diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/reset/sti/reset-stih415.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/reset/sti/reset-stih415.c b/drivers/reset/sti/reset-stih415.c index 56c214644dd9..e6f6c41abe12 100644 --- a/drivers/reset/sti/reset-stih415.c +++ b/drivers/reset/sti/reset-stih415.c @@ -31,12 +31,29 @@ static const char stih415_lpm[] = "st,stih415-lpm-syscfg"; #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), @@ -49,15 +66,33 @@ static const struct syscfg_reset_channel_data stih415_powerdowns[] = { [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), +}; + 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 struct of_device_id stih415_reset_match[] = { { .compatible = "st,stih415-powerdown", .data = &stih415_powerdown_controller, }, + { .compatible = "st,stih415-softreset", + .data = &stih415_softreset_controller, }, {}, }; |