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Diffstat (limited to 'arch/arm/cpu/armv7/keystone/init.c')
-rw-r--r--arch/arm/cpu/armv7/keystone/init.c151
1 files changed, 0 insertions, 151 deletions
diff --git a/arch/arm/cpu/armv7/keystone/init.c b/arch/arm/cpu/armv7/keystone/init.c
deleted file mode 100644
index c96845c..0000000
--- a/arch/arm/cpu/armv7/keystone/init.c
+++ /dev/null
@@ -1,151 +0,0 @@
-/*
- * Keystone2: Architecture initialization
- *
- * (C) Copyright 2012-2014
- * Texas Instruments Incorporated, <www.ti.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <ns16550.h>
-#include <asm/io.h>
-#include <asm/arch/msmc.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/hardware.h>
-#include <asm/arch/psc_defs.h>
-
-#define MAX_PCI_PORTS 2
-enum pci_mode {
- ENDPOINT,
- LEGACY_ENDPOINT,
- ROOTCOMPLEX,
-};
-
-#define DEVCFG_MODE_MASK (BIT(2) | BIT(1))
-#define DEVCFG_MODE_SHIFT 1
-
-void chip_configuration_unlock(void)
-{
- __raw_writel(KS2_KICK0_MAGIC, KS2_KICK0);
- __raw_writel(KS2_KICK1_MAGIC, KS2_KICK1);
-}
-
-#ifdef CONFIG_SOC_K2L
-void osr_init(void)
-{
- u32 i;
- u32 j;
- u32 val;
- u32 base = KS2_OSR_CFG_BASE;
- u32 ecc_ctrl[KS2_OSR_NUM_RAM_BANKS];
-
- /* Enable the OSR clock domain */
- psc_enable_module(KS2_LPSC_OSR);
-
- /* Disable OSR ECC check for all the ram banks */
- for (i = 0; i < KS2_OSR_NUM_RAM_BANKS; i++) {
- val = i | KS2_OSR_ECC_VEC_TRIG_RD |
- (KS2_OSR_ECC_CTRL << KS2_OSR_ECC_VEC_RD_ADDR_SH);
-
- writel(val , base + KS2_OSR_ECC_VEC);
-
- /**
- * wait till read is done.
- * Print should be added after earlyprintk support is added.
- */
- for (j = 0; j < 10000; j++) {
- val = readl(base + KS2_OSR_ECC_VEC);
- if (val & KS2_OSR_ECC_VEC_RD_DONE)
- break;
- }
-
- ecc_ctrl[i] = readl(base + KS2_OSR_ECC_CTRL) ^
- KS2_OSR_ECC_CTRL_CHK;
-
- writel(ecc_ctrl[i], KS2_MSMC_DATA_BASE + i * 4);
- writel(ecc_ctrl[i], base + KS2_OSR_ECC_CTRL);
- }
-
- /* Reset OSR memory to all zeros */
- for (i = 0; i < KS2_OSR_SIZE; i += 4)
- writel(0, KS2_OSR_DATA_BASE + i);
-
- /* Enable OSR ECC check for all the ram banks */
- for (i = 0; i < KS2_OSR_NUM_RAM_BANKS; i++)
- writel(ecc_ctrl[i] |
- KS2_OSR_ECC_CTRL_CHK, base + KS2_OSR_ECC_CTRL);
-}
-#endif
-
-/* Function to set up PCIe mode */
-static void config_pcie_mode(int pcie_port, enum pci_mode mode)
-{
- u32 val = __raw_readl(KS2_DEVCFG);
-
- if (pcie_port >= MAX_PCI_PORTS)
- return;
-
- /**
- * each pci port has two bits for mode and it starts at
- * bit 1. So use port number to get the right bit position.
- */
- pcie_port <<= 1;
- val &= ~(DEVCFG_MODE_MASK << pcie_port);
- val |= ((mode << DEVCFG_MODE_SHIFT) << pcie_port);
- __raw_writel(val, KS2_DEVCFG);
-}
-
-int arch_cpu_init(void)
-{
- chip_configuration_unlock();
- icache_enable();
-
- msmc_share_all_segments(KS2_MSMC_SEGMENT_TETRIS);
- msmc_share_all_segments(KS2_MSMC_SEGMENT_NETCP);
- msmc_share_all_segments(KS2_MSMC_SEGMENT_QM_PDSP);
- msmc_share_all_segments(KS2_MSMC_SEGMENT_PCIE0);
-
- /* Initialize the PCIe-0 to work as Root Complex */
- config_pcie_mode(0, ROOTCOMPLEX);
-#if defined(CONFIG_SOC_K2E) || defined(CONFIG_SOC_K2L)
- msmc_share_all_segments(KS2_MSMC_SEGMENT_PCIE1);
- /* Initialize the PCIe-1 to work as Root Complex */
- config_pcie_mode(1, ROOTCOMPLEX);
-#endif
-#ifdef CONFIG_SOC_K2L
- osr_init();
-#endif
-
- /*
- * just initialise the COM2 port so that TI specific
- * UART register PWREMU_MGMT is initialized. Linux UART
- * driver doesn't handle this.
- */
- NS16550_init((NS16550_t)(CONFIG_SYS_NS16550_COM2),
- CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE);
-
- return 0;
-}
-
-void reset_cpu(ulong addr)
-{
- volatile u32 *rstctrl = (volatile u32 *)(KS2_RSTCTRL);
- u32 tmp;
-
- tmp = *rstctrl & KS2_RSTCTRL_MASK;
- *rstctrl = tmp | KS2_RSTCTRL_KEY;
-
- *rstctrl &= KS2_RSTCTRL_SWRST;
-
- for (;;)
- ;
-}
-
-void enable_caches(void)
-{
-#ifndef CONFIG_SYS_DCACHE_OFF
- /* Enable D-cache. I-cache is already enabled in start.S */
- dcache_enable();
-#endif
-}