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mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2024-12-31 01:16:46 +02:00
openwrt-xburst/target/linux/brcm63xx/patches-3.0/001-6345_cpu.patch
florian e386996557 [brcm63xx] improve BCM6345 support
- runtime detect the amount of memory available
- define EBI_BASE as MPI_BASE to get rid of chip-select specific hacks
- fix GPIO control

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27880 3c298f89-4303-0410-b956-a3cf2f4a3e73
2011-08-02 18:55:46 +00:00

123 lines
3.6 KiB
Diff

--- a/arch/mips/bcm63xx/cpu.c
+++ b/arch/mips/bcm63xx/cpu.c
@@ -260,8 +260,10 @@ static unsigned int detect_memory_size(v
unsigned int cols = 0, rows = 0, is_32bits = 0, banks = 0;
u32 val;
- if (BCMCPU_IS_6345())
- return (8 * 1024 * 1024);
+ if (BCMCPU_IS_6345()) {
+ val = bcm_sdram_readl(SDRAM_MBASE_REG);
+ return (val * 8 * 1024 * 1024);
+ }
if (BCMCPU_IS_6338() || BCMCPU_IS_6348()) {
val = bcm_sdram_readl(SDRAM_CFG_REG);
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
@@ -735,6 +735,8 @@
#define SDRAM_CFG_BANK_SHIFT 13
#define SDRAM_CFG_BANK_MASK (1 << SDRAM_CFG_BANK_SHIFT)
+#define SDRAM_MBASE_REG 0xc
+
#define SDRAM_PRIO_REG 0x2C
#define SDRAM_PRIO_MIPS_SHIFT 29
#define SDRAM_PRIO_MIPS_MASK (1 << SDRAM_PRIO_MIPS_SHIFT)
--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
@@ -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;
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
@@ -163,7 +163,7 @@ enum bcm63xx_regs_set {
#define BCM_6345_ENET0_BASE (0xfffe1800)
#define BCM_6345_ENETDMA_BASE (0xfffe2800)
#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)
--- a/arch/mips/bcm63xx/gpio.c
+++ b/arch/mips/bcm63xx/gpio.c
@@ -4,7 +4,7 @@
* for more details.
*
* Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
- * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
+ * Copyright (C) 2008-2011 Florian Fainelli <florian@openwrt.org>
*/
#include <linux/kernel.h>
@@ -33,7 +33,10 @@ static void bcm63xx_gpio_set(struct gpio
BUG();
if (gpio < 32) {
- reg = GPIO_DATA_LO_REG;
+ if (!BCMCPU_IS_6345())
+ reg = GPIO_DATA_LO_REG;
+ else
+ reg = GPIO_DATA_HI_REG;
mask = 1 << gpio;
v = &gpio_out_low;
} else {
@@ -60,7 +63,10 @@ static int bcm63xx_gpio_get(struct gpio_
BUG();
if (gpio < 32) {
- reg = GPIO_DATA_LO_REG;
+ if (!BCMCPU_IS_6345())
+ reg = GPIO_DATA_LO_REG;
+ else
+ reg = GPIO_DATA_HI_REG;
mask = 1 << gpio;
} else {
reg = GPIO_DATA_HI_REG;
@@ -125,7 +131,11 @@ static struct gpio_chip bcm63xx_gpio_chi
int __init bcm63xx_gpio_init(void)
{
- gpio_out_low = bcm_gpio_readl(GPIO_DATA_LO_REG);
+ if (!BCMCPU_IS_6345())
+ gpio_out_low = bcm_gpio_readl(GPIO_DATA_LO_REG);
+ else
+ gpio_out_low = bcm_gpio_readl(GPIO_DATA_HI_REG);
+
gpio_out_high = bcm_gpio_readl(GPIO_DATA_HI_REG);
bcm63xx_gpio_chip.ngpio = bcm63xx_gpio_count();
pr_info("registering %d GPIOs\n", bcm63xx_gpio_chip.ngpio);