diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/remoteproc/ti_k3_dsp_rproc.c | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/drivers/remoteproc/ti_k3_dsp_rproc.c b/drivers/remoteproc/ti_k3_dsp_rproc.c index ff5d7f7f464..4937fdd0a77 100644 --- a/drivers/remoteproc/ti_k3_dsp_rproc.c +++ b/drivers/remoteproc/ti_k3_dsp_rproc.c @@ -2,7 +2,7 @@ /* * Texas Instruments' K3 DSP Remoteproc driver * - * Copyright (C) 2018-2019 Texas Instruments Incorporated - http://www.ti.com/ + * Copyright (C) 2018-2020 Texas Instruments Incorporated - http://www.ti.com/ * Lokesh Vutla <[email protected]> * */ @@ -18,6 +18,7 @@ #include <power-domain.h> #include <dm/device_compat.h> #include <linux/err.h> +#include <linux/sizes.h> #include <linux/soc/ti/ti_sci_protocol.h> #include "ti_sci_proc.h" @@ -38,15 +39,25 @@ struct k3_dsp_mem { }; /** + * struct k3_dsp_boot_data - internal data structure used for boot + * @boot_align_addr: Boot vector address alignment granularity + */ +struct k3_dsp_boot_data { + u32 boot_align_addr; +}; + +/** * struct k3_dsp_privdata - Structure representing Remote processor data. * @rproc_rst: rproc reset control data * @tsp: Pointer to TISCI proc contrl handle + * @data: Pointer to DSP specific boot data structure * @mem: Array of available memories * @num_mem: Number of available memories */ struct k3_dsp_privdata { struct reset_ctl dsp_rst; struct ti_sci_proc tsp; + struct k3_dsp_boot_data *data; struct k3_dsp_mem *mem; int num_mems; }; @@ -62,6 +73,7 @@ struct k3_dsp_privdata { static int k3_dsp_load(struct udevice *dev, ulong addr, ulong size) { struct k3_dsp_privdata *dsp = dev_get_priv(dev); + struct k3_dsp_boot_data *data = dsp->data; u32 boot_vector; int ret; @@ -77,6 +89,12 @@ static int k3_dsp_load(struct udevice *dev, ulong addr, ulong size) } boot_vector = rproc_elf_get_boot_addr(dev, addr); + if (boot_vector & (data->boot_align_addr - 1)) { + ret = -EINVAL; + dev_err(dev, "Boot vector 0x%x not aligned on 0x%x boundary\n", + boot_vector, data->boot_align_addr); + goto proc_release; + } dev_dbg(dev, "%s: Boot vector = 0x%x\n", __func__, boot_vector); @@ -300,6 +318,8 @@ static int k3_dsp_of_to_priv(struct udevice *dev, struct k3_dsp_privdata *dsp) if (ret) return ret; + dsp->data = (struct k3_dsp_boot_data *)dev_get_driver_data(dev); + return 0; } @@ -338,9 +358,17 @@ static int k3_dsp_remove(struct udevice *dev) return 0; } +static const struct k3_dsp_boot_data c66_data = { + .boot_align_addr = SZ_1K, +}; + +static const struct k3_dsp_boot_data c71_data = { + .boot_align_addr = SZ_2M, +}; + static const struct udevice_id k3_dsp_ids[] = { - { .compatible = "ti,j721e-c66-dsp"}, - { .compatible = "ti,j721e-c71-dsp"}, + { .compatible = "ti,j721e-c66-dsp", .data = (ulong)&c66_data, }, + { .compatible = "ti,j721e-c71-dsp", .data = (ulong)&c71_data, }, {} }; |