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-rw-r--r--arch/arm/cpu/arm926ejs/pantheon/Makefile9
-rw-r--r--arch/arm/cpu/arm926ejs/pantheon/cpu.c85
-rw-r--r--arch/arm/cpu/arm926ejs/pantheon/dram.c117
-rw-r--r--arch/arm/cpu/arm926ejs/pantheon/timer.c201
4 files changed, 0 insertions, 412 deletions
diff --git a/arch/arm/cpu/arm926ejs/pantheon/Makefile b/arch/arm/cpu/arm926ejs/pantheon/Makefile
deleted file mode 100644
index 988341f8fb..0000000000
--- a/arch/arm/cpu/arm926ejs/pantheon/Makefile
+++ /dev/null
@@ -1,9 +0,0 @@
-#
-# (C) Copyright 2011
-# Marvell Semiconductor <www.marvell.com>
-# Written-by: Lei Wen <leiwen@marvell.com>
-#
-# SPDX-License-Identifier: GPL-2.0+
-#
-
-obj-y = cpu.o timer.o dram.o
diff --git a/arch/arm/cpu/arm926ejs/pantheon/cpu.c b/arch/arm/cpu/arm926ejs/pantheon/cpu.c
deleted file mode 100644
index 4e2a177c0d..0000000000
--- a/arch/arm/cpu/arm926ejs/pantheon/cpu.c
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * (C) Copyright 2011
- * Marvell Semiconductor <www.marvell.com>
- * Written-by: Lei Wen <leiwen@marvell.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/arch/cpu.h>
-#include <asm/arch/pantheon.h>
-
-#define UARTCLK14745KHZ (APBC_APBCLK | APBC_FNCLK | APBC_FNCLKSEL(1))
-#define SET_MRVL_ID (1<<8)
-#define L2C_RAM_SEL (1<<4)
-
-int arch_cpu_init(void)
-{
- u32 val;
- struct panthcpu_registers *cpuregs =
- (struct panthcpu_registers*) PANTHEON_CPU_BASE;
-
- struct panthapb_registers *apbclkres =
- (struct panthapb_registers*) PANTHEON_APBC_BASE;
-
- struct panthmpmu_registers *mpmu =
- (struct panthmpmu_registers*) PANTHEON_MPMU_BASE;
-
- struct panthapmu_registers *apmu =
- (struct panthapmu_registers *) PANTHEON_APMU_BASE;
-
- /* set SEL_MRVL_ID bit in PANTHEON_CPU_CONF register */
- val = readl(&cpuregs->cpu_conf);
- val = val | SET_MRVL_ID;
- writel(val, &cpuregs->cpu_conf);
-
- /* Turn on clock gating (PMUM_CCGR) */
- writel(0xFFFFFFFF, &mpmu->ccgr);
-
- /* Turn on clock gating (PMUM_ACGR) */
- writel(0xFFFFFFFF, &mpmu->acgr);
-
- /* Turn on uart2 clock */
- writel(UARTCLK14745KHZ, &apbclkres->uart0);
-
- /* Enable GPIO clock */
- writel(APBC_APBCLK, &apbclkres->gpio);
-
-#ifdef CONFIG_I2C_MV
- /* Enable I2C clock */
- writel(APBC_RST | APBC_FNCLK | APBC_APBCLK, &apbclkres->twsi);
- writel(APBC_FNCLK | APBC_APBCLK, &apbclkres->twsi);
-#endif
-
-#ifdef CONFIG_MV_SDHCI
- /* Enable mmc clock */
- writel(APMU_PERI_CLK | APMU_AXI_CLK | APMU_PERI_RST | APMU_AXI_RST,
- &apmu->sd1);
- writel(APMU_PERI_CLK | APMU_AXI_CLK | APMU_PERI_RST | APMU_AXI_RST,
- &apmu->sd3);
-#endif
-
- icache_enable();
-
- return 0;
-}
-
-#if defined(CONFIG_DISPLAY_CPUINFO)
-int print_cpuinfo(void)
-{
- u32 id;
- struct panthcpu_registers *cpuregs =
- (struct panthcpu_registers*) PANTHEON_CPU_BASE;
-
- id = readl(&cpuregs->chip_id);
- printf("SoC: PANTHEON 88AP%X-%X\n", (id & 0xFFF), (id >> 0x10));
- return 0;
-}
-#endif
-
-#ifdef CONFIG_I2C_MV
-void i2c_clk_enable(void)
-{
-}
-#endif
diff --git a/arch/arm/cpu/arm926ejs/pantheon/dram.c b/arch/arm/cpu/arm926ejs/pantheon/dram.c
deleted file mode 100644
index f77e3d0ab5..0000000000
--- a/arch/arm/cpu/arm926ejs/pantheon/dram.c
+++ /dev/null
@@ -1,117 +0,0 @@
-/*
- * (C) Copyright 2011
- * Marvell Semiconductor <www.marvell.com>
- * Written-by: Lei Wen <leiwen@marvell.com>,
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/pantheon.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-/*
- * Pantheon DRAM controller supports upto 8 banks
- * for chip select 0 and 1
- */
-
-/*
- * DDR Memory Control Registers
- * Refer Datasheet 4.4
- */
-struct panthddr_map_registers {
