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Merge branch 'master' of git://git.denx.de/u-boot-ppc4xx

This commit is contained in:
Wolfgang Denk 2010-09-23 21:16:32 +02:00
parent 2675244fa4 8a805df136
commit d03161b455
8 changed files with 140 additions and 104 deletions
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12
arch/powerpc/cpu/ppc4xx/fdt.c
View File

@ -59,15 +59,15 @@ void __ft_board_setup(void *blob, bd_t *bd)
*p++ = 0;
*p++ = bxcr & EBC_BXCR_BAS_MASK;
*p++ = EBC_BXCR_BANK_SIZE(bxcr);
#ifdef CONFIG_FDT_FIXUP_NOR_FLASH_SIZE
/* Try to update reg property in nor flash node too */
fdt_fixup_nor_flash_size(blob, i,
EBC_BXCR_BANK_SIZE(bxcr));
#endif
}
}
#ifdef CONFIG_FDT_FIXUP_NOR_FLASH_SIZE
/* Update reg property in all nor flash nodes too */
fdt_fixup_nor_flash_size(blob);
#endif
/* Some 405 PPC's have EBC as direct PLB child in the dts */
if (fdt_path_offset(blob, ebc_path) < 0)
strcpy(ebc_path, "/plb/ebc");

31
board/amcc/ebony/flash.c
View File

@ -34,6 +34,7 @@
#include <common.h>
#include <ppc4xx.h>
#include <asm/processor.h>
#include <asm/io.h>
#undef DEBUG
#ifdef DEBUG
@ -71,6 +72,36 @@ static unsigned long flash_addr_table[8][CONFIG_SYS_MAX_FLASH_BANKS] = {
*/
static ulong flash_get_size(vu_long * addr, flash_info_t * info);
/*
* Override the weak default mapping function with a board specific one
*/
u32 flash_get_bank_size(int cs, int idx)
{
u8 reg = in_8((void *)CONFIG_SYS_FPGA_BASE);
if ((reg & BOOT_SMALL_FLASH) && !(reg & FLASH_ONBD_N)) {
/*
* cs0: small flash (512KiB)
* cs2: 2 * big flash (2 * 2MiB)
*/
if (cs == 0)
return flash_info[2].size;
if (cs == 2)
return flash_info[0].size + flash_info[1].size;
} else {
/*
* cs0: 2 * big flash (2 * 2MiB)
* cs2: small flash (512KiB)
*/
if (cs == 0)
return flash_info[0].size + flash_info[1].size;
if (cs == 2)
return flash_info[2].size;
}
return 0;
}
unsigned long flash_init(void)
{
unsigned long total_b = 0;

53
common/fdt_support.c
View File

@ -590,12 +590,31 @@ int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose) {
#endif
#ifdef CONFIG_FDT_FIXUP_NOR_FLASH_SIZE
/*
* Provide a weak default function to return the flash bank size.
* There might be multiple non-identical flash chips connected to one
* chip-select, so we need to pass an index as well.
*/
u32 __flash_get_bank_size(int cs, int idx)
{
extern flash_info_t flash_info[];
/*
* As default, a simple 1:1 mapping is provided. Boards with
* a different mapping need to supply a board specific mapping
* routine.
*/
return flash_info[cs].size;
}
u32 flash_get_bank_size(int cs, int idx)
__attribute__((weak, alias("__flash_get_bank_size")));
/*
* This function can be used to update the size in the "reg" property
* of the NOR FLASH device nodes. This is necessary for boards with
* of all NOR FLASH device nodes. This is necessary for boards with
* non-fixed NOR FLASH sizes.
*/
int fdt_fixup_nor_flash_size(void *blob, int cs, u32 size)
int fdt_fixup_nor_flash_size(void *blob)
{
char compat[][16] = { "cfi-flash", "jedec-flash" };
int off;
@ -607,19 +626,31 @@ int fdt_fixup_nor_flash_size(void *blob, int cs, u32 size)
for (i = 0; i < 2; i++) {
off = fdt_node_offset_by_compatible(blob, -1, compat[i]);
while (off != -FDT_ERR_NOTFOUND) {
int idx;
/*
* Found one compatible node, now check if this one
* has the correct CS
* Found one compatible node, so fixup the size
* int its reg properties
*/
prop = fdt_get_property_w(blob, off, "reg", &len);
if (prop) {
reg = (u32 *)&prop->data[0];
if (reg[0] == cs) {
reg[2] = size;
fdt_setprop(blob, off, "reg", reg,
3 * sizeof(u32));
int tuple_size = 3 * sizeof(reg);
return 0;
/*
* There might be multiple reg-tuples,
* so loop through them all
*/
len /= tuple_size;
reg = (u32 *)&prop->data[0];
for (idx = 0; idx < len; idx++) {
/*
* Update size in reg property
*/
reg[2] = flash_get_bank_size(reg[0],
idx);
fdt_setprop(blob, off, "reg", reg,
tuple_size);
reg += tuple_size;
}
}
@ -629,7 +660,7 @@ int fdt_fixup_nor_flash_size(void *blob, int cs, u32 size)
}
}
return -1;
return 0;
}
#endif

