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oxnas: restart: use register definitions from dt-bindings 

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
openwrt-19.07
Daniel Golle 2019-03-03 22:09:33 +01:00
parent dcb08049ae
commit 302f7d57a9
1 changed files with 27 additions and 60 deletions
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87
target/linux/oxnas/files/drivers/power/reset/oxnas-restart.c
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@ -19,40 +19,7 @@
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/reboot.h> #include <linux/reboot.h>
#include <linux/regmap.h> #include <linux/regmap.h>
#include <dt-bindings/reset/oxsemi,ox820.h>
/* bit numbers of reset control register */
#define SYS_CTRL_RST_SCU 0
#define SYS_CTRL_RST_COPRO 1
#define SYS_CTRL_RST_ARM0 2
#define SYS_CTRL_RST_ARM1 3
#define SYS_CTRL_RST_USBHS 4
#define SYS_CTRL_RST_USBHSPHYA 5
#define SYS_CTRL_RST_MACA 6
#define SYS_CTRL_RST_MAC SYS_CTRL_RST_MACA
#define SYS_CTRL_RST_PCIEA 7
#define SYS_CTRL_RST_SGDMA 8
#define SYS_CTRL_RST_CIPHER 9
#define SYS_CTRL_RST_DDR 10
#define SYS_CTRL_RST_SATA 11
#define SYS_CTRL_RST_SATA_LINK 12
#define SYS_CTRL_RST_SATA_PHY 13
#define SYS_CTRL_RST_PCIEPHY 14
#define SYS_CTRL_RST_STATIC 15
#define SYS_CTRL_RST_GPIO 16
#define SYS_CTRL_RST_UART1 17
#define SYS_CTRL_RST_UART2 18
#define SYS_CTRL_RST_MISC 19
#define SYS_CTRL_RST_I2S 20
#define SYS_CTRL_RST_SD 21
#define SYS_CTRL_RST_MACB 22
#define SYS_CTRL_RST_PCIEB 23
#define SYS_CTRL_RST_VIDEO 24
#define SYS_CTRL_RST_DDR_PHY 25
#define SYS_CTRL_RST_USBHSPHYB 26
#define SYS_CTRL_RST_USBDEV 27
#define SYS_CTRL_RST_ARMDBG 29
#define SYS_CTRL_RST_PLLA 30
#define SYS_CTRL_RST_PLLB 31
/* bit numbers of clock control register */ /* bit numbers of clock control register */
#define SYS_CTRL_CLK_COPRO 0 #define SYS_CTRL_CLK_COPRO 0
@ -110,33 +77,33 @@ static int oxnas_restart_handle(struct notifier_block *this,
* Don't touch the DDR interface as things will come to an impromptu stop * Don't touch the DDR interface as things will come to an impromptu stop
* NB Possibly should be asserting reset for PLLB, but there are timing * NB Possibly should be asserting reset for PLLB, but there are timing
* concerns here according to the docs */ * concerns here according to the docs */
value = BIT(SYS_CTRL_RST_COPRO) | value = BIT(RESET_LEON) |
BIT(SYS_CTRL_RST_USBHS) | BIT(RESET_USBHS) |
BIT(SYS_CTRL_RST_USBHSPHYA) | BIT(RESET_USBPHYA) |
BIT(SYS_CTRL_RST_MACA) | BIT(RESET_MAC) |
BIT(SYS_CTRL_RST_PCIEA) | BIT(RESET_PCIEA) |
BIT(SYS_CTRL_RST_SGDMA) | BIT(RESET_SGDMA) |
BIT(SYS_CTRL_RST_CIPHER) | BIT(RESET_CIPHER) |
BIT(SYS_CTRL_RST_SATA) | BIT(RESET_SATA) |
BIT(SYS_CTRL_RST_SATA_LINK) | BIT(RESET_SATA_LINK) |
BIT(SYS_CTRL_RST_SATA_PHY) | BIT(RESET_SATA_PHY) |
BIT(SYS_CTRL_RST_PCIEPHY) | BIT(RESET_PCIEPHY) |
BIT(SYS_CTRL_RST_STATIC) | BIT(RESET_NAND) |
BIT(SYS_CTRL_RST_UART1) | BIT(RESET_UART1) |
BIT(SYS_CTRL_RST_UART2) | BIT(RESET_UART2) |
BIT(SYS_CTRL_RST_MISC) | BIT(RESET_MISC) |
BIT(SYS_CTRL_RST_I2S) | BIT(RESET_I2S) |
BIT(SYS_CTRL_RST_SD) | BIT(RESET_SD) |
BIT(SYS_CTRL_RST_MACB) | BIT(RESET_MAC_2) |
BIT(SYS_CTRL_RST_PCIEB) | BIT(RESET_PCIEB) |
BIT(SYS_CTRL_RST_VIDEO) | BIT(RESET_VIDEO) |
BIT(SYS_CTRL_RST_USBHSPHYB) | BIT(RESET_USBPHYB) |
BIT(SYS_CTRL_RST_USBDEV); BIT(RESET_USBDEV);
regmap_write(ctx->sys_ctrl, RST_SET_REGOFFSET, value); regmap_write(ctx->sys_ctrl, RST_SET_REGOFFSET, value);
/* Release reset to cores as per power on defaults */ /* Release reset to cores as per power on defaults */
regmap_write(ctx->sys_ctrl, RST_CLR_REGOFFSET, BIT(SYS_CTRL_RST_GPIO)); regmap_write(ctx->sys_ctrl, RST_CLR_REGOFFSET, BIT(RESET_GPIO));
/* Disable clocks to cores as per power-on defaults - must leave DDR /* Disable clocks to cores as per power-on defaults - must leave DDR
* related clocks enabled otherwise we'll stop rather abruptly. */ * related clocks enabled otherwise we'll stop rather abruptly. */
@ -179,9 +146,9 @@ static int oxnas_restart_handle(struct notifier_block *this,
* reset is due to power cycling or programatic action, just hit the * reset is due to power cycling or programatic action, just hit the
* (self-clearing) CPU reset bit of the block reset register */ * (self-clearing) CPU reset bit of the block reset register */
value = value =
BIT(SYS_CTRL_RST_SCU) | BIT(RESET_SCU) |
BIT(SYS_CTRL_RST_ARM0) | BIT(RESET_ARM0) |
BIT(SYS_CTRL_RST_ARM1); BIT(RESET_ARM1);
regmap_write(ctx->sys_ctrl, RST_SET_REGOFFSET, value); regmap_write(ctx->sys_ctrl, RST_SET_REGOFFSET, value);