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 <plat/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,
53 .virtual = DOVE_PCIE0_IO_VIRT_BASE,
54 .pfn = __phys_to_pfn(DOVE_PCIE0_IO_PHYS_BASE),
55 .length = DOVE_PCIE0_IO_SIZE,
58 .virtual = DOVE_PCIE1_IO_VIRT_BASE,
59 .pfn = __phys_to_pfn(DOVE_PCIE1_IO_PHYS_BASE),
60 .length = DOVE_PCIE1_IO_SIZE,
65 void __init dove_map_io(void)
67 iotable_init(dove_io_desc, ARRAY_SIZE(dove_io_desc));
70 /*****************************************************************************
72 ****************************************************************************/
73 static struct clk *tclk;
75 static void __init clk_init(void)
77 tclk = clk_register_fixed_rate(NULL, "tclk", NULL, CLK_IS_ROOT,
80 orion_clkdev_init(tclk);
83 /*****************************************************************************
85 ****************************************************************************/
86 void __init dove_ehci0_init(void)
88 orion_ehci_init(DOVE_USB0_PHYS_BASE, IRQ_DOVE_USB0, EHCI_PHY_NA);
91 /*****************************************************************************
93 ****************************************************************************/
94 void __init dove_ehci1_init(void)
96 orion_ehci_1_init(DOVE_USB1_PHYS_BASE, IRQ_DOVE_USB1);
99 /*****************************************************************************
101 ****************************************************************************/
102 void __init dove_ge00_init(struct mv643xx_eth_platform_data *eth_data)
104 orion_ge00_init(eth_data, DOVE_GE00_PHYS_BASE,
105 IRQ_DOVE_GE00_SUM, IRQ_DOVE_GE00_ERR);
108 /*****************************************************************************
110 ****************************************************************************/
111 void __init dove_rtc_init(void)
113 orion_rtc_init(DOVE_RTC_PHYS_BASE, IRQ_DOVE_RTC);
116 /*****************************************************************************
118 ****************************************************************************/
119 void __init dove_sata_init(struct mv_sata_platform_data *sata_data)
121 orion_sata_init(sata_data, DOVE_SATA_PHYS_BASE, IRQ_DOVE_SATA);
125 /*****************************************************************************
127 ****************************************************************************/
128 void __init dove_uart0_init(void)
130 orion_uart0_init(DOVE_UART0_VIRT_BASE, DOVE_UART0_PHYS_BASE,
131 IRQ_DOVE_UART_0, tclk);
134 /*****************************************************************************
136 ****************************************************************************/
137 void __init dove_uart1_init(void)
139 orion_uart1_init(DOVE_UART1_VIRT_BASE, DOVE_UART1_PHYS_BASE,
140 IRQ_DOVE_UART_1, tclk);
143 /*****************************************************************************
145 ****************************************************************************/
146 void __init dove_uart2_init(void)
148 orion_uart2_init(DOVE_UART2_VIRT_BASE, DOVE_UART2_PHYS_BASE,
149 IRQ_DOVE_UART_2, tclk);
152 /*****************************************************************************
154 ****************************************************************************/
155 void __init dove_uart3_init(void)
157 orion_uart3_init(DOVE_UART3_VIRT_BASE, DOVE_UART3_PHYS_BASE,
158 IRQ_DOVE_UART_3, tclk);
161 /*****************************************************************************
163 ****************************************************************************/
164 void __init dove_spi0_init(void)
166 orion_spi_init(DOVE_SPI0_PHYS_BASE);
169 void __init dove_spi1_init(void)
171 orion_spi_1_init(DOVE_SPI1_PHYS_BASE);
174 /*****************************************************************************
176 ****************************************************************************/
177 void __init dove_i2c_init(void)
179 orion_i2c_init(DOVE_I2C_PHYS_BASE, IRQ_DOVE_I2C, 10);
182 /*****************************************************************************
184 ****************************************************************************/
185 void __init dove_init_early(void)
187 orion_time_set_base(TIMER_VIRT_BASE);
190 static int get_tclk(void)
192 /* use DOVE_RESET_SAMPLE_HI/LO to detect tclk */
196 static void __init dove_timer_init(void)
198 orion_time_init(BRIDGE_VIRT_BASE, BRIDGE_INT_TIMER1_CLR,
199 IRQ_DOVE_BRIDGE, get_tclk());
202 struct sys_timer dove_timer = {
203 .init = dove_timer_init,
206 /*****************************************************************************
208 ****************************************************************************/
209 void __init dove_xor0_init(void)
211 orion_xor0_init(DOVE_XOR0_PHYS_BASE, DOVE_XOR0_HIGH_PHYS_BASE,
212 IRQ_DOVE_XOR_00, IRQ_DOVE_XOR_01);
215 /*****************************************************************************
217 ****************************************************************************/
218 void __init dove_xor1_init(void)
220 orion_xor1_init(DOVE_XOR1_PHYS_BASE, DOVE_XOR1_HIGH_PHYS_BASE,
221 IRQ_DOVE_XOR_10, IRQ_DOVE_XOR_11);
224 /*****************************************************************************
226 ****************************************************************************/
227 static u64 sdio_dmamask = DMA_BIT_MASK(32);
229 static struct resource dove_sdio0_resources[] = {
231 .start = DOVE_SDIO0_PHYS_BASE,
232 .end = DOVE_SDIO0_PHYS_BASE + 0xff,
233 .flags = IORESOURCE_MEM,
235 .start = IRQ_DOVE_SDIO0,
236 .end = IRQ_DOVE_SDIO0,
237 .flags = IORESOURCE_IRQ,
241 static struct platform_device dove_sdio0 = {
242 .name = "sdhci-dove",
245 .dma_mask = &sdio_dmamask,
246 .coherent_dma_mask = DMA_BIT_MASK(32),
248 .resource = dove_sdio0_resources,
249 .num_resources = ARRAY_SIZE(dove_sdio0_resources),
252 void __init dove_sdio0_init(void)
254 platform_device_register(&dove_sdio0);
257 static struct resource dove_sdio1_resources[] = {
259 .start = DOVE_SDIO1_PHYS_BASE,
260 .end = DOVE_SDIO1_PHYS_BASE + 0xff,
261 .flags = IORESOURCE_MEM,
263 .start = IRQ_DOVE_SDIO1,
264 .end = IRQ_DOVE_SDIO1,
265 .flags = IORESOURCE_IRQ,
269 static struct platform_device dove_sdio1 = {
270 .name = "sdhci-dove",
273 .dma_mask = &sdio_dmamask,
274 .coherent_dma_mask = DMA_BIT_MASK(32),
276 .resource = dove_sdio1_resources,
277 .num_resources = ARRAY_SIZE(dove_sdio1_resources),
280 void __init dove_sdio1_init(void)
282 platform_device_register(&dove_sdio1);
285 void __init dove_init(void)
287 printk(KERN_INFO "Dove 88AP510 SoC, ");
288 printk(KERN_INFO "TCLK = %dMHz\n", (get_tclk() + 499999) / 1000000);
290 #ifdef CONFIG_CACHE_TAUROS2
293 dove_setup_cpu_mbus();
295 /* Setup root of clk tree */
298 /* internal devices that every board has */
304 void dove_restart(char mode, const char *cmd)
307 * Enable soft reset to assert RSTOUTn.
309 writel(SOFT_RESET_OUT_EN, RSTOUTn_MASK);
314 writel(SOFT_RESET, SYSTEM_SOFT_RESET);