| | 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 | |
| | 21 | #include "soc.h" |
| | 22 | #include "common.h" |
| | 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 | |
| | 33 | /* OMAP3-common voltagedomain data */ |
| | 34 | |
| | 35 | static struct voltagedomain omap3_voltdm_wkup = { |
| | 36 | .name = "wakeup", |
| | 37 | }; |
| | 38 | |
| | 39 | /* 34xx/36xx voltagedomain data */ |
| | 40 | |
| | 41 | static const struct omap_vfsm_instance omap3_vdd1_vfsm = { |
| | 42 | .voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET, |
| | 43 | .voltsetup_mask = OMAP3430_SETUP_TIME1_MASK, |
| | 44 | }; |
| | 45 | |
| | 46 | static const struct omap_vfsm_instance omap3_vdd2_vfsm = { |
| | 47 | .voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET, |
| | 48 | .voltsetup_mask = OMAP3430_SETUP_TIME2_MASK, |
| | 49 | }; |
| | 50 | |
| | 51 | static struct voltagedomain omap3_voltdm_mpu = { |
| | 52 | .name = "mpu_iva", |
| | 53 | .scalable = true, |
| | 54 | .read = omap3_prm_vcvp_read, |
| | 55 | .write = omap3_prm_vcvp_write, |
| | 56 | .rmw = omap3_prm_vcvp_rmw, |
| | 57 | .vc = &omap3_vc_mpu, |
| | 58 | .vfsm = &omap3_vdd1_vfsm, |
| | 59 | .vp = &omap3_vp_mpu, |
| | 60 | }; |
| | 61 | |
| | 62 | static struct voltagedomain omap3_voltdm_core = { |
| | 63 | .name = "core", |
| | 64 | .scalable = true, |
| | 65 | .read = omap3_prm_vcvp_read, |
| | 66 | .write = omap3_prm_vcvp_write, |
| | 67 | .rmw = omap3_prm_vcvp_rmw, |
| | 68 | .vc = &omap3_vc_core, |
| | 69 | .vfsm = &omap3_vdd2_vfsm, |
| | 70 | .vp = &omap3_vp_core, |
| | 71 | }; |
| | 72 | |
| | 73 | static struct voltagedomain *voltagedomains_omap3[] __initdata = { |
| | 74 | &omap3_voltdm_mpu, |
| | 75 | &omap3_voltdm_core, |
| | 76 | &omap3_voltdm_wkup, |
| | 77 | NULL, |
| | 78 | }; |
| | 79 | |
| | 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 | |
| | 98 | static const char *sys_clk_name __initdata = "sys_ck"; |
| | 99 | |
| | 100 | void __init omap3xxx_voltagedomains_init(void) |
| | 101 | { |
| | 102 | struct voltagedomain *voltdm; |
| | 103 | struct voltagedomain **voltdms; |
| | 104 | int i; |
| | 105 | |
| | 106 | /* |
| | 107 | * XXX Will depend on the process, validation, and binning |
| | 108 | * for the currently-running IC |
| | 109 | */ |
| | 110 | #ifdef CONFIG_PM_OPP |
| | 111 | if (cpu_is_omap3630()) { |
| | 112 | omap3_voltdm_mpu.volt_data = omap36xx_vddmpu_volt_data; |
| | 113 | omap3_voltdm_core.volt_data = omap36xx_vddcore_volt_data; |
| | 114 | } else { |
| | 115 | omap3_voltdm_mpu.volt_data = omap34xx_vddmpu_volt_data; |
| | 116 | omap3_voltdm_core.volt_data = omap34xx_vddcore_volt_data; |
| | 117 | } |
| | 118 | #endif |
| | 119 | |
| | 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 | |
| | 125 | if (soc_is_am35xx()) |
| | 126 | voltdms = voltagedomains_am35xx; |
| | 127 | else |
| | 128 | voltdms = voltagedomains_omap3; |
| | 129 | |
| | 130 | for (i = 0; voltdm = voltdms[i], voltdm; i++) |
| | 131 | voltdm->sys_clk.name = sys_clk_name; |
| | 132 | |
| | 133 | voltdm_init(voltdms); |
| | 134 | }; |
projects / deliverable / linux.git / blame_incremental