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 <linux/of_platform.h>
22 #include <asm/setup.h>
23 #include <asm/timex.h>
24 #include <asm/hardware/cache-tauros2.h>
25 #include <asm/mach/map.h>
26 #include <asm/mach/time.h>
27 #include <asm/mach/pci.h>
28 #include <mach/dove.h>
30 #include <mach/bridge-regs.h>
31 #include <asm/mach/arch.h>
32 #include <linux/irq.h>
33 #include <plat/time.h>
34 #include <linux/platform_data/usb-ehci-orion.h>
35 #include <plat/common.h>
36 #include <plat/addr-map.h>
39 /*****************************************************************************
41 ****************************************************************************/
42 static struct map_desc dove_io_desc
[] __initdata
= {
44 .virtual = DOVE_SB_REGS_VIRT_BASE
,
45 .pfn
= __phys_to_pfn(DOVE_SB_REGS_PHYS_BASE
),
46 .length
= DOVE_SB_REGS_SIZE
,
49 .virtual = DOVE_NB_REGS_VIRT_BASE
,
50 .pfn
= __phys_to_pfn(DOVE_NB_REGS_PHYS_BASE
),
51 .length
= DOVE_NB_REGS_SIZE
,
56 void __init
dove_map_io(void)
58 iotable_init(dove_io_desc
, ARRAY_SIZE(dove_io_desc
));
61 /*****************************************************************************
63 ****************************************************************************/
66 static DEFINE_SPINLOCK(gating_lock
);
67 static struct clk
*tclk
;
69 static struct clk __init
*dove_register_gate(const char *name
,
70 const char *parent
, u8 bit_idx
)
72 return clk_register_gate(NULL
, name
, parent
, 0,
73 (void __iomem
*)CLOCK_GATING_CONTROL
,
74 bit_idx
, 0, &gating_lock
);
77 static void __init
dove_clk_init(void)
79 struct clk
*usb0
, *usb1
, *sata
, *pex0
, *pex1
, *sdio0
, *sdio1
;
80 struct clk
*nand
, *camera
, *i2s0
, *i2s1
, *crypto
, *ac97
, *pdma
;
81 struct clk
*xor0
, *xor1
, *ge
, *gephy
;
83 tclk
= clk_register_fixed_rate(NULL
, "tclk", NULL
, CLK_IS_ROOT
,
86 usb0
= dove_register_gate("usb0", "tclk", CLOCK_GATING_BIT_USB0
);
87 usb1
= dove_register_gate("usb1", "tclk", CLOCK_GATING_BIT_USB1
);
88 sata
= dove_register_gate("sata", "tclk", CLOCK_GATING_BIT_SATA
);
89 pex0
= dove_register_gate("pex0", "tclk", CLOCK_GATING_BIT_PCIE0
);
90 pex1
= dove_register_gate("pex1", "tclk", CLOCK_GATING_BIT_PCIE1
);
91 sdio0
= dove_register_gate("sdio0", "tclk", CLOCK_GATING_BIT_SDIO0
);
92 sdio1
= dove_register_gate("sdio1", "tclk", CLOCK_GATING_BIT_SDIO1
);
93 nand
= dove_register_gate("nand", "tclk", CLOCK_GATING_BIT_NAND
);
94 camera
= dove_register_gate("camera", "tclk", CLOCK_GATING_BIT_CAMERA
);
95 i2s0
= dove_register_gate("i2s0", "tclk", CLOCK_GATING_BIT_I2S0
);
96 i2s1
= dove_register_gate("i2s1", "tclk", CLOCK_GATING_BIT_I2S1
);
97 crypto
= dove_register_gate("crypto", "tclk", CLOCK_GATING_BIT_CRYPTO
);
98 ac97
= dove_register_gate("ac97", "tclk", CLOCK_GATING_BIT_AC97
);
99 pdma
= dove_register_gate("pdma", "tclk", CLOCK_GATING_BIT_PDMA
);
100 xor0
= dove_register_gate("xor0", "tclk", CLOCK_GATING_BIT_XOR0
);
101 xor1
= dove_register_gate("xor1", "tclk", CLOCK_GATING_BIT_XOR1
);
102 gephy
= dove_register_gate("gephy", "tclk", CLOCK_GATING_BIT_GIGA_PHY
);
103 ge
