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authorLinus Torvalds <torvalds@g5.osdl.org>2005-11-10 13:17:11 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-10 13:17:11 -0500
commita46699c9a32505cb5bbfd16f76e7d4a2c84a7705 (patch)
tree5c0bc91dd1c07ab95769f5749b3b58235c758d50 /arch/arm/mach-omap2
parent7ed0175a462c4c30f6df6fac1cccac058f997739 (diff)
parentb216c01829d0b73a468204e2e763c0a818b77a46 (diff)
Merge master.kernel.org:/home/rmk/linux-2.6-arm
Diffstat (limited to 'arch/arm/mach-omap2')
-rw-r--r--arch/arm/mach-omap2/Kconfig22
-rw-r--r--arch/arm/mach-omap2/Makefile13
-rw-r--r--arch/arm/mach-omap2/Makefile.boot3
-rw-r--r--arch/arm/mach-omap2/board-generic.c80
-rw-r--r--arch/arm/mach-omap2/board-h4.c197
-rw-r--r--arch/arm/mach-omap2/clock.c1129
-rw-r--r--arch/arm/mach-omap2/clock.h2103
-rw-r--r--arch/arm/mach-omap2/devices.c89
-rw-r--r--arch/arm/mach-omap2/id.c124
-rw-r--r--arch/arm/mach-omap2/io.c53
-rw-r--r--arch/arm/mach-omap2/irq.c149
-rw-r--r--arch/arm/mach-omap2/mux.c65
-rw-r--r--arch/arm/mach-omap2/prcm.h419
-rw-r--r--arch/arm/mach-omap2/serial.c180
-rw-r--r--arch/arm/mach-omap2/sram-fn.S333
-rw-r--r--arch/arm/mach-omap2/timer-gp.c126
16 files changed, 5085 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
new file mode 100644
index 000000000000..578880943cf2
--- /dev/null
+++ b/arch/arm/mach-omap2/Kconfig
@@ -0,0 +1,22 @@
1comment "OMAP Core Type"
2 depends on ARCH_OMAP2
3
4config ARCH_OMAP24XX
5 bool "OMAP24xx Based System"
6 depends on ARCH_OMAP2
7
8config ARCH_OMAP2420
9 bool "OMAP2420 support"
10 depends on ARCH_OMAP24XX
11
12comment "OMAP Board Type"
13 depends on ARCH_OMAP2
14
15config MACH_OMAP_GENERIC
16 bool "Generic OMAP board"
17 depends on ARCH_OMAP2 && ARCH_OMAP24XX
18
19config MACH_OMAP_H4
20 bool "OMAP 2420 H4 board"
21 depends on ARCH_OMAP2 && ARCH_OMAP24XX
22
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
new file mode 100644
index 000000000000..42041166435c
--- /dev/null
+++ b/arch/arm/mach-omap2/Makefile
@@ -0,0 +1,13 @@
1#
2# Makefile for the linux kernel.
3#
4
5# Common support
6obj-y := irq.o id.o io.o sram-fn.o clock.o mux.o devices.o serial.o
7
8obj-$(CONFIG_OMAP_MPU_TIMER) += timer-gp.o
9
10# Specific board support
11obj-$(CONFIG_MACH_OMAP_GENERIC) += board-generic.o
12obj-$(CONFIG_MACH_OMAP_H4) += board-h4.o
13
diff --git a/arch/arm/mach-omap2/Makefile.boot b/arch/arm/mach-omap2/Makefile.boot
new file mode 100644
index 000000000000..565aff7f37a9
--- /dev/null
+++ b/arch/arm/mach-omap2/Makefile.boot
@@ -0,0 +1,3 @@
1 zreladdr-y := 0x80008000
2params_phys-y := 0x80000100
3initrd_phys-y := 0x80800000
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
new file mode 100644
index 000000000000..c602e7a3d93e
--- /dev/null
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -0,0 +1,80 @@
1/*
2 * linux/arch/arm/mach-omap/omap2/board-generic.c
3 *
4 * Copyright (C) 2005 Nokia Corporation
5 * Author: Paul Mundt <paul.mundt@nokia.com>
6 *
7 * Modified from mach-omap/omap1/board-generic.c
8 *
9 * Code for generic OMAP2 board. Should work on many OMAP2 systems where
10 * the bootloader passes the board-specific data to the kernel.
11 * Do not put any board specific code to this file; create a new machine
12 * type if you need custom low-level initializations.
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License version 2 as
16 * published by the Free Software Foundation.
17 */
18
19#include <linux/kernel.h>
20#include <linux/init.h>
21#include <linux/device.h>
22
23#include <asm/hardware.h>
24#include <asm/mach-types.h>
25#include <asm/mach/arch.h>
26#include <asm/mach/map.h>
27
28#include <asm/arch/gpio.h>
29#include <asm/arch/mux.h>
30#include <asm/arch/usb.h>
31#include <asm/arch/board.h>
32#include <asm/arch/common.h>
33
34static void __init omap_generic_init_irq(void)
35{
36 omap_init_irq();
37}
38
39static struct omap_uart_config generic_uart_config __initdata = {
40 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
41};
42
43static struct omap_mmc_config generic_mmc_config __initdata = {
44 .mmc [0] = {
45 .enabled = 0,
46 .wire4 = 0,
47 .wp_pin = -1,
48 .power_pin = -1,
49 .switch_pin = -1,
50 },
51};
52
53static struct omap_board_config_kernel generic_config[] = {
54 { OMAP_TAG_UART, &generic_uart_config },
55 { OMAP_TAG_MMC, &generic_mmc_config },
56};
57
58static void __init omap_generic_init(void)
59{
60 omap_board_config = generic_config;
61 omap_board_config_size = ARRAY_SIZE(generic_config);
62 omap_serial_init();
63}
64
65static void __init omap_generic_map_io(void)
66{
67 omap_map_common_io();
68}
69
70MACHINE_START(OMAP_GENERIC, "Generic OMAP24xx")
71 /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
72 .phys_ram = 0x80000000,
73 .phys_io = 0x48000000,
74 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
75 .boot_params = 0x80000100,
76 .map_io = omap_generic_map_io,
77 .init_irq = omap_generic_init_irq,
78 .init_machine = omap_generic_init,
79 .timer = &omap_timer,
80MACHINE_END
diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c
new file mode 100644
index 000000000000..f2554469a76a
--- /dev/null
+++ b/arch/arm/mach-omap2/board-h4.c
@@ -0,0 +1,197 @@
1/*
2 * linux/arch/arm/mach-omap/omap2/board-h4.c
3 *
4 * Copyright (C) 2005 Nokia Corporation
5 * Author: Paul Mundt <paul.mundt@nokia.com>
6 *
7 * Modified from mach-omap/omap1/board-generic.c
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13
14#include <linux/kernel.h>
15#include <linux/init.h>
16#include <linux/platform_device.h>
17#include <linux/mtd/mtd.h>
18#include <linux/mtd/partitions.h>
19#include <linux/delay.h>
20
21#include <asm/hardware.h>
22#include <asm/mach-types.h>
23#include <asm/mach/arch.h>
24#include <asm/mach/map.h>
25#include <asm/mach/flash.h>
26
27#include <asm/arch/gpio.h>
28#include <asm/arch/mux.h>
29#include <asm/arch/usb.h>
30#include <asm/arch/board.h>
31#include <asm/arch/common.h>
32#include <asm/arch/prcm.h>
33
34#include <asm/io.h>
35#include <asm/delay.h>
36
37static struct mtd_partition h4_partitions[] = {
38 /* bootloader (U-Boot, etc) in first sector */
39 {
40 .name = "bootloader",
41 .offset = 0,
42 .size = SZ_128K,
43 .mask_flags = MTD_WRITEABLE, /* force read-only */
44 },
45 /* bootloader params in the next sector */
46 {
47 .name = "params",
48 .offset = MTDPART_OFS_APPEND,
49 .size = SZ_128K,
50 .mask_flags = 0,
51 },
52 /* kernel */
53 {
54 .name = "kernel",
55 .offset = MTDPART_OFS_APPEND,
56 .size = SZ_2M,
57 .mask_flags = 0
58 },
59 /* file system */
60 {
61 .name = "filesystem",
62 .offset = MTDPART_OFS_APPEND,
63 .size = MTDPART_SIZ_FULL,
64 .mask_flags = 0
65 }
66};
67
68static struct flash_platform_data h4_flash_data = {
69 .map_name = "cfi_probe",
70 .width = 2,
71 .parts = h4_partitions,
72 .nr_parts = ARRAY_SIZE(h4_partitions),
73};
74
75static struct resource h4_flash_resource = {
76 .start = H4_CS0_BASE,
77 .end = H4_CS0_BASE + SZ_64M - 1,
78 .flags = IORESOURCE_MEM,
79};
80
81static struct platform_device h4_flash_device = {
82 .name = "omapflash",
83 .id = 0,
84 .dev = {
85 .platform_data = &h4_flash_data,
86 },
87 .num_resources = 1,
88 .resource = &h4_flash_resource,
89};
90
91static struct resource h4_smc91x_resources[] = {
92 [0] = {
93 .start = OMAP24XX_ETHR_START, /* Physical */
94 .end = OMAP24XX_ETHR_START + 0xf,
95 .flags = IORESOURCE_MEM,
96 },
97 [1] = {
98 .start = OMAP_GPIO_IRQ(OMAP24XX_ETHR_GPIO_IRQ),
99 .end = OMAP_GPIO_IRQ(OMAP24XX_ETHR_GPIO_IRQ),
100 .flags = IORESOURCE_IRQ,
101 },
102};
103
104static struct platform_device h4_smc91x_device = {
105 .name = "smc91x",
106 .id = -1,
107 .num_resources = ARRAY_SIZE(h4_smc91x_resources),
108 .resource = h4_smc91x_resources,
109};
110
111static struct platform_device *h4_devices[] __initdata = {
112 &h4_smc91x_device,
113 &h4_flash_device,
114};
115
116static inline void __init h4_init_smc91x(void)
117{
118 /* Make sure CS1 timings are correct */
119 GPMC_CONFIG1_1 = 0x00011200;
120 GPMC_CONFIG2_1 = 0x001f1f01;
121 GPMC_CONFIG3_1 = 0x00080803;
122 GPMC_CONFIG4_1 = 0x1c091c09;
123 GPMC_CONFIG5_1 = 0x041f1f1f;
124 GPMC_CONFIG6_1 = 0x000004c4;
125 GPMC_CONFIG7_1 = 0x00000f40 | (0x08000000 >> 24);
126 udelay(100);
127
128 omap_cfg_reg(M15_24XX_GPIO92);
129 if (omap_request_gpio(OMAP24XX_ETHR_GPIO_IRQ) < 0) {
130 printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
131 OMAP24XX_ETHR_GPIO_IRQ);
132 return;
133 }
134 omap_set_gpio_direction(OMAP24XX_ETHR_GPIO_IRQ, 1);
135}
136
137static void __init omap_h4_init_irq(void)
138{
139 omap_init_irq();
140 omap_gpio_init();
141 h4_init_smc91x();
142}
143
144static struct omap_uart_config h4_uart_config __initdata = {
145 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
146};
147
148static struct omap_mmc_config h4_mmc_config __initdata = {
149 .mmc [0] = {
150 .enabled = 1,
151 .wire4 = 1,
152 .wp_pin = -1,
153 .power_pin = -1,
154 .switch_pin = -1,
155 },
156};
157
158static struct omap_lcd_config h4_lcd_config __initdata = {
159 .panel_name = "h4",
160 .ctrl_name = "internal",
161};
162
163static struct omap_board_config_kernel h4_config[] = {
164 { OMAP_TAG_UART, &h4_uart_config },
165 { OMAP_TAG_MMC, &h4_mmc_config },
166 { OMAP_TAG_LCD, &h4_lcd_config },
167};
168
169static void __init omap_h4_init(void)
170{
171 /*
172 * Make sure the serial ports are muxed on at this point.
173 * You have to mux them off in device drivers later on
174 * if not needed.
175 */
176 platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices));
177 omap_board_config = h4_config;
178 omap_board_config_size = ARRAY_SIZE(h4_config);
179 omap_serial_init();
180}
181
182static void __init omap_h4_map_io(void)
183{
184 omap_map_common_io();
185}
186
187MACHINE_START(OMAP_H4, "OMAP2420 H4 board")
188 /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
189 .phys_ram = 0x80000000,
190 .phys_io = 0x48000000,
191 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
192 .boot_params = 0x80000100,
193 .map_io = omap_h4_map_io,
194 .init_irq = omap_h4_init_irq,
195 .init_machine = omap_h4_init,
196 .timer = &omap_timer,
197MACHINE_END
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
new file mode 100644
index 000000000000..85818d9f2635
--- /dev/null
+++ b/arch/arm/mach-omap2/clock.c
@@ -0,0 +1,1129 @@
1/*
2 * linux/arch/arm/mach-omap2/clock.c
3 *
4 * Copyright (C) 2005 Texas Instruments Inc.
5 * Richard Woodruff <r-woodruff2@ti.com>
6 * Created for OMAP2.
7 *
8 * Cleaned up and modified to use omap shared clock framework by
9 * Tony Lindgren <tony@atomide.com>
10 *
11 * Based on omap1 clock.c, Copyright (C) 2004 - 2005 Nokia corporation
12 * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License version 2 as
16 * published by the Free Software Foundation.
17 */
18#include <linux/config.h>
19#include <linux/module.h>
20#include <linux/kernel.h>
21#include <linux/device.h>
22#include <linux/list.h>
23#include <linux/errno.h>
24#include <linux/delay.h>
25
26#include <asm/io.h>
27
28#include <asm/hardware/clock.h>
29#include <asm/arch/clock.h>
30#include <asm/arch/sram.h>
31#include <asm/arch/prcm.h>
32
33#include "clock.h"
34
35//#define DOWN_VARIABLE_DPLL 1 /* Experimental */
36
37static struct prcm_config *curr_prcm_set;
38static struct memory_timings mem_timings;
39static u32 curr_perf_level = PRCM_FULL_SPEED;
40
41/*-------------------------------------------------------------------------
42 * Omap2 specific clock functions
43 *-------------------------------------------------------------------------*/
44
45/* Recalculate SYST_CLK */
46static void omap2_sys_clk_recalc(struct clk * clk)
47{
48 u32 div = PRCM_CLKSRC_CTRL;
49 div &= (1 << 7) | (1 << 6); /* Test if ext clk divided by 1 or 2 */
50 div >>= clk->rate_offset;
51 clk->rate = (clk->parent->rate / div);
52 propagate_rate(clk);
53}
54
55static u32 omap2_get_dpll_rate(struct clk * tclk)
56{
57 int dpll_clk, dpll_mult, dpll_div, amult;
58
59 dpll_mult = (CM_CLKSEL1_PLL >> 12) & 0x03ff; /* 10 bits */
60 dpll_div = (CM_CLKSEL1_PLL >> 8) & 0x0f; /* 4 bits */
61 dpll_clk = (tclk->parent->rate * dpll_mult) / (dpll_div + 1);
62 amult = CM_CLKSEL2_PLL & 0x3;
63 dpll_clk *= amult;
64
65 return dpll_clk;
66}
67
68static void omap2_followparent_recalc(struct clk *clk)
69{
70 followparent_recalc(clk);
71}
72
73static void omap2_propagate_rate(struct clk * clk)
74{
75 if (!(clk->flags & RATE_FIXED))
76 clk->rate = clk->parent->rate;
77
78 propagate_rate(clk);
79}
80
81/* Enable an APLL if off */
82static void omap2_clk_fixed_enable(struct clk *clk)
83{
84 u32 cval, i=0;
85
86 if (clk->enable_bit == 0xff) /* Parent will do it */
87 return;
88
89 cval = CM_CLKEN_PLL;
90
91 if ((cval & (0x3 << clk->enable_bit)) == (0x3 << clk->enable_bit))
92 return;
93
94 cval &= ~(0x3 << clk->enable_bit);
95 cval |= (0x3 << clk->enable_bit);
96 CM_CLKEN_PLL = cval;
97
98 if (clk == &apll96_ck)
99 cval = (1 << 8);
100 else if (clk == &apll54_ck)
101 cval = (1 << 6);
102
103 while (!CM_IDLEST_CKGEN & cval) { /* Wait for lock */
104 ++i;
105 udelay(1);
106 if (i == 100000)
107 break;
108 }
109}
110
111/* Enables clock without considering parent dependencies or use count
112 * REVISIT: Maybe change this to use clk->enable like on omap1?
113 */
114static int omap2_clk_enable(struct clk * clk)
115{
116 u32 regval32;
117
118 if (clk->flags & ALWAYS_ENABLED)
119 return 0;
120
121 if (unlikely(clk->enable_reg == 0)) {
122 printk(KERN_ERR "clock.c: Enable for %s without enable code\n",
123 clk->name);
124 return 0;
125 }
126
127 if (clk->enable_reg == (void __iomem *)&CM_CLKEN_PLL) {
128 omap2_clk_fixed_enable(clk);
129 return 0;
130 }
131
132 regval32 = __raw_readl(clk->enable_reg);
133 regval32 |= (1 << clk->enable_bit);
134 __raw_writel(regval32, clk->enable_reg);
135
136 return 0;
137}
138
139/* Stop APLL */
140static void omap2_clk_fixed_disable(struct clk *clk)
141{
142 u32 cval;
143
144 if(clk->enable_bit == 0xff) /* let parent off do it */
145 return;
146
147 cval = CM_CLKEN_PLL;
148 cval &= ~(0x3 << clk->enable_bit);
149 CM_CLKEN_PLL = cval;
150}
151
152/* Disables clock without considering parent dependencies or use count */
153static void omap2_clk_disable(struct clk *clk)
154{
155 u32 regval32;
156
157 if (clk->enable_reg == 0)
158 return;
159
160 if (clk->enable_reg == (void __iomem *)&CM_CLKEN_PLL) {
161 omap2_clk_fixed_disable(clk);
162 return;
163 }
164
165 regval32 = __raw_readl(clk->enable_reg);
166 regval32 &= ~(1 << clk->enable_bit);
167 __raw_writel(regval32, clk->enable_reg);
168}
169
170static int omap2_clk_use(struct clk *clk)
171{
172 int ret = 0;
173
174 if (clk->usecount++ == 0) {
175 if (likely((u32)clk->parent))
176 ret = omap2_clk_use(clk->parent);
177
178 if (unlikely(ret != 0)) {
179 clk->usecount--;
180 return ret;
181 }
182
183 ret = omap2_clk_enable(clk);
184
185 if (unlikely(ret != 0) && clk->parent) {
186 omap2_clk_unuse(clk->parent);
187 clk->usecount--;
188 }
189 }
190
191 return ret;
192}
193
194static void omap2_clk_unuse(struct clk *clk)
195{
196 if (clk->usecount > 0 && !(--clk->usecount)) {
197 omap2_clk_disable(clk);
198 if (likely((u32)clk->parent))
199 omap2_clk_unuse(clk->parent);
200 }
201}
202
203/*
204 * Uses the current prcm set to tell if a rate is valid.
205 * You can go slower, but not faster within a given rate set.
206 */
207static u32 omap2_dpll_round_rate(unsigned long target_rate)
208{
209 u32 high, low;
210
211 if ((CM_CLKSEL2_PLL & 0x3) == 1) { /* DPLL clockout */
212 high = curr_prcm_set->dpll_speed * 2;
213 low = curr_prcm_set->dpll_speed;
214 } else { /* DPLL clockout x 2 */
215 high = curr_prcm_set->dpll_speed;
216 low = curr_prcm_set->dpll_speed / 2;
217 }
218
219#ifdef DOWN_VARIABLE_DPLL
220 if (target_rate > high)
221 return high;
222 else
223 return target_rate;
224#else
225 if (target_rate > low)
226 return high;
227 else
228 return low;
229#endif
230
231}
232
233/*
234 * Used for clocks that are part of CLKSEL_xyz governed clocks.
235 * REVISIT: Maybe change to use clk->enable() functions like on omap1?
236 */
237static void omap2_clksel_recalc(struct clk * clk)
238{
239 u32 fixed = 0, div = 0;
240
241 if (clk == &dpll_ck) {
242 clk->rate = omap2_get_dpll_rate(clk);
243 fixed = 1;
244 div = 0;
245 }
246
247 if (clk == &iva1_mpu_int_ifck) {
248 div = 2;
249 fixed = 1;
250 }
251
252 if ((clk == &dss1_fck) && ((CM_CLKSEL1_CORE & (0x1f << 8)) == 0)) {
253 clk->rate = sys_ck.rate;
254 return;
255 }
256
257 if (!fixed) {
258 div = omap2_clksel_get_divisor(clk);
259 if (div == 0)
260 return;
261 }
262
263 if (div != 0) {
264 if (unlikely(clk->rate == clk->parent->rate / div))
265 return;
266 clk->rate = clk->parent->rate / div;
267 }
268
269 if (unlikely(clk->flags & RATE_PROPAGATES))
270 propagate_rate(clk);
271}
272
273/*
274 * Finds best divider value in an array based on the source and target
275 * rates. The divider array must be sorted with smallest divider first.
276 */
277static inline u32 omap2_divider_from_table(u32 size, u32 *div_array,
278 u32 src_rate, u32 tgt_rate)
279{
280 int i, test_rate;
281
282 if (div_array == NULL)
283 return ~1;
284
285 for (i=0; i < size; i++) {
286 test_rate = src_rate / *div_array;
287 if (test_rate <= tgt_rate)
288 return *div_array;
289 ++div_array;
290 }
291
292 return ~0; /* No acceptable divider */
293}
294
295/*
296 * Find divisor for the given clock and target rate.
297 *
298 * Note that this will not work for clocks which are part of CONFIG_PARTICIPANT,
299 * they are only settable as part of virtual_prcm set.
300 */
301static u32 omap2_clksel_round_rate(struct clk *tclk, u32 target_rate,
302 u32 *new_div)
303{
304 u32 gfx_div[] = {2, 3, 4};
305 u32 sysclkout_div[] = {1, 2, 4, 8, 16};
306 u32 dss1_div[] = {1, 2, 3, 4, 5, 6, 8, 9, 12, 16};
307 u32 vylnq_div[] = {1, 2, 3, 4, 6, 8, 9, 12, 16, 18};
308 u32 best_div = ~0, asize = 0;
309 u32 *div_array = NULL;
310
311 switch (tclk->flags & SRC_RATE_SEL_MASK) {
312 case CM_GFX_SEL1:
313 asize = 3;
314 div_array = gfx_div;
315 break;
316 case CM_PLL_SEL1:
317 return omap2_dpll_round_rate(target_rate);
318 case CM_SYSCLKOUT_SEL1:
319 asize = 5;
320 div_array = sysclkout_div;
321 break;
322 case CM_CORE_SEL1:
323 if(tclk == &dss1_fck){
324 if(tclk->parent == &core_ck){
325 asize = 10;
326 div_array = dss1_div;
327 } else {
328 *new_div = 0; /* fixed clk */
329 return(tclk->parent->rate);
330 }
331 } else if((tclk == &vlynq_fck) && cpu_is_omap2420()){
332 if(tclk->parent == &core_ck){
333 asize = 10;
334 div_array = vylnq_div;
335 } else {
336 *new_div = 0; /* fixed clk */
337 return(tclk->parent->rate);
338 }
339 }
340 break;
341 }
342
343 best_div = omap2_divider_from_table(asize, div_array,
344 tclk->parent->rate, target_rate);
345 if (best_div == ~0){
346 *new_div = 1;
347 return best_div; /* signal error */
348 }
349
350 *new_div = best_div;
351 return (tclk->parent->rate / best_div);
352}
353
354/* Given a clock and a rate apply a clock specific rounding function */
355static long omap2_clk_round_rate(struct clk *clk, unsigned long rate)
356{
357 u32 new_div = 0;
358 int valid_rate;
359
360 if (clk->flags & RATE_FIXED)
361 return clk->rate;
362
363 if (clk->flags & RATE_CKCTL) {
364 valid_rate = omap2_clksel_round_rate(clk, rate, &new_div);
365 return valid_rate;
366 }
367
368 if (clk->round_rate != 0)
369 return clk->round_rate(clk, rate);
370
371 return clk->rate;
372}
373
374/*
375 * Check the DLL lock state, and return tue if running in unlock mode.
376 * This is needed to compenste for the shifted DLL value in unlock mode.
377 */
378static u32 omap2_dll_force_needed(void)
379{
380 u32 dll_state = SDRC_DLLA_CTRL; /* dlla and dllb are a set */
381
382 if ((dll_state & (1 << 2)) == (1 << 2))
383 return 1;
384 else
385 return 0;
386}
387
388static void omap2_init_memory_params(u32 force_lock_to_unlock_mode)
389{
390 unsigned long dll_cnt;
391 u32 fast_dll = 0;
392
393 mem_timings.m_type = !((SDRC_MR_0 & 0x3) == 0x1); /* DDR = 1, SDR = 0 */
394
395 /* 2422 es2.05 and beyond has a single SIP DDR instead of 2 like others.
396 * In the case of 2422, its ok to use CS1 instead of CS0.
