arm: mach-omap2: load/start remoteproc IPU1/IPU2

First check the presence of the ipu firmware in the boot partition.
If present enable the ipu and the related clocks & then move
on to load the firmware and eventually start remoteproc IPU1/IPU2.

do_enable_clocks by default puts the clock domains into auto
which does not work well with reset. Hence adding do_enable_ipu_clocks
function.

Signed-off-by: Keerthy <j-keerthy@ti.com>
[Amjad: fix IPU1_LOAD_ADDR and compile warnings]
Signed-off-by: Amjad Ouled-Ameur <aouledameur@baylibre.com>
This commit is contained in:
Keerthy 2022-01-27 13:16:52 +01:00 committed by Tom Rini
parent 795b2c476f
commit 0197909dd1
6 changed files with 235 additions and 7 deletions

View file

@ -135,6 +135,9 @@
#define HSMMC_CLKCTRL_CLKSEL_MASK (1 << 24)
#define HSMMC_CLKCTRL_CLKSEL_DIV_MASK (3 << 25)
/* CM_IPU1_IPU1_CLKCTRL CLKSEL MASK */
#define IPU1_CLKCTRL_CLKSEL_MASK BIT(24)
/* CM_L3INIT_SATA_CLKCTRL */
#define SATA_CLKCTRL_OPTFCLKEN_MASK (1 << 8)

View file

@ -362,6 +362,10 @@ struct prcm_regs {
/* IPU */
u32 cm_ipu_clkstctrl;
u32 cm_ipu_i2c5_clkctrl;
u32 cm_ipu1_clkstctrl;
u32 cm_ipu1_ipu1_clkctrl;
u32 cm_ipu2_clkstctrl;
u32 cm_ipu2_ipu2_clkctrl;
/*l3main1 edma*/
u32 cm_l3main1_tptc1_clkctrl;
@ -632,6 +636,12 @@ void do_disable_clocks(u32 const *clk_domains,
u8 wait_for_disable);
#endif /* CONFIG_OMAP44XX || CONFIG_OMAP54XX */
void do_enable_ipu_clocks(u32 const *clk_domains,
u32 const *clk_modules_hw_auto,
u32 const *clk_modules_explicit_en,
u8 wait_for_enable);
void enable_ipu1_clocks(void);
void enable_ipu2_clocks(void);
void setup_post_dividers(u32 const base,
const struct dpll_params *params);
u32 omap_ddr_clk(void);

