Arthur Heymans has uploaded this change for review.
cpu/allwinner: Remove support
The Allwinner code was never completed and lacks a driver to load
romstage from the bootblock.
Change-Id: If2bae9e28a6e1ed6bfe0e9cb022ca410918cc4db
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
---
D src/cpu/allwinner/Kconfig
D src/cpu/allwinner/Makefile.inc
D src/cpu/allwinner/a10/Kconfig
D src/cpu/allwinner/a10/Makefile.inc
D src/cpu/allwinner/a10/bootblock.c
D src/cpu/allwinner/a10/bootblock_media.c
D src/cpu/allwinner/a10/cbmem.c
D src/cpu/allwinner/a10/chip.h
D src/cpu/allwinner/a10/clock.c
D src/cpu/allwinner/a10/clock.h
D src/cpu/allwinner/a10/cpu.c
D src/cpu/allwinner/a10/dramc.h
D src/cpu/allwinner/a10/gpio.c
D src/cpu/allwinner/a10/gpio.h
D src/cpu/allwinner/a10/memmap.h
D src/cpu/allwinner/a10/monotonic_timer.c
D src/cpu/allwinner/a10/pinmux.c
D src/cpu/allwinner/a10/ram_segs.h
D src/cpu/allwinner/a10/raminit.c
D src/cpu/allwinner/a10/timer.c
D src/cpu/allwinner/a10/timer.h
D src/cpu/allwinner/a10/twi.c
D src/cpu/allwinner/a10/twi.h
D src/cpu/allwinner/a10/uart.c
D src/cpu/allwinner/a10/uart.h
D src/cpu/allwinner/a10/uart_console.c
26 files changed, 0 insertions(+), 2,673 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/33/33133/1
diff --git a/src/cpu/allwinner/Kconfig b/src/cpu/allwinner/Kconfig
deleted file mode 100644
index d97cb64..0000000
--- a/src/cpu/allwinner/Kconfig
+++ /dev/null
@@ -1 +0,0 @@
-source src/cpu/allwinner/a10/Kconfig
diff --git a/src/cpu/allwinner/Makefile.inc b/src/cpu/allwinner/Makefile.inc
deleted file mode 100644
index e52a12e..0000000
--- a/src/cpu/allwinner/Makefile.inc
+++ /dev/null
@@ -1 +0,0 @@
-subdirs-$(CONFIG_CPU_ALLWINNER_A10) += a10
diff --git a/src/cpu/allwinner/a10/Kconfig b/src/cpu/allwinner/a10/Kconfig
deleted file mode 100644
index 87693ed..0000000
--- a/src/cpu/allwinner/a10/Kconfig
+++ /dev/null
@@ -1,18 +0,0 @@
-config CPU_ALLWINNER_A10
- bool
- default n
-
-if CPU_ALLWINNER_A10
-
-config CPU_SPECIFIC_OPTIONS
- def_bool y
- select ARCH_BOOTBLOCK_ARMV7
- select ARCH_VERSTAGE_ARMV7
- select ARCH_ROMSTAGE_ARMV7
- select ARCH_RAMSTAGE_ARMV7
- select HAVE_MONOTONIC_TIMER
- select HAVE_UART_SPECIAL
- select UART_OVERRIDE_REFCLK
- select BOOT_DEVICE_NOT_SPI_FLASH
-
-endif # if CPU_ALLWINNER_A10
diff --git a/src/cpu/allwinner/a10/Makefile.inc b/src/cpu/allwinner/a10/Makefile.inc
deleted file mode 100644
index a6cd4b4..0000000
--- a/src/cpu/allwinner/a10/Makefile.inc
+++ /dev/null
@@ -1,56 +0,0 @@
-bootblock-y += bootblock.c
-bootblock-y += bootblock_media.c
-bootblock-y += clock.c
-bootblock-y += gpio.c
-bootblock-y += pinmux.c
-bootblock-y += raminit.c
-bootblock-y += timer.c
-
-romstage-y += bootblock_media.c
-romstage-y += cbmem.c
-romstage-y += clock.c
-romstage-y += pinmux.c
-romstage-y += timer.c
-romstage-y += twi.c
-
-ramstage-y += bootblock_media.c
-ramstage-y += cbmem.c
-ramstage-y += clock.c
-ramstage-y += cpu.c
-ramstage-y += monotonic_timer.c
-ramstage-y += timer.c
-ramstage-y += twi.c
-
-bootblock-y += uart.c uart_console.c
-romstage-y += uart.c uart_console.c
-ramstage-y += uart.c uart_console.c
-
-real-target: $(obj)/BOOT0
-
-get_bootblock_size= \
- $(eval bb_s=$(shell $(CBFSTOOL) $(1) print | grep bootblocksize | \
- sed 's/[^0-9 ]//g')) \
- $(shell echo $$(($(word 2, $(strip $(bb_s))))))
-
-# This tool is used to prepend a header to coreboot.rom to trick the SoC into
-# loading out bootblock
-#
-MKSUNXIBOOT:=$(objutil)/mksunxiboot
-$(MKSUNXIBOOT): $(top)/util/arm_boot_tools/mksunxiboot/mksunxiboot.c
- @printf " HOSTCC $(subst $(obj)/,,$(@))\n"
- $(HOSTCC) $(HOSTCFLAGS) -o $@ $<
-
-# The boot ROM in the SoC will start loading code if a special BOOT0 header is
-# found (at an offset of 8KiB in either NAND or SD), and the checksum is
-# correct. This header is added by the 'mxsunxiboot' tool, which is provided
-# under util/arm_boot_tools/mksunxiboot. The boot ROM will load at most 24KiB of
-# data to SRAM. The BOOT0 header takes 32 bytes, so bootblock is limited to
-# 24KiB - 32 bytes.
-# TODO: make mksunxiboot take the bootblock size as a parameter
-# TODO: print an error if bootblock is too large (maybe place ROMSTAGE at the
-# exact offset needed to collide with the bootblock)
-# FIXME: A10 loads 24KiB. According to Oliver other chips load a little more
-#
-$(obj)/BOOT0: $(obj)/coreboot.rom $(MKSUNXIBOOT)
- @printf " BOOT0 $(subst $(obj)/,,$(^))\n"
- $(MKSUNXIBOOT) $(word 1, $^) $@
diff --git a/src/cpu/allwinner/a10/bootblock.c b/src/cpu/allwinner/a10/bootblock.c
deleted file mode 100644
index 471104b..0000000
--- a/src/cpu/allwinner/a10/bootblock.c
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2013 Google Inc.
- * Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Allwinner A10 bootblock initialization
- *
- */
-
-#include <types.h>
-#include <arch/cache.h>
-#include <bootblock_common.h>
-
-void bootblock_soc_init(void)
-{
- uint32_t sctlr;
-
- /* enable dcache */
- sctlr = read_sctlr();
- sctlr |= SCTLR_C;
- write_sctlr(sctlr);
-}
diff --git a/src/cpu/allwinner/a10/bootblock_media.c b/src/cpu/allwinner/a10/bootblock_media.c
deleted file mode 100644
index c89cac0..0000000
--- a/src/cpu/allwinner/a10/bootblock_media.c
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * CBFS accessors for bootblock stage.
- *
- */
-#include <boot_device.h>
-#include <console/console.h>
-
-const struct region_device *boot_device_ro(void)
-{
- printk(BIOS_ERR, "Oh my! I don't know how to access CBFS yet.");
- return NULL;
-}
diff --git a/src/cpu/allwinner/a10/cbmem.c b/src/cpu/allwinner/a10/cbmem.c
deleted file mode 100644
index a4c563a3..0000000
--- a/src/cpu/allwinner/a10/cbmem.c
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Provides cbmem utilities for romstage and ramstage
- *
- */
-
-#include "ram_segs.h"
-#include <cbmem.h>
-
-void *cbmem_top(void)
-{
- return a1x_get_cbmem_top();
-}
diff --git a/src/cpu/allwinner/a10/chip.h b/src/cpu/allwinner/a10/chip.h
deleted file mode 100644
index af419ea..0000000
--- a/src/cpu/allwinner/a10/chip.h
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Allwinnwer A10 devicetree config struct
- *
- */
-
-#include <types.h>
-
-struct cpu_allwinner_a10_config {
-};
diff --git a/src/cpu/allwinner/a10/clock.c b/src/cpu/allwinner/a10/clock.c
deleted file mode 100644
index 76198b7..0000000
--- a/src/cpu/allwinner/a10/clock.c
+++ /dev/null
@@ -1,284 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Helpers for clock control and gating on Allwinner CPUs
- */
-
-#include "clock.h"
-
-#include <device/mmio.h>
-#include <console/console.h>
-#include <delay.h>
-#include <lib.h>
-#include <stdlib.h>
-
-static struct a10_ccm *const ccm = (void *)A1X_CCM_BASE;
-
-/**
- * \brief Enable the clock source for the peripheral
- *
- * @param[in] periph peripheral and clock type to enable @see a1x_clken
- */
-void a1x_periph_clock_enable(enum a1x_clken periph)
-{
- void *addr;
- u32 reg32;
-
- addr = (void *)A1X_CCM_BASE + (periph >> 5);
- reg32 = read32(addr);
- reg32 |= 1 << (periph & 0x1f);
- write32(addr, reg32);
-}
-
-/**
- * \brief Disable the clock source for the peripheral
- *
- * @param[in] periph peripheral and clock type to disable @see a1x_clken
- */
-void a1x_periph_clock_disable(enum a1x_clken periph)
-{
- void *addr;
- u32 reg32;
-
- addr = (void *)A1X_CCM_BASE + (periph >> 5);
- reg32 = read32(addr);
- reg32 &= ~(1 << (periph & 0x1f));
- write32(addr, reg32);
-}
-
-/**
- * \brief Configure PLL5 factors
- *
- * This is a low-level accessor to configure the divisors and multipliers of
- * PLL5. PLL5 uses two factors to multiply the 24MHz oscillator clock to
- * generate a pre-clock. The pre-divided clock is then divided by one of two
- * independent divisors, one for DRAM, and another for peripherals clocked from
- * this PLL. If the PLL was previously disabled, this function will enable it.
- * Other than that, this function only modifies these factors, and leaves the
- * other settings unchanged.
- *
- * The output clocks are given by the following formulas:
- *
- * Pre-clock = (24 MHz * N * K) <- Must be between 240MHz and 2GHz
- * DRAM clock = pre / M
- * Other module = pre / P
- *
- * It is the caller's responsibility to make sure the pre-divided clock falls
- * within the operational range of the PLL, and that the divisors and
- * multipliers are within their ranges.
- *
- * @param[in] mul_n Multiplier N, between 0 and 32
- * @param[in] mul_k Multiplier K, between 1 and 4
- * @param[in] div_m DRAM clock divisor, between 1 and 4
- * @param[in] exp_div_p Peripheral clock divisor exponent, between 0 and 3
- * (P = 1/2/4/8, respectively)
- */
-void a1x_pll5_configure(u8 mul_n, u8 mul_k, u8 div_m, u8 exp_div_p)
-{
- u32 reg32;
-
- reg32 = read32(&ccm->pll5_cfg);
- reg32 &= ~(PLL5_FACTOR_M_MASK | PLL5_FACTOR_N_MASK |
- PLL5_FACTOR_K_MASK | PLL5_DIV_EXP_P_MASK);
- /* The M1 factor is not documented in the datasheet, and the reference
- * raminit code does not use it. Whether this is a fractional divisor,
- * or an additional divisor is unknown, so don't use it for now */
- reg32 &= ~PLL5_FACTOR_M1_MASK;
- reg32 |= (PLL5_FACTOR_M(div_m) | PLL5_FACTOR_N(mul_n) |
- PLL5_FACTOR_K(mul_k) | PLL5_DIV_EXP_P(exp_div_p));
- reg32 |= PLL5_PLL_ENABLE;
- write32(&ccm->pll5_cfg, reg32);
-}
-
-/**
- * \brief Enable the clock output to DRAM chips
- *
- * This enables the DRAM clock to be sent to DRAM chips. This should normally be
- * done after PLL5 is configured and locked. Note that the clock may be gated,
- * and also needs to be ungated in order to reach the DDR chips.
- * Also see @ref clock_ungate_dram_clk_output
- */
-void a1x_pll5_enable_dram_clock_output(void)
-{
- setbits_le32(&ccm->pll5_cfg, PLL5_DDR_CLK_OUT_EN);
-}
-
-/**
- * \brief Ungate the clock to DRAM chips
- *
- * Although the DRAM clock output may be enabled, it is by default gated. It
- * needs to be ungated before reaching DRAM.
- */
-void a1x_ungate_dram_clock_output(void)
-{
- setbits_le32(&ccm->dram_clk_cfg, DRAM_CTRL_DCLK_OUT);
-}
-
-/**
- * \brief Gate the clock to DRAM chips
- *
- * Disable the clock to DRAM without altering PLL configuration, by closing the
- * DRAM clock gate.
