static int rkclk_set_pll(struct rk3036_cru *cru, enum rk_clk_id clk_id,
const struct pll_div *div)
{
int pll_id = rk_pll_id(clk_id);
struct rk3036_pll *pll = &cru->pll[pll_id];
/* All PLLs have same VCO and output frequency range restrictions. */
uint vco_hz = OSC_HZ / 1000 * div->fbdiv / div->refdiv * 1000;
uint output_hz = vco_hz / div->postdiv1 / div->postdiv2;
debug("PLL at %p: fbdiv=%d, refdiv=%d, postdiv1=%d, postdiv2=%d,\
vco=%u Hz, output=%u Hz\n",
pll, div->fbdiv, div->refdiv, div->postdiv1,
div->postdiv2, vco_hz, output_hz);
assert(vco_hz >= VCO_MIN_HZ && vco_hz <= VCO_MAX_HZ &&
output_hz >= OUTPUT_MIN_HZ && output_hz <= OUTPUT_MAX_HZ);
/* use integer mode */
rk_setreg(&pll->con1, 1 << PLL_DSMPD_SHIFT);
rk_clrsetreg(&pll->con0,
PLL_POSTDIV1_MASK | PLL_FBDIV_MASK,
(div->postdiv1 << PLL_POSTDIV1_SHIFT) | div->fbdiv);
rk_clrsetreg(&pll->con1, PLL_POSTDIV2_MASK | PLL_REFDIV_MASK,
(div->postdiv2 << PLL_POSTDIV2_SHIFT |
div->refdiv << PLL_REFDIV_SHIFT));
/* waiting for pll lock */
while (readl(&pll->con1) & (1 << PLL_LOCK_STATUS_SHIFT))
udelay(1);
return 0;
}
void board_debug_uart_init(void)
{
#define GRF_BASE 0x11000000
static struct rk322x_grf * const grf = (void *)GRF_BASE;
enum {
GPIO1B2_SHIFT = 4,
GPIO1B2_MASK = 3 << GPIO1B2_SHIFT,
GPIO1B2_GPIO = 0,
GPIO1B2_UART1_SIN,
GPIO1B2_UART21_SIN,
GPIO1B1_SHIFT = 2,
GPIO1B1_MASK = 3 << GPIO1B1_SHIFT,
GPIO1B1_GPIO = 0,
GPIO1B1_UART1_SOUT,
GPIO1B1_UART21_SOUT,
};
enum {
CON_IOMUX_UART2SEL_SHIFT = 8,
CON_IOMUX_UART2SEL_MASK = 1 << CON_IOMUX_UART2SEL_SHIFT,
CON_IOMUX_UART2SEL_2 = 0,
CON_IOMUX_UART2SEL_21,
};
/* Enable early UART2 channel 1 on the RK322x */
rk_clrsetreg(&grf->gpio1b_iomux,
GPIO1B1_MASK | GPIO1B2_MASK,
GPIO1B2_UART21_SIN << GPIO1B2_SHIFT |
GPIO1B1_UART21_SOUT << GPIO1B1_SHIFT);
/* Set channel C as UART2 input */
rk_clrsetreg(&grf->con_iomux,
CON_IOMUX_UART2SEL_MASK,
CON_IOMUX_UART2SEL_21 << CON_IOMUX_UART2SEL_SHIFT);
}
static void pinctrl_rk3036_sdmmc_config(struct rk3036_grf *grf, int mmc_id)
{
switch (mmc_id) {
case PERIPH_ID_EMMC:
rk_clrsetreg(&grf->gpio1d_iomux, 0xffff,
GPIO1D7_EMMC_D7 << GPIO1D7_SHIFT |
GPIO1D6_EMMC_D6 << GPIO1D6_SHIFT |
GPIO1D5_EMMC_D5 << GPIO1D5_SHIFT |
GPIO1D4_EMMC_D4 << GPIO1D4_SHIFT |
GPIO1D3_EMMC_D3 << GPIO1D3_SHIFT |
GPIO1D2_EMMC_D2 << GPIO1D2_SHIFT |
GPIO1D1_EMMC_D1 << GPIO1D1_SHIFT |
GPIO1D0_EMMC_D0 << GPIO1D0_SHIFT);
rk_clrsetreg(&grf->gpio2a_iomux,
GPIO2A4_MASK << GPIO2A4_SHIFT |
GPIO2A1_MASK << GPIO2A1_SHIFT,
GPIO2A4_EMMC_CMD << GPIO2A4_SHIFT |
GPIO2A1_EMMC_CLKOUT << GPIO2A1_SHIFT);
break;
case PERIPH_ID_SDCARD:
rk_clrsetreg(&grf->gpio1c_iomux, 0xffff,
GPIO1C5_MMC0_D3 << GPIO1C5_SHIFT |
GPIO1C4_MMC0_D2 << GPIO1C4_SHIFT |
GPIO1C3_MMC0_D1 << GPIO1C3_SHIFT |
GPIO1C2_MMC0_D0 << GPIO1C2_SHIFT |
GPIO1C1_MMC0_DETN << GPIO1C1_SHIFT |
GPIO1C0_MMC0_CLKOUT << GPIO1C0_SHIFT);
break;
}
}
static int rkclk_set_pll(struct rk3288_cru *cru, enum rk_clk_id clk_id,
const struct pll_div *div)
{
int pll_id = rk_pll_id(clk_id);
struct rk3288_pll *pll = &cru->pll[pll_id];
