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// SPDX-License-Identifier: GPL-2.0
#include <common.h>
#include <debug_ll.h>
#include <mach/imx/debug_ll.h>
#include <mach/imx/generic.h>
#include <mach/imx/xload.h>
#include <asm/barebox-arm.h>
#include <soc/imx9/ddr.h>
#include <mach/imx/atf.h>
#include <mach/imx/xload.h>
#include <mach/imx/romapi.h>
#include <mach/imx/esdctl.h>
#include <pbl/i2c.h>
#include <boards/tq/tq_eeprom.h>
extern char __dtb_z_imx93_tqma9352_mba93xxca_start[];
extern char __dtb_z_imx93_tqma9352_mba93xxla_start[];
extern struct dram_timing_info tqma93xxca_dram_timing;
extern struct dram_timing_info tqma93xxla_dram_timing;
static int tqma93xx_get_formfactor(void)
{
struct pbl_i2c *i2c;
struct tq_eeprom *eeprom;
phys_size_t ramsize;
int formfactor;
i2c = imx93_i2c_early_init(IOMEM(MX9_I2C1_BASE_ADDR));
eeprom = pbl_tq_read_eeprom(i2c, 0x53, 0);
if (!eeprom)
return VARD_FORMFACTOR_TYPE_CONNECTOR;
ramsize = tq_vard_ramsize(&eeprom->vard);
if (ramsize != SZ_1G)
pr_err("unsupported ram size 0x%08llx\n", ramsize);
formfactor = tq_vard_get_formfactor(&eeprom->vard);
switch (formfactor) {
case VARD_FORMFACTOR_TYPE_LGA:
pr_debug("LGA board type\n");
break;
case VARD_FORMFACTOR_TYPE_CONNECTOR:
pr_debug("CONNECTOR board type\n");
break;
default:
pr_err("Unknown formfactor\n");
formfactor = VARD_FORMFACTOR_TYPE_CONNECTOR;
}
return formfactor;
}
static noinline void tqma93xx_continue(void)
{
void *base = IOMEM(MX9_UART1_BASE_ADDR);
void *muxbase = IOMEM(MX9_IOMUXC_BASE_ADDR);
int formfactor;
void *fdt;
writel(0x10, muxbase + 0x170);
writel(0x10, muxbase + 0x174);
writel(0x0, muxbase + 0x184);
writel(0xb9e, muxbase + 0x320);
writel(0xb9e, muxbase + 0x324);
imx9_uart_setup(IOMEM(base));
pbl_set_putc(lpuart32_putc, base + 0x10);
formfactor = tqma93xx_get_formfactor();
if (current_el() == 3) {
switch (formfactor) {
case VARD_FORMFACTOR_TYPE_LGA:
imx93_ddr_init(&tqma93xxla_dram_timing, DRAM_TYPE_LPDDR4);
break;
case VARD_FORMFACTOR_TYPE_CONNECTOR:
imx93_ddr_init(&tqma93xxca_dram_timing, DRAM_TYPE_LPDDR4);
break;
}
imx93_romapi_load_image();
imx93_load_and_start_image_via_tfa();
}
switch (formfactor) {
case VARD_FORMFACTOR_TYPE_LGA:
fdt = __dtb_z_imx93_tqma9352_mba93xxla_start;
break;
case VARD_FORMFACTOR_TYPE_CONNECTOR:
fdt = __dtb_z_imx93_tqma9352_mba93xxca_start;
break;
}
imx93_barebox_entry(fdt);
}
ENTRY_FUNCTION(start_imx93_tqma93xx, r0, r1, r2)
{
if (current_el() == 3)
imx93_cpu_lowlevel_init();
relocate_to_current_adr();
setup_c();
tqma93xx_continue();
}
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