23
include/configs/CATcenter.h
View File

@ -105,6 +105,7 @@
#define CONFIG_SYS_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
#define CONFIG_PPC4xx_EMAC
#undef CONFIG_EXT_PHY
#define CONFIG_NET_MULTI 1
@ -398,6 +399,7 @@
* I2C EEPROM (CAT24WC16) for environment
*/
#define CONFIG_HARD_I2C /* I2c with hardware support */
#define CONFIG_PPC4XX_I2C /* use PPC4xx driver */
#define CONFIG_SYS_I2C_SPEED 400000 /* I2C speed and slave address */
#define CONFIG_SYS_I2C_SLAVE 0x7F
@ -410,16 +412,6 @@
/* last 4 bits of the address */
#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
/*-----------------------------------------------------------------------
* Cache Configuration
*/
#define CONFIG_SYS_DCACHE_SIZE 16384 /* For AMCC 405 CPUs, older 405 ppc's */
/* have only 8kB, 16kB is save here */
#define CONFIG_SYS_CACHELINE_SIZE 32 /* ... */
#if defined(CONFIG_CMD_KGDB)
#define CONFIG_SYS_CACHELINE_SHIFT 5 /* log base 2 of the above value */
#endif
/*
* Init Memory Controller:
*
@ -570,17 +562,6 @@
#define DIMM_READ_ADDR 0xAB
#define DIMM_WRITE_ADDR 0xAA
#define CPC0_PLLMR0 (CNTRL_DCR_BASE+0x0) /* PLL mode 0 register */
#define CPC0_BOOT (CNTRL_DCR_BASE+0x1) /* Chip Clock Status register */
#define CPC0_CR1 (CNTRL_DCR_BASE+0x2) /* Chip Control 1 register */
#define CPC0_EPRCSR (CNTRL_DCR_BASE+0x3) /* EMAC PHY Rcv Clk Src register */
#define CPC0_PLLMR1 (CNTRL_DCR_BASE+0x4) /* PLL mode 1 register */
#define CPC0_UCR (CNTRL_DCR_BASE+0x5) /* UART Control register */
#define CPC0_SRR (CNTRL_DCR_BASE+0x6) /* Soft Reset register */
#define CPC0_JTAGID (CNTRL_DCR_BASE+0x7) /* JTAG ID register */
#define CPC0_SPARE (CNTRL_DCR_BASE+0x8) /* Spare DCR */
#define CPC0_PCI (CNTRL_DCR_BASE+0x9) /* PCI Control register */
/* Defines for CPC0_PLLMR1 Register fields */
#define PLL_ACTIVE 0x80000000
#define CPC0_PLLMR1_SSCS 0x80000000

8
include/configs/acadia.h
View File

@ -120,7 +120,13 @@
#define CONFIG_SYS_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
#else
#define CONFIG_SYS_NO_FLASH 1 /* No NOR on Acadia when NAND-booting */
/*
* No NOR-flash on Acadia when NAND-booting. We need to undef the
* NOR device-tree fixup code as well, since flash_info is not defined
* in this case.
*/
#define CONFIG_SYS_NO_FLASH 1
#undef CONFIG_FDT_FIXUP_NOR_FLASH_SIZE
#endif
#ifdef CONFIG_ENV_IS_IN_FLASH

2
include/fdt_support.h
View File

@ -79,7 +79,7 @@ void ft_pci_setup(void *blob, bd_t *bd);
void set_working_fdt_addr(void *addr);
int fdt_resize(void *blob);
int fdt_fixup_nor_flash_size(void *blob, int cs, u32 size);
int fdt_fixup_nor_flash_size(void *blob);
void fdt_fixup_mtdparts(void *fdt, void *node_info, int node_info_size);
void fdt_del_node_and_alias(void *blob, const char *alias);

