diff options
Diffstat (limited to 'arch/arm/mach-uniphier')
-rw-r--r-- | arch/arm/mach-uniphier/arm32/debug_ll.S | 10 | ||||
-rw-r--r-- | arch/arm/mach-uniphier/debug-uart/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/mach-uniphier/debug-uart/debug-uart-ld20.c | 34 | ||||
-rw-r--r-- | arch/arm/mach-uniphier/debug-uart/debug-uart.c | 36 | ||||
-rw-r--r-- | arch/arm/mach-uniphier/debug-uart/debug-uart.h | 6 | ||||
-rw-r--r-- | arch/arm/mach-uniphier/dram_init.c | 1 | ||||
-rw-r--r-- | arch/arm/mach-uniphier/sc-regs.h | 4 | ||||
-rw-r--r-- | arch/arm/mach-uniphier/sg-regs.h | 50 |
8 files changed, 45 insertions, 98 deletions
diff --git a/arch/arm/mach-uniphier/arm32/debug_ll.S b/arch/arm/mach-uniphier/arm32/debug_ll.S index 9fe3eaadf1..e56e1f679c 100644 --- a/arch/arm/mach-uniphier/arm32/debug_ll.S +++ b/arch/arm/mach-uniphier/arm32/debug_ll.S @@ -16,9 +16,19 @@ #include CONFIG_DEBUG_LL_INCLUDE #endif +#define SG_REVISION_TYPE_SHIFT 16 +#define SG_REVISION_TYPE_MASK (0xff << SG_REVISION_TYPE_SHIFT) #define BAUDRATE 115200 #define DIV_ROUND(x, d) (((x) + ((d) / 2)) / (d)) +.macro sg_set_pinsel, pin, muxval, mux_bits, reg_stride, ra, rd + ldr \ra, =(SG_PINCTRL_BASE + \pin * \mux_bits / 32 * \reg_stride) + ldr \rd, [\ra] + and \rd, \rd, #~(((1 << \mux_bits) - 1) << (\pin * \mux_bits % 32)) + orr \rd, \rd, #(\muxval << (\pin * \mux_bits % 32)) + str \rd, [\ra] +.endm + ENTRY(debug_ll_init) ldr r0, =SG_REVISION ldr r1, [r0] diff --git a/arch/arm/mach-uniphier/debug-uart/Makefile b/arch/arm/mach-uniphier/debug-uart/Makefile index 5d78db58cb..81e9314a50 100644 --- a/arch/arm/mach-uniphier/debug-uart/Makefile +++ b/arch/arm/mach-uniphier/debug-uart/Makefile @@ -7,8 +7,6 @@ obj-$(CONFIG_ARCH_UNIPHIER_SLD8) += debug-uart-sld8.o obj-$(CONFIG_ARCH_UNIPHIER_PRO5) += debug-uart-pro5.o obj-$(CONFIG_ARCH_UNIPHIER_PXS2) += debug-uart-pxs2.o obj-$(CONFIG_ARCH_UNIPHIER_LD6B) += debug-uart-ld6b.o -obj-$(CONFIG_ARCH_UNIPHIER_LD11) += debug-uart-ld20.o -obj-$(CONFIG_ARCH_UNIPHIER_LD20) += debug-uart-ld20.o endif obj-y += debug-uart.o diff --git a/arch/arm/mach-uniphier/debug-uart/debug-uart-ld20.c b/arch/arm/mach-uniphier/debug-uart/debug-uart-ld20.c deleted file mode 100644 index b742feb4b0..0000000000 --- a/arch/arm/mach-uniphier/debug-uart/debug-uart-ld20.c +++ /dev/null @@ -1,34 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com> - */ - -#include <config.h> -#include <linux/kernel.h> -#include <linux/io.h> - -#include "../sc64-regs.h" -#include "../sg-regs.h" -#include "debug-uart.h" - -#define UNIPHIER_LD20_UART_CLK 58820000 - -unsigned int uniphier_ld20_debug_uart_init(void) -{ - u32 tmp; - - sg_set_iectrl(54); /* TXD0 */ - sg_set_iectrl(58); /* TXD1 */ - sg_set_iectrl(90); /* TXD2 */ - sg_set_iectrl(94); /* TXD3 */ - sg_set_pinsel(54, 0, 8, 4); /* TXD0 -> TXD0 */ - sg_set_pinsel(58, 1, 8, 4); /* SPITXD1 -> TXD1 */ - sg_set_pinsel(90, 1, 8, 4); /* PC0WE -> TXD2 */ - sg_set_pinsel(94, 1, 8, 4); /* PCD00 -> TXD3 */ - - tmp = readl(SC_CLKCTRL4); - tmp |= SC_CLKCTRL4_PERI; - writel(tmp, SC_CLKCTRL4); - - return DIV_ROUND_CLOSEST(UNIPHIER_LD20_UART_CLK, 16 * CONFIG_BAUDRATE); -} diff --git a/arch/arm/mach-uniphier/debug-uart/debug-uart.c b/arch/arm/mach-uniphier/debug-uart/debug-uart.c index 992b4a9857..bc96b2e7be 100644 --- a/arch/arm/mach-uniphier/debug-uart/debug-uart.c +++ b/arch/arm/mach-uniphier/debug-uart/debug-uart.c @@ -8,6 +8,7 @@ #include <linux/io.h> #include <linux/serial_reg.h> +#include "../sg-regs.h" #include "../soc-info.h" #include "debug-uart.h" @@ -26,8 +27,36 @@ static void _debug_uart_putc(int c) writel(c, base + UNIPHIER_UART_TX); } +#ifdef CONFIG_SPL_BUILD +void sg_set_pinsel(unsigned int pin, unsigned int muxval, + unsigned int mux_bits, unsigned int reg_stride) +{ + unsigned int shift = pin * mux_bits % 32; + unsigned long reg = SG_PINCTRL_BASE + pin * mux_bits / 32 * reg_stride; + u32 mask = (1U << mux_bits) - 1; + u32 tmp; + + tmp = readl(reg); + tmp &= ~(mask << shift); + tmp |= (mask & muxval) << shift; + writel(tmp, reg); +} + +void sg_set_iectrl(unsigned int pin) +{ + unsigned int bit = pin % 32; + unsigned long reg = SG_IECTRL + pin / 32 * 4; + u32 tmp; + + tmp = readl(reg); + tmp |= 1 << bit; + writel(tmp, reg); +} +#endif + void _debug_uart_init(void) { +#ifdef CONFIG_SPL_BUILD void __iomem *base = (void __iomem *)CONFIG_DEBUG_UART_BASE; unsigned int divisor; @@ -62,12 +91,6 @@ void _debug_uart_init(void) divisor = uniphier_ld6b_debug_uart_init(); break; #endif -#if defined(CONFIG_ARCH_UNIPHIER_LD11) || defined(CONFIG_ARCH_UNIPHIER_LD20) - case UNIPHIER_LD11_ID: - case UNIPHIER_LD20_ID: - divisor = uniphier_ld20_debug_uart_init(); - break; -#endif default: return; } @@ -75,5 +98,6 @@ void _debug_uart_init(void) writel(UART_LCR_WLEN8 << 8, base + UNIPHIER_UART_LCR_MCR); writel(divisor, base + UNIPHIER_UART_LDR); +#endif } DEBUG_UART_FUNCS diff --git a/arch/arm/mach-uniphier/debug-uart/debug-uart.h b/arch/arm/mach-uniphier/debug-uart/debug-uart.h index 4cbd2f08e7..f4e98c0bb0 100644 --- a/arch/arm/mach-uniphier/debug-uart/debug-uart.h +++ b/arch/arm/mach-uniphier/debug-uart/debug-uart.h @@ -12,7 +12,9 @@ unsigned int uniphier_sld8_debug_uart_init(void); unsigned int uniphier_pro5_debug_uart_init(void); unsigned int uniphier_pxs2_debug_uart_init(void); unsigned int uniphier_ld6b_debug_uart_init(void); -unsigned