]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - board/freescale/mx51evk/mx51evk.c
Merge branch 'master' of git://git.denx.de/u-boot-imx
[karo-tx-uboot.git] / board / freescale / mx51evk / mx51evk.c
index af1b0bd8bc7724302bb55d231aa3e68a51e08316..75d642bf4231f90b1bfe2b92b5b32a8e63ca4f28 100644 (file)
 #include <asm/arch/iomux.h>
 #include <asm/errno.h>
 #include <asm/arch/sys_proto.h>
+#include <asm/arch/crm_regs.h>
 #include <i2c.h>
 #include <mmc.h>
 #include <fsl_esdhc.h>
+#include <fsl_pmic.h>
+#include <mc13892.h>
 #include "mx51evk.h"
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -39,8 +42,8 @@ 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, 1},
+       {MMC_SDHC2_BASE_ADDR, 1},
 };
 #endif
 
@@ -72,72 +75,6 @@ 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*/
@@ -213,6 +150,130 @@ static void setup_iomux_fec(void)
        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
+
+static void power_init(void)
+{
+       unsigned int val;
+       unsigned int reg;
+       struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)MXC_CCM_BASE;
+
+       /* Write needed to Power Gate 2 register */
+       val = pmic_reg_read(REG_POWER_MISC);
+       val &= ~PWGT2SPIEN;
+       pmic_reg_write(REG_POWER_MISC, val);
+
+       /* Write needed to update Charger 0 */
+       pmic_reg_write(REG_CHARGE, VCHRG0 | VCHRG1 | VCHRG2 |
+               ICHRG0 | ICHRG1 | ICHRG2 | ICHRG3 | ICHRGTR0 |
+               OVCTRL1 | UCHEN | CHRGLEDEN | CYCLB);
+
+       /* power up the system first */
+       pmic_reg_write(REG_POWER_MISC, PWUP);
+
+       /* Set core voltage to 1.1V */
+       val = pmic_reg_read(REG_SW_0);
+       val = (val & (~0x1F)) | 0x14;
+       pmic_reg_write(REG_SW_0, val);
+
+       /* Setup VCC (SW2) to 1.25 */
+       val = pmic_reg_read(REG_SW_1);
+       val = (val & (~0x1F)) | 0x1A;
+       pmic_reg_write(REG_SW_1, val);
+
+       /* Setup 1V2_DIG1 (SW3) to 1.25 */
+       val = pmic_reg_read(REG_SW_2);
+       val = (val & (~0x1F)) | 0x1A;
+       pmic_reg_write(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*/
+       val = pmic_reg_read(REG_SW_4);
+       val = (val & ~((SWMODE_MASK << SWMODE1_SHIFT) |
+               (SWMODE_MASK << SWMODE2_SHIFT)));
+       val |= (SWMODE_AUTO_AUTO << SWMODE1_SHIFT) |
+               (SWMODE_AUTO_AUTO << SWMODE2_SHIFT);
+       pmic_reg_write(REG_SW_4, val);
+
+       /* Setup the switcher mode for SW3 & SW4 */
+       val = pmic_reg_read(REG_SW_5);
+       val = (val & ~((SWMODE_MASK << SWMODE3_SHIFT) |
+               (SWMODE_MASK << SWMODE4_SHIFT)));
+       val |= (SWMODE_AUTO_AUTO << SWMODE3_SHIFT) |
+               (SWMODE_AUTO_AUTO << SWMODE4_SHIFT);
+       pmic_reg_write(REG_SW_5, val);
+
+       /* Set VDIG to 1.65V, VGEN3 to 1.8V, VCAM to 2.6V */
+       val = pmic_reg_read(REG_SETTING_0);
+       val &= ~(VCAM_MASK | VGEN3_MASK | VDIG_MASK);
+       val |= VDIG_1_65 | VGEN3_1_8 | VCAM_2_6;
+       pmic_reg_write(REG_SETTING_0, val);
+
+       /* Set VVIDEO to 2.775V, VAUDIO to 3V, VSD to 3.15V */
+       val = pmic_reg_read(REG_SETTING_1);
+       val &= ~(VVIDEO_MASK | VSD_MASK | VAUDIO_MASK);
+       val |= VSD_3_15 | VAUDIO_3_0 | VVIDEO_2_775;
+       pmic_reg_write(REG_SETTING_1, val);
+
+       /* Configure VGEN3 and VCAM regulators to use external PNP */
+       val = VGEN3CONFIG | VCAMCONFIG;
+       pmic_reg_write(REG_MODE_1, val);
+       udelay(200);
+
+       reg = readl(GPIO2_BASE_ADDR + 0x0);
+       reg &= ~0x4000;  /* Lower reset line */
+       writel(reg, GPIO2_BASE_ADDR + 0x0);
+
+       reg = readl(GPIO2_BASE_ADDR + 0x4);
+       reg |= 0x4000;  /* configure GPIO lines as output */
+       writel(reg, GPIO2_BASE_ADDR + 0x4);
+
+       /* Reset the ethernet controller over GPIO */
+       writel(0x1, IOMUXC_BASE_ADDR + 0x0AC);
+
+       /* Enable VGEN3, VCAM, VAUDIO, VVIDEO, VSD regulators */
+       val = VGEN3EN | VGEN3CONFIG | VCAMEN | VCAMCONFIG |
+               VVIDEOEN | VAUDIOEN  | VSDEN;
+       pmic_reg_write(REG_MODE_1, val);
+
+       udelay(500);
+
+       reg = readl(GPIO2_BASE_ADDR + 0x0);
+       reg |= 0x4000;
+       writel(reg, GPIO2_BASE_ADDR + 0x0);
+}
+
 #ifdef CONFIG_FSL_ESDHC
 int board_mmc_getcd(u8 *cd, struct mmc *mmc)
 {
@@ -349,11 +410,22 @@ int board_init(void)
        gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
 
        setup_iomux_uart();
-       setup_expio();
        setup_iomux_fec();
+
        return 0;
 }
 
+#ifdef BOARD_LATE_INIT
+int board_late_init(void)
+{
+#ifdef CONFIG_MXC_SPI
+       setup_iomux_spi();
+       power_init();
+#endif
+       return 0;
+}
+#endif
+
 int checkboard(void)
 {
        puts("Board: MX51EVK ");
@@ -394,4 +466,3 @@ int checkboard(void)
        puts("]\n");
        return 0;
 }
-