Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 1 | /* |
| 2 | * OMAP3 voltage domain data |
| 3 | * |
| 4 | * Copyright (C) 2007, 2010 Texas Instruments, Inc. |
| 5 | * Rajendra Nayak <rnayak@ti.com> |
| 6 | * Lesly A M <x0080970@ti.com> |
| 7 | * Thara Gopinath <thara@ti.com> |
| 8 | * |
| 9 | * Copyright (C) 2008, 2011 Nokia Corporation |
| 10 | * Kalle Jokiniemi |
| 11 | * Paul Walmsley |
| 12 | * |
| 13 | * This program is free software; you can redistribute it and/or modify |
| 14 | * it under the terms of the GNU General Public License version 2 as |
| 15 | * published by the Free Software Foundation. |
| 16 | */ |
| 17 | #include <linux/kernel.h> |
| 18 | #include <linux/err.h> |
| 19 | #include <linux/init.h> |
| 20 | |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 21 | #include "common.h" |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 22 | #include <plat/cpu.h> |
| 23 | |
| 24 | #include "prm-regbits-34xx.h" |
| 25 | #include "omap_opp_data.h" |
| 26 | #include "voltage.h" |
| 27 | #include "vc.h" |
| 28 | #include "vp.h" |
| 29 | |
| 30 | /* |
| 31 | * VDD data |
| 32 | */ |
| 33 | |
Paul Walmsley | ddf536d | 2011-12-16 16:09:11 -0800 | [diff] [blame] | 34 | /* OMAP3-common voltagedomain data */ |
| 35 | |
| 36 | static struct voltagedomain omap3_voltdm_wkup = { |
| 37 | .name = "wakeup", |
| 38 | }; |
| 39 | |
| 40 | /* 34xx/36xx voltagedomain data */ |
| 41 | |
Kevin Hilman | 5892bb1 | 2011-03-29 14:36:04 -0700 | [diff] [blame] | 42 | static const struct omap_vfsm_instance omap3_vdd1_vfsm = { |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 43 | .voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET, |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 44 | .voltsetup_mask = OMAP3430_SETUP_TIME1_MASK, |
| 45 | }; |
| 46 | |
Kevin Hilman | 5892bb1 | 2011-03-29 14:36:04 -0700 | [diff] [blame] | 47 | static const struct omap_vfsm_instance omap3_vdd2_vfsm = { |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 48 | .voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET, |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 49 | .voltsetup_mask = OMAP3430_SETUP_TIME2_MASK, |
| 50 | }; |
| 51 | |
Kevin Hilman | 81a6048 | 2011-03-16 14:25:45 -0700 | [diff] [blame] | 52 | static struct voltagedomain omap3_voltdm_mpu = { |
Kevin Hilman | 280a727 | 2011-03-23 11:18:08 -0700 | [diff] [blame] | 53 | .name = "mpu_iva", |
Kevin Hilman | 37efca7 | 2011-03-23 17:00:21 -0700 | [diff] [blame] | 54 | .scalable = true, |
Kevin Hilman | 4bcc475 | 2011-03-28 10:40:15 -0700 | [diff] [blame] | 55 | .read = omap3_prm_vcvp_read, |
| 56 | .write = omap3_prm_vcvp_write, |
| 57 | .rmw = omap3_prm_vcvp_rmw, |
Kevin Hilman | d84adcf | 2011-03-22 16:14:57 -0700 | [diff] [blame] | 58 | .vc = &omap3_vc_mpu, |
Kevin Hilman | 5892bb1 | 2011-03-29 14:36:04 -0700 | [diff] [blame] | 59 | .vfsm = &omap3_vdd1_vfsm, |
Kevin Hilman | b7ea803 | 2011-04-04 15:25:07 -0700 | [diff] [blame] | 60 | .vp = &omap3_vp_mpu, |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 61 | }; |
| 62 | |
Kevin Hilman | 81a6048 | 2011-03-16 14:25:45 -0700 | [diff] [blame] | 63 | static struct voltagedomain omap3_voltdm_core = { |
| 64 | .name = "core", |
Kevin Hilman | 37efca7 | 2011-03-23 17:00:21 -0700 | [diff] [blame] | 65 | .scalable = true, |
Kevin Hilman | 4bcc475 | 2011-03-28 10:40:15 -0700 | [diff] [blame] | 66 | .read = omap3_prm_vcvp_read, |
| 67 | .write = omap3_prm_vcvp_write, |
| 68 | .rmw = omap3_prm_vcvp_rmw, |
Kevin Hilman | d84adcf | 2011-03-22 16:14:57 -0700 | [diff] [blame] | 69 | .vc = &omap3_vc_core, |
