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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/roms/u-boot/arch/arm/cpu/arm926ejs/mx27/generic.c
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/arch/arm/cpu/arm926ejs/mx27/generic.c')
-rw-r--r--qemu/roms/u-boot/arch/arm/cpu/arm926ejs/mx27/generic.c379
1 files changed, 0 insertions, 379 deletions
diff --git a/qemu/roms/u-boot/arch/arm/cpu/arm926ejs/mx27/generic.c b/qemu/roms/u-boot/arch/arm/cpu/arm926ejs/mx27/generic.c
deleted file mode 100644
index 5ee9f07d8..000000000
--- a/qemu/roms/u-boot/arch/arm/cpu/arm926ejs/mx27/generic.c
+++ /dev/null
@@ -1,379 +0,0 @@
-/*
- * Copyright (c) 2008 Eric Jarrige <eric.jarrige@armadeus.org>
- * Copyright (c) 2009 Ilya Yanok <yanok@emcraft.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <div64.h>
-#include <netdev.h>
-#include <asm/io.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/gpio.h>
-#ifdef CONFIG_MXC_MMC
-#include <asm/arch/mxcmmc.h>
-#endif
-
-/*
- * get the system pll clock in Hz
- *
- * mfi + mfn / (mfd +1)
- * f = 2 * f_ref * --------------------
- * pd + 1
- */
-static unsigned int imx_decode_pll(unsigned int pll, unsigned int f_ref)
-{
- unsigned int mfi = (pll >> 10) & 0xf;
- unsigned int mfn = pll & 0x3ff;
- unsigned int mfd = (pll >> 16) & 0x3ff;
- unsigned int pd = (pll >> 26) & 0xf;
-
- mfi = mfi <= 5 ? 5 : mfi;
-
- return lldiv(2 * (u64)f_ref * (mfi * (mfd + 1) + mfn),
- (mfd + 1) * (pd + 1));
-}
-
-static ulong clk_in_32k(void)
-{
- return 1024 * CONFIG_MX27_CLK32;
-}
-
-static ulong clk_in_26m(void)
-{
- struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
-
- if (readl(&pll->cscr) & CSCR_OSC26M_DIV1P5) {
- /* divide by 1.5 */
- return 26000000 * 2 / 3;
- } else {
- return 26000000;
- }
-}
-
-static ulong imx_get_mpllclk(void)
-{
- struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
- ulong cscr = readl(&pll->cscr);
- ulong fref;
-
- if (cscr & CSCR_MCU_SEL)
- fref = clk_in_26m();
- else
- fref = clk_in_32k();
-
- return imx_decode_pll(readl(&pll->mpctl0), fref);
-}
-
-static ulong imx_get_armclk(void)
-{
- struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
- ulong cscr = readl(&pll->cscr);
- ulong fref = imx_get_mpllclk();
- ulong div;
-
- if (!(cscr & CSCR_ARM_SRC_MPLL))
- fref = lldiv((fref * 2), 3);
-
- div = ((cscr >> 12) & 0x3) + 1;
-
- return lldiv(fref, div);
-}
-
-static ulong imx_get_ahbclk(void)
-{
- struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
- ulong cscr = readl(&pll->cscr);
- ulong fref = imx_get_mpllclk();
- ulong div;
-
- div = ((cscr >> 8) & 0x3) + 1;
-
- return lldiv(fref * 2, 3 * div);
-}
-
-static __attribute__((unused)) ulong imx_get_spllclk(void)
-{
- struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
- ulong cscr = readl(&pll->cscr);
- ulong fref;
-
- if (cscr & CSCR_SP_SEL)
- fref = clk_in_26m();
- else
- fref = clk_in_32k();
-
- return imx_decode_pll(readl(&pll->spctl0), fref);
-}
-
-static ulong imx_decode_perclk(ulong div)
-{
- return lldiv((imx_get_mpllclk() * 2), (div * 3));
-}
-
-static ulong imx_get_perclk1(void)
-{
- struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
-
- return imx_decode_perclk((readl(&pll->pcdr1) & 0x3f) + 1);
-}
-
-static ulong imx_get_perclk2(void)
-{
- struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
-
- return imx_decode_perclk(((readl(&pll->pcdr1) >> 8) & 0x3f) + 1);
-}
-
-static __attribute__((unused)) ulong imx_get_perclk3(void)
-{
- struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
-
- return imx_decode_perclk(((readl(&pll->pcdr1) >> 16) & 0x3f) + 1);
-}
-
-static __attribute__((unused)) ulong imx_get_perclk4(void)
-{
- struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
-
- return imx_decode_perclk(((readl(&pll->pcdr1) >> 24) & 0x3f) + 1);
-}
-
-unsigned int mxc_get_clock(enum mxc_clock clk)
-{
- switch (clk) {
- case MXC_ARM_CLK:
- return imx_get_armclk();
- case MXC_I2C_CLK:
- return imx_get_ahbclk()/2;
- case MXC_UART_CLK:
- return imx_get_perclk1();
- case MXC_FEC_CLK:
- return imx_get_ahbclk();
- case MXC_ESDHC_CLK:
- return imx_get_perclk2();
- }
- return -1;
-}
-
-
-#if defined(CONFIG_DISPLAY_CPUINFO)
-int print_cpuinfo (void)
-{
- char buf[32];
-
- printf("CPU: Freescale i.MX27 at %s MHz\n\n",
- strmhz(buf, imx_get_mpllclk()));
- return 0;
-}
-#endif
-
-int cpu_eth_init(bd_t *bis)
-{
-#if defined(CONFIG_FEC_MXC)
- struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE;
-
- /* enable FEC clock */
- writel(readl(&pll->pccr1) | PCCR1_HCLK_FEC, &pll->pccr1);
- writel(readl(&pll->pccr0) | PCCR0_FEC_EN, &pll->pccr0);
- return fecmxc_initialize(bis);
-#else
- return 0;
-#endif
-}
-
-/*
- * Initializes on-chip MMC controllers.
- * to override, implement board_mmc_init()
- */
-int cpu_mmc_init(bd_t *bis)
-{
-#ifdef CONFIG_MXC_MMC
- return mxc_mmc_init(bis);
-#else
- return 0;
-#endif
-}
-
-void imx_gpio_mode(int gpio_mode)
-{
- struct gpio_port_regs *regs = (struct gpio_port_regs *)IMX_GPIO_BASE;
- unsigned int pin = gpio_mode & GPIO_PIN_MASK;
- unsigned int port = (gpio_mode & GPIO_PORT_MASK) >> GPIO_PORT_SHIFT;
- unsigned int ocr = (gpio_mode & GPIO_OCR_MASK) >> GPIO_OCR_SHIFT;
- unsigned int aout = (gpio_mode & GPIO_AOUT_MASK) >> GPIO_AOUT_SHIFT;
- unsigned int bout = (gpio_mode & GPIO_BOUT_MASK) >> GPIO_BOUT_SHIFT;
- unsigned int tmp;
-
- /* Pullup enable */
- if (gpio_mode & GPIO_PUEN) {
- writel(readl(&regs->port[port].puen) | (1 << pin),
- &regs->port[port].puen);
- } else {
- writel(readl(&regs->port[port].puen) & ~(1 << pin),
- &regs->port[port].puen);
- }
-
- /* Data direction */
- if (gpio_mode & GPIO_OUT) {
- writel(readl(&regs->port[port].gpio_dir) | 1 << pin,
- &regs->port[port].gpio_dir);
- } else {
- writel(readl(&regs->port[port].gpio_dir) & ~(1 << pin),
- &regs->port[port].gpio_dir);
- }
-
- /* Primary / alternate function */
- if (gpio_mode & GPIO_AF) {
- writel(readl(&regs->port[port].gpr) | (1 << pin),
- &regs->port[port].gpr);
- } else {
- writel(readl(&regs->port[port].gpr) & ~(1 << pin),
- &regs->port[port].gpr);
- }
-
- /* use as gpio? */
- if (!(gpio_mode & (GPIO_PF | GPIO_AF))) {
- writel(readl(&regs->port[port].gius) | (1 << pin),
- &regs->port[port].gius);
- } else {
