#include <common.h>
#include <asm/io.h>
+#include <asm/gpio.h>
#include <asm/arch/imx-regs.h>
-#include <asm/arch/mx51_pins.h>
+#include <asm/arch/mx5x_pins.h>
#include <asm/arch/iomux.h>
#include <asm/errno.h>
#include <asm/arch/sys_proto.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/clock.h>
+#include <asm/imx-common/mx5_video.h>
#include <i2c.h>
#include <mmc.h>
#include <fsl_esdhc.h>
-#include "mx51evk.h"
+#include <power/pmic.h>
+#include <fsl_pmic.h>
+#include <mc13892.h>
+#include <usb/ehci-fsl.h>
DECLARE_GLOBAL_DATA_PTR;
-static u32 system_rev;
-struct io_board_ctrl *mx51_io_board;
-
#ifdef CONFIG_FSL_ESDHC
struct fsl_esdhc_cfg esdhc_cfg[2] = {
- {MMC_SDHC1_BASE_ADDR, 1, 1},
- {MMC_SDHC2_BASE_ADDR, 1, 1},
+ {MMC_SDHC1_BASE_ADDR},
+ {MMC_SDHC2_BASE_ADDR},
};
#endif
-u32 get_board_rev(void)
+int dram_init(void)
{
- return system_rev;
+ /* dram_init must store complete ramsize in gd->ram_size */
+ gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
+ PHYS_SDRAM_1_SIZE);
+ return 0;
}
-int dram_init(void)
+u32 get_board_rev(void)
{
- gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
- gd->bd->bi_dram[0].size = get_ram_size((long *)PHYS_SDRAM_1,
- PHYS_SDRAM_1_SIZE);
- return 0;
+ u32 rev = get_cpu_rev();
+ if (!gpio_get_value(IMX_GPIO_NR(1, 22)))
+ rev |= BOARD_REV_2_0 << BOARD_VER_OFFSET;
+ return rev;
}
static void setup_iomux_uart(void)
mxc_iomux_set_pad(MX51_PIN_UART1_CTS, pad);
}
-static void setup_expio(void)
-{
- u32 reg;
- struct weim *pweim = (struct weim *)WEIM_BASE_ADDR;
- struct clkctl *pclkctl = (struct clkctl *)CCM_BASE_ADDR;
-
- /* CS5 setup */
- mxc_request_iomux(MX51_PIN_EIM_CS5, IOMUX_CONFIG_ALT0);
- writel(0x00410089, &pweim[5].csgcr1);
- writel(0x00000002, &pweim[5].csgcr2);
-
- /* RWSC=50, RADVA=2, RADVN=6, OEA=0, OEN=0, RCSA=0, RCSN=0 */
- writel(0x32260000, &pweim[5].csrcr1);
-
- /* APR = 0 */
- writel(0x00000000, &pweim[5].csrcr2);
-
- /*
- * WAL=0, WBED=1, WWSC=50, WADVA=2, WADVN=6, WEA=0, WEN=0,
- * WCSA=0, WCSN=0
- */
- writel(0x72080F00, &pweim[5].cswcr1);
-
- mx51_io_board = (struct io_board_ctrl *)(CS5_BASE_ADDR +
- IO_BOARD_OFFSET);
- if ((readw(&mx51_io_board->id1) == 0xAAAA) &&
- (readw(&mx51_io_board->id2) == 0x5555)) {
- if (is_soc_rev(CHIP_REV_2_0) < 0) {
- reg = readl(&pclkctl->cbcdr);
- reg = (reg & (~0x70000)) | 0x30000;
- writel(reg, &pclkctl->cbcdr);
- /* make sure divider effective */
- while (readl(&pclkctl->cdhipr) != 0)
- ;
- writel(0x0, &pclkctl->ccdr);
- }
- } else {
- /* CS1 */
- writel(0x00410089, &pweim[1].csgcr1);
- writel(0x00000002, &pweim[1].csgcr2);
- /* RWSC=50, RADVA=2, RADVN=6, OEA=0, OEN=0, RCSA=0, RCSN=0 */
- writel(0x32260000, &pweim[1].csrcr1);
- /* APR=0 */
- writel(0x00000000, &pweim[1].csrcr2);
- /*
- * WAL=0, WBED=1, WWSC=50, WADVA=2, WADVN=6, WEA=0,
- * WEN=0, WCSA=0, WCSN=0
- */
- writel(0x72080F00, &pweim[1].cswcr1);
- mx51_io_board = (struct io_board_ctrl *)(CS1_BASE_ADDR +
