projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| c0718df4 PW |
1 | /* |
| 2 | * OMAP3/OMAP4 Voltage Management Routines | |
| 3 | * | |
| 4 | * Author: Thara Gopinath <thara@ti.com> | |
| 5 | * | |
| 6 | * Copyright (C) 2007 Texas Instruments, Inc. | |
| 7 | * Rajendra Nayak <rnayak@ti.com> | |
| 8 | * Lesly A M <x0080970@ti.com> | |
| 9 | * | |
| 10 | * Copyright (C) 2008 Nokia Corporation | |
| 11 | * Kalle Jokiniemi | |
| 12 | * | |
| 13 | * Copyright (C) 2010 Texas Instruments, Inc. | |
| 14 | * Thara Gopinath <thara@ti.com> | |
| 15 | * | |
| 16 | * This program is free software; you can redistribute it and/or modify | |
| 17 | * it under the terms of the GNU General Public License version 2 as | |
| 18 | * published by the Free Software Foundation. | |
| 19 | */ | |
| 20 | #include <linux/kernel.h> | |
| 21 | #include <linux/err.h> | |
| 22 | #include <linux/init.h> | |
| 23 | ||
| 4e65331c | 24 | #include "common.h" |
| 89ab216b | 25 | #include "soc.h" |
| c0718df4 PW |
26 | #include "prm-regbits-44xx.h" |
| 27 | #include "prm44xx.h" | |
| 28 | #include "prcm44xx.h" | |
| 29 | #include "prminst44xx.h" | |
| 30 | #include "voltage.h" | |
| 31 | #include "omap_opp_data.h" | |
| 32 | #include "vc.h" | |
| 33 | #include "vp.h" | |
| 34 | ||
| 5892bb1f | 35 | static const struct omap_vfsm_instance omap4_vdd_mpu_vfsm = { |
| c0718df4 | 36 | .voltsetup_reg = OMAP4_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET, |
| 27c16b70 | 37 | .voltsetup_off_reg = OMAP4_PRM_VOLTSETUP_MPU_OFF_OFFSET, |
| c0718df4 PW |
38 | }; |
| 39 | ||
| 5892bb1f | 40 | static const struct omap_vfsm_instance omap4_vdd_iva_vfsm = { |
| c0718df4 | 41 | .voltsetup_reg = OMAP4_PRM_VOLTSETUP_IVA_RET_SLEEP_OFFSET, |
| 27c16b70 | 42 | .voltsetup_off_reg = OMAP4_PRM_VOLTSETUP_IVA_OFF_OFFSET, |
| c0718df4 PW |
43 | }; |
| 44 | ||
| 5892bb1f | 45 | static const struct omap_vfsm_instance omap4_vdd_core_vfsm = { |
| c0718df4 | 46 | .voltsetup_reg = OMAP4_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET, |
| 27c16b70 | 47 | .voltsetup_off_reg = OMAP4_PRM_VOLTSETUP_CORE_OFF_OFFSET, |
| c0718df4 PW |
48 | }; |
| 49 | ||
| 81a60482 KH |
50 | static struct voltagedomain omap4_voltdm_mpu = { |
| 51 | .name = "mpu", | |
| 37efca7e | 52 | .scalable = true, |
| 4bcc475e KH |
53 | .read = omap4_prm_vcvp_read, |
| 54 | .write = omap4_prm_vcvp_write, | |
| 55 | .rmw = omap4_prm_vcvp_rmw, | |
| d84adcf4 | 56 | .vc = &omap4_vc_mpu, |
| 5892bb1f | 57 | .vfsm = &omap4_vdd_mpu_vfsm, |
| b7ea803e | 58 | .vp = &omap4_vp_mpu, |
| c0718df4 PW |
59 | }; |
| 60 | ||
| 81a60482 KH |
61 | static struct voltagedomain omap4_voltdm_iva = { |
| 62 | .name = "iva", | |
| 37efca7e | 63 | .scalable = true, |
| 4bcc475e KH |
64 | .read = omap4_prm_vcvp_read, |
