]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - board/atmel/sama5d3xek/sama5d3xek.c
arm: atmel: sama5d3: add spi spl boot support
[karo-tx-uboot.git] / board / atmel / sama5d3xek / sama5d3xek.c
index 541296dbd454fdc71dfce20d537fb547bb0f5926..8a214de475a11d5b10eddfd5de144961caaaa643 100644 (file)
@@ -2,23 +2,7 @@
  * Copyright (C) 2012 - 2013 Atmel Corporation
  * Bo Shen <voice.shen@atmel.com>
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
 #include <lcd.h>
 #include <atmel_lcdc.h>
 #include <atmel_mci.h>
+#include <micrel.h>
 #include <net.h>
 #include <netdev.h>
+#include <spl.h>
+#include <asm/arch/atmel_mpddrc.h>
+#include <asm/arch/at91_wdt.h>
+
+#ifdef CONFIG_USB_GADGET_ATMEL_USBA
+#include <asm/arch/atmel_usba_udc.h>
+#endif
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -142,7 +134,8 @@ static void sama5d3xek_lcd_hw_init(void)
 
 void lcd_show_board_info(void)
 {
-       ulong dram_size, nand_size;
+       ulong dram_size;
+       uint64_t nand_size;
        int i;
        char temp[32];
 
@@ -161,7 +154,7 @@ void lcd_show_board_info(void)
        for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
                nand_size += nand_info[i].size;
 #endif
-       lcd_printf("%ld MB SDRAM, %ld MB NAND\n",
+       lcd_printf("%ld MB SDRAM, %lld MB NAND\n",
                   dram_size >> 20, nand_size >> 20);
 }
 #endif /* CONFIG_LCD_INFO */
@@ -169,6 +162,12 @@ void lcd_show_board_info(void)
 
 int board_early_init_f(void)
 {
+       at91_periph_clk_enable(ATMEL_ID_PIOA);
+       at91_periph_clk_enable(ATMEL_ID_PIOB);
+       at91_periph_clk_enable(ATMEL_ID_PIOC);
+       at91_periph_clk_enable(ATMEL_ID_PIOD);
+       at91_periph_clk_enable(ATMEL_ID_PIOE);
+
        at91_seriald_hw_init();
 
        return 0;
@@ -185,6 +184,9 @@ int board_init(void)
 #ifdef CONFIG_CMD_USB
        sama5d3xek_usb_hw_init();
 #endif
+#ifdef CONFIG_USB_GADGET_ATMEL_USBA
+       at91_udp_hw_init();
+#endif
 #ifdef CONFIG_GENERIC_ATMEL_MCI
        sama5d3xek_mci_hw_init();
 #endif
@@ -194,6 +196,8 @@ int board_init(void)
 #ifdef CONFIG_MACB
        if (has_emac())
                at91_macb_hw_init();
+       if (has_gmac())
+               at91_gmac_hw_init();
 #endif
 #ifdef CONFIG_LCD
        if (has_lcdc())
@@ -209,6 +213,21 @@ int dram_init(void)
        return 0;
 }
 
+int board_phy_config(struct phy_device *phydev)
+{
+       /* rx data delay */
+       ksz9021_phy_extended_write(phydev,
+                                  MII_KSZ9021_EXT_RGMII_RX_DATA_SKEW, 0x2222);
+       /* tx data delay */
+       ksz9021_phy_extended_write(phydev,
+                                  MII_KSZ9021_EXT_RGMII_TX_DATA_SKEW, 0x2222);
+       /* rx/tx clock delay */
+       ksz9021_phy_extended_write(phydev,
+                                  MII_KSZ9021_EXT_RGMII_CLOCK_SKEW, 0xf2f4);
+
+       return 0;
+}
+
 int board_eth_init(bd_t *bis)
 {
        int rc = 0;
@@ -216,6 +235,14 @@ int board_eth_init(bd_t *bis)
 #ifdef CONFIG_MACB
        if (has_emac())
                rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x00);
+       if (has_gmac())
+               rc = macb_eth_initialize(0, (void *)ATMEL_BASE_GMAC, 0x00);
+#endif
+#ifdef CONFIG_USB_GADGET_ATMEL_USBA
+       usba_udc_probe(&pdata);
+#ifdef CONFIG_USB_ETH_RNDIS
+       usb_eth_initialize(bis);
+#endif
 #endif
 
