diff options
Diffstat (limited to 'board/freescale/mpc8540ads/mpc8540ads.c')
| -rw-r--r-- | board/freescale/mpc8540ads/mpc8540ads.c | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/board/freescale/mpc8540ads/mpc8540ads.c b/board/freescale/mpc8540ads/mpc8540ads.c deleted file mode 100644 index 1069e2c..0000000 --- a/board/freescale/mpc8540ads/mpc8540ads.c +++ /dev/null @@ -1,242 +0,0 @@ -/* - * Copyright 2004 Freescale Semiconductor. - * (C) Copyright 2002,2003, Motorola Inc. - * Xianghua Xiao, (X.Xiao@motorola.com) - * - * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - - -#include <common.h> -#include <pci.h> -#include <asm/processor.h> -#include <asm/mmu.h> -#include <asm/immap_85xx.h> -#include <fsl_ddr_sdram.h> -#include <libfdt.h> -#include <fdt_support.h> - -#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) -extern void ddr_enable_ecc(unsigned int dram_size); -#endif - -void local_bus_init(void); - -int checkboard (void) -{ - puts("Board: ADS\n"); - -#ifdef CONFIG_PCI - printf("PCI1: 32 bit, %d MHz (compiled)\n", - CONFIG_SYS_CLK_FREQ / 1000000); -#else - printf("PCI1: disabled\n"); -#endif - - /* - * Initialize local bus. - */ - local_bus_init(); - - return 0; -} - -/* - * Initialize Local Bus - */ - -void -local_bus_init(void) -{ - volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); - volatile fsl_lbc_t *lbc = LBC_BASE_ADDR; - - uint clkdiv; - uint lbc_hz; - sys_info_t sysinfo; - - /* - * Errata LBC11. - * Fix Local Bus clock glitch when DLL is enabled. - * - * If localbus freq is < 66MHz, DLL bypass mode must be used. - * If localbus freq is > 133MHz, DLL can be safely enabled. - * Between 66 and 133, the DLL is enabled with an override workaround. - */ - - get_sys_info(&sysinfo); - clkdiv = lbc->lcrr & LCRR_CLKDIV; - lbc_hz = sysinfo.freq_systembus / 1000000 / clkdiv; - - if (lbc_hz < 66) { - lbc->lcrr = CONFIG_SYS_LBC_LCRR | LCRR_DBYP; /* DLL Bypass */ - - } else if (lbc_hz >= 133) { - lbc->lcrr = CONFIG_SYS_LBC_LCRR & (~LCRR_DBYP); /* DLL Enabled */ - - } else { - /* - * On REV1 boards, need to change CLKDIV before enable DLL. - * Default CLKDIV is 8, change it to 4 temporarily. - */ - uint pvr = get_pvr(); - uint temp_lbcdll = 0; - - if (pvr == PVR_85xx_REV1) { - /* FIXME: Justify the high bit here. */ - lbc->lcrr = 0x10000004; - } - - lbc->lcrr = CONFIG_SYS_LBC_LCRR & (~LCRR_DBYP); /* DLL Enabled */ - udelay(200); - - /* - * Sample LBC DLL ctrl reg, upshift it to set the - * override bits. - */ - temp_lbcdll = gur->lbcdllcr; - gur->lbcdllcr = (((temp_lbcdll & 0xff) << 16) | 0x80000000); - asm("sync;isync;msync"); - } -} - - -/* - * Initialize SDRAM memory on the Local Bus. - */ -void lbc_sdram_init(void) -{ - volatile fsl_lbc_t *lbc = LBC_BASE_ADDR; - uint *sdram_addr = (uint *)CONFIG_SYS_LBC_SDRAM_BASE; - - puts("LBC SDRAM: "); - print_size(CONFIG_SYS_LBC_SDRAM_SIZE * 1024 * 1024, - "\n "); - - /* - * Setup SDRAM Base and Option Registers - */ - set_lbc_or(2, CONFIG_SYS_OR2_PRELIM); - set_lbc_br(2, CONFIG_SYS_BR2_PRELIM); - lbc->lbcr = CONFIG_SYS_LBC_LBCR; - asm("msync"); - - lbc->lsrt = CONFIG_SYS_LBC_LSRT; - lbc->mrtpr = CONFIG_SYS_LBC_MRTPR; - asm("sync"); - - /* - * Configure the SDRAM controller. - */ - lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_1; - asm("sync"); - *sdram_addr = 0xff; - ppcDcbf((unsigned long) sdram_addr); - udelay(100); - - lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_2; - asm("sync"); - *sdram_addr = 0xff; - ppcDcbf((unsigned long) sdram_addr); - udelay(100); - - lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_3; - asm("sync"); - *sdram_addr = 0xff; - ppcDcbf((unsigned long) sdram_addr); - udelay(100); - - lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_4; - asm("sync"); - *sdram_addr = 0xff; - ppcDcbf((unsigned long) sdram_addr); - udelay(100); - - lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_5; - asm("sync"); - *sdram_addr = 0xff; - ppcDcbf((unsigned long) sdram_addr); - udelay(100); -} - -#if !defined(CONFIG_SPD_EEPROM) -/************************************************************************* - * fixed sdram init -- doesn't use serial presence detect. - ************************************************************************/ -phys_size_t fixed_sdram(void) -{ - #ifndef CONFIG_SYS_RAMBOOT - struct ccsr_ddr __iomem *ddr = - (struct ccsr_ddr __iomem *)(CONFIG_SYS_FSL_DDR_ADDR); - - ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS; - ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG; - ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1; - ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2; - ddr->sdram_mode = CONFIG_SYS_DDR_MODE; - ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL; - #if defined (CONFIG_DDR_ECC) - ddr->err_disable = 0x0000000D; - ddr->err_sbe = 0x00ff0000; - #endif - asm("sync;isync;msync"); - udelay(500); - #if defined (CONFIG_DDR_ECC) - /* Enable ECC checking */ - ddr->sdram_cfg = (CONFIG_SYS_DDR_CONTROL | 0x20000000); - #else - ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL; - #endif - asm("sync; isync; msync"); - udelay(500); - #endif - return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024; -} -#endif /* !defined(CONFIG_SPD_EEPROM) */ - - -#if defined(CONFIG_PCI) -/* - * Initialize PCI Devices, report devices found. - */ - - -static struct pci_controller hose; - -#endif /* CONFIG_PCI */ - - -void -pci_init_board(void) -{ -#ifdef CONFIG_PCI - pci_mpc85xx_init(&hose); -#endif /* CONFIG_PCI */ -} - - -#if defined(CONFIG_OF_BOARD_SETUP) -int ft_board_setup(void *blob, bd_t *bd) -{ - int node, tmp[2]; - const char *path; - - ft_cpu_setup(blob, bd); - - node = fdt_path_offset(blob, "/aliases"); - tmp[0] = 0; - if (node >= 0) { -#ifdef CONFIG_PCI - path = fdt_getprop(blob, node, "pci0", NULL); - if (path) { - tmp[1] = hose.last_busno - hose.first_busno; - do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1); - } -#endif - } - - return 0; -} -#endif |