void board_init_f(ulong dummy)
{
struct udevice *pinctrl;
struct udevice *dev;
struct rk3399_pmusgrf_regs *sgrf;
struct rk3399_grf_regs *grf;
int ret;
#define EARLY_UART
#ifdef EARLY_UART
/*
* Debug UART can be used from here if required:
*
* debug_uart_init();
* printch('a');
* printhex8(0x1234);
* printascii("string");
*/
debug_uart_init();
printascii("U-Boot SPL board init");
#endif
ret = spl_early_init();
if (ret) {
debug("spl_early_init() failed: %d\n", ret);
hang();
}
/*
* Disable DDR and SRAM security regions.
*
* As we are entered from the BootROM, the region from
* 0x0 through 0xfffff (i.e. the first MB of memory) will
* be protected. This will cause issues with the DW_MMC
* driver, which tries to DMA from/to the stack (likely)
* located in this range.
*/
sgrf = syscon_get_first_range(ROCKCHIP_SYSCON_PMUSGRF);
rk_clrsetreg(&sgrf->ddr_rgn_con[16], 0x1ff, 0);
rk_clrreg(&sgrf->slv_secure_con4, 0x2000);
/* eMMC clock generator: disable the clock multipilier */
grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
rk_clrreg(&grf->emmccore_con[11], 0x0ff);
secure_timer_init();
ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
if (ret) {
debug("Pinctrl init failed: %d\n", ret);
return;
}
ret = uclass_get_device(UCLASS_RAM, 0, &dev);
if (ret) {
debug("DRAM init failed: %d\n", ret);
return;
}
}
static int rk3288_pinctrl_probe(struct udevice *dev)
{
struct rk3288_pinctrl_priv *priv = dev_get_priv(dev);
int ret = 0;
priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
priv->pmu = syscon_get_first_range(ROCKCHIP_SYSCON_PMU);
debug("%s: grf=%p, pmu=%p\n", __func__, priv->grf, priv->pmu);
#ifndef CONFIG_SPL_BUILD
ret = rk3288_pinctrl_parse_tables(priv, rk3288_pin_banks,
ARRAY_SIZE(rk3288_pin_banks));
#endif
return ret;
}
static void rk3288_set_io_vsel(struct udevice *dev)
{
struct rk3288_grf *grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
/* lcdc(vop) iodomain select 1.8V */
rk_setreg(&grf->io_vsel, 1 << 0);
}
static int rv1108_pinctrl_probe(struct udevice *dev)
{
struct rv1108_pinctrl_priv *priv = dev_get_priv(dev);
priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
return 0;
}
static int rk3036_pinctrl_probe(struct udevice *dev)
{
struct rk3036_pinctrl_priv *priv = dev_get_priv(dev);
priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
debug("%s: grf=%p\n", __func__, priv->grf);
return 0;
}
static int pmu_mid_probe(struct udevice *dev)
{
struct pmu_mid *pmu = dev_get_priv(dev);
pmu->regs = syscon_get_first_range(X86_SYSCON_PMU);
return 0;
}
static int rk3128_dmc_probe(struct udevice *dev)
{
struct dram_info *priv = dev_get_priv(dev);
priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
debug("%s: grf=%p\n", __func__, priv->grf);
priv->info.base = CONFIG_SYS_SDRAM_BASE;
priv->info.size = rockchip_sdram_size(
(phys_addr_t)&priv->grf->os_reg[1]);
return 0;
}
/* Test we can access a regmap through syscon */
static int dm_test_regmap_syscon(struct unit_test_state *uts)
{
struct regmap *map;
map = syscon_get_regmap_by_driver_data(SYSCON0);
ut_assertok_ptr(map);
ut_asserteq(1, map->range_count);
map = syscon_get_regmap_by_driver_data(SYSCON1);
ut_assertok_ptr(map);
ut_asserteq(4, map->range_count);
map = syscon_get_regmap_by_driver_data(SYSCON_COUNT);
ut_asserteq_ptr(ERR_PTR(-ENODEV), map);
ut_asserteq(0x10, map_to_sysmem(syscon_get_first_range(SYSCON0)));
ut_asserteq(0x20, map_to_sysmem(syscon_get_first_range(SYSCON1)));
ut_asserteq_ptr(ERR_PTR(-ENODEV),
syscon_get_first_range(SYSCON_COUNT));
return 0;
}
static void setup_iodomain(void)
{
const u32 GRF_IO_VSEL_GPIO4CD_SHIFT = 3;
struct rk3399_grf_regs *grf =
syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
/*
* Set bit 3 in GRF_IO_VSEL so PCIE_RST# works (pin GPIO4_C6).