| 65 | .write = omap4_prm_vcvp_write, | |
| 66 | .rmw = omap4_prm_vcvp_rmw, | |
| d84adcf4 | 67 | .vc = &omap4_vc_iva, |
| 5892bb1f | 68 | .vfsm = &omap4_vdd_iva_vfsm, |
| b7ea803e | 69 | .vp = &omap4_vp_iva, |
| 81a60482 KH |
70 | }; |
| 71 | ||
| 72 | static struct voltagedomain omap4_voltdm_core = { | |
| 73 | .name = "core", | |
| 37efca7e | 74 | .scalable = true, |
| 4bcc475e KH |
75 | .read = omap4_prm_vcvp_read, |
| 76 | .write = omap4_prm_vcvp_write, | |
| 77 | .rmw = omap4_prm_vcvp_rmw, | |
| d84adcf4 | 78 | .vc = &omap4_vc_core, |
| 5892bb1f | 79 | .vfsm = &omap4_vdd_core_vfsm, |
| b7ea803e | 80 | .vp = &omap4_vp_core, |
| 81a60482 | 81 | }; |
| c0718df4 | 82 | |
| 7e1b9405 BC |
83 | static struct voltagedomain omap4_voltdm_wkup = { |
| 84 | .name = "wakeup", | |
| 85 | }; | |
| 86 | ||
| 81a60482 KH |
87 | static struct voltagedomain *voltagedomains_omap4[] __initdata = { |
| 88 | &omap4_voltdm_mpu, | |
| 89 | &omap4_voltdm_iva, | |
| 90 | &omap4_voltdm_core, | |
| 7e1b9405 | 91 | &omap4_voltdm_wkup, |
| 81a60482 KH |
92 | NULL, |
| 93 | }; | |
| 94 | ||
| 19c233b7 | 95 | static const char *const sys_clk_name __initconst = "sys_clkin_ck"; |
| 0e2f3d9c | 96 | |
| 81a60482 KH |
97 | void __init omap44xx_voltagedomains_init(void) |
| 98 | { | |
| 0e2f3d9c KH |
99 | struct voltagedomain *voltdm; |
| 100 | int i; | |
| 101 | ||
| c0718df4 PW |
102 | /* |
| 103 | * XXX Will depend on the process, validation, and binning | |
| 104 | * for the currently-running IC | |
| 105 | */ | |
| 3ddd4d0c | 106 | #ifdef CONFIG_PM_OPP |
| df7cded3 VS |
107 | if (cpu_is_omap443x()) { |
| 108 | omap4_voltdm_mpu.volt_data = omap443x_vdd_mpu_volt_data; | |
| 109 | omap4_voltdm_iva.volt_data = omap443x_vdd_iva_volt_data; | |
| 110 | omap4_voltdm_core.volt_data = omap443x_vdd_core_volt_data; | |
| 111 | } else if (cpu_is_omap446x()) { | |
| 112 | omap4_voltdm_mpu.volt_data = omap446x_vdd_mpu_volt_data; | |
| 113 | omap4_voltdm_iva.volt_data = omap446x_vdd_iva_volt_data; | |
| 114 | omap4_voltdm_core.volt_data = omap446x_vdd_core_volt_data; | |
| 115 | } | |
| 3ddd4d0c | 116 | #endif |
| c0718df4 | 117 | |
| 8b5d8c0d TK |
118 | omap4_voltdm_mpu.vp_param = &omap4_mpu_vp_data; |
| 119 | omap4_voltdm_iva.vp_param = &omap4_iva_vp_data; | |
| 120 | omap4_voltdm_core.vp_param = &omap4_core_vp_data; | |
| 121 | ||
| 122 | omap4_voltdm_mpu.vc_param = &omap4_mpu_vc_data; | |
| 123 | omap4_voltdm_iva.vc_param = &omap4_iva_vc_data; | |
| 124 | omap4_voltdm_core.vc_param = &omap4_core_vc_data; | |
| 125 | ||
| 0e2f3d9c KH |
126 | for (i = 0; voltdm = voltagedomains_omap4[i], voltdm; i++) |
| 127 | voltdm->sys_clk.name = sys_clk_name; | |
| 128 | ||
| 81a60482 | 129 | voltdm_init(voltagedomains_omap4); |
| c0718df4 | 130 | }; |