397 */
398
399#if 0 /* FIXME: Enable after 24xx cpu detection works */
400 ctype = get_cpu_type();
401 if (cpu_is_omap2422())
402 mem_timings.base_cs = 1;
403 else
404#endif
405 mem_timings.base_cs = 0;
406
407 if (mem_timings.m_type != M_DDR)
408 return;
409
410 /* With DDR we need to determine the low frequency DLL value */
411 if (((mem_timings.fast_dll_ctrl & (1 << 2)) == M_LOCK_CTRL))
412 mem_timings.dll_mode = M_UNLOCK;
413 else
414 mem_timings.dll_mode = M_LOCK;
415
416 if (mem_timings.base_cs == 0) {
417 fast_dll = SDRC_DLLA_CTRL;
418 dll_cnt = SDRC_DLLA_STATUS & 0xff00;
419 } else {
420 fast_dll = SDRC_DLLB_CTRL;
421 dll_cnt = SDRC_DLLB_STATUS & 0xff00;
422 }
423 if (force_lock_to_unlock_mode) {
424 fast_dll &= ~0xff00;
425 fast_dll |= dll_cnt; /* Current lock mode */
426 }
427 mem_timings.fast_dll_ctrl = fast_dll;
428
429 /* No disruptions, DDR will be offline & C-ABI not followed */
430 omap2_sram_ddr_init(&mem_timings.slow_dll_ctrl,
431 mem_timings.fast_dll_ctrl,
432 mem_timings.base_cs,
433 force_lock_to_unlock_mode);
434 mem_timings.slow_dll_ctrl &= 0xff00; /* Keep lock value */
435
436 /* Turn status into unlock ctrl */
437 mem_timings.slow_dll_ctrl |=
438 ((mem_timings.fast_dll_ctrl & 0xF) | (1 << 2));
439
440 /* 90 degree phase for anything below 133Mhz */
441 mem_timings.slow_dll_ctrl |= (1 << 1);
442}
443
444static u32 omap2_reprogram_sdrc(u32 level, u32 force)
445{
446 u32 prev = curr_perf_level, flags;
447
448 if ((curr_perf_level == level) && !force)
449 return prev;
450
451 if (level == PRCM_HALF_SPEED) {
452 local_irq_save(flags);
453 PRCM_VOLTSETUP = 0xffff;
454 omap2_sram_reprogram_sdrc(PRCM_HALF_SPEED,
455 mem_timings.slow_dll_ctrl,
456 mem_timings.m_type);
457 curr_perf_level = PRCM_HALF_SPEED;
458 local_irq_restore(flags);
459 }
460 if (level == PRCM_FULL_SPEED) {
461 local_irq_save(flags);
462 PRCM_VOLTSETUP = 0xffff;
463 omap2_sram_reprogram_sdrc(PRCM_FULL_SPEED,
464 mem_timings.fast_dll_ctrl,
465 mem_timings.m_type);
466 curr_perf_level = PRCM_FULL_SPEED;
467 local_irq_restore(flags);
468 }
469
470 return prev;
471}
472
473static int omap2_reprogram_dpll(struct clk * clk, unsigned long rate)
474{
475 u32 flags, cur_rate, low, mult, div, valid_rate, done_rate;
476 u32 bypass = 0;
477 struct prcm_config tmpset;
478 int ret = -EINVAL;
479
480 local_irq_save(flags);
481 cur_rate = omap2_get_dpll_rate(&dpll_ck);
482 mult = CM_CLKSEL2_PLL & 0x3;
483
484 if ((rate == (cur_rate / 2)) && (mult == 2)) {
485 omap2_reprogram_sdrc(PRCM_HALF_SPEED, 1);
486 } else if ((rate == (cur_rate * 2)) && (mult == 1)) {
487 omap2_reprogram_sdrc(PRCM_FULL_SPEED, 1);
488 } else if (rate != cur_rate) {
489 valid_rate = omap2_dpll_round_rate(rate);
490 if (valid_rate != rate)
491 goto dpll_exit;
492
493 if ((CM_CLKSEL2_PLL & 0x3) == 1)
494 low = curr_prcm_set->dpll_speed;
495 else
496 low = curr_prcm_set->dpll_speed / 2;
497
498 tmpset.cm_clksel1_pll = CM_CLKSEL1_PLL;
499 tmpset.cm_clksel1_pll &= ~(0x3FFF << 8);
500 div = ((curr_prcm_set->xtal_speed / 1000000) - 1);
501 tmpset.cm_clksel2_pll = CM_CLKSEL2_PLL;
502 tmpset.cm_clksel2_pll &= ~0x3;
503 if (rate > low) {
504 tmpset.cm_clksel2_pll |= 0x2;
505 mult = ((rate / 2) / 1000000);
506 done_rate = PRCM_FULL_SPEED;
507 } else {
508 tmpset.cm_clksel2_pll |= 0x1;
509 mult = (rate / 1000000);
510 done_rate = PRCM_HALF_SPEED;
511 }
512 tmpset.cm_clksel1_pll |= ((div << 8) | (mult << 12));
513
514 /* Worst case */
515 tmpset.base_sdrc_rfr = V24XX_SDRC_RFR_CTRL_BYPASS;
516
517 if (rate == curr_prcm_set->xtal_speed) /* If asking for 1-1 */
518 bypass = 1;
519
520 omap2_reprogram_sdrc(PRCM_FULL_SPEED, 1); /* For init_mem */
521
522 /* Force dll lock mode */
523 omap2_set_prcm(tmpset.cm_clksel1_pll, tmpset.base_sdrc_rfr,
524 bypass);
525
526 /* Errata: ret dll entry state */
527 omap2_init_memory_params(omap2_dll_force_needed());
528 omap2_reprogram_sdrc(done_rate, 0);
529 }
530 omap2_clksel_recalc(&dpll_ck);
531 ret = 0;
532
533dpll_exit:
534 local_irq_restore(flags);
535 return(ret);
536}
537
538/* Just return the MPU speed */
539static void omap2_mpu_recalc(struct clk * clk)
540{
541 clk->rate = curr_prcm_set->mpu_speed;
542}
543
544/*
545 * Look for a rate equal or less than the target rate given a configuration set.
546 *
547 * What's not entirely clear is "which" field represents the key field.
548 * Some might argue L3-DDR, others ARM, others IVA. This code is simple and
549 * just uses the ARM rates.
550 */
551static long omap2_round_to_table_rate(struct clk * clk, unsigned long rate)
552{
553 struct prcm_config * ptr;
554 long highest_rate;
555
556 if (clk != &virt_prcm_set)
557 return -EINVAL;
558
559 highest_rate = -EINVAL;
560
561 for (ptr = rate_table; ptr->mpu_speed; ptr++) {
562 if (ptr->xtal_speed != sys_ck.rate)
563 continue;
564
565 highest_rate = ptr->mpu_speed;
566
567 /* Can check only after xtal frequency check */
568 if (ptr->mpu_speed <= rate)
569 break;
570 }
571 return highest_rate;
572}
573
574/*
575 * omap2_convert_field_to_div() - turn field value into integer divider
576 */
577static u32 omap2_clksel_to_divisor(u32 div_sel, u32 field_val)
578{
579 u32 i;
580 u32 clkout_array[] = {1, 2, 4, 8, 16};
581
582 if ((div_sel & SRC_RATE_SEL_MASK) == CM_SYSCLKOUT_SEL1) {
583 for (i = 0; i < 5; i++) {
584 if (field_val == i)
585 return clkout_array[i];
586 }
587 return ~0;
588 } else
589 return field_val;
590}
591
592/*
593 * Returns the CLKSEL divider register value
594 * REVISIT: This should be cleaned up to work nicely with void __iomem *
595 */
596static u32 omap2_get_clksel(u32 *div_sel, u32 *field_mask,
597 struct clk *clk)
598{
599 int ret = ~0;
600 u32 reg_val, div_off;
601 u32 div_addr = 0;
602 u32 mask = ~0;
603
604 div_off = clk->rate_offset;
605
606 switch ((*div_sel & SRC_RATE_SEL_MASK)) {
607 case CM_MPU_SEL1:
608 div_addr = (u32)&CM_CLKSEL_MPU;
609 mask = 0x1f;
610 break;
611 case CM_DSP_SEL1:
612 div_addr = (u32)&CM_CLKSEL_DSP;
613 if (cpu_is_omap2420()) {
614 if ((div_off == 0) || (div_off == 8))
615 mask = 0x1f;
616 else if (div_off == 5)
617 mask = 0x3;
618 } else if (cpu_is_omap2430()) {
619 if (div_off == 0)
620 mask = 0x1f;
621 else if (div_off == 5)
622 mask = 0x3;
623 }
624 break;
625 case CM_GFX_SEL1:
626 div_addr = (u32)&CM_CLKSEL_GFX;
627 if (div_off == 0)
628 mask = 0x7;
629 break;
630 case CM_MODEM_SEL1:
631 div_addr = (u32)&CM_CLKSEL_MDM;
632 if (div_off == 0)
633 mask = 0xf;
634 break;
635 case CM_SYSCLKOUT_SEL1:
636 div_addr = (u32)&PRCM_CLKOUT_CTRL;
637 if ((div_off == 3) || (div_off = 11))
638 mask= 0x3;
639 break;
640 case CM_CORE_SEL1:
641 div_addr = (u32)&CM_CLKSEL1_CORE;
642 switch (div_off) {
643 case 0: /* l3 */
644 case 8: /* dss1 */
645 case 15: /* vylnc-2420 */
646 case 20: /* ssi */
647 mask = 0x1f; break;
648 case 5: /* l4 */
649 mask = 0x3; break;
650 case 13: /* dss2 */
651 mask = 0x1; break;
652 case 25: /* usb */
653 mask = 0xf; break;
654 }
655 }
656
657 *field_mask = mask;
658
659 if (unlikely(mask == ~0))
660 div_addr = 0;
661
662 *div_sel = div_addr;
663
664 if (unlikely(div_addr == 0))
665 return ret;
666
667 /* Isolate field */
668 reg_val = __raw_readl((void __iomem *)div_addr) & (mask << div_off);
669
670 /* Normalize back to divider value */
671 reg_val >>= div_off;
672
673 return reg_val;
674}
675
676/*
677 * Return divider to be applied to parent clock.
678 * Return 0 on error.
679 */
680static u32 omap2_clksel_get_divisor(struct clk *clk)
681{
682 int ret = 0;
683 u32 div, div_sel, div_off, field_mask, field_val;
684
685 /* isolate control register */
686 div_sel = (SRC_RATE_SEL_MASK & clk->flags);
687
688 div_off = clk->rate_offset;
689 field_val = omap2_get_clksel(&div_sel, &field_mask, clk);
690 if (div_sel == 0)
691 return ret;
692
693 div_sel = (SRC_RATE_SEL_MASK & clk->flags);
694 div = omap2_clksel_to_divisor(div_sel, field_val);
695
696 return div;
697}
698
699/* Set the clock rate for a clock source */
700static int omap2_clk_set_rate(struct clk *clk, unsigned long rate)
701
702{
703 int ret = -EINVAL;
704 void __iomem * reg;
705 u32 div_sel, div_off, field_mask, field_val, reg_val, validrate;
706 u32 new_div = 0;
707
708 if (!(clk->flags & CONFIG_PARTICIPANT) && (clk->flags & RATE_CKCTL)) {
709 if (clk == &dpll_ck)
710 return omap2_reprogram_dpll(clk, rate);
711
712 /* Isolate control register */
713 div_sel = (SRC_RATE_SEL_MASK & clk->flags);
714 div_off = clk->src_offset;
715
716 validrate = omap2_clksel_round_rate(clk, rate, &new_div);
717 if(validrate != rate)
718 return(ret);
719
720 field_val = omap2_get_clksel(&div_sel, &field_mask, clk);
721 if (div_sel == 0)
722 return ret;
723
724 if(clk->flags & CM_SYSCLKOUT_SEL1){
725 switch(new_div){
726 case 16: field_val = 4; break;
727 case 8: field_val = 3; break;
728 case 4: field_val = 2; break;
729 case 2: field_val = 1; break;
730 case 1: field_val = 0; break;
731 }
732 }
733 else
734 field_val = new_div;
735
736 reg = (void __iomem *)div_sel;
737
738 reg_val = __raw_readl(reg);
739 reg_val &= ~(field_mask << div_off);
740 reg_val |= (field_val << div_off);
741
742 __raw_writel(reg_val, reg);
743 clk->rate = clk->parent->rate / field_val;
744
745 if (clk->flags & DELAYED_APP)
746 __raw_writel(0x1, (void __iomem *)&PRCM_CLKCFG_CTRL);
747 ret = 0;
748 } else if (clk->set_rate != 0)
749 ret = clk->set_rate(clk, rate);
750
751 if (unlikely(ret == 0 && (clk->flags & RATE_PROPAGATES)))
752 propagate_rate(clk);
753
754 return ret;
755}
756
757/* Converts encoded control register address into a full address */
758static u32 omap2_get_src_field(u32 *type_to_addr, u32 reg_offset,
759 struct clk *src_clk, u32 *field_mask)
760{
761 u32 val = ~0, src_reg_addr = 0, mask = 0;
762
763 /* Find target control register.*/
764 switch ((*type_to_addr & SRC_RATE_SEL_MASK)) {
765 case CM_CORE_SEL1:
766 src_reg_addr = (u32)&CM_CLKSEL1_CORE;
767 if (reg_offset == 13) { /* DSS2_fclk */
768 mask = 0x1;
769 if (src_clk == &sys_ck)
770 val = 0;
771 if (src_clk == &func_48m_ck)
772 val = 1;
773 } else if (reg_offset == 8) { /* DSS1_fclk */
774 mask = 0x1f;
775 if (src_clk == &sys_ck)
776 val = 0;
777 else if (src_clk == &core_ck) /* divided clock */
778 val = 0x10; /* rate needs fixing */
779 } else if ((reg_offset == 15) && cpu_is_omap2420()){ /*vlnyq*/
780 mask = 0x1F;
781 if(src_clk == &func_96m_ck)
782 val = 0;
783 else if (src_clk == &core_ck)
784 val = 0x10;
785 }
786 break;
787 case CM_CORE_SEL2:
788 src_reg_addr = (u32)&CM_CLKSEL2_CORE;
789 mask = 0x3;
790 if (src_clk == &func_32k_ck)
791 val = 0x0;
792 if (src_clk == &sys_ck)
793 val = 0x1;
794 if (src_clk == &alt_ck)
795 val = 0x2;
796 break;
797 case CM_WKUP_SEL1:
798 src_reg_addr = (u32)&CM_CLKSEL2_CORE;
799 mask = 0x3;
800 if (src_clk == &func_32k_ck)
801 val = 0x0;
802 if (src_clk == &sys_ck)
803 val = 0x1;
804 if (src_clk == &alt_ck)
805 val = 0x2;
806 break;
807 case CM_PLL_SEL1:
808 src_reg_addr = (u32)&CM_CLKSEL1_PLL;
809 mask = 0x1;
810 if (reg_offset == 0x3) {
811 if (src_clk == &apll96_ck)
812 val = 0;
813 if (src_clk == &alt_ck)
814 val = 1;
815 }
816 else if (reg_offset == 0x5) {
817 if (src_clk == &apll54_ck)
818 val = 0;
819 if (src_clk == &alt_ck)
820 val = 1;
821 }
822 break;
823 case CM_PLL_SEL2:
824 src_reg_addr = (u32)&CM_CLKSEL2_PLL;
825 mask = 0x3;
826 if (src_clk == &func_32k_ck)
827 val = 0x0;
828 if (src_clk == &dpll_ck)
829 val = 0x2;
830 break;
831 case CM_SYSCLKOUT_SEL1:
832 src_reg_addr = (u32)&PRCM_CLKOUT_CTRL;
833 mask = 0x3;
834 if (src_clk == &dpll_ck)
835 val = 0;
836 if (src_clk == &sys_ck)
837 val = 1;
838 if (src_clk == &func_54m_ck)
839 val = 2;
840 if (src_clk == &func_96m_ck)
841 val = 3;
842 break;
843 }
844
845 if (val == ~0) /* Catch errors in offset */
846 *type_to_addr = 0;
847 else
848 *type_to_addr = src_reg_addr;
849 *field_mask = mask;
850
851 return val;
852}
853
854static int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent)
855{
856 void __iomem * reg;
857 u32 src_sel, src_off, field_val, field_mask, reg_val, rate;
858 int ret = -EINVAL;
859
860 if (unlikely(clk->flags & CONFIG_PARTICIPANT))
861 return ret;
862
863 if (clk->flags & SRC_SEL_MASK) { /* On-chip SEL collection */
864 src_sel = (SRC_RATE_SEL_MASK & clk->flags);
865 src_off = clk->src_offset;
866
867 if (src_sel == 0)
868 goto set_parent_error;
869
870 field_val = omap2_get_src_field(&src_sel, src_off, new_parent,
871 &field_mask);
872
873 reg = (void __iomem *)src_sel;
874
875 if (clk->usecount > 0)
876 omap2_clk_disable(clk);
877
878 /* Set new source value (previous dividers if any in effect) */
879 reg_val = __raw_readl(reg) & ~(field_mask << src_off);
880 reg_val |= (field_val << src_off);
881 __raw_writel(reg_val, reg);
882
883 if (clk->flags & DELAYED_APP)
884 __raw_writel(0x1, (void __iomem *)&PRCM_CLKCFG_CTRL);
885
886 if (clk->usecount > 0)
887 omap2_clk_enable(clk);
888
889 clk->parent = new_parent;
890
891 /* SRC_RATE_SEL_MASK clocks follow their parents rates.*/
892 if ((new_parent == &core_ck) && (clk == &dss1_fck))
893 clk->rate = new_parent->rate / 0x10;
894 else
895 clk->rate = new_parent->rate;
896
897 if (unlikely(clk->flags & RATE_PROPAGATES))
898 propagate_rate(clk);
899
900 return 0;
901 } else {
902 clk->parent = new_parent;
903 rate = new_parent->rate;
904 omap2_clk_set_rate(clk, rate);
905 ret = 0;
906 }
907
908 set_parent_error:
909 return ret;
910}
911
912/* Sets basic clocks based on the specified rate */
913static int omap2_select_table_rate(struct clk * clk, unsigned long rate)
914{
915 u32 flags, cur_rate, done_rate, bypass = 0;
916 u8 cpu_mask = 0;
917 struct prcm_config *prcm;
918 unsigned long found_speed = 0;
919
920 if (clk != &virt_prcm_set)
921 return -EINVAL;
922
923 /* FIXME: Change cpu_is_omap2420() to cpu_is_omap242x() */
924 if (cpu_is_omap2420())
925 cpu_mask = RATE_IN_242X;
926 else if (cpu_is_omap2430())
927 cpu_mask = RATE_IN_243X;
928
929 for (prcm = rate_table; prcm->mpu_speed; prcm++) {
930 if (!(prcm->flags & cpu_mask))
931 continue;
932
933 if (prcm->xtal_speed != sys_ck.rate)
934 continue;
935
936 if (prcm->mpu_speed <= rate) {
937 found_speed = prcm->mpu_speed;
938 break;
939 }
940 }
941
942 if (!found_speed) {
943 printk(KERN_INFO "Could not set MPU rate to %luMHz\n",
944 rate / 1000000);
945 return -EINVAL;
946 }
947
948 curr_prcm_set = prcm;
949 cur_rate = omap2_get_dpll_rate(&dpll_ck);
950
951 if (prcm->dpll_speed == cur_rate / 2) {
952 omap2_reprogram_sdrc(PRCM_HALF_SPEED, 1);
953 } else if (prcm->dpll_speed == cur_rate * 2) {
954 omap2_reprogram_sdrc(PRCM_FULL_SPEED, 1);
955 } else if (prcm->dpll_speed != cur_rate) {
956 local_irq_save(flags);
957
958 if (prcm->dpll_speed == prcm->xtal_speed)
959 bypass = 1;
960
961 if ((prcm->cm_clksel2_pll & 0x3) == 2)
962 done_rate = PRCM_FULL_SPEED;
963 else
964 done_rate = PRCM_HALF_SPEED;
965
966 /* MPU divider */
967 CM_CLKSEL_MPU = prcm->cm_clksel_mpu;
968
969 /* dsp + iva1 div(2420), iva2.1(2430) */
970 CM_CLKSEL_DSP = prcm->cm_clksel_dsp;
971
972 CM_CLKSEL_GFX = prcm->cm_clksel_gfx;
973
974 /* Major subsystem dividers */
975 CM_CLKSEL1_CORE = prcm->cm_clksel1_core;
976 if (cpu_is_omap2430())
977 CM_CLKSEL_MDM = prcm->cm_clksel_mdm;
978
979 /* x2 to enter init_mem */
980 omap2_reprogram_sdrc(PRCM_FULL_SPEED, 1);
981
982 omap2_set_prcm(prcm->cm_clksel1_pll, prcm->base_sdrc_rfr,
983 bypass);
984
985 omap2_init_memory_params(omap2_dll_force_needed());
986 omap2_reprogram_sdrc(done_rate, 0);
987
988 local_irq_restore(flags);
989 }
990 omap2_clksel_recalc(&dpll_ck);
991
992 return 0;
993}
994
995/*-------------------------------------------------------------------------
996 * Omap2 clock reset and init functions
997 *-------------------------------------------------------------------------*/
998
999static struct clk_functions omap2_clk_functions = {
1000 .clk_enable = omap2_clk_enable,
1001 .clk_disable = omap2_clk_disable,
1002 .clk_use = omap2_clk_use,
1003 .clk_unuse = omap2_clk_unuse,
1004 .clk_round_rate = omap2_clk_round_rate,
1005 .clk_set_rate = omap2_clk_set_rate,
1006 .clk_set_parent = omap2_clk_set_parent,
1007};
1008
1009static void __init omap2_get_crystal_rate(struct clk *osc, struct clk *sys)
1010{
1011 u32 div, aplls, sclk = 13000000;
1012
1013 aplls = CM_CLKSEL1_PLL;
1014 aplls &= ((1 << 23) | (1 << 24) | (1 << 25));
1015 aplls >>= 23; /* Isolate field, 0,2,3 */
1016
1017 if (aplls == 0)
1018 sclk = 19200000;
1019 else if (aplls == 2)
1020 sclk = 13000000;
1021 else if (aplls == 3)
1022 sclk = 12000000;
1023
1024 div = PRCM_CLKSRC_CTRL;
1025 div &= ((1 << 7) | (1 << 6));
1026 div >>= sys->rate_offset;
1027
1028 osc->rate = sclk * div;
1029 sys->rate = sclk;
1030}
1031
1032#ifdef CONFIG_OMAP_RESET_CLOCKS
1033static void __init omap2_disable_unused_clocks(void)
1034{
1035 struct clk *ck;
1036 u32 regval32;
1037
1038 list_for_each_entry(ck, &clocks, node) {
1039 if (ck->usecount > 0 || (ck->flags & ALWAYS_ENABLED) ||
1040 ck->enable_reg == 0)
1041 continue;
1042
1043 regval32 = __raw_readl(ck->enable_reg);
1044 if ((regval32 & (1 << ck->enable_bit)) == 0)
1045 continue;
1046
1047 printk(KERN_INFO "Disabling unused clock \"%s\"\n", ck->name);
1048 omap2_clk_disable(ck);
1049 }
1050}
1051late_initcall(omap2_disable_unused_clocks);
1052#endif
1053
1054/*
1055 * Switch the MPU rate if specified on cmdline.
1056 * We cannot do this early until cmdline is parsed.
1057 */
1058static int __init omap2_clk_arch_init(void)
1059{
1060 if (!mpurate)
1061 return -EINVAL;
1062
1063 if (omap2_select_table_rate(&virt_prcm_set, mpurate))
1064 printk(KERN_ERR "Could not find matching MPU rate\n");
1065
1066 propagate_rate(&osc_ck); /* update main root fast */
1067 propagate_rate(&func_32k_ck); /* update main root slow */
1068
1069 printk(KERN_INFO "Switched to new clocking rate (Crystal/DPLL/MPU): "
1070 "%ld.%01ld/%ld/%ld MHz\n",
1071 (sys_ck.rate / 1000000), (sys_ck.rate / 100000) % 10,
1072 (dpll_ck.rate / 1000000), (mpu_ck.rate / 1000000)) ;
1073
1074 return 0;
1075}
1076arch_initcall(omap2_clk_arch_init);
1077
1078int __init omap2_clk_init(void)
1079{
1080 struct prcm_config *prcm;
1081 struct clk ** clkp;
1082 u32 clkrate;
1083
1084 clk_init(&omap2_clk_functions);
1085 omap2_get_crystal_rate(&osc_ck, &sys_ck);
1086
1087 for (clkp = onchip_clks; clkp < onchip_clks + ARRAY_SIZE(onchip_clks);
1088 clkp++) {
1089
1090 if ((*clkp)->flags & CLOCK_IN_OMAP242X && cpu_is_omap2420()) {
1091 clk_register(*clkp);
1092 continue;
1093 }
1094
1095 if ((*clkp)->flags & CLOCK_IN_OMAP243X && cpu_is_omap2430()) {
1096 clk_register(*clkp);
1097 continue;
1098 }
1099 }
1100
1101 /* Check the MPU rate set by bootloader */
1102 clkrate = omap2_get_dpll_rate(&dpll_ck);
1103 for (prcm = rate_table; prcm->mpu_speed; prcm++) {
1104 if (prcm->xtal_speed != sys_ck.rate)
1105 continue;
1106 if (prcm->dpll_speed <= clkrate)
1107 break;
1108 }
1109 curr_prcm_set = prcm;
1110
1111 propagate_rate(&osc_ck); /* update main root fast */
1112 propagate_rate(&func_32k_ck); /* update main root slow */
1113
1114 printk(KERN_INFO "Clocking rate (Crystal/DPLL/MPU): "
1115 "%ld.%01ld/%ld/%ld MHz\n",
1116 (sys_ck.rate / 1000000), (sys_ck.rate / 100000) % 10,
1117 (dpll_ck.rate / 1000000), (mpu_ck.rate / 1000000)) ;
1118
1119 /*
1120 * Only enable those clocks we will need, let the drivers
1121 * enable other clocks as necessary
1122 */
1123 clk_use(&sync_32k_ick);
1124 clk_use(&omapctrl_ick);
1125 if (cpu_is_omap2430())
1126 clk_use(&sdrc_ick);
1127
1128 return 0;
1129}
diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h
new file mode 100644
index 000000000000..4aeab5591bd3
--- /dev/null
+++ b/arch/arm/mach-omap2/clock.h
@@ -0,0 +1,2103 @@
1/*
2 * linux/arch/arm/mach-omap24xx/clock.h
3 *
4 * Copyright (C) 2005 Texas Instruments Inc.
5 * Richard Woodruff <r-woodruff2@ti.com>
6 * Created for OMAP2.