/* All PLLs have same VCO and output frequency range restrictions. */
uint vco_hz = OSC_HZ / 1000 * div->nf / div->nr * 1000;
uint output_hz = vco_hz / div->no;
debug("PLL at %x: nf=%d, nr=%d, no=%d, vco=%u Hz, output=%u Hz\n",
(uint)pll, div->nf, div->nr, div->no, vco_hz, output_hz);
assert(vco_hz >= VCO_MIN_HZ && vco_hz <= VCO_MAX_HZ &&
output_hz >= OUTPUT_MIN_HZ && output_hz <= OUTPUT_MAX_HZ &&
(div->no == 1 || !(div->no % 2)));
/* enter reset */
rk_setreg(&pll->con3, 1 << PLL_RESET_SHIFT);
rk_clrsetreg(&pll->con0,
CLKR_MASK << CLKR_SHIFT | PLL_OD_MASK,
((div->nr - 1) << CLKR_SHIFT) | (div->no - 1));
rk_clrsetreg(&pll->con1, CLKF_MASK, div->nf - 1);
rk_clrsetreg(&pll->con2, PLL_BWADJ_MASK, (div->nf >> 1) - 1);
udelay(10);
/* return from reset */
rk_clrreg(&pll->con3, 1 << PLL_RESET_SHIFT);
return 0;
}
static void pinctrl_rk3036_i2c_config(struct rk3036_grf *grf, int i2c_id)
{
switch (i2c_id) {
case PERIPH_ID_I2C0:
rk_clrsetreg(&grf->gpio0a_iomux,
GPIO0A1_MASK << GPIO0A1_SHIFT |
GPIO0A0_MASK << GPIO0A0_SHIFT,
GPIO0A1_I2C0_SDA << GPIO0A1_SHIFT |
GPIO0A0_I2C0_SCL << GPIO0A0_SHIFT);
break;
case PERIPH_ID_I2C1:
rk_clrsetreg(&grf->gpio0a_iomux,
GPIO0A3_MASK << GPIO0A3_SHIFT |
GPIO0A2_MASK << GPIO0A2_SHIFT,
GPIO0A3_I2C1_SDA << GPIO0A3_SHIFT |
GPIO0A2_I2C1_SCL << GPIO0A2_SHIFT);
break;
case PERIPH_ID_I2C2:
rk_clrsetreg(&grf->gpio2c_iomux,
GPIO2C5_MASK << GPIO2C5_SHIFT |
GPIO2C4_MASK << GPIO2C4_SHIFT,
GPIO2C5_I2C2_SCL << GPIO2C5_SHIFT |
GPIO2C4_I2C2_SDA << GPIO2C4_SHIFT);
break;
}
}
void board_debug_uart_init(void)
{
#define GRF_BASE 0xff770000
struct rk3399_grf_regs * const grf = (void *)GRF_BASE;
#if defined(CONFIG_DEBUG_UART_BASE) && (CONFIG_DEBUG_UART_BASE == 0xff180000)
/* Enable early UART0 on the RK3399 */
rk_clrsetreg(&grf->gpio2c_iomux,
GRF_GPIO2C0_SEL_MASK,
GRF_UART0BT_SIN << GRF_GPIO2C0_SEL_SHIFT);
rk_clrsetreg(&grf->gpio2c_iomux,
GRF_GPIO2C1_SEL_MASK,
GRF_UART0BT_SOUT << GRF_GPIO2C1_SEL_SHIFT);
#else
/* Enable early UART2 channel C on the RK3399 */
rk_clrsetreg(&grf->gpio4c_iomux,
GRF_GPIO4C3_SEL_MASK,
GRF_UART2DGBC_SIN << GRF_GPIO4C3_SEL_SHIFT);
rk_clrsetreg(&grf->gpio4c_iomux,
GRF_GPIO4C4_SEL_MASK,
GRF_UART2DBGC_SOUT << GRF_GPIO4C4_SEL_SHIFT);
/* Set channel C as UART2 input */
rk_clrsetreg(&grf->soc_con7,
GRF_UART_DBG_SEL_MASK,
GRF_UART_DBG_SEL_C << GRF_UART_DBG_SEL_SHIFT);
#endif
}
static void pinctrl_rk3188_sdmmc_config(struct rk3188_grf *grf, int mmc_id)
{
switch (mmc_id) {
case PERIPH_ID_EMMC:
rk_clrsetreg(&grf->soc_con0, 1 << EMMC_FLASH_SEL_SHIFT,
1 << EMMC_FLASH_SEL_SHIFT);
rk_clrsetreg(&grf->gpio0d_iomux,
GPIO0D2_MASK << GPIO0D2_SHIFT |
GPIO0D0_MASK << GPIO0D0_SHIFT,
GPIO0D2_EMMC_CMD << GPIO0D2_SHIFT |
GPIO0D0_EMMC_CLKOUT << GPIO0D0_SHIFT);
break;
case PERIPH_ID_SDCARD:
rk_clrsetreg(&grf->gpio3b_iomux,
GPIO3B0_MASK << GPIO3B0_SHIFT,
GPIO3B0_SDMMC_DETECT_N << GPIO3B0_SHIFT);
rk_clrsetreg(&grf->gpio3a_iomux,
GPIO3A7_MASK << GPIO3A7_SHIFT |
GPIO3A6_MASK << GPIO3A6_SHIFT |
GPIO3A5_MASK << GPIO3A5_SHIFT |
GPIO3A4_MASK << GPIO3A4_SHIFT |