= dove_register_gate("ge", "gephy", CLOCK_GATING_BIT_GBE
);
105 orion_clkdev_add(NULL
, "orion_spi.0", tclk
);
106 orion_clkdev_add(NULL
, "orion_spi.1", tclk
);
107 orion_clkdev_add(NULL
, "orion_wdt", tclk
);
108 orion_clkdev_add(NULL
, "mv64xxx_i2c.0", tclk
);
110 orion_clkdev_add(NULL
, "orion-ehci.0", usb0
);
111 orion_clkdev_add(NULL
, "orion-ehci.1", usb1
);
112 orion_clkdev_add(NULL
, "mv643xx_eth.0", ge
);
113 orion_clkdev_add("0", "sata_mv.0", sata
);
114 orion_clkdev_add("0", "pcie", pex0
);
115 orion_clkdev_add("1", "pcie", pex1
);
116 orion_clkdev_add(NULL
, "sdhci-dove.0", sdio0
);
117 orion_clkdev_add(NULL
, "sdhci-dove.1", sdio1
);
118 orion_clkdev_add(NULL
, "orion_nand", nand
);
119 orion_clkdev_add(NULL
, "cafe1000-ccic.0", camera
);
120 orion_clkdev_add(NULL
, "kirkwood-i2s.0", i2s0
);
121 orion_clkdev_add(NULL
, "kirkwood-i2s.1", i2s1
);
122 orion_clkdev_add(NULL
, "mv_crypto", crypto
);
123 orion_clkdev_add(NULL
, "dove-ac97", ac97
);
124 orion_clkdev_add(NULL
, "dove-pdma", pdma
);
125 orion_clkdev_add(NULL
, "mv_xor_shared.0", xor0
);
126 orion_clkdev_add(NULL
, "mv_xor_shared.1", xor1
);
129 /*****************************************************************************
131 ****************************************************************************/
132 void __init
dove_ehci0_init(void)
134 orion_ehci_init(DOVE_USB0_PHYS_BASE
, IRQ_DOVE_USB0
, EHCI_PHY_NA
);
137 /*****************************************************************************
139 ****************************************************************************/
140 void __init
dove_ehci1_init(void)
142 orion_ehci_1_init(DOVE_USB1_PHYS_BASE
, IRQ_DOVE_USB1
);
145 /*****************************************************************************
147 ****************************************************************************/
148 void __init
dove_ge00_init(struct mv643xx_eth_platform_data
*eth_data
)
150 orion_ge00_init(eth_data
, DOVE_GE00_PHYS_BASE
,
151 IRQ_DOVE_GE00_SUM
, IRQ_DOVE_GE00_ERR
,
155 /*****************************************************************************
157 ****************************************************************************/
158 void __init
dove_rtc_init(void)
160 orion_rtc_init(DOVE_RTC_PHYS_BASE
, IRQ_DOVE_RTC
);
163 /*****************************************************************************
165 ****************************************************************************/
166 void __init
dove_sata_init(struct mv_sata_platform_data
*sata_data
)
168 orion_sata_init(sata_data
, DOVE_SATA_PHYS_BASE
, IRQ_DOVE_SATA
);
172 /*****************************************************************************
174 ****************************************************************************/
175 void __init
dove_uart0_init(void)
177 orion_uart0_init(DOVE_UART0_VIRT_BASE
, DOVE_UART0_PHYS_BASE
,
178 IRQ_DOVE_UART_0
, tclk
);
181 /*****************************************************************************
183 ****************************************************************************/
184 void __init
dove_uart1_init(void)
186 orion_uart1_init(DOVE_UART1_VIRT_BASE