- */
-void a1x_gate_dram_clock_output(void)
-{
- clrbits_le32(&ccm->dram_clk_cfg, DRAM_CTRL_DCLK_OUT);
-}
-
-/*
- * Linker doesn't garbage collect and the function below adds about half
- * kilobyte to the bootblock, and log2_ceil is not available in the bootblock.
- */
-#ifndef __BOOTBLOCK__
-
-#define PLL1_CFG(N, K, M, P_EXP) \
- ((1 << 31 | 0 << 30 | 8 << 26 | 0 << 25 | 16 << 20 | 2 << 13) | \
- (P_EXP) << 16 | (N) << 8 | \
- (K - 1) << 4 | 0 << 3 | 0 << 2 | (M -1) << 0)
-
-static const struct {
- u32 pll1_cfg;
- u16 freq_mhz;
-} pll1_table[] = {
- /* PLL1 output = (24MHz * N * K) / (M * P) */
- { PLL1_CFG(16, 1, 1, 0), 384 },
- { PLL1_CFG(16, 2, 1, 0), 768 },
- { PLL1_CFG(20, 2, 1, 0), 960 },
- { PLL1_CFG(21, 2, 1, 0), 1008 },
- { PLL1_CFG(22, 2, 1, 0), 1056 },
- { PLL1_CFG(23, 2, 1, 0), 1104 },
- { PLL1_CFG(24, 2, 1, 0), 1152 },
- { PLL1_CFG(25, 2, 1, 0), 1200 },
- { PLL1_CFG(26, 2, 1, 0), 1248 },
- { PLL1_CFG(27, 2, 1, 0), 1296 },
- { PLL1_CFG(28, 2, 1, 0), 1344 },
- { PLL1_CFG(29, 2, 1, 0), 1392 },
- { PLL1_CFG(30, 2, 1, 0), 1440 },
- { PLL1_CFG(31, 2, 1, 0), 1488 },
- { PLL1_CFG(20, 4, 1, 0), 1944 },
-};
-
-static void cpu_clk_src_switch(u32 clksel_bits)
-{
- u32 reg32;
-
- reg32 = read32(&ccm->cpu_ahb_apb0_cfg);
- reg32 &= ~CPU_CLK_SRC_MASK;
- reg32 |= clksel_bits & CPU_CLK_SRC_MASK;
- write32(&ccm->cpu_ahb_apb0_cfg, reg32);
-}
-
-static void change_sys_divisors(u8 axi, u8 ahb_exp, u8 apb0_exp)
-{
- u32 reg32;
-
- reg32 = read32(&ccm->cpu_ahb_apb0_cfg);
- /* Not a typo: We want to keep only the CLK_SRC bits */
- reg32 &= CPU_CLK_SRC_MASK;
- reg32 |= ((axi - 1) << 0) & AXI_DIV_MASK;
- reg32 |= (ahb_exp << 4) & AHB_DIV_MASK;
- reg32 |= (apb0_exp << 8) & APB0_DIV_MASK;
- write32(&ccm->cpu_ahb_apb0_cfg, reg32);
-}
-
-static void spin_delay(u32 loops)
-{
- volatile u32 x = loops;
- while (x--);
-}
-
-/**
- * \brief Configure the CPU clock and PLL1
- *
- * To run at full speed, the CPU uses PLL1 as the clock source. AXI, AHB, and
- * APB0 are derived from the CPU clock, and need to be kept within certain
- * limits. This function configures PLL1 as close as possible to the desired
- * frequency, based on a set of known working configurations for PLL1. It then
- * calculates and applies the appropriate divisors for the AXI/AHB/APB0 clocks,
- * before finally switching the CPU to run from the new clock.
- * No further configuration of the CPU clock or divisors is needed. after
- * calling this function.
- *
- * @param[in] cpu_clk_mhz Desired CPU clock, in MHz
- */
-void a1x_set_cpu_clock(u16 cpu_clk_mhz)
-{
- int i = 0;
- u8 axi, ahb, ahb_exp, apb0, apb0_exp;
- u32 actual_mhz;
-
- /*
- * Rated clock for PLL1 is 2000 MHz, but there is no combination of
- * parameters that yields that exact frequency. 1944 MHz is the highest.
- */
- if (cpu_clk_mhz > 1944) {
- printk(BIOS_CRIT, "BUG! maximum PLL1 clock is 1944 MHz,"
- "but asked to clock CPU at %d MHz\n",
- cpu_clk_mhz);
- cpu_clk_mhz = 1944;
- }
- /* Find target frequency */
- while (pll1_table[i].freq_mhz < cpu_clk_mhz)
- i++;
-
- actual_mhz = pll1_table[i].freq_mhz;
-
- if (cpu_clk_mhz != actual_mhz) {
- printk(BIOS_WARNING, "Parameters for %d MHz not available, "
- "setting CPU clock at %d MHz\n",
- cpu_clk_mhz, actual_mhz);
- }
-
- /*
- * Calculate system clock divisors:
- * The minimum clock divisor for APB0 is 2, which guarantees that AHB0
- * will always be in spec, as long as AHB is in spec, although the max
- * AHB0 clock we can get is 125 MHz
- */
- axi = DIV_ROUND_UP(actual_mhz, 450); /* Max 450 MHz */
- ahb = DIV_ROUND_UP(actual_mhz/axi, 250); /* Max 250 MHz */
- apb0 = 2; /* Max 150 MHz */
-
- ahb_exp = log2_ceil(ahb);
- ahb = 1 << ahb_exp;
- apb0_exp = 1;
-
- printk(BIOS_INFO, "CPU: %d MHz, AXI %d Mhz, AHB: %d MHz APB0: %d MHz\n",
- actual_mhz,
- actual_mhz / axi,
- actual_mhz / (axi * ahb),
- actual_mhz / (axi * ahb * apb0));
-
- /* Keep the CPU off PLL1 while we change PLL parameters */
- cpu_clk_src_switch(CPU_CLK_SRC_OSC24M);
- /*
- * We can't use udelay() here. udelay() relies on timer 0, but timers
- * have the habit of not ticking when the CPU is clocked from the main
- * oscillator.
- */
- spin_delay(8);
-
- change_sys_divisors(axi, ahb_exp, apb0_exp);
-
- /* Configure PLL1 at the desired frequency */
- write32(&ccm->pll1_cfg, pll1_table[i].pll1_cfg);
- spin_delay(8);
-
- cpu_clk_src_switch(CPU_CLK_SRC_PLL1);
- /* Here, we're running from PLL, so timers will tick */
- udelay(1);
-}
-
-#endif /* __BOOTBLOCK__ */
diff --git a/src/cpu/allwinner/a10/clock.h b/src/cpu/allwinner/a10/clock.h
deleted file mode 100644
index 110a6f8..0000000
--- a/src/cpu/allwinner/a10/clock.h
+++ /dev/null
@@ -1,283 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2007-2011 Allwinner Technology Co., Ltd.
- * Tom Cubie <tangliang@allwinnertech.com>
- * Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License. or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Definitions for clock control and gating on Allwinner CPUs
- */
-
-#ifndef CPU_ALLWINNER_A10_CLOCK_H
-#define CPU_ALLWINNER_A10_CLOCK_H
-
-#include "memmap.h"
-#include <types.h>
-
-/* CPU_AHB_APB0 config values */
-#define CPU_CLK_SRC_MASK (3 << 16)
-#define CPU_CLK_SRC_OSC24M (1 << 16)
-#define CPU_CLK_SRC_PLL1 (2 << 16)
-#define APB0_DIV_MASK (3 << 8)
-#define APB0_DIV_1 (0 << 8)
-#define APB0_DIV_2 (1 << 8)
-#define APB0_DIV_4 (2 << 8)
-#define APB0_DIV_8 (3 << 8)
-#define AHB_DIV_MASK (3 << 4)
-#define AHB_DIV_1 (0 << 4)
-#define AHB_DIV_2 (1 << 4)
-#define AHB_DIV_4 (2 << 4)
-#define AHB_DIV_8 (3 << 4)
-#define AXI_DIV_MASK (3 << 0)
-#define AXI_DIV_1 (0 << 0)
-#define AXI_DIV_2 (1 << 0)
-#define AXI_DIV_3 (2 << 0)
-#define AXI_DIV_4 (3 << 0)
-
-/* APB1_CLK_DIV values */
-#define APB1_CLK_SRC_MASK (3 << 24)
-#define APB1_CLK_SRC_OSC24M (0 << 24)
-#define APB1_CLK_SRC_PLL6 (1 << 24)
-#define APB1_CLK_SRC_32K (2 << 24)
-#define APB1_RAT_N_MASK (3 << 16)
-#define APB1_RAT_N(m) (((m) & 0x3) << 16)
-#define APB1_RAT_M_MASK (0x1f << 0)
-#define APB1_RAT_M(n) (((n) & 0x1f) << 0)
-
-/* PLL5_CFG values */
-#define PLL5_PLL_ENABLE (1 << 31)
-#define PLL5_OUT_BYPASS_EN (1 << 30)
-#define PLL5_DDR_CLK_OUT_EN (1 << 29)
-#define PLL5_DIV_EXP_P_MASK (0x3 << 16)
-#define PLL5_DIV_EXP_P(ep) ((ep << 16) & PLL5_DIV_EXP_P_MASK)
-#define PLL5_DIV_P_1 (0x0 << 16)
-#define PLL5_DIV_P_2 (0x1 << 16)
-#define PLL5_DIV_P_4 (0x2 << 16)
-#define PLL5_DIV_P_8 (0x3 << 16)
-#define PLL5_FACTOR_N_MASK (0x1f << 8)
-#define PLL5_FACTOR_N(n) ((n << 8) & PLL5_FACTOR_N_MASK)
-#define PLL5_LDO_EN (1 << 7)
-#define PLL5_FACTOR_K_MASK (0x3 << 4)
-#define PLL5_FACTOR_K(k) ((((k) - 1) << 4) & PLL5_FACTOR_K_MASK)
-#define PLL5_FACTOR_M1_MASK (0x3 << 2)
-#define PLL5_FACTOR_M1(m1) (((m1) << 2) & PLL5_FACTOR_M1_MASK)
-#define PLL5_FACTOR_M_MASK (0x3 << 0)
-#define PLL5_FACTOR_M(m) ((((m) - 1) << 0) & PLL5_FACTOR_M_MASK)
-
-/* DRAM_CLK values*/
-#define DRAM_CTRL_DCLK_OUT (1 << 15)
-
-/* SDx_CLK values */
-#define SDx_CLK_GATE (1 << 31)
-#define SDx_CLK_SRC_MASK (3 << 24)
-#define SDx_CLK_SRC_OSC24M (0 << 24)
-#define SDx_CLK_SRC_PLL6 (1 << 24)
-#define SDx_CLK_SRC_PLL5 (2 << 24)
-#define SDx_RAT_EXP_N_MASK (3 << 16)