- IO_BOARD_OFFSET);
- }
-
- /* Reset interrupt status reg */
- writew(0x1F, &(mx51_io_board->int_rest));
- writew(0x00, &(mx51_io_board->int_rest));
- writew(0xFFFF, &(mx51_io_board->int_mask));
-
- /* Reset the XUART and Ethernet controllers */
- reg = readw(&(mx51_io_board->sw_reset));
- reg |= 0x9;
- writew(reg, &(mx51_io_board->sw_reset));
- reg &= ~0x9;
- writew(reg, &(mx51_io_board->sw_reset));
-}
-
static void setup_iomux_fec(void)
{
/*FEC_MDIO*/
mxc_iomux_set_pad(MX51_PIN_NANDF_D11, 0x2180);
}
+#ifdef CONFIG_MXC_SPI
+static void setup_iomux_spi(void)
+{
+ /* 000: Select mux mode: ALT0 mux port: MOSI of instance: ecspi1 */
+ mxc_request_iomux(MX51_PIN_CSPI1_MOSI, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_CSPI1_MOSI, 0x105);
+
+ /* 000: Select mux mode: ALT0 mux port: MISO of instance: ecspi1. */
+ mxc_request_iomux(MX51_PIN_CSPI1_MISO, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_CSPI1_MISO, 0x105);
+
+ /* de-select SS1 of instance: ecspi1. */
+ mxc_request_iomux(MX51_PIN_CSPI1_SS1, IOMUX_CONFIG_ALT3);
+ mxc_iomux_set_pad(MX51_PIN_CSPI1_SS1, 0x85);
+
+ /* 000: Select mux mode: ALT0 mux port: SS0 ecspi1 */
+ mxc_request_iomux(MX51_PIN_CSPI1_SS0, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_CSPI1_SS0, 0x185);
+
+ /* 000: Select mux mode: ALT0 mux port: RDY of instance: ecspi1. */
+ mxc_request_iomux(MX51_PIN_CSPI1_RDY, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_CSPI1_RDY, 0x180);
+
+ /* 000: Select mux mode: ALT0 mux port: SCLK of instance: ecspi1. */
+ mxc_request_iomux(MX51_PIN_CSPI1_SCLK, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_CSPI1_SCLK, 0x105);
+}
+#endif
+
+#ifdef CONFIG_USB_EHCI_MX5
+#define MX51EVK_USBH1_HUB_RST IOMUX_TO_GPIO(MX51_PIN_GPIO1_7) /* GPIO1_7 */
+#define MX51EVK_USBH1_STP IOMUX_TO_GPIO(MX51_PIN_USBH1_STP) /* GPIO1_27 */
+#define MX51EVK_USB_CLK_EN_B IOMUX_TO_GPIO(MX51_PIN_EIM_D18) /* GPIO2_1 */
+#define MX51EVK_USB_PHY_RESET IOMUX_TO_GPIO(MX51_PIN_EIM_D21) /* GPIO2_5 */
+
+#define USBH1_PAD (PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH | \
+ PAD_CTL_100K_PU | PAD_CTL_PUE_PULL | \
+ PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE)
+#define GPIO_PAD (PAD_CTL_DRV_HIGH | PAD_CTL_PKE_ENABLE | \
+ PAD_CTL_SRE_FAST)
+#define NO_PAD (1 << 16)
+
+static void setup_usb_h1(void)
+{
+ setup_iomux_usb_h1();
+
+ /* GPIO_1_7 for USBH1 hub reset */
+ mxc_request_iomux(MX51_PIN_GPIO1_7, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_GPIO1_7, NO_PAD);
+
+ /* GPIO_2_1 */
+ mxc_request_iomux(MX51_PIN_EIM_D17, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_EIM_D17, GPIO_PAD);
+
+ /* GPIO_2_5 for USB PHY reset */
+ mxc_request_iomux(MX51_PIN_EIM_D21, IOMUX_CONFIG_ALT1);
+ mxc_iomux_set_pad(MX51_PIN_EIM_D21, GPIO_PAD);
+}
+
+int board_ehci_hcd_init(int port)
+{
+ /* Set USBH1_STP to GPIO and toggle it */
+ mxc_request_iomux(MX51_PIN_USBH1_STP, IOMUX_CONFIG_GPIO);