GPIO3A3_MASK << GPIO3A3_SHIFT |
GPIO3A3_MASK << GPIO3A2_SHIFT,
GPIO3A7_SDMMC0_DATA3 << GPIO3A7_SHIFT |
GPIO3A6_SDMMC0_DATA2 << GPIO3A6_SHIFT |
GPIO3A5_SDMMC0_DATA1 << GPIO3A5_SHIFT |
GPIO3A4_SDMMC0_DATA0 << GPIO3A4_SHIFT |
GPIO3A3_SDMMC0_CMD << GPIO3A3_SHIFT |
GPIO3A2_SDMMC0_CLKOUT << GPIO3A2_SHIFT);
break;
default:
debug("mmc id = %d iomux error!\n", mmc_id);
break;
}
}
static void pinctrl_rv1108_uart_config(struct rv1108_grf *grf, int uart_id)
{
switch (uart_id) {
case PERIPH_ID_UART0:
rk_clrsetreg(&grf->gpio3a_iomux,
GPIO3A6_MASK | GPIO3A5_MASK,
GPIO3A6_UART1_SOUT << GPIO3A6_SHIFT |
GPIO3A5_UART1_SIN << GPIO3A5_SHIFT);
break;
case PERIPH_ID_UART1:
rk_clrsetreg(&grf->gpio1d_iomux,
GPIO1D3_MASK | GPIO1D2_MASK | GPIO1D1_MASK |
GPIO1D0_MASK,
GPIO1D3_UART0_SOUT << GPIO1D3_SHIFT |
GPIO1D2_UART0_SIN << GPIO1D2_SHIFT |
GPIO1D1_UART0_RTSN << GPIO1D1_SHIFT |
GPIO1D0_UART0_CTSN << GPIO1D0_SHIFT);
break;
case PERIPH_ID_UART2:
rk_clrsetreg(&grf->gpio2d_iomux,
GPIO2D2_MASK | GPIO2D1_MASK,
GPIO2D2_UART2_SOUT_M0 << GPIO2D2_SHIFT |
GPIO2D1_UART2_SIN_M0 << GPIO2D1_SHIFT);
break;
}
}
static void pinctrl_rk322x_uart_config(struct rk322x_grf *grf, int uart_id)
{
u32 mux_con = readl(&grf->con_iomux);
switch (uart_id) {
case PERIPH_ID_UART1:
if (!(mux_con & CON_IOMUX_UART1SEL_MASK))
rk_clrsetreg(&grf->gpio1b_iomux,
GPIO1B1_MASK | GPIO1B2_MASK,
GPIO1B1_UART1_SOUT << GPIO1B1_SHIFT |
GPIO1B2_UART1_SIN << GPIO1B2_SHIFT);
break;
case PERIPH_ID_UART2:
if (mux_con & CON_IOMUX_UART2SEL_MASK)
rk_clrsetreg(&grf->gpio1b_iomux,
GPIO1B1_MASK | GPIO1B2_MASK,
GPIO1B1_UART21_SOUT << GPIO1B1_SHIFT |
GPIO1B2_UART21_SIN << GPIO1B2_SHIFT);
else
rk_clrsetreg(&grf->gpio1c_iomux,
GPIO1C3_MASK | GPIO1C2_MASK,
GPIO1C3_UART2_SIN << GPIO1C3_SHIFT |
GPIO1C2_UART2_SOUT << GPIO1C2_SHIFT);
break;
}
}
static void pinctrl_rk3036_uart_config(struct rk3036_grf *grf, int uart_id)
{
switch (uart_id) {
case PERIPH_ID_UART0:
rk_clrsetreg(&grf->gpio0c_iomux,
GPIO0C3_MASK << GPIO0C3_SHIFT |
GPIO0C2_MASK << GPIO0C2_SHIFT |
GPIO0C1_MASK << GPIO0C1_SHIFT |
GPIO0C0_MASK << GPIO0C0_SHIFT,
GPIO0C3_UART0_CTSN << GPIO0C3_SHIFT |
GPIO0C2_UART0_RTSN << GPIO0C2_SHIFT |
GPIO0C1_UART0_SIN << GPIO0C1_SHIFT |
GPIO0C0_UART0_SOUT << GPIO0C0_SHIFT);
break;
case PERIPH_ID_UART1:
rk_clrsetreg(&grf->gpio2c_iomux,
GPIO2C7_MASK << GPIO2C7_SHIFT |
GPIO2C6_MASK << GPIO2C6_SHIFT,
GPIO2C7_UART1_SOUT << GPIO2C7_SHIFT |
GPIO2C6_UART1_SIN << GPIO2C6_SHIFT);
break;
case PERIPH_ID_UART2:
rk_clrsetreg(&grf->gpio1c_iomux,
GPIO1C3_MASK << GPIO1C3_SHIFT |
GPIO1C2_MASK << GPIO1C2_SHIFT,
GPIO1C3_UART2_SOUT << GPIO1C3_SHIFT |
GPIO1C2_UART2_SIN << GPIO1C2_SHIFT);
break;
}
}
static void pinctrl_rk3188_i2c_config(struct rk3188_grf *grf,
struct rk3188_pmu *pmu, int i2c_id)
{
switch (i2c_id) {
case PERIPH_ID_I2C0:
rk_clrsetreg(&grf->gpio1d_iomux,
GPIO1D1_MASK << GPIO1D1_SHIFT |
GPIO1D0_MASK << GPIO1D0_SHIFT,
GPIO1D1_I2C0_SCL << GPIO1D1_SHIFT |
GPIO1D0_I2C0_SDA << GPIO1D0_SHIFT);
/* enable new i2c controller */