* Linux assumes that PCIE_RST# works out of the box as it probes
* PCIe before loading the iodomain driver.
*/
rk_setreg(&grf->io_vsel, 1 << GRF_IO_VSEL_GPIO4CD_SHIFT);
}
int board_late_init(void)
{
struct rk3188_grf *grf;
grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
if (IS_ERR(grf)) {
pr_err("grf syscon returned %ld\n", PTR_ERR(grf));
} else {
/* enable noc remap to mimic legacy loaders */
rk_clrsetreg(&grf->soc_con0,
NOC_REMAP_MASK << NOC_REMAP_SHIFT,
NOC_REMAP_MASK << NOC_REMAP_SHIFT);
}
return 0;
}
static int rk_lvds_ofdata_to_platdata(struct udevice *dev)
{
struct rk_lvds_priv *priv = dev_get_priv(dev);
const void *blob = gd->fdt_blob;
int node = dev->of_offset;
int ret;
priv->regs = (void *)dev_get_addr(dev);
priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
ret = fdtdec_get_int(blob, node, "rockchip,output", -1);
if (ret != -1) {
priv->output = ret;
debug("LVDS output : %d\n", ret);
} else {
/* default set it as output rgb */
priv->output = LVDS_OUTPUT_RGB;
}
ret = fdtdec_get_int(blob, node, "rockchip,data-mapping", -1);
if (ret != -1) {
priv->format = ret;
debug("LVDS data-mapping : %d\n", ret);
} else {
/* default set it as format jeida */
priv->format = LVDS_FORMAT_JEIDA;
}
ret = fdtdec_get_int(blob, node, "rockchip,data-width", -1);
if (ret != -1) {
debug("LVDS data-width : %d\n", ret);
if (ret == 24) {
priv->format |= LVDS_24BIT;
} else if (ret == 18) {
priv->format |= LVDS_18BIT;
} else {
debug("rockchip-lvds unsupport data-width[%d]\n", ret);
ret = -EINVAL;
return ret;
}
} else {
priv->format |= LVDS_24BIT;
}
return 0;
}
static int tegra_sor_ofdata_to_platdata(struct udevice *dev)
{
struct tegra_dc_sor_data *priv = dev_get_priv(dev);
int ret;
priv->base = (void *)dev_read_addr(dev);
priv->pmc_base = (void *)syscon_get_first_range(TEGRA_SYSCON_PMC);
if (IS_ERR(priv->pmc_base))
return PTR_ERR(priv->pmc_base);
ret = uclass_get_device_by_phandle(UCLASS_PANEL, dev, "nvidia,panel",
&priv->panel);
if (ret) {
debug("%s: Cannot find panel for '%s' (ret=%d)\n", __func__,
dev->name, ret);
return ret;
}
return 0;
}
void board_init_f(ulong dummy)
{
struct udevice *pinctrl, *dev;
struct rk3188_pmu *pmu;
int ret;
/* Example code showing how to enable the debug UART on RK3188 */
#ifdef EARLY_UART
#include <asm/arch/grf_rk3188.h>
/* Enable early UART on the RK3188 */
#define GRF_BASE 0x20008000
struct rk3188_grf * const grf = (void *)GRF_BASE;
rk_clrsetreg(&grf->gpio1b_iomux,
GPIO1B1_MASK << GPIO1B1_SHIFT |
GPIO1B0_MASK << GPIO1B0_SHIFT,
GPIO1B1_UART2_SOUT << GPIO1B1_SHIFT |
GPIO1B0_UART2_SIN << GPIO1B0_SHIFT);
/*
* Debug UART can be used from here if required:
*
* debug_uart_init();
* printch('a');
* printhex8(0x1234);
* printascii("string");
*/
debug_uart_init();
printch('s');
printch('p');
printch('l');
printch('\n');
#endif
ret = spl_early_init();
if (ret) {
debug("spl_early_init() failed: %d\n", ret);
hang();
}
rockchip_timer_init();
ret = rockchip_get_clk(&dev);
if (ret) {
debug("CLK init failed: %d\n", ret);
return;
}
/*
* Recover the bootrom's stackpointer.
