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u-boot-brain/board/freescale/mpc8360emds/mpc8360emds.c
Simon Glass e895a4b06f fdt: Allow ft_board_setup() to report failure 
This function can fail if the device tree runs out of space. Rather than
silently booting with an incomplete device tree, allow the failure to be
detected.

Unfortunately this involves changing a lot of places in the code. I have
not changed behvaiour to return an error where one is not currently
returned, to avoid unexpected breakage.

Eventually it would be nice to allow boards to register functions to be
called to update the device tree. This would avoid all the many functions
to do this. However it's not clear yet if this should be done using driver
model or with a linker list. This work is left for later.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
2014-11-21 04:43:15 +01:00

454 lines
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/*
* Copyright (C) 2006,2010-2011 Freescale Semiconductor, Inc.
* Dave Liu <daveliu@freescale.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <ioports.h>
#include <mpc83xx.h>
#include <i2c.h>
#include <miiphy.h>
#include <phy.h>
#include <fsl_mdio.h>
#if defined(CONFIG_PCI)
#include <pci.h>
#endif
#include <spd_sdram.h>
#include <asm/mmu.h>
#include <asm/io.h>
#include <asm/mmu.h>
#if defined(CONFIG_OF_LIBFDT)
#include <libfdt.h>
#endif
#include <hwconfig.h>
#include <fdt_support.h>
#if defined(CONFIG_PQ_MDS_PIB)
#include "../common/pq-mds-pib.h"
#endif
#include "../../../drivers/qe/uec.h"
const qe_iop_conf_t qe_iop_conf_tab[] = {
/* GETH1 */
{0, 3, 1, 0, 1}, /* TxD0 */
{0, 4, 1, 0, 1}, /* TxD1 */
{0, 5, 1, 0, 1}, /* TxD2 */
{0, 6, 1, 0, 1}, /* TxD3 */
{1, 6, 1, 0, 3}, /* TxD4 */
{1, 7, 1, 0, 1}, /* TxD5 */
{1, 9, 1, 0, 2}, /* TxD6 */
{1, 10, 1, 0, 2}, /* TxD7 */
{0, 9, 2, 0, 1}, /* RxD0 */
{0, 10, 2, 0, 1}, /* RxD1 */
{0, 11, 2, 0, 1}, /* RxD2 */
{0, 12, 2, 0, 1}, /* RxD3 */
{0, 13, 2, 0, 1}, /* RxD4 */
{1, 1, 2, 0, 2}, /* RxD5 */
{1, 0, 2, 0, 2}, /* RxD6 */
{1, 4, 2, 0, 2}, /* RxD7 */
{0, 7, 1, 0, 1}, /* TX_EN */
{0, 8, 1, 0, 1}, /* TX_ER */
{0, 15, 2, 0, 1}, /* RX_DV */
{0, 16, 2, 0, 1}, /* RX_ER */
{0, 0, 2, 0, 1}, /* RX_CLK */
{2, 9, 1, 0, 3}, /* GTX_CLK - CLK10 */
{2, 8, 2, 0, 1}, /* GTX125 - CLK9 */
/* GETH2 */
{0, 17, 1, 0, 1}, /* TxD0 */
{0, 18, 1, 0, 1}, /* TxD1 */
{0, 19, 1, 0, 1}, /* TxD2 */
{0, 20, 1, 0, 1}, /* TxD3 */
{1, 2, 1, 0, 1}, /* TxD4 */
{1, 3, 1, 0, 2}, /* TxD5 */
{1, 5, 1, 0, 3}, /* TxD6 */
{1, 8, 1, 0, 3}, /* TxD7 */
{0, 23, 2, 0, 1}, /* RxD0 */
{0, 24, 2, 0, 1}, /* RxD1 */
{0, 25, 2, 0, 1}, /* RxD2 */
{0, 26, 2, 0, 1}, /* RxD3 */
{0, 27, 2, 0, 1}, /* RxD4 */
{1, 12, 2, 0, 2}, /* RxD5 */
{1, 13, 2, 0, 3}, /* RxD6 */
{1, 11, 2, 0, 2}, /* RxD7 */
{0, 21, 1, 0, 1}, /* TX_EN */
{0, 22, 1, 0, 1}, /* TX_ER */
{0, 29, 2, 0, 1}, /* RX_DV */
{0, 30, 2, 0, 1}, /* RX_ER */
{0, 31, 2, 0, 1}, /* RX_CLK */
