+++ /dev/null
-/*
- * Copyright (C) 2013 STMicroelectronics (R&D) Limited
- * Author: Stephen Gallimore <stephen.gallimore@st.com>
- * Author: Srinivas Kandagatla <srinivas.kandagatla@st.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/of_platform.h>
-#include <linux/platform_device.h>
-
-#include <dt-bindings/reset/stih415-resets.h>
-
-#include "reset-syscfg.h"
-
-/*
- * STiH415 Peripheral powerdown definitions.
- */
-static const char stih415_front[] = "st,stih415-front-syscfg";
-static const char stih415_rear[] = "st,stih415-rear-syscfg";
-static const char stih415_sbc[] = "st,stih415-sbc-syscfg";
-static const char stih415_lpm[] = "st,stih415-lpm-syscfg";
-
-#define STIH415_PDN_FRONT(_bit) \
- _SYSCFG_RST_CH(stih415_front, SYSCFG_114, _bit, SYSSTAT_187, _bit)
-
-#define STIH415_PDN_REAR(_cntl, _stat) \
- _SYSCFG_RST_CH(stih415_rear, SYSCFG_336, _cntl, SYSSTAT_384, _stat)
-
-#define STIH415_SRST_REAR(_reg, _bit) \
- _SYSCFG_RST_CH_NO_ACK(stih415_rear, _reg, _bit)
-
-#define STIH415_SRST_SBC(_reg, _bit) \
- _SYSCFG_RST_CH_NO_ACK(stih415_sbc, _reg, _bit)
-
-#define STIH415_SRST_FRONT(_reg, _bit) \
- _SYSCFG_RST_CH_NO_ACK(stih415_front, _reg, _bit)
-
-#define STIH415_SRST_LPM(_reg, _bit) \
- _SYSCFG_RST_CH_NO_ACK(stih415_lpm, _reg, _bit)
-
-#define SYSCFG_114 0x38 /* Powerdown request EMI/NAND/Keyscan */
-#define SYSSTAT_187 0x15c /* Powerdown status EMI/NAND/Keyscan */
-
-#define SYSCFG_336 0x90 /* Powerdown request USB/SATA/PCIe */
-#define SYSSTAT_384 0x150 /* Powerdown status USB/SATA/PCIe */
-
-#define SYSCFG_376 0x130 /* Reset generator 0 control 0 */
-#define SYSCFG_166 0x108 /* Softreset Ethernet 0 */
-#define SYSCFG_31 0x7c /* Softreset Ethernet 1 */
-#define LPM_SYSCFG_1 0x4 /* Softreset IRB */
-
-static const struct syscfg_reset_channel_data stih415_powerdowns[] = {
- [STIH415_EMISS_POWERDOWN] = STIH415_PDN_FRONT(0),
- [STIH415_NAND_POWERDOWN] = STIH415_PDN_FRONT(1),
- [STIH415_KEYSCAN_POWERDOWN] = STIH415_PDN_FRONT(2),
- [STIH415_USB0_POWERDOWN] = STIH415_PDN_REAR(0, 0),
- [STIH415_USB1_POWERDOWN] = STIH415_PDN_REAR(1, 1),
- [STIH415_USB2_POWERDOWN] = STIH415_PDN_REAR(2, 2),
- [STIH415_SATA0_POWERDOWN] = STIH415_PDN_REAR(3, 3),
- [STIH415_SATA1_POWERDOWN] = STIH415_PDN_REAR(4, 4),
- [STIH415_PCIE_POWERDOWN] = STIH415_PDN_REAR(5, 8),
-};
-
-static const struct syscfg_reset_channel_data stih415_softresets[] = {
- [STIH415_ETH0_SOFTRESET] = STIH415_SRST_FRONT(SYSCFG_166, 0),
- [STIH415_ETH1_SOFTRESET] = STIH415_SRST_SBC(SYSCFG_31, 0),
- [STIH415_IRB_SOFTRESET] = STIH415_SRST_LPM(LPM_SYSCFG_1, 6),
- [STIH415_USB0_SOFTRESET] = STIH415_SRST_REAR(SYSCFG_376, 9),
- [STIH415_USB1_SOFTRESET] = STIH415_SRST_REAR(SYSCFG_376, 10),
- [STIH415_USB2_SOFTRESET] = STIH415_SRST_REAR(SYSCFG_376, 11),
- [STIH415_KEYSCAN_SOFTRESET] = STIH415_SRST_LPM(LPM_SYSCFG_1, 8),
-};
-
-static struct syscfg_reset_controller_data stih415_powerdown_controller = {
- .wait_for_ack = true,
- .nr_channels = ARRAY_SIZE(stih415_powerdowns),
- .channels = stih415_powerdowns,
-};
-
-static struct syscfg_reset_controller_data stih415_softreset_controller = {
- .wait_for_ack = false,
- .active_low = true,
- .nr_channels = ARRAY_SIZE(stih415_softresets),
- .channels = stih415_softresets,
-};
-
-static const struct of_device_id stih415_reset_match[] = {
- { .compatible = "st,stih415-powerdown",
- .data = &stih415_powerdown_controller, },
- { .compatible = "st,stih415-softreset",
- .data = &stih415_softreset_controller, },
- {},
-};
-
-static struct platform_driver stih415_reset_driver = {
- .probe = syscfg_reset_probe,
- .driver = {
- .name = "reset-stih415",
- .of_match_table = stih415_reset_match,
- },
-};
-
-static int __init stih415_reset_init(void)
-{
- return platform_driver_register(&stih415_reset_driver);
-}
-arch_initcall(stih415_reset_init);
+++ /dev/null
-/*
- * Copyright (C) 2013 STMicroelectronics (R&D) Limited
- * Author: Stephen Gallimore <stephen.gallimore@st.com>
- * Author: Srinivas Kandagatla <srinivas.kandagatla@st.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/of_platform.h>
-#include <linux/platform_device.h>
-
-#include <dt-bindings/reset/stih416-resets.h>
-
-#include "reset-syscfg.h"
-
-/*
- * STiH416 Peripheral powerdown definitions.