Kevin Hilman | 5892bb1 | 2011-03-29 14:36:04 -0700 | [diff] [blame] | 70 | .vfsm = &omap3_vdd2_vfsm, |
Kevin Hilman | b7ea803 | 2011-04-04 15:25:07 -0700 | [diff] [blame] | 71 | .vp = &omap3_vp_core, |
Kevin Hilman | 81a6048 | 2011-03-16 14:25:45 -0700 | [diff] [blame] | 72 | }; |
| 73 | |
| 74 | static struct voltagedomain *voltagedomains_omap3[] __initdata = { |
| 75 | &omap3_voltdm_mpu, |
| 76 | &omap3_voltdm_core, |
Kevin Hilman | ace19ff | 2011-03-23 13:30:33 -0700 | [diff] [blame] | 77 | &omap3_voltdm_wkup, |
Kevin Hilman | 81a6048 | 2011-03-16 14:25:45 -0700 | [diff] [blame] | 78 | NULL, |
| 79 | }; |
| 80 | |
Paul Walmsley | ddf536d | 2011-12-16 16:09:11 -0800 | [diff] [blame] | 81 | /* AM35xx voltagedomain data */ |
| 82 | |
| 83 | static struct voltagedomain am35xx_voltdm_mpu = { |
| 84 | .name = "mpu_iva", |
| 85 | }; |
| 86 | |
| 87 | static struct voltagedomain am35xx_voltdm_core = { |
| 88 | .name = "core", |
| 89 | }; |
| 90 | |
| 91 | static struct voltagedomain *voltagedomains_am35xx[] __initdata = { |
| 92 | &am35xx_voltdm_mpu, |
| 93 | &am35xx_voltdm_core, |
| 94 | &omap3_voltdm_wkup, |
| 95 | NULL, |
| 96 | }; |
| 97 | |
| 98 | |
Kevin Hilman | 0e2f3d9 | 2011-04-04 17:22:28 -0700 | [diff] [blame] | 99 | static const char *sys_clk_name __initdata = "sys_ck"; |
| 100 | |
Kevin Hilman | 81a6048 | 2011-03-16 14:25:45 -0700 | [diff] [blame] | 101 | void __init omap3xxx_voltagedomains_init(void) |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 102 | { |
Kevin Hilman | 0e2f3d9 | 2011-04-04 17:22:28 -0700 | [diff] [blame] | 103 | struct voltagedomain *voltdm; |
Paul Walmsley | ddf536d | 2011-12-16 16:09:11 -0800 | [diff] [blame] | 104 | struct voltagedomain **voltdms; |
Kevin Hilman | 0e2f3d9 | 2011-04-04 17:22:28 -0700 | [diff] [blame] | 105 | int i; |
| 106 | |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 107 | /* |
| 108 | * XXX Will depend on the process, validation, and binning |
| 109 | * for the currently-running IC |
| 110 | */ |
Russell King | 3ddd4d0 | 2012-02-15 11:28:06 +0000 | [diff] [blame] | 111 | #ifdef CONFIG_PM_OPP |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 112 | if (cpu_is_omap3630()) { |
Kevin Hilman | e327788 | 2011-07-14 11:29:06 -0700 | [diff] [blame] | 113 | omap3_voltdm_mpu.volt_data = omap36xx_vddmpu_volt_data; |
| 114 | omap3_voltdm_core.volt_data = omap36xx_vddcore_volt_data; |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 115 | } else { |
Kevin Hilman | e327788 | 2011-07-14 11:29:06 -0700 | [diff] [blame] | 116 | omap3_voltdm_mpu.volt_data = omap34xx_vddmpu_volt_data; |
| 117 | omap3_voltdm_core.volt_data = omap34xx_vddcore_volt_data; |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 118 | } |
Russell King | 3ddd4d0 | 2012-02-15 11:28:06 +0000 | [diff] [blame] | 119 | #endif |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 120 | |
Kevin Hilman | 68a88b9 | 2012-04-30 16:37:10 -0700 | [diff] [blame] | 121 | if (soc_is_am35xx()) |
Paul Walmsley | ddf536d | 2011-12-16 16:09:11 -0800 | [diff] [blame] | 122 | voltdms = voltagedomains_am35xx; |
| 123 | else |
| 124 | voltdms = voltagedomains_omap3; |
| 125 | |
| 126 | for (i = 0; voltdm = voltdms[i], voltdm; i++) |
Kevin Hilman | 0e2f3d9 | 2011-04-04 17:22:28 -0700 | [diff] [blame] | 127 | voltdm->sys_clk.name = sys_clk_name; |
| 128 | |
Paul Walmsley | ddf536d | 2011-12-16 16:09:11 -0800 | [diff] [blame] | 129 | voltdm_init(voltdms); |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 130 | }; |