summaryrefslogtreecommitdiff
path: root/arch/powerpc/cpu/ppc4xx/cpu.c
diff options
context:
space:
mode:
authorHeiko Schocher <hs@denx.de>2017-06-27 16:49:14 +0200
committerTom Rini <trini@konsulko.com>2017-07-03 17:35:28 -0400
commit98f705c9cefdfdba62c069821bbba10273a0a8ed (patch)
tree48a56e8496a9b6f5bcf523916ace5445489d79c7 /arch/powerpc/cpu/ppc4xx/cpu.c
parentd4db3b86a5e090e21db710bedbbe3e50d4c56428 (diff)
downloadu-boot-98f705c9cefdfdba62c069821bbba10273a0a8ed.tar.gz
powerpc: remove 4xx support
There was for long time no activity in the 4xx area. We need to go further and convert to Kconfig, but it turned out, nobody is interested anymore in 4xx, so remove it. Signed-off-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'arch/powerpc/cpu/ppc4xx/cpu.c')
-rw-r--r--arch/powerpc/cpu/ppc4xx/cpu.c702
1 files changed, 0 insertions, 702 deletions
diff --git a/arch/powerpc/cpu/ppc4xx/cpu.c b/arch/powerpc/cpu/ppc4xx/cpu.c
deleted file mode 100644
index aab65d405c..0000000000
--- a/arch/powerpc/cpu/ppc4xx/cpu.c
+++ /dev/null
@@ -1,702 +0,0 @@
-/*
- * (C) Copyright 2000-2007
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-/*
- * CPU specific code
- *
- * written or collected and sometimes rewritten by
- * Magnus Damm <damm@bitsmart.com>
- *
- * minor modifications by
- * Wolfgang Denk <wd@denx.de>
- */
-
-#include <common.h>
-#include <watchdog.h>
-#include <command.h>
-#include <asm/cache.h>
-#include <asm/ppc4xx.h>
-#include <netdev.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-void board_reset(void);
-
-/*
- * To provide an interface to detect CPU number for boards that support
- * more then one CPU, we implement the "weak" default functions here.
- *
- * Returns CPU number
- */
-int __get_cpu_num(void)
-{
- return NA_OR_UNKNOWN_CPU;
-}
-int get_cpu_num(void) __attribute__((weak, alias("__get_cpu_num")));
-
-#if defined(CONFIG_PCI)
-#if defined(CONFIG_405GP) || \
- defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
- defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
-
-#define PCI_ASYNC
-
-static int pci_async_enabled(void)
-{
-#if defined(CONFIG_405GP)
- return (mfdcr(CPC0_PSR) & PSR_PCI_ASYNC_EN);
-#endif
-
-#if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
- defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
- defined(CONFIG_460EX) || defined(CONFIG_460GT)
- unsigned long val;
-
- mfsdr(SDR0_SDSTP1, val);
- return (val & SDR0_SDSTP1_PAME_MASK);
-#endif
-}
-#endif
-#endif /* CONFIG_PCI */
-
-#if defined(CONFIG_PCI) && \
- !defined(CONFIG_405) && !defined(CONFIG_405EX)
-int pci_arbiter_enabled(void)
-{
-#if defined(CONFIG_405GP)
- return (mfdcr(CPC0_PSR) & PSR_PCI_ARBIT_EN);
-#endif
-
-#if defined(CONFIG_405EP)
- return (mfdcr(CPC0_PCI) & CPC0_PCI_ARBIT_EN);
-#endif
-
-#if defined(CONFIG_440GP)
- return (mfdcr(CPC0_STRP1) & CPC0_STRP1_PAE_MASK);
-#endif
-
-#if defined(CONFIG_440GX) || defined(CONFIG_440SP) || defined(CONFIG_440SPE)
- unsigned long val;
-
- mfsdr(SDR0_XCR0, val);
- return (val & SDR0_XCR0_PAE_MASK);
-#endif
-#if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
- defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
- defined(CONFIG_460EX) || defined(CONFIG_460GT)
- unsigned long val;
-
- mfsdr(SDR0_PCI0, val);
- return (val & SDR0_PCI0_PAE_MASK);
-#endif
-}
-#endif
-
-#if defined(CONFIG_405EP)
-#define I2C_BOOTROM
-
-static int i2c_bootrom_enabled(void)
-{
-#if defined(CONFIG_405EP)
