diff options
| author |   kettenis <kettenis@openbsd.org> | 2019-10-27 19:19:10 +0000 |
|---|---|---|
| committer | kettenis <kettenis@openbsd.org> | 2019-10-27 19:19:10 +0000 |
| commit | a3745ba7da9b2048caae8fccda3843be832e00d9 (patch) | |
| tree | 0e92730f128fd330bddc45cad65b31a957f90b2d /sys/dev/fdt/imxsrc.c | |
| parent | No need for <sys/uio.h> as writev(2) isn't used any more. (diff) | |
| download | wireguard-openbsd-a3745ba7da9b2048caae8fccda3843be832e00d9.tar.xz wireguard-openbsd-a3745ba7da9b2048caae8fccda3843be832e00d9.zip | |
Add i.MX5/6 support and enable this driver on armv7(4).
ok jsg@, patrick@
Diffstat (limited to 'sys/dev/fdt/imxsrc.c')
| -rw-r--r-- | sys/dev/fdt/imxsrc.c | 61 |
1 files changed, 48 insertions, 13 deletions
diff --git a/sys/dev/fdt/imxsrc.c b/sys/dev/fdt/imxsrc.c index 8a829d86ecb..d71fc8aecff 100644 --- a/sys/dev/fdt/imxsrc.c +++ b/sys/dev/fdt/imxsrc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: imxsrc.c,v 1.3 2019/09/09 20:00:51 patrick Exp $ */ +/* $OpenBSD: imxsrc.c,v 1.4 2019/10/27 19:19:10 kettenis Exp $ */ /* * Copyright (c) 2019 Patrick Wildt <patrick@blueri.se> * @@ -20,13 +20,26 @@ #include <sys/device.h> #include <sys/malloc.h> -#include <machine/cpufunc.h> +#include <machine/bus.h> #include <machine/fdt.h> #include <dev/ofw/openfirm.h> #include <dev/ofw/ofw_clock.h> #include <dev/ofw/fdt.h> +#define IMX51_RESET_GPU 0 +#define IMX51_RESET_VPU 1 +#define IMX51_RESET_IPU1 2 +#define IMX51_RESET_OPEN_VG 3 +#define IMX51_RESET_IPU2 4 + +#define SRC_SCR 0x00 +#define SRC_SCR_SW_GPU_RST (1 << 1) +#define SRC_SCR_SW_VPU_RST (1 << 2) +#define SRC_SCR_SW_IPU1_RST (1 << 3) +#define SRC_SCR_SW_OPEN_VG_RST (1 << 4) +#define SRC_SCR_SW_IPU2_RST (1 << 12) + #define IMX8M_RESET_PCIEPHY 26 #define IMX8M_RESET_PCIEPHY_PERST 27 #define IMX8M_RESET_PCIE_CTRL_APPS_EN 28 @@ -49,15 +62,31 @@ struct imxsrc_reset { uint32_t bit; }; +struct imxsrc_reset imx51_resets[] = { + [IMX51_RESET_GPU] = { SRC_SCR, SRC_SCR_SW_GPU_RST }, + [IMX51_RESET_VPU] = { SRC_SCR, SRC_SCR_SW_VPU_RST }, + [IMX51_RESET_IPU1] = { SRC_SCR, SRC_SCR_SW_IPU1_RST }, + [IMX51_RESET_OPEN_VG] = { SRC_SCR, SRC_SCR_SW_OPEN_VG_RST }, + [IMX51_RESET_IPU2] = { SRC_SCR, SRC_SCR_SW_IPU2_RST }, +}; + struct imxsrc_reset imx8m_resets[] = { - [IMX8M_RESET_PCIEPHY] = { SRC_PCIE1_RCR, SRC_PCIE_RCR_PCIEPHY_G_RST | SRC_PCIE_RCR_PCIEPHY_BTN }, - [IMX8M_RESET_PCIEPHY_PERST] = { SRC_PCIE1_RCR, SRC_PCIE_RCR_PCIEPHY_PERST }, - [IMX8M_RESET_PCIE_CTRL_APPS_EN] = { SRC_PCIE1_RCR, SRC_PCIE_RCR_PCIE_CTRL_APPS_EN }, - [IMX8M_RESET_PCIE_CTRL_APPS_TURNOFF] = { SRC_PCIE1_RCR, SRC_PCIE_RCR_PCIE_CTRL_APPS_TURNOFF }, - [IMX8M_RESET_PCIE2PHY] = { SRC_PCIE2_RCR, SRC_PCIE_RCR_PCIEPHY_G_RST | SRC_PCIE_RCR_PCIEPHY_BTN }, - [IMX8M_RESET_PCIE2PHY_PERST] = { SRC_PCIE2_RCR, SRC_PCIE_RCR_PCIEPHY_PERST }, - [IMX8M_RESET_PCIE2_CTRL_APPS_EN] = { SRC_PCIE2_RCR, SRC_PCIE_RCR_PCIE_CTRL_APPS_EN }, - [IMX8M_RESET_PCIE2_CTRL_APPS_TURNOFF] = { SRC_PCIE2_RCR, SRC_PCIE_RCR_PCIE_CTRL_APPS_TURNOFF }, + [IMX8M_RESET_PCIEPHY] = { SRC_PCIE1_RCR, + SRC_PCIE_RCR_PCIEPHY_G_RST | SRC_PCIE_RCR_PCIEPHY_BTN }, + [IMX8M_RESET_PCIEPHY_PERST] = { SRC_PCIE1_RCR, + SRC_PCIE_RCR_PCIEPHY_PERST }, + [IMX8M_RESET_PCIE_CTRL_APPS_EN] = { SRC_PCIE1_RCR, + SRC_PCIE_RCR_PCIE_CTRL_APPS_EN }, + [IMX8M_RESET_PCIE_CTRL_APPS_TURNOFF] = { SRC_PCIE1_RCR, + SRC_PCIE_RCR_PCIE_CTRL_APPS_TURNOFF }, + [IMX8M_RESET_PCIE2PHY] = { SRC_PCIE2_RCR, + SRC_PCIE_RCR_PCIEPHY_G_RST | SRC_PCIE_RCR_PCIEPHY_BTN }, + [IMX8M_RESET_PCIE2PHY_PERST] = { SRC_PCIE2_RCR, + SRC_PCIE_RCR_PCIEPHY_PERST }, + [IMX8M_RESET_PCIE2_CTRL_APPS_EN] = { SRC_PCIE2_RCR, + SRC_PCIE_RCR_PCIE_CTRL_APPS_EN }, + [IMX8M_RESET_PCIE2_CTRL_APPS_TURNOFF] = { SRC_PCIE2_RCR, + SRC_PCIE_RCR_PCIE_CTRL_APPS_TURNOFF }, }; #define HREAD4(sc, reg) \ @@ -95,7 +124,8 @@ imxsrc_match(struct device *parent, void *match, void *aux) { struct fdt_attach_args *faa = aux; - if (OF_is_compatible(faa->fa_node, "fsl,imx8mq-src")) + if (OF_is_compatible(faa->fa_node, "fsl,imx51-src") || + OF_is_compatible(faa->fa_node, "fsl,imx8mq-src")) return 10; /* Must beat syscon(4). */ return 0; @@ -114,8 +144,13 @@ imxsrc_attach(struct device *parent, struct device *self, void *aux) faa->fa_reg[0].size, 0, &sc->sc_ioh)) panic("%s: bus_space_map failed!", __func__); - sc->sc_resets = imx8m_resets; - sc->sc_nresets = nitems(imx8m_resets); + if (OF_is_compatible(faa->fa_node, "fsl,imx51-src")) { + sc->sc_resets = imx51_resets; + sc->sc_nresets = nitems(imx51_resets); + } else { + sc->sc_resets = imx8m_resets; + sc->sc_nresets = nitems(imx8m_resets); + } sc->sc_rd.rd_node = faa->fa_node; sc->sc_rd.rd_cookie = sc; |