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author | Timur Tabi <timur@freescale.com> | 2010-06-14 15:28:24 -0500 |
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committer | Kumar Gala <galak@kernel.crashing.org> | 2010-07-16 10:55:10 -0500 |
commit | c59e1b4d078d5301aaeeec13b3e292d5bed05daf (patch) | |
tree | b4eb59fc962161d9367857d62078adaec446b9f5 /board/freescale/p1022ds/p1022ds.c | |
parent | ddac6f08db3d539d05fad5400ed3dc815b1a196b (diff) | |
download | u-boot-imx-c59e1b4d078d5301aaeeec13b3e292d5bed05daf.zip u-boot-imx-c59e1b4d078d5301aaeeec13b3e292d5bed05daf.tar.gz u-boot-imx-c59e1b4d078d5301aaeeec13b3e292d5bed05daf.tar.bz2 |
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.c | 285 |
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 index 0000000..970a0d5 --- /dev/null +++ b/board/freescale/p1022ds/p1022ds.c @@ -0,0 +1,285 @@ +/* + * 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 |