Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 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 | |
| 24 | #include <plat/common.h> |
| 25 | |
| 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 | |
| 35 | static const struct omap_vfsm_instance_data omap4_vdd_mpu_vfsm_data = { |
| 36 | .voltsetup_reg = OMAP4_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET, |
| 37 | }; |
| 38 | |
| 39 | static struct omap_vdd_info omap4_vdd_mpu_info = { |
Kevin Hilman | a7460daf | 2011-03-16 13:35:22 -0700 | [diff] [blame] | 40 | .prm_irqst_mod = OMAP4430_PRM_OCP_SOCKET_INST, |
Kevin Hilman | c39263c | 2011-03-16 17:20:35 -0700 | [diff] [blame] | 41 | .prm_irqst_reg = OMAP4_PRM_IRQSTATUS_MPU_2_OFFSET, |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 42 | .vp_data = &omap4_vp_mpu_data, |
| 43 | .vc_data = &omap4_vc_mpu_data, |
| 44 | .vfsm = &omap4_vdd_mpu_vfsm_data, |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 45 | }; |
| 46 | |
| 47 | static const struct omap_vfsm_instance_data omap4_vdd_iva_vfsm_data = { |
| 48 | .voltsetup_reg = OMAP4_PRM_VOLTSETUP_IVA_RET_SLEEP_OFFSET, |
| 49 | }; |
| 50 | |
| 51 | static struct omap_vdd_info omap4_vdd_iva_info = { |
Kevin Hilman | a7460daf | 2011-03-16 13:35:22 -0700 | [diff] [blame] | 52 | .prm_irqst_mod = OMAP4430_PRM_OCP_SOCKET_INST, |
Kevin Hilman | c39263c | 2011-03-16 17:20:35 -0700 | [diff] [blame] | 53 | .prm_irqst_reg = OMAP4_PRM_IRQSTATUS_MPU_OFFSET, |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 54 | .vp_data = &omap4_vp_iva_data, |
| 55 | .vc_data = &omap4_vc_iva_data, |
| 56 | .vfsm = &omap4_vdd_iva_vfsm_data, |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 57 | }; |
| 58 | |
| 59 | static const struct omap_vfsm_instance_data omap4_vdd_core_vfsm_data = { |
| 60 | .voltsetup_reg = OMAP4_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET, |
| 61 | }; |
| 62 | |
| 63 | static struct omap_vdd_info omap4_vdd_core_info = { |
Kevin Hilman | a7460daf | 2011-03-16 13:35:22 -0700 | [diff] [blame] | 64 | .prm_irqst_mod = OMAP4430_PRM_OCP_SOCKET_INST, |
Kevin Hilman | c39263c | 2011-03-16 17:20:35 -0700 | [diff] [blame] | 65 | .prm_irqst_reg = OMAP4_PRM_IRQSTATUS_MPU_OFFSET, |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 66 | .vp_data = &omap4_vp_core_data, |
| 67 | .vc_data = &omap4_vc_core_data, |
| 68 | .vfsm = &omap4_vdd_core_vfsm_data, |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 69 | }; |
| 70 | |
Kevin Hilman | 81a6048 | 2011-03-16 14:25:45 -0700 | [diff] [blame] | 71 | static struct voltagedomain omap4_voltdm_mpu = { |
| 72 | .name = "mpu", |
Kevin Hilman | 37efca7 | 2011-03-23 17:00:21 -0700 | [diff] [blame] | 73 | .scalable = true, |
Kevin Hilman | 81a6048 | 2011-03-16 14:25:45 -0700 | [diff] [blame] | 74 | .vdd = &omap4_vdd_mpu_info, |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 75 | }; |
| 76 | |
Kevin Hilman | 81a6048 | 2011-03-16 14:25:45 -0700 | [diff] [blame] | 77 | static struct voltagedomain omap4_voltdm_iva = { |
| 78 | .name = "iva", |
Kevin Hilman | 37efca7 | 2011-03-23 17:00:21 -0700 | [diff] [blame] | 79 | .scalable = true, |
Kevin Hilman | 81a6048 | 2011-03-16 14:25:45 -0700 | [diff] [blame] | 80 | .vdd = &omap4_vdd_iva_info, |
| 81 | }; |
| 82 | |
| 83 | static struct voltagedomain omap4_voltdm_core = { |
| 84 | .name = "core", |
Kevin Hilman | 37efca7 | 2011-03-23 17:00:21 -0700 | [diff] [blame] | 85 | .scalable = true, |
Kevin Hilman | 81a6048 | 2011-03-16 14:25:45 -0700 | [diff] [blame] | 86 | .vdd = &omap4_vdd_core_info, |
| 87 | }; |
| 88 | |
Benoit Cousson | 7e1b940 | 2011-03-21 12:11:54 +0100 | [diff] [blame] | 89 | static struct voltagedomain omap4_voltdm_wkup = { |
| 90 | .name = "wakeup", |
| 91 | }; |
| 92 | |
Kevin Hilman | 81a6048 | 2011-03-16 14:25:45 -0700 | [diff] [blame] | 93 | static struct voltagedomain *voltagedomains_omap4[] __initdata = { |
| 94 | &omap4_voltdm_mpu, |
| 95 | &omap4_voltdm_iva, |
| 96 | &omap4_voltdm_core, |
Benoit Cousson | 7e1b940 | 2011-03-21 12:11:54 +0100 | [diff] [blame] | 97 | &omap4_voltdm_wkup, |
Kevin Hilman | 81a6048 | 2011-03-16 14:25:45 -0700 | [diff] [blame] | 98 | NULL, |
| 99 | }; |
| 100 | |
| 101 | void __init omap44xx_voltagedomains_init(void) |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 102 | { |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 103 | /* |
| 104 | * XXX Will depend on the process, validation, and binning |
| 105 | * for the currently-running IC |
| 106 | */ |
| 107 | omap4_vdd_mpu_info.volt_data = omap44xx_vdd_mpu_volt_data; |
| 108 | omap4_vdd_iva_info.volt_data = omap44xx_vdd_iva_volt_data; |
| 109 | omap4_vdd_core_info.volt_data = omap44xx_vdd_core_volt_data; |
| 110 | |
Kevin Hilman | 81a6048 | 2011-03-16 14:25:45 -0700 | [diff] [blame] | 111 | voltdm_init(voltagedomains_omap4); |
Paul Walmsley | c0718df | 2011-03-10 22:17:45 -0700 | [diff] [blame] | 112 | }; |