10
include/ppc4xx.h
View File

@ -99,6 +99,16 @@
#endif /* 440EP/EPX 440GR/GRX 440SP/SPE 460EX/GT/SX 405EX*/
/*
* Define ns16550 register offset for all PPC4xx SoC's. Some
* mostly FPGA based PPC4xx implementations use a different
* offset. So let's give them a chance to define their offset
* in the board config header.
*/
#if !defined(CONFIG_SYS_NS16550_REG_SIZE)
#define CONFIG_SYS_NS16550_REG_SIZE 1
#endif
#if defined(CONFIG_440)
#include <ppc440.h>
#else

105
post/cpu/ppc4xx/uart.c
View File

@ -4,6 +4,8 @@
*
* Author: Igor Lisitsin <igor@emcraft.com>
*
* Copyright 2010, Stefan Roese, DENX Software Engineering, sr@denx.de
*
* See file CREDITS for list of people who contributed to this
* project.
*
@ -24,6 +26,9 @@
*/
#include <common.h>
#include <ppc4xx.h>
#include <ns16550.h>
#include <asm/io.h>
/*
* UART test
@ -119,33 +124,24 @@
#define UDIV_MAX 32
#endif
#define UART_RBR 0x00
#define UART_THR 0x00
#define UART_IER 0x01
#define UART_IIR 0x02
#define UART_FCR 0x02
#define UART_LCR 0x03
#define UART_MCR 0x04
#define UART_LSR 0x05
#define UART_MSR 0x06
#define UART_SCR 0x07
#define UART_DLL 0x00
#define UART_DLM 0x01
/*
* Line Status Register.
*/
#define asyncLSRDataReady1 0x01
#define asyncLSROverrunError1 0x02
#define asyncLSRParityError1 0x04
#define asyncLSRFramingError1 0x08
#define asyncLSRBreakInterrupt1 0x10
#define asyncLSRTxHoldEmpty1 0x20
#define asyncLSRTxShiftEmpty1 0x40
#define asyncLSRRxFifoError1 0x80
DECLARE_GLOBAL_DATA_PTR;
static void uart_post_init_common(struct NS16550 *com_port, unsigned short bdiv)
{
volatile char val;
out_8(&com_port->lcr, 0x80); /* set DLAB bit */
out_8(&com_port->dll, bdiv); /* set baudrate divisor */
out_8(&com_port->dlm, bdiv >> 8); /* set baudrate divisor */
out_8(&com_port->lcr, 0x03); /* clear DLAB; set 8 bits, no parity */
out_8(&com_port->fcr, 0x00); /* disable FIFO */
out_8(&com_port->mcr, 0x10); /* enable loopback mode */
val = in_8(&com_port->lsr); /* clear line status */
val = in_8(&com_port->rbr); /* read receive buffer */
out_8(&com_port->scr, 0x00); /* set scratchpad */
out_8(&com_port->ier, 0x00); /* set interrupt enable reg */
}
#if defined(CONFIG_440) || defined(CONFIG_405EX)
#if !defined(CONFIG_SYS_EXT_SERIAL_CLOCK)
static void serial_divs (int baudrate, unsigned long *pudiv,
@ -190,19 +186,18 @@ static void serial_divs (int baudrate, unsigned long *pudiv,
}
#endif
static int uart_post_init (unsigned long dev_base)
static int uart_post_init (struct NS16550 *com_port)
{
unsigned long reg = 0;
unsigned long udiv;
unsigned short bdiv;
volatile char val;
#ifdef CONFIG_SYS_EXT_SERIAL_CLOCK
unsigned long tmp;
#endif
int i;
for (i = 0; i < 3500; i++) {
if (in8 (dev_base + UART_LSR) & asyncLSRTxHoldEmpty1)
if (in_8(&com_port->lsr) & UART_LSR_THRE)
break;
udelay (100);
}
@ -239,34 +234,24 @@ static int uart_post_init (unsigned long dev_base)
MTREG(UART3_SDR, reg);
#endif
out8(dev_base + UART_LCR, 0x80); /* set DLAB bit */
out8(dev_base + UART_DLL, bdiv); /* set baudrate divisor */
out8(dev_base + UART_DLM, bdiv >> 8); /* set baudrate divisor */
out8(dev_base + UART_LCR, 0x03); /* clear DLAB; set 8 bits, no parity */
out8(dev_base + UART_FCR, 0x00); /* disable FIFO */
