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MIPS: BCM63xx: Remove BCM6345 hacks to read base boot address 

Though BCM6345 does not technically have the same MPI register layout
than the other SoCs, reading the chip-select registers is done the same
way, and particularly for chip-select 0, which is the boot flash.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3009/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
hifive-unleashed-5.1
Florian Fainelli 2011-11-16 19:11:12 +01:00 committed by Ralf Baechle
parent d61fcfe2bb
commit e1c96c8620
2 changed files with 7 additions and 16 deletions
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21
arch/mips/bcm63xx/boards/board_bcm963xx.c
View File

@ -709,15 +709,9 @@ void __init board_prom_init(void)
char cfe_version[32];
u32 val;
/* read base address of boot chip select (0)
* 6345 does not have MPI but boots from standard
* MIPS Flash address */
if (BCMCPU_IS_6345())
val = 0x1fc00000;
else {
val = bcm_mpi_readl(MPI_CSBASE_REG(0));
val &= MPI_CSBASE_BASE_MASK;
}
/* read base address of boot chip select (0) */
val = bcm_mpi_readl(MPI_CSBASE_REG(0));
val &= MPI_CSBASE_BASE_MASK;
boot_addr = (u8 *)KSEG1ADDR(val);
/* dump cfe version */
@ -893,12 +887,9 @@ int __init board_register_devices(void)
bcm63xx_dsp_register(&board.dsp);
/* read base address of boot chip select (0) */
if (BCMCPU_IS_6345())
val = 0x1fc00000;
else {
val = bcm_mpi_readl(MPI_CSBASE_REG(0));
val &= MPI_CSBASE_BASE_MASK;
}
val = bcm_mpi_readl(MPI_CSBASE_REG(0));
val &= MPI_CSBASE_BASE_MASK;
mtd_resources[0].start = val;
mtd_resources[0].end = 0x1FFFFFFF;

2
arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
View File

@ -215,7 +215,7 @@ enum bcm63xx_regs_set {
#define BCM_6345_ENETDMAS_BASE (0xfffe2a00)
#define BCM_6345_ENETSW_BASE (0xdeadbeef)
#define BCM_6345_PCMCIA_BASE (0xfffe2028)
#define BCM_6345_MPI_BASE (0xdeadbeef)
#define BCM_6345_MPI_BASE (0xfffe2000)
#define BCM_6345_OHCI0_BASE (0xfffe2100)
#define BCM_6345_OHCI_PRIV_BASE (0xfffe2200)
#define BCM_6345_USBH_PRIV_BASE (0xdeadbeef)