        return rc;
@@ -273,3 +300,87 @@ void spi_cs_deactivate(struct spi_slave *slave)
        }
 }
 #endif /* CONFIG_ATMEL_SPI */
+
+/* SPL */
+#ifdef CONFIG_SPL_BUILD
+void spl_board_init(void)
+{
+#ifdef CONFIG_SYS_USE_MMC
+       sama5d3xek_mci_hw_init();
+#elif CONFIG_SYS_USE_SERIALFLASH
+       at91_spi0_hw_init(1 << 0);
+#endif
+}
+
+static void ddr2_conf(struct atmel_mpddr *ddr2)
+{
+       ddr2->md = (ATMEL_MPDDRC_MD_DBW_32_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
+
+       ddr2->cr = (ATMEL_MPDDRC_CR_NC_COL_10 |
+                   ATMEL_MPDDRC_CR_NR_ROW_14 |
+                   ATMEL_MPDDRC_CR_CAS_DDR_CAS3 |
+                   ATMEL_MPDDRC_CR_ENRDM_ON |
+                   ATMEL_MPDDRC_CR_NB_8BANKS |
+                   ATMEL_MPDDRC_CR_NDQS_DISABLED |
+                   ATMEL_MPDDRC_CR_DECOD_INTERLEAVED |
+                   ATMEL_MPDDRC_CR_UNAL_SUPPORTED);
+       /*
+        * As the DDR2-SDRAm device requires a refresh time is 7.8125us
+        * when DDR run at 133MHz, so it needs (7.8125us * 133MHz / 10^9) clocks
+        */
+       ddr2->rtr = 0x411;
+
+       ddr2->tpr0 = (6 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET |
+                     2 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET |
+                     2 << ATMEL_MPDDRC_TPR0_TWR_OFFSET |
+                     8 << ATMEL_MPDDRC_TPR0_TRC_OFFSET |
+                     2 << ATMEL_MPDDRC_TPR0_TRP_OFFSET |
+                     2 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET |
+                     2 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET |
+                     2 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET);
+
+       ddr2->tpr1 = (2 << ATMEL_MPDDRC_TPR1_TXP_OFFSET |
+                     200 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET |
+                     28 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET |
+                     26 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET);
+
+       ddr2->tpr2 = (7 << ATMEL_MPDDRC_TPR2_TFAW_OFFSET |
+                     2 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET |
+                     2 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET |
+                     7 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET |
+                     8 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET);
+}
+
+void mem_init(void)
+{
+       struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+       struct atmel_mpddr ddr2;
+
+       ddr2_conf(&ddr2);
+
+       /* enable MPDDR clock */
+       at91_periph_clk_enable(ATMEL_ID_MPDDRC);
+       writel(0x4, &pmc->scer);
+
+       /* DDRAM2 Controller initialize */
+       ddr2_init(ATMEL_BASE_DDRCS, &ddr2);
+}
+
+void at91_pmc_init(void)
+{
+       struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+       u32 tmp;
+
+       tmp = AT91_PMC_PLLAR_29 |
+             AT91_PMC_PLLXR_PLLCOUNT(0x3f) |
+             AT91_PMC_PLLXR_MUL(43) |
+             AT91_PMC_PLLXR_DIV(1);
+       at91_plla_init(tmp);
+
+       writel(0x3 << 8, &pmc->pllicpr);
+
+       tmp = AT91_PMC_MCKR_MDIV_4 |
+             AT91_PMC_MCKR_CSS_PLLA;
+       at91_mck_init(tmp);
+}
+#endif