projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| c0718df4 PW |
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 | ||
| dbc04161 | 21 | #include "soc.h" |
| 4e65331c | 22 | #include "common.h" |
| c0718df4 PW |
23 | #include "prm-regbits-34xx.h" |
| 24 | #include "omap_opp_data.h" | |
| 25 | #include "voltage.h" | |
| 26 | #include "vc.h" | |
| 27 | #include "vp.h" | |
| 28 | ||
| 29 | /* | |
| 30 | * VDD data | |
| 31 | */ | |
| 32 | ||
| ddf536d0 PW |
33 | /* OMAP3-common voltagedomain data */ |
| 34 | ||
| 35 | static struct voltagedomain omap3_voltdm_wkup = { | |
| 36 | .name = "wakeup", | |
| 37 | }; | |
| 38 | ||
| 39 | /* 34xx/36xx voltagedomain data */ | |
| 40 | ||
| 5892bb1f | 41 | static const struct omap_vfsm_instance omap3_vdd1_vfsm = { |
| c0718df4 | 42 | .voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET, |
| c0718df4 PW |
43 | .voltsetup_mask = OMAP3430_SETUP_TIME1_MASK, |
| 44 | }; | |
| 45 | ||
| 5892bb1f | 46 | static const struct omap_vfsm_instance omap3_vdd2_vfsm = { |
| c0718df4 | 47 | .voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET, |
| c0718df4 PW |
48 | .voltsetup_mask = OMAP3430_SETUP_TIME2_MASK, |
| 49 | }; | |
| 50 | ||
| 81a60482 | 51 | static struct voltagedomain omap3_voltdm_mpu = { |
| 280a7275 | 52 | .name = "mpu_iva", |
| 37efca7e | 53 | .scalable = true, |
| 4bcc475e KH |
54 | .read = omap3_prm_vcvp_read, |
| 55 | .write = omap3_prm_vcvp_write, | |
| 56 | .rmw = omap3_prm_vcvp_rmw, | |
| d84adcf4 | 57 | .vc = &omap3_vc_mpu, |
| 5892bb1f | 58 | .vfsm = &omap3_vdd1_vfsm, |
| b7ea803e | 59 | .vp = &omap3_vp_mpu, |
| c0718df4 PW |
60 | }; |
| 61 | ||
| 81a60482 KH |
62 | static struct voltagedomain omap3_voltdm_core = { |
| 63 | .name = "core", | |
| 37efca7e | 64 | .scalable = true, |
| 4bcc475e KH |
65 | .read = omap3_prm_vcvp_read, |
| 66 | .write = omap3_prm_vcvp_write, | |
| 67 | .rmw = omap3_prm_vcvp_rmw, | |
| d84adcf4 | 68 | .vc = &omap3_vc_core, |
| 5892bb1f | 69 | .vfsm = &omap3_vdd2_vfsm, |
| b7ea803e | 70 | .vp = &omap3_vp_core, |
| 81a60482 | 71 | }; |
| c0718df4 | 72 | |
| 81a60482 KH |
73 | static struct voltagedomain *voltagedomains_omap3[] __initdata = { |
| 74 | &omap3_voltdm_mpu, | |
| 75 | &omap3_voltdm_core, | |
| ace19ffa | 76 | &omap3_voltdm_wkup, |
| 81a60482 KH |
77 | NULL, |
| 78 | }; | |
| 79 | ||
| ddf536d0 PW |
80 | /* AM35xx voltagedomain data */ |
| 81 | ||
| 82 | static struct voltagedomain am35xx_voltdm_mpu = { | |
| 83 | .name = "mpu_iva", | |
| 84 | }; | |
| 85 | ||
| 86 | static struct voltagedomain am35xx_voltdm_core = { | |
| 87 | .name = "core", | |
| 88 | }; | |
| 89 | ||
| 90 | static struct voltagedomain *voltagedomains_am35xx[] __initdata = { | |
| 91 | &am35xx_voltdm_mpu, | |
| 92 | &am35xx_voltdm_core, | |
| 93 | &omap3_voltdm_wkup, | |
| 94 | NULL, | |
| 95 | }; | |
| 96 | ||
| 97 | ||
| 19c233b7 | 98 | static const char *const sys_clk_name __initconst = "sys_ck"; |
| 0e2f3d9c | 99 | |
| 81a60482 KH |
100 | void __init omap3xxx_voltagedomains_init(void) |
| 101 | { | |
| 0e2f3d9c | 102 | struct voltagedomain *voltdm; |
| ddf536d0 | 103 | struct voltagedomain **voltdms; |
| 0e2f3d9c KH |
104 | int i; |
| 105 | ||
| c0718df4 PW |
106 | /* |
| 107 | * XXX Will depend on the process, validation, and binning | |
| 108 | * for the currently-running IC | |
| 109 | */ | |
| 3ddd4d0c | 110 | #ifdef CONFIG_PM_OPP |
| c0718df4 | 111 | if (cpu_is_omap3630()) { |
| e3277880 KH |
112 | omap3_voltdm_mpu.volt_data = omap36xx_vddmpu_volt_data; |
| 113 | omap3_voltdm_core.volt_data = omap36xx_vddcore_volt_data; | |
| c0718df4 | 114 | } else { |
| e3277880 KH |
115 | omap3_voltdm_mpu.volt_data = omap34xx_vddmpu_volt_data; |
| 116 | omap3_voltdm_core.volt_data = omap34xx_vddcore_volt_data; | |
| c0718df4 | 117 | } |
| 3ddd4d0c | 118 | #endif |
| c0718df4 | 119 | |
| 8b5d8c0d TK |
120 | omap3_voltdm_mpu.vp_param = &omap3_mpu_vp_data; |
| 121 | omap3_voltdm_core.vp_param = &omap3_core_vp_data; | |
| 122 | omap3_voltdm_mpu.vc_param = &omap3_mpu_vc_data; | |
| 123 | omap3_voltdm_core.vc_param = &omap3_core_vc_data; | |
| 124 | ||
| 68a88b98 | 125 | if (soc_is_am35xx()) |
| ddf536d0 PW |
126 | voltdms = voltagedomains_am35xx; |
| 127 | else | |
| 128 | voltdms = voltagedomains_omap3; | |
| 129 | ||
| 130 | for (i = 0; voltdm = voltdms[i], voltdm; i++) | |
| 0e2f3d9c KH |
131 | voltdm->sys_clk.name = sys_clk_name; |
| 132 | ||
| ddf536d0 | 133 | voltdm_init(voltdms); |
| c0718df4 | 134 | }; |