input. 2732ad6e398SLinus Walleij */ 2742ad6e398SLinus Walleij static int __init cpu8815_eth_init(void) 2752ad6e398SLinus Walleij { 2762ad6e398SLinus Walleij struct device_node *eth; 2772ad6e398SLinus Walleij int gpio, irq, err; 2782ad6e398SLinus Walleij 2792ad6e398SLinus Walleij eth = of_find_node_by_path("/usb-s8815/ethernet-gpio"); 2802ad6e398SLinus Walleij if (!eth) { 2812ad6e398SLinus Walleij pr_info("could not find any ethernet GPIO\n"); 2822ad6e398SLinus Walleij return 0; 2832ad6e398SLinus Walleij } 2842ad6e398SLinus Walleij gpio = of_get_gpio(eth, 0); 2852ad6e398SLinus Walleij err = gpio_request(gpio, "eth_irq"); 2862ad6e398SLinus Walleij if (err) { 2872ad6e398SLinus Walleij pr_info("failed to request ethernet GPIO\n"); 2882ad6e398SLinus Walleij return -ENODEV; 2892ad6e398SLinus Walleij } 2902ad6e398SLinus Walleij err = gpio_direction_input(gpio); 2912ad6e398SLinus Walleij if (err) { 2922ad6e398SLinus Walleij pr_info("failed to set ethernet GPIO as input\n"); 2932ad6e398SLinus Walleij return -ENODEV; 2942ad6e398SLinus Walleij } 2952ad6e398SLinus Walleij irq = gpio_to_irq(gpio); 2962ad6e398SLinus Walleij pr_info("enabled USB-S8815 ethernet GPIO %d, IRQ %d\n", gpio, irq); 2972ad6e398SLinus Walleij return 0; 2982ad6e398SLinus Walleij } 2992ad6e398SLinus Walleij device_initcall(cpu8815_eth_init); 3002ad6e398SLinus Walleij 3014fd243c6SLinus Walleij /* 3024fd243c6SLinus Walleij * TODO: 3034fd243c6SLinus Walleij * cannot be set from device tree, convert to a proper DT 3044fd243c6SLinus Walleij * binding. 3054fd243c6SLinus Walleij */ 3064fd243c6SLinus Walleij static struct mmci_platform_data mmcsd_plat_data = { 3074fd243c6SLinus Walleij .ocr_mask = MMC_VDD_29_30, 3084fd243c6SLinus Walleij }; 3094fd243c6SLinus Walleij 3104fd243c6SLinus Walleij /* 3114fd243c6SLinus Walleij * This GPIO pin turns on a line that is used to detect card insertion 3124fd243c6SLinus Walleij * on this board. 3134fd243c6SLinus Walleij */ 3144fd243c6SLinus Walleij static int __init cpu8815_mmcsd_init(void) 3154fd243c6SLinus Walleij { 3164fd243c6SLinus Walleij struct device_node *cdbias; 3174fd243c6SLinus Walleij int gpio, err; 3184fd243c6SLinus Walleij 3194fd243c6SLinus Walleij cdbias = of_find_node_by_path("/usb-s8815/mmcsd-gpio"); 3204fd243c6SLinus Walleij if (!cdbias) { 3214fd243c6SLinus Walleij pr_info("could not find MMC/SD card detect bias node\n"); 3224fd243c6SLinus Walleij return 0; 3234fd243c6SLinus Walleij } 3244fd243c6SLinus Walleij gpio = of_get_gpio(cdbias, 0); 3254fd243c6SLinus Walleij if (gpio < 0) { 3264fd243c6SLinus Walleij pr_info("could not obtain MMC/SD card detect bias GPIO\n"); 3274fd243c6SLinus Walleij return 0; 3284fd243c6SLinus Walleij } 3294fd243c6SLinus Walleij err = gpio_request(gpio, "card detect bias"); 3304fd243c6SLinus Walleij if (err) { 3314fd243c6SLinus Walleij pr_info("failed to request card detect bias GPIO %d\n", gpio); 3324fd243c6SLinus Walleij return -ENODEV; 3334fd243c6SLinus Walleij } 3344fd243c6SLinus Walleij err = gpio_direction_output(gpio, 0); 3354fd243c6SLinus Walleij if (err){ 3364fd243c6SLinus Walleij pr_info("failed to set GPIO %d as output, low\n", gpio); 3374fd243c6SLinus Walleij return err; 3384fd243c6SLinus Walleij } 3394fd243c6SLinus Walleij pr_info("enabled