2 * arch/arm/mach-dove/common.c
4 * Core functions for Marvell Dove 88AP510 System On Chip
6 * This file is licensed under the terms of the GNU General Public
7 * License version 2. This program is licensed "as is" without any
8 * warranty of any kind, whether express or implied.
11 #include <linux/kernel.h>
12 #include <linux/delay.h>
13 #include <linux/init.h>
14 #include <linux/platform_device.h>
15 #include <linux/pci.h>
16 #include <linux/clk-provider.h>
17 #include <linux/ata_platform.h>
18 #include <linux/gpio.h>
20 #include <asm/setup.h>
21 #include <asm/timex.h>
22 #include <asm/hardware/cache-tauros2.h>
23 #include <asm/mach/map.h>
24 #include <asm/mach/time.h>
25 #include <asm/mach/pci.h>
26 #include <mach/dove.h>
27 #include <mach/bridge-regs.h>
28 #include <asm/mach/arch.h>
29 #include <linux/irq.h>
30 #include <plat/time.h>
31 #include <linux/platform_data/usb-ehci-orion.h>
32 #include <plat/common.h>
33 #include <plat/addr-map.h>
36 static int get_tclk(void);
38 /*****************************************************************************
40 ****************************************************************************/
41 static struct map_desc dove_io_desc[] __initdata = {
43 .virtual = DOVE_SB_REGS_VIRT_BASE,
44 .pfn = __phys_to_pfn(DOVE_SB_REGS_PHYS_BASE),
45 .length = DOVE_SB_REGS_SIZE,
48 .virtual = DOVE_NB_REGS_VIRT_BASE,
49 .pfn = __phys_to_pfn(DOVE_NB_REGS_PHYS_BASE),
50 .length = DOVE_NB_REGS_SIZE,
55 void __init dove_map_io(void)
57 iotable_init(dove_io_desc, ARRAY_SIZE(dove_io_desc));
60 /*****************************************************************************
62 ****************************************************************************/
63 static struct clk *tclk;
65 static void __init clk_init(void)
67 tclk = clk_register_fixed_rate(NULL, "tclk", NULL, CLK_IS_ROOT,
70 orion_clkdev_init(tclk);
73 /*****************************************************************************
75 ****************************************************************************/
76 void __init dove_ehci0_init(void)
78 orion_ehci_init(DOVE_USB0_PHYS_BASE, IRQ_DOVE_USB0, EHCI_PHY_NA);
81 /*****************************************************************************
83 ****************************************************************************/
84 void __init dove_ehci1_init(void)
86 orion_ehci_1_init(DOVE_USB1_PHYS_BASE, IRQ_DOVE_USB1);
89 /*****************************************************************************
91 ****************************************************************************/
92 void __init dove_ge00_init(struct mv643xx_eth_platform_data *eth_data)
94 orion_ge00_init(eth_data, DOVE_GE00_PHYS_BASE,
95 IRQ_DOVE_GE00_SUM, IRQ_DOVE_GE00_ERR,
99 /*****************************************************************************
101 ****************************************************************************/
102 void __init dove_rtc_init(void)
104 orion_rtc_init(DOVE_RTC_PHYS_BASE, IRQ_DOVE_RTC);
107 /*****************************************************************************
109 ****************************************************************************/
110 void __init dove_sata_init(struct mv_sata_platform_data *sata_data)
112 orion_sata_init(sata_data, DOVE_SATA_PHYS_BASE, IRQ_DOVE_SATA);
116 /*****************************************************************************
118 ****************************************************************************/
119 void __init dove_uart0_init(void)
121 orion_uart0_init(DOVE_UART0_VIRT_BASE, DOVE_UART0_PHYS_BASE,
122 IRQ_DOVE_UART_0, tclk);
125 /*****************************************************************************
127 ****************************************************************************/
128 void __init dove_uart1_init(void)
130 orion_uart1_init(DOVE_UART1_VIRT_BASE, DOVE_UART1_PHYS_BASE,
131 IRQ_DOVE_UART_1, tclk);
134 /*****************************************************************************
136 ****************************************************************************/