{2, 2, 1, 0, 2}, /* GTX_CLK = CLK10 */
{2, 3, 2, 0, 1}, /* GTX125 - CLK4 */
{0, 1, 3, 0, 2}, /* MDIO */
{0, 2, 1, 0, 1}, /* MDC */
{5, 0, 1, 0, 2}, /* UART2_SOUT */
{5, 1, 2, 0, 3}, /* UART2_CTS */
{5, 2, 1, 0, 1}, /* UART2_RTS */
{5, 3, 2, 0, 2}, /* UART2_SIN */
{0, 0, 0, 0, QE_IOP_TAB_END}, /* END of table */
};
/* Handle "mpc8360ea rev.2.1 erratum 2: RGMII Timing"? */
static int board_handle_erratum2(void)
{
const immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
return REVID_MAJOR(immr->sysconf.spridr) == 2 &&
REVID_MINOR(immr->sysconf.spridr) == 1;
}
int board_early_init_f(void)
{
const immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
u8 *bcsr = (u8 *)CONFIG_SYS_BCSR;
/* Enable flash write */
bcsr[0xa] &= ~0x04;
/* Disable G1TXCLK, G2TXCLK h/w buffers (rev.2.x h/w bug workaround) */
if (REVID_MAJOR(immr->sysconf.spridr) == 2)
bcsr[0xe] = 0x30;
/* Enable second UART */
bcsr[0x9] &= ~0x01;
if (board_handle_erratum2()) {
void *immap = (immap_t *)(CONFIG_SYS_IMMR + 0x14a8);
/*
* IMMR + 0x14A8[4:5] = 11 (clk delay for UCC 2)
* IMMR + 0x14A8[18:19] = 11 (clk delay for UCC 1)
*/
setbits_be32(immap, 0x0c003000);
/*
* IMMR + 0x14AC[20:27] = 10101010
* (data delay for both UCC's)
*/
clrsetbits_be32(immap + 4, 0xff0, 0xaa0);
}
return 0;
}
int board_early_init_r(void)
{
gd_t *gd;
#ifdef CONFIG_PQ_MDS_PIB
pib_init();
#endif
/*
* BAT6 is used for SDRAM when DDR size is 512MB or larger than 256MB
* So re-setup PCI MEM space used BAT5 after relocated to DDR
*/
gd = (gd_t *)(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
if (gd->ram_size > CONFIG_MAX_MEM_MAPPED) {
write_bat(DBAT5, CONFIG_SYS_DBAT6U, CONFIG_SYS_DBAT6L);
write_bat(IBAT5, CONFIG_SYS_IBAT6U, CONFIG_SYS_IBAT6L);
}
return 0;
}
#ifdef CONFIG_UEC_ETH
static uec_info_t uec_info[] = {
#ifdef CONFIG_UEC_ETH1
STD_UEC_INFO(1),
#endif
#ifdef CONFIG_UEC_ETH2
STD_UEC_INFO(2),
#endif
};
int board_eth_init(bd_t *bd)
{
if (board_handle_erratum2()) {
int i;
for (i = 0; i < ARRAY_SIZE(uec_info); i++) {
uec_info[i].enet_interface_type =
PHY_INTERFACE_MODE_RGMII_RXID;
uec_info[i].speed = SPEED_1000;
}
}
return uec_eth_init(bd, uec_info, ARRAY_SIZE(uec_info));
}
#endif /* CONFIG_UEC_ETH */
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
extern void ddr_enable_ecc(unsigned int dram_size);
#endif
int fixed_sdram(void);
static int sdram_init(unsigned int base);
phys_size_t initdram(int board_type)
{
volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
u32 msize = 0;
u32 lbc_sdram_size;
if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im)
return -1;
/* DDR SDRAM - Main SODIMM */
im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_BASE & LAWBAR_BAR;
#if defined(CONFIG_SPD_EEPROM)
msize = spd_sdram();
#else
msize = fixed_sdram();
#endif
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
/*
* Initialize DDR ECC byte
*/
ddr_enable_ecc(msize * 1024 * 1024);
#endif
/*
* Initialize SDRAM if it is on local bus.