View file

@ -10,6 +10,8 @@
#include <common.h>
#include <ahci.h>
#include <log.h>
#include <dm/uclass.h>
#include <fs_loader.h>
#include <spl.h>
#include <asm/global_data.h>
#include <asm/omap_common.h>
@ -19,9 +21,14 @@
#include <watchdog.h>
#include <scsi.h>
#include <i2c.h>
#include <remoteproc.h>
DECLARE_GLOBAL_DATA_PTR;
#define IPU1_LOAD_ADDR (0xa17ff000)
#define MAX_REMOTECORE_BIN_SIZE (8 * 0x100000)
#define IPU2_LOAD_ADDR (IPU1_LOAD_ADDR + MAX_REMOTECORE_BIN_SIZE)
__weak u32 omap_sys_boot_device(void)
{
return BOOT_DEVICE_NONE;
@ -194,6 +201,91 @@ u32 spl_mmc_boot_mode(const u32 boot_device)
return gd->arch.omap_boot_mode;
}
int load_firmware(char *name_fw, u32 *loadaddr)
{
struct udevice *fsdev;
int size = 0;
if (!IS_ENABLED(CONFIG_FS_LOADER))
return 0;
if (!*loadaddr)
return 0;
if (!uclass_get_device(UCLASS_FS_FIRMWARE_LOADER, 0, &fsdev)) {
size = request_firmware_into_buf(fsdev, name_fw,
(void *)*loadaddr, 0, 0);
}
return size;
}
void spl_boot_ipu(void)
{
int ret, size;
u32 loadaddr = IPU1_LOAD_ADDR;
if (!IS_ENABLED(CONFIG_SPL_BUILD) ||
!IS_ENABLED(CONFIG_REMOTEPROC_TI_IPU))
return;
size = load_firmware("dra7-ipu1-fw.xem4", &loadaddr);
if (size <= 0) {
pr_err("Firmware loading failed\n");
goto skip_ipu1;
}
enable_ipu1_clocks();
ret = rproc_dev_init(0);
if (ret) {
debug("%s: IPU1 failed to initialize on rproc (%d)\n",
__func__, ret);
goto skip_ipu1;
}
ret = rproc_load(0, IPU1_LOAD_ADDR, 0x2000000);
if (ret) {
debug("%s: IPU1 failed to load on rproc (%d)\n", __func__,
ret);
goto skip_ipu1;
}
debug("Starting IPU1...\n");
ret = rproc_start(0);
if (ret)
debug("%s: IPU1 failed to start (%d)\n", __func__, ret);
skip_ipu1:
loadaddr = IPU2_LOAD_ADDR;
size = load_firmware("dra7-ipu2-fw.xem4", &loadaddr);
if (size <= 0) {
pr_err("Firmware loading failed for ipu2\n");
return;
}
enable_ipu2_clocks();
ret = rproc_dev_init(1);
if (ret) {
debug("%s: IPU2 failed to initialize on rproc (%d)\n", __func__,
ret);
return;
}
ret = rproc_load(1, IPU2_LOAD_ADDR, 0x2000000);
if (ret) {
debug("%s: IPU2 failed to load on rproc (%d)\n", __func__,
ret);
return;
}
debug("Starting IPU2...\n");
ret = rproc_start(1);
if (ret)
debug("%s: IPU2 failed to start (%d)\n", __func__, ret);
}
void spl_board_init(void)
{
/* Prepare console output */
@ -214,6 +306,9 @@ void spl_board_init(void)
#ifdef CONFIG_AM33XX
am33xx_spl_board_init();
#endif
if (IS_ENABLED(CONFIG_SPL_BUILD) &&
IS_ENABLED(CONFIG_REMOTEPROC_TI_IPU))
spl_boot_ipu();
}
void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)

View file

@ -858,6 +858,39 @@ void do_enable_clocks(u32 const *clk_domains,
}
}
void do_enable_ipu_clocks(u32 const *clk_domains,
u32 const *clk_modules_hw_auto,
u32 const *clk_modules_explicit_en,
u8 wait_for_enable)
{
u32 i, max = 10;
if (!IS_ENABLED(CONFIG_REMOTEPROC_TI_IPU))
return;
/* Put the clock domains in SW_WKUP mode */
for (i = 0; (i < max) && clk_domains && clk_domains[i]; i++) {
enable_clock_domain(clk_domains[i],
CD_CLKCTRL_CLKTRCTRL_SW_WKUP);
}
/* Clock modules that need to be put in HW_AUTO */
for (i = 0; (i < max) && clk_modules_hw_auto &&
clk_modules_hw_auto[i]; i++) {
enable_clock_module(clk_modules_hw_auto[i],
MODULE_CLKCTRL_MODULEMODE_HW_AUTO,
wait_for_enable);
};
/* Clock modules that need to be put in SW_EXPLICIT_EN mode */
for (i = 0; (i < max) && clk_modules_explicit_en &&
clk_modules_explicit_en[i]; i++) {
enable_clock_module(clk_modules_explicit_en[i],
MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN,
wait_for_enable);
};
}
void do_disable_clocks(u32 const *clk_domains,
u32 const *clk_modules_disable,
u8 wait_for_disable)

