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stm32mp1: Add copro image support for M4 firmware

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Implements copro image loading with FIT.
Once image is loaded with remoteproc,
the M4 coprocessor is automatically started.

Signed-off-by: Loic Pallardy <loic.pallardy@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
This commit is contained in:
Patrick Delaunay 2019-08-02 15:07:20 +02:00 • committed by Patrice Chotard
parent e7fabe75ae
commit a68ae8dceb
1 changed files with 24 additions and 0 deletions
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24
board/st/stm32mp1/stm32mp1.c
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@ -18,6 +18,7 @@
#include <mtd.h> #include <mtd.h>
#include <mtd_node.h> #include <mtd_node.h>
#include <phy.h> #include <phy.h>
#include <remoteproc.h>
#include <reset.h> #include <reset.h>
#include <syscon.h> #include <syscon.h>
#include <usb.h> #include <usb.h>
@ -891,3 +892,26 @@ int ft_board_setup(void *blob, bd_t *bd)
return 0; return 0;
} }
#endif #endif
static void board_copro_image_process(ulong fw_image, size_t fw_size)
{
int ret, id = 0; /* Copro id fixed to 0 as only one coproc on mp1 */
if (!rproc_is_initialized())
if (rproc_init()) {
printf("Remote Processor %d initialization failed\n",
id);
return;
}
ret = rproc_load(id, fw_image, fw_size);
printf("Load Remote Processor %d with data@addr=0x%08lx %u bytes:%s\n",
id, fw_image, fw_size, ret ? " Failed!" : " Success!");
if (!ret) {
rproc_start(id);
env_set("copro_state", "booted");
}
}
U_BOOT_FIT_LOADABLE_HANDLER(IH_TYPE_COPRO, board_copro_image_process);