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| author | Stephen Warren <swarren@nvidia.com> | 2016-07-27 15:24:49 -0600 |
|---|---|---|
| committer | Tom Warren <twarren@nvidia.com> | 2016-08-04 13:36:58 -0700 |
| commit | 729c2db7a977c59ea35bbc56fb1633c17342b3c5 (patch) | |
| tree | cf5408108820049b0f19f017195eb735f0899582 /drivers/mailbox | |
| parent | e1efe43c710bec8d951c25f163cc8b0c5eb92294 (diff) | |
| download | u-boot-729c2db7a977c59ea35bbc56fb1633c17342b3c5.tar.gz u-boot-729c2db7a977c59ea35bbc56fb1633c17342b3c5.tar.bz2 u-boot-729c2db7a977c59ea35bbc56fb1633c17342b3c5.zip | |
ARM: tegra: adapt to latest HSP DT binding
The DT binding for the Tegra186 HSP module apparently wasn't quite final
when I posted initial U-Boot support for it. Add the final DT binding doc
and adapt all code and DT files to match it.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
Diffstat (limited to 'drivers/mailbox')
| -rw-r--r-- | drivers/mailbox/tegra-hsp.c | 47 |
1 files changed, 39 insertions, 8 deletions
diff --git a/drivers/mailbox/tegra-hsp.c b/drivers/mailbox/tegra-hsp.c index 5c781a50b6..3d0362d587 100644 --- a/drivers/mailbox/tegra-hsp.c +++ b/drivers/mailbox/tegra-hsp.c @@ -8,7 +8,19 @@ #include <asm/io.h> #include <dm.h> #include <mailbox-uclass.h> -#include <dt-bindings/mailbox/tegra-hsp.h> +#include <dt-bindings/mailbox/tegra186-hsp.h> + +#define TEGRA_HSP_INT_DIMENSIONING 0x380 +#define TEGRA_HSP_INT_DIMENSIONING_NSI_SHIFT 16 +#define TEGRA_HSP_INT_DIMENSIONING_NSI_MASK 0xf +#define TEGRA_HSP_INT_DIMENSIONING_NDB_SHIFT 12 +#define TEGRA_HSP_INT_DIMENSIONING_NDB_MASK 0xf +#define TEGRA_HSP_INT_DIMENSIONING_NAS_SHIFT 8 +#define TEGRA_HSP_INT_DIMENSIONING_NAS_MASK 0xf +#define TEGRA_HSP_INT_DIMENSIONING_NSS_SHIFT 4 +#define TEGRA_HSP_INT_DIMENSIONING_NSS_MASK 0xf +#define TEGRA_HSP_INT_DIMENSIONING_NSM_SHIFT 0 +#define TEGRA_HSP_INT_DIMENSIONING_NSM_MASK 0xf #define TEGRA_HSP_DB_REG_TRIGGER 0x0 #define TEGRA_HSP_DB_REG_ENABLE 0x4 @@ -51,7 +63,7 @@ static void tegra_hsp_writel(struct tegra_hsp *thsp, uint32_t val, static int tegra_hsp_db_id(ulong chan_id) { switch (chan_id) { - case TEGRA_HSP_MASTER_BPMP: + case (HSP_MBOX_TYPE_DB << 16) | HSP_DB_MASTER_BPMP: return TEGRA_HSP_DB_ID_BPMP; default: debug("Invalid channel ID\n"); @@ -59,6 +71,21 @@ static int tegra_hsp_db_id(ulong chan_id) } } +static int tegra_hsp_of_xlate(struct mbox_chan *chan, + struct fdtdec_phandle_args *args) +{ + debug("%s(chan=%p)\n", __func__, chan); + + if (args->args_count != 2) { + debug("Invaild args_count: %d\n", args->args_count); + return -EINVAL; + } + + chan->id = (args->args[0] << 16) | args->args[1]; + + return 0; +} + static int tegra_hsp_request(struct mbox_chan *chan) { int db_id; @@ -121,6 +148,7 @@ static int tegra_hsp_bind(struct udevice *dev) static int tegra_hsp_probe(struct udevice *dev) { struct tegra_hsp *thsp = dev_get_priv(dev); + u32 val; int nr_sm, nr_ss, nr_as; debug("%s(dev=%p)\n", __func__, dev); @@ -129,12 +157,14 @@ static int tegra_hsp_probe(struct udevice *dev) if (thsp->regs == FDT_ADDR_T_NONE) return -ENODEV; - nr_sm = fdtdec_get_int(gd->fdt_blob, dev->of_offset, "nvidia,num-SM", - 0); - nr_ss = fdtdec_get_int(gd->fdt_blob, dev->of_offset, "nvidia,num-SS", - 0); - nr_as = fdtdec_get_int(gd->fdt_blob, dev->of_offset, "nvidia,num-AS", - 0); + val = readl(thsp->regs + TEGRA_HSP_INT_DIMENSIONING); + nr_sm = (val >> TEGRA_HSP_INT_DIMENSIONING_NSM_SHIFT) & + TEGRA_HSP_INT_DIMENSIONING_NSM_MASK; + nr_ss = (val >> TEGRA_HSP_INT_DIMENSIONING_NSS_SHIFT) & + TEGRA_HSP_INT_DIMENSIONING_NSS_MASK; + nr_as = (val >> TEGRA_HSP_INT_DIMENSIONING_NAS_SHIFT) & + TEGRA_HSP_INT_DIMENSIONING_NAS_MASK; + thsp->db_base = (1 + (nr_sm >> 1) + nr_ss + nr_as) << 16; return 0; @@ -146,6 +176,7 @@ static const struct udevice_id tegra_hsp_ids[] = { }; struct mbox_ops tegra_hsp_mbox_ops = { + .of_xlate = tegra_hsp_of_xlate, .request = tegra_hsp_request, .free = tegra_hsp_free, .send = tegra_hsp_send, |