diff options
Diffstat (limited to 'target/linux/mcs814x/files-3.3/arch')
6 files changed, 38 insertions, 29 deletions
diff --git a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/clock.c b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/clock.c index 1d1324b6ea..88ecdffbb2 100644 --- a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/clock.c +++ b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/clock.c @@ -16,6 +16,8 @@ #include <mach/mcs814x.h> +#include "common.h" + #define KHZ 1000 #define MHZ (KHZ * KHZ) @@ -32,7 +34,7 @@ struct clk { unsigned long divider; /* clock divider */ u32 usecount; /* reference count */ struct clk_ops *ops; /* clock operation */ - void __iomem *enable_reg; /* clock enable register */ + u32 enable_reg; /* clock enable register */ u32 enable_mask; /* clock enable mask */ }; @@ -52,13 +54,13 @@ static int clk_local_onoff_enable(struct clk *clk, int enable) if (!clk->enable_reg) return 0; - tmp = __raw_readl(clk->enable_reg); + tmp = __raw_readl(mcs814x_sysdbg_base + clk->enable_reg); if (!enable) tmp &= ~clk->enable_mask; else tmp |= clk->enable_mask; - __raw_writel(tmp, clk->enable_reg); + __raw_writel(tmp, mcs814x_sysdbg_base + clk->enable_reg); return 0; } @@ -117,19 +119,19 @@ static struct clk clk_wdt = { static struct clk clk_emac = { .ops = &default_clk_ops, - .enable_reg = (void __iomem *)(_CONFADDR_SYSDBG + SYSDBG_SYSCTL), + .enable_reg = SYSDBG_SYSCTL, .enable_mask = SYSCTL_EMAC, }; static struct clk clk_ephy = { .ops = &default_clk_ops, - .enable_reg = (void __iomem *)(_CONFADDR_SYSDBG + SYSDBG_PLL_CTL), - .enable_mask = ~(1 << 0), + .enable_reg = SYSDBG_PLL_CTL, + .enable_mask = ~SYSCTL_EPHY, /* active low */ }; static struct clk clk_cipher = { .ops = &default_clk_ops, - .enable_reg = (void __iomem *)(_CONFADDR_SYSDBG + SYSDBG_SYSCTL), + .enable_reg = SYSDBG_SYSCTL, .enable_mask = SYSCTL_CIPHER, }; @@ -252,7 +254,7 @@ void __init mcs814x_clk_init(void) clkdev_add_table(mcs814x_chip_clks, ARRAY_SIZE(mcs814x_chip_clks)); /* read the bootstrap registers to know the exact clocking scheme */ - bs1 = __raw_readl(_CONFADDR_SYSDBG + SYSDBG_BS1); + bs1 = __raw_readl(mcs814x_sysdbg_base + SYSDBG_BS1); cpu_freq = (bs1 >> CPU_FREQ_SHIFT) & CPU_FREQ_MASK; pr_info("CPU frequency: %lu (kHz)\n", cpu_freq_table[cpu_freq]); diff --git a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/common.c b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/common.c index e9926b3b34..87193a31ed 100644 --- a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/common.c +++ b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/common.c @@ -23,6 +23,8 @@ #include <asm/pgtable.h> #include <asm/mach/map.h> +void __iomem *mcs814x_sysdbg_base; + static struct map_desc mcs814x_io_desc[] __initdata = { { .virtual = MCS814X_IO_BASE, @@ -65,34 +67,34 @@ static void mcs814x_eth_hardware_filter_set(u8 value) { u32 reg; - reg = __raw_readl(_CONFADDR_DBGLED); + reg = __raw_readl(MCS814X_VIRT_BASE + MCS814X_DBGLED); if (value) reg |= 0x80; else reg &= ~0x80; - __raw_writel(reg, _CONFADDR_DBGLED); + __raw_writel(reg, MCS814X_VIRT_BASE + MCS814X_DBGLED); } static void mcs814x_eth_led_cfg_set(u8 cfg) { u32 reg; - reg = __raw_readl(_CONFADDR_SYSDBG + SYSDBG_BS2); + reg = __raw_readl(mcs814x_sysdbg_base + SYSDBG_BS2); reg &= ~LED_CFG_MASK; reg |= cfg; - __raw_writel(reg, _CONFADDR_SYSDBG + SYSDBG_BS2); + __raw_writel(reg, mcs814x_sysdbg_base + SYSDBG_BS2); } static void mcs814x_eth_buffer_shifting_set(u8 value) { u8 reg; - reg = __raw_readb(_CONFADDR_SYSDBG + SYSDBG_SYSCTL_MAC); + reg = __raw_readb(mcs814x_sysdbg_base + SYSDBG_SYSCTL_MAC); if (value) reg |= BUF_SHIFT_BIT; else reg &= ~BUF_SHIFT_BIT; - __raw_writeb(reg, _CONFADDR_SYSDBG + SYSDBG_SYSCTL_MAC); + __raw_writeb(reg, mcs814x_sysdbg_base + SYSDBG_SYSCTL_MAC); } static struct of_device_id mcs814x_eth_ids[] __initdata = { @@ -130,7 +132,7 @@ void __init mcs814x_init_machine(void) u32 