-#define SDx_RAT_EXP_N(n) (((n) << 16) & SDx_RAT_EXP_N_MASK)
-#define SDx_RAT_M_MASK (0xf << 0)
-#define SDx_RAT_M(m) ((((m) - 1) << 0) & SDx_RAT_M_MASK)
-/**
- * \brief Clock gating definitions
- *
- * The definitions are specified in the form:
- * 31:5 register offset from A1X_CCM_BASE for the clock register
- * 4:0 bit offset for the given peripheral
- *
- * The names have the form [periph_type][periph_number]
- *
- * These definitions are meant to be used with @ref a1x_periph_clock_enable and
- * @ref a1x_periph_clock_disable
- */
-
-enum a1x_clken {
- /* AXI module clock gating */
- A1X_CLKEN_DRAM_AXI = (0x5C << 5),
- /* AHB0 module clock gating */
- A1X_CLKEN_USB0 = (0x60 << 5),
- A1X_CLKEN_EHCI0,
- RSVD_0x60_2,
- A1X_CLKEN_EHCI1,
- RSVD_0x60_4,
- A1X_CLKEN_SS,
- A1X_CLKEN_DMA,
- A1X_CLKEN_BIST,
- A1X_CLKEN_MMC0,
- A1X_CLKEN_MMC1,
- A1X_CLKEN_MMC2,
- A1X_CLKEN_MMC3,
- A1X_CLKEN_NC,
- A1X_CLKEN_NAND,
- A1X_CLKEN_SDRAM,
- RSVD_0x60_15,
- A1X_CLKEN_ACE,
- A1X_CLKEN_EMAC,
- A1X_CLKEN_TS,
- RSVD_0x60_19,
- A1X_CLKEN_SPI0,
- A1X_CLKEN_SPI1,
- A1X_CLKEN_SPI2,
- A1X_CLKEN_SPI3,
- A1X_CLKEN_PATA,
- RSVD_0x60_25,
- A1X_CLKEN_GPS,
- /* AHB1 module clock gating */
- A1X_CLKEN_DRAM_VE = (0x64 << 5),
- A1X_CLKEN_TVD,
- A1X_CLKEN_TVE0,
- A1X_CLKEN_TVE1,
- A1X_CLKEN_LCD0,
- A1X_CLKEN_LCD1,
- RSVD_0x64_6,
- RSVD_0x64_7,
- A1X_CLKEN_CSI0,
- A1X_CLKEN_CSI1,
- RSVD_0x64_10,
- A1X_CLKEN_HDMI,
- A1X_CLKEN_DE_BE0,
- A1X_CLKEN_DE_BE1,
- A1X_CLKEN_DE_FE0,
- A1X_CLKEN_DE_FE1,
- RSVD_0x64_16,
- RSVD_0x64_17,
- A1X_CLKEN_MP,
- RSVD_0x64_19,
- A1X_CLKEN_MALI400,
- /* APB0 module clock gating */
- A1X_CLKEN_CODEC = (0x68 << 5),
- A1X_CLKEN_NC_APB,
- A1X_CLKEN_AC97,
- A1X_CLKEN_IIS,
- RSVD_0x68_4,
- A1X_CLKEN_PIO,
- A1X_CLKEN_IR0,
- A1X_CLKEN_IR1,
- RSVD_0x68_8,
- RSVD_0x68_9,
- A1X_CLKEN_KEYPAD,
- /* APB1 module clock gating */
- A1X_CLKEN_TWI0 = (0x6C << 5),
- A1X_CLKEN_TWI1,
- A1X_CLKEN_TWI2,
- RSVD_0x6C_3,
- A1X_CLKEN_CAN,
- A1X_CLKEN_SCR,
- A1X_CLKEN_PS20,
- A1X_CLKEN_PS21,
- RSVD_0x6C_8,
- RSVD_0x6C_9,
- RSVD_0x6C_10,
- RSVD_0x6C_11,
- RSVD_0x6C_12,
- RSVD_0x6C_13,
- RSVD_0x6C_14,
- RSVD_0x6C_15,
- A1X_CLKEN_UART0,
- A1X_CLKEN_UART1,
- A1X_CLKEN_UART2,
- A1X_CLKEN_UART3,
- A1X_CLKEN_UART4,
- A1X_CLKEN_UART5,
- A1X_CLKEN_UART6,
- A1X_CLKEN_UART7,
-};
-
-struct a10_ccm {
- u32 pll1_cfg; /* 0x00 pll1 control */
- u32 pll1_tun; /* 0x04 pll1 tuning */
- u32 pll2_cfg; /* 0x08 pll2 control */
- u32 pll2_tun; /* 0x0c pll2 tuning */
- u32 pll3_cfg; /* 0x10 pll3 control */
- u8 res0[0x4];
- u32 pll4_cfg; /* 0x18 pll4 control */
- u8 res1[0x4];
- u32 pll5_cfg; /* 0x20 pll5 control */
- u32 pll5_tun; /* 0x24 pll5 tuning */
- u32 pll6_cfg; /* 0x28 pll6 control */
- u32 pll6_tun; /* 0x2c pll6 tuning */
- u32 pll7_cfg; /* 0x30 pll7 control */
- u32 pll1_tun2; /* 0x34 pll5 tuning2 */
- u8 res2[0x4];
- u32 pll5_tun2; /* 0x3c pll5 tuning2 */
- u8 res3[0xc];
- u32 pll_lock_dbg; /* 0x4c pll lock time debug */
- u32 osc24m_cfg; /* 0x50 osc24m control */
- u32 cpu_ahb_apb0_cfg; /* 0x54 CPU, ahb and apb0 divide ratio */
- u32 apb1_clk_div_cfg; /* 0x58 apb1 clock dividor */
- u32 axi_gate; /* 0x5c axi module clock gating */
- u32 ahb_gate0; /* 0x60 ahb module clock gating 0 */
- u32 ahb_gate1; /* 0x64 ahb module clock gating 1 */
- u32 apb0_gate; /* 0x68 apb0 module clock gating */
- u32 apb1_gate; /* 0x6c apb1 module clock gating */
- u8 res4[0x10];
- u32 nand_sclk_cfg; /* 0x80 nand sub clock control */
- u32 ms_sclk_cfg; /* 0x84 memory stick sub clock control */
- u32 sd0_clk_cfg; /* 0x88 sd0 clock control */
- u32 sd1_clk_cfg; /* 0x8c sd1 clock control */
- u32 sd2_clk_cfg; /* 0x90 sd2 clock control */
- u32 sd3_clk_cfg; /* 0x94 sd3 clock control */
- u32 ts_clk_cfg; /* 0x98 transport stream clock control */
- u32 ss_clk_cfg; /* 0x9c */
- u32 spi0_clk_cfg; /* 0xa0 */
- u32 spi1_clk_cfg; /* 0xa4 */
- u32 spi2_clk_cfg; /* 0xa8 */
- u32 pata_clk_cfg; /* 0xac */
- u32 ir0_clk_cfg; /* 0xb0 */
- u32 ir1_clk_cfg; /* 0xb4 */
- u32 iis_clk_cfg; /* 0xb8 */
- u32 ac97_clk_cfg; /* 0xbc */
- u32 spdif_clk_cfg; /* 0xc0 */
- u32 keypad_clk_cfg; /* 0xc4 */
- u32 sata_clk_cfg; /* 0xc8 */
- u32 usb_clk_cfg; /* 0xcc */
- u32 gps_clk_cfg; /* 0xd0 */
- u32 spi3_clk_cfg; /* 0xd4 */
- u8 res5[0x28];
- u32 dram_clk_cfg; /* 0x100 */
- u32 be0_clk_cfg; /* 0x104 */
- u32 be1_clk_cfg; /* 0x108 */
- u32 fe0_clk_cfg; /* 0x10c */
- u32 fe1_clk_cfg; /* 0x110 */
- u32 mp_clk_cfg; /* 0x114 */
- u32 lcd0_ch0_clk_cfg; /* 0x118 */
- u32 lcd1_ch0_clk_cfg; /* 0x11c */
- u32 csi_isp_clk_cfg; /* 0x120 */
- u8 res6[0x4];
- u32 tvd_clk_reg; /* 0x128 */
- u32 lcd0_ch1_clk_cfg; /* 0x12c */
- u32 lcd1_ch1_clk_cfg; /* 0x130 */
- u32 csi0_clk_cfg; /* 0x134 */
- u32 csi1_clk_cfg; /* 0x138 */
- u32 ve_clk_cfg; /* 0x13c */
- u32 audio_codec_clk_cfg; /* 0x140 */
- u32 avs_clk_cfg; /* 0x144 */
- u32 ace_clk_cfg; /* 0x148 */
- u32 lvds_clk_cfg; /* 0x14c */
- u32 hdmi_clk_cfg; /* 0x150 */
- u32 mali_clk_cfg; /* 0x154 */
- u8 res7[0x4];
- u32 mbus_clk_cfg; /* 0x15c */
-} __packed;
-
-void a1x_periph_clock_enable(enum a1x_clken periph);
-void a1x_periph_clock_disable(enum a1x_clken periph);
-
-void a1x_pll5_configure(u8 mul_n, u8 mul_k, u8 div_m, u8 exp_div_p);
-void a1x_pll5_enable_dram_clock_output(void);
-void a1x_ungate_dram_clock_output(void);
-void a1x_gate_dram_clock_output(void);
-
-/* Not available in bootblock */
-void a1x_set_cpu_clock(u16 cpu_clk_mhz);
-
-#endif /* CPU_ALLWINNER_A10_CLOCK_H */
diff --git a/src/cpu/allwinner/a10/cpu.c b/src/cpu/allwinner/a10/cpu.c
deleted file mode 100644
index 09f6766..0000000
--- a/src/cpu/allwinner/a10/cpu.c
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2014 Alexandru Gagniuc <mr.nuke.me@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Ramstage initialization for Allwinner CPUs
- *
- */
-
-#include <device/device.h>
-#include <symbols.h>
-
-static void cpu_enable_resources(struct device *dev)
-{
- ram_resource(dev, 0, (uintptr_t)_dram/KiB,
- CONFIG_DRAM_SIZE_MB << 10);
- /* TODO: Declare CBFS cache as reserved? There's no guarantee we won't
- * overwrite it. It seems to stay intact, being so high in RAM
- */
-}
-
-static void cpu_init(struct device *dev)
-{
- /* TODO: Check if anything else needs to be explicitly initialized */
-}
-
-static struct device_operations cpu_ops = {
- .read_resources = DEVICE_NOOP,
- .set_resources = DEVICE_NOOP,
- .enable_resources = cpu_enable_resources,
- .init = cpu_init,
- .scan_bus = NULL,
-};
-
-static void a1x_cpu_enable_dev(struct device *dev)
-{
- dev->ops = &cpu_ops;
-}
-
-struct chip_operations cpu_allwinner_a10_ops = {
- CHIP_NAME("CPU Allwinner A10")
- .enable_dev = a1x_cpu_enable_dev,
-};
diff --git a/src/cpu/allwinner/a10/dramc.h b/src/cpu/allwinner/a10/dramc.h
deleted file mode 100644
index fe50acd..0000000
--- a/src/cpu/allwinner/a10/dramc.h
+++ /dev/null
@@ -1,187 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2007-2012 Allwinner Technology Co., Ltd.
- * Berg Xing <bergxing@allwinnertech.com>
- * Tom Cubie <tangliang@allwinnertech.com>
- * Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Allwinner A10 platform dram register definition.