*/
lbc_sdram_size = sdram_init(msize * 1024 * 1024);
if (!msize)
msize = lbc_sdram_size;
/* return total bus SDRAM size(bytes) -- DDR */
return (msize * 1024 * 1024);
}
#if !defined(CONFIG_SPD_EEPROM)
/*************************************************************************
* fixed sdram init -- doesn't use serial presence detect.
************************************************************************/
int fixed_sdram(void)
{
volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
u32 msize = CONFIG_SYS_DDR_SIZE;
u32 ddr_size = msize << 20;
u32 ddr_size_log2 = __ilog2(ddr_size);
u32 half_ddr_size = ddr_size >> 1;
im->sysconf.ddrlaw[0].bar =
CONFIG_SYS_DDR_SDRAM_BASE & 0xfffff000;
im->sysconf.ddrlaw[0].ar =
LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE);
#if (CONFIG_SYS_DDR_SIZE != 256)
#warning Currenly any ddr size other than 256 is not supported
#endif
#ifdef CONFIG_DDR_II
im->ddr.csbnds[0].csbnds = CONFIG_SYS_DDR_CS0_BNDS;
im->ddr.cs_config[0] = CONFIG_SYS_DDR_CS0_CONFIG;
im->ddr.timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
im->ddr.timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
im->ddr.timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
im->ddr.timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
im->ddr.sdram_cfg = CONFIG_SYS_DDR_SDRAM_CFG;
im->ddr.sdram_cfg2 = CONFIG_SYS_DDR_SDRAM_CFG2;
im->ddr.sdram_mode = CONFIG_SYS_DDR_MODE;
im->ddr.sdram_mode2 = CONFIG_SYS_DDR_MODE2;
im->ddr.sdram_interval = CONFIG_SYS_DDR_INTERVAL;
im->ddr.sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CNTL;
#else
#if ((CONFIG_SYS_DDR_SDRAM_BASE & 0x00FFFFFF) != 0)
#warning Chip select bounds is only configurable in 16MB increments
#endif
im->ddr.csbnds[0].csbnds =
((CONFIG_SYS_DDR_SDRAM_BASE >> CSBNDS_SA_SHIFT) & CSBNDS_SA) |
(((CONFIG_SYS_DDR_SDRAM_BASE + half_ddr_size - 1) >>
CSBNDS_EA_SHIFT) & CSBNDS_EA);
im->ddr.csbnds[1].csbnds =
(((CONFIG_SYS_DDR_SDRAM_BASE + half_ddr_size) >>
CSBNDS_SA_SHIFT) & CSBNDS_SA) |
(((CONFIG_SYS_DDR_SDRAM_BASE + ddr_size - 1) >>
CSBNDS_EA_SHIFT) & CSBNDS_EA);
im->ddr.cs_config[0] = CONFIG_SYS_DDR_CS0_CONFIG;
im->ddr.cs_config[1] = CONFIG_SYS_DDR_CS1_CONFIG;
im->ddr.cs_config[2] = 0;
im->ddr.cs_config[3] = 0;
im->ddr.timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
im->ddr.timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
im->ddr.sdram_cfg = CONFIG_SYS_DDR_CONTROL;
im->ddr.sdram_mode = CONFIG_SYS_DDR_MODE;
im->ddr.sdram_interval = CONFIG_SYS_DDR_INTERVAL;
#endif
udelay(200);
im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;
return msize;
}
#endif /*!CONFIG_SYS_SPD_EEPROM */
int checkboard(void)
{
puts("Board: Freescale MPC8360EMDS\n");
return 0;
}
/*
* if MPC8360EMDS is soldered with SDRAM
*/
#ifdef CONFIG_SYS_LB_SDRAM
/*
* Initialize SDRAM memory on the Local Bus.