7 *
8 * Copyright (C) 2004 Nokia corporation
9 * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
10 * Based on clocks.h by Tony Lindgren, Gordon McNutt and RidgeRun, Inc
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
15 */
16
17#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK_H
18#define __ARCH_ARM_MACH_OMAP2_CLOCK_H
19
20static void omap2_sys_clk_recalc(struct clk * clk);
21static void omap2_clksel_recalc(struct clk * clk);
22static void omap2_followparent_recalc(struct clk * clk);
23static void omap2_propagate_rate(struct clk * clk);
24static void omap2_mpu_recalc(struct clk * clk);
25static int omap2_select_table_rate(struct clk * clk, unsigned long rate);
26static long omap2_round_to_table_rate(struct clk * clk, unsigned long rate);
27static void omap2_clk_unuse(struct clk *clk);
28static void omap2_sys_clk_recalc(struct clk * clk);
29static u32 omap2_clksel_to_divisor(u32 div_sel, u32 field_val);
30static u32 omap2_clksel_get_divisor(struct clk *clk);
31
32
33#define RATE_IN_242X (1 << 0)
34#define RATE_IN_243X (1 << 1)
35
36/* Memory timings */
37#define M_DDR 1
38#define M_LOCK_CTRL (1 << 2)
39#define M_UNLOCK 0
40#define M_LOCK 1
41
42struct memory_timings {
43 u32 m_type; /* ddr = 1, sdr = 0 */
44 u32 dll_mode; /* use lock mode = 1, unlock mode = 0 */
45 u32 slow_dll_ctrl; /* unlock mode, dll value for slow speed */
46 u32 fast_dll_ctrl; /* unlock mode, dll value for fast speed */
47 u32 base_cs; /* base chip select to use for calculations */
48};
49
50/* Key dividers which make up a PRCM set. Ratio's for a PRCM are mandated.
51 * xtal_speed, dpll_speed, mpu_speed, CM_CLKSEL_MPU,CM_CLKSEL_DSP
52 * CM_CLKSEL_GFX, CM_CLKSEL1_CORE, CM_CLKSEL1_PLL CM_CLKSEL2_PLL, CM_CLKSEL_MDM
53 */
54struct prcm_config {
55 unsigned long xtal_speed; /* crystal rate */
56 unsigned long dpll_speed; /* dpll: out*xtal*M/(N-1)table_recalc */
57 unsigned long mpu_speed; /* speed of MPU */
58 unsigned long cm_clksel_mpu; /* mpu divider */
59 unsigned long cm_clksel_dsp; /* dsp+iva1 div(2420), iva2.1(2430) */
60 unsigned long cm_clksel_gfx; /* gfx dividers */
61 unsigned long cm_clksel1_core; /* major subsystem dividers */
62 unsigned long cm_clksel1_pll; /* m,n */
63 unsigned long cm_clksel2_pll; /* dpllx1 or x2 out */
64 unsigned long cm_clksel_mdm; /* modem dividers 2430 only */
65 unsigned long base_sdrc_rfr; /* base refresh timing for a set */
66 unsigned char flags;
67};
68
69/* Mask for clksel which support parent settign in set_rate */
70#define SRC_SEL_MASK (CM_CORE_SEL1 | CM_CORE_SEL2 | CM_WKUP_SEL1 | \
71 CM_PLL_SEL1 | CM_PLL_SEL2 | CM_SYSCLKOUT_SEL1)
72
73/* Mask for clksel regs which support rate operations */
74#define SRC_RATE_SEL_MASK (CM_MPU_SEL1 | CM_DSP_SEL1 | CM_GFX_SEL1 | \
75 CM_MODEM_SEL1 | CM_CORE_SEL1 | CM_CORE_SEL2 | \
76 CM_WKUP_SEL1 | CM_PLL_SEL1 | CM_PLL_SEL2 | \
77 CM_SYSCLKOUT_SEL1)
78
79/*
80 * The OMAP2 processor can be run at several discrete 'PRCM configurations'.
81 * These configurations are characterized by voltage and speed for clocks.
82 * The device is only validated for certain combinations. One way to express
83 * these combinations is via the 'ratio's' which the clocks operate with
84 * respect to each other. These ratio sets are for a given voltage/DPLL
85 * setting. All configurations can be described by a DPLL setting and a ratio
86 * There are 3 ratio sets for the 2430 and X ratio sets for 2420.
87 *
88 * 2430 differs from 2420 in that there are no more phase synchronizers used.
89 * They both have a slightly different clock domain setup. 2420(iva1,dsp) vs
90 * 2430 (iva2.1, NOdsp, mdm)
91 */
92
93/* Core fields for cm_clksel, not ratio governed */
94#define RX_CLKSEL_DSS1 (0x10 << 8)
95#define RX_CLKSEL_DSS2 (0x0 << 13)
96#define RX_CLKSEL_SSI (0x5 << 20)
97
98/*-------------------------------------------------------------------------
99 * Voltage/DPLL ratios
100 *-------------------------------------------------------------------------*/
101
102/* 2430 Ratio's, 2430-Ratio Config 1 */
103#define R1_CLKSEL_L3 (4 << 0)
104#define R1_CLKSEL_L4 (2 << 5)
105#define R1_CLKSEL_USB (4 << 25)
106#define R1_CM_CLKSEL1_CORE_VAL R1_CLKSEL_USB | RX_CLKSEL_SSI | \
107 RX_CLKSEL_DSS2 | RX_CLKSEL_DSS1 | \
108 R1_CLKSEL_L4 | R1_CLKSEL_L3
109#define R1_CLKSEL_MPU (2 << 0)
110#define R1_CM_CLKSEL_MPU_VAL R1_CLKSEL_MPU
111#define R1_CLKSEL_DSP (2 << 0)
112#define R1_CLKSEL_DSP_IF (2 << 5)
113#define R1_CM_CLKSEL_DSP_VAL R1_CLKSEL_DSP | R1_CLKSEL_DSP_IF
114#define R1_CLKSEL_GFX (2 << 0)
115#define R1_CM_CLKSEL_GFX_VAL R1_CLKSEL_GFX
116#define R1_CLKSEL_MDM (4 << 0)
117#define R1_CM_CLKSEL_MDM_VAL R1_CLKSEL_MDM
118
119/* 2430-Ratio Config 2 */
120#define R2_CLKSEL_L3 (6 << 0)
121#define R2_CLKSEL_L4 (2 << 5)
122#define R2_CLKSEL_USB (2 << 25)
123#define R2_CM_CLKSEL1_CORE_VAL R2_CLKSEL_USB | RX_CLKSEL_SSI | \
124 RX_CLKSEL_DSS2 | RX_CLKSEL_DSS1 | \
125 R2_CLKSEL_L4 | R2_CLKSEL_L3
126#define R2_CLKSEL_MPU (2 << 0)
127#define R2_CM_CLKSEL_MPU_VAL R2_CLKSEL_MPU
128#define R2_CLKSEL_DSP (2 << 0)
129#define R2_CLKSEL_DSP_IF (3 << 5)
130#define R2_CM_CLKSEL_DSP_VAL R2_CLKSEL_DSP | R2_CLKSEL_DSP_IF
131#define R2_CLKSEL_GFX (2 << 0)
132#define R2_CM_CLKSEL_GFX_VAL R2_CLKSEL_GFX
133#define R2_CLKSEL_MDM (6 << 0)
134#define R2_CM_CLKSEL_MDM_VAL R2_CLKSEL_MDM
135
136/* 2430-Ratio Bootm (BYPASS) */
137#define RB_CLKSEL_L3 (1 << 0)
138#define RB_CLKSEL_L4 (1 << 5)
139#define RB_CLKSEL_USB (1 << 25)
140#define RB_CM_CLKSEL1_CORE_VAL RB_CLKSEL_USB | RX_CLKSEL_SSI | \
141 RX_CLKSEL_DSS2 | RX_CLKSEL_DSS1 | \
142 RB_CLKSEL_L4 | RB_CLKSEL_L3
143#define RB_CLKSEL_MPU (1 << 0)
144#define RB_CM_CLKSEL_MPU_VAL RB_CLKSEL_MPU
145#define RB_CLKSEL_DSP (1 << 0)
146#define RB_CLKSEL_DSP_IF (1 << 5)
147#define RB_CM_CLKSEL_DSP_VAL RB_CLKSEL_DSP | RB_CLKSEL_DSP_IF
148#define RB_CLKSEL_GFX (1 << 0)
149#define RB_CM_CLKSEL_GFX_VAL RB_CLKSEL_GFX
150#define RB_CLKSEL_MDM (1 << 0)
151#define RB_CM_CLKSEL_MDM_VAL RB_CLKSEL_MDM
152
153/* 2420 Ratio Equivalents */
154#define RXX_CLKSEL_VLYNQ (0x12 << 15)
155#define RXX_CLKSEL_SSI (0x8 << 20)
156
157/* 2420-PRCM III 532MHz core */
158#define RIII_CLKSEL_L3 (4 << 0) /* 133MHz */
159#define RIII_CLKSEL_L4 (2 << 5) /* 66.5MHz */
160#define RIII_CLKSEL_USB (4 << 25) /* 33.25MHz */
161#define RIII_CM_CLKSEL1_CORE_VAL RIII_CLKSEL_USB | RXX_CLKSEL_SSI | \
162 RXX_CLKSEL_VLYNQ | RX_CLKSEL_DSS2 | \
163 RX_CLKSEL_DSS1 | RIII_CLKSEL_L4 | \
164 RIII_CLKSEL_L3
165#define RIII_CLKSEL_MPU (2 << 0) /* 266MHz */
166#define RIII_CM_CLKSEL_MPU_VAL RIII_CLKSEL_MPU
167#define RIII_CLKSEL_DSP (3 << 0) /* c5x - 177.3MHz */
168#define RIII_CLKSEL_DSP_IF (2 << 5) /* c5x - 88.67MHz */
169#define RIII_SYNC_DSP (1 << 7) /* Enable sync */
170#define RIII_CLKSEL_IVA (6 << 8) /* iva1 - 88.67MHz */
171#define RIII_SYNC_IVA (1 << 13) /* Enable sync */
172#define RIII_CM_CLKSEL_DSP_VAL RIII_SYNC_IVA | RIII_CLKSEL_IVA | \
173 RIII_SYNC_DSP | RIII_CLKSEL_DSP_IF | \
174 RIII_CLKSEL_DSP
175#define RIII_CLKSEL_GFX (2 << 0) /* 66.5MHz */
176#define RIII_CM_CLKSEL_GFX_VAL RIII_CLKSEL_GFX
177
178/* 2420-PRCM II 600MHz core */
179#define RII_CLKSEL_L3 (6 << 0) /* 100MHz */
180#define RII_CLKSEL_L4 (2 << 5) /* 50MHz */
181#define RII_CLKSEL_USB (2 << 25) /* 50MHz */
182#define RII_CM_CLKSEL1_CORE_VAL RII_CLKSEL_USB | \
183 RXX_CLKSEL_SSI | RXX_CLKSEL_VLYNQ | \
184 RX_CLKSEL_DSS2 | RX_CLKSEL_DSS1 | \
185 RII_CLKSEL_L4 | RII_CLKSEL_L3
186#define RII_CLKSEL_MPU (2 << 0) /* 300MHz */
187#define RII_CM_CLKSEL_MPU_VAL RII_CLKSEL_MPU
188#define RII_CLKSEL_DSP (3 << 0) /* c5x - 200MHz */
189#define RII_CLKSEL_DSP_IF (2 << 5) /* c5x - 100MHz */
190#define RII_SYNC_DSP (0 << 7) /* Bypass sync */
191#define RII_CLKSEL_IVA (6 << 8) /* iva1 - 200MHz */
192#define RII_SYNC_IVA (0 << 13) /* Bypass sync */
193#define RII_CM_CLKSEL_DSP_VAL RII_SYNC_IVA | RII_CLKSEL_IVA | \
194 RII_SYNC_DSP | RII_CLKSEL_DSP_IF | \
195 RII_CLKSEL_DSP
196#define RII_CLKSEL_GFX (2 << 0) /* 50MHz */
197#define RII_CM_CLKSEL_GFX_VAL RII_CLKSEL_GFX
198
199/* 2420-PRCM VII (boot) */
200#define RVII_CLKSEL_L3 (1 << 0)
201#define RVII_CLKSEL_L4 (1 << 5)
202#define RVII_CLKSEL_DSS1 (1 << 8)
203#define RVII_CLKSEL_DSS2 (0 << 13)
204#define RVII_CLKSEL_VLYNQ (1 << 15)
205#define RVII_CLKSEL_SSI (1 << 20)
206#define RVII_CLKSEL_USB (1 << 25)
207
208#define RVII_CM_CLKSEL1_CORE_VAL RVII_CLKSEL_USB | RVII_CLKSEL_SSI | \
209 RVII_CLKSEL_VLYNQ | RVII_CLKSEL_DSS2 | \
210 RVII_CLKSEL_DSS1 | RVII_CLKSEL_L4 | RVII_CLKSEL_L3
211
212#define RVII_CLKSEL_MPU (1 << 0) /* all divide by 1 */
213#define RVII_CM_CLKSEL_MPU_VAL RVII_CLKSEL_MPU
214
215#define RVII_CLKSEL_DSP (1 << 0)
216#define RVII_CLKSEL_DSP_IF (1 << 5)
217#define RVII_SYNC_DSP (0 << 7)
218#define RVII_CLKSEL_IVA (1 << 8)
219#define RVII_SYNC_IVA (0 << 13)
220#define RVII_CM_CLKSEL_DSP_VAL RVII_SYNC_IVA | RVII_CLKSEL_IVA | RVII_SYNC_DSP | \
221 RVII_CLKSEL_DSP_IF | RVII_CLKSEL_DSP
222
223#define RVII_CLKSEL_GFX (1 << 0)
224#define RVII_CM_CLKSEL_GFX_VAL RVII_CLKSEL_GFX
225
226/*-------------------------------------------------------------------------
227 * 2430 Target modes: Along with each configuration the CPU has several
228 * modes which goes along with them. Modes mainly are the addition of
229 * describe DPLL combinations to go along with a ratio.
230 *-------------------------------------------------------------------------*/
231
232/* Hardware governed */
233#define MX_48M_SRC (0 << 3)
234#define MX_54M_SRC (0 << 5)
235#define MX_APLLS_CLIKIN_12 (3 << 23)
236#define MX_APLLS_CLIKIN_13 (2 << 23)
237#define MX_APLLS_CLIKIN_19_2 (0 << 23)
238
239/*
240 * 2430 - standalone, 2*ref*M/(n+1), M/N is for exactness not relock speed
241 * #2 (ratio1) baseport-target
242 * #5a (ratio1) baseport-target, target DPLL = 266*2 = 532MHz
243 */
244#define M5A_DPLL_MULT_12 (133 << 12)
245#define M5A_DPLL_DIV_12 (5 << 8)
246#define M5A_CM_CLKSEL1_PLL_12_VAL MX_48M_SRC | MX_54M_SRC | \
247 M5A_DPLL_DIV_12 | M5A_DPLL_MULT_12 | \
248 MX_APLLS_CLIKIN_12
249#define M5A_DPLL_MULT_13 (266 << 12)
250#define M5A_DPLL_DIV_13 (12 << 8)
251#define M5A_CM_CLKSEL1_PLL_13_VAL MX_48M_SRC | MX_54M_SRC | \
252 M5A_DPLL_DIV_13 | M5A_DPLL_MULT_13 | \
253 MX_APLLS_CLIKIN_13
254#define M5A_DPLL_MULT_19 (180 << 12)
255#define M5A_DPLL_DIV_19 (12 << 8)
256#define M5A_CM_CLKSEL1_PLL_19_VAL MX_48M_SRC | MX_54M_SRC | \
257 M5A_DPLL_DIV_19 | M5A_DPLL_MULT_19 | \
258 MX_APLLS_CLIKIN_19_2
259/* #5b (ratio1) target DPLL = 200*2 = 400MHz */
260#define M5B_DPLL_MULT_12 (50 << 12)
261#define M5B_DPLL_DIV_12 (2 << 8)
262#define M5B_CM_CLKSEL1_PLL_12_VAL MX_48M_SRC | MX_54M_SRC | \
263 M5B_DPLL_DIV_12 | M5B_DPLL_MULT_12 | \
264 MX_APLLS_CLIKIN_12
265#define M5B_DPLL_MULT_13 (200 << 12)
266#define M5B_DPLL_DIV_13 (12 << 8)
267
268#define M5B_CM_CLKSEL1_PLL_13_VAL MX_48M_SRC | MX_54M_SRC | \
269 M5B_DPLL_DIV_13 | M5B_DPLL_MULT_13 | \
270 MX_APLLS_CLIKIN_13
271#define M5B_DPLL_MULT_19 (125 << 12)
272#define M5B_DPLL_DIV_19 (31 << 8)
273#define M5B_CM_CLKSEL1_PLL_19_VAL MX_48M_SRC | MX_54M_SRC | \
274 M5B_DPLL_DIV_19 | M5B_DPLL_MULT_19 | \
275 MX_APLLS_CLIKIN_19_2
276/*
277 * #4 (ratio2)
278 * #3 (ratio2) baseport-target, target DPLL = 330*2 = 660MHz
279 */
280#define M3_DPLL_MULT_12 (55 << 12)
281#define M3_DPLL_DIV_12 (1 << 8)
282#define M3_CM_CLKSEL1_PLL_12_VAL MX_48M_SRC | MX_54M_SRC | \
283 M3_DPLL_DIV_12 | M3_DPLL_MULT_12 | \
284 MX_APLLS_CLIKIN_12
285#define M3_DPLL_MULT_13 (330 << 12)
286#define M3_DPLL_DIV_13 (12 << 8)
287#define M3_CM_CLKSEL1_PLL_13_VAL MX_48M_SRC | MX_54M_SRC | \
288 M3_DPLL_DIV_13 | M3_DPLL_MULT_13 | \
289 MX_APLLS_CLIKIN_13
290#define M3_DPLL_MULT_19 (275 << 12)
291#define M3_DPLL_DIV_19 (15 << 8)
292#define M3_CM_CLKSEL1_PLL_19_VAL MX_48M_SRC | MX_54M_SRC | \
293 M3_DPLL_DIV_19 | M3_DPLL_MULT_19 | \
294 MX_APLLS_CLIKIN_19_2
295/* boot (boot) */
296#define MB_DPLL_MULT (1 << 12)
297#define MB_DPLL_DIV (0 << 8)
298#define MB_CM_CLKSEL1_PLL_12_VAL MX_48M_SRC | MX_54M_SRC | MB_DPLL_DIV |\
299 MB_DPLL_MULT | MX_APLLS_CLIKIN_12
300
301#define MB_CM_CLKSEL1_PLL_13_VAL MX_48M_SRC | MX_54M_SRC | MB_DPLL_DIV |\
302 MB_DPLL_MULT | MX_APLLS_CLIKIN_13
303
304#define MB_CM_CLKSEL1_PLL_19_VAL MX_48M_SRC | MX_54M_SRC | MB_DPLL_DIV |\
305 MB_DPLL_MULT | MX_APLLS_CLIKIN_19
306
307/*
308 * 2430 - chassis (sedna)
309 * 165 (ratio1) same as above #2
310 * 150 (ratio1)
311 * 133 (ratio2) same as above #4
312 * 110 (ratio2) same as above #3
313 * 104 (ratio2)
314 * boot (boot)
315 */
316
317/*
318 * 2420 Equivalent - mode registers
319 * PRCM II , target DPLL = 2*300MHz = 600MHz
320 */
321#define MII_DPLL_MULT_12 (50 << 12)
322#define MII_DPLL_DIV_12 (1 << 8)
323#define MII_CM_CLKSEL1_PLL_12_VAL MX_48M_SRC | MX_54M_SRC | \
324 MII_DPLL_DIV_12 | MII_DPLL_MULT_12 | \
325 MX_APLLS_CLIKIN_12
326#define MII_DPLL_MULT_13 (300 << 12)
327#define MII_DPLL_DIV_13 (12 << 8)
328#define MII_CM_CLKSEL1_PLL_13_VAL MX_48M_SRC | MX_54M_SRC | \
329 MII_DPLL_DIV_13 | MII_DPLL_MULT_13 | \
330 MX_APLLS_CLIKIN_13
331
332/* PRCM III target DPLL = 2*266 = 532MHz*/
333#define MIII_DPLL_MULT_12 (133 << 12)
334#define MIII_DPLL_DIV_12 (5 << 8)
335#define MIII_CM_CLKSEL1_PLL_12_VAL MX_48M_SRC | MX_54M_SRC | \
336 MIII_DPLL_DIV_12 | MIII_DPLL_MULT_12 | \
337 MX_APLLS_CLIKIN_12
338#define MIII_DPLL_MULT_13 (266 << 12)
339#define MIII_DPLL_DIV_13 (12 << 8)
340#define MIII_CM_CLKSEL1_PLL_13_VAL MX_48M_SRC | MX_54M_SRC | \
341 MIII_DPLL_DIV_13 | MIII_DPLL_MULT_13 | \
342 MX_APLLS_CLIKIN_13
343
344/* PRCM VII (boot bypass) */
345#define MVII_CM_CLKSEL1_PLL_12_VAL MB_CM_CLKSEL1_PLL_12_VAL
346#define MVII_CM_CLKSEL1_PLL_13_VAL MB_CM_CLKSEL1_PLL_13_VAL
347
348/* High and low operation value */
349#define MX_CLKSEL2_PLL_2x_VAL (2 << 0)
350#define MX_CLKSEL2_PLL_1x_VAL (1 << 0)
351
352/*
353 * These represent optimal values for common parts, it won't work for all.
354 * As long as you scale down, most parameters are still work, they just
355 * become sub-optimal. The RFR value goes in the oppisite direction. If you
356 * don't adjust it down as your clock period increases the refresh interval
357 * will not be met. Setting all parameters for complete worst case may work,
358 * but may cut memory performance by 2x. Due to errata the DLLs need to be
359 * unlocked and their value needs run time calibration. A dynamic call is
360 * need for that as no single right value exists acorss production samples.
361 *
362 * Only the FULL speed values are given. Current code is such that rate
363 * changes must be made at DPLLoutx2. The actual value adjustment for low
364 * frequency operation will be handled by omap_set_performance()
365 *
366 * By having the boot loader boot up in the fastest L4 speed available likely
367 * will result in something which you can switch between.
368 */
369#define V24XX_SDRC_RFR_CTRL_133MHz (0x0003de00 | 1)
370#define V24XX_SDRC_RFR_CTRL_100MHz (0x0002da01 | 1)
371#define V24XX_SDRC_RFR_CTRL_110MHz (0x0002da01 | 1) /* Need to calc */
372#define V24XX_SDRC_RFR_CTRL_BYPASS (0x00005000 | 1) /* Need to calc */
373
374/* MPU speed defines */
375#define S12M 12000000
376#define S13M 13000000
377#define S19M 19200000
378#define S26M 26000000
379#define S100M 100000000
380#define S133M 133000000
381#define S150M 150000000
382#define S165M 165000000
383#define S200M 200000000
384#define S266M 266000000
385#define S300M 300000000
386#define S330M 330000000
387#define S400M 400000000
388#define S532M 532000000
389#define S600M 600000000
390#define S660M 660000000
391
392/*-------------------------------------------------------------------------
393 * Key dividers which make up a PRCM set. Ratio's for a PRCM are mandated.
394 * xtal_speed, dpll_speed, mpu_speed, CM_CLKSEL_MPU,
395 * CM_CLKSEL_DSP, CM_CLKSEL_GFX, CM_CLKSEL1_CORE, CM_CLKSEL1_PLL,
396 * CM_CLKSEL2_PLL, CM_CLKSEL_MDM
397 *
398 * Filling in table based on H4 boards and 2430-SDPs variants available.
399 * There are quite a few more rates combinations which could be defined.
400 *
401 * When multiple values are defiend the start up will try and choose the
402 * fastest one. If a 'fast' value is defined, then automatically, the /2
403 * one should be included as it can be used. Generally having more that
404 * one fast set does not make sense, as static timings need to be changed
405 * to change the set. The exception is the bypass setting which is
406 * availble for low power bypass.
407 *
408 * Note: This table needs to be sorted, fastest to slowest.