out8(dev_base + UART_MCR, 0x10); /* enable loopback mode */
val = in8(dev_base + UART_LSR); /* clear line status */
val = in8(dev_base + UART_RBR); /* read receive buffer */
out8(dev_base + UART_SCR, 0x00); /* set scratchpad */
out8(dev_base + UART_IER, 0x00); /* set interrupt enable reg */
uart_post_init_common(com_port, bdiv);
return 0;
}
#else /* CONFIG_440 */
static int uart_post_init (unsigned long dev_base)
static int uart_post_init (struct NS16550 *com_port)
{
unsigned long reg;
unsigned long tmp;
unsigned long clk;
unsigned long udiv;
unsigned short bdiv;
volatile char val;
int i;
for (i = 0; i < 3500; i++) {
if (in8 (dev_base + UART_LSR) & asyncLSRTxHoldEmpty1)
if (in_8(&com_port->lsr) & UART_LSR_THRE)
break;
udelay (100);
}
@ -309,59 +294,51 @@ static int uart_post_init (unsigned long dev_base)
bdiv = (clk + tmp / 2) / tmp;
#endif /* CONFIG_405EZ */
out8(dev_base + UART_LCR, 0x80); /* set DLAB bit */
out8(dev_base + UART_DLL, bdiv); /* set baudrate divisor */
out8(dev_base + UART_DLM, bdiv >> 8); /* set baudrate divisor */
out8(dev_base + UART_LCR, 0x03); /* clear DLAB; set 8 bits, no parity */
out8(dev_base + UART_FCR, 0x00); /* disable FIFO */
out8(dev_base + UART_MCR, 0x10); /* enable loopback mode */
val = in8(dev_base + UART_LSR); /* clear line status */
val = in8(dev_base + UART_RBR); /* read receive buffer */
out8(dev_base + UART_SCR, 0x00); /* set scratchpad */
out8(dev_base + UART_IER, 0x00); /* set interrupt enable reg */
uart_post_init_common(com_port, bdiv);
return (0);
return 0;
}
#endif /* CONFIG_440 */
static void uart_post_putc (unsigned long dev_base, char c)
static void uart_post_putc (struct NS16550 *com_port, char c)
{
int i;
out8 (dev_base + UART_THR, c); /* put character out */
out_8(&com_port->thr, c); /* put character out */
/* Wait for transfer completion */
for (i = 0; i < 3500; i++) {
if (in8 (dev_base + UART_LSR) & asyncLSRTxHoldEmpty1)
if (in_8(&com_port->lsr) & UART_LSR_THRE)
break;
udelay (100);
}
}
static int uart_post_getc (unsigned long dev_base)
static int uart_post_getc (struct NS16550 *com_port)
{
int i;
/* Wait for character available */
for (i = 0; i < 3500; i++) {
if (in8 (dev_base + UART_LSR) & asyncLSRDataReady1)
if (in_8(&com_port->lsr) & UART_LSR_DR)
break;
udelay (100);
}
return 0xff & in8 (dev_base + UART_RBR);
return 0xff & in_8(&com_port->rbr);
}
static int test_ctlr (unsigned long dev_base, int index)
static int test_ctlr (struct NS16550 *com_port, int index)
{
int res = -1;
char test_str[] = "*** UART Test String ***\r\n";
int i;
uart_post_init (dev_base);
uart_post_init (com_port);
for (i = 0; i < sizeof (test_str) - 1; i++) {
uart_post_putc (dev_base, test_str[i]);
if (uart_post_getc (dev_base) != test_str[i])
uart_post_putc (com_port, test_str[i]);
if (uart_post_getc (com_port) != test_str[i])
goto done;
}
res = 0;
@ -377,8 +354,8 @@ int uart_post_test (int flags)
int i, res = 0;
static unsigned long base[] = CONFIG_SYS_POST_UART_TABLE;
for (i = 0; i < sizeof (base) / sizeof (base[0]); i++) {
if (test_ctlr (base[i], i))
for (i = 0; i < ARRAY_SIZE(base); i++) {
if (test_ctlr((struct NS16550 *)base[i], i))
res = -1;
}
serial_reinit_all ();