- writel(readl(&regs->port[port].gius) & ~(1 << pin),
- &regs->port[port].gius);
- }
-
- /* Output / input configuration */
- if (pin < 16) {
- tmp = readl(&regs->port[port].ocr1);
- tmp &= ~(3 << (pin * 2));
- tmp |= (ocr << (pin * 2));
- writel(tmp, &regs->port[port].ocr1);
-
- writel(readl(&regs->port[port].iconfa1) & ~(3 << (pin * 2)),
- &regs->port[port].iconfa1);
- writel(readl(&regs->port[port].iconfa1) | aout << (pin * 2),
- &regs->port[port].iconfa1);
- writel(readl(&regs->port[port].iconfb1) & ~(3 << (pin * 2)),
- &regs->port[port].iconfb1);
- writel(readl(&regs->port[port].iconfb1) | bout << (pin * 2),
- &regs->port[port].iconfb1);
- } else {
- pin -= 16;
-
- tmp = readl(&regs->port[port].ocr2);
- tmp &= ~(3 << (pin * 2));
- tmp |= (ocr << (pin * 2));
- writel(tmp, &regs->port[port].ocr2);
-
- writel(readl(&regs->port[port].iconfa2) & ~(3 << (pin * 2)),
- &regs->port[port].iconfa2);
- writel(readl(&regs->port[port].iconfa2) | aout << (pin * 2),
- &regs->port[port].iconfa2);
- writel(readl(&regs->port[port].iconfb2) & ~(3 << (pin * 2)),
- &regs->port[port].iconfb2);
- writel(readl(&regs->port[port].iconfb2) | bout << (pin * 2),
- &regs->port[port].iconfb2);
- }
-}
-
-#ifdef CONFIG_MXC_UART
-void mx27_uart1_init_pins(void)
-{
- int i;
- unsigned int mode[] = {
- PE12_PF_UART1_TXD,
- PE13_PF_UART1_RXD,
- };
-
- for (i = 0; i < ARRAY_SIZE(mode); i++)
- imx_gpio_mode(mode[i]);
-
-}
-#endif /* CONFIG_MXC_UART */
-
-#ifdef CONFIG_FEC_MXC
-void mx27_fec_init_pins(void)
-{
- int i;
- unsigned int mode[] = {
- PD0_AIN_FEC_TXD0,
- PD1_AIN_FEC_TXD1,
- PD2_AIN_FEC_TXD2,
- PD3_AIN_FEC_TXD3,
- PD4_AOUT_FEC_RX_ER,
- PD5_AOUT_FEC_RXD1,
- PD6_AOUT_FEC_RXD2,
- PD7_AOUT_FEC_RXD3,
- PD8_AF_FEC_MDIO,
- PD9_AIN_FEC_MDC | GPIO_PUEN,
- PD10_AOUT_FEC_CRS,
- PD11_AOUT_FEC_TX_CLK,
- PD12_AOUT_FEC_RXD0,
- PD13_AOUT_FEC_RX_DV,
- PD14_AOUT_FEC_CLR,
- PD15_AOUT_FEC_COL,
- PD16_AIN_FEC_TX_ER,
- PF23_AIN_FEC_TX_EN,
- };
-
- for (i = 0; i < ARRAY_SIZE(mode); i++)
- imx_gpio_mode(mode[i]);
-}
-
-void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
-{
- int i;
- struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
- struct fuse_bank *bank = &iim->bank[0];
- struct fuse_bank0_regs *fuse =
- (struct fuse_bank0_regs *)bank->fuse_regs;
-
- for (i = 0; i < 6; i++)
- mac[6 - 1 - i] = readl(&fuse->mac_addr[i]) & 0xff;
-}
-#endif /* CONFIG_FEC_MXC */
-
-#ifdef CONFIG_MXC_MMC
-void mx27_sd1_init_pins(void)
-{
- int i;
- unsigned int mode[] = {
- PE18_PF_SD1_D0,
- PE19_PF_SD1_D1,
- PE20_PF_SD1_D2,
- PE21_PF_SD1_D3,
- PE22_PF_SD1_CMD,
- PE23_PF_SD1_CLK,
- };
-
- for (i = 0; i < ARRAY_SIZE(mode); i++)
- imx_gpio_mode(mode[i]);
-
-}
-
-void mx27_sd2_init_pins(void)
-{
- int i;
- unsigned int mode[] = {
- PB4_PF_SD2_D0,
- PB5_PF_SD2_D1,
- PB6_PF_SD2_D2,
- PB7_PF_SD2_D3,
- PB8_PF_SD2_CMD,
- PB9_PF_SD2_CLK,
- };
-
- for (i = 0; i < ARRAY_SIZE(mode); i++)
- imx_gpio_mode(mode[i]);
-
-}
-#endif /* CONFIG_MXC_MMC */
-
-#ifndef CONFIG_SYS_DCACHE_OFF
-void enable_caches(void)
-{
- /* Enable D-cache. I-cache is already enabled in start.S */
- dcache_enable();
-}
-#endif /* CONFIG_SYS_DCACHE_OFF */