- */
-static const char stih416_front[] = "st,stih416-front-syscfg";
-static const char stih416_rear[] = "st,stih416-rear-syscfg";
-static const char stih416_sbc[] = "st,stih416-sbc-syscfg";
-static const char stih416_lpm[] = "st,stih416-lpm-syscfg";
-static const char stih416_cpu[] = "st,stih416-cpu-syscfg";
-
-#define STIH416_PDN_FRONT(_bit) \
- _SYSCFG_RST_CH(stih416_front, SYSCFG_1500, _bit, SYSSTAT_1578, _bit)
-
-#define STIH416_PDN_REAR(_cntl, _stat) \
- _SYSCFG_RST_CH(stih416_rear, SYSCFG_2525, _cntl, SYSSTAT_2583, _stat)
-
-#define SYSCFG_1500 0x7d0 /* Powerdown request EMI/NAND/Keyscan */
-#define SYSSTAT_1578 0x908 /* Powerdown status EMI/NAND/Keyscan */
-
-#define SYSCFG_2525 0x834 /* Powerdown request USB/SATA/PCIe */
-#define SYSSTAT_2583 0x91c /* Powerdown status USB/SATA/PCIe */
-
-#define SYSCFG_2552 0x8A0 /* Reset Generator control 0 */
-#define SYSCFG_1539 0x86c /* Softreset Ethernet 0 */
-#define SYSCFG_510 0x7f8 /* Softreset Ethernet 1 */
-#define LPM_SYSCFG_1 0x4 /* Softreset IRB */
-#define SYSCFG_2553 0x8a4 /* Softreset SATA0/1, PCIE0/1 */
-#define SYSCFG_7563 0x8cc /* MPE softresets 0 */
-#define SYSCFG_7564 0x8d0 /* MPE softresets 1 */
-
-#define STIH416_SRST_CPU(_reg, _bit) \
- _SYSCFG_RST_CH_NO_ACK(stih416_cpu, _reg, _bit)
-
-#define STIH416_SRST_FRONT(_reg, _bit) \
- _SYSCFG_RST_CH_NO_ACK(stih416_front, _reg, _bit)
-
-#define STIH416_SRST_REAR(_reg, _bit) \
- _SYSCFG_RST_CH_NO_ACK(stih416_rear, _reg, _bit)
-
-#define STIH416_SRST_LPM(_reg, _bit) \
- _SYSCFG_RST_CH_NO_ACK(stih416_lpm, _reg, _bit)
-
-#define STIH416_SRST_SBC(_reg, _bit) \
- _SYSCFG_RST_CH_NO_ACK(stih416_sbc, _reg, _bit)
-
-static const struct syscfg_reset_channel_data stih416_powerdowns[] = {
- [STIH416_EMISS_POWERDOWN] = STIH416_PDN_FRONT(0),
- [STIH416_NAND_POWERDOWN] = STIH416_PDN_FRONT(1),
- [STIH416_KEYSCAN_POWERDOWN] = STIH416_PDN_FRONT(2),
- [STIH416_USB0_POWERDOWN] = STIH416_PDN_REAR(0, 0),
- [STIH416_USB1_POWERDOWN] = STIH416_PDN_REAR(1, 1),
- [STIH416_USB2_POWERDOWN] = STIH416_PDN_REAR(2, 2),
- [STIH416_USB3_POWERDOWN] = STIH416_PDN_REAR(6, 5),
- [STIH416_SATA0_POWERDOWN] = STIH416_PDN_REAR(3, 3),
- [STIH416_SATA1_POWERDOWN] = STIH416_PDN_REAR(4, 4),
- [STIH416_PCIE0_POWERDOWN] = STIH416_PDN_REAR(7, 9),
- [STIH416_PCIE1_POWERDOWN] = STIH416_PDN_REAR(5, 8),
-};
-
-static const struct syscfg_reset_channel_data stih416_softresets[] = {
- [STIH416_ETH0_SOFTRESET] = STIH416_SRST_FRONT(SYSCFG_1539, 0),
- [STIH416_ETH1_SOFTRESET] = STIH416_SRST_SBC(SYSCFG_510, 0),
- [STIH416_IRB_SOFTRESET] = STIH416_SRST_LPM(LPM_SYSCFG_1, 6),
- [STIH416_USB0_SOFTRESET] = STIH416_SRST_REAR(SYSCFG_2552, 9),