* For whatever reason needs to run after rockchip_get_clk.
*/
pmu = syscon_get_first_range(ROCKCHIP_SYSCON_PMU);
if (IS_ERR(pmu))
error("pmu syscon returned %ld\n", PTR_ERR(pmu));
SAVE_SP_ADDR = readl(&pmu->sys_reg[2]);
ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
if (ret) {
debug("Pinctrl init failed: %d\n", ret);
return;
}
ret = uclass_get_device(UCLASS_RAM, 0, &dev);
if (ret) {
debug("DRAM init failed: %d\n", ret);
return;
}
setup_arm_clock();
#if defined(CONFIG_ROCKCHIP_SPL_BACK_TO_BROM) && !defined(CONFIG_SPL_BOARD_INIT)
back_to_bootrom();
#endif
}
static int rk_vop_probe(struct udevice *dev)
{
struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
const void *blob = gd->fdt_blob;
struct rk_vop_priv *priv = dev_get_priv(dev);
struct udevice *reg;
int ret, port, node;
/* Before relocation we don't need to do anything */
if (!(gd->flags & GD_FLG_RELOC))
return 0;
priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
priv->regs = (struct rk3288_vop *)dev_get_addr(dev);
/* lcdc(vop) iodomain select 1.8V */
rk_setreg(&priv->grf->io_vsel, 1 << 0);
/*
* Try some common regulators. We should really get these from the
* device tree somehow.
*/
ret = regulator_autoset_by_name("vcc18_lcd", ®);
if (ret)
debug("%s: Cannot autoset regulator vcc18_lcd\n", __func__);
ret = regulator_autoset_by_name("VCC18_LCD", ®);
if (ret)
debug("%s: Cannot autoset regulator VCC18_LCD\n", __func__);
ret = regulator_autoset_by_name("vdd10_lcd_pwren_h", ®);
if (ret) {
debug("%s: Cannot autoset regulator vdd10_lcd_pwren_h\n",
__func__);
}
ret = regulator_autoset_by_name("vdd10_lcd", ®);
if (ret) {
debug("%s: Cannot autoset regulator vdd10_lcd\n",
__func__);
}
ret = regulator_autoset_by_name("VDD10_LCD", ®);
if (ret) {
debug("%s: Cannot autoset regulator VDD10_LCD\n",
__func__);
}
ret = regulator_autoset_by_name("vcc33_lcd", ®);
if (ret)
debug("%s: Cannot autoset regulator vcc33_lcd\n", __func__);
/*
* Try all the ports until we find one that works. In practice this
* tries EDP first if available, then HDMI.
*/
port = fdt_subnode_offset(blob, dev->of_offset, "port");
if (port < 0)
return -EINVAL;
for (node = fdt_first_subnode(blob, port);
node > 0;
node = fdt_next_subnode(blob, node)) {
ret = rk_display_init(dev, plat->base, VIDEO_BPP16, node);
if (ret)
debug("Device failed: ret=%d\n", ret);
if (!ret)
break;
}
return ret;
}