bs2, cpu_mode; int gpio; - bs2 = __raw_readl(_CONFADDR_SYSDBG + SYSDBG_BS2); + bs2 = __raw_readl(mcs814x_sysdbg_base + SYSDBG_BS2); cpu_mode = (bs2 >> CPU_MODE_SHIFT) & CPU_MODE_MASK; pr_info("CPU mode: %s\n", cpu_modes[cpu_mode].name); @@ -148,9 +150,14 @@ void __init mcs814x_init_machine(void) void __init mcs814x_map_io(void) { iotable_init(mcs814x_io_desc, ARRAY_SIZE(mcs814x_io_desc)); + + mcs814x_sysdbg_base = ioremap(MCS814X_IO_START + MCS814X_SYSDBG, + MCS814X_SYSDBG_SIZE); + if (!mcs814x_sysdbg_base) + panic("unable to remap sysdbg base"); } void mcs814x_restart(char mode, const char *cmd) { - __raw_writel(~(1 << 31), _CONFADDR_SYSDBG); + __raw_writel(~(1 << 31), mcs814x_sysdbg_base); } diff --git a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/common.h b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/common.h index bf25cbfe68..e523abeb21 100644 --- a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/common.h +++ b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/common.h @@ -10,5 +10,6 @@ void mcs814x_init_machine(void); void mcs814x_handle_irq(struct pt_regs *regs); void mcs814x_restart(char mode, const char *cmd); extern struct sys_timer mcs814x_timer; +extern void __iomem *mcs814x_sysdbg_base; #endif /* __ARCH_MCS814X_COMMON_H */ diff --git a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/include/mach/debug-macro.S b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/include/mach/debug-macro.S index 5c6d373ae7..93ecea4ed2 100644 --- a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/include/mach/debug-macro.S +++ b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/include/mach/debug-macro.S @@ -1,10 +1,10 @@ #include <mach/mcs814x.h> .macro addruart, rp, rv, tmp - ldr \rp, =_PHYS_CONFADDR - ldr \rv, =_VIRT_CONFADDR - orr \rp, \rp, #_CONFOFFSET_UART - orr \rv, \rv, #_CONFOFFSET_UART + ldr \rp, =MCS814X_PHYS_BASE + ldr \rv, =MCS814X_VIRT_BASE + orr \rp, \rp, #MCS814X_UART + orr \rv, \rv, #MCS814X_UART .endm #define UART_SHIFT 2 diff --git a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/include/mach/mcs814x.h b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/include/mach/mcs814x.h index 9dd09d0a44..2851ba49d6 100644 --- a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/include/mach/mcs814x.h +++ b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/include/mach/mcs814x.h @@ -20,15 +20,13 @@ #define MCS814X_IRQ_MASK 0x20 #define MCS814X_IRQ_STS0 0x40 -#define _PHYS_CONFADDR 0x40000000 -#define _VIRT_CONFADDR MCS814X_IO_BASE +#define MCS814X_PHYS_BASE 0x40000000 +#define MCS814X_VIRT_BASE MCS814X_IO_BASE -#define _CONFOFFSET_UART 0x000DC000 -#define _CONFOFFSET_DBGLED 0x000EC000 -#define _CONFOFFSET_SYSDBG 0x000F8000 - -#define _CONFADDR_DBGLED (_VIRT_CONFADDR + _CONFOFFSET_DBGLED) -#define _CONFADDR_SYSDBG (_VIRT_CONFADDR + _CONFOFFSET_SYSDBG) +#define MCS814X_UART 0x000DC000 +#define MCS814X_DBGLED 0x000EC000 +#define MCS814X_SYSDBG 0x000F8000 +#define MCS814X_SYSDBG_SIZE 0x50 /* System configuration and bootstrap registers */ #define SYSDBG_BS1 0x00 @@ -46,6 +44,7 @@ #define SYSDBG_SYSCTL 0x08 #define SYSCTL_EMAC (1 << 0) +#define SYSCTL_EPHY (1 << 1) /* active low */ #define SYSCTL_CIPHER (1 << 16) #define SYSDBG_PLL_CTL 0x3C diff --git a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/include/mach/uncompress.h b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/include/mach/uncompress.h index 2362e3c95e..cf3ed9a1a6 100644 --- a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/include/mach/uncompress.h +++ b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/include/mach/uncompress.h @@ -32,7 +32,7 @@ static inline void flush(void) static inline void arch_decomp_setup(void) { if (soc_is_mcs8140()) - uart_base = (void __iomem *)(_PHYS_CONFADDR + _CONFOFFSET_UART); + uart_base = (void __iomem *)(MCS814X_PHYS_BASE +MCS814X_UART); } #define arch_decomp_wdog() |