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>
28 #include <mach/bridge-regs.h>
29 #include <asm/mach/arch.h>
30 #include <linux/irq.h>
31 #include <plat/time.h>
32 #include <plat/ehci-orion.h>
33 #include <plat/common.h>
34 #include <plat/addr-map.h>
37 /*****************************************************************************
39 ****************************************************************************/
40 static struct map_desc dove_io_desc[] __initdata = {
42 .virtual = DOVE_SB_REGS_VIRT_BASE,
43 .pfn = __phys_to_pfn(DOVE_SB_REGS_PHYS_BASE),
44 .length = DOVE_SB_REGS_SIZE,
47 .virtual = DOVE_NB_REGS_VIRT_BASE,
48 .pfn = __phys_to_pfn(DOVE_NB_REGS_PHYS_BASE),
49 .length = DOVE_NB_REGS_SIZE,
52 .virtual = DOVE_PCIE0_IO_VIRT_BASE,
53 .pfn = __phys_to_pfn(DOVE_PCIE0_IO_PHYS_BASE),
54 .length = DOVE_PCIE0_IO_SIZE,
57 .virtual = DOVE_PCIE1_IO_VIRT_BASE,
58 .pfn = __phys_to_pfn(DOVE_PCIE1_IO_PHYS_BASE),
59 .length = DOVE_PCIE1_IO_SIZE,
64 void __init dove_map_io(void)
66 iotable_init(dove_io_desc, ARRAY_SIZE(dove_io_desc));
69 /*****************************************************************************
71 ****************************************************************************/
74 static DEFINE_SPINLOCK(gating_lock);
75 static struct clk *tclk;
77 static struct clk __init *dove_register_gate(const char *name,
78 const char *parent, u8 bit_idx)
80 return clk_register_gate(NULL, name, parent, 0,
81 (void __iomem *)CLOCK_GATING_CONTROL,
82 bit_idx, 0, &gating_lock);
85 static void __init dove_clk_init(void)
87 struct clk *usb0, *usb1, *sata, *pex0, *pex1, *sdio0, *sdio1;
88 struct clk *nand, *camera, *i2s0, *i2s1, *crypto, *ac97, *pdma;
89 struct clk *xor0, *xor1, *ge, *gephy;
91 tclk = clk_register_fixed_rate(NULL, "tclk", NULL, CLK_IS_ROOT,
94 usb0 = dove_register_gate("usb0", "tclk", CLOCK_GATING_BIT_USB0);
95 usb1 = dove_register_gate("usb1", "tclk", CLOCK_GATING_BIT_USB1);
96 sata = dove_register_gate("sata", "tclk", CLOCK_GATING_BIT_SATA);
97 pex0 = dove_register_gate("pex0", "tclk", CLOCK_GATING_BIT_PCIE0);
98 pex1 = dove_register_gate("pex1", "tclk", CLOCK_GATING_BIT_PCIE1);
99 sdio0 = dove_register_gate("sdio0", "tclk", CLOCK_GATING_BIT_SDIO0);
100 sdio1 = dove_register_gate("sdio1", "tclk", CLOCK_GATING_BIT_SDIO1);
101 nand = dove_register_gate("nand", "tclk", CLOCK_GATING_BIT_NAND);
102 camera = dove_register_gate("camera", "tclk", CLOCK_GATING_BIT_CAMERA);
103 i2s0 = dove_register_gate("i2s0", "tclk", CLOCK_GATING_BIT_I2S0);
104 i2s1 = dove_register_gate("i2s1", "tclk", CLOCK_GATING_BIT_I2S1);
105 crypto = dove_register_gate("crypto", "tclk", CLOCK_GATING_BIT_CRYPTO);
106 ac97 = dove_register_gate("ac97", "tclk", CLOCK_GATING_BIT_AC97);
107 pdma = dove_register_gate("pdma", "tclk", CLOCK_GATING_BIT_PDMA);
108 xor0 = dove_register_gate("xor0", "tclk", CLOCK_GATING_BIT_XOR0);
109 xor1 = dove_register_gate("xor1", "tclk", CLOCK_GATING_BIT_XOR1);
110 gephy = dove_register_gate("gephy", "tclk", CLOCK_GATING_BIT_GIGA_PHY);
111 ge = dove_register_gate("ge", "gephy", CLOCK_GATING_BIT_GBE);
113 orion_clkdev_add(NULL, "orion_spi.0", tclk);
114 orion_clkdev_add(NULL, "orion_spi.1", tclk);
115 orion_clkdev_add(NULL, "orion_wdt", tclk);
116 orion_clkdev_add(NULL, "mv64xxx_i2c.0", tclk);
118 orion_clkdev_add(NULL, "orion-ehci.0", usb0);
119 orion_clkdev_add(NULL, "orion-ehci.1", usb1);
120 orion_clkdev_add(NULL, "mv643xx_eth.0", ge);