int uniphier_ld11_debug_uart_init(void); -unsigned int uniphier_ld20_debug_uart_init(void); + +void sg_set_pinsel(unsigned int pin, unsigned int muxval, + unsigned int mux_bits, unsigned int reg_stride); +void sg_set_iectrl(unsigned int pin); #endif /* _MACH_DEBUG_UART_H */ diff --git a/arch/arm/mach-uniphier/dram_init.c b/arch/arm/mach-uniphier/dram_init.c index 7e7c1d98db..fa4b3e386b 100644 --- a/arch/arm/mach-uniphier/dram_init.c +++ b/arch/arm/mach-uniphier/dram_init.c @@ -7,6 +7,7 @@ #include <common.h> #include <linux/errno.h> +#include <linux/io.h> #include <linux/kernel.h> #include <linux/printk.h> #include <linux/sizes.h> diff --git a/arch/arm/mach-uniphier/sc-regs.h b/arch/arm/mach-uniphier/sc-regs.h index b105335f69..28de19c039 100644 --- a/arch/arm/mach-uniphier/sc-regs.h +++ b/arch/arm/mach-uniphier/sc-regs.h @@ -12,10 +12,6 @@ #define SC_BASE_ADDR 0x61840000 -#define SC_DPLLOSCCTRL (SC_BASE_ADDR | 0x1110) -#define SC_DPLLOSCCTRL_DPLLST (0x1 << 1) -#define SC_DPLLOSCCTRL_DPLLEN (0x1 << 0) - #define SC_DPLLCTRL (SC_BASE_ADDR | 0x1200) #define SC_DPLLCTRL_SSC_EN (0x1 << 31) #define SC_DPLLCTRL_FOUTMODE_MASK (0xf << 16) diff --git a/arch/arm/mach-uniphier/sg-regs.h b/arch/arm/mach-uniphier/sg-regs.h index 0497655fb5..39ffed5885 100644 --- a/arch/arm/mach-uniphier/sg-regs.h +++ b/arch/arm/mach-uniphier/sg-regs.h @@ -87,54 +87,4 @@ #define SG_PINMON0_CLK_MODE_AXOSEL_20480KHZ (0x2 << 16) #define SG_PINMON0_CLK_MODE_AXOSEL_25000KHZ_A (0x3 << 16) -#ifdef __ASSEMBLY__ - - .macro sg_set_pinsel, pin, muxval, mux_bits, reg_stride, ra, rd - ldr \ra, =(SG_PINCTRL_BASE + \pin * \mux_bits / 32 * \reg_stride) - ldr \rd, [\ra] - and \rd, \rd, #~(((1 << \mux_bits) - 1) << (\pin * \mux_bits % 32)) - orr \rd, \rd, #(\muxval << (\pin * \mux_bits % 32)) - str \rd, [\ra] - .endm - -#else - -#include <linux/types.h> -#include <linux/io.h> - -static inline void sg_set_pinsel(unsigned pin, unsigned muxval, - unsigned mux_bits, unsigned reg_stride) -{ - unsigned shift = pin * mux_bits % 32; - unsigned long reg = SG_PINCTRL_BASE + pin * mux_bits / 32 * reg_stride; - u32 mask = (1U << mux_bits) - 1; - u32 tmp; - - tmp = readl(reg); - tmp &= ~(mask << shift); - tmp |= (mask & muxval) << shift; - writel(tmp, reg); -} - -static inline void sg_set_iectrl(unsigned pin) -{ - unsigned bit = pin % 32; - unsigned long reg = SG_IECTRL + pin / 32 * 4; - u32 tmp; - - tmp = readl(reg); - tmp |= 1 << bit; - writel(tmp, reg); -} - -static inline void sg_set_iectrl_range(unsigned min, unsigned max) -{ - int i; - - for (i = min; i <= max; i++) - sg_set_iectrl(i); -} - -#endif /* __ASSEMBLY__ */ - #endif /* UNIPHIER_SG_REGS_H */ |