- return (mfdcr(CPC0_BOOT) & CPC0_BOOT_SEP);
-#else
- unsigned long val;
-
- mfsdr(SDR0_SDCS0, val);
- return (val & SDR0_SDCS_SDD);
-#endif
-}
-#endif
-
-#if defined(CONFIG_440GX)
-#define SDR0_PINSTP_SHIFT 29
-static char *bootstrap_str[] = {
- "EBC (16 bits)",
- "EBC (8 bits)",
- "EBC (32 bits)",
- "EBC (8 bits)",
- "PCI",
- "I2C (Addr 0x54)",
- "Reserved",
- "I2C (Addr 0x50)",
-};
-static char bootstrap_char[] = { 'A', 'B', 'C', 'B', 'D', 'E', 'x', 'F' };
-#endif
-
-#if defined(CONFIG_440SP) || defined(CONFIG_440SPE)
-#define SDR0_PINSTP_SHIFT 30
-static char *bootstrap_str[] = {
- "EBC (8 bits)",
- "PCI",
- "I2C (Addr 0x54)",
- "I2C (Addr 0x50)",
-};
-static char bootstrap_char[] = { 'A', 'B', 'C', 'D'};
-#endif
-
-#if defined(CONFIG_440EP) || defined(CONFIG_440GR)
-#define SDR0_PINSTP_SHIFT 29
-static char *bootstrap_str[] = {
- "EBC (8 bits)",
- "PCI",
- "NAND (8 bits)",
- "EBC (16 bits)",
- "EBC (16 bits)",
- "I2C (Addr 0x54)",
- "PCI",
- "I2C (Addr 0x52)",
-};
-static char bootstrap_char[] = { 'A', 'B', 'C', 'D', 'E', 'G', 'F', 'H' };
-#endif
-
-#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
-#define SDR0_PINSTP_SHIFT 29
-static char *bootstrap_str[] = {
- "EBC (8 bits)",
- "EBC (16 bits)",
- "EBC (16 bits)",
- "NAND (8 bits)",
- "PCI",
- "I2C (Addr 0x54)",
- "PCI",
- "I2C (Addr 0x52)",
-};
-static char bootstrap_char[] = { 'A', 'B', 'C', 'D', 'E', 'G', 'F', 'H' };
-#endif
-
-#if defined(CONFIG_460EX) || defined(CONFIG_460GT)
-#define SDR0_PINSTP_SHIFT 29
-static char *bootstrap_str[] = {
- "EBC (8 bits)",
- "EBC (16 bits)",
- "PCI",
- "PCI",
- "EBC (16 bits)",
- "NAND (8 bits)",
- "I2C (Addr 0x54)", /* A8 */
- "I2C (Addr 0x52)", /* A4 */
-};
-static char bootstrap_char[] = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H' };
-#endif
-
-#if defined(CONFIG_460SX)
-#define SDR0_PINSTP_SHIFT 29
-static char *bootstrap_str[] = {
- "EBC (8 bits)",
- "EBC (16 bits)",
- "EBC (32 bits)",
- "NAND (8 bits)",
- "I2C (Addr 0x54)", /* A8 */
- "I2C (Addr 0x52)", /* A4 */
-};
-static char bootstrap_char[] = { 'A', 'B', 'C', 'D', 'E', 'G' };
-#endif
-
-#if defined(CONFIG_405EZ)
-#define SDR0_PINSTP_SHIFT 28
-static char *bootstrap_str[] = {
- "EBC (8 bits)",
- "SPI (fast)",
- "NAND (512 page, 4 addr cycle)",
- "I2C (Addr 0x50)",
- "EBC (32 bits)",
- "I2C (Addr 0x50)",
- "NAND (2K page, 5 addr cycle)",
- "I2C (Addr 0x50)",
- "EBC (16 bits)",
- "Reserved",
- "NAND (2K page, 4 addr cycle)",
- "I2C (Addr 0x50)",
- "NAND (512 page, 3 addr cycle)",
- "I2C (Addr 0x50)",
- "SPI (slow)",
- "I2C (Addr 0x50)",
-};
-static char bootstrap_char[] = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', \
- 'I', 'x', 'K', 'L', 'M', 'N', 'O', 'P' };
-#endif
-
-#if defined(CONFIG_405EX)
-#define SDR0_PINSTP_SHIFT 29
-static char *bootstrap_str[] = {
- "EBC (8 bits)",
- "EBC (16 bits)",
- "EBC (16 bits)",
- "NAND (8 bits)",
- "NAND (8 bits)",
- "I2C (Addr 0x54)",
- "EBC (8 bits)",
- "I2C (Addr 0x52)",
-};
-static char bootstrap_char[] = { 'A', 'B', 'C', 'D', 'E', 'G', 'F', 'H' };
-#endif
-
-#if defined(SDR0_PINSTP_SHIFT)
-static int bootstrap_option(void)
-{
- unsigned long val;
-
- mfsdr(SDR0_PINSTP, val);
- return ((val & 0xf0000000) >> SDR0_PINSTP_SHIFT);
-}
-#endif /* SDR0_PINSTP_SHIFT */
-
-
-#if defined(CONFIG_440GP)
-static int do_chip_reset (unsigned long sys0, unsigned long sys1)
-{
- /* Changes to CPC0_SYS0 and CPC0_SYS1 require chip
- * reset.