+ mxc_iomux_set_pad(MX51_PIN_USBH1_STP, USBH1_PAD);
+
+ gpio_direction_output(MX51EVK_USBH1_STP, 0);
+ gpio_direction_output(MX51EVK_USB_PHY_RESET, 0);
+ mdelay(10);
+ gpio_set_value(MX51EVK_USBH1_STP, 1);
+
+ /* Set back USBH1_STP to be function */
+ mxc_request_iomux(MX51_PIN_USBH1_STP, IOMUX_CONFIG_ALT0);
+ mxc_iomux_set_pad(MX51_PIN_USBH1_STP, USBH1_PAD);
+
+ /* De-assert USB PHY RESETB */
+ gpio_set_value(MX51EVK_USB_PHY_RESET, 1);
+
+ /* Drive USB_CLK_EN_B line low */
+ gpio_direction_output(MX51EVK_USB_CLK_EN_B, 0);
+
+ /* Reset USB hub */
+ gpio_direction_output(MX51EVK_USBH1_HUB_RST, 0);
+ mdelay(2);
+ gpio_set_value(MX51EVK_USBH1_HUB_RST, 1);
+ return 0;
+}
+#endif
+
+static void power_init(void)
+{
+ unsigned int val;
+ struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)MXC_CCM_BASE;
+ struct pmic *p;
+ int ret;
+
+ ret = pmic_init(I2C_PMIC);
+ if (ret)
+ return;
+
+ p = pmic_get("FSL_PMIC");
+ if (!p)
+ return;
+
+ /* Write needed to Power Gate 2 register */
+ pmic_reg_read(p, REG_POWER_MISC, &val);
+ val &= ~PWGT2SPIEN;
+ pmic_reg_write(p, REG_POWER_MISC, val);
+
+ /* Externally powered */
+ pmic_reg_read(p, REG_CHARGE, &val);
+ val |= ICHRG0 | ICHRG1 | ICHRG2 | ICHRG3 | CHGAUTOB;
+ pmic_reg_write(p, REG_CHARGE, val);
+
+ /* power up the system first */
+ pmic_reg_write(p, REG_POWER_MISC, PWUP);
+
+ /* Set core voltage to 1.1V */
+ pmic_reg_read(p, REG_SW_0, &val);
+ val = (val & ~SWx_VOLT_MASK) | SWx_1_100V;
+ pmic_reg_write(p, REG_SW_0, val);
+
+ /* Setup VCC (SW2) to 1.25 */
+ pmic_reg_read(p, REG_SW_1, &val);
+ val = (val & ~SWx_VOLT_MASK) | SWx_1_250V;
+ pmic_reg_write(p, REG_SW_1, val);
+
+ /* Setup 1V2_DIG1 (SW3) to 1.25 */
+ pmic_reg_read(p, REG_SW_2, &val);
+ val = (val & ~SWx_VOLT_MASK) | SWx_1_250V;
+ pmic_reg_write(p, REG_SW_2, val);
+ udelay(50);
+
+ /* Raise the core frequency to 800MHz */
+ writel(0x0, &mxc_ccm->cacrr);
+
+ /* Set switchers in Auto in NORMAL mode & STANDBY mode */
+ /* Setup the switcher mode for SW1 & SW2*/
+ pmic_reg_read(p, REG_SW_4, &val);
+ val = (val & ~((SWMODE_MASK << SWMODE1_SHIFT) |
+ (SWMODE_MASK << SWMODE2_SHIFT)));
+ val |= (SWMODE_AUTO_AUTO << SWMODE1_SHIFT) |
+ (SWMODE_AUTO_AUTO << SWMODE2_SHIFT);
+ pmic_reg_write(p, REG_SW_4, val);
+
+ /* Setup the switcher mode for SW3 & SW4 */
+ pmic_reg_read(p, REG_SW_5, &val);
+ val = (val & ~((SWMODE_MASK << SWMODE3_SHIFT) |
+ (SWMODE_MASK << SWMODE4_SHIFT)));
+ val |= (SWMODE_AUTO_AUTO << SWMODE3_SHIFT) |
+ (SWMODE_AUTO_AUTO << SWMODE4_SHIFT);
+ pmic_reg_write(p, REG_SW_5, val);
+
+ /* Set VDIG to 1.65V, VGEN3 to 1.8V, VCAM to 2.6V */
+ pmic_reg_read(p, REG_SETTING_0, &val);
+ val &= ~(VCAM_MASK | VGEN3_MASK | VDIG_MASK);
+ val |= VDIG_1_65 | VGEN3_1_8 | VCAM_2_6;
+ pmic_reg_write(p, REG_SETTING_0, val);
+
+ /* Set VVIDEO to 2.775V, VAUDIO to 3V, VSD to 3.15V */
+ pmic_reg_read(p, REG_SETTING_1, &val);
+ val &= ~(VVIDEO_MASK | VSD_MASK | VAUDIO_MASK);