rk_clrsetreg(&grf->soc_con1, 1 << RKI2C0_SEL_SHIFT,
1 << RKI2C0_SEL_SHIFT);
break;
case PERIPH_ID_I2C1:
rk_clrsetreg(&grf->gpio1d_iomux,
GPIO1D3_MASK << GPIO1D3_SHIFT |
GPIO1D2_MASK << GPIO1D2_SHIFT,
GPIO1D3_I2C1_SCL << GPIO1D2_SHIFT |
GPIO1D2_I2C1_SDA << GPIO1D2_SHIFT);
rk_clrsetreg(&grf->soc_con1, 1 << RKI2C1_SEL_SHIFT,
1 << RKI2C1_SEL_SHIFT);
break;
case PERIPH_ID_I2C2:
rk_clrsetreg(&grf->gpio1d_iomux,
GPIO1D5_MASK << GPIO1D5_SHIFT |
GPIO1D4_MASK << GPIO1D4_SHIFT,
GPIO1D5_I2C2_SCL << GPIO1D5_SHIFT |
GPIO1D4_I2C2_SDA << GPIO1D4_SHIFT);
rk_clrsetreg(&grf->soc_con1, 1 << RKI2C2_SEL_SHIFT,
1 << RKI2C2_SEL_SHIFT);
break;
case PERIPH_ID_I2C3:
rk_clrsetreg(&grf->gpio3b_iomux,
GPIO3B7_MASK << GPIO3B7_SHIFT |
GPIO3B6_MASK << GPIO3B6_SHIFT,
GPIO3B7_I2C3_SCL << GPIO3B7_SHIFT |
GPIO3B6_I2C3_SDA << GPIO3B6_SHIFT);
rk_clrsetreg(&grf->soc_con1, 1 << RKI2C3_SEL_SHIFT,
1 << RKI2C3_SEL_SHIFT);
break;
case PERIPH_ID_I2C4:
rk_clrsetreg(&grf->gpio1d_iomux,
GPIO1D7_MASK << GPIO1D7_SHIFT |
GPIO1D6_MASK << GPIO1D6_SHIFT,
GPIO1D7_I2C4_SCL << GPIO1D7_SHIFT |
GPIO1D6_I2C4_SDA << GPIO1D6_SHIFT);
rk_clrsetreg(&grf->soc_con1, 1 << RKI2C4_SEL_SHIFT,
1 << RKI2C4_SEL_SHIFT);
break;
default:
debug("i2c id = %d iomux error!\n", i2c_id);
break;
}
}
static void pinctrl_rv1108_sfc_config(struct rv1108_grf *grf)
{
rk_clrsetreg(&grf->gpio2a_iomux, GPIO2A3_MASK | GPIO2A2_MASK |
GPIO2A1_MASK | GPIO2A0_MASK,
GPIO2A3_SFC_HOLD_IO3 << GPIO2A3_SHIFT |
GPIO2A2_SFC_WP_IO2 << GPIO2A2_SHIFT |
GPIO2A1_SFC_SO_IO1 << GPIO2A1_SHIFT |
GPIO2A0_SFC_SI_IO0 << GPIO2A0_SHIFT);
rk_clrsetreg(&grf->gpio2b_iomux, GPIO2B7_MASK | GPIO2B4_MASK,
GPIO2B7_SFC_CLK << GPIO2B7_SHIFT |
GPIO2B4_SFC_CSN0 << GPIO2B4_SHIFT);
}
static void pinctrl_rk3288_hdmi_config(struct rk3288_grf *grf, int hdmi_id)
{
switch (hdmi_id) {
case PERIPH_ID_HDMI:
rk_clrsetreg(&grf->gpio7cl_iomux, GPIO7C3_MASK << GPIO7C3_SHIFT,
GPIO7C3_EDPHDMII2C_SDA << GPIO7C3_SHIFT);
rk_clrsetreg(&grf->gpio7ch_iomux, GPIO7C4_MASK << GPIO7C4_SHIFT,
GPIO7C4_EDPHDMII2C_SCL << GPIO7C4_SHIFT);
break;
default:
debug("hdmi id = %d iomux error!\n", hdmi_id);
break;
}
}
static int rk3188_pinctrl_set_pins(struct udevice *dev, int banknum, int index,
int muxval, int flags)
{
struct rk3188_pinctrl_priv *priv = dev_get_priv(dev);
uint shift, ind = index;
uint mask;
u32 *addr;
int ret;
debug("%s: %x %x %x %x\n", __func__, banknum, index, muxval, flags);
ret = rk3188_pinctrl_get_pin_info(priv, banknum, index, &addr, &shift,
&mask);
if (ret)
return ret;
rk_clrsetreg(addr, mask << shift, muxval << shift);
/* Handle pullup/pulldown */
if (flags) {
uint val = 0;
if (flags & (1 << PIN_CONFIG_BIAS_PULL_UP))
val = 1;
else if (flags & (1 << PIN_CONFIG_BIAS_PULL_DOWN))
val = 2;
ind = index >> 3;
if (banknum == 0 && index < 12) {
addr = &priv->pmu->gpio0_p[ind];
shift = (index & 7) * 2;
} else if (banknum == 0 && index >= 12) {
addr = &priv->grf->gpio0_p[ind - 1];
/*
* The bits in the grf-registers have an inverse
* ordering with the lowest pin being in bits 15:14
* and the highest pin in bits 1:0 .