USB-S8815 CD bias GPIO %d, low\n", gpio); 3404fd243c6SLinus Walleij return 0; 3414fd243c6SLinus Walleij } 3424fd243c6SLinus Walleij device_initcall(cpu8815_mmcsd_init); 3434fd243c6SLinus Walleij 3444fd243c6SLinus Walleij 345f8635abdSLinus Walleij /* These are mostly to get the right device names for the clock lookups */ 346f8635abdSLinus Walleij static struct of_dev_auxdata cpu8815_auxdata_lookup[] __initdata = { 3476010d403SLinus Walleij OF_DEV_AUXDATA("st,nomadik-gpio", NOMADIK_GPIO0_BASE, 3486010d403SLinus Walleij "gpio.0", NULL), 3496010d403SLinus Walleij OF_DEV_AUXDATA("st,nomadik-gpio", NOMADIK_GPIO1_BASE, 3506010d403SLinus Walleij "gpio.1", NULL), 3516010d403SLinus Walleij OF_DEV_AUXDATA("st,nomadik-gpio", NOMADIK_GPIO2_BASE, 3526010d403SLinus Walleij "gpio.2", NULL), 3536010d403SLinus Walleij OF_DEV_AUXDATA("st,nomadik-gpio", NOMADIK_GPIO3_BASE, 3546010d403SLinus Walleij "gpio.3", NULL), 3556010d403SLinus Walleij OF_DEV_AUXDATA("stericsson,nmk-pinctrl-stn8815", 0, 3566010d403SLinus Walleij "pinctrl-stn8815", NULL), 357f8635abdSLinus Walleij OF_DEV_AUXDATA("arm,primecell", NOMADIK_UART0_BASE, 358f8635abdSLinus Walleij "uart0", NULL), 359f8635abdSLinus Walleij OF_DEV_AUXDATA("arm,primecell", NOMADIK_UART1_BASE, 360f8635abdSLinus Walleij "uart1", NULL), 36127bda036SLinus Walleij OF_DEV_AUXDATA("arm,primecell", NOMADIK_RNG_BASE, 36227bda036SLinus Walleij "rng", NULL), 36327bda036SLinus Walleij OF_DEV_AUXDATA("arm,primecell", NOMADIK_RTC_BASE, 36427bda036SLinus Walleij "rtc-pl031", NULL), 365ba785205SLinus Walleij OF_DEV_AUXDATA("stericsson,fsmc-nand", NOMADIK_FSMC_BASE, 366ba785205SLinus Walleij "fsmc-nand", &cpu8815_nand_data), 3674fd243c6SLinus Walleij OF_DEV_AUXDATA("arm,primecell", NOMADIK_SDI_BASE, 3684fd243c6SLinus Walleij "mmci", &mmcsd_plat_data), 369f8635abdSLinus Walleij { /* sentinel */ }, 370f8635abdSLinus Walleij }; 371f8635abdSLinus Walleij 372f8635abdSLinus Walleij static void __init cpu8815_init_of(void) 373f8635abdSLinus Walleij { 374f8635abdSLinus Walleij #ifdef CONFIG_CACHE_L2X0 375f8635abdSLinus Walleij /* At full speed latency must be >=2, so 0x249 in low bits */ 376f8635abdSLinus Walleij l2x0_of_init(0x00730249, 0xfe000fff); 377f8635abdSLinus Walleij #endif 3786010d403SLinus Walleij pinctrl_register_mappings(nhk8815_pinmap, ARRAY_SIZE(nhk8815_pinmap)); 379f8635abdSLinus Walleij of_platform_populate(NULL, of_default_bus_match_table, 380f8635abdSLinus Walleij cpu8815_auxdata_lookup, NULL); 381f8635abdSLinus Walleij } 382f8635abdSLinus Walleij 383f8635abdSLinus Walleij static const char * cpu8815_board_compat[] = { 384f8635abdSLinus Walleij "calaosystems,usb-s8815", 385f8635abdSLinus Walleij NULL, 386f8635abdSLinus Walleij }; 387f8635abdSLinus Walleij 388f8635abdSLinus Walleij DT_MACHINE_START(NOMADIK_DT, "Nomadik STn8815") 389f8635abdSLinus Walleij .map_io = cpu8815_map_io, 390f8635abdSLinus Walleij .init_irq = irqchip_init, 391f8635abdSLinus Walleij .init_time = cpu8815_timer_init_of, 392f8635abdSLinus Walleij .init_machine = cpu8815_init_of, 393f8635abdSLinus Walleij .restart = cpu8815_restart, 394f8635abdSLinus Walleij .dt_compat = cpu8815_board_compat, 395f8635abdSLinus Walleij MACHINE_END 396f8635abdSLinus Walleij 397f8635abdSLinus Walleij #endif 398