409 *-------------------------------------------------------------------------*/
410static struct prcm_config rate_table[] = {
411 /* PRCM II - FAST */
412 {S12M, S600M, S300M, RII_CM_CLKSEL_MPU_VAL, /* 300MHz ARM */
413 RII_CM_CLKSEL_DSP_VAL, RII_CM_CLKSEL_GFX_VAL,
414 RII_CM_CLKSEL1_CORE_VAL, MII_CM_CLKSEL1_PLL_12_VAL,
415 MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_100MHz,
416 RATE_IN_242X},
417
418 {S13M, S600M, S300M, RII_CM_CLKSEL_MPU_VAL, /* 300MHz ARM */
419 RII_CM_CLKSEL_DSP_VAL, RII_CM_CLKSEL_GFX_VAL,
420 RII_CM_CLKSEL1_CORE_VAL, MII_CM_CLKSEL1_PLL_13_VAL,
421 MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_100MHz,
422 RATE_IN_242X},
423
424 /* PRCM III - FAST */
425 {S12M, S532M, S266M, RIII_CM_CLKSEL_MPU_VAL, /* 266MHz ARM */
426 RIII_CM_CLKSEL_DSP_VAL, RIII_CM_CLKSEL_GFX_VAL,
427 RIII_CM_CLKSEL1_CORE_VAL, MIII_CM_CLKSEL1_PLL_12_VAL,
428 MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_133MHz,
429 RATE_IN_242X},
430
431 {S13M, S532M, S266M, RIII_CM_CLKSEL_MPU_VAL, /* 266MHz ARM */
432 RIII_CM_CLKSEL_DSP_VAL, RIII_CM_CLKSEL_GFX_VAL,
433 RIII_CM_CLKSEL1_CORE_VAL, MIII_CM_CLKSEL1_PLL_13_VAL,
434 MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_133MHz,
435 RATE_IN_242X},
436
437 /* PRCM II - SLOW */
438 {S12M, S300M, S150M, RII_CM_CLKSEL_MPU_VAL, /* 150MHz ARM */
439 RII_CM_CLKSEL_DSP_VAL, RII_CM_CLKSEL_GFX_VAL,
440 RII_CM_CLKSEL1_CORE_VAL, MII_CM_CLKSEL1_PLL_12_VAL,
441 MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_100MHz,
442 RATE_IN_242X},
443
444 {S13M, S300M, S150M, RII_CM_CLKSEL_MPU_VAL, /* 150MHz ARM */
445 RII_CM_CLKSEL_DSP_VAL, RII_CM_CLKSEL_GFX_VAL,
446 RII_CM_CLKSEL1_CORE_VAL, MII_CM_CLKSEL1_PLL_13_VAL,
447 MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_100MHz,
448 RATE_IN_242X},
449
450 /* PRCM III - SLOW */
451 {S12M, S266M, S133M, RIII_CM_CLKSEL_MPU_VAL, /* 133MHz ARM */
452 RIII_CM_CLKSEL_DSP_VAL, RIII_CM_CLKSEL_GFX_VAL,
453 RIII_CM_CLKSEL1_CORE_VAL, MIII_CM_CLKSEL1_PLL_12_VAL,
454 MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_133MHz,
455 RATE_IN_242X},
456
457 {S13M, S266M, S133M, RIII_CM_CLKSEL_MPU_VAL, /* 133MHz ARM */
458 RIII_CM_CLKSEL_DSP_VAL, RIII_CM_CLKSEL_GFX_VAL,
459 RIII_CM_CLKSEL1_CORE_VAL, MIII_CM_CLKSEL1_PLL_13_VAL,
460 MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_133MHz,
461 RATE_IN_242X},
462
463 /* PRCM-VII (boot-bypass) */
464 {S12M, S12M, S12M, RVII_CM_CLKSEL_MPU_VAL, /* 12MHz ARM*/
465 RVII_CM_CLKSEL_DSP_VAL, RVII_CM_CLKSEL_GFX_VAL,
466 RVII_CM_CLKSEL1_CORE_VAL, MVII_CM_CLKSEL1_PLL_12_VAL,
467 MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_BYPASS,
468 RATE_IN_242X},
469
470 /* PRCM-VII (boot-bypass) */
471 {S13M, S13M, S13M, RVII_CM_CLKSEL_MPU_VAL, /* 13MHz ARM */
472 RVII_CM_CLKSEL_DSP_VAL, RVII_CM_CLKSEL_GFX_VAL,
473 RVII_CM_CLKSEL1_CORE_VAL, MVII_CM_CLKSEL1_PLL_13_VAL,
474 MX_CLKSEL2_PLL_2x_VAL, 0, V24XX_SDRC_RFR_CTRL_BYPASS,
475 RATE_IN_242X},
476
477 /* PRCM #3 - ratio2 (ES2) - FAST */
478 {S13M, S660M, S330M, R2_CM_CLKSEL_MPU_VAL, /* 330MHz ARM */
479 R2_CM_CLKSEL_DSP_VAL, R2_CM_CLKSEL_GFX_VAL,
480 R2_CM_CLKSEL1_CORE_VAL, M3_CM_CLKSEL1_PLL_13_VAL,
481 MX_CLKSEL2_PLL_2x_VAL, R2_CM_CLKSEL_MDM_VAL,
482 V24XX_SDRC_RFR_CTRL_110MHz,
483 RATE_IN_243X},
484
485 /* PRCM #5a - ratio1 - FAST */
486 {S13M, S532M, S266M, R1_CM_CLKSEL_MPU_VAL, /* 266MHz ARM */
487 R1_CM_CLKSEL_DSP_VAL, R1_CM_CLKSEL_GFX_VAL,
488 R1_CM_CLKSEL1_CORE_VAL, M5A_CM_CLKSEL1_PLL_13_VAL,
489 MX_CLKSEL2_PLL_2x_VAL, R1_CM_CLKSEL_MDM_VAL,
490 V24XX_SDRC_RFR_CTRL_133MHz,
491 RATE_IN_243X},
492
493 /* PRCM #5b - ratio1 - FAST */
494 {S13M, S400M, S200M, R1_CM_CLKSEL_MPU_VAL, /* 200MHz ARM */
495 R1_CM_CLKSEL_DSP_VAL, R1_CM_CLKSEL_GFX_VAL,
496 R1_CM_CLKSEL1_CORE_VAL, M5B_CM_CLKSEL1_PLL_13_VAL,
497 MX_CLKSEL2_PLL_2x_VAL, R1_CM_CLKSEL_MDM_VAL,
498 V24XX_SDRC_RFR_CTRL_100MHz,
499 RATE_IN_243X},
500
501 /* PRCM #3 - ratio2 (ES2) - SLOW */
502 {S13M, S330M, S165M, R2_CM_CLKSEL_MPU_VAL, /* 165MHz ARM */
503 R2_CM_CLKSEL_DSP_VAL, R2_CM_CLKSEL_GFX_VAL,
504 R2_CM_CLKSEL1_CORE_VAL, M3_CM_CLKSEL1_PLL_13_VAL,
505 MX_CLKSEL2_PLL_1x_VAL, R2_CM_CLKSEL_MDM_VAL,
506 V24XX_SDRC_RFR_CTRL_110MHz,
507 RATE_IN_243X},
508
509 /* PRCM #5a - ratio1 - SLOW */
510 {S13M, S266M, S133M, R1_CM_CLKSEL_MPU_VAL, /* 133MHz ARM */
511 R1_CM_CLKSEL_DSP_VAL, R1_CM_CLKSEL_GFX_VAL,
512 R1_CM_CLKSEL1_CORE_VAL, M5A_CM_CLKSEL1_PLL_13_VAL,
513 MX_CLKSEL2_PLL_1x_VAL, R1_CM_CLKSEL_MDM_VAL,
514 V24XX_SDRC_RFR_CTRL_133MHz,
515 RATE_IN_243X},
516
517 /* PRCM #5b - ratio1 - SLOW*/
518 {S13M, S200M, S100M, R1_CM_CLKSEL_MPU_VAL, /* 100MHz ARM */
519 R1_CM_CLKSEL_DSP_VAL, R1_CM_CLKSEL_GFX_VAL,
520 R1_CM_CLKSEL1_CORE_VAL, M5B_CM_CLKSEL1_PLL_13_VAL,
521 MX_CLKSEL2_PLL_1x_VAL, R1_CM_CLKSEL_MDM_VAL,
522 V24XX_SDRC_RFR_CTRL_100MHz,
523 RATE_IN_243X},
524
525 /* PRCM-boot/bypass */
526 {S13M, S13M, S13M, RB_CM_CLKSEL_MPU_VAL, /* 13Mhz */
527 RB_CM_CLKSEL_DSP_VAL, RB_CM_CLKSEL_GFX_VAL,
528 RB_CM_CLKSEL1_CORE_VAL, MB_CM_CLKSEL1_PLL_13_VAL,
529 MX_CLKSEL2_PLL_2x_VAL, RB_CM_CLKSEL_MDM_VAL,
530 V24XX_SDRC_RFR_CTRL_BYPASS,
531 RATE_IN_243X},
532
533 /* PRCM-boot/bypass */
534 {S12M, S12M, S12M, RB_CM_CLKSEL_MPU_VAL, /* 12Mhz */
535 RB_CM_CLKSEL_DSP_VAL, RB_CM_CLKSEL_GFX_VAL,
536 RB_CM_CLKSEL1_CORE_VAL, MB_CM_CLKSEL1_PLL_12_VAL,
537 MX_CLKSEL2_PLL_2x_VAL, RB_CM_CLKSEL_MDM_VAL,
538 V24XX_SDRC_RFR_CTRL_BYPASS,
539 RATE_IN_243X},
540
541 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
542};
543
544/*-------------------------------------------------------------------------
545 * 24xx clock tree.
546 *
547 * NOTE:In many cases here we are assigning a 'default' parent. In many
548 * cases the parent is selectable. The get/set parent calls will also
549 * switch sources.
550 *
551 * Many some clocks say always_enabled, but they can be auto idled for
552 * power savings. They will always be available upon clock request.
553 *
554 * Several sources are given initial rates which may be wrong, this will
555 * be fixed up in the init func.
556 *
557 * Things are broadly separated below by clock domains. It is
558 * noteworthy that most periferals have dependencies on multiple clock
559 * domains. Many get their interface clocks from the L4 domain, but get
560 * functional clocks from fixed sources or other core domain derived
561 * clocks.
562 *-------------------------------------------------------------------------*/
563
564/* Base external input clocks */
565static struct clk func_32k_ck = {
566 .name = "func_32k_ck",
567 .rate = 32000,
568 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
569 RATE_FIXED | ALWAYS_ENABLED,
570};
571
572/* Typical 12/13MHz in standalone mode, will be 26Mhz in chassis mode */
573static struct clk osc_ck = { /* (*12, *13, 19.2, *26, 38.4)MHz */
574 .name = "osc_ck",
575 .rate = 26000000, /* fixed up in clock init */
576 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
577 RATE_FIXED | ALWAYS_ENABLED | RATE_PROPAGATES,
578};
579
580/* With out modem likely 12MHz, with modem likely 13MHz */
581static struct clk sys_ck = { /* (*12, *13, 19.2, 26, 38.4)MHz */
582 .name = "sys_ck", /* ~ ref_clk also */
583 .parent = &osc_ck,
584 .rate = 13000000,
585 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
586 RATE_FIXED | ALWAYS_ENABLED | RATE_PROPAGATES,
587 .rate_offset = 6, /* sysclkdiv 1 or 2, already handled or no boot */
588 .recalc = &omap2_sys_clk_recalc,
589};
590
591static struct clk alt_ck = { /* Typical 54M or 48M, may not exist */
592 .name = "alt_ck",
593 .rate = 54000000,
594 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
595 RATE_FIXED | ALWAYS_ENABLED | RATE_PROPAGATES,
596 .recalc = &omap2_propagate_rate,
597};
598
599/*
600 * Analog domain root source clocks
601 */
602
603/* dpll_ck, is broken out in to special cases through clksel */
604static struct clk dpll_ck = {
605 .name = "dpll_ck",
606 .parent = &sys_ck, /* Can be func_32k also */
607 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
608 RATE_PROPAGATES | RATE_CKCTL | CM_PLL_SEL1,
609 .recalc = &omap2_clksel_recalc,
610};
611
612static struct clk apll96_ck = {
613 .name = "apll96_ck",
614 .parent = &sys_ck,
615 .rate = 96000000,
616 .flags = CLOCK_IN_OMAP242X |CLOCK_IN_OMAP243X |
617 RATE_FIXED | RATE_PROPAGATES,
618 .enable_reg = (void __iomem *)&CM_CLKEN_PLL,
619 .enable_bit = 0x2,
620 .recalc = &omap2_propagate_rate,
621};
622
623static struct clk apll54_ck = {
624 .name = "apll54_ck",
625 .parent = &sys_ck,
626 .rate = 54000000,
627 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
628 RATE_FIXED | RATE_PROPAGATES,
629 .enable_reg = (void __iomem *)&CM_CLKEN_PLL,
630 .enable_bit = 0x6,
631 .recalc = &omap2_propagate_rate,
632};
633
634/*
635 * PRCM digital base sources
636 */
637static struct clk func_54m_ck = {
638 .name = "func_54m_ck",
639 .parent = &apll54_ck, /* can also be alt_clk */
640 .rate = 54000000,
641 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
642 RATE_FIXED | CM_PLL_SEL1 | RATE_PROPAGATES,
643 .src_offset = 5,
644 .enable_reg = (void __iomem *)&CM_CLKEN_PLL,
645 .enable_bit = 0xff,
646 .recalc = &omap2_propagate_rate,
647};
648
649static struct clk core_ck = {
650 .name = "core_ck",
651 .parent = &dpll_ck, /* can also be 32k */
652 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
653 ALWAYS_ENABLED | RATE_PROPAGATES,
654 .recalc = &omap2_propagate_rate,
655};
656
657static struct clk sleep_ck = { /* sys_clk or 32k */
658 .name = "sleep_ck",
659 .parent = &func_32k_ck,
660 .rate = 32000,
661 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
662 .recalc = &omap2_propagate_rate,
663};
664
665static struct clk func_96m_ck = {
666 .name = "func_96m_ck",
667 .parent = &apll96_ck,
668 .rate = 96000000,
669 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
670 RATE_FIXED | RATE_PROPAGATES,
671 .enable_reg = (void __iomem *)&CM_CLKEN_PLL,
672 .enable_bit = 0xff,
673 .recalc = &omap2_propagate_rate,
674};
675
676static struct clk func_48m_ck = {
677 .name = "func_48m_ck",
678 .parent = &apll96_ck, /* 96M or Alt */
679 .rate = 48000000,
680 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
681 RATE_FIXED | CM_PLL_SEL1 | RATE_PROPAGATES,
682 .src_offset = 3,
683 .enable_reg = (void __iomem *)&CM_CLKEN_PLL,
684 .enable_bit = 0xff,
685 .recalc = &omap2_propagate_rate,
686};
687
688static struct clk func_12m_ck = {
689 .name = "func_12m_ck",
690 .parent = &func_48m_ck,
691 .rate = 12000000,
692 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
693 RATE_FIXED | RATE_PROPAGATES,
694 .recalc = &omap2_propagate_rate,
695 .enable_reg = (void __iomem *)&CM_CLKEN_PLL,
696 .enable_bit = 0xff,
697};
698
699/* Secure timer, only available in secure mode */
700static struct clk wdt1_osc_ck = {
701 .name = "ck_wdt1_osc",
702 .parent = &osc_ck,
703 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
704 .recalc = &omap2_followparent_recalc,
705};
706
707static struct clk sys_clkout = {
708 .name = "sys_clkout",
709 .parent = &func_54m_ck,
710 .rate = 54000000,
711 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
712 CM_SYSCLKOUT_SEL1 | RATE_CKCTL,
713 .src_offset = 0,
714 .enable_reg = (void __iomem *)&PRCM_CLKOUT_CTRL,
715 .enable_bit = 7,
716 .rate_offset = 3,
717 .recalc = &omap2_clksel_recalc,
718};
719
720/* In 2430, new in 2420 ES2 */
721static struct clk sys_clkout2 = {
722 .name = "sys_clkout2",
723 .parent = &func_54m_ck,
724 .rate = 54000000,
725 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
726 CM_SYSCLKOUT_SEL1 | RATE_CKCTL,
727 .src_offset = 8,
728 .enable_reg = (void __iomem *)&PRCM_CLKOUT_CTRL,
729 .enable_bit = 15,
730 .rate_offset = 11,
731 .recalc = &omap2_clksel_recalc,
732};
733
734/*
735 * MPU clock domain
736 * Clocks:
737 * MPU_FCLK, MPU_ICLK
738 * INT_M_FCLK, INT_M_I_CLK
739 *
740 * - Individual clocks are hardware managed.
741 * - Base divider comes from: CM_CLKSEL_MPU
742 *
743 */
744static struct clk mpu_ck = { /* Control cpu */
745 .name = "mpu_ck",
746 .parent = &core_ck,
747 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | RATE_CKCTL |
748 ALWAYS_ENABLED | CM_MPU_SEL1 | DELAYED_APP |
749 CONFIG_PARTICIPANT | RATE_PROPAGATES,
750 .rate_offset = 0, /* bits 0-4 */
751 .recalc = &omap2_clksel_recalc,
752};
753
754/*
755 * DSP (2430-IVA2.1) (2420-UMA+IVA1) clock domain
756 * Clocks:
757 * 2430: IVA2.1_FCLK, IVA2.1_ICLK
758 * 2420: UMA_FCLK, UMA_ICLK, IVA_MPU, IVA_COP
759 */
760static struct clk iva2_1_fck = {
761 .name = "iva2_1_fck",
762 .parent = &core_ck,
763 .flags = CLOCK_IN_OMAP243X | RATE_CKCTL | CM_DSP_SEL1 |
764 DELAYED_APP | RATE_PROPAGATES |
765 CONFIG_PARTICIPANT,
766 .rate_offset = 0,
767 .enable_reg = (void __iomem *)&CM_FCLKEN_DSP,
768 .enable_bit = 0,
769 .recalc = &omap2_clksel_recalc,
770};
771
772static struct clk iva2_1_ick = {
773 .name = "iva2_1_ick",
774 .parent = &iva2_1_fck,
775 .flags = CLOCK_IN_OMAP243X | RATE_CKCTL | CM_DSP_SEL1 |
776 DELAYED_APP | CONFIG_PARTICIPANT,
777 .rate_offset = 5,
778 .recalc = &omap2_clksel_recalc,
779};
780
781/*
782 * Won't be too specific here. The core clock comes into this block
783 * it is divided then tee'ed. One branch goes directly to xyz enable
784 * controls. The other branch gets further divided by 2 then possibly
785 * routed into a synchronizer and out of clocks abc.
786 */
787static struct clk dsp_fck = {
788 .name = "dsp_fck",
789 .parent = &core_ck,
790 .flags = CLOCK_IN_OMAP242X | RATE_CKCTL | CM_DSP_SEL1 |
791 DELAYED_APP | CONFIG_PARTICIPANT | RATE_PROPAGATES,
792 .rate_offset = 0,
793 .enable_reg = (void __iomem *)&CM_FCLKEN_DSP,
794 .enable_bit = 0,
795 .recalc = &omap2_clksel_recalc,
796};
797
798static struct clk dsp_ick = {
799 .name = "dsp_ick", /* apparently ipi and isp */
800 .parent = &dsp_fck,
801 .flags = CLOCK_IN_OMAP242X | RATE_CKCTL | CM_DSP_SEL1 |
802 DELAYED_APP | CONFIG_PARTICIPANT,
803 .rate_offset = 5,
804 .enable_reg = (void __iomem *)&CM_ICLKEN_DSP,
805 .enable_bit = 1, /* for ipi */
806 .recalc = &omap2_clksel_recalc,
807};
808
809static struct clk iva1_ifck = {
810 .name = "iva1_ifck",
811 .parent = &core_ck,
812 .flags = CLOCK_IN_OMAP242X | CM_DSP_SEL1 | RATE_CKCTL |
813 CONFIG_PARTICIPANT | RATE_PROPAGATES | DELAYED_APP,
814 .rate_offset= 8,
815 .enable_reg = (void __iomem *)&CM_FCLKEN_DSP,
816 .enable_bit = 10,
817 .recalc = &omap2_clksel_recalc,
818};
819
820/* IVA1 mpu/int/i/f clocks are /2 of parent */
821static struct clk iva1_mpu_int_ifck = {
822 .name = "iva1_mpu_int_ifck",
823 .parent = &iva1_ifck,
824 .flags = CLOCK_IN_OMAP242X | RATE_CKCTL | CM_DSP_SEL1,
825 .enable_reg = (void __iomem *)&CM_FCLKEN_DSP,
826 .enable_bit = 8,
827 .recalc = &omap2_clksel_recalc,
828};
829
830/*
831 * L3 clock domain
832 * L3 clocks are used for both interface and functional clocks to
833 * multiple entities. Some of these clocks are completely managed
834 * by hardware, and some others allow software control. Hardware
835 * managed ones general are based on directly CLK_REQ signals and
836 * various auto idle settings. The functional spec sets many of these
837 * as 'tie-high' for their enables.
838 *
839 * I-CLOCKS:
840 * L3-Interconnect, SMS, GPMC, SDRC, OCM_RAM, OCM_ROM, SDMA
841 * CAM, HS-USB.
842 * F-CLOCK
843 * SSI.
844 *
845 * GPMC memories and SDRC have timing and clock sensitive registers which
846 * may very well need notification when the clock changes. Currently for low
847 * operating points, these are taken care of in sleep.S.
848 */
849static struct clk core_l3_ck = { /* Used for ick and fck, interconnect */
850 .name = "core_l3_ck",
851 .parent = &core_ck,
852 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
853 RATE_CKCTL | ALWAYS_ENABLED | CM_CORE_SEL1 |
854 DELAYED_APP | CONFIG_PARTICIPANT |
855 RATE_PROPAGATES,
856 .rate_offset = 0,
857 .recalc = &omap2_clksel_recalc,
858};
859
860static struct clk usb_l4_ick = { /* FS-USB interface clock */
861 .name = "usb_l4_ick",
862 .parent = &core_ck,
863 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
864 RATE_CKCTL | CM_CORE_SEL1 | DELAYED_APP |
865 CONFIG_PARTICIPANT,
866 .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
867 .enable_bit = 0,
868 .rate_offset = 25,
869 .recalc = &omap2_clksel_recalc,
870};
871
872/*
873 * SSI is in L3 management domain, its direct parent is core not l3,
874 * many core power domain entities are grouped into the L3 clock
875 * domain.
876 * SSI_SSR_FCLK, SSI_SST_FCLK, SSI_L4_CLIK
877 *
878 * ssr = core/1/2/3/4/5, sst = 1/2 ssr.
879 */
880static struct clk ssi_ssr_sst_fck = {
881 .name = "ssi_fck",
882 .parent = &core_ck,
883 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
884 RATE_CKCTL | CM_CORE_SEL1 | DELAYED_APP,
885 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE, /* bit 1 */
886 .enable_bit = 1,
887 .rate_offset = 20,
888 .recalc = &omap2_clksel_recalc,
889};
890
891/*
892 * GFX clock domain
893 * Clocks:
894 * GFX_FCLK, GFX_ICLK
895 * GFX_CG1(2d), GFX_CG2(3d)
896 *
897 * GFX_FCLK runs from L3, and is divided by (1,2,3,4)
898 * The 2d and 3d clocks run at a hardware determined
899 * divided value of fclk.
900 *
901 */
902static struct clk gfx_3d_fck = {
903 .name = "gfx_3d_fck",
904 .parent = &core_l3_ck,
905 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
906 RATE_CKCTL | CM_GFX_SEL1,
907 .enable_reg = (void __iomem *)&CM_FCLKEN_GFX,
908 .enable_bit = 2,
909 .rate_offset= 0,
910 .recalc = &omap2_clksel_recalc,
911};
912
913static struct clk gfx_2d_fck = {
914 .name = "gfx_2d_fck",
915 .parent = &core_l3_ck,
916 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
917 RATE_CKCTL | CM_GFX_SEL1,
918 .enable_reg = (void __iomem *)&CM_FCLKEN_GFX,
919 .enable_bit = 1,
920 .rate_offset= 0,
921 .recalc = &omap2_clksel_recalc,
922};
923
924static struct clk gfx_ick = {
925 .name = "gfx_ick", /* From l3 */
926 .parent = &core_l3_ck,
927 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
928 RATE_CKCTL,
929 .enable_reg = (void __iomem *)&CM_ICLKEN_GFX, /* bit 0 */
930 .enable_bit = 0,
931 .recalc = &omap2_followparent_recalc,
932};
933
934/*
935 * Modem clock domain (2430)
936 * CLOCKS:
937 * MDM_OSC_CLK
938 * MDM_ICLK
939 */
940static struct clk mdm_ick = { /* used both as a ick and fck */
941 .name = "mdm_ick",
942 .parent = &core_ck,
943 .flags = CLOCK_IN_OMAP243X | RATE_CKCTL | CM_MODEM_SEL1 |
944 DELAYED_APP | CONFIG_PARTICIPANT,
945 .rate_offset = 0,
946 .enable_reg = (void __iomem *)&CM_ICLKEN_MDM,
947 .enable_bit = 0,
948 .recalc = &omap2_clksel_recalc,
949};
950
951static struct clk mdm_osc_ck = {
952 .name = "mdm_osc_ck",
953 .rate = 26000000,
954 .parent = &osc_ck,
955 .flags = CLOCK_IN_OMAP243X | RATE_FIXED,
956 .enable_reg = (void __iomem *)&CM_FCLKEN_MDM,
957 .enable_bit = 1,
958 .recalc = &omap2_followparent_recalc,
959};
960
961/*
962 * L4 clock management domain
963 *
964 * This domain contains lots of interface clocks from the L4 interface, some
965 * functional clocks. Fixed APLL functional source clocks are managed in
966 * this domain.
967 */
968static struct clk l4_ck = { /* used both as an ick and fck */
969 .name = "l4_ck",
970 .parent = &core_l3_ck,
971 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
972 RATE_CKCTL | ALWAYS_ENABLED | CM_CORE_SEL1 |
973 DELAYED_APP | RATE_PROPAGATES,
974 .rate_offset = 5,
975 .recalc = &omap2_clksel_recalc,
976};
977
978static struct clk ssi_l4_ick = {
979 .name = "ssi_l4_ick",
980 .parent = &l4_ck,
981 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | RATE_CKCTL,
982 .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE, /* bit 1 */
983 .enable_bit = 1,
984 .recalc = &omap2_followparent_recalc,
985};
986
987/*
988 * DSS clock domain
989 * CLOCKs:
990 * DSS_L4_ICLK, DSS_L3_ICLK,
991 * DSS_CLK1, DSS_CLK2, DSS_54MHz_CLK
992 *
993 * DSS is both initiator and target.
994 */
995static struct clk dss_ick = { /* Enables both L3,L4 ICLK's */
996 .name = "dss_ick",
997 .parent = &l4_ck, /* really both l3 and l4 */
998 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | RATE_CKCTL,
999 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1000 .enable_bit = 0,
1001 .recalc = &omap2_followparent_recalc,
1002};
1003
1004static struct clk dss1_fck = {
1005 .name = "dss1_fck",
1006 .parent = &core_ck, /* Core or sys */
1007 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1008 RATE_CKCTL | CM_CORE_SEL1 | DELAYED_APP,
1009 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1010 .enable_bit = 0,
1011 .rate_offset = 8,
1012 .src_offset = 8,
1013 .recalc = &omap2_clksel_recalc,
1014};
1015
1016static struct clk dss2_fck = { /* Alt clk used in power management */
1017 .name = "dss2_fck",
1018 .parent = &sys_ck, /* fixed at sys_ck or 48MHz */
1019 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1020 RATE_CKCTL | CM_CORE_SEL1 | RATE_FIXED,
1021 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1022 .enable_bit = 1,
1023 .src_offset = 13,
1024 .recalc = &omap2_followparent_recalc,
1025};
1026
1027static struct clk dss_54m_fck = { /* Alt clk used in power management */
1028 .name = "dss_54m_fck", /* 54m tv clk */
1029 .parent = &func_54m_ck,
1030 .rate = 54000000,
1031 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1032 RATE_FIXED | RATE_PROPAGATES,
1033 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1034 .enable_bit = 2,
1035 .recalc = &omap2_propagate_rate,
1036};
1037
1038/*
1039 * CORE power domain ICLK & FCLK defines.