+ val |= VSD_3_15 | VAUDIO_3_0 | VVIDEO_2_775;
+ pmic_reg_write(p, REG_SETTING_1, val);
+
+ /* Configure VGEN3 and VCAM regulators to use external PNP */
+ val = VGEN3CONFIG | VCAMCONFIG;
+ pmic_reg_write(p, REG_MODE_1, val);
+ udelay(200);
+
+ /* Enable VGEN3, VCAM, VAUDIO, VVIDEO, VSD regulators */
+ val = VGEN3EN | VGEN3CONFIG | VCAMEN | VCAMCONFIG |
+ VVIDEOEN | VAUDIOEN | VSDEN;
+ pmic_reg_write(p, REG_MODE_1, val);
+
+ mxc_request_iomux(MX51_PIN_EIM_A20, IOMUX_CONFIG_ALT1);
+ gpio_direction_output(IMX_GPIO_NR(2, 14), 0);
+
+ udelay(500);
+
+ gpio_set_value(IMX_GPIO_NR(2, 14), 1);
+}
+
#ifdef CONFIG_FSL_ESDHC
-int board_mmc_getcd(u8 *cd, struct mmc *mmc)
+int board_mmc_getcd(struct mmc *mmc)
{
struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+ int ret;
+
+ mxc_request_iomux(MX51_PIN_GPIO1_0, IOMUX_CONFIG_ALT1);
+ gpio_direction_input(IMX_GPIO_NR(1, 0));
+ mxc_request_iomux(MX51_PIN_GPIO1_6, IOMUX_CONFIG_ALT0);
+ gpio_direction_input(IMX_GPIO_NR(1, 6));
if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
- *cd = readl(GPIO1_BASE_ADDR) & 0x01;
+ ret = !gpio_get_value(IMX_GPIO_NR(1, 0));
else
- *cd = readl(GPIO1_BASE_ADDR) & 0x40;
+ ret = !gpio_get_value(IMX_GPIO_NR(1, 6));
- return 0;
+ return ret;
}
int board_mmc_init(bd_t *bis)
u32 index;
s32 status = 0;
+ esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
+ esdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
+
for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM;
index++) {
switch (index) {
}
#endif
-int board_init(void)
+int board_early_init_f(void)
{
- system_rev = get_cpu_rev();
+ setup_iomux_uart();
+ setup_iomux_fec();
+#ifdef CONFIG_USB_EHCI_MX5
+ setup_usb_h1();
+#endif
+ setup_iomux_lcd();
- gd->bd->bi_arch_number = MACH_TYPE_MX51_BABBAGE;
+ return 0;
+}
+
+int board_init(void)
+{
/* address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
- setup_iomux_uart();
- setup_expio();
- setup_iomux_fec();
+ lcd_enable();
+
+ return 0;
+}
+
+#ifdef CONFIG_BOARD_LATE_INIT
+int board_late_init(void)
+{
+#ifdef CONFIG_MXC_SPI
+ setup_iomux_spi();
+ power_init();
+#endif
+
return 0;
}
+#endif
+
+/*
+ * Do not overwrite the console
+ * Use always serial for U-Boot console
+ */
+int overwrite_console(void)
+{
+ return 1;
+}
int checkboard(void)
{
- puts("Board: MX51EVK ");
-
- switch (system_rev & 0xff) {
- case CHIP_REV_3_0:
- puts("3.0 [");
- break;
- case CHIP_REV_2_5:
- puts("2.5 [");
- break;
- case CHIP_REV_2_0:
- puts("2.0 [");
- break;
- case CHIP_REV_1_1:
- puts("1.1 [");
- break;
- case CHIP_REV_1_0:
- default:
- puts("1.0 [");
- break;
- }
+ puts("Board: MX51EVK\n");
- switch (__raw_readl(SRC_BASE_ADDR + 0x8)) {
- case 0x0001:
- puts("POR");
- break;
- case 0x0009:
- puts("RST");
- break;
- case 0x0010:
- case 0x0011:
- puts("WDOG");
- break;
- default:
- puts("unknown");
- }
- puts("]\n");
return 0;
}
projects / karo-tx-uboot.git / blobdiff