*/
shift = (7 - (index & 7)) * 2;
} else {
addr = &priv->grf->gpio1_p[banknum - 1][ind];
shift = (7 - (index & 7)) * 2;
}
debug("%s: addr=%p, val=%x, shift=%x\n", __func__, addr, val,
shift);
rk_clrsetreg(addr, 3 << shift, val << shift);
}
return 0;
}
static void pinctrl_rk3188_uart_config(struct rk3188_grf *grf, int uart_id)
{
switch (uart_id) {
case PERIPH_ID_UART0:
rk_clrsetreg(&grf->gpio1a_iomux,
GPIO1A3_MASK << GPIO1A3_SHIFT |
GPIO1A2_MASK << GPIO1A2_SHIFT |
GPIO1A1_MASK << GPIO1A1_SHIFT |
GPIO1A0_MASK << GPIO1A0_SHIFT,
GPIO1A3_UART0_RTS_N << GPIO1A3_SHIFT |
GPIO1A2_UART0_CTS_N << GPIO1A2_SHIFT |
GPIO1A1_UART0_SOUT << GPIO1A1_SHIFT |
GPIO1A0_UART0_SIN << GPIO1A0_SHIFT);
break;
case PERIPH_ID_UART1:
rk_clrsetreg(&grf->gpio1a_iomux,
GPIO1A7_MASK << GPIO1A7_SHIFT |
GPIO1A6_MASK << GPIO1A6_SHIFT |
GPIO1A5_MASK << GPIO1A5_SHIFT |
GPIO1A4_MASK << GPIO1A4_SHIFT,
GPIO1A7_UART1_RTS_N << GPIO1A7_SHIFT |
GPIO1A6_UART1_CTS_N << GPIO1A6_SHIFT |
GPIO1A5_UART1_SOUT << GPIO1A5_SHIFT |
GPIO1A4_UART1_SIN << GPIO1A4_SHIFT);
break;
case PERIPH_ID_UART2:
rk_clrsetreg(&grf->gpio1b_iomux,
GPIO1B1_MASK << GPIO1B1_SHIFT |
GPIO1B0_MASK << GPIO1B0_SHIFT,
GPIO1B1_UART2_SOUT << GPIO1B1_SHIFT |
GPIO1B0_UART2_SIN << GPIO1B0_SHIFT);
break;
case PERIPH_ID_UART3:
rk_clrsetreg(&grf->gpio1b_iomux,
GPIO1B5_MASK << GPIO1B5_SHIFT |
GPIO1B4_MASK << GPIO1B4_SHIFT |
GPIO1B3_MASK << GPIO1B3_SHIFT |
GPIO1B2_MASK << GPIO1B2_SHIFT,
GPIO1B5_UART3_RTS_N << GPIO1B5_SHIFT |
GPIO1B4_UART3_CTS_N << GPIO1B4_SHIFT |
GPIO1B3_UART3_SOUT << GPIO1B3_SHIFT |
GPIO1B2_UART3_SIN << GPIO1B2_SHIFT);
break;
default:
debug("uart id = %d iomux error!\n", uart_id);
break;
}
}
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 void pinctrl_rk322x_spi_config(struct rk322x_grf *grf, int cs)
{
switch (cs) {
case 0:
rk_clrsetreg(&grf->gpio0b_iomux, GPIO0B6_MASK,
GPIO0B6_SPI_CSN0 << GPIO0B6_SHIFT);
break;
case 1:
rk_clrsetreg(&grf->gpio1b_iomux, GPIO1B4_MASK,
GPIO1B4_SPI_CSN1 << GPIO1B4_SHIFT);
break;
}
rk_clrsetreg(&grf->gpio0b_iomux,
GPIO0B1_MASK | GPIO0B3_MASK | GPIO0B5_MASK,
GPIO0B5_SPI_RXD << GPIO0B5_SHIFT |
GPIO0B3_SPI_TXD << GPIO0B3_SHIFT |
GPIO0B1_SPI_CLK << GPIO0B1_SHIFT);
}
static void pinctrl_rv1108_gmac_config(struct rv1108_grf *grf, int func)
{
rk_clrsetreg(&grf->gpio1b_iomux,
GPIO1B7_MASK | GPIO1B6_MASK | GPIO1B5_MASK |
GPIO1B4_MASK | GPIO1B3_MASK | GPIO1B2_MASK,
GPIO1B7_GMAC_RXDV << GPIO1B7_SHIFT |
GPIO1B6_GMAC_RXD1 << GPIO1B6_SHIFT |
GPIO1B5_GMAC_RXD0 << GPIO1B5_SHIFT |
GPIO1B4_GMAC_TXEN << GPIO1B4_SHIFT |
GPIO1B3_GMAC_TXD1 << GPIO1B3_SHIFT |
GPIO1B2_GMAC_TXD0 << GPIO1B2_SHIFT);
rk_clrsetreg(&grf->gpio1c_iomux,
GPIO1C5_MASK | GPIO1C4_MASK |
GPIO1C3_MASK | GPIO1C2_MASK,
GPIO1C5_GMAC_CLK << GPIO1C5_SHIFT |
GPIO1C4_GMAC_MDC << GPIO1C4_SHIFT |
GPIO1C3_GMAC_MDIO << GPIO1C3_SHIFT |
GPIO1C2_GMAC_RXER << GPIO1C2_SHIFT);
writel(0xffff57f5, &grf->gpio1b_drv);
}
static ulong rockchip_mmc_set_clk(struct rk3036_cru *cru, uint clk_general_rate,
int periph, uint freq)
{
int src_clk_div;
int mux;
debug("%s: clk_general_rate=%u\n", __func__, clk_general_rate);
/* mmc clock auto divide 2 in internal */
src_clk_div = DIV_ROUND_UP(clk_general_rate / 2, freq);
if (src_clk_div > 128) {
src_clk_div = DIV_ROUND_UP(OSC_HZ / 2, freq);
assert(src_clk_div - 1 < 128);
mux = EMMC_SEL_24M;
} else {
mux = EMMC_SEL_GPLL;
}
switch (periph) {
case HCLK_EMMC:
case SCLK_EMMC:
rk_clrsetreg(&cru->cru_clksel_con[12],
EMMC_PLL_MASK | EMMC_DIV_MASK,
mux << EMMC_PLL_SHIFT |
(src_clk_div - 1) << EMMC_DIV_SHIFT);
break;
case HCLK_SDIO:
case SCLK_SDIO:
rk_clrsetreg(&cru->cru_clksel_con[11],
MMC0_PLL_MASK | MMC0_DIV_MASK,
mux << MMC0_PLL_SHIFT |
(src_clk_div - 1) << MMC0_DIV_SHIFT);
break;
default:
return -EINVAL;
}
return rockchip_mmc_get_clk(cru, clk_general_rate, periph);
}
void board_init_f(ulong dummy)
{
/* 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('t');
printch('p');
printch('l');
printch('-');
printch(rk3188_num_entries + 1 + '0');
printch('\n');
#endif
rk3188_num_entries++;
if (rk3188_num_entries == 1) {
/*
* The original loader did some very basic integrity
* checking at this point, but the remaining few bytes
* could be used for any improvement making sense
* really early on.