121 orion_clkdev_add("0", "sata_mv.0", sata);
122 orion_clkdev_add("0", "pcie", pex0);
123 orion_clkdev_add("1", "pcie", pex1);
124 orion_clkdev_add(NULL, "sdhci-dove.0", sdio0);
125 orion_clkdev_add(NULL, "sdhci-dove.1", sdio1);
126 orion_clkdev_add(NULL, "orion_nand", nand);
127 orion_clkdev_add(NULL, "cafe1000-ccic.0", camera);
128 orion_clkdev_add(NULL, "kirkwood-i2s.0", i2s0);
129 orion_clkdev_add(NULL, "kirkwood-i2s.1", i2s1);
130 orion_clkdev_add(NULL, "mv_crypto", crypto);
131 orion_clkdev_add(NULL, "dove-ac97", ac97);
132 orion_clkdev_add(NULL, "dove-pdma", pdma);
133 orion_clkdev_add(NULL, "mv_xor_shared.0", xor0);
134 orion_clkdev_add(NULL, "mv_xor_shared.1", xor1);
137 /*****************************************************************************
139 ****************************************************************************/
140 void __init dove_ehci0_init(void)
142 orion_ehci_init(DOVE_USB0_PHYS_BASE, IRQ_DOVE_USB0, EHCI_PHY_NA);
145 /*****************************************************************************
147 ****************************************************************************/
148 void __init dove_ehci1_init(void)
150 orion_ehci_1_init(DOVE_USB1_PHYS_BASE, IRQ_DOVE_USB1);
153 /*****************************************************************************
155 ****************************************************************************/
156 void __init dove_ge00_init(struct mv643xx_eth_platform_data *eth_data)
158 orion_ge00_init(eth_data, DOVE_GE00_PHYS_BASE,
159 IRQ_DOVE_GE00_SUM, IRQ_DOVE_GE00_ERR,
163 /*****************************************************************************
165 ****************************************************************************/
166 void __init dove_rtc_init(void)
168 orion_rtc_init(DOVE_RTC_PHYS_BASE, IRQ_DOVE_RTC);
171 /*****************************************************************************
173 ****************************************************************************/
174 void __init dove_sata_init(struct mv_sata_platform_data *sata_data)
176 orion_sata_init(sata_data, DOVE_SATA_PHYS_BASE, IRQ_DOVE_SATA);
180 /*****************************************************************************
182 ****************************************************************************/
183 void __init dove_uart0_init(void)
185 orion_uart0_init(DOVE_UART0_VIRT_BASE, DOVE_UART0_PHYS_BASE,
186 IRQ_DOVE_UART_0, tclk);
189 /*****************************************************************************
191 ****************************************************************************/
192 void __init dove_uart1_init(void)
194 orion_uart1_init(DOVE_UART1_VIRT_BASE, DOVE_UART1_PHYS_BASE,
195 IRQ_DOVE_UART_1, tclk);
198 /*****************************************************************************
200 ****************************************************************************/
201 void __init dove_uart2_init(void)
203 orion_uart2_init(DOVE_UART2_VIRT_BASE, DOVE_UART2_PHYS_BASE,
204 IRQ_DOVE_UART_2, tclk);
207 /*****************************************************************************
209 ****************************************************************************/
210 void __init dove_uart3_init(void)
212 orion_uart3_init(DOVE_UART3_VIRT_BASE, DOVE_UART3_PHYS_BASE,
213 IRQ_DOVE_UART_3, tclk);
216 /*****************************************************************************
