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authorTimur Tabi <timur@freescale.com>2010-06-14 15:28:24 -0500
committerKumar Gala <galak@kernel.crashing.org>2010-07-16 10:55:10 -0500
commitc59e1b4d078d5301aaeeec13b3e292d5bed05daf (patch)
treeb4eb59fc962161d9367857d62078adaec446b9f5 /board/freescale/p1022ds/p1022ds.c
parentddac6f08db3d539d05fad5400ed3dc815b1a196b (diff)
downloadblackbird-obmc-uboot-c59e1b4d078d5301aaeeec13b3e292d5bed05daf.tar.gz
blackbird-obmc-uboot-c59e1b4d078d5301aaeeec13b3e292d5bed05daf.zip
powerpc: add support for the Freescale P1022DS reference board
Specifics: 1) 36-bit only 2) Booting from NOR flash only 3) Environment stored in NOR flash only 4) No SPI support 5) No DIU support Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'board/freescale/p1022ds/p1022ds.c')
-rw-r--r--board/freescale/p1022ds/p1022ds.c285
1 files changed, 285 insertions, 0 deletions
diff --git a/board/freescale/p1022ds/p1022ds.c b/board/freescale/p1022ds/p1022ds.c
new file mode 100644
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+++ b/board/freescale/p1022ds/p1022ds.c
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+/*
+ * Copyright 2010 Freescale Semiconductor, Inc.
+ * Authors: Srikanth Srinivasan <srikanth.srinivasan@freescale.com>
+ * Timur Tabi <timur@freescale.com>
+ *
+ * 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.
+ */
+
+#include <common.h>
+#include <command.h>
+#include <pci.h>
+#include <asm/processor.h>
+#include <asm/mmu.h>
+#include <asm/cache.h>
+#include <asm/immap_85xx.h>
+#include <asm/fsl_pci.h>
+#include <asm/fsl_ddr_sdram.h>
+#include <asm/fsl_serdes.h>
+#include <asm/io.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#include <tsec.h>
+#include <asm/fsl_law.h>
+#include <asm/mp.h>
+#include <netdev.h>
+#include <i2c.h>
+
+#include "../common/ngpixis.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_early_init_f(void)
+{
+ ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
+
+ /* Set pmuxcr to allow both i2c1 and i2c2 */
+ setbits_be32(&gur->pmuxcr, 0x1000);
+
+ /* Read back the register to synchronize the write. */
+ in_be32(&gur->pmuxcr);
+
+ /* Set the pin muxing to enable ETSEC2. */
+ clrbits_be32(&gur->pmuxcr2, 0x001F8000);
+
+ return 0;
+}
+
+int checkboard(void)
+{
+ u8 sw;
+
+ puts("Board: P1022DS ");
+
+ printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
+ in_8(&pixis->id), in_8(&pixis->arch), in_8(&pixis->scver));
+
+ sw = in_8(&PIXIS_SW(PIXIS_LBMAP_SWITCH));
+
+ switch ((sw & PIXIS_LBMAP_MASK) >> 6) {
+ case 0:
+ printf ("vBank: %u\n", ((sw & 0x30) >> 4));
+ break;
+ case 1:
+ printf ("NAND\n");
+ break;
+ case 2:
+ case 3:
+ puts ("Promjet\n");
+ break;
+ }
+
+ return 0;
+}
+
+phys_size_t initdram(int board_type)
+{
+ phys_size_t dram_size = 0;
+
+ puts("Initializing....\n");
+
+ dram_size = fsl_ddr_sdram();
+ dram_size = setup_ddr_tlbs(dram_size / 0x100000) * 0x100000;
+
+ puts(" DDR: ");
+ return dram_size;
+}
+
+#define CONFIG_TFP410_I2C_ADDR 0x38
+
+int misc_init_r(void)
+{
+ u8 temp;
+
+ /* Enable the TFP410 Encoder */
+
+ temp = 0xBF;
+ if (i2c_write(CONFIG_TFP410_I2C_ADDR, 0x08, 1, &temp, sizeof(temp)) < 0)
+ return -1;
+
+ /* Verify if enabled */
+ temp = 0;
+ if (i2c_read(CONFIG_TFP410_I2C_ADDR, 0x08, 1, &temp, sizeof(temp)) < 0)
+ return -1;
+
+ debug("DVI Encoder Read: 0x%02x\n", temp);
+
+ temp = 0x10;
+ if (i2c_write(CONFIG_TFP410_I2C_ADDR, 0x0A, 1, &temp, sizeof(temp)) < 0)
+ return -1;
+
+ /* Verify if enabled */
+ temp = 0;
+ if (i2c_read(CONFIG_TFP410_I2C_ADDR, 0x0A, 1, &temp, sizeof(temp)) < 0)
+ return -1;
+
+ debug("DVI Encoder Read: 0x%02x\n",temp);
+
+ return 0;
+}
+
+static void configure_pcie(struct fsl_pci_info *info,
+ struct pci_controller *hose,
+ const char *connected)
+{
+ static int bus_number = 0;
+ int is_endpoint;