- *
- * Based on sun4i Linux kernel sources mach-sunxi/pm/standby/dram*.c
- * and earlier U-Boot Allwiner A10 SPL work
- */
-
-#ifndef CPU_ALLWINNER_A10_DRAMC_H
-#define CPU_ALLWINNER_A10_DRAMC_H
-
-#include <types.h>
-
-#define DRAM_CCR_COMMAND_RATE_1T (0x1 << 5)
-#define DRAM_CCR_DQS_GATE (0x1 << 14)
-#define DRAM_CCR_DQS_DRIFT_COMP (0x1 << 17)
-#define DRAM_CCR_ITM_OFF (0x1 << 28)
-#define DRAM_CCR_DATA_TRAINING (0x1 << 30)
-#define DRAM_CCR_INIT (0x1 << 31)
-
-#define DRAM_MEMORY_TYPE_DDR1 1
-#define DRAM_MEMORY_TYPE_DDR2 2
-#define DRAM_MEMORY_TYPE_DDR3 3
-#define DRAM_MEMORY_TYPE_LPDDR2 4
-#define DRAM_MEMORY_TYPE_LPDDR 5
-#define DRAM_DCR_TYPE (0x1 << 0)
-#define DRAM_DCR_TYPE_DDR2 0x0
-#define DRAM_DCR_TYPE_DDR3 0x1
-#define DRAM_DCR_IO_WIDTH(n) (((n) & 0x3) << 1)
-#define DRAM_DCR_IO_WIDTH_MASK DRAM_DCR_IO_WIDTH(0x3)
-#define DRAM_DCR_IO_WIDTH_8BIT 0x0
-#define DRAM_DCR_IO_WIDTH_16BIT 0x1
-#define DRAM_DCR_CHIP_DENSITY(n) (((n) & 0x7) << 3)
-#define DRAM_DCR_CHIP_DENSITY_MASK DRAM_DCR_CHIP_DENSITY(0x7)
-#define DRAM_DCR_CHIP_DENSITY_256M 0x0
-#define DRAM_DCR_CHIP_DENSITY_512M 0x1
-#define DRAM_DCR_CHIP_DENSITY_1024M 0x2
-#define DRAM_DCR_CHIP_DENSITY_2048M 0x3
-#define DRAM_DCR_CHIP_DENSITY_4096M 0x4
-#define DRAM_DCR_CHIP_DENSITY_8192M 0x5
-#define DRAM_DCR_BUS_WIDTH(n) (((n) & 0x7) << 6)
-#define DRAM_DCR_BUS_WIDTH_MASK DRAM_DCR_BUS_WIDTH(0x7)
-#define DRAM_DCR_BUS_WIDTH_32BIT 0x3
-#define DRAM_DCR_BUS_WIDTH_16BIT 0x1
-#define DRAM_DCR_BUS_WIDTH_8BIT 0x0
-#define DRAM_DCR_NR_DLLCR_32BIT 5
-#define DRAM_DCR_NR_DLLCR_16BIT 3
-#define DRAM_DCR_NR_DLLCR_8BIT 2
-#define DRAM_DCR_RANK_SEL(n) (((n) & 0x3) << 10)
-#define DRAM_DCR_RANK_SEL_MASK DRAM_DCR_CMD_RANK(0x3)
-#define DRAM_DCR_CMD_RANK_ALL (0x1 << 12)
-#define DRAM_DCR_MODE(n) (((n) & 0x3) << 13)
-#define DRAM_DCR_MODE_MASK DRAM_DCR_MODE(0x3)
-#define DRAM_DCR_MODE_SEQ 0x0
-#define DRAM_DCR_MODE_INTERLEAVE 0x1
-
-#define DRAM_CSR_FAILED (0x1 << 20)
-
-#define DRAM_MCR_MODE_NORM(n) (((n) & 0x3) << 0)
-#define DRAM_MCR_MODE_NORM_MASK DRAM_MCR_MOD_NORM(0x3)
-#define DRAM_MCR_MODE_DQ_OUT(n) (((n) & 0x3) << 2)
-#define DRAM_MCR_MODE_DQ_OUT_MASK DRAM_MCR_MODE_DQ_OUT(0x3)
-#define DRAM_MCR_MODE_ADDR_OUT(n) (((n) & 0x3) << 4)
-#define DRAM_MCR_MODE_ADDR_OUT_MASK DRAM_MCR_MODE_ADDR_OUT(0x3)
-#define DRAM_MCR_MODE_DQ_IN_OUT(n) (((n) & 0x3) << 6)
-#define DRAM_MCR_MODE_DQ_IN_OUT_MASK DRAM_MCR_MODE_DQ_IN_OUT(0x3)
-#define DRAM_MCR_MODE_DQ_TURNON_DELAY(n) (((n) & 0x7) << 8)
-#define DRAM_MCR_MODE_DQ_TURNON_DELAY_MASK DRAM_MCR_MODE_DQ_TURNON_DELAY(0x7)
-#define DRAM_MCR_MODE_ADDR_IN (0x1 << 11)
-#define DRAM_MCR_RESET (0x1 << 12)
-#define DRAM_MCR_MODE_EN(n) (((n) & 0x3) << 13)
-#define DRAM_MCR_MODE_EN_MASK DRAM_MCR_MOD_EN(0x3)
-#define DRAM_MCR_DCLK_OUT (0x1 << 16)
-
-#define DRAM_DLLCR_NRESET (0x1 << 30)
-#define DRAM_DLLCR_DISABLE (0x1 << 31)
-
-#define DRAM_ZQCR0_IMP_DIV(n) (((n) & 0xff) << 20)
-#define DRAM_ZQCR0_IMP_DIV_MASK DRAM_ZQCR0_IMP_DIV(0xff)
-
-#define DRAM_IOCR_ODT_EN(n) ((((n) & 0x3) << 30) | ((n) & 0x3) << 0)
-#define DRAM_IOCR_ODT_EN_MASK DRAM_IOCR_ODT_EN(0x3)
-
-#define DRAM_MR_BURST_LENGTH(n) (((n) & 0x7) << 0)
-#define DRAM_MR_BURST_LENGTH_MASK DRAM_MR_BURST_LENGTH(0x7)
-#define DRAM_MR_CAS_LAT(n) (((n) & 0x7) << 4)
-#define DRAM_MR_CAS_LAT_MASK DRAM_MR_CAS_LAT(0x7)
-#define DRAM_MR_WRITE_RECOVERY(n) (((n) & 0x7) << 9)
-#define DRAM_MR_WRITE_RECOVERY_MASK DRAM_MR_WRITE_RECOVERY(0x7)
-#define DRAM_MR_POWER_DOWN (0x1 << 12)
-
-#define DRAM_CSEL_MAGIC 0x16237495
-
-struct a1x_dramc {
- u32 ccr; /* 0x00 controller configuration register */
- u32 dcr; /* 0x04 dram configuration register */
- u32 iocr; /* 0x08 i/o configuration register */
- u32 csr; /* 0x0c controller status register */
- u32 drr; /* 0x10 dram refresh register */
- u32 tpr0; /* 0x14 dram timing parameters register 0 */
- u32 tpr1; /* 0x18 dram timing parameters register 1 */
- u32 tpr2; /* 0x1c dram timing parameters register 2 */
- u32 gdllcr; /* 0x20 global dll control register */
- u8 res0[0x28];
- u32 rslr0; /* 0x4c rank system latency register */
- u32 rslr1; /* 0x50 rank system latency register */
- u8 res1[0x8];
- u32 rdgr0; /* 0x5c rank dqs gating register */
- u32 rdgr1; /* 0x60 rank dqs gating register */
- u8 res2[0x34];
- u32 odtcr; /* 0x98 odt configuration register */
- u32 dtr0; /* 0x9c data training register 0 */
- u32 dtr1; /* 0xa0 data training register 1 */
- u32 dtar; /* 0xa4 data training address register */
- u32 zqcr0; /* 0xa8 zq control register 0 */
- u32 zqcr1; /* 0xac zq control register 1 */
- u32 zqsr; /* 0xb0 zq status register */
- u32 idcr; /* 0xb4 initializaton delay configure reg */
- u8 res3[0x138];
- u32 mr; /* 0x1f0 mode register */
- u32 emr; /* 0x1f4 extended mode register */
- u32 emr2; /* 0x1f8 extended mode register */
- u32 emr3; /* 0x1fc extended mode register */
- u32 dllctr; /* 0x200 dll control register */
- u32 dllcr[5]; /* 0x204 dll control register 0(byte 0) */
- /* 0x208 dll control register 1(byte 1) */
- /* 0x20c dll control register 2(byte 2) */
- /* 0x210 dll control register 3(byte 3) */
- /* 0x214 dll control register 4(byte 4) */
- u32 dqtr0; /* 0x218 dq timing register */
- u32 dqtr1; /* 0x21c dq timing register */
- u32 dqtr2; /* 0x220 dq timing register */
- u32 dqtr3; /* 0x224 dq timing register */
- u32 dqstr; /* 0x228 dqs timing register */
- u32 dqsbtr; /* 0x22c dqsb timing register */
- u32 mcr; /* 0x230 mode configure register */
- u8 res[0x8];
- u32 ppwrsctl; /* 0x23c pad power save control */
- u32 apr; /* 0x240 arbiter period register */
- u32 pldtr; /* 0x244 priority level data threshold reg */
- u8 res5[0x8];
- u32 hpcr[32]; /* 0x250 host port configure register */
- u8 res6[0x10];
- u32 csel; /* 0x2e0 controller select register */
-};
-
-struct dram_para {
- u32 clock;
- u32 type;
- u32 rank_num;
- u32 density;
- u32 io_width;
- u32 bus_width;
- u32 cas;
- u32 zq;
- u32 odt_en;
- u32 size;
- u32 tpr0;
- u32 tpr1;
- u32 tpr2;
- u32 tpr3;
- u32 tpr4;
- u32 tpr5;
- u32 emr1;
- u32 emr2;
- u32 emr3;
-};
-
-unsigned long dramc_init(struct dram_para *para);
-
-#endif /* CPU_ALLWINNER_A10_DRAMC_H */
diff --git a/src/cpu/allwinner/a10/gpio.c b/src/cpu/allwinner/a10/gpio.c
deleted file mode 100644
index 7f6bbd8..0000000
--- a/src/cpu/allwinner/a10/gpio.c
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Basic GPIO helpers for Allwinner CPUs
- */
-
-#include "gpio.h"
-
-#include <device/mmio.h>
-
-static struct a10_gpio *const gpio = (void *)GPIO_BASE;
-
-/**
- * \brief Set a single output pin
- *
- * @param[in] port GPIO port of the pin (GPA -> GPS)
- * @param[in] pin the pin number in the given port (1 -> 31)
- */
-void gpio_set(u8 port, u8 pin)
-{
- u32 reg32;
-
- if ((port > GPS))
- return;
-
- reg32 = gpio_read(port);
- reg32 |= (1 << pin);
- gpio_write(port, reg32);
-}
-
-/**
- * \brief Clear a single output pin
- *
- * @param[in] port GPIO port of the pin (GPA -> GPS)
- * @param[in] pin the pin number in the given port (1 -> 31)
- */
-void gpio_clear(u8 port, u8 pin)
-{
- u32 reg32;
- if ((port > GPS))
- return;
-
- reg32 = gpio_read(port);
- reg32 &= ~(1 << pin);
- gpio_write(port, reg32);
-}
-
-/**
- * \brief Get the status of a single input pin
- *
- * @param[in] port GPIO port of the pin (GPA -> GPS)
- * @param[in] pin the pin number in the given port (1 -> 31)
- * @return 1 if the pin is high, or 0 if the pin is low
- */
-int gpio_get(u8 port, u8 pin)
-{
- if ((port > GPS))
- return 0;
-
- return (gpio_read(port) & (1 << pin)) ? 1 : 0;
-}
-
-/**
- * \brief Write to a GPIO port
- *
- * Write the state of all output pins in the GPIO port. This only affects pins
- * configured as output pins.
- *
- * @param[in] port GPIO port of the pin (GPA -> GPS)
- * @param[in] val 32-bit mask indicating which pins to set. For a set bit, the
- * corresponding pin will be set. Otherwise, it will be cleared
- */
-void gpio_write(u8 port, u32 val)
-{
- if ((port > GPS))
- return;
-
- write32(&gpio->port[port].dat, val);
-}
-
-/**
- * \brief Write to a GPIO port
- *
- * Read the state of all input pins in the GPIO port.
- *
- * @param[in] port GPIO port of the pin (GPA -> GPS)
- * @return 32-bit mask indicating which pins are high. For each set bit, the
- * corresponding pin is high. The value of bits corresponding to pins
- * which are not configured as inputs is undefined.
- */
-u32 gpio_read(u8 port)
-{
- if ((port > GPS))
- return 0;
-
- return read32(&gpio->port[port].dat);
-}
diff --git a/src/cpu/allwinner/a10/gpio.h b/src/cpu/allwinner/a10/gpio.h
deleted file mode 100644
index c05122f..0000000
--- a/src/cpu/allwinner/a10/gpio.h
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License or (at your option)
- * any later version.
- *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Definitions for GPIO and pin multiplexing on Allwinner CPUs
- */
-
-#ifndef __CPU_ALLWINNER_A10_PINMUX_H
-#define __CPU_ALLWINNER_A10_PINMUX_H
-
-#include <types.h>
-
-#define GPIO_BASE 0x01C20800
-
-#define GPA 0
-#define GPB 1
-#define GPC 2
-#define GPD 3
-#define GPE 4
-#define GPF 5
-#define GPG 6
-#define GPH 7
-#define GPI 8
-#define GPS 9
-
-/* GPIO pad functions valid for all pins */
-#define GPIO_PIN_FUNC_INPUT 0
-#define GPIO_PIN_FUNC_OUTPUT 1
-
-struct a10_gpio_port {
- u32 cfg[4];
- u32 dat;
- u32 drv[2];
- u32 pul[2];
-} __packed;
-
-struct a10_gpio {
- struct a10_gpio_port port[10];
- u8 reserved_0x168[0x98];
-
- /* Offset 0x200 */
- u32 int_cfg[4];
-
- u32 int_ctl;
- u32 int_sta;
- u8 reserved_0x21C[4];
- u32 int_deb;
-
- u32 sdr_pad_drv;
- u32 sdr_pad_pul;
-} __packed;
-
-/* gpio.c */
-void gpio_set(u8 port, u8 pin);
-void gpio_clear(u8 port, u8 pin);
-int gpio_get(u8 port, u8 pin);
-void gpio_write(u8 port, u32 val);
-u32 gpio_read(u8 port);
-
-/* pinmux.c */
-void gpio_set_pin_func(u8 port, u8 pin, u8 pad_func);
-void gpio_set_multipin_func(u8 port, u32 pin_mask, u8 pad_func);
-
-#endif /* __CPU_ALLWINNER_A10_PINMUX_H */
diff --git a/src/cpu/allwinner/a10/memmap.h b/src/cpu/allwinner/a10/memmap.h
deleted file mode 100644
index 2c02ec8..0000000
--- a/src/cpu/allwinner/a10/memmap.h
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2007-2011 Allwinner Technology Co., Ltd.