1040 * Many of the these can have more than one possible parent. Entries
1041 * here will likely have an L4 interface parent, and may have multiple
1042 * functional clock parents.
1043 */
1044static struct clk gpt1_ick = {
1045 .name = "gpt1_ick",
1046 .parent = &l4_ck,
1047 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1048 .enable_reg = (void __iomem *)&CM_ICLKEN_WKUP, /* Bit4 */
1049 .enable_bit = 0,
1050 .recalc = &omap2_followparent_recalc,
1051};
1052
1053static struct clk gpt1_fck = {
1054 .name = "gpt1_fck",
1055 .parent = &func_32k_ck,
1056 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1057 CM_WKUP_SEL1,
1058 .enable_reg = (void __iomem *)&CM_FCLKEN_WKUP,
1059 .enable_bit = 0,
1060 .src_offset = 0,
1061 .recalc = &omap2_followparent_recalc,
1062};
1063
1064static struct clk gpt2_ick = {
1065 .name = "gpt2_ick",
1066 .parent = &l4_ck,
1067 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1068 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* bit4 */
1069 .enable_bit = 0,
1070 .recalc = &omap2_followparent_recalc,
1071};
1072
1073static struct clk gpt2_fck = {
1074 .name = "gpt2_fck",
1075 .parent = &func_32k_ck,
1076 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1077 CM_CORE_SEL2,
1078 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1079 .enable_bit = 4,
1080 .src_offset = 2,
1081 .recalc = &omap2_followparent_recalc,
1082};
1083
1084static struct clk gpt3_ick = {
1085 .name = "gpt3_ick",
1086 .parent = &l4_ck,
1087 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1088 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* Bit5 */
1089 .enable_bit = 5,
1090 .recalc = &omap2_followparent_recalc,
1091};
1092
1093static struct clk gpt3_fck = {
1094 .name = "gpt3_fck",
1095 .parent = &func_32k_ck,
1096 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1097 CM_CORE_SEL2,
1098 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1099 .enable_bit = 5,
1100 .src_offset = 4,
1101 .recalc = &omap2_followparent_recalc,
1102};
1103
1104static struct clk gpt4_ick = {
1105 .name = "gpt4_ick",
1106 .parent = &l4_ck,
1107 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1108 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* Bit6 */
1109 .enable_bit = 6,
1110 .recalc = &omap2_followparent_recalc,
1111};
1112
1113static struct clk gpt4_fck = {
1114 .name = "gpt4_fck",
1115 .parent = &func_32k_ck,
1116 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1117 CM_CORE_SEL2,
1118 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1119 .enable_bit = 6,
1120 .src_offset = 6,
1121 .recalc = &omap2_followparent_recalc,
1122};
1123
1124static struct clk gpt5_ick = {
1125 .name = "gpt5_ick",
1126 .parent = &l4_ck,
1127 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1128 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* Bit7 */
1129 .enable_bit = 7,
1130 .recalc = &omap2_followparent_recalc,
1131};
1132
1133static struct clk gpt5_fck = {
1134 .name = "gpt5_fck",
1135 .parent = &func_32k_ck,
1136 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1137 CM_CORE_SEL2,
1138 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1139 .enable_bit = 7,
1140 .src_offset = 8,
1141 .recalc = &omap2_followparent_recalc,
1142};
1143
1144static struct clk gpt6_ick = {
1145 .name = "gpt6_ick",
1146 .parent = &l4_ck,
1147 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1148 .enable_bit = 8,
1149 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* bit8 */
1150 .recalc = &omap2_followparent_recalc,
1151};
1152
1153static struct clk gpt6_fck = {
1154 .name = "gpt6_fck",
1155 .parent = &func_32k_ck,
1156 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1157 CM_CORE_SEL2,
1158 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1159 .enable_bit = 8,
1160 .src_offset = 10,
1161 .recalc = &omap2_followparent_recalc,
1162};
1163
1164static struct clk gpt7_ick = {
1165 .name = "gpt7_ick",
1166 .parent = &l4_ck,
1167 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1168 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* bit9 */
1169 .enable_bit = 9,
1170 .recalc = &omap2_followparent_recalc,
1171};
1172
1173static struct clk gpt7_fck = {
1174 .name = "gpt7_fck",
1175 .parent = &func_32k_ck,
1176 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1177 CM_CORE_SEL2,
1178 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1179 .enable_bit = 9,
1180 .src_offset = 12,
1181 .recalc = &omap2_followparent_recalc,
1182};
1183
1184static struct clk gpt8_ick = {
1185 .name = "gpt8_ick",
1186 .parent = &l4_ck,
1187 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1188 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* bit10 */
1189 .enable_bit = 10,
1190 .recalc = &omap2_followparent_recalc,
1191};
1192
1193static struct clk gpt8_fck = {
1194 .name = "gpt8_fck",
1195 .parent = &func_32k_ck,
1196 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1197 CM_CORE_SEL2,
1198 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1199 .enable_bit = 10,
1200 .src_offset = 14,
1201 .recalc = &omap2_followparent_recalc,
1202};
1203
1204static struct clk gpt9_ick = {
1205 .name = "gpt9_ick",
1206 .parent = &l4_ck,
1207 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1208 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1209 .enable_bit = 11,
1210 .recalc = &omap2_followparent_recalc,
1211};
1212
1213static struct clk gpt9_fck = {
1214 .name = "gpt9_fck",
1215 .parent = &func_32k_ck,
1216 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1217 CM_CORE_SEL2,
1218 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1219 .enable_bit = 11,
1220 .src_offset = 16,
1221 .recalc = &omap2_followparent_recalc,
1222};
1223
1224static struct clk gpt10_ick = {
1225 .name = "gpt10_ick",
1226 .parent = &l4_ck,
1227 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1228 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1229 .enable_bit = 12,
1230 .recalc = &omap2_followparent_recalc,
1231};
1232
1233static struct clk gpt10_fck = {
1234 .name = "gpt10_fck",
1235 .parent = &func_32k_ck,
1236 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1237 CM_CORE_SEL2,
1238 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1239 .enable_bit = 12,
1240 .src_offset = 18,
1241 .recalc = &omap2_followparent_recalc,
1242};
1243
1244static struct clk gpt11_ick = {
1245 .name = "gpt11_ick",
1246 .parent = &l4_ck,
1247 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1248 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1249 .enable_bit = 13,
1250 .recalc = &omap2_followparent_recalc,
1251};
1252
1253static struct clk gpt11_fck = {
1254 .name = "gpt11_fck",
1255 .parent = &func_32k_ck,
1256 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1257 CM_CORE_SEL2,
1258 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1259 .enable_bit = 13,
1260 .src_offset = 20,
1261 .recalc = &omap2_followparent_recalc,
1262};
1263
1264static struct clk gpt12_ick = {
1265 .name = "gpt12_ick",
1266 .parent = &l4_ck,
1267 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1268 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* bit14 */
1269 .enable_bit = 14,
1270 .recalc = &omap2_followparent_recalc,
1271};
1272
1273static struct clk gpt12_fck = {
1274 .name = "gpt12_fck",
1275 .parent = &func_32k_ck,
1276 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1277 CM_CORE_SEL2,
1278 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1279 .enable_bit = 14,
1280 .src_offset = 22,
1281 .recalc = &omap2_followparent_recalc,
1282};
1283
1284static struct clk mcbsp1_ick = {
1285 .name = "mcbsp1_ick",
1286 .parent = &l4_ck,
1287 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1288 .enable_bit = 15,
1289 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE, /* bit16 */
1290 .recalc = &omap2_followparent_recalc,
1291};
1292
1293static struct clk mcbsp1_fck = {
1294 .name = "mcbsp1_fck",
1295 .parent = &func_96m_ck,
1296 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1297 .enable_bit = 15,
1298 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1299 .recalc = &omap2_followparent_recalc,
1300};
1301
1302static struct clk mcbsp2_ick = {
1303 .name = "mcbsp2_ick",
1304 .parent = &l4_ck,
1305 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1306 .enable_bit = 16,
1307 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1308 .recalc = &omap2_followparent_recalc,
1309};
1310
1311static struct clk mcbsp2_fck = {
1312 .name = "mcbsp2_fck",
1313 .parent = &func_96m_ck,
1314 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1315 .enable_bit = 16,
1316 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1317 .recalc = &omap2_followparent_recalc,
1318};
1319
1320static struct clk mcbsp3_ick = {
1321 .name = "mcbsp3_ick",
1322 .parent = &l4_ck,
1323 .flags = CLOCK_IN_OMAP243X,
1324 .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
1325 .enable_bit = 3,
1326 .recalc = &omap2_followparent_recalc,
1327};
1328
1329static struct clk mcbsp3_fck = {
1330 .name = "mcbsp3_fck",
1331 .parent = &func_96m_ck,
1332 .flags = CLOCK_IN_OMAP243X,
1333 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
1334 .enable_bit = 3,
1335 .recalc = &omap2_followparent_recalc,
1336};
1337
1338static struct clk mcbsp4_ick = {
1339 .name = "mcbsp4_ick",
1340 .parent = &l4_ck,
1341 .flags = CLOCK_IN_OMAP243X,
1342 .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
1343 .enable_bit = 4,
1344 .recalc = &omap2_followparent_recalc,
1345};
1346
1347static struct clk mcbsp4_fck = {
1348 .name = "mcbsp4_fck",
1349 .parent = &func_96m_ck,
1350 .flags = CLOCK_IN_OMAP243X,
1351 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
1352 .enable_bit = 4,
1353 .recalc = &omap2_followparent_recalc,
1354};
1355
1356static struct clk mcbsp5_ick = {
1357 .name = "mcbsp5_ick",
1358 .parent = &l4_ck,
1359 .flags = CLOCK_IN_OMAP243X,
1360 .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
1361 .enable_bit = 5,
1362 .recalc = &omap2_followparent_recalc,
1363};
1364
1365static struct clk mcbsp5_fck = {
1366 .name = "mcbsp5_fck",
1367 .parent = &func_96m_ck,
1368 .flags = CLOCK_IN_OMAP243X,
1369 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
1370 .enable_bit = 5,
1371 .recalc = &omap2_followparent_recalc,
1372};
1373
1374static struct clk mcspi1_ick = {
1375 .name = "mcspi1_ick",
1376 .parent = &l4_ck,
1377 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1378 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1379 .enable_bit = 17,
1380 .recalc = &omap2_followparent_recalc,
1381};
1382
1383static struct clk mcspi1_fck = {
1384 .name = "mcspi1_fck",
1385 .parent = &func_48m_ck,
1386 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1387 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1388 .enable_bit = 17,
1389 .recalc = &omap2_followparent_recalc,
1390};
1391
1392static struct clk mcspi2_ick = {
1393 .name = "mcspi2_ick",
1394 .parent = &l4_ck,
1395 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1396 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1397 .enable_bit = 18,
1398 .recalc = &omap2_followparent_recalc,
1399};
1400
1401static struct clk mcspi2_fck = {
1402 .name = "mcspi2_fck",
1403 .parent = &func_48m_ck,
1404 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1405 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1406 .enable_bit = 18,
1407 .recalc = &omap2_followparent_recalc,
1408};
1409
1410static struct clk mcspi3_ick = {
1411 .name = "mcspi3_ick",
1412 .parent = &l4_ck,
1413 .flags = CLOCK_IN_OMAP243X,
1414 .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
1415 .enable_bit = 9,
1416 .recalc = &omap2_followparent_recalc,
1417};
1418
1419static struct clk mcspi3_fck = {
1420 .name = "mcspi3_fck",
1421 .parent = &func_48m_ck,
1422 .flags = CLOCK_IN_OMAP243X,
1423 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
1424 .enable_bit = 9,
1425 .recalc = &omap2_followparent_recalc,
1426};
1427
1428static struct clk uart1_ick = {
1429 .name = "uart1_ick",
1430 .parent = &l4_ck,
1431 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1432 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1433 .enable_bit = 21,
1434 .recalc = &omap2_followparent_recalc,
1435};
1436
1437static struct clk uart1_fck = {
1438 .name = "uart1_fck",
1439 .parent = &func_48m_ck,
1440 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1441 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1442 .enable_bit = 21,
1443 .recalc = &omap2_followparent_recalc,
1444};
1445
1446static struct clk uart2_ick = {
1447 .name = "uart2_ick",
1448 .parent = &l4_ck,
1449 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1450 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1451 .enable_bit = 22,
1452 .recalc = &omap2_followparent_recalc,
1453};
1454
1455static struct clk uart2_fck = {
1456 .name = "uart2_fck",
1457 .parent = &func_48m_ck,
1458 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1459 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1460 .enable_bit = 22,
1461 .recalc = &omap2_followparent_recalc,
1462};
1463
1464static struct clk uart3_ick = {
1465 .name = "uart3_ick",
1466 .parent = &l4_ck,
1467 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1468 .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
1469 .enable_bit = 2,
1470 .recalc = &omap2_followparent_recalc,
1471};
1472
1473static struct clk uart3_fck = {
1474 .name = "uart3_fck",
1475 .parent = &func_48m_ck,
1476 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1477 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
1478 .enable_bit = 2,
1479 .recalc = &omap2_followparent_recalc,
1480};
1481
1482static struct clk gpios_ick = {
1483 .name = "gpios_ick",
1484 .parent = &l4_ck,
1485 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1486 .enable_reg = (void __iomem *)&CM_ICLKEN_WKUP,
1487 .enable_bit = 2,
1488 .recalc = &omap2_followparent_recalc,
1489};
1490
1491static struct clk gpios_fck = {
1492 .name = "gpios_fck",
1493 .parent = &func_32k_ck,
1494 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1495 .enable_reg = (void __iomem *)&CM_FCLKEN_WKUP,
1496 .enable_bit = 2,
1497 .recalc = &omap2_followparent_recalc,
1498};
1499
1500static struct clk mpu_wdt_ick = {
1501 .name = "mpu_wdt_ick",
1502 .parent = &l4_ck,
1503 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1504 .enable_reg = (void __iomem *)&CM_ICLKEN_WKUP,
1505 .enable_bit = 3,
1506 .recalc = &omap2_followparent_recalc,
1507};
1508
1509static struct clk mpu_wdt_fck = {
1510 .name = "mpu_wdt_fck",
1511 .parent = &func_32k_ck,
1512 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1513 .enable_reg = (void __iomem *)&CM_FCLKEN_WKUP,
1514 .enable_bit = 3,
1515 .recalc = &omap2_followparent_recalc,
1516};
1517
1518static struct clk sync_32k_ick = {
1519 .name = "sync_32k_ick",
1520 .parent = &l4_ck,
1521 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1522 .enable_reg = (void __iomem *)&CM_ICLKEN_WKUP,
1523 .enable_bit = 1,
1524 .recalc = &omap2_followparent_recalc,
1525};
1526static struct clk wdt1_ick = {
1527 .name = "wdt1_ick",
1528 .parent = &l4_ck,
1529 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1530 .enable_reg = (void __iomem *)&CM_ICLKEN_WKUP,
1531 .enable_bit = 4,
1532 .recalc = &omap2_followparent_recalc,
1533};
1534static struct clk omapctrl_ick = {
1535 .name = "omapctrl_ick",
1536 .parent = &l4_ck,
1537 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1538 .enable_reg = (void __iomem *)&CM_ICLKEN_WKUP,
1539 .enable_bit = 5,
1540 .recalc = &omap2_followparent_recalc,
1541};
1542static struct clk icr_ick = {
1543 .name = "icr_ick",
1544 .parent = &l4_ck,
1545 .flags = CLOCK_IN_OMAP243X,
1546 .enable_reg = (void __iomem *)&CM_ICLKEN_WKUP,
1547 .enable_bit = 6,
1548 .recalc = &omap2_followparent_recalc,
1549};
1550
1551static struct clk cam_ick = {
1552 .name = "cam_ick",
1553 .parent = &l4_ck,
1554 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1555 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1556 .enable_bit = 31,
1557 .recalc = &omap2_followparent_recalc,
1558};
1559
1560static struct clk cam_fck = {
1561 .name = "cam_fck",
1562 .parent = &func_96m_ck,
1563 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1564 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1565 .enable_bit = 31,
1566 .recalc = &omap2_followparent_recalc,
1567};
1568
1569static struct clk mailboxes_ick = {
1570 .name = "mailboxes_ick",
1571 .parent = &l4_ck,
1572 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1573 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1574 .enable_bit = 30,
1575 .recalc = &omap2_followparent_recalc,
1576};
1577
1578static struct clk wdt4_ick = {
1579 .name = "wdt4_ick",
1580 .parent = &l4_ck,
1581 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1582 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1583 .enable_bit = 29,
1584 .recalc = &omap2_followparent_recalc,
1585};
1586
1587static struct clk wdt4_fck = {
1588 .name = "wdt4_fck",
1589 .parent = &func_32k_ck,
1590 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1591 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1592 .enable_bit = 29,
1593 .recalc = &omap2_followparent_recalc,
1594};
1595
1596static struct clk wdt3_ick = {
1597 .name = "wdt3_ick",
1598 .parent = &l4_ck,
1599 .flags = CLOCK_IN_OMAP242X,
1600 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1601 .enable_bit = 28,
1602 .recalc = &omap2_followparent_recalc,
1603};
1604
1605static struct clk wdt3_fck = {
1606 .name = "wdt3_fck",
1607 .parent = &func_32k_ck,
1608 .flags = CLOCK_IN_OMAP242X,
1609 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1610 .enable_bit = 28,
1611 .recalc = &omap2_followparent_recalc,
1612};
1613
1614static struct clk mspro_ick = {
1615 .name = "mspro_ick",
1616 .parent = &l4_ck,
1617 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1618 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1619 .enable_bit = 27,
1620 .recalc = &omap2_followparent_recalc,
1621};
1622
1623static struct clk mspro_fck = {
1624 .name = "mspro_fck",
1625 .parent = &func_96m_ck,
1626 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1627 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1628 .enable_bit = 27,
1629 .recalc = &omap2_followparent_recalc,
1630};
1631
1632static struct clk mmc_ick = {
1633 .name = "mmc_ick",
1634 .parent = &l4_ck,
1635 .flags = CLOCK_IN_OMAP242X,
1636 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1637 .enable_bit = 26,
1638 .recalc = &omap2_followparent_recalc,
1639};
1640
1641static struct clk mmc_fck = {
1642 .name = "mmc_fck",
1643 .parent = &func_96m_ck,
1644 .flags = CLOCK_IN_OMAP242X,
1645 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1646 .enable_bit = 26,
1647 .recalc = &omap2_followparent_recalc,
1648};
1649
1650static struct clk fac_ick = {
1651 .name = "fac_ick",
1652 .parent = &l4_ck,
1653 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1654 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1655 .enable_bit = 25,
1656 .recalc = &omap2_followparent_recalc,
1657};
1658
1659static struct clk fac_fck = {
1660 .name = "fac_fck",
1661 .parent = &func_12m_ck,
1662 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1663 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1664 .enable_bit = 25,
1665 .recalc = &omap2_followparent_recalc,
1666};
1667
1668static struct clk eac_ick = {
1669 .name = "eac_ick",
1670 .parent = &l4_ck,
1671 .flags = CLOCK_IN_OMAP242X,
1672 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1673 .enable_bit = 24,
1674 .recalc = &omap2_followparent_recalc,
1675};
1676
1677static struct clk eac_fck = {
1678 .name = "eac_fck",
1679 .parent = &func_96m_ck,
1680 .flags = CLOCK_IN_OMAP242X,
1681 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1682 .enable_bit = 24,
1683 .recalc = &omap2_followparent_recalc,
1684};
1685
1686static struct clk hdq_ick = {
1687 .name = "hdq_ick",
1688 .parent = &l4_ck,
1689 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1690 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1691 .enable_bit = 23,
1692 .recalc = &omap2_followparent_recalc,
1693};
1694
1695static struct clk hdq_fck = {
1696 .name = "hdq_fck",
1697 .parent = &func_12m_ck,
1698 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1699 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1700 .enable_bit = 23,
1701 .recalc = &omap2_followparent_recalc,
1702};
1703
1704static struct clk i2c2_ick = {
1705 .name = "i2c2_ick",
1706 .parent = &l4_ck,
1707 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1708 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1709 .enable_bit = 20,
1710 .recalc = &omap2_followparent_recalc,
1711};
1712
1713static struct clk i2c2_fck = {
1714 .name = "i2c2_fck",
1715 .parent = &func_12m_ck,
1716 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1717 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1718 .enable_bit = 20,
1719 .recalc = &omap2_followparent_recalc,
1720};
1721
1722static struct clk i2chs2_fck = {
1723 .name = "i2chs2_fck",
1724 .parent = &func_96m_ck,
1725 .flags = CLOCK_IN_OMAP243X,
1726 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
1727 .enable_bit = 20,
1728 .recalc = &omap2_followparent_recalc,
1729};
1730
1731static struct clk i2c1_ick = {
1732 .name = "i2c1_ick",
1733 .parent = &l4_ck,
1734 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1735 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1736 .enable_bit = 19,
1737 .recalc = &omap2_followparent_recalc,
1738};
1739
1740static struct clk i2c1_fck = {
1741 .name = "i2c1_fck",
1742 .parent = &func_12m_ck,
1743 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
1744 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1745 .enable_bit = 19,
1746 .recalc = &omap2_followparent_recalc,
1747};
1748
1749static struct clk i2chs1_fck = {
1750 .name = "i2chs1_fck",
1751 .parent = &func_96m_ck,
1752 .flags = CLOCK_IN_OMAP243X,
1753 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
1754 .enable_bit = 19,
1755 .recalc = &omap2_followparent_recalc,
1756};
1757
1758static struct clk vlynq_ick = {
1759 .name = "vlynq_ick",
1760 .parent = &core_l3_ck,
1761 .flags = CLOCK_IN_OMAP242X,
1762 .enable_reg = (void __iomem *)&CM_ICLKEN1_CORE,
1763 .enable_bit = 3,
1764 .recalc = &omap2_followparent_recalc,
1765};
1766
1767static struct clk vlynq_fck = {
1768 .name = "vlynq_fck",
1769 .parent = &func_96m_ck,
1770 .flags = CLOCK_IN_OMAP242X | RATE_CKCTL | CM_CORE_SEL1 | DELAYED_APP,
1771 .enable_reg = (void __iomem *)&CM_FCLKEN1_CORE,
1772 .enable_bit = 3,
1773 .src_offset = 15,
1774 .recalc = &omap2_followparent_recalc,
1775};
1776
1777static struct clk sdrc_ick = {
1778 .name = "sdrc_ick",
1779 .parent = &l4_ck,
1780 .flags = CLOCK_IN_OMAP243X,
1781 .enable_reg = (void __iomem *)&CM_ICLKEN3_CORE,
1782 .enable_bit = 2,
1783 .recalc = &omap2_followparent_recalc,
1784};
1785
1786static struct clk des_ick = {
1787 .name = "des_ick",
1788 .parent = &l4_ck,
1789 .flags = CLOCK_IN_OMAP243X | CLOCK_IN_OMAP242X,
1790 .enable_reg = (void __iomem *)&CM_ICLKEN4_CORE,
1791 .enable_bit = 0,
1792 .recalc = &omap2_followparent_recalc,
1793};
1794
1795static struct clk sha_ick = {
1796 .name = "sha_ick",
1797 .parent = &l4_ck,
1798 .flags = CLOCK_IN_OMAP243X | CLOCK_IN_OMAP242X,
1799 .enable_reg = (void __iomem *)&CM_ICLKEN4_CORE,
1800 .enable_bit = 1,
1801 .recalc = &omap2_followparent_recalc,
1802};
1803
1804static struct clk rng_ick = {
1805 .name = "rng_ick",
1806 .parent = &l4_ck,
1807 .flags = CLOCK_IN_OMAP243X | CLOCK_IN_OMAP242X,
1808 .enable_reg = (void __iomem *)&CM_ICLKEN4_CORE,
1809 .enable_bit = 2,
1810 .recalc = &omap2_followparent_recalc,
1811};
1812
1813static struct clk aes_ick = {
1814 .name = "aes_ick",
1815 .parent = &l4_ck,
1816 .flags = CLOCK_IN_OMAP243X | CLOCK_IN_OMAP242X,
1817 .enable_reg = (void __iomem *)&CM_ICLKEN4_CORE,
1818 .enable_bit = 3,
1819 .recalc = &omap2_followparent_recalc,
1820};
1821
1822static struct clk pka_ick = {
1823 .name = "pka_ick",
1824 .parent = &l4_ck,
1825 .flags = CLOCK_IN_OMAP243X | CLOCK_IN_OMAP242X,
1826 .enable_reg = (void __iomem *)&CM_ICLKEN4_CORE,
1827 .enable_bit = 4,
1828 .recalc = &omap2_followparent_recalc,
1829};
1830
1831static struct clk usb_fck = {
1832 .name = "usb_fck",
1833 .parent = &func_48m_ck,
1834 .flags = CLOCK_IN_OMAP243X | CLOCK_IN_OMAP242X,
1835 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
1836 .enable_bit = 0,
1837 .recalc = &omap2_followparent_recalc,
1838};
1839
1840static struct clk usbhs_ick = {
1841 .name = "usbhs_ick",
1842 .parent = &l4_ck,
1843 .flags = CLOCK_IN_OMAP243X,
1844 .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
1845 .enable_bit = 6,
1846 .recalc = &omap2_followparent_recalc,
1847};
1848
1849static struct clk mmchs1_ick = {
1850 .name = "mmchs1_ick",
1851 .parent = &l4_ck,
1852 .flags = CLOCK_IN_OMAP243X,
1853 .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
1854 .enable_bit = 7,
1855 .recalc = &omap2_followparent_recalc,
1856};
1857
1858static struct clk mmchs1_fck = {
1859 .name = "mmchs1_fck",
1860 .parent = &func_96m_ck,
1861 .flags = CLOCK_IN_OMAP243X,
1862 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
1863 .enable_bit = 7,
1864 .recalc = &omap2_followparent_recalc,
1865};
1866
1867static struct clk mmchs2_ick = {
1868 .name = "mmchs2_ick",
1869 .parent = &l4_ck,
1870 .flags = CLOCK_IN_OMAP243X,
1871 .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
1872 .enable_bit = 8,
1873 .recalc = &omap2_followparent_recalc,
1874};
1875
1876static struct clk mmchs2_fck = {
1877 .name = "mmchs2_fck",
1878 .parent = &func_96m_ck,
1879 .flags = CLOCK_IN_OMAP243X,
1880 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
1881 .enable_bit = 8,
1882 .recalc = &omap2_followparent_recalc,
1883};
1884
1885static struct clk gpio5_ick = {
1886 .name = "gpio5_ick",
1887 .parent = &l4_ck,
1888 .flags = CLOCK_IN_OMAP243X,
1889 .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
1890 .enable_bit = 10,
1891 .recalc = &omap2_followparent_recalc,
1892};
1893
1894static struct clk gpio5_fck = {
1895 .name = "gpio5_fck",
1896 .parent = &func_32k_ck,
1897 .flags = CLOCK_IN_OMAP243X,
1898 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
1899 .enable_bit = 10,
1900 .recalc = &omap2_followparent_recalc,
1901};
1902
1903static struct clk mdm_intc_ick = {
1904 .name = "mdm_intc_ick",
1905 .parent = &l4_ck,
1906 .flags = CLOCK_IN_OMAP243X,
1907 .enable_reg = (void __iomem *)&CM_ICLKEN2_CORE,
1908 .enable_bit = 11,
1909 .recalc = &omap2_followparent_recalc,
1910};
1911
1912static struct clk mmchsdb1_fck = {
1913 .name = "mmchsdb1_fck",
1914 .parent = &func_32k_ck,
1915 .flags = CLOCK_IN_OMAP243X,
1916 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
1917 .enable_bit = 16,
1918 .recalc = &omap2_followparent_recalc,
1919};
1920
1921static struct clk mmchsdb2_fck = {
1922 .name = "mmchsdb2_fck",
1923 .parent = &func_32k_ck,
1924 .flags = CLOCK_IN_OMAP243X,
1925 .enable_reg = (void __iomem *)&CM_FCLKEN2_CORE,
1926 .enable_bit = 17,
1927 .recalc = &omap2_followparent_recalc,
1928};
1929
1930/*
1931 * This clock is a composite clock which does entire set changes then
1932 * forces a rebalance. It keys on the MPU speed, but it really could
1933 * be any key speed part of a set in the rate table.