- u32 cs; /* Memory Address Map Register -CS */
- u32 pad[3];
-};
-
-struct panthddr_registers {
- u8 pad[0x100 - 0x000];
- struct panthddr_map_registers mmap[2];
-};
-
-/*
- * panth_sdram_base - reads SDRAM Base Address Register
- */
-u32 panth_sdram_base(int chip_sel)
-{
- struct panthddr_registers *ddr_regs =
- (struct panthddr_registers *)PANTHEON_DRAM_BASE;
- u32 result = 0;
- u32 CS_valid = 0x01 & readl(&ddr_regs->mmap[chip_sel].cs);
-
- if (!CS_valid)
- return 0;
-
- result = readl(&ddr_regs->mmap[chip_sel].cs) & 0xFF800000;
- return result;
-}
-
-/*
- * panth_sdram_size - reads SDRAM size
- */
-u32 panth_sdram_size(int chip_sel)
-{
- struct panthddr_registers *ddr_regs =
- (struct panthddr_registers *)PANTHEON_DRAM_BASE;
- u32 result = 0;
- u32 CS_valid = 0x01 & readl(&ddr_regs->mmap[chip_sel].cs);
-
- if (!CS_valid)
- return 0;
-
- result = readl(&ddr_regs->mmap[chip_sel].cs);
- result = (result >> 16) & 0xF;
- if (result < 0x7) {
- printf("Unknown DRAM Size\n");
- return -1;
- } else {
- return ((0x8 << (result - 0x7)) * 1024 * 1024);
- }
-}
-
-#ifndef CONFIG_SYS_BOARD_DRAM_INIT
-int dram_init(void)
-{
- int i;
-
- gd->ram_size = 0;
- for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
- gd->bd->bi_dram[i].start = panth_sdram_base(i);
- gd->bd->bi_dram[i].size = panth_sdram_size(i);
- /*
- * It is assumed that all memory banks are consecutive
- * and without gaps.
- * If the gap is found, ram_size will be reported for
- * consecutive memory only
- */
- if (gd->bd->bi_dram[i].start != gd->ram_size)
- break;
-
- gd->ram_size += gd->bd->bi_dram[i].size;
-
- }
-
- for (; i < CONFIG_NR_DRAM_BANKS; i++) {
- /*
- * If above loop terminated prematurely, we need to set
- * remaining banks' start address & size as 0. Otherwise other
- * u-boot functions and Linux kernel gets wrong values which
- * could result in crash
- */
- gd->bd->bi_dram[i].start = 0;
- gd->bd->bi_dram[i].size = 0;
- }
- return 0;
-}
-
-/*
- * If this function is not defined here,
- * board.c alters dram bank zero configuration defined above.
- */
-void dram_init_banksize(void)
-{
- dram_init();
-}
-#endif /* CONFIG_SYS_BOARD_DRAM_INIT */
diff --git a/arch/arm/cpu/arm926ejs/pantheon/timer.c b/arch/arm/cpu/arm926ejs/pantheon/timer.c
deleted file mode 100644
index 6382d3b0cf..0000000000
--- a/arch/arm/cpu/arm926ejs/pantheon/timer.c
+++ /dev/null
@@ -1,201 +0,0 @@
-/*
- * (C) Copyright 2011
- * Marvell Semiconductor <www.marvell.com>
- * Written-by: Lei Wen <leiwen@marvell.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/arch/cpu.h>
-#include <asm/arch/pantheon.h>
-
-/*
- * Timer registers
- * Refer 6.2.9 in Datasheet
- */
-struct panthtmr_registers {
- u32 clk_ctrl; /* Timer clk control reg */
- u32 match[9]; /* Timer match registers */
- u32 count[3]; /* Timer count registers */
- u32 status[3];
- u32 ie[3];
- u32 preload[3]; /* Timer preload value */
- u32 preload_ctrl[3];
- u32 wdt_match_en;
- u32 wdt_match_r;
- u32 wdt_val;
- u32 wdt_sts;
- u32 icr[3];
- u32 wdt_icr;
- u32 cer; /* Timer count enable reg */
- u32 cmr;
- u32 ilr[3];
- u32 wcr;
- u32 wfar;
- u32 wsar;
- u32 cvwr[3];
-};
-
-#define TIMER 0 /* Use TIMER 0 */
-/* Each timer has 3 match registers */
-#define MATCH_CMP(x) ((3 * TIMER) + x)
-#define TIMER_LOAD_VAL 0xffffffff
-#define COUNT_RD_REQ 0x1
-
-DECLARE_GLOBAL_DATA_PTR;
-/* Using gd->arch.tbu from timestamp and gd->arch.tbl for lastdec */
-
-/*
- * For preventing risk of instability in reading counter value,
- * first set read request to register cvwr and then read same
- * register after it captures counter value.