- * Tom Cubie <tangliang@allwinnertech.com>
- * Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Memory map definitions for Allwinner A10 CPUs
- */
-
-#ifndef CPU_ALLWINNER_A10_MEMMAP_H
-#define CPU_ALLWINNER_A10_MEMMAP_H
-
-#define A1X_SRAM_A1_BASE 0x00000000
-#define A1X_SRAM_A1_SIZE (16 * 1024) /* 16 kiB */
-
-#define A1X_SRAM_A2_BASE 0x00004000 /* 16 kiB */
-#define A1X_SRAM_A3_BASE 0x00008000 /* 13 kiB */
-#define A1X_SRAM_A4_BASE 0x0000b400 /* 3 kiB */
-#define A1X_SRAM_D_BASE 0x01c00000
-#define A1X_SRAM_B_BASE 0x01c00000 /* 64 kiB (secure) */
-
-#define A1X_SRAMC_BASE 0x01c00000
-#define A1X_DRAMC_BASE 0x01c01000
-#define A1X_DMA_BASE 0x01c02000
-#define A1X_NFC_BASE 0x01c03000
-#define A1X_TS_BASE 0x01c04000
-#define A1X_SPI0_BASE 0x01c05000
-#define A1X_SPI1_BASE 0x01c06000
-#define A1X_MS_BASE 0x01c07000
-#define A1X_TVD_BASE 0x01c08000
-#define A1X_CSI0_BASE 0x01c09000
-#define A1X_TVE0_BASE 0x01c0a000
-#define A1X_EMAC_BASE 0x01c0b000
-#define A1X_LCD0_BASE 0x01c0C000
-#define A1X_LCD1_BASE 0x01c0d000
-#define A1X_VE_BASE 0x01c0e000
-#define A1X_MMC0_BASE 0x01c0f000
-#define A1X_MMC1_BASE 0x01c10000
-#define A1X_MMC2_BASE 0x01c11000
-#define A1X_MMC3_BASE 0x01c12000
-#define A1X_USB0_BASE 0x01c13000
-#define A1X_USB1_BASE 0x01c14000
-#define A1X_SS_BASE 0x01c15000
-#define A1X_HDMI_BASE 0x01c16000
-#define A1X_SPI2_BASE 0x01c17000
-#define A1X_SATA_BASE 0x01c18000
-#define A1X_PATA_BASE 0x01c19000
-#define A1X_ACE_BASE 0x01c1a000
-#define A1X_TVE1_BASE 0x01c1b000
-#define A1X_USB2_BASE 0x01c1c000
-#define A1X_CSI1_BASE 0x01c1d000
-#define A1X_TZASC_BASE 0x01c1e000
-#define A1X_SPI3_BASE 0x01c1f000
-
-#define A1X_CCM_BASE 0x01c20000
-#define A1X_INTC_BASE 0x01c20400
-#define A1X_PIO_BASE 0x01c20800
-#define A1X_TIMER_BASE 0x01c20c00
-#define A1X_SPDIF_BASE 0x01c21000
-#define A1X_AC97_BASE 0x01c21400
-#define A1X_IR0_BASE 0x01c21800
-#define A1X_IR1_BASE 0x01c21c00
-
-#define A1X_IIS_BASE 0x01c22400
-#define A1X_LRADC_BASE 0x01c22800
-#define A1X_AD_DA_BASE 0x01c22c00
-#define A1X_KEYPAD_BASE 0x01c23000
-#define A1X_TZPC_BASE 0x01c23400
-#define A1X_SID_BASE 0x01c23800
-#define A1X_SJTAG_BASE 0x01c23c00
-
-#define A1X_TP_BASE 0x01c25000
-#define A1X_PMU_BASE 0x01c25400
-#define A1X_CPUCFG_BASE 0x01c25c00 /* sun7i only ? */
-
-#define A1X_UART0_BASE 0x01c28000
-#define A1X_UART1_BASE 0x01c28400
-#define A1X_UART2_BASE 0x01c28800
-#define A1X_UART3_BASE 0x01c28c00
-#define A1X_UART4_BASE 0x01c29000
-#define A1X_UART5_BASE 0x01c29400
-#define A1X_UART6_BASE 0x01c29800
-#define A1X_UART7_BASE 0x01c29c00
-#define A1X_PS2_0_BASE 0x01c2a000
-#define A1X_PS2_1_BASE 0x01c2a400
-
-#define A1X_TWI0_BASE 0x01c2ac00
-#define A1X_TWI1_BASE 0x01c2b000
-#define A1X_TWI2_BASE 0x01c2b400
-
-#define A1X_CAN_BASE 0x01c2bc00
-
-#define A1X_SCR_BASE 0x01c2c400
-
-#define A1X_GPS_BASE 0x01c30000
-#define A1X_MALI400_BASE 0x01c40000
-
-/* module sram */
-#define A1X_SRAM_C_BASE 0x01d00000
-
-#define A1X_DE_FE0_BASE 0x01e00000
-#define A1X_DE_FE1_BASE 0x01e20000
-#define A1X_DE_BE0_BASE 0x01e60000
-#define A1X_DE_BE1_BASE 0x01e40000
-#define A1X_MP_BASE 0x01e80000
-#define A1X_AVG_BASE 0x01ea0000
-
-/* CoreSight Debug Module */
-#define A1X_CSDM_BASE 0x3f500000
-
-#define A1X_DRAM_BASE 0x40000000 /* 2 GiB */
-
-#define A1X_BROM_BASE 0xffff0000 /* 32 kiB */
-
-#define A1X_CPU_CFG (A1X_TIMER_BASE + 0x13c)
-
-#endif /* CPU_ALLWINNER_A10_MEMMAP_H */
diff --git a/src/cpu/allwinner/a10/monotonic_timer.c b/src/cpu/allwinner/a10/monotonic_timer.c
deleted file mode 100644
index 479dee9..0000000
--- a/src/cpu/allwinner/a10/monotonic_timer.c
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the Licenseor (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Placeholder for code to come (needed to complete build)
- *
- */
-
-#include <timer.h>
-
-void timer_monotonic_get(struct mono_time *mt)
-{
- (void)mt;
-}
diff --git a/src/cpu/allwinner/a10/pinmux.c b/src/cpu/allwinner/a10/pinmux.c
deleted file mode 100644
index 3415e4f..0000000
--- a/src/cpu/allwinner/a10/pinmux.c
+++ /dev/null
@@ -1,92 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- *
- * Helpers to multiplex and configure pins on Allwinner SoCs
- *
- */
-
-#include "gpio.h"
-
-#include <device/mmio.h>
-
-static struct a10_gpio *const gpio = (void *)GPIO_BASE;
-
-/**
- * \brief Set the pad function of a single pin
- *
- * @param[in] port GPIO port of the pin (GPA -> GPS)
- * @param[in] pin the pin number in the given port (1 -> 31)
- * @param[in] pad_func The peripheral function to which to connect this pin
- */
-void gpio_set_pin_func(u8 port, u8 pin, u8 pad_func)
-{
- u8 reg, bit;
- u32 reg32;
-
- if ((port > GPS))
- return;
-
- pin &= 0x1f;
- reg = pin / 8;
- bit = (pin % 8) * 4;
-
- reg32 = read32(&gpio->port[port].cfg[reg]);
- reg32 &= ~(0xf << bit);
- reg32 |= (pad_func & 0xf) << bit;
- write32(&gpio->port[port].cfg[reg], reg32);
-}
-
-/**
- * \brief Set the pad function of a group of pins
- *
- * Multiplex a group of pins to the same pad function. This is useful for
- * peripherals that use the same function number for several pins. This function
- * allows those pins to be set with a single call.
- *
- * Example:
- * gpio_set_multipin_func(GPB, (1 << 23) | (1 << 22), 2);
- *
- * @param[in] port GPIO port of the pin (GPA -> GPS)
- * @param[in] pin_mask 32-bit mask indicating which pins to re-multiplex. For
- * each set bit, the corresponding pin will be multiplexed.
- * @param[in] pad_func The peripheral function to which to connect the pins
- */
-void gpio_set_multipin_func(u8 port, u32 pin_mask, u8 pad_func)
-{
- int j;
- u8 reg, bit;
- u32 reg32, mask_offset;
-
- if ((port > GPS))
- return;
-
- for (reg = 0; reg < 4; reg++) {
- mask_offset = 8 * reg;
- /* Don't run the inner loop if we're not touching any pins */
- if (!(pin_mask & (0xff << mask_offset)))
- continue;
-
- reg32 = read32(&gpio->port[port].cfg[reg]);
- for (j = 0; j < 8; j++) {
- if (!(pin_mask & (1 << (j + mask_offset))))
- continue;
- bit = j * 4;
- reg32 &= ~(0xf << bit);
- reg32 |= (pad_func & 0xf) << bit;
- }
- write32(&gpio->port[port].cfg[reg], reg32);
- }
-}
diff --git a/src/cpu/allwinner/a10/ram_segs.h b/src/cpu/allwinner/a10/ram_segs.h
deleted file mode 100644
index fa915cd..0000000
--- a/src/cpu/allwinner/a10/ram_segs.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2014 Alexandru Gagniuc <mr.nuke.me@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- *
- * How we use DRAM on Allwinner CPUs
- */
-
-#include <symbols.h>
-
-/*
- * Put CBMEM at top of RAM
- */
-static inline void *a1x_get_cbmem_top(void)
-{
- return _dram + (CONFIG_DRAM_SIZE_MB << 20);
-}
-
-/*
- * By CBFS cache, we mean a cached copy, in RAM, of the entire CBFS region.
- */
-static inline void *a1x_get_cbfs_cache_top(void)
-{
- /* Arbitrary 16 MiB gap for cbmem tables and bouncebuffer */
- return a1x_get_cbmem_top() - (16 << 20);
-}
-
-static inline void *a1x_get_cbfs_cache_base(void)
-{
- return a1x_get_cbfs_cache_top() - CONFIG_ROM_SIZE;
-}
diff --git a/src/cpu/allwinner/a10/raminit.c b/src/cpu/allwinner/a10/raminit.c
deleted file mode 100644
index 3c18183..0000000
--- a/src/cpu/allwinner/a10/raminit.c
+++ /dev/null
@@ -1,478 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2012 Henrik Nordstrom <henrik@henriknordstrom.net>
- * Copyright (C) 2013 Luke Kenneth Casson Leighton <lkcl@lkcl.net>
- * Copyright (C) 2007-2012 Allwinner Technology Co., Ltd.
- * Berg Xing <bergxing@allwinnertech.com>
- * Tom Cubie <tangliang@allwinnertech.com>
- * Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Allwinner A10 DRAM controller initialization
- *
- * Based on sun4i Linux kernel sources mach-sunxi/pm/standby/dram*.c
- * and earlier U-Boot Allwiner A10 SPL work
- */
-
-#include "clock.h"
-#include "dramc.h"
-#include "memmap.h"
-#include "timer.h"
-
-#include <device/mmio.h>
-#include <delay.h>
-
-static struct a1x_dramc *const dram = (void *)A1X_DRAMC_BASE;
-
-static void mctl_ddr3_reset(void)
-{
- if (a1x_get_cpu_chip_revision() != A1X_CHIP_REV_A) {
- setbits_le32(&dram->mcr, DRAM_MCR_RESET);
- udelay(2);
- clrbits_le32(&dram->mcr, DRAM_MCR_RESET);
- } else {
- clrbits_le32(&dram->mcr, DRAM_MCR_RESET);
- udelay(2);
- setbits_le32(&dram->mcr, DRAM_MCR_RESET);
- }
-}
-
-static void mctl_set_drive(void)
-{
- clrsetbits_le32(&dram->mcr, DRAM_MCR_MODE_NORM(0x3),
- DRAM_MCR_MODE_EN(0x3) | 0xffc);
-}
-
-static void mctl_itm_disable(void)
-{
- clrsetbits_le32(&dram->ccr, DRAM_CCR_INIT, DRAM_CCR_ITM_OFF);
-}
-
-static void mctl_itm_enable(void)
-{
- clrbits_le32(&dram->ccr, DRAM_CCR_ITM_OFF);
-}
-
-static void mctl_enable_dll0(u32 phase)
-{
- clrsetbits_le32(&dram->dllcr[0], 0x3f << 6,
- ((phase >> 16) & 0x3f) << 6);
- clrsetbits_le32(&dram->dllcr[0], DRAM_DLLCR_NRESET, DRAM_DLLCR_DISABLE);
- udelay(2);
-
- clrbits_le32(&dram->dllcr[0], DRAM_DLLCR_NRESET | DRAM_DLLCR_DISABLE);
- udelay(22);
-
- clrsetbits_le32(&dram->dllcr[0], DRAM_DLLCR_DISABLE, DRAM_DLLCR_NRESET);
- udelay(22);
-}
-
-/*
- * Note: This differs from pm/standby in that it checks the bus width
- */
-static void mctl_enable_dllx(u32 phase)
-{
- u32 i, n, bus_width;
-
- bus_width = read32(&dram->dcr);
-
- if ((bus_width & DRAM_DCR_BUS_WIDTH_MASK) ==
- DRAM_DCR_BUS_WIDTH(DRAM_DCR_BUS_WIDTH_32BIT))
- n = DRAM_DCR_NR_DLLCR_32BIT;
- else
- n = DRAM_DCR_NR_DLLCR_16BIT;
-
- for (i = 1; i < n; i++) {
- clrsetbits_le32(&dram->dllcr[i], 0x4 << 14,
- (phase & 0xf) << 14);
- clrsetbits_le32(&dram->dllcr[i], DRAM_DLLCR_NRESET,
- DRAM_DLLCR_DISABLE);
- phase >>= 4;
- }
- udelay(2);
-
- for (i = 1; i < n; i++)
- clrbits_le32(&dram->dllcr[i], DRAM_DLLCR_NRESET |
- DRAM_DLLCR_DISABLE);
- udelay(22);
-
- for (i = 1; i < n; i++)
- clrsetbits_le32(&dram->dllcr[i], DRAM_DLLCR_DISABLE,
- DRAM_DLLCR_NRESET);
- udelay(22);
-}
-
-static u32 hpcr_value[32] = {
- 0x0301, 0x0301, 0x0301, 0x0301,
- 0x0301, 0x0301, 0, 0,
- 0, 0, 0, 0,
- 0, 0, 0, 0,
- 0x1031, 0x1031, 0x0735, 0x1035,
- 0x1035, 0x0731, 0x1031, 0x0735,
- 0x1035, 0x1031, 0x0731, 0x1035,
- 0x1031, 0x0301, 0x0301, 0x0731
-};
-
-static void mctl_configure_hostport(void)
-{
- u32 i;
-
- for (i = 0; i < 32; i++)
- write32(&dram->hpcr[i], hpcr_value[i]);
-}
-
-static void mctl_setup_dram_clock(u32 clk)
-{
- /* setup DRAM PLL */
- a1x_pll5_configure(clk / 24, 2, 2, 1);
-
- /* FIXME: This bit is not documented for A10, and altering it doesn't
- * seem to change anything.