+
+ set_next_law(info->mem_phys, law_size_bits(info->mem_size), info->law);
+ set_next_law(info->io_phys, law_size_bits(info->io_size), info->law);
+ is_endpoint = fsl_setup_hose(hose, info->regs);
+ printf(" PCIE%u connected to %s as %s (base addr %lx)\n",
+ info->pci_num, connected,
+ is_endpoint ? "Endpoint" : "Root Complex", info->regs);
+ bus_number = fsl_pci_init_port(info, hose, bus_number);
+}
+
+#ifdef CONFIG_PCIE1
+static struct pci_controller pcie1_hose;
+#endif
+
+#ifdef CONFIG_PCIE2
+static struct pci_controller pcie2_hose;
+#endif
+
+#ifdef CONFIG_PCIE3
+static struct pci_controller pcie3_hose;
+#endif
+
+#ifdef CONFIG_PCI
+void pci_init_board(void)
+{
+ ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
+ struct fsl_pci_info pci_info;
+ u32 devdisr = in_be32(&gur->devdisr);
+
+#ifdef CONFIG_PCIE1
+ if (is_serdes_configured(PCIE1) && !(devdisr & MPC85xx_DEVDISR_PCIE)) {
+ SET_STD_PCIE_INFO(pci_info, 1);
+ configure_pcie(&pci_info, &pcie1_hose, serdes_slot_name(PCIE1));
+ } else {
+ printf(" PCIE1: disabled\n");
+ }
+#else
+ setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE); /* disable */
+#endif
+
+#ifdef CONFIG_PCIE2
+ if (is_serdes_configured(PCIE2) && !(devdisr & MPC85xx_DEVDISR_PCIE2)) {
+ SET_STD_PCIE_INFO(pci_info, 2);
+ configure_pcie(&pci_info, &pcie2_hose, serdes_slot_name(PCIE2));
+ } else {
+ printf(" PCIE2: disabled\n");
+ }
+#else
+ setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE2); /* disable */
+#endif
+
+#ifdef CONFIG_PCIE3
+ if (is_serdes_configured(PCIE3) && !(devdisr & MPC85xx_DEVDISR_PCIE3)) {
+ SET_STD_PCIE_INFO(pci_info, 3);
+ configure_pcie(&pci_info, &pcie3_hose, serdes_slot_name(PCIE3));
+ } else {
+ printf(" PCIE3: disabled\n");
+ }
+#else
+ setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE3); /* disable */
+#endif
+}
+#endif
+
+int board_early_init_r(void)
+{
+ const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
+ const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);
+
+ /*
+ * Remap Boot flash + PROMJET region to caching-inhibited
+ * so that flash can be erased properly.
+ */
+
+ /* Flush d-cache and invalidate i-cache of any FLASH data */
+ flush_dcache();
+ invalidate_icache();
+
+ /* invalidate existing TLB entry for flash + promjet */
+ disable_tlb(flash_esel);
+
+ set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, flash_esel, BOOKE_PAGESZ_256M, 1);
+
+ return 0;
+}
+
+/*
+ * Initialize on-board and/or PCI Ethernet devices
+ *
+ * Returns:
+ * <0, error
+ * 0, no ethernet devices found
+ * >0, number of ethernet devices initialized
+ */
+int board_eth_init(bd_t *bis)
+{
+ struct tsec_info_struct tsec_info[2];
+ unsigned int num = 0;
+
+#ifdef CONFIG_TSEC1
+ SET_STD_TSEC_INFO(tsec_info[num], 1);
+ num++;
+#endif
+#ifdef CONFIG_TSEC2
+ SET_STD_TSEC_INFO(tsec_info[num], 2);
+ num++;
+#endif
+
+ return tsec_eth_init(bis, tsec_info, num) + pci_eth_init(bis);
+}
+
+#ifdef CONFIG_OF_BOARD_SETUP
+void ft_board_setup(void *blob, bd_t *bd)
+{
+ phys_addr_t base;
+ phys_size_t size;
+
+ ft_cpu_setup(blob, bd);
+
+ base = getenv_bootm_low();
+ size = getenv_bootm_size();
+
+ fdt_fixup_memory(blob, (u64)base, (u64)size);
+
+#ifdef CONFIG_PCIE1
+ ft_fsl_pci_setup(blob, "pci0", &pcie1_hose);
+#else
+ ft_fsl_pci_setup(blob, "pci0", NULL);
+#endif
+
+#ifdef CONFIG_PCIE2
+ ft_fsl_pci_setup(blob, "pci1", &pcie2_hose);
+#else
+ ft_fsl_pci_setup(blob, "pci1", NULL);
+#endif
+
+#ifdef CONFIG_PCIE3
+ ft_fsl_pci_setup(blob, "pci2", &pcie3_hose);
+#else
+ ft_fsl_pci_setup(blob, "pci2", NULL);
+#endif
+
+#ifdef CONFIG_FSL_SGMII_RISER
+ fsl_sgmii_riser_fdt_fixup(blob);
+#endif
+}
+#endif
+
+#ifdef CONFIG_MP
+void board_lmb_reserve(struct lmb *lmb)
+{
+ cpu_mp_lmb_reserve(lmb);
+}
+#endif
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