1934 *
1935 * to really change a set, you need memory table sets which get changed
1936 * in sram, pre-notifiers & post notifiers, changing the top set, without
1937 * having low level display recalc's won't work... this is why dpm notifiers
1938 * work, isr's off, walk a list of clocks already _off_ and not messing with
1939 * the bus.
1940 *
1941 * This clock should have no parent. It embodies the entire upper level
1942 * active set. A parent will mess up some of the init also.
1943 */
1944static struct clk virt_prcm_set = {
1945 .name = "virt_prcm_set",
1946 .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
1947 VIRTUAL_CLOCK | ALWAYS_ENABLED | DELAYED_APP,
1948 .parent = &mpu_ck, /* Indexed by mpu speed, no parent */
1949 .recalc = &omap2_mpu_recalc, /* sets are keyed on mpu rate */
1950 .set_rate = &omap2_select_table_rate,
1951 .round_rate = &omap2_round_to_table_rate,
1952};
1953
1954static struct clk *onchip_clks[] = {
1955 /* external root sources */
1956 &func_32k_ck,
1957 &osc_ck,
1958 &sys_ck,
1959 &alt_ck,
1960 /* internal analog sources */
1961 &dpll_ck,
1962 &apll96_ck,
1963 &apll54_ck,
1964 /* internal prcm root sources */
1965 &func_54m_ck,
1966 &core_ck,
1967 &sleep_ck,
1968 &func_96m_ck,
1969 &func_48m_ck,
1970 &func_12m_ck,
1971 &wdt1_osc_ck,
1972 &sys_clkout,
1973 &sys_clkout2,
1974 /* mpu domain clocks */
1975 &mpu_ck,
1976 /* dsp domain clocks */
1977 &iva2_1_fck, /* 2430 */
1978 &iva2_1_ick,
1979 &dsp_ick, /* 2420 */
1980 &dsp_fck,
1981 &iva1_ifck,
1982 &iva1_mpu_int_ifck,
1983 /* GFX domain clocks */
1984 &gfx_3d_fck,
1985 &gfx_2d_fck,
1986 &gfx_ick,
1987 /* Modem domain clocks */
1988 &mdm_ick,
1989 &mdm_osc_ck,
1990 /* DSS domain clocks */
1991 &dss_ick,
1992 &dss1_fck,
1993 &dss2_fck,
1994 &dss_54m_fck,
1995 /* L3 domain clocks */
1996 &core_l3_ck,
1997 &ssi_ssr_sst_fck,
1998 &usb_l4_ick,
1999 /* L4 domain clocks */
2000 &l4_ck, /* used as both core_l4 and wu_l4 */
2001 &ssi_l4_ick,
2002 /* virtual meta-group clock */
2003 &virt_prcm_set,
2004 /* general l4 interface ck, multi-parent functional clk */
2005 &gpt1_ick,
2006 &gpt1_fck,
2007 &gpt2_ick,
2008 &gpt2_fck,
2009 &gpt3_ick,
2010 &gpt3_fck,
2011 &gpt4_ick,
2012 &gpt4_fck,
2013 &gpt5_ick,
2014 &gpt5_fck,
2015 &gpt6_ick,
2016 &gpt6_fck,
2017 &gpt7_ick,
2018 &gpt7_fck,
2019 &gpt8_ick,
2020 &gpt8_fck,
2021 &gpt9_ick,
2022 &gpt9_fck,
2023 &gpt10_ick,
2024 &gpt10_fck,
2025 &gpt11_ick,
2026 &gpt11_fck,
2027 &gpt12_ick,
2028 &gpt12_fck,
2029 &mcbsp1_ick,
2030 &mcbsp1_fck,
2031 &mcbsp2_ick,
2032 &mcbsp2_fck,
2033 &mcbsp3_ick,
2034 &mcbsp3_fck,
2035 &mcbsp4_ick,
2036 &mcbsp4_fck,
2037 &mcbsp5_ick,
2038 &mcbsp5_fck,
2039 &mcspi1_ick,
2040 &mcspi1_fck,
2041 &mcspi2_ick,
2042 &mcspi2_fck,
2043 &mcspi3_ick,
2044 &mcspi3_fck,
2045 &uart1_ick,
2046 &uart1_fck,
2047 &uart2_ick,
2048 &uart2_fck,
2049 &uart3_ick,
2050 &uart3_fck,
2051 &gpios_ick,
2052 &gpios_fck,
2053 &mpu_wdt_ick,
2054 &mpu_wdt_fck,
2055 &sync_32k_ick,
2056 &wdt1_ick,
2057 &omapctrl_ick,
2058 &icr_ick,
2059 &cam_fck,
2060 &cam_ick,
2061 &mailboxes_ick,
2062 &wdt4_ick,
2063 &wdt4_fck,
2064 &wdt3_ick,
2065 &wdt3_fck,
2066 &mspro_ick,
2067 &mspro_fck,
2068 &mmc_ick,
2069 &mmc_fck,
2070 &fac_ick,
2071 &fac_fck,
2072 &eac_ick,
2073 &eac_fck,
2074 &hdq_ick,
2075 &hdq_fck,
2076 &i2c1_ick,
2077 &i2c1_fck,
2078 &i2chs1_fck,
2079 &i2c2_ick,
2080 &i2c2_fck,
2081 &i2chs2_fck,
2082 &vlynq_ick,
2083 &vlynq_fck,
2084 &sdrc_ick,
2085 &des_ick,
2086 &sha_ick,
2087 &rng_ick,
2088 &aes_ick,
2089 &pka_ick,
2090 &usb_fck,
2091 &usbhs_ick,
2092 &mmchs1_ick,
2093 &mmchs1_fck,
2094 &mmchs2_ick,
2095 &mmchs2_fck,
2096 &gpio5_ick,
2097 &gpio5_fck,
2098 &mdm_intc_ick,
2099 &mmchsdb1_fck,
2100 &mmchsdb2_fck,
2101};
2102
2103#endif
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
new file mode 100644
index 000000000000..7181edb89352
--- /dev/null
+++ b/arch/arm/mach-omap2/devices.c
@@ -0,0 +1,89 @@
1/*
2 * linux/arch/arm/mach-omap2/devices.c
3 *
4 * OMAP2 platform device setup/initialization
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 */
11
12#include <linux/config.h>
13#include <linux/module.h>
14#include <linux/kernel.h>
15#include <linux/init.h>
16#include <linux/platform_device.h>
17
18#include <asm/hardware.h>
19#include <asm/io.h>
20#include <asm/mach-types.h>
21#include <asm/mach/map.h>
22
23#include <asm/arch/tc.h>
24#include <asm/arch/board.h>
25#include <asm/arch/mux.h>
26#include <asm/arch/gpio.h>
27
28extern void omap_nop_release(struct device *dev);
29
30/*-------------------------------------------------------------------------*/
31
32#if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
33
34#define OMAP2_I2C_BASE2 0x48072000
35#define OMAP2_I2C_INT2 57
36
37static struct resource i2c_resources2[] = {
38 {
39 .start = OMAP2_I2C_BASE2,
40 .end = OMAP2_I2C_BASE2 + 0x3f,
41 .flags = IORESOURCE_MEM,
42 },
43 {
44 .start = OMAP2_I2C_INT2,
45 .flags = IORESOURCE_IRQ,
46 },
47};
48
49static struct platform_device omap_i2c_device2 = {
50 .name = "i2c_omap",
51 .id = 2,
52 .dev = {
53 .release = omap_nop_release,
54 },
55 .num_resources = ARRAY_SIZE(i2c_resources2),
56 .resource = i2c_resources2,
57};
58
59/* See also arch/arm/plat-omap/devices.c for first I2C on 24xx */
60static void omap_init_i2c(void)
61{
62 /* REVISIT: Second I2C not in use on H4? */
63 if (machine_is_omap_h4())
64 return;
65
66 omap_cfg_reg(J15_24XX_I2C2_SCL);
67 omap_cfg_reg(H19_24XX_I2C2_SDA);
68 (void) platform_device_register(&omap_i2c_device2);
69}
70
71#else
72
73static void omap_init_i2c(void) {}
74
75#endif
76
77/*-------------------------------------------------------------------------*/
78
79static int __init omap2_init_devices(void)
80{
81 /* please keep these calls, and their implementations above,
82 * in alphabetical order so they're easier to sort through.
83 */
84 omap_init_i2c();
85
86 return 0;
87}
88arch_initcall(omap2_init_devices);
89
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
new file mode 100644
index 000000000000..76187300f2b6
--- /dev/null
+++ b/arch/arm/mach-omap2/id.c
@@ -0,0 +1,124 @@
1/*
2 * linux/arch/arm/mach-omap2/id.c
3 *
4 * OMAP2 CPU identification code
5 *
6 * Copyright (C) 2005 Nokia Corporation
7 * Written by Tony Lindgren <tony@atomide.com>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13
14#include <linux/config.h>
15#include <linux/module.h>
16#include <linux/kernel.h>
17#include <linux/init.h>
18
19#include <asm/io.h>
20
21#define OMAP24XX_TAP_BASE io_p2v(0x48014000)
22
23#define OMAP_TAP_IDCODE 0x0204
24#define OMAP_TAP_PROD_ID 0x0208
25
26#define OMAP_TAP_DIE_ID_0 0x0218
27#define OMAP_TAP_DIE_ID_1 0x021C
28#define OMAP_TAP_DIE_ID_2 0x0220
29#define OMAP_TAP_DIE_ID_3 0x0224
30
31/* system_rev fields for OMAP2 processors:
32 * CPU id bits [31:16],
33 * CPU device type [15:12], (unprg,normal,POP)
34 * CPU revision [11:08]
35 * CPU class bits [07:00]
36 */
37
38struct omap_id {
39 u16 hawkeye; /* Silicon type (Hawkeye id) */
40 u8 dev; /* Device type from production_id reg */
41 u32 type; /* combined type id copied to system_rev */
42};
43
44/* Register values to detect the OMAP version */
45static struct omap_id omap_ids[] __initdata = {
46 { .hawkeye = 0xb5d9, .dev = 0x0, .type = 0x24200000 },
47 { .hawkeye = 0xb5d9, .dev = 0x1, .type = 0x24201000 },
48 { .hawkeye = 0xb5d9, .dev = 0x2, .type = 0x24202000 },
49 { .hawkeye = 0xb5d9, .dev = 0x4, .type = 0x24220000 },
50 { .hawkeye = 0xb5d9, .dev = 0x8, .type = 0x24230000 },
51 { .hawkeye = 0xb68a, .dev = 0x0, .type = 0x24300000 },
52};
53
54static u32 __init read_tap_reg(int reg)
55{
56 return __raw_readl(OMAP24XX_TAP_BASE + reg);
57}
58
59void __init omap2_check_revision(void)
60{
61 int i, j;
62 u32 idcode;
63 u32 prod_id;
64 u16 hawkeye;
65 u8 dev_type;
66 u8 rev;
67
68 idcode = read_tap_reg(OMAP_TAP_IDCODE);
69 prod_id = read_tap_reg(OMAP_TAP_PROD_ID);
70 hawkeye = (idcode >> 12) & 0xffff;
71 rev = (idcode >> 28) & 0x0f;
72 dev_type = (prod_id >> 16) & 0x0f;
73
74#ifdef DEBUG
75 printk(KERN_DEBUG "OMAP_TAP_IDCODE 0x%08x REV %i HAWKEYE 0x%04x MANF %03x\n",
76 idcode, rev, hawkeye, (idcode >> 1) & 0x7ff);
77 printk(KERN_DEBUG "OMAP_TAP_DIE_ID_0: 0x%08x\n",
78 read_tap_reg(OMAP_TAP_DIE_ID_0));
79 printk(KERN_DEBUG "OMAP_TAP_DIE_ID_1: 0x%08x DEV_REV: %i\n",
80 read_tap_reg(OMAP_TAP_DIE_ID_1),
81 (read_tap_reg(OMAP_TAP_DIE_ID_1) >> 28) & 0xf);
82 printk(KERN_DEBUG "OMAP_TAP_DIE_ID_2: 0x%08x\n",
83 read_tap_reg(OMAP_TAP_DIE_ID_2));
84 printk(KERN_DEBUG "OMAP_TAP_DIE_ID_3: 0x%08x\n",
85 read_tap_reg(OMAP_TAP_DIE_ID_3));
86 printk(KERN_DEBUG "OMAP_TAP_PROD_ID_0: 0x%08x DEV_TYPE: %i\n",
87 prod_id, dev_type);
88#endif
89
90 /* Check hawkeye ids */
91 for (i = 0; i < ARRAY_SIZE(omap_ids); i++) {
92 if (hawkeye == omap_ids[i].hawkeye)
93 break;
94 }
95
96 if (i == ARRAY_SIZE(omap_ids)) {
97 printk(KERN_ERR "Unknown OMAP CPU id\n");
98 return;
99 }
100
101 for (j = i; j < ARRAY_SIZE(omap_ids); j++) {
102 if (dev_type == omap_ids[j].dev)
103 break;
104 }
105
106 if (j == ARRAY_SIZE(omap_ids)) {
107 printk(KERN_ERR "Unknown OMAP device type. "
108 "Handling it as OMAP%04x\n",
109 omap_ids[i].type >> 16);
110 j = i;
111 }
112 system_rev = omap_ids[j].type;
113
114 system_rev |= rev << 8;
115
116 /* Add the cpu class info (24xx) */
117 system_rev |= 0x24;
118
119 pr_info("OMAP%04x", system_rev >> 16);
120 if ((system_rev >> 8) & 0x0f)
121 printk("%x", (system_rev >> 8) & 0x0f);
122 printk("\n");
123}
124
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
new file mode 100644
index 000000000000..8ea67bf196a5
--- /dev/null
+++ b/arch/arm/mach-omap2/io.c
@@ -0,0 +1,53 @@
1/*
2 * linux/arch/arm/mach-omap2/io.c
3 *
4 * OMAP2 I/O mapping code
5 *
6 * Copyright (C) 2005 Nokia Corporation
7 * Author: Juha Yrjölä <juha.yrjola@nokia.com>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13
14#include <linux/config.h>
15#include <linux/module.h>
16#include <linux/kernel.h>
17#include <linux/init.h>
18
19#include <asm/mach/map.h>
20#include <asm/io.h>
21#include <asm/arch/mux.h>
22
23extern void omap_sram_init(void);
24extern int omap2_clk_init(void);
25extern void omap2_check_revision(void);
26
27/*
28 * The machine specific code may provide the extra mapping besides the
29 * default mapping provided here.
30 */
31static struct map_desc omap2_io_desc[] __initdata = {
32 {
33 .virtual = L3_24XX_VIRT,
34 .pfn = __phys_to_pfn(L3_24XX_PHYS),
35 .length = L3_24XX_SIZE,
36 .type = MT_DEVICE
37 },
38 {
39 .virtual = L4_24XX_VIRT,
40 .pfn = __phys_to_pfn(L4_24XX_PHYS),
41 .length = L4_24XX_SIZE,
42 .type = MT_DEVICE
43 }
44};
45
46void __init omap_map_common_io(void)
47{
48 iotable_init(omap2_io_desc, ARRAY_SIZE(omap2_io_desc));
49 omap2_check_revision();
50 omap_sram_init();
51 omap2_mux_init();
52 omap2_clk_init();
53}
diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c
new file mode 100644
index 000000000000..d7baff675cfe
--- /dev/null
+++ b/arch/arm/mach-omap2/irq.c
@@ -0,0 +1,149 @@
1/*
2 * linux/arch/arm/mach-omap/omap2/irq.c
3 *
4 * Interrupt handler for OMAP2 boards.
5 *
6 * Copyright (C) 2005 Nokia Corporation
7 * Author: Paul Mundt <paul.mundt@nokia.com>
8 *
9 * This file is subject to the terms and conditions of the GNU General Public
10 * License. See the file "COPYING" in the main directory of this archive
11 * for more details.
12 */
13#include <linux/kernel.h>
14#include <linux/init.h>
15#include <linux/config.h>
16#include <linux/interrupt.h>
17#include <asm/hardware.h>
18#include <asm/mach/irq.h>
19#include <asm/irq.h>
20#include <asm/io.h>
21
22#define INTC_REVISION 0x0000
23#define INTC_SYSCONFIG 0x0010
24#define INTC_SYSSTATUS 0x0014
25#define INTC_CONTROL 0x0048
26#define INTC_MIR_CLEAR0 0x0088
27#define INTC_MIR_SET0 0x008c
28
29/*
30 * OMAP2 has a number of different interrupt controllers, each interrupt
31 * controller is identified as its own "bank". Register definitions are
32 * fairly consistent for each bank, but not all registers are implemented
33 * for each bank.. when in doubt, consult the TRM.