- *
- * #define CCM_PLL5_CTRL_VCO_GAIN (0x1 << 19)
- * reg_val = read32(&ccm->pll5_cfg);
- * reg_val &= ~CCM_PLL5_CTRL_VCO_GAIN; // PLL VCO Gain off
- * write32(reg_val, &ccm->pll5_cfg);
- */
- udelay(5500);
-
- a1x_pll5_enable_dram_clock_output();
-
- /* reset GPS */
- /* FIXME: These bits are also undocumented, and seem to have no effect
- * on A10.
- *
- * #define CCM_GPS_CTRL_RESET (0x1 << 0)
- * #define CCM_GPS_CTRL_GATE (0x1 << 1)
- * clrbits_le32(&ccm->gps_clk_cfg, CCM_GPS_CTRL_RESET | CCM_GPS_CTRL_GATE);
- */
- a1x_periph_clock_enable(A1X_CLKEN_GPS);
- udelay(1);
- a1x_periph_clock_disable(A1X_CLKEN_GPS);
-
- /* setup MBUS clock */
- /* FIXME: The MBUS does not seem to be present or do anything on A10. It
- * is documented in the A13 user manual, but changing settings on A10
- * has no effect.
- *
- * #define CCM_MBUS_CTRL_M(n) (((n) & 0xf) << 0)
- * #define CCM_MBUS_CTRL_M_MASK CCM_MBUS_CTRL_M(0xf)
- * #define CCM_MBUS_CTRL_M_X(n) ((n) - 1)
- * #define CCM_MBUS_CTRL_N(n) (((n) & 0xf) << 16)
- * #define CCM_MBUS_CTRL_N_MASK CCM_MBUS_CTRL_N(0xf)
- * #define CCM_MBUS_CTRL_N_X(n) (((n) >> 3) ? 3 : (((n) >> 2) ? 2 : (((n) >> 1) ? 1 : 0)))
- * #define CCM_MBUS_CTRL_CLK_SRC(n) (((n) & 0x3) << 24)
- * #define CCM_MBUS_CTRL_CLK_SRC_MASK CCM_MBUS_CTRL_CLK_SRC(0x3)
- * #define CCM_MBUS_CTRL_CLK_SRC_HOSC 0x0
- * #define CCM_MBUS_CTRL_CLK_SRC_PLL6 0x1
- * #define CCM_MBUS_CTRL_CLK_SRC_PLL5 0x2
- * #define CCM_MBUS_CTRL_GATE (0x1 << 31)
- * reg_val = CCM_MBUS_CTRL_GATE |
- * CCM_MBUS_CTRL_CLK_SRC(CCM_MBUS_CTRL_CLK_SRC_PLL5) |
- * CCM_MBUS_CTRL_N(CCM_MBUS_CTRL_N_X(1)) |
- * CCM_MBUS_CTRL_M(CCM_MBUS_CTRL_M_X(2));
- * write32(reg_val, &ccm->mbus_clk_cfg);
- */
- /*
- * open DRAMC AHB & DLL register clock
- * close it first
- */
- a1x_periph_clock_disable(A1X_CLKEN_SDRAM);
-
- udelay(22);
-
- /* then open it */
- a1x_periph_clock_enable(A1X_CLKEN_SDRAM);
- udelay(22);
-}
-
-static int dramc_scan_readpipe(void)
-{
- u32 reg32;
-
- /* data training trigger */
- setbits_le32(&dram->ccr, DRAM_CCR_DATA_TRAINING);
-
- /* check whether data training process has completed */
- while (read32(&dram->ccr) & DRAM_CCR_DATA_TRAINING);
-
- /* check data training result */
- reg32 = read32(&dram->csr);
- if (reg32 & DRAM_CSR_FAILED)
- return -1;
-
- return 0;
-}
-
-static int dramc_scan_dll_para(void)
-{
- const u32 dqs_dly[7] = { 0x3, 0x2, 0x1, 0x0, 0xe, 0xd, 0xc };
- const u32 clk_dly[15] = { 0x07, 0x06, 0x05, 0x04, 0x03,
- 0x02, 0x01, 0x00, 0x08, 0x10,
- 0x18, 0x20, 0x28, 0x30, 0x38
- };
- u32 clk_dqs_count[15];
- u32 dqs_i, clk_i, cr_i;
- u32 max_val, min_val;
- u32 dqs_index, clk_index;
-
- /* Find DQS_DLY Pass Count for every CLK_DLY */
- for (clk_i = 0; clk_i < 15; clk_i++) {
- clk_dqs_count[clk_i] = 0;
- clrsetbits_le32(&dram->dllcr[0], 0x3f << 6,
- (clk_dly[clk_i] & 0x3f) << 6);
- for (dqs_i = 0; dqs_i < 7; dqs_i++) {
- for (cr_i = 1; cr_i < 5; cr_i++) {
- clrsetbits_le32(&dram->dllcr[cr_i],
- 0x4f << 14,
- (dqs_dly[dqs_i] & 0x4f) << 14);
- }
- udelay(2);
- if (dramc_scan_readpipe() == 0)
- clk_dqs_count[clk_i]++;
- }
- }
- /* Test DQS_DLY Pass Count for every CLK_DLY from up to down */
- for (dqs_i = 15; dqs_i > 0; dqs_i--) {
- max_val = 15;
- min_val = 15;
- for (clk_i = 0; clk_i < 15; clk_i++) {
- if (clk_dqs_count[clk_i] == dqs_i) {
- max_val = clk_i;
- if (min_val == 15)
- min_val = clk_i;
- }
- }
- if (max_val < 15)
- break;
- }
-
- /* Check if Find a CLK_DLY failed */
- if (!dqs_i)
- goto fail;
-
- /* Find the middle index of CLK_DLY */
- clk_index = (max_val + min_val) >> 1;
- if ((max_val == (15 - 1)) && (min_val > 0))
- /* if CLK_DLY[MCTL_CLK_DLY_COUNT] is very good, then the middle
- * value can be more close to the max_val
- */
- clk_index = (15 + clk_index) >> 1;
- else if ((max_val < (15 - 1)) && (min_val == 0))
- /* if CLK_DLY[0] is very good, then the middle value can be more
- * close to the min_val
- */
- clk_index >>= 1;
- if (clk_dqs_count[clk_index] < dqs_i)
- clk_index = min_val;
-
- /* Find the middle index of DQS_DLY for the CLK_DLY got above, and Scan
- * read pipe again
- */
- clrsetbits_le32(&dram->dllcr[0], 0x3f << 6,
- (clk_dly[clk_index] & 0x3f) << 6);
- max_val = 7;
- min_val = 7;
- for (dqs_i = 0; dqs_i < 7; dqs_i++) {
- clk_dqs_count[dqs_i] = 0;
- for (cr_i = 1; cr_i < 5; cr_i++) {
- clrsetbits_le32(&dram->dllcr[cr_i],
- 0x4f << 14,
- (dqs_dly[dqs_i] & 0x4f) << 14);
- }
- udelay(2);
- if (dramc_scan_readpipe() == 0) {
- clk_dqs_count[dqs_i] = 1;
- max_val = dqs_i;
- if (min_val == 7)
- min_val = dqs_i;
- }
- }
-
- if (max_val < 7) {
- dqs_index = (max_val + min_val) >> 1;
- if ((max_val == (7 - 1)) && (min_val > 0))
- dqs_index = (7 + dqs_index) >> 1;
- else if ((max_val < (7 - 1)) && (min_val == 0))
- dqs_index >>= 1;
- if (!clk_dqs_count[dqs_index])
- dqs_index = min_val;
- for (cr_i = 1; cr_i < 5; cr_i++) {
- clrsetbits_le32(&dram->dllcr[cr_i],
- 0x4f << 14,
- (dqs_dly[dqs_index] & 0x4f) << 14);
- }
- udelay(2);
- return dramc_scan_readpipe();
- }
-
-fail:
- clrbits_le32(&dram->dllcr[0], 0x3f << 6);
- for (cr_i = 1; cr_i < 5; cr_i++)
- clrbits_le32(&dram->dllcr[cr_i], 0x4f << 14);
- udelay(2);
-
- return dramc_scan_readpipe();
-}
-
-static void dramc_set_autorefresh_cycle(u32 clk)
-{
- u32 reg32;
- u32 tmp_val;
- u32 reg_dcr;
-
- if (clk < 600) {
- reg_dcr = read32(&dram->dcr);
- if ((reg_dcr & DRAM_DCR_CHIP_DENSITY_MASK) <=
- DRAM_DCR_CHIP_DENSITY(DRAM_DCR_CHIP_DENSITY_1024M))
- reg32 = (131 * clk) >> 10;
- else
- reg32 = (336 * clk) >> 10;
-
- tmp_val = (7987 * clk) >> 10;
- tmp_val = tmp_val * 9 - 200;
- reg32 |= tmp_val << 8;
- reg32 |= 0x8 << 24;
- write32(&dram->drr, reg32);
- } else {
- write32(&dram->drr, 0x0);
- }
-}
-
-unsigned long dramc_init(struct dram_para *para)
-{
- u32 reg32;
- int ret_val;
-
- /* check input dram parameter structure */
- if (!para)
- return 0;
-
- /* setup DRAM relative clock */
- mctl_setup_dram_clock(para->clock);
-
- /* reset external DRAM */
- mctl_ddr3_reset();
-
- mctl_set_drive();
-
- /* dram clock off */
- a1x_gate_dram_clock_output();
-
- /* select dram controller 1 */
- write32(&dram->csel, DRAM_CSEL_MAGIC);
-
- mctl_itm_disable();
- mctl_enable_dll0(para->tpr3);
-
- /* configure external DRAM */
- reg32 = 0x0;
- if (para->type == DRAM_MEMORY_TYPE_DDR3)
- reg32 |= DRAM_DCR_TYPE_DDR3;
- reg32 |= DRAM_DCR_IO_WIDTH(para->io_width >> 3);
-
- if (para->density == 256)
- reg32 |= DRAM_DCR_CHIP_DENSITY(DRAM_DCR_CHIP_DENSITY_256M);
- else if (para->density == 512)
- reg32 |= DRAM_DCR_CHIP_DENSITY(DRAM_DCR_CHIP_DENSITY_512M);
- else if (para->density == 1024)
- reg32 |= DRAM_DCR_CHIP_DENSITY(DRAM_DCR_CHIP_DENSITY_1024M);
- else if (para->density == 2048)
- reg32 |= DRAM_DCR_CHIP_DENSITY(DRAM_DCR_CHIP_DENSITY_2048M);
- else if (para->density == 4096)
- reg32 |= DRAM_DCR_CHIP_DENSITY(DRAM_DCR_CHIP_DENSITY_4096M);
- else if (para->density == 8192)
- reg32 |= DRAM_DCR_CHIP_DENSITY(DRAM_DCR_CHIP_DENSITY_8192M);
- else
- reg32 |= DRAM_DCR_CHIP_DENSITY(DRAM_DCR_CHIP_DENSITY_256M);
-
