]> git.sur5r.net Git - u-boot/blobdiff - board/freescale/mx6slevk/mx6slevk.c
Merge branch 'master' of git://www.denx.de/git/u-boot-imx
[u-boot] / board / freescale / mx6slevk / mx6slevk.c
index 7c18c90bce9eb96275fab8ae6cd30fc2fcfd6593..f978e5044e94dcb08b3a42df8e80fb6ba3538fb8 100644 (file)
@@ -8,7 +8,9 @@
 
 #include <asm/arch/clock.h>
 #include <asm/arch/iomux.h>
+#include <asm/arch/crm_regs.h>
 #include <asm/arch/imx-regs.h>
+#include <asm/arch/mx6-ddr.h>
 #include <asm/arch/mx6-pins.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/gpio.h>
@@ -26,7 +28,7 @@
 #include <power/pfuze100_pmic.h>
 #include "../common/pfuze.h"
 #include <usb.h>
-#include <usb/ehci-fsl.h>
+#include <usb/ehci-ci.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -55,11 +57,11 @@ DECLARE_GLOBAL_DATA_PTR;
                        PAD_CTL_DSE_80ohm | PAD_CTL_HYS |       \
                        PAD_CTL_SRE_FAST)
 
-#define ETH_PHY_RESET  IMX_GPIO_NR(4, 21)
+#define ETH_PHY_POWER  IMX_GPIO_NR(4, 21)
 
 int dram_init(void)
 {
-       gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
+       gd->ram_size = imx_ddr_size();
 
        return 0;
 }
@@ -152,10 +154,9 @@ static void setup_iomux_fec(void)
 {
        imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads));
 
-       /* Reset LAN8720 PHY */
-       gpio_direction_output(ETH_PHY_RESET , 0);
-       udelay(1000);
-       gpio_set_value(ETH_PHY_RESET, 1);
+       /* Power up LAN8720 PHY */
+       gpio_direction_output(ETH_PHY_POWER , 1);
+       udelay(15000);
 }
 
 #define USDHC1_CD_GPIO IMX_GPIO_NR(4, 7)
@@ -168,6 +169,11 @@ static struct fsl_esdhc_cfg usdhc_cfg[3] = {
        {USDHC3_BASE_ADDR, 0, 4},
 };
 
+int board_mmc_get_env_dev(int devno)
+{
+       return devno;
+}
+
 int board_mmc_getcd(struct mmc *mmc)
 {
        struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
@@ -190,11 +196,12 @@ int board_mmc_getcd(struct mmc *mmc)
 
 int board_mmc_init(bd_t *bis)
 {
+#ifndef CONFIG_SPL_BUILD
        int i, ret;
 
        /*
         * According to the board_mmc_init() the following map is done:
-        * (U-boot device node)    (Physical Port)
+        * (U-Boot device node)    (Physical Port)
         * mmc0                    USDHC1
         * mmc1                    USDHC2
         * mmc2                    USDHC3
@@ -223,17 +230,55 @@ int board_mmc_init(bd_t *bis)
                        printf("Warning: you configured more USDHC controllers"
                                "(%d) than supported by the board\n", i + 1);
                        return -EINVAL;
-                       }
-
-                       ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
-                       if (ret) {
-                               printf("Warning: failed to initialize "
-                                       "mmc dev %d\n", i);
-                               return ret;
-                       }
+               }
+
+               ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
+               if (ret) {
+                       printf("Warning: failed to initialize "
+                               "mmc dev %d\n", i);
+                       return ret;
+               }
        }
 
        return 0;
+#else
+       struct src *src_regs = (struct src *)SRC_BASE_ADDR;
+       u32 val;
+       u32 port;
+
+       val = readl(&src_regs->sbmr1);
+
+       /* Boot from USDHC */
+       port = (val >> 11) & 0x3;
+       switch (port) {
+       case 0:
+               imx_iomux_v3_setup_multiple_pads(usdhc1_pads,
+                                                ARRAY_SIZE(usdhc1_pads));
+               gpio_direction_input(USDHC1_CD_GPIO);
+               usdhc_cfg[0].esdhc_base = USDHC1_BASE_ADDR;
+               usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
+               break;
+       case 1:
+               imx_iomux_v3_setup_multiple_pads(usdhc2_pads,
+                                                ARRAY_SIZE(usdhc2_pads));
+               gpio_direction_input(USDHC2_CD_GPIO);
+               usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR;
+               usdhc_cfg[0].max_bus_width = 4;
+               usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
+               break;
+       case 2:
+               imx_iomux_v3_setup_multiple_pads(usdhc3_pads,
+                                                ARRAY_SIZE(usdhc3_pads));
+               gpio_direction_input(USDHC3_CD_GPIO);
+               usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR;
+               usdhc_cfg[0].max_bus_width = 4;
+               usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
+               break;
+       }
+
+       gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
+       return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
+#endif
 }
 