34 */
35static struct omap_irq_bank {
36 unsigned long base_reg;
37 unsigned int nr_irqs;
38} __attribute__ ((aligned(4))) irq_banks[] = {
39 {
40 /* MPU INTC */
41 .base_reg = OMAP24XX_IC_BASE,
42 .nr_irqs = 96,
43 }, {
44 /* XXX: DSP INTC */
45
46#if 0
47 /*
48 * Commented out for now until we fix the IVA clocking
49 */
50#ifdef CONFIG_ARCH_OMAP2420
51 }, {
52 /* IVA INTC (2420 only) */
53 .base_reg = OMAP24XX_IVA_INTC_BASE,
54 .nr_irqs = 16, /* Actually 32, but only 16 are used */
55#endif
56#endif
57 }
58};
59
60/* XXX: FIQ and additional INTC support (only MPU at the moment) */
61static void omap_ack_irq(unsigned int irq)
62{
63 omap_writel(0x1, irq_banks[0].base_reg + INTC_CONTROL);
64}
65
66static void omap_mask_irq(unsigned int irq)
67{
68 int offset = (irq >> 5) << 5;
69
70 if (irq >= 64) {
71 irq %= 64;
72 } else if (irq >= 32) {
73 irq %= 32;
74 }
75
76 omap_writel(1 << irq, irq_banks[0].base_reg + INTC_MIR_SET0 + offset);
77}
78
79static void omap_unmask_irq(unsigned int irq)
80{
81 int offset = (irq >> 5) << 5;
82
83 if (irq >= 64) {
84 irq %= 64;
85 } else if (irq >= 32) {
86 irq %= 32;
87 }
88
89 omap_writel(1 << irq, irq_banks[0].base_reg + INTC_MIR_CLEAR0 + offset);
90}
91
92static void omap_mask_ack_irq(unsigned int irq)
93{
94 omap_mask_irq(irq);
95 omap_ack_irq(irq);
96}
97
98static struct irqchip omap_irq_chip = {
99 .ack = omap_mask_ack_irq,
100 .mask = omap_mask_irq,
101 .unmask = omap_unmask_irq,
102};
103
104static void __init omap_irq_bank_init_one(struct omap_irq_bank *bank)
105{
106 unsigned long tmp;
107
108 tmp = omap_readl(bank->base_reg + INTC_REVISION) & 0xff;
109 printk(KERN_INFO "IRQ: Found an INTC at 0x%08lx "
110 "(revision %ld.%ld) with %d interrupts\n",
111 bank->base_reg, tmp >> 4, tmp & 0xf, bank->nr_irqs);
112
113 tmp = omap_readl(bank->base_reg + INTC_SYSCONFIG);
114 tmp |= 1 << 1; /* soft reset */
115 omap_writel(tmp, bank->base_reg + INTC_SYSCONFIG);
116
117 while (!(omap_readl(bank->base_reg + INTC_SYSSTATUS) & 0x1))
118 /* Wait for reset to complete */;
119}
120
121void __init omap_init_irq(void)
122{
123 unsigned long nr_irqs = 0;
124 unsigned int nr_banks = 0;
125 int i;
126
127 for (i = 0; i < ARRAY_SIZE(irq_banks); i++) {
128 struct omap_irq_bank *bank = irq_banks + i;
129
130 /* XXX */
131 if (!bank->base_reg)
132 continue;
133
134 omap_irq_bank_init_one(bank);
135
136 nr_irqs += bank->nr_irqs;
137 nr_banks++;
138 }
139
140 printk(KERN_INFO "Total of %ld interrupts on %d active controller%s\n",
141 nr_irqs, nr_banks, nr_banks > 1 ? "s" : "");
142
143 for (i = 0; i < nr_irqs; i++) {
144 set_irq_chip(i, &omap_irq_chip);
145 set_irq_handler(i, do_level_IRQ);
146 set_irq_flags(i, IRQF_VALID);
147 }
148}
149
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
new file mode 100644
index 000000000000..ea4654815dd1
--- /dev/null
+++ b/arch/arm/mach-omap2/mux.c
@@ -0,0 +1,65 @@
1/*
2 * linux/arch/arm/mach-omap2/mux.c
3 *
4 * OMAP1 pin multiplexing configurations
5 *
6 * Copyright (C) 2003 - 2005 Nokia Corporation
7 *
8 * Written by Tony Lindgren <tony.lindgren@nokia.com>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 *
24 */
25#include <linux/config.h>
26#include <linux/module.h>
27#include <linux/init.h>
28#include <asm/system.h>
29#include <asm/io.h>
30#include <linux/spinlock.h>
31
32#include <asm/arch/mux.h>
33
34#ifdef CONFIG_OMAP_MUX
35
36/* NOTE: See mux.h for the enumeration */
37
38struct pin_config __initdata_or_module omap24xx_pins[] = {
39/*
40 * description mux mux pull pull debug
41 * offset mode ena type
42 */
43
44/* 24xx I2C */
45MUX_CFG_24XX("M19_24XX_I2C1_SCL", 0x111, 0, 0, 0, 1)
46MUX_CFG_24XX("L15_24XX_I2C1_SDA", 0x112, 0, 0, 0, 1)
47MUX_CFG_24XX("J15_24XX_I2C2_SCL", 0x113, 0, 0, 0, 1)
48MUX_CFG_24XX("H19_24XX_I2C2_SDA", 0x114, 0, 0, 0, 1)
49
50/* Menelaus interrupt */
51MUX_CFG_24XX("W19_24XX_SYS_NIRQ", 0x12c, 0, 1, 1, 1)
52
53/* 24xx GPIO */
54MUX_CFG_24XX("Y20_24XX_GPIO60", 0x12c, 3, 0, 0, 1)
55MUX_CFG_24XX("M15_24XX_GPIO92", 0x10a, 3, 0, 0, 1)
56
57};
58
59int __init omap2_mux_init(void)
60{
61 omap_mux_register(omap24xx_pins, ARRAY_SIZE(omap24xx_pins));
62 return 0;
63}
64
65#endif
diff --git a/arch/arm/mach-omap2/prcm.h b/arch/arm/mach-omap2/prcm.h
new file mode 100644
index 000000000000..2eb89b936c83
--- /dev/null
+++ b/arch/arm/mach-omap2/prcm.h
@@ -0,0 +1,419 @@
1/*
2 * prcm.h - Access definations for use in OMAP24XX clock and power management
3 *
4 * Copyright (C) 2005 Texas Instruments, Inc.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#ifndef __ASM_ARM_ARCH_DPM_PRCM_H
22#define __ASM_ARM_ARCH_DPM_PRCM_H
23
24/* SET_PERFORMANCE_LEVEL PARAMETERS */
25#define PRCM_HALF_SPEED 1
26#define PRCM_FULL_SPEED 2
27
28#ifndef __ASSEMBLER__
29
30#define PRCM_REG32(offset) __REG32(OMAP24XX_PRCM_BASE + (offset))
31
32#define PRCM_REVISION PRCM_REG32(0x000)
33#define PRCM_SYSCONFIG PRCM_REG32(0x010)
34#define PRCM_IRQSTATUS_MPU PRCM_REG32(0x018)
35#define PRCM_IRQENABLE_MPU PRCM_REG32(0x01C)
36#define PRCM_VOLTCTRL PRCM_REG32(0x050)
37#define PRCM_VOLTST PRCM_REG32(0x054)
38#define PRCM_CLKSRC_CTRL PRCM_REG32(0x060)
39#define PRCM_CLKOUT_CTRL PRCM_REG32(0x070)
40#define PRCM_CLKEMUL_CTRL PRCM_REG32(0x078)
41#define PRCM_CLKCFG_CTRL PRCM_REG32(0x080)
42#define PRCM_CLKCFG_STATUS PRCM_REG32(0x084)
43#define PRCM_VOLTSETUP PRCM_REG32(0x090)
44#define PRCM_CLKSSETUP PRCM_REG32(0x094)
45#define PRCM_POLCTRL PRCM_REG32(0x098)
46
47/* GENERAL PURPOSE */
48#define GENERAL_PURPOSE1 PRCM_REG32(0x0B0)
49#define GENERAL_PURPOSE2 PRCM_REG32(0x0B4)
50#define GENERAL_PURPOSE3 PRCM_REG32(0x0B8)
51#define GENERAL_PURPOSE4 PRCM_REG32(0x0BC)
52#define GENERAL_PURPOSE5 PRCM_REG32(0x0C0)
53#define GENERAL_PURPOSE6 PRCM_REG32(0x0C4)
54#define GENERAL_PURPOSE7 PRCM_REG32(0x0C8)
55#define GENERAL_PURPOSE8 PRCM_REG32(0x0CC)
56#define GENERAL_PURPOSE9 PRCM_REG32(0x0D0)
57#define GENERAL_PURPOSE10 PRCM_REG32(0x0D4)
58#define GENERAL_PURPOSE11 PRCM_REG32(0x0D8)
59#define GENERAL_PURPOSE12 PRCM_REG32(0x0DC)
60#define GENERAL_PURPOSE13 PRCM_REG32(0x0E0)
61#define GENERAL_PURPOSE14 PRCM_REG32(0x0E4)
62#define GENERAL_PURPOSE15 PRCM_REG32(0x0E8)
63#define GENERAL_PURPOSE16 PRCM_REG32(0x0EC)
64#define GENERAL_PURPOSE17 PRCM_REG32(0x0F0)
65#define GENERAL_PURPOSE18 PRCM_REG32(0x0F4)
66#define GENERAL_PURPOSE19 PRCM_REG32(0x0F8)
67#define GENERAL_PURPOSE20 PRCM_REG32(0x0FC)
68
69/* MPU */
70#define CM_CLKSEL_MPU PRCM_REG32(0x140)
71#define CM_CLKSTCTRL_MPU PRCM_REG32(0x148)
72#define RM_RSTST_MPU PRCM_REG32(0x158)
73#define PM_WKDEP_MPU PRCM_REG32(0x1C8)
74#define PM_EVGENCTRL_MPU PRCM_REG32(0x1D4)
75#define PM_EVEGENONTIM_MPU PRCM_REG32(0x1D8)
76#define PM_EVEGENOFFTIM_MPU PRCM_REG32(0x1DC)
77#define PM_PWSTCTRL_MPU PRCM_REG32(0x1E0)
78#define PM_PWSTST_MPU PRCM_REG32(0x1E4)
79
80/* CORE */
81#define CM_FCLKEN1_CORE PRCM_REG32(0x200)
82#define CM_FCLKEN2_CORE PRCM_REG32(0x204)
83#define CM_FCLKEN3_CORE PRCM_REG32(0x208)
84#define CM_ICLKEN1_CORE PRCM_REG32(0x210)
85#define CM_ICLKEN2_CORE PRCM_REG32(0x214)
86#define CM_ICLKEN3_CORE PRCM_REG32(0x218)
87#define CM_ICLKEN4_CORE PRCM_REG32(0x21C)
88#define CM_IDLEST1_CORE PRCM_REG32(0x220)
89#define CM_IDLEST2_CORE PRCM_REG32(0x224)
90#define CM_IDLEST3_CORE PRCM_REG32(0x228)
91#define CM_IDLEST4_CORE PRCM_REG32(0x22C)
92#define CM_AUTOIDLE1_CORE PRCM_REG32(0x230)
93#define CM_AUTOIDLE2_CORE PRCM_REG32(0x234)
94#define CM_AUTOIDLE3_CORE PRCM_REG32(0x238)
95#define CM_AUTOIDLE4_CORE PRCM_REG32(0x23C)
96#define CM_CLKSEL1_CORE PRCM_REG32(0x240)
97#define CM_CLKSEL2_CORE PRCM_REG32(0x244)
98#define CM_CLKSTCTRL_CORE PRCM_REG32(0x248)
99#define PM_WKEN1_CORE PRCM_REG32(0x2A0)
100#define PM_WKEN2_CORE PRCM_REG32(0x2A4)
101#define PM_WKST1_CORE PRCM_REG32(0x2B0)
102#define PM_WKST2_CORE PRCM_REG32(0x2B4)
103#define PM_WKDEP_CORE PRCM_REG32(0x2C8)
104#define PM_PWSTCTRL_CORE PRCM_REG32(0x2E0)
105#define PM_PWSTST_CORE PRCM_REG32(0x2E4)
106
107/* GFX */
108#define CM_FCLKEN_GFX PRCM_REG32(0x300)
109#define CM_ICLKEN_GFX PRCM_REG32(0x310)
110#define CM_IDLEST_GFX PRCM_REG32(0x320)
111#define CM_CLKSEL_GFX PRCM_REG32(0x340)
112#define CM_CLKSTCTRL_GFX PRCM_REG32(0x348)
113#define RM_RSTCTRL_GFX PRCM_REG32(0x350)
114#define RM_RSTST_GFX PRCM_REG32(0x358)
115#define PM_WKDEP_GFX PRCM_REG32(0x3C8)
116#define PM_PWSTCTRL_GFX PRCM_REG32(0x3E0)
117#define PM_PWSTST_GFX PRCM_REG32(0x3E4)
118
119/* WAKE-UP */
120#define CM_FCLKEN_WKUP PRCM_REG32(0x400)
121#define CM_ICLKEN_WKUP PRCM_REG32(0x410)
122#define CM_IDLEST_WKUP PRCM_REG32(0x420)
123#define CM_AUTOIDLE_WKUP PRCM_REG32(0x430)
124#define CM_CLKSEL_WKUP PRCM_REG32(0x440)
125#define RM_RSTCTRL_WKUP PRCM_REG32(0x450)
126#define RM_RSTTIME_WKUP PRCM_REG32(0x454)
127#define RM_RSTST_WKUP PRCM_REG32(0x458)
128#define PM_WKEN_WKUP PRCM_REG32(0x4A0)
129#define PM_WKST_WKUP PRCM_REG32(0x4B0)
130
131/* CLOCKS */
132#define CM_CLKEN_PLL PRCM_REG32(0x500)
133#define CM_IDLEST_CKGEN PRCM_REG32(0x520)
134#define CM_AUTOIDLE_PLL PRCM_REG32(0x530)
135#define CM_CLKSEL1_PLL PRCM_REG32(0x540)
136#define CM_CLKSEL2_PLL PRCM_REG32(0x544)
137
138/* DSP */
139#define CM_FCLKEN_DSP PRCM_REG32(0x800)
140#define CM_ICLKEN_DSP PRCM_REG32(0x810)
141#define CM_IDLEST_DSP PRCM_REG32(0x820)
142#define CM_AUTOIDLE_DSP PRCM_REG32(0x830)
143#define CM_CLKSEL_DSP PRCM_REG32(0x840)
144#define CM_CLKSTCTRL_DSP PRCM_REG32(0x848)
145#define RM_RSTCTRL_DSP PRCM_REG32(0x850)
146#define RM_RSTST_DSP PRCM_REG32(0x858)
147#define PM_WKEN_DSP PRCM_REG32(0x8A0)
148#define PM_WKDEP_DSP PRCM_REG32(0x8C8)
149#define PM_PWSTCTRL_DSP PRCM_REG32(0x8E0)
150#define PM_PWSTST_DSP PRCM_REG32(0x8E4)
151#define PRCM_IRQSTATUS_DSP PRCM_REG32(0x8F0)
152#define PRCM_IRQENABLE_DSP PRCM_REG32(0x8F4)
153
154/* IVA */
155#define PRCM_IRQSTATUS_IVA PRCM_REG32(0x8F8)
156#define PRCM_IRQENABLE_IVA PRCM_REG32(0x8FC)
157
158/* Modem on 2430 */
159#define CM_FCLKEN_MDM PRCM_REG32(0xC00)
160#define CM_ICLKEN_MDM PRCM_REG32(0xC10)
161#define CM_IDLEST_MDM PRCM_REG32(0xC20)
162#define CM_CLKSEL_MDM PRCM_REG32(0xC40)
163
164/* FIXME: Move to header for 2430 */
165#define DISP_BASE (OMAP24XX_L4_IO_BASE+0x50000)
166#define DISP_REG32(offset) __REG32(DISP_BASE + (offset))
167
168#define GPMC_BASE (OMAP24XX_GPMC_BASE)
169#define GPMC_REG32(offset) __REG32(GPMC_BASE + (offset))
170
171#define GPT1_BASE (OMAP24XX_GPT1)
172#define GPT1_REG32(offset) __REG32(GPT1_BASE + (offset))
173
174/* Misc sysconfig */
175#define DISPC_SYSCONFIG DISP_REG32(0x410)
176#define SPI_BASE (OMAP24XX_L4_IO_BASE+0x98000)
177#define MCSPI1_SYSCONFIG __REG32(SPI_BASE + 0x10)
178#define MCSPI2_SYSCONFIG __REG32(SPI_BASE+0x2000 + 0x10)
179
180//#define DSP_MMU_SYSCONFIG 0x5A000010
181#define CAMERA_MMU_SYSCONFIG __REG32(DISP_BASE+0x2C10)
182//#define IVA_MMU_SYSCONFIG 0x5D000010
183//#define DSP_DMA_SYSCONFIG 0x00FCC02C
184#define CAMERA_DMA_SYSCONFIG __REG32(DISP_BASE+0x282C)
185#define SYSTEM_DMA_SYSCONFIG __REG32(DISP_BASE+0x602C)
186#define GPMC_SYSCONFIG GPMC_REG32(0x010)
187#define MAILBOXES_SYSCONFIG __REG32(OMAP24XX_L4_IO_BASE+0x94010)
188#define UART1_SYSCONFIG __REG32(OMAP24XX_L4_IO_BASE+0x6A054)
189#define UART2_SYSCONFIG __REG32(OMAP24XX_L4_IO_BASE+0x6C054)
190#define UART3_SYSCONFIG __REG32(OMAP24XX_L4_IO_BASE+0x6E054)
191//#define IVA_SYSCONFIG 0x5C060010
192#define SDRC_SYSCONFIG __REG32(OMAP24XX_SDRC_BASE+0x10)
193#define SMS_SYSCONFIG __REG32(OMAP24XX_SMS_BASE+0x10)
194#define SSI_SYSCONFIG __REG32(DISP_BASE+0x8010)
195//#define VLYNQ_SYSCONFIG 0x67FFFE10
196
197/* rkw - good cannidates for PM_ to start what nm was trying */
198#define OMAP24XX_GPT2 (OMAP24XX_L4_IO_BASE+0x2A000)
199#define OMAP24XX_GPT3 (OMAP24XX_L4_IO_BASE+0x78000)
200#define OMAP24XX_GPT4 (OMAP24XX_L4_IO_BASE+0x7A000)
201#define OMAP24XX_GPT5 (OMAP24XX_L4_IO_BASE+0x7C000)
202#define OMAP24XX_GPT6 (OMAP24XX_L4_IO_BASE+0x7E000)
203#define OMAP24XX_GPT7 (OMAP24XX_L4_IO_BASE+0x80000)
204#define OMAP24XX_GPT8 (OMAP24XX_L4_IO_BASE+0x82000)
205#define OMAP24XX_GPT9 (OMAP24XX_L4_IO_BASE+0x84000)
206#define OMAP24XX_GPT10 (OMAP24XX_L4_IO_BASE+0x86000)
207#define OMAP24XX_GPT11 (OMAP24XX_L4_IO_BASE+0x88000)
208#define OMAP24XX_GPT12 (OMAP24XX_L4_IO_BASE+0x8A000)
209
210#define GPTIMER1_SYSCONFIG GPT1_REG32(0x010)
211#define GPTIMER2_SYSCONFIG __REG32(OMAP24XX_GPT2 + 0x10)
212#define GPTIMER3_SYSCONFIG __REG32(OMAP24XX_GPT3 + 0x10)
213#define GPTIMER4_SYSCONFIG __REG32(OMAP24XX_GPT4 + 0x10)
214#define GPTIMER5_SYSCONFIG __REG32(OMAP24XX_GPT5 + 0x10)
215#define GPTIMER6_SYSCONFIG __REG32(OMAP24XX_GPT6 + 0x10)
216#define GPTIMER7_SYSCONFIG __REG32(OMAP24XX_GPT7 + 0x10)
217#define GPTIMER8_SYSCONFIG __REG32(OMAP24XX_GPT8 + 0x10)
218#define GPTIMER9_SYSCONFIG __REG32(OMAP24XX_GPT9 + 0x10)
219#define GPTIMER10_SYSCONFIG __REG32(OMAP24XX_GPT10 + 0x10)
220#define GPTIMER11_SYSCONFIG __REG32(OMAP24XX_GPT11 + 0x10)
221#define GPTIMER12_SYSCONFIG __REG32(OMAP24XX_GPT12 + 0x10)
222
223#define GPIOX_BASE(X) (OMAP24XX_GPIO_BASE+(0x2000*((X)-1)))
224
225#define GPIO1_SYSCONFIG __REG32((GPIOX_BASE(1)+0x10))
226#define GPIO2_SYSCONFIG __REG32((GPIOX_BASE(2)+0x10))
227#define GPIO3_SYSCONFIG __REG32((GPIOX_BASE(3)+0x10))
228#define GPIO4_SYSCONFIG __REG32((GPIOX_BASE(4)+0x10))
229
230/* GP TIMER 1 */
231#define GPTIMER1_TISTAT GPT1_REG32(0x014)
232#define GPTIMER1_TISR GPT1_REG32(0x018)
233#define GPTIMER1_TIER GPT1_REG32(0x01C)
234#define GPTIMER1_TWER GPT1_REG32(0x020)
235#define GPTIMER1_TCLR GPT1_REG32(0x024)
236#define GPTIMER1_TCRR GPT1_REG32(0x028)
237#define GPTIMER1_TLDR GPT1_REG32(0x02C)
238#define GPTIMER1_TTGR GPT1_REG32(0x030)
239#define GPTIMER1_TWPS GPT1_REG32(0x034)
240#define GPTIMER1_TMAR GPT1_REG32(0x038)
241#define GPTIMER1_TCAR1 GPT1_REG32(0x03C)
242#define GPTIMER1_TSICR GPT1_REG32(0x040)
243#define GPTIMER1_TCAR2 GPT1_REG32(0x044)
244
245/* rkw -- base fix up please... */
246#define GPTIMER3_TISR __REG32(OMAP24XX_L4_IO_BASE+0x78018)
247
248/* SDRC */
249#define SDRC_DLLA_CTRL __REG32(OMAP24XX_SDRC_BASE+0x060)
250#define SDRC_DLLA_STATUS __REG32(OMAP24XX_SDRC_BASE+0x064)
251#define SDRC_DLLB_CTRL __REG32(OMAP24XX_SDRC_BASE+0x068)
252#define SDRC_DLLB_STATUS __REG32(OMAP24XX_SDRC_BASE+0x06C)
253#define SDRC_POWER __REG32(OMAP24XX_SDRC_BASE+0x070)
254#define SDRC_MR_0 __REG32(OMAP24XX_SDRC_BASE+0x084)
255
256/* GPIO 1 */
257#define GPIO1_BASE GPIOX_BASE(1)
258#define GPIO1_REG32(offset) __REG32(GPIO1_BASE + (offset))
259#define GPIO1_IRQENABLE1 GPIO1_REG32(0x01C)
260#define GPIO1_IRQSTATUS1 GPIO1_REG32(0x018)
261#define GPIO1_IRQENABLE2 GPIO1_REG32(0x02C)
262#define GPIO1_IRQSTATUS2 GPIO1_REG32(0x028)
263#define GPIO1_WAKEUPENABLE GPIO1_REG32(0x020)
264#define GPIO1_RISINGDETECT GPIO1_REG32(0x048)
265#define GPIO1_DATAIN GPIO1_REG32(0x038)
266#define GPIO1_OE GPIO1_REG32(0x034)
267#define GPIO1_DATAOUT GPIO1_REG32(0x03C)
268
269/* GPIO2 */
270#define GPIO2_BASE GPIOX_BASE(2)
271#define GPIO2_REG32(offset) __REG32(GPIO2_BASE + (offset))
272#define GPIO2_IRQENABLE1 GPIO2_REG32(0x01C)
273#define GPIO2_IRQSTATUS1 GPIO2_REG32(0x018)
274#define GPIO2_IRQENABLE2 GPIO2_REG32(0x02C)
275#define GPIO2_IRQSTATUS2 GPIO2_REG32(0x028)
276#define GPIO2_WAKEUPENABLE GPIO2_REG32(0x020)
277#define GPIO2_RISINGDETECT GPIO2_REG32(0x048)
278#define GPIO2_DATAIN GPIO2_REG32(0x038)
279#define GPIO2_OE GPIO2_REG32(0x034)
280#define GPIO2_DATAOUT GPIO2_REG32(0x03C)
281
282/* GPIO 3 */
283#define GPIO3_BASE GPIOX_BASE(3)
284#define GPIO3_REG32(offset) __REG32(GPIO3_BASE + (offset))
285#define GPIO3_IRQENABLE1 GPIO3_REG32(0x01C)
286#define GPIO3_IRQSTATUS1 GPIO3_REG32(0x018)
287#define GPIO3_IRQENABLE2 GPIO3_REG32(0x02C)
288#define GPIO3_IRQSTATUS2 GPIO3_REG32(0x028)
289#define GPIO3_WAKEUPENABLE GPIO3_REG32(0x020)
290#define GPIO3_RISINGDETECT GPIO3_REG32(0x048)
291#define GPIO3_FALLINGDETECT GPIO3_REG32(0x04C)
292#define GPIO3_DATAIN GPIO3_REG32(0x038)
293#define GPIO3_OE GPIO3_REG32(0x034)
294#define GPIO3_DATAOUT GPIO3_REG32(0x03C)
295#define GPIO3_DEBOUNCENABLE GPIO3_REG32(0x050)
296#define GPIO3_DEBOUNCINGTIME GPIO3_REG32(0x054)
297
298/* GPIO 4 */
299#define GPIO4_BASE GPIOX_BASE(4)
300#define GPIO4_REG32(offset) __REG32(GPIO4_BASE + (offset))
301#define GPIO4_IRQENABLE1 GPIO4_REG32(0x01C)
302#define GPIO4_IRQSTATUS1 GPIO4_REG32(0x018)
303#define GPIO4_IRQENABLE2 GPIO4_REG32(0x02C)
304#define GPIO4_IRQSTATUS2 GPIO4_REG32(0x028)
305#define GPIO4_WAKEUPENABLE GPIO4_REG32(0x020)
306#define GPIO4_RISINGDETECT GPIO4_REG32(0x048)
307#define GPIO4_FALLINGDETECT GPIO4_REG32(0x04C)
308#define GPIO4_DATAIN GPIO4_REG32(0x038)
309#define GPIO4_OE GPIO4_REG32(0x034)
310#define GPIO4_DATAOUT GPIO4_REG32(0x03C)
311#define GPIO4_DEBOUNCENABLE GPIO4_REG32(0x050)
312#define GPIO4_DEBOUNCINGTIME GPIO4_REG32(0x054)
313
314
315/* IO CONFIG */
316#define CONTROL_BASE (OMAP24XX_CTRL_BASE)
317#define CONTROL_REG32(offset) __REG32(CONTROL_BASE + (offset))
318
319#define CONTROL_PADCONF_SPI1_NCS2 CONTROL_REG32(0x104)
320#define CONTROL_PADCONF_SYS_XTALOUT CONTROL_REG32(0x134)
321#define CONTROL_PADCONF_UART1_RX CONTROL_REG32(0x0C8)
322#define CONTROL_PADCONF_MCBSP1_DX CONTROL_REG32(0x10C)
323#define CONTROL_PADCONF_GPMC_NCS4 CONTROL_REG32(0x090)
324#define CONTROL_PADCONF_DSS_D5 CONTROL_REG32(0x0B8)
325#define CONTROL_PADCONF_DSS_D9 CONTROL_REG32(0x0BC)
326#define CONTROL_PADCONF_DSS_D13 CONTROL_REG32(0x0C0)
327#define CONTROL_PADCONF_DSS_VSYNC CONTROL_REG32(0x0CC)
328
329/* CONTROL */
330#define CONTROL_DEVCONF CONTROL_REG32(0x274)
331
332/* INTERRUPT CONTROLLER */
333#define INTC_BASE (OMAP24XX_L4_IO_BASE+0xfe000)
334#define INTC_REG32(offset) __REG32(INTC_BASE + (offset))
335
336#define INTC1_U_BASE INTC_REG32(0x000)
337#define INTC_MIR0 INTC_REG32(0x084)
338#define INTC_MIR_SET0 INTC_REG32(0x08C)
339#define INTC_MIR_CLEAR0 INTC_REG32(0x088)
340#define INTC_ISR_CLEAR0 INTC_REG32(0x094)
341#define INTC_MIR1 INTC_REG32(0x0A4)
342#define INTC_MIR_SET1 INTC_REG32(0x0AC)
343#define INTC_MIR_CLEAR1 INTC_REG32(0x0A8)
344#define INTC_ISR_CLEAR1 INTC_REG32(0x0B4)
345#define INTC_MIR2 INTC_REG32(0x0C4)
346#define INTC_MIR_SET2 INTC_REG32(0x0CC)
347#define INTC_MIR_CLEAR2 INTC_REG32(0x0C8)
348#define INTC_ISR_CLEAR2 INTC_REG32(0x0D4)
349#define INTC_SIR_IRQ INTC_REG32(0x040)
350#define INTC_CONTROL INTC_REG32(0x048)
351#define INTC_ILR11 INTC_REG32(0x12C)
352#define INTC_ILR32 INTC_REG32(0x180)
353#define INTC_ILR37 INTC_REG32(0x194)
354#define INTC_SYSCONFIG INTC_REG32(0x010)
355
356/* RAM FIREWALL */
357#define RAMFW_BASE (0x68005000)
358#define RAMFW_REG32(offset) __REG32(RAMFW_BASE + (offset))
359
360#define RAMFW_REQINFOPERM0 RAMFW_REG32(0x048)
361#define RAMFW_READPERM0 RAMFW_REG32(0x050)
362#define RAMFW_WRITEPERM0 RAMFW_REG32(0x058)
363
364/* GPMC CS1 FPGA ON USER INTERFACE MODULE */
365//#define DEBUG_BOARD_LED_REGISTER 0x04000014
366
367/* GPMC CS0 */
368#define GPMC_CONFIG1_0 GPMC_REG32(0x060)
369#define GPMC_CONFIG2_0 GPMC_REG32(0x064)
370#define GPMC_CONFIG3_0 GPMC_REG32(0x068)
371#define GPMC_CONFIG4_0 GPMC_REG32(0x06C)
372#define GPMC_CONFIG5_0 GPMC_REG32(0x070)
373#define GPMC_CONFIG6_0 GPMC_REG32(0x074)
374#define GPMC_CONFIG7_0 GPMC_REG32(0x078)
375
376/* DSS */
377#define DSS_CONTROL DISP_REG32(0x040)
378#define DISPC_CONTROL DISP_REG32(0x440)
379#define DISPC_SYSSTATUS DISP_REG32(0x414)
380#define DISPC_IRQSTATUS DISP_REG32(0x418)
381#define DISPC_IRQENABLE DISP_REG32(0x41C)
382#define DISPC_CONFIG DISP_REG32(0x444)
383#define DISPC_DEFAULT_COLOR0 DISP_REG32(0x44C)
384#define DISPC_DEFAULT_COLOR1 DISP_REG32(0x450)
385#define DISPC_TRANS_COLOR0 DISP_REG32(0x454)
386#define DISPC_TRANS_COLOR1 DISP_REG32(0x458)
387#define DISPC_LINE_NUMBER DISP_REG32(0x460)
388#define DISPC_TIMING_H DISP_REG32(0x464)
389#define DISPC_TIMING_V DISP_REG32(0x468)
390#define DISPC_POL_FREQ DISP_REG32(0x46C)
391#define DISPC_DIVISOR DISP_REG32(0x470)
392#define DISPC_SIZE_DIG DISP_REG32(0x478)
393#define DISPC_SIZE_LCD DISP_REG32(0x47C)
394#define DISPC_GFX_BA0 DISP_REG32(0x480)
395#define DISPC_GFX_BA1 DISP_REG32(0x484)
396#define DISPC_GFX_POSITION DISP_REG32(0x488)
397#define DISPC_GFX_SIZE DISP_REG32(0x48C)
398#define DISPC_GFX_ATTRIBUTES DISP_REG32(0x4A0)
399#define DISPC_GFX_FIFO_THRESHOLD DISP_REG32(0x4A4)
400#define DISPC_GFX_ROW_INC DISP_REG32(0x4AC)
401#define DISPC_GFX_PIXEL_INC DISP_REG32(0x4B0)
402#define DISPC_GFX_WINDOW_SKIP DISP_REG32(0x4B4)
403#define DISPC_GFX_TABLE_BA DISP_REG32(0x4B8)
404#define DISPC_DATA_CYCLE1 DISP_REG32(0x5D4)
405#define DISPC_DATA_CYCLE2 DISP_REG32(0x5D8)
406#define DISPC_DATA_CYCLE3 DISP_REG32(0x5DC)
407
408/* Wake up define for board */
409#define GPIO97 (1 << 1)
410#define GPIO88 (1 << 24)
411
412#endif /* __ASSEMBLER__ */
413
414#endif
415
416
417
418
419
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
new file mode 100644
index 000000000000..f4df04fe1dd8
--- /dev/null
+++ b/arch/arm/mach-omap2/serial.c
@@ -0,0 +1,180 @@
1/*
2 * arch/arm/mach-omap/omap2/serial.c
3 *
4 * OMAP2 serial support.