*/
static int sdram_init(unsigned int base)
{
volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
fsl_lbc_t *lbc = LBC_BASE_ADDR;
const int sdram_size = CONFIG_SYS_LBC_SDRAM_SIZE * 1024 * 1024;
int rem = base % sdram_size;
uint *sdram_addr;
/* window base address should be aligned to the window size */
if (rem)
base = base - rem + sdram_size;
/*
* Setup BAT6 for SDRAM when DDR size is 512MB or larger than 256MB
* After relocated to DDR, reuse BAT5 for PCI MEM space
*/
if (base > CONFIG_MAX_MEM_MAPPED) {
unsigned long batl = base | BATL_PP_10 | BATL_MEMCOHERENCE;
unsigned long batu = base | BATU_BL_64M | BATU_VS | BATU_VP;
/* Setup the BAT6 for SDRAM */
write_bat(DBAT6, batu, batl);
write_bat(IBAT6, batu, batl);
}
sdram_addr = (uint *)base;
/*
* Setup SDRAM Base and Option Registers
*/
set_lbc_br(2, base | CONFIG_SYS_BR2);
set_lbc_or(2, CONFIG_SYS_OR2);
immap->sysconf.lblaw[2].bar = base;
immap->sysconf.lblaw[2].ar = CONFIG_SYS_LBLAWAR2;
/*setup mtrpt, lsrt and lbcr for LB bus */
lbc->lbcr = CONFIG_SYS_LBC_LBCR;
lbc->mrtpr = CONFIG_SYS_LBC_MRTPR;
lbc->lsrt = CONFIG_SYS_LBC_LSRT;
asm("sync");
/*
* Configure the SDRAM controller Machine Mode Register.
*/
lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_5; /* Normal Operation */
lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_1; /* Precharge All Banks */
asm("sync");
*sdram_addr = 0xff;
udelay(100);
/*
* We need do 8 times auto refresh operation.
*/
lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_2;
asm("sync");
*sdram_addr = 0xff; /* 1 times */
udelay(100);
*sdram_addr = 0xff; /* 2 times */
udelay(100);
*sdram_addr = 0xff; /* 3 times */
udelay(100);
*sdram_addr = 0xff; /* 4 times */
udelay(100);
*sdram_addr = 0xff; /* 5 times */
udelay(100);
*sdram_addr = 0xff; /* 6 times */
udelay(100);
*sdram_addr = 0xff; /* 7 times */
udelay(100);
*sdram_addr = 0xff; /* 8 times */
udelay(100);
/* Mode register write operation */
lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_4;
asm("sync");
*(sdram_addr + 0xcc) = 0xff;
udelay(100);
/* Normal operation */
lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_5 | 0x40000000;
asm("sync");
*sdram_addr = 0xff;
udelay(100);
/*
* In non-aligned case we don't [normally] use that memory because
* there is a hole.
*/
if (rem)
return 0;
return CONFIG_SYS_LBC_SDRAM_SIZE;
}
#else
static int sdram_init(unsigned int base) { return 0; }
#endif
#if defined(CONFIG_OF_BOARD_SETUP)
static void ft_board_fixup_qe_usb(void *blob, bd_t *bd)
{
if (!hwconfig_subarg_cmp("qe_usb", "mode", "peripheral"))
return;
do_fixup_by_compat(blob, "fsl,mpc8323-qe-usb", "mode",
"peripheral", sizeof("peripheral"), 1);
}
int ft_board_setup(void *blob, bd_t *bd)
{
ft_cpu_setup(blob, bd);
#ifdef CONFIG_PCI
ft_pci_setup(blob, bd);
#endif
ft_board_fixup_qe_usb(blob, bd);
/*
* mpc8360ea pb mds errata 2: RGMII timing
* if on mpc8360ea rev. 2.1,
* change both ucc phy-connection-types from rgmii-id to rgmii-rxid
*/
if (board_handle_erratum2()) {
int nodeoffset;
const char *prop;
int path;
nodeoffset = fdt_path_offset(blob, "/aliases");
if (nodeoffset >= 0) {
#if defined(CONFIG_HAS_ETH0)
/* fixup UCC 1 if using rgmii-id mode */
prop = fdt_getprop(blob, nodeoffset, "ethernet0", NULL);
if (prop) {
path = fdt_path_offset(blob, prop);
prop = fdt_getprop(blob, path,
"phy-connection-type", 0);
if (prop && (strcmp(prop, "rgmii-id") == 0))
fdt_fixup_phy_connection(blob, path,
PHY_INTERFACE_MODE_RGMII_RXID);
}
#endif
#if defined(CONFIG_HAS_ETH1)
/* fixup UCC 2 if using rgmii-id mode */
prop = fdt_getprop(blob, nodeoffset, "ethernet1", NULL);
if (prop) {
path = fdt_path_offset(blob, prop);
prop = fdt_getprop(blob, path,
"phy-connection-type", 0);
if (prop && (strcmp(prop, "rgmii-id") == 0))
fdt_fixup_phy_connection(blob, path,
PHY_INTERFACE_MODE_RGMII_RXID);
}
#endif
}
}
return 0;
}
#endif
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