*/
back_to_bootrom();
} else {
/*
* TPL part of the loader should now wait for us
* at offset 0xC00 in the sram. Should never return
* from there.
*/
jump_to_spl();
}
}
static int pinctrl_rk3188_spi_config(struct rk3188_grf *grf,
enum periph_id spi_id, int cs)
{
switch (spi_id) {
case PERIPH_ID_SPI0:
switch (cs) {
case 0:
rk_clrsetreg(&grf->gpio1a_iomux,
GPIO1A7_MASK << GPIO1A7_SHIFT,
GPIO1A7_SPI0_CSN0 << GPIO1A7_SHIFT);
break;
case 1:
rk_clrsetreg(&grf->gpio1b_iomux,
GPIO1B7_MASK << GPIO1B7_SHIFT,
GPIO1B7_SPI0_CSN1 << GPIO1B7_SHIFT);
break;
default:
goto err;
}
rk_clrsetreg(&grf->gpio1a_iomux,
GPIO1A4_MASK << GPIO1A4_SHIFT |
GPIO1A5_MASK << GPIO1A5_SHIFT |
GPIO1A6_MASK << GPIO1A6_SHIFT,
GPIO1A4_SPI0_RXD << GPIO1A4_SHIFT |
GPIO1A5_SPI0_TXD << GPIO1A5_SHIFT |
GPIO1A6_SPI0_CLK << GPIO1A6_SHIFT);
break;
case PERIPH_ID_SPI1:
switch (cs) {
case 0:
rk_clrsetreg(&grf->gpio0d_iomux,
GPIO0D7_MASK << GPIO0D7_SHIFT,
GPIO0D7_SPI1_CSN0 << GPIO0D7_SHIFT);
break;
case 1:
rk_clrsetreg(&grf->gpio1b_iomux,
GPIO1B6_MASK << GPIO1B6_SHIFT,
GPIO1B6_SPI1_CSN1 << GPIO1B6_SHIFT);
break;
default:
goto err;
}
rk_clrsetreg(&grf->gpio0d_iomux,
GPIO0D4_MASK << GPIO0D4_SHIFT |
GPIO0D5_MASK << GPIO0D5_SHIFT |
GPIO0D6_MASK << GPIO0D6_SHIFT,
GPIO0D4_SPI0_RXD << GPIO0D4_SHIFT |
GPIO0D5_SPI1_TXD << GPIO0D5_SHIFT |
GPIO0D6_SPI1_CLK << GPIO0D6_SHIFT);
break;
default:
goto err;
}
return 0;
err:
debug("rkspi: periph%d cs=%d not supported", spi_id, cs);
return -ENOENT;
}
static void pinctrl_rk322x_sdmmc_config(struct rk322x_grf *grf, int mmc_id)
{
switch (mmc_id) {
case PERIPH_ID_EMMC:
rk_clrsetreg(&grf->gpio1d_iomux, 0xffff,
GPIO1D7_EMMC_D7 << GPIO1D7_SHIFT |
GPIO1D6_EMMC_D6 << GPIO1D6_SHIFT |
GPIO1D5_EMMC_D5 << GPIO1D5_SHIFT |
GPIO1D4_EMMC_D4 << GPIO1D4_SHIFT |
GPIO1D3_EMMC_D3 << GPIO1D3_SHIFT |
GPIO1D2_EMMC_D2 << GPIO1D2_SHIFT |
GPIO1D1_EMMC_D1 << GPIO1D1_SHIFT |
GPIO1D0_EMMC_D0 << GPIO1D0_SHIFT);
rk_clrsetreg(&grf->gpio2a_iomux,
GPIO2A5_MASK | GPIO2A7_MASK,
GPIO2A5_EMMC_PWREN << GPIO2A5_SHIFT |
GPIO2A7_EMMC_CLKOUT << GPIO2A7_SHIFT);
rk_clrsetreg(&grf->gpio1c_iomux,
GPIO1C6_MASK | GPIO1C7_MASK,
GPIO1C6_EMMC_CMD << GPIO1C6_SHIFT |
GPIO1C7_EMMC_RSTNOUT << GPIO1C6_SHIFT);
break;
case PERIPH_ID_SDCARD:
rk_clrsetreg(&grf->gpio1b_iomux,
GPIO1B6_MASK | GPIO1B7_MASK,
GPIO1B6_SDMMC_PWREN << GPIO1B6_SHIFT |
GPIO1B7_SDMMC_CMD << GPIO1B7_SHIFT);
rk_clrsetreg(&grf->gpio1c_iomux, 0xfff,
GPIO1C5_SDMMC_D3 << GPIO1C5_SHIFT |
GPIO1C4_SDMMC_D2 << GPIO1C4_SHIFT |
GPIO1C3_SDMMC_D1 << GPIO1C3_SHIFT |
GPIO1C2_SDMMC_D0 << GPIO1C2_SHIFT |
GPIO1C1_SDMMC_DETN << GPIO1C1_SHIFT |
GPIO1C0_SDMMC_CLKOUT << GPIO1C0_SHIFT);
break;
}
}
static void pinctrl_rk3288_sdmmc_config(struct rk3288_grf *grf, int mmc_id)
{
switch (mmc_id) {
case PERIPH_ID_EMMC:
rk_clrsetreg(&grf->gpio3a_iomux, 0xffff,
GPIO3A7_EMMC_DATA7 << GPIO3A7_SHIFT |
GPIO3A6_EMMC_DATA6 << GPIO3A6_SHIFT |
GPIO3A5_EMMC_DATA5 << GPIO3A5_SHIFT |
GPIO3A4_EMMC_DATA4 << GPIO3A4_SHIFT |
GPIO3A3_EMMC_DATA3 << GPIO3A3_SHIFT |