218 ****************************************************************************/
219 void __init dove_spi0_init(void)
221 orion_spi_init(DOVE_SPI0_PHYS_BASE);
224 void __init dove_spi1_init(void)
226 orion_spi_1_init(DOVE_SPI1_PHYS_BASE);
229 /*****************************************************************************
231 ****************************************************************************/
232 void __init dove_i2c_init(void)
234 orion_i2c_init(DOVE_I2C_PHYS_BASE, IRQ_DOVE_I2C, 10);
237 /*****************************************************************************
239 ****************************************************************************/
240 void __init dove_init_early(void)
242 orion_time_set_base(TIMER_VIRT_BASE);
245 static int __init dove_find_tclk(void)
250 static void __init dove_timer_init(void)
252 dove_tclk = dove_find_tclk();
253 orion_time_init(BRIDGE_VIRT_BASE, BRIDGE_INT_TIMER1_CLR,
254 IRQ_DOVE_BRIDGE, dove_tclk);
257 struct sys_timer dove_timer = {
258 .init = dove_timer_init,
261 /*****************************************************************************
263 ****************************************************************************/
264 void __init dove_xor0_init(void)
266 orion_xor0_init(DOVE_XOR0_PHYS_BASE, DOVE_XOR0_HIGH_PHYS_BASE,
267 IRQ_DOVE_XOR_00, IRQ_DOVE_XOR_01);
270 /*****************************************************************************
272 ****************************************************************************/
273 void __init dove_xor1_init(void)
275 orion_xor1_init(DOVE_XOR1_PHYS_BASE, DOVE_XOR1_HIGH_PHYS_BASE,
276 IRQ_DOVE_XOR_10, IRQ_DOVE_XOR_11);
279 /*****************************************************************************
281 ****************************************************************************/
282 static u64 sdio_dmamask = DMA_BIT_MASK(32);
284 static struct resource dove_sdio0_resources[] = {
286 .start = DOVE_SDIO0_PHYS_BASE,
287 .end = DOVE_SDIO0_PHYS_BASE + 0xff,
288 .flags = IORESOURCE_MEM,
290 .start = IRQ_DOVE_SDIO0,
291 .end = IRQ_DOVE_SDIO0,
292 .flags = IORESOURCE_IRQ,
296 static struct platform_device dove_sdio0 = {
297 .name = "sdhci-dove",
300 .dma_mask = &sdio_dmamask,
301 .coherent_dma_mask = DMA_BIT_MASK(32),
303 .resource = dove_sdio0_resources,
304 .num_resources = ARRAY_SIZE(dove_sdio0_resources),
307 void __init dove_sdio0_init(void)
309 platform_device_register(&dove_sdio0);
312 static struct resource dove_sdio1_resources[] = {
314 .start = DOVE_SDIO1_PHYS_BASE,
315 .end = DOVE_SDIO1_PHYS_BASE + 0xff,
316 .flags = IORESOURCE_MEM,
318 .start = IRQ_DOVE_SDIO1,
319 .end = IRQ_DOVE_SDIO1,
320 .flags = IORESOURCE_IRQ,
324 static struct platform_device dove_sdio1 = {
325 .name = "sdhci-dove",
328 .dma_mask = &sdio_dmamask,
329 .coherent_dma_mask = DMA_BIT_MASK(32),
331 .resource = dove_sdio1_resources,
332 .num_resources = ARRAY_SIZE(dove_sdio1_resources),
335 void __init dove_sdio1_init(void)
337 platform_device_register(&dove_sdio1);
340 void __init dove_init(void)
342 pr_info("Dove 88AP510 SoC, TCLK = %d MHz.\n",
343 (dove_tclk + 499999) / 1000000);
345 #ifdef CONFIG_CACHE_TAUROS2
348 dove_setup_cpu_mbus();
350 /* Setup root of clk tree */
353 /* internal devices that every board has */
359 void dove_restart(char mode, const char *cmd)
362 * Enable soft reset to assert RSTOUTn.
364 writel(SOFT_RESET_OUT_EN, RSTOUTn_MASK);
369 writel(SOFT_RESET, SYSTEM_SOFT_RESET);