 #ifdef CONFIG_SYS_I2C_MXC
@@ -279,7 +324,7 @@ static int setup_fec(void)
        /* clear gpr1[14], gpr1[18:17] to select anatop clock */
        clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC_MASK, 0);
 
-       return enable_fec_anatop_clock(ENET_50MHZ);
+       return enable_fec_anatop_clock(0, ENET_50MHZ);
 }
 #endif
 
@@ -361,3 +406,122 @@ int checkboard(void)
 
        return 0;
 }
+
+#ifdef CONFIG_SPL_BUILD
+#include <spl.h>
+#include <libfdt.h>
+
+const struct mx6sl_iomux_ddr_regs mx6_ddr_ioregs = {
+       .dram_sdqs0 = 0x00003030,
+       .dram_sdqs1 = 0x00003030,
+       .dram_sdqs2 = 0x00003030,
+       .dram_sdqs3 = 0x00003030,
+       .dram_dqm0 = 0x00000030,
+       .dram_dqm1 = 0x00000030,
+       .dram_dqm2 = 0x00000030,
+       .dram_dqm3 = 0x00000030,
+       .dram_cas  = 0x00000030,
+       .dram_ras  = 0x00000030,
+       .dram_sdclk_0 = 0x00000028,
+       .dram_reset = 0x00000030,
+       .dram_sdba2 = 0x00000000,
+       .dram_odt0 = 0x00000008,
+       .dram_odt1 = 0x00000008,
+};
+
+const struct mx6sl_iomux_grp_regs mx6_grp_ioregs = {
+       .grp_b0ds = 0x00000030,
+       .grp_b1ds = 0x00000030,
+       .grp_b2ds = 0x00000030,
+       .grp_b3ds = 0x00000030,
+       .grp_addds = 0x00000030,
+       .grp_ctlds = 0x00000030,
+       .grp_ddrmode_ctl = 0x00020000,
+       .grp_ddrpke = 0x00000000,
+       .grp_ddrmode = 0x00020000,
+       .grp_ddr_type = 0x00080000,
+};
+
+const struct mx6_mmdc_calibration mx6_mmcd_calib = {
+       .p0_mpdgctrl0 =  0x20000000,
+       .p0_mpdgctrl1 =  0x00000000,
+       .p0_mprddlctl =  0x4241444a,
+       .p0_mpwrdlctl =  0x3030312b,
+       .mpzqlp2ctl = 0x1b4700c7,
+};
+
+static struct mx6_lpddr2_cfg mem_ddr = {
+       .mem_speed = 800,
+       .density = 4,
+       .width = 32,
+       .banks = 8,
+       .rowaddr = 14,
+       .coladdr = 10,
+       .trcd_lp = 2000,
+       .trppb_lp = 2000,
+       .trpab_lp = 2250,
+       .trasmin = 4200,
+};
+
+static void ccgr_init(void)
+{
+       struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+
+       writel(0xFFFFFFFF, &ccm->CCGR0);
+       writel(0xFFFFFFFF, &ccm->CCGR1);
+       writel(0xFFFFFFFF, &ccm->CCGR2);
+       writel(0xFFFFFFFF, &ccm->CCGR3);
+       writel(0xFFFFFFFF, &ccm->CCGR4);
+       writel(0xFFFFFFFF, &ccm->CCGR5);
+       writel(0xFFFFFFFF, &ccm->CCGR6);
+
+       writel(0x00260324, &ccm->cbcmr);
+}
+
+static void spl_dram_init(void)
+{
+       struct mx6_ddr_sysinfo sysinfo = {
+               .dsize = mem_ddr.width / 32,
+               .cs_density = 20,
+               .ncs = 2,
+               .cs1_mirror = 0,
+               .walat = 0,
+               .ralat = 2,
+               .mif3_mode = 3,
+               .bi_on = 1,
+               .rtt_wr = 0,        /* LPDDR2 does not need rtt_wr rtt_nom */
+               .rtt_nom = 0,
+               .sde_to_rst = 0,    /* LPDDR2 does not need this field */
+               .rst_to_cke = 0x10, /* JEDEC value for LPDDR2: 200us */
+               .ddr_type = DDR_TYPE_LPDDR2,
+       };
+       mx6sl_dram_iocfg(32, &mx6_ddr_ioregs, &mx6_grp_ioregs);
+       mx6_dram_cfg(&sysinfo, &mx6_mmcd_calib, &mem_ddr);
+}
+
+void board_init_f(ulong dummy)
+{
+       /* setup AIPS and disable watchdog */
+       arch_cpu_init();
+
+       ccgr_init();
+
+       /* iomux and setup of i2c */
+       board_early_init_f();
+
+       /* setup GP timer */
+       timer_init();
+
+       /* UART clocks enabled and gd valid - init serial console */
+       preloader_console_init();
+
+       /* DDR initialization */
+       spl_dram_init();
+
+       /* Clear the BSS. */
+       memset(__bss_start, 0, __bss_end - __bss_start);
+
+       /* load/boot image from boot device */
+       board_init_r(NULL, 0);
+}
+#endif