View file

@ -376,6 +376,85 @@ struct vcores_data omap5430_volts_es2 = {
.mm.efuse.reg_bits = OMAP5_ES2_PROD_REGBITS,
};
/*
* Enable IPU1 clock domains, modules and
* do some additional special settings needed
*/
void enable_ipu1_clocks(void)
{
if (!IS_ENABLED(CONFIG_DRA7XX) ||
!IS_ENABLED(CONFIG_REMOTEPROC_TI_IPU))
return;
u32 const clk_domains[] = {
(*prcm)->cm_ipu_clkstctrl,
(*prcm)->cm_ipu1_clkstctrl,
0
};
u32 const clk_modules_hw_auto_essential[] = {
(*prcm)->cm_ipu1_ipu1_clkctrl,
0
};
u32 const clk_modules_explicit_en_essential[] = {
(*prcm)->cm_l4per_gptimer11_clkctrl,
(*prcm)->cm1_abe_timer7_clkctrl,
(*prcm)->cm1_abe_timer8_clkctrl,
0
};
do_enable_ipu_clocks(clk_domains, clk_modules_hw_auto_essential,
clk_modules_explicit_en_essential, 0);
/* Enable optional additional functional clock for IPU1 */
setbits_le32((*prcm)->cm_ipu1_ipu1_clkctrl,
IPU1_CLKCTRL_CLKSEL_MASK);
/* Enable optional additional functional clock for IPU1 */
setbits_le32((*prcm)->cm1_abe_timer7_clkctrl,
IPU1_CLKCTRL_CLKSEL_MASK);
/* Enable optional additional functional clock for IPU1 */
setbits_le32((*prcm)->cm1_abe_timer8_clkctrl,
IPU1_CLKCTRL_CLKSEL_MASK);
}
/*
* Enable IPU2 clock domains, modules and
* do some additional special settings needed
*/
void enable_ipu2_clocks(void)
{
if (!IS_ENABLED(CONFIG_DRA7XX) ||
!IS_ENABLED(CONFIG_REMOTEPROC_TI_IPU))
return;
u32 const clk_domains[] = {
(*prcm)->cm_ipu_clkstctrl,
(*prcm)->cm_ipu2_clkstctrl,
0
};
u32 const clk_modules_hw_auto_essential[] = {
(*prcm)->cm_ipu2_ipu2_clkctrl,
0
};
u32 const clk_modules_explicit_en_essential[] = {
(*prcm)->cm_l4per_gptimer3_clkctrl,
(*prcm)->cm_l4per_gptimer4_clkctrl,
(*prcm)->cm_l4per_gptimer9_clkctrl,
0
};
do_enable_ipu_clocks(clk_domains, clk_modules_hw_auto_essential,
clk_modules_explicit_en_essential, 0);
/* Enable optional additional functional clock for IPU2 */
setbits_le32((*prcm)->cm_l4per_gptimer4_clkctrl,
IPU1_CLKCTRL_CLKSEL_MASK);
/* Enable optional additional functional clock for IPU2 */
setbits_le32((*prcm)->cm_l4per_gptimer9_clkctrl,
IPU1_CLKCTRL_CLKSEL_MASK);
}
/*
* Enable essential clock domains, modules and
* do some additional special settings needed
@ -478,12 +557,13 @@ void enable_basic_clocks(void)
void enable_basic_uboot_clocks(void)
{
u32 const clk_domains_essential[] = {
#if defined(CONFIG_DRA7XX)
(*prcm)->cm_ipu_clkstctrl,
#endif
0
};
u32 cm_ipu_clkstctrl = 0;
if (IS_ENABLED(CONFIG_DRA7XX) &&
!IS_ENABLED(CONFIG_REMOTEPROC_TI_IPU))
cm_ipu_clkstctrl = (*prcm)->cm_ipu_clkstctrl;
u32 const clk_domains_essential[] = {cm_ipu_clkstctrl, 0};
u32 const clk_modules_hw_auto_essential[] = {
(*prcm)->cm_l3init_hsusbtll_clkctrl,

View file

@ -832,7 +832,10 @@ struct prcm_regs const dra7xx_prcm = {
/* cm IPU */
.cm_ipu_clkstctrl = 0x4a005540,
.cm_ipu_i2c5_clkctrl = 0x4a005578,
.cm_ipu1_clkstctrl = 0x4a005500,
.cm_ipu1_ipu1_clkctrl = 0x4a005520,
.cm_ipu2_clkstctrl = 0x4a008900,
.cm_ipu2_ipu2_clkctrl = 0x4a008920,
/* prm irqstatus regs */
.prm_irqstatus_mpu = 0x4ae06010,
.prm_irqstatus_mpu_2 = 0x4ae06014,
@ -1013,6 +1016,10 @@ struct prcm_regs const dra7xx_prcm = {
/*l3main1 edma*/
.cm_l3main1_tptc1_clkctrl = 0x4a008778,
.cm_l3main1_tptc2_clkctrl = 0x4a008780,
/* cm1.abe */
.cm1_abe_timer7_clkctrl = 0x4a005568,
.cm1_abe_timer8_clkctrl = 0x4a005570,
};
void clrset_spare_register(u8 spare_type, u32 clear_bits, u32 set_bits)