GPIO3A2_EMMC_DATA2 << GPIO3A2_SHIFT |
GPIO3A1_EMMC_DATA1 << GPIO3A1_SHIFT |
GPIO3A0_EMMC_DATA0 << GPIO3A0_SHIFT);
rk_clrsetreg(&grf->gpio3b_iomux, GPIO3B1_MASK << GPIO3B1_SHIFT,
GPIO3B1_EMMC_PWREN << GPIO3B1_SHIFT);
rk_clrsetreg(&grf->gpio3c_iomux,
GPIO3C0_MASK << GPIO3C0_SHIFT,
GPIO3C0_EMMC_CMD << GPIO3C0_SHIFT);
break;
case PERIPH_ID_SDCARD:
rk_clrsetreg(&grf->gpio6c_iomux, 0xffff,
GPIO6C6_SDMMC0_DECTN << GPIO6C6_SHIFT |
GPIO6C5_SDMMC0_CMD << GPIO6C5_SHIFT |
GPIO6C4_SDMMC0_CLKOUT << GPIO6C4_SHIFT |
GPIO6C3_SDMMC0_DATA3 << GPIO6C3_SHIFT |
GPIO6C2_SDMMC0_DATA2 << GPIO6C2_SHIFT |
GPIO6C1_SDMMC0_DATA1 << GPIO6C1_SHIFT |
GPIO6C0_SDMMC0_DATA0 << GPIO6C0_SHIFT);
/* use sdmmc0 io, disable JTAG function */
rk_clrsetreg(&grf->soc_con0, 1 << GRF_FORCE_JTAG_SHIFT, 0);
break;
default:
debug("mmc id = %d iomux error!\n", mmc_id);
break;
}
}
static int rk3288_pinctrl_set_pins(struct udevice *dev, int banknum, int index,
int muxval, int flags)
{
struct rk3288_pinctrl_priv *priv = dev_get_priv(dev);
uint shift, ind = index;
uint mask;
u32 *addr;
int ret;
debug("%s: %x %x %x %x\n", __func__, banknum, index, muxval, flags);
ret = rk3288_pinctrl_get_pin_info(priv, banknum, index, &addr, &shift,
&mask);
if (ret)
return ret;
rk_clrsetreg(addr, mask << shift, muxval << shift);
/* Handle pullup/pulldown */
if (flags) {
uint val = 0;
if (flags & (1 << PIN_CONFIG_BIAS_PULL_UP))
val = 1;
else if (flags & (1 << PIN_CONFIG_BIAS_PULL_DOWN))
val = 2;
shift = (index & 7) * 2;
ind = index >> 3;
if (banknum == 0)
addr = &priv->pmu->gpio0pull[ind];
else
addr = &priv->grf->gpio1_p[banknum - 1][ind];
debug("%s: addr=%p, val=%x, shift=%x\n", __func__, addr, val,
shift);
rk_clrsetreg(addr, 3 << shift, val << shift);
}
return 0;
}
static void pinctrl_rk3188_pwm_config(struct rk3188_grf *grf, int pwm_id)
{
switch (pwm_id) {
case PERIPH_ID_PWM0:
rk_clrsetreg(&grf->gpio3d_iomux, GPIO3D3_MASK << GPIO3D3_SHIFT,
GPIO3D3_PWM_0 << GPIO3D3_SHIFT);
break;
case PERIPH_ID_PWM1:
rk_clrsetreg(&grf->gpio3d_iomux, GPIO3D4_MASK << GPIO3D4_SHIFT,
GPIO3D4_PWM_1 << GPIO3D4_SHIFT);
break;
case PERIPH_ID_PWM2:
rk_clrsetreg(&grf->gpio3d_iomux, GPIO3D5_MASK << GPIO3D5_SHIFT,
GPIO3D5_PWM_2 << GPIO3D5_SHIFT);
break;
case PERIPH_ID_PWM3:
rk_clrsetreg(&grf->gpio3d_iomux, GPIO3D6_MASK << GPIO3D6_SHIFT,
GPIO3D6_PWM_3 << GPIO3D6_SHIFT);
break;
default:
debug("pwm id = %d iomux error!\n", pwm_id);
break;
}
}
static void pinctrl_rk3288_pwm_config(struct rk3288_grf *grf, int pwm_id)
{
switch (pwm_id) {
case PERIPH_ID_PWM0:
rk_clrsetreg(&grf->gpio7a_iomux, GPIO7A0_MASK << GPIO7A0_SHIFT,
GPIO7A0_PWM_0 << GPIO7A0_SHIFT);
break;
case PERIPH_ID_PWM1:
rk_clrsetreg(&grf->gpio7a_iomux, GPIO7A1_MASK << GPIO7A1_SHIFT,
GPIO7A1_PWM_1 << GPIO7A1_SHIFT);
break;
case PERIPH_ID_PWM2:
rk_clrsetreg(&grf->gpio7a_iomux, GPIO7C6_MASK << GPIO7C6_SHIFT,
GPIO7C6_PWM_2 << GPIO7C6_SHIFT);
break;
case PERIPH_ID_PWM3:
rk_clrsetreg(&grf->gpio7a_iomux, GPIO7C7_MASK << GPIO7C6_SHIFT,