5 *
6 * Copyright (C) 2005 Nokia Corporation
7 * Author: Paul Mundt <paul.mundt@nokia.com>
8 *
9 * Based off of arch/arm/mach-omap/omap1/serial.c
10 *
11 * This file is subject to the terms and conditions of the GNU General Public
12 * License. See the file "COPYING" in the main directory of this archive
13 * for more details.
14 */
15#include <linux/kernel.h>
16#include <linux/init.h>
17#include <linux/serial_8250.h>
18#include <linux/serial_reg.h>
19
20#include <asm/io.h>
21#include <asm/hardware/clock.h>
22
23#include <asm/arch/common.h>
24#include <asm/arch/board.h>
25
26static struct clk * uart1_ick = NULL;
27static struct clk * uart1_fck = NULL;
28static struct clk * uart2_ick = NULL;
29static struct clk * uart2_fck = NULL;
30static struct clk * uart3_ick = NULL;
31static struct clk * uart3_fck = NULL;
32
33static struct plat_serial8250_port serial_platform_data[] = {
34 {
35 .membase = (char *)IO_ADDRESS(OMAP_UART1_BASE),
36 .mapbase = (unsigned long)OMAP_UART1_BASE,
37 .irq = 72,
38 .flags = UPF_BOOT_AUTOCONF,
39 .iotype = UPIO_MEM,
40 .regshift = 2,
41 .uartclk = OMAP16XX_BASE_BAUD * 16,
42 }, {
43 .membase = (char *)IO_ADDRESS(OMAP_UART2_BASE),
44 .mapbase = (unsigned long)OMAP_UART2_BASE,
45 .irq = 73,
46 .flags = UPF_BOOT_AUTOCONF,
47 .iotype = UPIO_MEM,
48 .regshift = 2,
49 .uartclk = OMAP16XX_BASE_BAUD * 16,
50 }, {
51 .membase = (char *)IO_ADDRESS(OMAP_UART3_BASE),
52 .mapbase = (unsigned long)OMAP_UART3_BASE,
53 .irq = 74,
54 .flags = UPF_BOOT_AUTOCONF,
55 .iotype = UPIO_MEM,
56 .regshift = 2,
57 .uartclk = OMAP16XX_BASE_BAUD * 16,
58 }, {
59 .flags = 0
60 }
61};
62
63static inline unsigned int serial_read_reg(struct plat_serial8250_port *up,
64 int offset)
65{
66 offset <<= up->regshift;
67 return (unsigned int)__raw_readb(up->membase + offset);
68}
69
70static inline void serial_write_reg(struct plat_serial8250_port *p, int offset,
71 int value)
72{
73 offset <<= p->regshift;
74 __raw_writeb(value, (unsigned long)(p->membase + offset));
75}
76
77/*
78 * Internal UARTs need to be initialized for the 8250 autoconfig to work
79 * properly. Note that the TX watermark initialization may not be needed
80 * once the 8250.c watermark handling code is merged.
81 */
82static inline void __init omap_serial_reset(struct plat_serial8250_port *p)
83{
84 serial_write_reg(p, UART_OMAP_MDR1, 0x07);
85 serial_write_reg(p, UART_OMAP_SCR, 0x08);
86 serial_write_reg(p, UART_OMAP_MDR1, 0x00);
87 serial_write_reg(p, UART_OMAP_SYSC, 0x01);
88}
89
90void __init omap_serial_init()
91{
92 int i;
93 const struct omap_uart_config *info;
94
95 /*
96 * Make sure the serial ports are muxed on at this point.
97 * You have to mux them off in device drivers later on
98 * if not needed.
99 */
100
101 info = omap_get_config(OMAP_TAG_UART,
102 struct omap_uart_config);
103
104 if (info == NULL)
105 return;
106
107 for (i = 0; i < OMAP_MAX_NR_PORTS; i++) {
108 struct plat_serial8250_port *p = serial_platform_data + i;
109
110 if (!(info->enabled_uarts & (1 << i))) {
111 p->membase = 0;
112 p->mapbase = 0;
113 continue;
114 }
115
116 switch (i) {
117 case 0:
118 uart1_ick = clk_get(NULL, "uart1_ick");
119 if (IS_ERR(uart1_ick))
120 printk("Could not get uart1_ick\n");
121 else {
122 clk_use(uart1_ick);
123 }
124
125 uart1_fck = clk_get(NULL, "uart1_fck");
126 if (IS_ERR(uart1_fck))
127 printk("Could not get uart1_fck\n");
128 else {
129 clk_use(uart1_fck);
130 }
131 break;
132 case 1:
133 uart2_ick = clk_get(NULL, "uart2_ick");
134 if (IS_ERR(uart2_ick))
135 printk("Could not get uart2_ick\n");
136 else {
137 clk_use(uart2_ick);
138 }
139
140 uart2_fck = clk_get(NULL, "uart2_fck");
141 if (IS_ERR(uart2_fck))
142 printk("Could not get uart2_fck\n");
143 else {
144 clk_use(uart2_fck);
145 }
146 break;
147 case 2:
148 uart3_ick = clk_get(NULL, "uart3_ick");
149 if (IS_ERR(uart3_ick))
150 printk("Could not get uart3_ick\n");
151 else {
152 clk_use(uart3_ick);
153 }
154
155 uart3_fck = clk_get(NULL, "uart3_fck");
156 if (IS_ERR(uart3_fck))
157 printk("Could not get uart3_fck\n");
158 else {
159 clk_use(uart3_fck);
160 }
161 break;
162 }
163
164 omap_serial_reset(p);
165 }
166}
167
168static struct platform_device serial_device = {
169 .name = "serial8250",
170 .id = 0,
171 .dev = {
172 .platform_data = serial_platform_data,
173 },
174};
175
176static int __init omap_init(void)
177{
178 return platform_device_register(&serial_device);
179}
180arch_initcall(omap_init);
diff --git a/arch/arm/mach-omap2/sram-fn.S b/arch/arm/mach-omap2/sram-fn.S
new file mode 100644
index 000000000000..2a869e203342
--- /dev/null
+++ b/arch/arm/mach-omap2/sram-fn.S
@@ -0,0 +1,333 @@
1/*
2 * linux/arch/arm/mach-omap1/sram.S
3 *
4 * Omap2 specific functions that need to be run in internal SRAM
5 *
6 * (C) Copyright 2004
7 * Texas Instruments, <www.ti.com>
8 * Richard Woodruff <r-woodruff2@ti.com>
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23 * MA 02111-1307 USA
24 */
25#include <linux/config.h>
26#include <linux/linkage.h>
27#include <asm/assembler.h>
28#include <asm/arch/io.h>
29#include <asm/hardware.h>
30
31#include <asm/arch/prcm.h>
32
33#define TIMER_32KSYNCT_CR_V IO_ADDRESS(OMAP24XX_32KSYNCT_BASE + 0x010)
34
35#define CM_CLKSEL2_PLL_V IO_ADDRESS(OMAP24XX_PRCM_BASE + 0x544)
36#define PRCM_VOLTCTRL_V IO_ADDRESS(OMAP24XX_PRCM_BASE + 0x050)
37#define PRCM_CLKCFG_CTRL_V IO_ADDRESS(OMAP24XX_PRCM_BASE + 0x080)
38#define CM_CLKEN_PLL_V IO_ADDRESS(OMAP24XX_PRCM_BASE + 0x500)
39#define CM_IDLEST_CKGEN_V IO_ADDRESS(OMAP24XX_PRCM_BASE + 0x520)
40#define CM_CLKSEL1_PLL_V IO_ADDRESS(OMAP24XX_PRCM_BASE + 0x540)
41
42#define SDRC_DLLA_CTRL_V IO_ADDRESS(OMAP24XX_SDRC_BASE + 0x060)
43#define SDRC_RFR_CTRL_V IO_ADDRESS(OMAP24XX_SDRC_BASE + 0x0a4)
44
45 .text
46
47ENTRY(sram_ddr_init)
48 stmfd sp!, {r0 - r12, lr} @ save registers on stack
49
50 mov r12, r2 @ capture CS1 vs CS0
51 mov r8, r3 @ capture force parameter
52
53 /* frequency shift down */
54 ldr r2, cm_clksel2_pll @ get address of dpllout reg
55 mov r3, #0x1 @ value for 1x operation
56 str r3, [r2] @ go to L1-freq operation
57
58 /* voltage shift down */
59 mov r9, #0x1 @ set up for L1 voltage call
60 bl voltage_shift @ go drop voltage
61
62 /* dll lock mode */
63 ldr r11, sdrc_dlla_ctrl @ addr of dlla ctrl
64 ldr r10, [r11] @ get current val
65 cmp r12, #0x1 @ cs1 base (2422 es2.05/1)
66 addeq r11, r11, #0x8 @ if cs1 base, move to DLLB
67 mvn r9, #0x4 @ mask to get clear bit2
68 and r10, r10, r9 @ clear bit2 for lock mode.
69 orr r10, r10, #0x8 @ make sure DLL on (es2 bit pos)
70 orr r10, r10, #0x2 @ 90 degree phase for all below 133Mhz
71 str r10, [r11] @ commit to DLLA_CTRL
72 bl i_dll_wait @ wait for dll to lock
73
74 /* get dll value */
75 add r11, r11, #0x4 @ get addr of status reg
76 ldr r10, [r11] @ get locked value
77
78 /* voltage shift up */
79 mov r9, #0x0 @ shift back to L0-voltage
80 bl voltage_shift @ go raise voltage
81
82 /* frequency shift up */
83 mov r3, #0x2 @ value for 2x operation
84 str r3, [r2] @ go to L0-freq operation
85
86 /* reset entry mode for dllctrl */
87 sub r11, r11, #0x4 @ move from status to ctrl
88 cmp r12, #0x1 @ normalize if cs1 based
89 subeq r11, r11, #0x8 @ possibly back to DLLA
90 cmp r8, #0x1 @ if forced unlock exit
91 orreq r1, r1, #0x4 @ make sure exit with unlocked value
92 str r1, [r11] @ restore DLLA_CTRL high value
93 add r11, r11, #0x8 @ move to DLLB_CTRL addr
94 str r1, [r11] @ set value DLLB_CTRL
95 bl i_dll_wait @ wait for possible lock
96
97 /* set up for return, DDR should be good */
98 str r10, [r0] @ write dll_status and return counter
99 ldmfd sp!, {r0 - r12, pc} @ restore regs and return
100
101 /* ensure the DLL has relocked */
102i_dll_wait:
103 mov r4, #0x800 @ delay DLL relock, min 0x400 L3 clocks
104i_dll_delay:
105 subs r4, r4, #0x1
106 bne i_dll_delay
107 mov pc, lr
108
109 /*
110 * shift up or down voltage, use R9 as input to tell level.
111 * wait for it to finish, use 32k sync counter, 1tick=31uS.
112 */
113voltage_shift:
114 ldr r4, prcm_voltctrl @ get addr of volt ctrl.
115 ldr r5, [r4] @ get value.
116 ldr r6, prcm_mask_val @ get value of mask
117 and r5, r5, r6 @ apply mask to clear bits
118 orr r5, r5, r9 @ bulld value for L0/L1-volt operation.
119 str r5, [r4] @ set up for change.
120 mov r3, #0x4000 @ get val for force
121 orr r5, r5, r3 @ build value for force
122 str r5, [r4] @ Force transition to L1
123
124 ldr r3, timer_32ksynct_cr @ get addr of counter
125 ldr r5, [r3] @ get value
126 add r5, r5, #0x3 @ give it at most 93uS
127volt_delay:
128 ldr r7, [r3] @ get timer value
129 cmp r5, r7 @ time up?
130 bhi volt_delay @ not yet->branch
131 mov pc, lr @ back to caller.
132
133/* relative load constants */
134cm_clksel2_pll:
135 .word CM_CLKSEL2_PLL_V
136sdrc_dlla_ctrl:
137 .word SDRC_DLLA_CTRL_V
138prcm_voltctrl:
139 .word PRCM_VOLTCTRL_V
140prcm_mask_val:
141 .word 0xFFFF3FFC
142timer_32ksynct_cr:
143 .word TIMER_32KSYNCT_CR_V
144ENTRY(sram_ddr_init_sz)
145 .word . - sram_ddr_init
146
147/*
148 * Reprograms memory timings.
149 * r0 = [PRCM_FULL | PRCM_HALF] r1 = SDRC_DLLA_CTRL value r2 = [DDR | SDR]
150 * PRCM_FULL = 2, PRCM_HALF = 1, DDR = 1, SDR = 0
151 */
152ENTRY(sram_reprogram_sdrc)
153 stmfd sp!, {r0 - r10, lr} @ save registers on stack
154 mov r3, #0x0 @ clear for mrc call
155 mcr p15, 0, r3, c7, c10, 4 @ memory barrier, finish ARM SDR/DDR
156 nop
157 nop
158 ldr r6, ddr_sdrc_rfr_ctrl @ get addr of refresh reg
159 ldr r5, [r6] @ get value
160 mov r5, r5, lsr #8 @ isolate rfr field and drop burst
161
162 cmp r0, #0x1 @ going to half speed?
163 movne r9, #0x0 @ if up set flag up for pre up, hi volt
164
165 blne voltage_shift_c @ adjust voltage
166
167 cmp r0, #0x1 @ going to half speed (post branch link)
168 moveq r5, r5, lsr #1 @ divide by 2 if to half
169 movne r5, r5, lsl #1 @ mult by 2 if to full
170 mov r5, r5, lsl #8 @ put rfr field back into place
171 add r5, r5, #0x1 @ turn on burst of 1
172 ldr r4, ddr_cm_clksel2_pll @ get address of out reg
173 ldr r3, [r4] @ get curr value
174 orr r3, r3, #0x3
175 bic r3, r3, #0x3 @ clear lower bits
176 orr r3, r3, r0 @ new state value
177 str r3, [r4] @ set new state (pll/x, x=1 or 2)
178 nop
179 nop
180
181 moveq r9, #0x1 @ if speed down, post down, drop volt
182 bleq voltage_shift_c
183
184 mcr p15, 0, r3, c7, c10, 4 @ memory barrier
185 str r5, [r6] @ set new RFR_1 value
186 add r6, r6, #0x30 @ get RFR_2 addr
187 str r5, [r6] @ set RFR_2
188 nop
189 cmp r2, #0x1 @ (SDR or DDR) do we need to adjust DLL
190 bne freq_out @ leave if SDR, no DLL function
191
192 /* With DDR, we need to take care of the DLL for the frequency change */
193 ldr r2, ddr_sdrc_dlla_ctrl @ addr of dlla ctrl
194 str r1, [r2] @ write out new SDRC_DLLA_CTRL
195 add r2, r2, #0x8 @ addr to SDRC_DLLB_CTRL
196 str r1, [r2] @ commit to SDRC_DLLB_CTRL
197 mov r1, #0x2000 @ wait DLL relock, min 0x400 L3 clocks
198dll_wait:
199 subs r1, r1, #0x1
200 bne dll_wait
201freq_out:
202 ldmfd sp!, {r0 - r10, pc} @ restore regs and return
203
204 /*
205 * shift up or down voltage, use R9 as input to tell level.
206 * wait for it to finish, use 32k sync counter, 1tick=31uS.
207 */
208voltage_shift_c:
209 ldr r10, ddr_prcm_voltctrl @ get addr of volt ctrl
210 ldr r8, [r10] @ get value
211 ldr r7, ddr_prcm_mask_val @ get value of mask
212 and r8, r8, r7 @ apply mask to clear bits
213 orr r8, r8, r9 @ bulld value for L0/L1-volt operation.
214 str r8, [r10] @ set up for change.
215 mov r7, #0x4000 @ get val for force
216 orr r8, r8, r7 @ build value for force
217 str r8, [r10] @ Force transition to L1
218
219 ldr r10, ddr_timer_32ksynct @ get addr of counter
220 ldr r8, [r10] @ get value
221 add r8, r8, #0x2 @ give it at most 62uS (min 31+)
222volt_delay_c:
223 ldr r7, [r10] @ get timer value
224 cmp r8, r7 @ time up?
225 bhi volt_delay_c @ not yet->branch
226 mov pc, lr @ back to caller
227
228ddr_cm_clksel2_pll:
229 .word CM_CLKSEL2_PLL_V
230ddr_sdrc_dlla_ctrl:
231 .word SDRC_DLLA_CTRL_V
232ddr_sdrc_rfr_ctrl:
233 .word SDRC_RFR_CTRL_V
234ddr_prcm_voltctrl:
235 .word PRCM_VOLTCTRL_V
236ddr_prcm_mask_val:
237 .word 0xFFFF3FFC
238ddr_timer_32ksynct:
239 .word TIMER_32KSYNCT_CR_V
240
241ENTRY(sram_reprogram_sdrc_sz)
242 .word . - sram_reprogram_sdrc
243
244/*
245 * Set dividers and pll. Also recalculate DLL value for DDR and unlock mode.
246 */
247ENTRY(sram_set_prcm)
248 stmfd sp!, {r0-r12, lr} @ regs to stack
249 adr r4, pbegin @ addr of preload start
250 adr r8, pend @ addr of preload end
251 mcrr p15, 1, r8, r4, c12 @ preload into icache
252pbegin:
253 /* move into fast relock bypass */
254 ldr r8, pll_ctl @ get addr
255 ldr r5, [r8] @ get val
256 mvn r6, #0x3 @ clear mask
257 and r5, r5, r6 @ clear field
258 orr r7, r5, #0x2 @ fast relock val
259 str r7, [r8] @ go to fast relock
260 ldr r4, pll_stat @ addr of stat
261block:
262 /* wait for bypass */
263 ldr r8, [r4] @ stat value
264 and r8, r8, #0x3 @ mask for stat
265 cmp r8, #0x1 @ there yet
266 bne block @ loop if not
267
268 /* set new dpll dividers _after_ in bypass */
269 ldr r4, pll_div @ get addr
270 str r0, [r4] @ set dpll ctrl val
271
272 ldr r4, set_config @ get addr
273 mov r8, #1 @ valid cfg msk
274 str r8, [r4] @ make dividers take
275
276 mov r4, #100 @ dead spin a bit
277wait_a_bit:
278 subs r4, r4, #1 @ dec loop
279 bne wait_a_bit @ delay done?
280
281 /* check if staying in bypass */
282 cmp r2, #0x1 @ stay in bypass?
283 beq pend @ jump over dpll relock
284
285 /* relock DPLL with new vals */
286 ldr r5, pll_stat @ get addr
287 ldr r4, pll_ctl @ get addr
288 orr r8, r7, #0x3 @ val for lock dpll
289 str r8, [r4] @ set val
290 mov r0, #1000 @ dead spin a bit
291wait_more:
292 subs r0, r0, #1 @ dec loop
293 bne wait_more @ delay done?
294wait_lock:
295 ldr r8, [r5] @ get lock val
296 and r8, r8, #3 @ isolate field
297 cmp r8, #2 @ locked?
298 bne wait_lock @ wait if not
299pend:
300 /* update memory timings & briefly lock dll */
301 ldr r4, sdrc_rfr @ get addr
302 str r1, [r4] @ update refresh timing
303 ldr r11, dlla_ctrl @ get addr of DLLA ctrl
304 ldr r10, [r11] @ get current val
305 mvn r9, #0x4 @ mask to get clear bit2
306 and r10, r10, r9 @ clear bit2 for lock mode
307 orr r10, r10, #0x8 @ make sure DLL on (es2 bit pos)
308 str r10, [r11] @ commit to DLLA_CTRL
309 add r11, r11, #0x8 @ move to dllb
310 str r10, [r11] @ hit DLLB also
311
312 mov r4, #0x800 @ relock time (min 0x400 L3 clocks)
313wait_dll_lock:
314 subs r4, r4, #0x1
315 bne wait_dll_lock
316 nop
317 ldmfd sp!, {r0-r12, pc} @ restore regs and return
318
319set_config:
320 .word PRCM_CLKCFG_CTRL_V
321pll_ctl:
322 .word CM_CLKEN_PLL_V
323pll_stat:
324 .word CM_IDLEST_CKGEN_V
325pll_div:
326 .word CM_CLKSEL1_PLL_V
327sdrc_rfr:
328 .word SDRC_RFR_CTRL_V
329dlla_ctrl:
330 .word SDRC_DLLA_CTRL_V
331
332ENTRY(sram_set_prcm_sz)
333 .word . - sram_set_prcm
diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-gp.c
new file mode 100644
index 000000000000..9ec11443200f
--- /dev/null
+++ b/arch/arm/mach-omap2/timer-gp.c
@@ -0,0 +1,126 @@
1/*
2 * linux/arch/arm/mach-omap2/timer-gp.c
3 *
4 * OMAP2 GP timer support.
5 *
6 * Copyright (C) 2005 Nokia Corporation
7 * Author: Paul Mundt <paul.mundt@nokia.com>
8 * Juha Yrjölä <juha.yrjola@nokia.com>
9 *
10 * Some parts based off of TI's 24xx code:
11 *
12 * Copyright (C) 2004 Texas Instruments, Inc.
13 *
14 * Roughly modelled after the OMAP1 MPU timer code.
15 *
16 * This file is subject to the terms and conditions of the GNU General Public
17 * License. See the file "COPYING" in the main directory of this archive
18 * for more details.
19 */
20#include <linux/init.h>
21#include <linux/time.h>
22#include <linux/interrupt.h>
23#include <linux/err.h>
24#include <asm/mach/time.h>
25#include <asm/delay.h>
26#include <asm/io.h>
27#include <asm/hardware/clock.h>
28
29#define OMAP2_GP_TIMER1_BASE 0x48028000
30#define OMAP2_GP_TIMER2_BASE 0x4802a000
31#define OMAP2_GP_TIMER3_BASE 0x48078000
32#define OMAP2_GP_TIMER4_BASE 0x4807a000
33
34#define GP_TIMER_TIDR 0x00
35#define GP_TIMER_TISR 0x18
36#define GP_TIMER_TIER 0x1c
37#define GP_TIMER_TCLR 0x24
38#define GP_TIMER_TCRR 0x28
39#define GP_TIMER_TLDR 0x2c
40#define GP_TIMER_TSICR 0x40
41
42#define OS_TIMER_NR 1 /* GP timer 2 */
43
44static unsigned long timer_base[] = {
45 IO_ADDRESS(OMAP2_GP_TIMER1_BASE),
46 IO_ADDRESS(OMAP2_GP_TIMER2_BASE),
47 IO_ADDRESS(OMAP2_GP_TIMER3_BASE),
48 IO_ADDRESS(OMAP2_GP_TIMER4_BASE),
49};
50
51static inline unsigned int timer_read_reg(int nr, unsigned int reg)
52{
53 return __raw_readl(timer_base[nr] + reg);
54}
55
56static inline void timer_write_reg(int nr, unsigned int reg, unsigned int val)
57{
58 __raw_writel(val, timer_base[nr] + reg);
59}
60
61/* Note that we always enable the clock prescale divider bit */
62static inline void omap2_gp_timer_start(int nr, unsigned long load_val)
63{
64 unsigned int tmp;
65
66 tmp = 0xffffffff - load_val;
67
68 timer_write_reg(nr, GP_TIMER_TLDR, tmp);
69 timer_write_reg(nr, GP_TIMER_TCRR, tmp);
70 timer_write_reg(nr, GP_TIMER_TIER, 1 << 1);
71 timer_write_reg(nr, GP_TIMER_TCLR, (1 << 5) | (1 << 1) | 1);
72}
73
74static irqreturn_t omap2_gp_timer_interrupt(int irq, void *dev_id,
75 struct pt_regs *regs)
76{
77 write_seqlock(&xtime_lock);
78
79 timer_write_reg(OS_TIMER_NR, GP_TIMER_TISR, 1 << 1);
80 timer_tick(regs);
81
82 write_sequnlock(&xtime_lock);
83
84 return IRQ_HANDLED;
85}
86
87static struct irqaction omap2_gp_timer_irq = {
88 .name = "gp timer",
89 .flags = SA_INTERRUPT,
90 .handler = omap2_gp_timer_interrupt,
91};
92
93static void __init omap2_gp_timer_init(void)
94{
95 struct clk * sys_ck;
96 u32 tick_period = 120000;
97 u32 l;
98
99 /* Reset clock and prescale value */
100 timer_write_reg(OS_TIMER_NR, GP_TIMER_TCLR, 0);
101
102 sys_ck = clk_get(NULL, "sys_ck");
103 if (IS_ERR(sys_ck))
104 printk(KERN_ERR "Could not get sys_ck\n");
105 else {
106 clk_use(sys_ck);
107 tick_period = clk_get_rate(sys_ck) / 100;
108 clk_put(sys_ck);
109 }
110
111 tick_period /= 2; /* Minimum prescale divider is 2 */
112 tick_period -= 1;
113
114 l = timer_read_reg(OS_TIMER_NR, GP_TIMER_TIDR);
115 printk(KERN_INFO "OMAP2 GP timer (HW version %d.%d)\n",
116 (l >> 4) & 0x0f, l & 0x0f);
117
118 setup_irq(38, &omap2_gp_timer_irq);
119
120 omap2_gp_timer_start(OS_TIMER_NR, tick_period);
121}
122
123struct sys_timer omap_timer = {
124 .init = omap2_gp_timer_init,
125};
126
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-15 08:14:45 -0500