- [STIH416_USB1_SOFTRESET] = STIH416_SRST_REAR(SYSCFG_2552, 10),
- [STIH416_USB2_SOFTRESET] = STIH416_SRST_REAR(SYSCFG_2552, 11),
- [STIH416_USB3_SOFTRESET] = STIH416_SRST_REAR(SYSCFG_2552, 28),
- [STIH416_SATA0_SOFTRESET] = STIH416_SRST_REAR(SYSCFG_2553, 7),
- [STIH416_SATA1_SOFTRESET] = STIH416_SRST_REAR(SYSCFG_2553, 3),
- [STIH416_PCIE0_SOFTRESET] = STIH416_SRST_REAR(SYSCFG_2553, 15),
- [STIH416_PCIE1_SOFTRESET] = STIH416_SRST_REAR(SYSCFG_2553, 2),
- [STIH416_AUD_DAC_SOFTRESET] = STIH416_SRST_REAR(SYSCFG_2553, 14),
- [STIH416_HDTVOUT_SOFTRESET] = STIH416_SRST_REAR(SYSCFG_2552, 5),
- [STIH416_VTAC_M_RX_SOFTRESET] = STIH416_SRST_REAR(SYSCFG_2552, 25),
- [STIH416_VTAC_A_RX_SOFTRESET] = STIH416_SRST_REAR(SYSCFG_2552, 26),
- [STIH416_SYNC_HD_SOFTRESET] = STIH416_SRST_REAR(SYSCFG_2553, 5),
- [STIH416_SYNC_SD_SOFTRESET] = STIH416_SRST_REAR(SYSCFG_2553, 6),
- [STIH416_BLITTER_SOFTRESET] = STIH416_SRST_CPU(SYSCFG_7563, 10),
- [STIH416_GPU_SOFTRESET] = STIH416_SRST_CPU(SYSCFG_7563, 11),
- [STIH416_VTAC_M_TX_SOFTRESET] = STIH416_SRST_CPU(SYSCFG_7563, 18),
- [STIH416_VTAC_A_TX_SOFTRESET] = STIH416_SRST_CPU(SYSCFG_7563, 19),
- [STIH416_VTG_AUX_SOFTRESET] = STIH416_SRST_CPU(SYSCFG_7563, 21),
- [STIH416_JPEG_DEC_SOFTRESET] = STIH416_SRST_CPU(SYSCFG_7563, 23),
- [STIH416_HVA_SOFTRESET] = STIH416_SRST_CPU(SYSCFG_7564, 2),
- [STIH416_COMPO_M_SOFTRESET] = STIH416_SRST_CPU(SYSCFG_7564, 3),
- [STIH416_COMPO_A_SOFTRESET] = STIH416_SRST_CPU(SYSCFG_7564, 4),
- [STIH416_VP8_DEC_SOFTRESET] = STIH416_SRST_CPU(SYSCFG_7564, 10),
- [STIH416_VTG_MAIN_SOFTRESET] = STIH416_SRST_CPU(SYSCFG_7564, 16),
- [STIH416_KEYSCAN_SOFTRESET] = STIH416_SRST_LPM(LPM_SYSCFG_1, 8),
-};
-
-static struct syscfg_reset_controller_data stih416_powerdown_controller = {
- .wait_for_ack = true,
- .nr_channels = ARRAY_SIZE(stih416_powerdowns),
- .channels = stih416_powerdowns,
-};
-
-static struct syscfg_reset_controller_data stih416_softreset_controller = {
- .wait_for_ack = false,
- .active_low = true,
- .nr_channels = ARRAY_SIZE(stih416_softresets),
- .channels = stih416_softresets,
-};
-
-static const struct of_device_id stih416_reset_match[] = {
- { .compatible = "st,stih416-powerdown",
- .data = &stih416_powerdown_controller, },
- { .compatible = "st,stih416-softreset",
- .data = &stih416_softreset_controller, },
- {},
-};
-
-static struct platform_driver stih416_reset_driver = {
- .probe = syscfg_reset_probe,
- .driver = {
- .name = "reset-stih416",
- .of_match_table = stih416_reset_match,
- },
-};
-
-static int __init stih416_reset_init(void)
-{
- return platform_driver_register(&stih416_reset_driver);
-}
-arch_initcall(stih416_reset_init);
projects / karo-tx-linux.git / commitdiff