137 void __init dove_uart2_init(void)
139 orion_uart2_init(DOVE_UART2_VIRT_BASE, DOVE_UART2_PHYS_BASE,
140 IRQ_DOVE_UART_2, tclk);
143 /*****************************************************************************
145 ****************************************************************************/
146 void __init dove_uart3_init(void)
148 orion_uart3_init(DOVE_UART3_VIRT_BASE, DOVE_UART3_PHYS_BASE,
149 IRQ_DOVE_UART_3, tclk);
152 /*****************************************************************************
154 ****************************************************************************/
155 void __init dove_spi0_init(void)
157 orion_spi_init(DOVE_SPI0_PHYS_BASE);
160 void __init dove_spi1_init(void)
162 orion_spi_1_init(DOVE_SPI1_PHYS_BASE);
165 /*****************************************************************************
167 ****************************************************************************/
168 void __init dove_i2c_init(void)
170 orion_i2c_init(DOVE_I2C_PHYS_BASE, IRQ_DOVE_I2C, 10);
173 /*****************************************************************************
175 ****************************************************************************/
176 void __init dove_init_early(void)
178 orion_time_set_base(TIMER_VIRT_BASE);
181 static int get_tclk(void)
183 /* use DOVE_RESET_SAMPLE_HI/LO to detect tclk */
187 static void __init dove_timer_init(void)
189 orion_time_init(BRIDGE_VIRT_BASE, BRIDGE_INT_TIMER1_CLR,
190 IRQ_DOVE_BRIDGE, get_tclk());
193 struct sys_timer dove_timer = {
194 .init = dove_timer_init,
197 /*****************************************************************************
199 ****************************************************************************/
200 void __init dove_xor0_init(void)
202 orion_xor0_init(DOVE_XOR0_PHYS_BASE, DOVE_XOR0_HIGH_PHYS_BASE,
203 IRQ_DOVE_XOR_00, IRQ_DOVE_XOR_01);
206 /*****************************************************************************
208 ****************************************************************************/
209 void __init dove_xor1_init(void)
211 orion_xor1_init(DOVE_XOR1_PHYS_BASE, DOVE_XOR1_HIGH_PHYS_BASE,
212 IRQ_DOVE_XOR_10, IRQ_DOVE_XOR_11);
215 /*****************************************************************************
217 ****************************************************************************/
218 static u64 sdio_dmamask = DMA_BIT_MASK(32);
220 static struct resource dove_sdio0_resources[] = {
222 .start = DOVE_SDIO0_PHYS_BASE,
223 .end = DOVE_SDIO0_PHYS_BASE + 0xff,
224 .flags = IORESOURCE_MEM,
226 .start = IRQ_DOVE_SDIO0,
227 .end = IRQ_DOVE_SDIO0,
228 .flags = IORESOURCE_IRQ,
232 static struct platform_device dove_sdio0 = {
233 .name = "sdhci-dove",
236 .dma_mask = &sdio_dmamask,
237 .coherent_dma_mask = DMA_BIT_MASK(32),
239 .resource = dove_sdio0_resources,
240 .num_resources = ARRAY_SIZE(dove_sdio0_resources),
243 void __init dove_sdio0_init(void)
245 platform_device_register(&dove_sdio0);
248 static struct resource dove_sdio1_resources[] = {
250 .start = DOVE_SDIO1_PHYS_BASE,
251 .end = DOVE_SDIO1_PHYS_BASE + 0xff,
252 .flags = IORESOURCE_MEM,
254 .start = IRQ_DOVE_SDIO1,
255 .end = IRQ_DOVE_SDIO1,
256 .flags = IORESOURCE_IRQ,
260 static struct platform_device dove_sdio1 = {
261 .name = "sdhci-dove",
264 .dma_mask = &sdio_dmamask,
265 .coherent_dma_mask = DMA_BIT_MASK(32),
267 .resource = dove_sdio1_resources,
268 .num_resources = ARRAY_SIZE(dove_sdio1_resources),
271 void __init dove_sdio1_init(void)
273 platform_device_register(&dove_sdio1);
276 void __init dove_init(void)
278 printk(KERN_INFO "Dove 88AP510 SoC, ");
279 printk(KERN_INFO "TCLK = %dMHz\n", (get_tclk() + 499999) / 1000000);
281 #ifdef CONFIG_CACHE_TAUROS2
284 dove_setup_cpu_mbus();
286 /* Setup root of clk tree */
289 /* internal devices that every board has */
295 void dove_restart(char mode, const char *cmd)
298 * Enable soft reset to assert RSTOUTn.
300 writel(SOFT_RESET_OUT_EN, RSTOUTn_MASK);
305 writel(SOFT_RESET, SYSTEM_SOFT_RESET);