, DOVE_UART1_PHYS_BASE
,
187 IRQ_DOVE_UART_1
, tclk
);
190 /*****************************************************************************
192 ****************************************************************************/
193 void __init
dove_uart2_init(void)
195 orion_uart2_init(DOVE_UART2_VIRT_BASE
, DOVE_UART2_PHYS_BASE
,
196 IRQ_DOVE_UART_2
, tclk
);
199 /*****************************************************************************
201 ****************************************************************************/
202 void __init
dove_uart3_init(void)
204 orion_uart3_init(DOVE_UART3_VIRT_BASE
, DOVE_UART3_PHYS_BASE
,
205 IRQ_DOVE_UART_3
, tclk
);
208 /*****************************************************************************
210 ****************************************************************************/
211 void __init
dove_spi0_init(void)
213 orion_spi_init(DOVE_SPI0_PHYS_BASE
);
216 void __init
dove_spi1_init(void)
218 orion_spi_1_init(DOVE_SPI1_PHYS_BASE
);
221 /*****************************************************************************
223 ****************************************************************************/
224 void __init
dove_i2c_init(void)
226 orion_i2c_init(DOVE_I2C_PHYS_BASE
, IRQ_DOVE_I2C
, 10);
229 /*****************************************************************************
231 ****************************************************************************/
232 void __init
dove_init_early(void)
234 orion_time_set_base(TIMER_VIRT_BASE
);
237 static int __init
dove_find_tclk(void)
242 static void __init
dove_timer_init(void)
244 dove_tclk
= dove_find_tclk();
245 orion_time_init(BRIDGE_VIRT_BASE
, BRIDGE_INT_TIMER1_CLR
,
246 IRQ_DOVE_BRIDGE
, dove_tclk
);
249 struct sys_timer dove_timer
= {
250 .init
= dove_timer_init
,
253 /*****************************************************************************
254 * Cryptographic Engines and Security Accelerator (CESA)
255 ****************************************************************************/
256 void __init
dove_crypto_init(void)
258 orion_crypto_init(DOVE_CRYPT_PHYS_BASE
, DOVE_CESA_PHYS_BASE
,
259 DOVE_CESA_SIZE
, IRQ_DOVE_CRYPTO
);
262 /*****************************************************************************
264 ****************************************************************************/
265 void __init
dove_xor0_init(void)
267 orion_xor0_init(DOVE_XOR0_PHYS_BASE
, DOVE_XOR0_HIGH_PHYS_BASE
,
268 IRQ_DOVE_XOR_00
, IRQ_DOVE_XOR_01
);
271 /*****************************************************************************
273 ****************************************************************************/
274 void __init
dove_xor1_init(void)
276 orion_xor1_init(DOVE_XOR1_PHYS_BASE
, DOVE_XOR1_HIGH_PHYS_BASE
,
277 IRQ_DOVE_XOR_10
, IRQ_DOVE_XOR_11
);
280 /*****************************************************************************
282 ****************************************************************************/
283 static u64 sdio_dmamask
= DMA_BIT_MASK(32);
285 static struct resource dove_sdio0_resources
[] = {
287 .start
= DOVE_SDIO0_PHYS_BASE
,