- */
-ulong read_timer(void)
-{
- struct panthtmr_registers *panthtimers =
- (struct panthtmr_registers *) PANTHEON_TIMER_BASE;
- volatile int loop=100;
- ulong val;
-
- writel(COUNT_RD_REQ, &panthtimers->cvwr);
- while (loop--)
- val = readl(&panthtimers->cvwr);
-
- /*
- * This stop gcc complain and prevent loop mistake init to 0
- */
- val = readl(&panthtimers->cvwr);
-
- return val;
-}
-
-ulong get_timer_masked(void)
-{
- ulong now = read_timer();
-
- if (now >= gd->arch.tbl) {
- /* normal mode */
- gd->arch.tbu += now - gd->arch.tbl;
- } else {
- /* we have an overflow ... */
- gd->arch.tbu += now + TIMER_LOAD_VAL - gd->arch.tbl;
- }
- gd->arch.tbl = now;
-
- return gd->arch.tbu;
-}
-
-ulong get_timer(ulong base)
-{
- return ((get_timer_masked() / (CONFIG_SYS_HZ_CLOCK / 1000)) -
- base);
-}
-
-void __udelay(unsigned long usec)
-{
- ulong delayticks;
- ulong endtime;
-
- delayticks = (usec * (CONFIG_SYS_HZ_CLOCK / 1000000));
- endtime = get_timer_masked() + delayticks;
-
- while (get_timer_masked() < endtime)
- ;
-}
-
-/*
- * init the Timer
- */
-int timer_init(void)
-{
- struct panthapb_registers *apb1clkres =
- (struct panthapb_registers *) PANTHEON_APBC_BASE;
- struct panthtmr_registers *panthtimers =
- (struct panthtmr_registers *) PANTHEON_TIMER_BASE;
-
- /* Enable Timer clock at 3.25 MHZ */
- writel(APBC_APBCLK | APBC_FNCLK | APBC_FNCLKSEL(3), &apb1clkres->timers);
-
- /* load value into timer */
- writel(0x0, &panthtimers->clk_ctrl);
- /* Use Timer 0 Match Resiger 0 */
- writel(TIMER_LOAD_VAL, &panthtimers->match[MATCH_CMP(0)]);
- /* Preload value is 0 */
- writel(0x0, &panthtimers->preload[TIMER]);
- /* Enable match comparator 0 for Timer 0 */
- writel(0x1, &panthtimers->preload_ctrl[TIMER]);
-
- /* Enable timer 0 */
- writel(0x1, &panthtimers->cer);
- /* init the gd->arch.tbu and gd->arch.tbl value */
- gd->arch.tbl = read_timer();
- gd->arch.tbu = 0;
-
- return 0;
-}
-
-#define MPMU_APRR_WDTR (1<<4)
-#define TMR_WFAR 0xbaba /* WDT Register First key */
-#define TMP_WSAR 0xeb10 /* WDT Register Second key */
-
-/*
- * This function uses internal Watchdog Timer
- * based reset mechanism.
- * Steps to write watchdog registers (protected access)
- * 1. Write key value to TMR_WFAR reg.
- * 2. Write key value to TMP_WSAR reg.
- * 3. Perform write operation.
- */
-void reset_cpu (unsigned long ignored)
-{
- struct panthmpmu_registers *mpmu =
- (struct panthmpmu_registers *) PANTHEON_MPMU_BASE;
- struct panthtmr_registers *panthtimers =
- (struct panthtmr_registers *) PANTHEON_WD_TIMER_BASE;
- u32 val;
-
- /* negate hardware reset to the WDT after system reset */
- val = readl(&mpmu->aprr);
- val = val | MPMU_APRR_WDTR;
- writel(val, &mpmu->aprr);
-
- /* reset/enable WDT clock */
- writel(APBC_APBCLK, &mpmu->wdtpcr);
-
- /* clear previous WDT status */
- writel(TMR_WFAR, &panthtimers->wfar);
- writel(TMP_WSAR, &panthtimers->wsar);
- writel(0, &panthtimers->wdt_sts);
-
- /* set match counter */
- writel(TMR_WFAR, &panthtimers->wfar);
- writel(TMP_WSAR, &panthtimers->wsar);
- writel(0xf, &panthtimers->wdt_match_r);
-
- /* enable WDT reset */
- writel(TMR_WFAR, &panthtimers->wfar);
- writel(TMP_WSAR, &panthtimers->wsar);
- writel(0x3, &panthtimers->wdt_match_en);
-
- /*enable functional WDT clock */
- writel(APBC_APBCLK | APBC_FNCLK, &mpmu->wdtpcr);
-}
-
-/*
- * This function is derived from PowerPC code (read timebase as long long).
- * On ARM it just returns the timer value.
- */
-unsigned long long get_ticks(void)
-{
- return get_timer(0);
-}
-
-/*
- * This function is derived from PowerPC code (timebase clock frequency).
- * On ARM it returns the number of timer ticks per second.
- */
-ulong get_tbclk (void)
-{
- return (ulong)CONFIG_SYS_HZ;
-}
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