GPIO7C7_PWM_3 << GPIO7C7_SHIFT);
break;
default:
debug("pwm id = %d iomux error!\n", pwm_id);
break;
}
}
static void pinctrl_rk3036_spi_config(struct rk3036_grf *grf, int cs)
{
switch (cs) {
case 0:
rk_clrsetreg(&grf->gpio1d_iomux,
GPIO1D6_MASK << GPIO1D6_SHIFT,
GPIO1D6_SPI_CSN0 << GPIO1D6_SHIFT);
break;
case 1:
rk_clrsetreg(&grf->gpio1d_iomux,
GPIO1D7_MASK << GPIO1D7_SHIFT,
GPIO1D7_SPI_CSN1 << GPIO1D7_SHIFT);
break;
}
rk_clrsetreg(&grf->gpio1d_iomux,
GPIO1D5_MASK << GPIO1D5_SHIFT |
GPIO1D4_MASK << GPIO1D4_SHIFT,
GPIO1D5_SPI_TXD << GPIO1D5_SHIFT |
GPIO1D4_SPI_RXD << GPIO1D4_SHIFT);
rk_clrsetreg(&grf->gpio2a_iomux,
GPIO2A0_MASK << GPIO2A0_SHIFT,
GPIO2A0_SPI_CLK << GPIO2A0_SHIFT);
}
static void pinctrl_rk3036_pwm_config(struct rk3036_grf *grf, int pwm_id)
{
switch (pwm_id) {
case PERIPH_ID_PWM0:
rk_clrsetreg(&grf->gpio0d_iomux, GPIO0D2_MASK << GPIO0D2_SHIFT,
GPIO0D2_PWM0 << GPIO0D2_SHIFT);
break;
case PERIPH_ID_PWM1:
rk_clrsetreg(&grf->gpio0a_iomux, GPIO0A0_MASK << GPIO0A0_SHIFT,
GPIO0A0_PWM1 << GPIO0A0_SHIFT);
break;
case PERIPH_ID_PWM2:
rk_clrsetreg(&grf->gpio0a_iomux, GPIO0A1_MASK << GPIO0A1_SHIFT,
GPIO0A1_PWM2 << GPIO0A1_SHIFT);
break;
case PERIPH_ID_PWM3:
rk_clrsetreg(&grf->gpio0a_iomux, GPIO0D3_MASK << GPIO0D3_SHIFT,
GPIO0D3_PWM3 << GPIO0D3_SHIFT);
break;
default:
debug("pwm id = %d iomux error!\n", pwm_id);
break;
}
}
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 void pinctrl_rk3288_i2c_config(struct rk3288_grf *grf,
struct rk3288_pmu *pmu, int i2c_id)
{
switch (i2c_id) {
case PERIPH_ID_I2C0:
clrsetbits_le32(&pmu->gpio0_iomux[PMU_GPIO0_B],
GPIO0_B7_MASK << GPIO0_B7_SHIFT,
GPIO0_B7_I2C0PMU_SDA << GPIO0_B7_SHIFT);
clrsetbits_le32(&pmu->gpio0_iomux[PMU_GPIO0_C],
GPIO0_C0_MASK << GPIO0_C0_SHIFT,
GPIO0_C0_I2C0PMU_SCL << GPIO0_C0_SHIFT);
break;
#ifndef CONFIG_SPL_BUILD
case PERIPH_ID_I2C1:
rk_clrsetreg(&grf->gpio8a_iomux,
GPIO8A4_MASK << GPIO8A4_SHIFT |
GPIO8A5_MASK << GPIO8A5_SHIFT,
GPIO8A4_I2C2SENSOR_SDA << GPIO8A4_SHIFT |
GPIO8A5_I2C2SENSOR_SCL << GPIO8A5_SHIFT);
break;
case PERIPH_ID_I2C2:
rk_clrsetreg(&grf->gpio6b_iomux,
GPIO6B1_MASK << GPIO6B1_SHIFT |
GPIO6B2_MASK << GPIO6B2_SHIFT,
GPIO6B1_I2C1AUDIO_SDA << GPIO6B1_SHIFT |
GPIO6B2_I2C1AUDIO_SCL << GPIO6B2_SHIFT);
break;
case PERIPH_ID_I2C3:
rk_clrsetreg(&grf->gpio2c_iomux,
GPIO2C1_MASK << GPIO2C1_SHIFT |
GPIO2C0_MASK << GPIO2C0_SHIFT,
GPIO2C1_I2C3CAM_SDA << GPIO2C1_SHIFT |
GPIO2C0_I2C3CAM_SCL << GPIO2C0_SHIFT);
break;
case PERIPH_ID_I2C4:
rk_clrsetreg(&grf->gpio7cl_iomux,
GPIO7C1_MASK << GPIO7C1_SHIFT |
GPIO7C2_MASK << GPIO7C2_SHIFT,
GPIO7C1_I2C4TP_SDA << GPIO7C1_SHIFT |
GPIO7C2_I2C4TP_SCL << GPIO7C2_SHIFT);
break;
case PERIPH_ID_I2C5:
rk_clrsetreg(&grf->gpio7cl_iomux,
GPIO7C3_MASK << GPIO7C3_SHIFT,
GPIO7C3_I2C5HDMI_SDA << GPIO7C3_SHIFT);
rk_clrsetreg(&grf->gpio7ch_iomux,
GPIO7C4_MASK << GPIO7C4_SHIFT,
GPIO7C4_I2C5HDMI_SCL << GPIO7C4_SHIFT);
break;
#endif
default:
debug("i2c id = %d iomux error!\n", i2c_id);
break;
}
}