288 .end
= DOVE_SDIO0_PHYS_BASE
+ 0xff,
289 .flags
= IORESOURCE_MEM
,
291 .start
= IRQ_DOVE_SDIO0
,
292 .end
= IRQ_DOVE_SDIO0
,
293 .flags
= IORESOURCE_IRQ
,
297 static struct platform_device dove_sdio0
= {
298 .name
= "sdhci-dove",
301 .dma_mask
= &sdio_dmamask
,
302 .coherent_dma_mask
= DMA_BIT_MASK(32),
304 .resource
= dove_sdio0_resources
,
305 .num_resources
= ARRAY_SIZE(dove_sdio0_resources
),
308 void __init
dove_sdio0_init(void)
310 platform_device_register(&dove_sdio0
);
313 static struct resource dove_sdio1_resources
[] = {
315 .start
= DOVE_SDIO1_PHYS_BASE
,
316 .end
= DOVE_SDIO1_PHYS_BASE
+ 0xff,
317 .flags
= IORESOURCE_MEM
,
319 .start
= IRQ_DOVE_SDIO1
,
320 .end
= IRQ_DOVE_SDIO1
,
321 .flags
= IORESOURCE_IRQ
,
325 static struct platform_device dove_sdio1
= {
326 .name
= "sdhci-dove",
329 .dma_mask
= &sdio_dmamask
,
330 .coherent_dma_mask
= DMA_BIT_MASK(32),
332 .resource
= dove_sdio1_resources
,
333 .num_resources
= ARRAY_SIZE(dove_sdio1_resources
),
336 void __init
dove_sdio1_init(void)
338 platform_device_register(&dove_sdio1
);
341 void __init
dove_init(void)
343 pr_info("Dove 88AP510 SoC, TCLK = %d MHz.\n",
344 (dove_tclk
+ 499999) / 1000000);
346 #ifdef CONFIG_CACHE_TAUROS2
349 dove_setup_cpu_mbus();
351 /* Setup root of clk tree */
354 /* internal devices that every board has */
360 void dove_restart(char mode
, const char *cmd
)
363 * Enable soft reset to assert RSTOUTn.
365 writel(SOFT_RESET_OUT_EN
, RSTOUTn_MASK
);
370 writel(SOFT_RESET
, SYSTEM_SOFT_RESET
);
376 #if defined(CONFIG_MACH_DOVE_DT)
378 * Auxdata required until real OF clock provider
380 struct of_dev_auxdata dove_auxdata_lookup
[] __initdata
= {
381 OF_DEV_AUXDATA("marvell,orion-spi", 0xf1010600, "orion_spi.0", NULL
),
382 OF_DEV_AUXDATA("marvell,orion-spi", 0xf1014600, "orion_spi.1", NULL
),
383 OF_DEV_AUXDATA("marvell,orion-wdt", 0xf1020300, "orion_wdt", NULL
),
384 OF_DEV_AUXDATA("marvell,mv64xxx-i2c", 0xf1011000, "mv64xxx_i2c.0",
386 OF_DEV_AUXDATA("marvell,orion-sata", 0xf10a0000, "sata_mv.0", NULL
),
387 OF_DEV_AUXDATA("marvell,dove-sdhci", 0xf1092000, "sdhci-dove.0", NULL
),
388 OF_DEV_AUXDATA("marvell,dove-sdhci", 0xf1090000, "sdhci-dove.1", NULL
),
392 static struct mv643xx_eth_platform_data dove_dt_ge00_data
= {
393 .phy_addr
= MV643XX_ETH_PHY_ADDR_DEFAULT
,
396 static void __init
dove_dt_init(void)
398 pr_info("Dove 88AP510 SoC, TCLK = %d MHz.\n",
399 (dove_tclk
+ 499999) / 1000000);
401 #ifdef CONFIG_CACHE_TAUROS2
404 dove_setup_cpu_mbus();
406 /* Setup root of clk tree */
409 /* Internal devices not ported to DT yet */
414 dove_ge00_init(&dove_dt_ge00_data
);
417 dove_pcie_init(1, 1);
420 of_platform_populate(NULL
, of_default_bus_match_table
,
421 dove_auxdata_lookup
, NULL
);
424 static const char * const dove_dt_board_compat
[] = {
429 DT_MACHINE_START(DOVE_DT
, "Marvell Dove (Flattened Device Tree)")
430 .map_io
= dove_map_io
,
431 .init_early
= dove_init_early
,
432 .init_irq
= orion_dt_init_irq
,
433 .timer
= &dove_timer
,
434 .init_machine
= dove_dt_init
,
435 .restart
= dove_restart
,
436 .dt_compat
= dove_dt_board_compat
,