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 | ||
| 4e65331c | 21 | #include "common.h" |
| c0718df4 PW |
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 | ||
| ddf536d0 PW |
34 | /* OMAP3-common voltagedomain data */ |
| 35 | ||
| 36 | static struct voltagedomain omap3_voltdm_wkup = { | |
| 37 | .name = "wakeup", | |
| 38 | }; | |
| 39 | ||
| 40 | /* 34xx/36xx voltagedomain data */ | |
| 41 | ||
| 5892bb1f | 42 | static const struct omap_vfsm_instance omap3_vdd1_vfsm = { |
| c0718df4 | 43 | .voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET, |
| c0718df4 PW |
44 | .voltsetup_mask = OMAP3430_SETUP_TIME1_MASK, |
| 45 | }; | |
| 46 | ||
| 5892bb1f | 47 | static const struct omap_vfsm_instance omap3_vdd2_vfsm = { |
| c0718df4 | 48 | .voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET, |
| c0718df4 PW |
49 | .voltsetup_mask = OMAP3430_SETUP_TIME2_MASK, |
| 50 | }; | |
| 51 | ||
| 81a60482 | 52 | static struct voltagedomain omap3_voltdm_mpu = { |
| 280a7275 | 53 | .name = "mpu_iva", |
| 37efca7e | 54 | .scalable = true, |
| 4bcc475e KH |
55 | .read = omap3_prm_vcvp_read, |
| 56 | .write = omap3_prm_vcvp_write, | |
| 57 | .rmw = omap3_prm_vcvp_rmw, | |
| d84adcf4 | 58 | .vc = &omap3_vc_mpu, |
| 5892bb1f | 59 | .vfsm = &omap3_vdd1_vfsm, |
| b7ea803e | 60 | .vp = &omap3_vp_mpu, |
| c0718df4 PW |
61 | }; |
| 62 | ||
| 81a60482 KH |
63 | static struct voltagedomain omap3_voltdm_core = { |
| 64 | .name = "core", | |
| 37efca7e | 65 | .scalable = true, |
| 4bcc475e KH |
66 | .read = omap3_prm_vcvp_read, |
| 67 | .write = omap3_prm_vcvp_write, | |
| 68 | .rmw = omap3_prm_vcvp_rmw, | |
| d84adcf4 | 69 | .vc = &omap3_vc_core, |
| 5892bb1f | 70 | .vfsm = &omap3_vdd2_vfsm, |
| b7ea803e | 71 | .vp = &omap3_vp_core, |
| 81a60482 | 72 | }; |
| c0718df4 | 73 | |
| 81a60482 KH |
74 | static struct voltagedomain *voltagedomains_omap3[] __initdata = { |
| 75 | &omap3_voltdm_mpu, | |
| 76 | &omap3_voltdm_core, | |
| ace19ffa | 77 | &omap3_voltdm_wkup, |
| 81a60482 KH |
78 | NULL, |
| 79 | }; | |
| 80 | ||
| ddf536d0 PW |
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 | ||
| 0e2f3d9c KH |
99 | static const char *sys_clk_name __initdata = "sys_ck"; |
| 100 | ||
| 81a60482 KH |
101 | void __init omap3xxx_voltagedomains_init(void) |
| 102 | { | |
| 0e2f3d9c | 103 | struct voltagedomain *voltdm; |
| ddf536d0 | 104 | struct voltagedomain **voltdms; |
| 0e2f3d9c KH |
105 | int i; |
| 106 | ||
| c0718df4 PW |
107 | /* |
| 108 | * XXX Will depend on the process, validation, and binning | |
| 109 | * for the currently-running IC | |
| 110 | */ | |
| 3ddd4d0c | 111 | #ifdef CONFIG_PM_OPP |
| c0718df4 | 112 | if (cpu_is_omap3630()) { |
| e3277880 KH |
113 | omap3_voltdm_mpu.volt_data = omap36xx_vddmpu_volt_data; |
| 114 | omap3_voltdm_core.volt_data = omap36xx_vddcore_volt_data; | |
| c0718df4 | 115 | } else { |
| e3277880 KH |
116 | omap3_voltdm_mpu.volt_data = omap34xx_vddmpu_volt_data; |
| 117 | omap3_voltdm_core.volt_data = omap34xx_vddcore_volt_data; | |
| c0718df4 | 118 | } |
| 3ddd4d0c | 119 | #endif |
| c0718df4 | 120 | |
| 68a88b98 | 121 | if (soc_is_am35xx()) |
| ddf536d0 PW |
122 | voltdms = voltagedomains_am35xx; |
| 123 | else | |
| 124 | voltdms = voltagedomains_omap3; | |
| 125 | ||
| 126 | for (i = 0; voltdm = voltdms[i], voltdm; i++) | |
| 0e2f3d9c KH |
127 | voltdm->sys_clk.name = sys_clk_name; |
| 128 | ||
| ddf536d0 | 129 | voltdm_init(voltdms); |
| c0718df4 | 130 | }; |