- reg32 |= DRAM_DCR_BUS_WIDTH((para->bus_width >> 3) - 1);
- reg32 |= DRAM_DCR_RANK_SEL(para->rank_num - 1);
- reg32 |= DRAM_DCR_CMD_RANK_ALL;
- reg32 |= DRAM_DCR_MODE(DRAM_DCR_MODE_INTERLEAVE);
- write32(&dram->dcr, reg32);
-
- /* dram clock on */
- a1x_ungate_dram_clock_output();
-
- udelay(1);
-
- while (read32(&dram->ccr) & DRAM_CCR_INIT);
-
- mctl_enable_dllx(para->tpr3);
-
- /* set odt impendance divide ratio */
- reg32 = ((para->zq) >> 8) & 0xfffff;
- reg32 |= ((para->zq) & 0xff) << 20;
- reg32 |= (para->zq) & 0xf0000000;
- write32(&dram->zqcr0, reg32);
-
- /* set I/O configure register */
- reg32 = 0x00cc0000;
- reg32 |= (para->odt_en) & 0x3;
- reg32 |= ((para->odt_en) & 0x3) << 30;
- write32(&dram->iocr, reg32);
-
- /* set refresh period */
- dramc_set_autorefresh_cycle(para->clock);
-
- /* set timing parameters */
- write32(&dram->tpr0, para->tpr0);
- write32(&dram->tpr1, para->tpr1);
- write32(&dram->tpr2, para->tpr2);
-
- if (para->type == DRAM_MEMORY_TYPE_DDR3) {
- reg32 = DRAM_MR_BURST_LENGTH(0x0);
- reg32 |= DRAM_MR_CAS_LAT(para->cas - 4);
- reg32 |= DRAM_MR_WRITE_RECOVERY(0x5);
- } else if (para->type == DRAM_MEMORY_TYPE_DDR2) {
- reg32 = DRAM_MR_BURST_LENGTH(0x2);
- reg32 |= DRAM_MR_CAS_LAT(para->cas);
- reg32 |= DRAM_MR_WRITE_RECOVERY(0x5);
- }
- write32(&dram->mr, reg32);
-
- write32(&dram->emr, para->emr1);
- write32(&dram->emr2, para->emr2);
- write32(&dram->emr3, para->emr3);
-
- /* set DQS window mode */
- clrsetbits_le32(&dram->ccr, DRAM_CCR_DQS_DRIFT_COMP, DRAM_CCR_DQS_GATE);
-
- /* reset external DRAM */
- setbits_le32(&dram->ccr, DRAM_CCR_INIT);
- while (read32(&dram->ccr) & DRAM_CCR_INIT);
-
- /* scan read pipe value */
- mctl_itm_enable();
- if (para->tpr3 & (0x1 << 31)) {
- ret_val = dramc_scan_dll_para();
- if (ret_val == 0)
- para->tpr3 =
- (((read32(&dram->dllcr[0]) >> 6) & 0x3f) << 16) |
- (((read32(&dram->dllcr[1]) >> 14) & 0xf) << 0) |
- (((read32(&dram->dllcr[2]) >> 14) & 0xf) << 4) |
- (((read32(&dram->dllcr[3]) >> 14) & 0xf) << 8) |
- (((read32(&dram->dllcr[4]) >> 14) & 0xf) << 12);
- } else {
- ret_val = dramc_scan_readpipe();
- }
-
- if (ret_val < 0)
- return 0;
-
- /* configure all host port */
- mctl_configure_hostport();
-
- return para->size;
-}
diff --git a/src/cpu/allwinner/a10/timer.c b/src/cpu/allwinner/a10/timer.c
deleted file mode 100644
index 87228a0..0000000
--- a/src/cpu/allwinner/a10/timer.c
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Timer control and delays for Allwinner CPUs
- *
- */
-
-#include <device/mmio.h>
-#include <delay.h>
-
-#include "timer.h"
-
-struct a1x_timer_module *const timer_module = (void *)A1X_TIMER_BASE;
-struct a1x_timer *const tmr0 =
- &((struct a1x_timer_module *)A1X_TIMER_BASE)->timer[0];
-
-static inline u32 read_timer(void)
-{
- return read32(&tmr0->val);
-}
-
-void init_timer(void)
-{
- u32 reg32;
- /* Load the timer rollover value */
- write32(&tmr0->interval, 0xffffffff);
- /* Configure the timer to run from 24MHz oscillator, no prescaler */
- reg32 = TIMER_CTRL_PRESC_DIV_EXP(0);
- reg32 |= TIMER_CTRL_CLK_SRC_OSC24M;
- reg32 |= TIMER_CTRL_RELOAD;
- reg32 |= TIMER_CTRL_TMR_EN;
- write32(&tmr0->ctrl, reg32);
-}
-
-void udelay(unsigned usec)
-{
- u32 curr_tick, last_tick;
- s32 ticks_left;
-
- last_tick = read_timer();
- /* 24 timer ticks per microsecond (24 MHz, divided by 1) */
- ticks_left = usec * 24;
-
- /* FIXME: Should we consider timer rollover?
- * From when we start the timer, we have almost three minutes before it
- * rolls over, so we should be long into having booted our payload.
- */
- while (ticks_left > 0) {
- curr_tick = read_timer();
- /* Timer value decreases with each tick */
- ticks_left -= last_tick - curr_tick;
- last_tick = curr_tick;
- }
-
-}
-
-/*
- * This function has nothing to do with timers; however, the chip revision
- * register is in the timer module, so keep this function here.
- */
-u8 a1x_get_cpu_chip_revision(void)
-{
- write32(&timer_module->cpu_cfg, 0);
- return (read32(&timer_module->cpu_cfg) >> 6) & 0x3;
-}
diff --git a/src/cpu/allwinner/a10/timer.h b/src/cpu/allwinner/a10/timer.h
deleted file mode 100644
index b7658da..0000000
--- a/src/cpu/allwinner/a10/timer.h
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2007-2011 Allwinner Technology Co., Ltd.
- * Tom Cubie <tangliang@allwinnertech.com>
- * Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License or (at your option)
- * any later version
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Definitions for timer control on Allwinner CPUs
- */
-
-#ifndef CPU_ALLWINNER_A10_TIMER_H
-#define CPU_ALLWINNER_A10_TIMER_H
-
-#include "memmap.h"
-#include <types.h>
-
-/* TMRx_CTRL values */
-#define TIMER_CTRL_MODE_SINGLE (1 << 7)
-#define TIMER_CTRL_PRESC_MASK (0x7 << 4)
-#define TIMER_CTRL_PRESC_DIV_EXP(ep) ((ep << 4) & TIMER_CTRL_PRESC_MASK)
-#define TIMER_CTRL_CLK_SRC_MASK (0x3 << 2)
-#define TIMER_CTRL_CLK_SRC_LOSC (0x0 << 2)
-#define TIMER_CTRL_CLK_SRC_OSC24M (0x1 << 2)
-#define TIMER_CTRL_CLK_SRC_PLL6 (0x2 << 2)
-#define TIMER_CTRL_RELOAD (1 << 1)
-#define TIMER_CTRL_TMR_EN (1 << 0)
-
-/* Chip revision definitions (found in CPU_CFG register) */
-#define A1X_CHIP_REV_A 0x0
-#define A1X_CHIP_REV_C1 0x1
-#define A1X_CHIP_REV_C2 0x2
-#define A1X_CHIP_REV_B 0x3
-
-
-/* General purpose timer */
-struct a1x_timer {
- u32 ctrl;
- u32 interval;
- u32 val;
- u8 res[4];
-} __packed;
-
-/* Audio video sync*/
-struct a1x_avs {
- u32 ctrl; /* 0x80 */
- u32 cnt0; /* 0x84 */
- u32 cnt1; /* 0x88 */
- u32 div; /* 0x8c */
-} __packed;
-
-/* Watchdog */
-struct a1x_wdog {
- u32 ctrl; /* 0x90 */
- u32 mode; /* 0x94 */
-} __packed;
-
-/* 64 bit counter */
-struct a1x_64cnt {
- u32 ctrl; /* 0xa0 */
- u32 lo; /* 0xa4 */
- u32 hi; /* 0xa8 */
-} __packed;
-
-/* Rtc */
-struct a1x_rtc {
- u32 ctrl; /* 0x100 */
- u32 yymmdd; /* 0x104 */
- u32 hhmmss; /* 0x108 */
-} __packed;
-
-/* Alarm */
-struct a1x_alarm {
- u32 ddhhmmss; /* 0x10c */
- u32 hhmmss; /* 0x110 */
- u32 en; /* 0x114 */
- u32 irq_en; /* 0x118 */
- u32 irq_sta; /* 0x11c */
-} __packed;
-
-struct a1x_timer_module {
- u32 irq_en; /* 0x00 */
- u32 irq_sta; /* 0x04 */
- u8 res1[8];
- struct a1x_timer timer[6]; /* We have 6 timers */
- u8 res2[16];
- struct a1x_avs avs;
- struct a1x_wdog wdog;
- u8 res3[8];
- struct a1x_64cnt cnt64;
- u8 res4[0x58];
- struct a1x_rtc rtc;
- struct a1x_alarm alarm;
- u32 gp_data[4];
- u8 res5[8];
- u32 cpu_cfg;
-} __packed;
-
-u8 a1x_get_cpu_chip_revision(void);
-
-#endif /* CPU_ALLWINNER_A10_TIMER_H */
diff --git a/src/cpu/allwinner/a10/twi.c b/src/cpu/allwinner/a10/twi.c
deleted file mode 100644
index 6e7f9e2..0000000
--- a/src/cpu/allwinner/a10/twi.c
+++ /dev/null
@@ -1,216 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2012 Henrik Nordstrom <henrik@henriknordstrom.net>
- * Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Setup helpers for Two Wire Interface (TWI) (I2C) Allwinner CPUs
- *
- * Only functionality for I2C master is provided.
- * Largely based on the uboot-sunxi code.
- */
-
-#include "memmap.h"
-#include "twi.h"
-
-#include <device/mmio.h>
-#include <delay.h>
-#include <device/i2c_simple.h>
-
-#define TWI_BASE(n) (A1X_TWI0_BASE + 0x400 * (n))
-
-#define TWI_TIMEOUT (50 * 1000)
-
-static u8 is_busy(struct a1x_twi *twi)
-{
- return (read32(&twi->stat) != TWI_STAT_IDLE);
-}
-
-static enum cb_err wait_until_idle(struct a1x_twi *twi)
-{
- u32 i = TWI_TIMEOUT;
- while (i-- && is_busy((twi)))
- udelay(1);
- return i ? CB_SUCCESS : CB_ERR;
-}
-
-/* FIXME: This function is basic, and unintelligent */
-static void configure_clock(struct a1x_twi *twi, u32 speed_hz)
-{
- /* FIXME: We assume clock is 24MHz, which may not be the case */
- u32 apb_clk = 24000000, m, n;
-
- /* Pre-divide the clock by 8 */
- n = 3;
- m = (apb_clk >> n) / speed_hz;
- write32(&twi->clk, TWI_CLK_M(m) | TWI_CLK_N(n));
-}
-
-void a1x_twi_init(u8 bus, u32 speed_hz)
-{
- u32 i = TWI_TIMEOUT;
- struct a1x_twi *twi = (void *)TWI_BASE(bus);
-
- configure_clock(twi, speed_hz);
-
- /* Enable the I2C bus */
- write32(&twi->ctl, TWI_CTL_BUS_EN);
- /* Issue soft reset */
- write32(&twi->reset, 1);
-
- while (i-- && read32(&twi->reset))
- udelay(1);
-}
-
-static void clear_interrupt_flag(struct a1x_twi *twi)
-{
- write32(&twi->ctl, read32(&twi->ctl) & ~TWI_CTL_INT_FLAG);
-}
-
-static void i2c_send_data(struct a1x_twi *twi, u8 data)
-{
- write32(&twi->data, data);
- clear_interrupt_flag(twi);
-}
-
-static enum twi_status wait_for_status(struct a1x_twi *twi)
-{
- u32 i = TWI_TIMEOUT;
- /* Wait until interrupt is asserted again */
- while (i-- && !(read32(&twi->ctl) & TWI_CTL_INT_FLAG))
- udelay(1);
- /* A timeout here most likely indicates a bus error */
- return i ? read32(&twi->stat) : TWI_STAT_BUS_ERROR;
-}
-
-static void i2c_send_start(struct a1x_twi *twi)
-{
- u32 reg32, i;
-
- /* Send START condition */
- reg32 = read32(&twi->ctl);
- reg32 &= ~TWI_CTL_INT_FLAG;
- reg32 |= TWI_CTL_M_START;
- write32(&twi->ctl, reg32);
-
- /* M_START is automatically cleared after condition is transmitted */
- i = TWI_TIMEOUT;
- while (i-- && (read32(&twi->ctl) & TWI_CTL_M_START))
- udelay(1);
-}
-
-static void i2c_send_stop(struct a1x_twi *twi)
-{
- u32 reg32;
-
- /* Send STOP condition */
- reg32 = read32(&twi->ctl);
- reg32 &= ~TWI_CTL_INT_FLAG;
- reg32 |= TWI_CTL_M_STOP;
- write32(&twi->ctl, reg32);
-}
-
-static int i2c_read(struct a1x_twi *twi, uint8_t chip,
- uint8_t *buf, size_t len)
-{
- unsigned count = len;
- enum twi_status expected_status;
-
- /* Send restart for read */
- i2c_send_start(twi);
- if (wait_for_status(twi) != TWI_STAT_TX_RSTART)
- return CB_ERR;
-
- /* Send chip address */
- i2c_send_data(twi, chip << 1 | 1);
- if (wait_for_status(twi) != TWI_STAT_TX_AR_ACK)
- return CB_ERR;
-
- /* Start ACK-ing received data */
- setbits_le32(&twi->ctl, TWI_CTL_A_ACK);
- expected_status = TWI_STAT_RXD_ACK;
-
- /* Read data */
- while (count > 0) {
- if (count == 1) {
- /* Do not ACK the last byte */
- clrbits_le32(&twi->ctl, TWI_CTL_A_ACK);
- expected_status = TWI_STAT_RXD_NAK;
- }
-
- clear_interrupt_flag(twi);
-
- if (wait_for_status(twi) != expected_status)
- return CB_ERR;
-
- *buf++ = read32(&twi->data);
- count--;
- }
-
- return len;
-}
-
-static int i2c_write(struct a1x_twi *twi, uint8_t chip,
- const uint8_t *buf, size_t len)
-{
- size_t count = len;
-
- i2c_send_start(twi);
- if (wait_for_status(twi) != TWI_STAT_TX_START)
- return CB_ERR;
-
- /* Send chip address */
- i2c_send_data(twi, chip << 1);
- if (wait_for_status(twi) != TWI_STAT_TX_AW_ACK)
- return CB_ERR;
-
- /* Send data */
- while (count > 0) {
- i2c_send_data(twi, *buf++);
- if (wait_for_status(twi) != TWI_STAT_TXD_ACK)
- return CB_ERR;
- count--;
- }
-
- return len;
-}
-
-int platform_i2c_transfer(unsigned bus, struct i2c_msg *segments, int count)
-{
- int i, ret = CB_SUCCESS;
- struct i2c_msg *seg = segments;
- struct a1x_twi *twi = (void *)TWI_BASE(bus);
-
-
- if (wait_until_idle(twi) != CB_SUCCESS)
- return CB_ERR;
-
- for (i = 0; i < count; i++) {
- seg = segments + i;
-
- if (seg->flags & I2C_M_RD) {
- ret = i2c_read(twi, seg->slave, seg->buf, seg->len);
- if (ret < 0)
- break;
- } else {
- ret = i2c_write(twi, seg->slave, seg->buf, seg->len);
- if (ret < 0)
- break;
- }
- }
-
- /* Don't worry about the status. STOP is on a best-effort basis */
- i2c_send_stop(twi);
-
- return ret;
-}
diff --git a/src/cpu/allwinner/a10/twi.h b/src/cpu/allwinner/a10/twi.h
deleted file mode 100644
index 833b1dc..0000000
--- a/src/cpu/allwinner/a10/twi.h
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Definitions Two Wire Interface (TWI) (I2C) Allwinner CPUs
- */
-
-#ifndef CPU_ALLWINNER_A10_TWI_H
-#define CPU_ALLWINNER_A10_TWI_H
-
-#include <types.h>
-
-/* TWI_CTL values */
-#define TWI_CTL_INT_EN (1 << 7)
-#define TWI_CTL_BUS_EN (1 << 6)
-#define TWI_CTL_M_START (1 << 5)
-#define TWI_CTL_M_STOP (1 << 4)
-#define TWI_CTL_INT_FLAG (1 << 3)
-#define TWI_CTL_A_ACK (1 << 2)
-
-/* TWI_STAT values */
-enum twi_status {
- TWI_STAT_BUS_ERROR = 0x00, /**< Bus error */
- TWI_STAT_TX_START = 0x08, /**< START sent */
- TWI_STAT_TX_RSTART = 0x10, /**< Repeated START sent */
- TWI_STAT_TX_AW_ACK = 0x18, /**< Sent address+read, ACK */
- TWI_STAT_TX_AW_NAK = 0x20, /**< Sent address+read, NAK */
- TWI_STAT_TXD_ACK = 0x28, /**< Sent data, got ACK */
- TWI_STAT_TXD_NAK = 0x30, /**< Sent data, no ACK */
- TWI_STAT_LOST_ARB = 0x38, /**< Lost arbitration */
- TWI_STAT_TX_AR_ACK = 0x40, /**< Sent address+write, ACK */
- TWI_STAT_TX_AR_NAK = 0x48, /**< Sent address+write, NAK */
- TWI_STAT_RXD_ACK = 0x50, /**< Got data, sent ACK */
- TWI_STAT_RXD_NAK = 0x58, /**< Got data, no ACK */
- TWI_STAT_IDLE = 0xf8, /**< Bus idle*/
-};
-
-/* TWI_CLK values */
-#define TWI_CLK_M_MASK (0xf << 3)
-#define TWI_CLK_M(m) (((m - 1) << 3) & TWI_CLK_M_MASK)
-#define TWI_CLK_N_MASK (0x7 << 0)
-#define TWI_CLK_N(n) ((n) & TWI_CLK_N_MASK)
-
-struct a1x_twi {
- u32 addr; /**< 0x00: Slave address */
- u32 xaddr; /**< 0x04: Extended slave address */
- u32 data; /**< 0x08: Data byte */
- u32 ctl; /**< 0x0C: Control register */
- u32 stat; /**< 0x10: Status register */
- u32 clk; /**< 0x14: Clock control register */
- u32 reset; /**< 0x18: Software reset */
- u32 efr; /**< 0x1C: Enhanced Feature register */
- u32 lcr; /**< 0x20: Line control register */
-};
-
-void a1x_twi_init(u8 bus, u32 speed_hz);
-
-#endif /* CPU_ALLWINNER_A10_TWI_H */
diff --git a/src/cpu/allwinner/a10/uart.c b/src/cpu/allwinner/a10/uart.c
deleted file mode 100644
index c721a67..0000000
--- a/src/cpu/allwinner/a10/uart.c
+++ /dev/null
@@ -1,125 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Uart setup helpers for Allwinner SoCs
- *
- *
- */
-
-#include "uart.h"
-#include <device/mmio.h>
-#include <console/uart.h>
-#include <drivers/uart/uart8250reg.h>
-
-/**
- * \brief Configure line control settings for UART
- */
-static void a10_uart_configure(struct a10_uart *uart, u32 baud_rate, u8 data_bits,
- enum uart_parity parity, u8 stop_bits)
-{
- u32 reg32;
- u16 div;
-
- div = (u16) uart_baudrate_divisor(baud_rate,
- uart_platform_refclk(), 16);
- /* Enable access to Divisor Latch register */
- write32(&uart->lcr, UART8250_LCR_DLAB);
- /* Set baudrate */
- write32(&uart->dlh, (div >> 8) & 0xff);
- write32(&uart->dll, div & 0xff);
- /* Set line control */
- reg32 = (data_bits - 5) & UART8250_LCR_WLS_MSK;
- switch (parity) {
- case UART_PARITY_ODD:
- reg32 |= UART8250_LCR_PEN;
- break;
- case UART_PARITY_EVEN:
- reg32 |= UART8250_LCR_PEN;
- reg32 |= UART8250_LCR_EPS;
- break;
- case UART_PARITY_NONE: /* Fall through */
- default:
- break;
- }
- write32(&uart->lcr, reg32);
-}
-
-static void a10_uart_enable_fifos(struct a10_uart *uart)
-{
- write32(&uart->fcr, UART8250_FCR_FIFO_EN);
-}
-
-static int tx_fifo_full(struct a10_uart *uart)
-{
- /* This may be a misnomer, or a typo in the datasheet. THRE indicates
- * that the TX register is empty, not that the FIFO is not full, but
- * this may be due to a datasheet typo. Keep the current name to signal
- * intent. */
- return !(read32(&uart->lsr) & UART8250_LSR_THRE);
-}
-
-static int rx_fifo_empty(struct a10_uart *uart)
-{
- return !(read32(&uart->lsr) & UART8250_LSR_DR);
-}
-
-/**
- * \brief Read a single byte from the UART.
- *
- * Blocks until at least a byte is available.
- */
-static u8 a10_uart_rx_blocking(struct a10_uart *uart)
-{
- while (rx_fifo_empty(uart));
-
- return read32(&uart->rbr);
-}
-
-/**
- * \brief Write a single byte to the UART.
- *
- * Blocks until there is space in the FIFO.
- */
-static void a10_uart_tx_blocking(struct a10_uart *uart, u8 data)
-{
- while (tx_fifo_full(uart));
-
- return write32(&uart->thr, data);
-}
-
-
-void uart_init(int idx)
-{
- struct a10_uart *uart_base = uart_platform_baseptr(idx);
-
- /* Use default 8N1 encoding */
- a10_uart_configure(uart_base, get_uart_baudrate(),
- 8, UART_PARITY_NONE, 1);
- a10_uart_enable_fifos(uart_base);
-}
-
-unsigned char uart_rx_byte(int idx)
-{
- return a10_uart_rx_blocking(uart_platform_baseptr(idx));
-}
-
-void uart_tx_byte(int idx, unsigned char data)
-{
- a10_uart_tx_blocking(uart_platform_baseptr(idx), data);
-}
-
-void uart_tx_flush(int idx)
-{
-}
diff --git a/src/cpu/allwinner/a10/uart.h b/src/cpu/allwinner/a10/uart.h
deleted file mode 100644
index a57fc9c..0000000
--- a/src/cpu/allwinner/a10/uart.h
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Definitions for UART on Allwinner CPUs
- *
- * The UART on the A10 seems to be 8250-compatible, however, this has not been
- * verified. Our 8250mem code is specific to x86, and does not yet work, so we
- * have to re-implement it ARM-style for the time being. The register
- * definitions are present in <uart7250.h>, and are not redefined here.
- *
- */
-
-#ifndef CPU_ALLWINNER_A10_UART_H
-#define CPU_ALLWINNER_A10_UART_H
-
-#include <types.h>
-
-struct a10_uart {
- union {
- /* operational mode */
- u32 rbr; /* receiver buffer (read) */
- u32 thr; /* transmit holding (write) */
- /* config mode (DLAB set) */
- u32 dll; /* divisor latches low */
- };
-
- union {
- /* operational mode */
- u32 ier; /* interrupt enable */
- /* config mode (DLAB set) */
- u32 dlh; /* divisor latches high */
- };
-
- union {
- u32 iir; /* interrupt ID (read) */
- u32 fcr; /* FIFO control (write) */
- };
-
- u32 lcr; /* line control */
-
- /* 0x10 */
- u32 mcr; /* modem control */
- u32 lsr; /* line status, read-only */
- u32 msr; /* modem status */
- u32 sch; /* scratch register */
-
- u8 reserved_0x20[0x50];
-
- /* 0x70 */
- u8 reserved_0x70[0xc];
- u32 usr; /* UART status register */
-
- /* 0x80 */
- u32 tfl; /* Transmit FIFO level */
- u32 rfl; /* Receive FIFO level */
- u8 reserved_0x88[0x18];
-
- /* 0xa0 */
- u8 reserved_0xa0[4];
- u32 halt; /* Halt register */
-
-} __packed;
-
-enum uart_parity {
- UART_PARITY_NONE,
- UART_PARITY_EVEN,
- UART_PARITY_ODD,
-};
-
-#endif /* CPU_ALLWINNER_A10_UART_H */
diff --git a/src/cpu/allwinner/a10/uart_console.c b/src/cpu/allwinner/a10/uart_console.c
deleted file mode 100644
index 363a41a..0000000
--- a/src/cpu/allwinner/a10/uart_console.c
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright 2013 Google Inc.
- * Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Glue to UART code to enable serial console
- */
-
-#include <types.h>
-#include <console/uart.h>
-#include <boot/coreboot_tables.h>
-
-#include "memmap.h"
-
-uintptr_t uart_platform_base(int idx)
-{
- /* UART blocks are mapped 0x400 bytes apart */
- if (idx < 8)
- return A1X_UART0_BASE + 0x400 * idx;
- else
- return 0;
-}
-
-/* FIXME: We assume clock is 24MHz, which may not be the case. */
-unsigned int uart_platform_refclk(void)
-{
- return 24000000;
-}
-
-#ifndef __PRE_RAM__
-void uart_fill_lb(void *data)
-{
- struct lb_serial serial;
- serial.type = LB_SERIAL_TYPE_MEMORY_MAPPED;
- serial.baseaddr = uart_platform_base(CONFIG_UART_FOR_CONSOLE);
- serial.baud = get_uart_baudrate();
- serial.regwidth = 1;
- serial.input_hertz = uart_platform_refclk();
- serial.uart_pci_addr = 0;
- lb_add_serial(&serial, data);
-
- lb_add_console(LB_TAG_CONSOLE_SERIAL8250MEM, data);
-}
-#endif
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