- */
- mtdcr (CPC0_CR0, mfdcr (CPC0_CR0) | 0x80000000); /* Set SWE */
- mtdcr (CPC0_SYS0, sys0);
- mtdcr (CPC0_SYS1, sys1);
- mtdcr (CPC0_CR0, mfdcr (CPC0_CR0) & ~0x80000000); /* Clr SWE */
- mtspr (SPRN_DBCR0, 0x20000000); /* Reset the chip */
-
- return 1;
-}
-#endif /* CONFIG_440GP */
-
-
-int checkcpu (void)
-{
-#if !defined(CONFIG_405) /* not used on Xilinx 405 FPGA implementations */
- uint pvr = get_pvr();
- ulong clock = gd->cpu_clk;
- char buf[32];
-#if defined(CONFIG_460EX) || defined(CONFIG_460GT)
- u32 reg;
-#endif
-
- char addstr[64] = "";
- sys_info_t sys_info;
- int cpu_num;
-
- cpu_num = get_cpu_num();
- if (cpu_num >= 0)
- printf("CPU%d: ", cpu_num);
- else
- puts("CPU: ");
-
- get_sys_info(&sys_info);
-
-#if defined(CONFIG_XILINX_440)
- puts("IBM PowerPC ");
-#else
- puts("AMCC PowerPC ");
-#endif
-
- switch (pvr) {
-
-#if !defined(CONFIG_440)
- case PVR_405GP_RB:
- puts("405GP Rev. B");
- break;
-
- case PVR_405GP_RC:
- puts("405GP Rev. C");
- break;
-
- case PVR_405GP_RD:
- puts("405GP Rev. D");
- break;
-
- case PVR_405GP_RE:
- puts("405GP Rev. E");
- break;
-
- case PVR_405GPR_RB:
- puts("405GPr Rev. B");
- break;
-
- case PVR_405EP_RB:
- puts("405EP Rev. B");
- break;
-
- case PVR_405EZ_RA:
- puts("405EZ Rev. A");
- break;
-
- case PVR_405EX1_RA:
- puts("405EX Rev. A");
- strcpy(addstr, "Security support");
- break;
-
- case PVR_405EXR2_RA:
- puts("405EXr Rev. A");
- strcpy(addstr, "No Security support");
- break;
-
- case PVR_405EX1_RC:
- puts("405EX Rev. C");
- strcpy(addstr, "Security support");
- break;
-
- case PVR_405EX2_RC:
- puts("405EX Rev. C");
- strcpy(addstr, "No Security support");
- break;
-
- case PVR_405EXR1_RC:
- puts("405EXr Rev. C");
- strcpy(addstr, "Security support");
- break;
-
- case PVR_405EXR2_RC:
- puts("405EXr Rev. C");
- strcpy(addstr, "No Security support");
- break;
-
- case PVR_405EX1_RD:
- puts("405EX Rev. D");
- strcpy(addstr, "Security support");
- break;
-
- case PVR_405EX2_RD:
- puts("405EX Rev. D");
- strcpy(addstr, "No Security support");
- break;
-
- case PVR_405EXR1_RD:
- puts("405EXr Rev. D");
- strcpy(addstr, "Security support");
- break;
-
- case PVR_405EXR2_RD:
- puts("405EXr Rev. D");
- strcpy(addstr, "No Security support");
- break;
-
-#else /* CONFIG_440 */
-
-#if defined(CONFIG_440GP)
- case PVR_440GP_RB:
- puts("440GP Rev. B");
- /* See errata 1.12: CHIP_4 */
- if ((mfdcr(CPC0_SYS0) != mfdcr(CPC0_STRP0)) ||
- (mfdcr(CPC0_SYS1) != mfdcr(CPC0_STRP1)) ){
- puts ( "\n\t CPC0_SYSx DCRs corrupted. "
- "Resetting chip ...\n");
- udelay( 1000 * 1000 ); /* Give time for serial buf to clear */
- do_chip_reset ( mfdcr(CPC0_STRP0),
- mfdcr(CPC0_STRP1) );
- }
- break;
-
- case PVR_440GP_RC:
- puts("440GP Rev. C");
- break;
-#endif /* CONFIG_440GP */
-
- case PVR_440GX_RA:
- puts("440GX Rev. A");
- break;
-
- case PVR_440GX_RB:
- puts("440GX Rev. B");
- break;
-
- case PVR_440GX_RC:
- puts("440GX Rev. C");
- break;
-
- case PVR_440GX_RF:
- puts("440GX Rev. F");
- break;
-
- case PVR_440EP_RA:
- puts("440EP Rev. A");
- break;
-
-#ifdef CONFIG_440EP
- case PVR_440EP_RB: /* 440EP rev B and 440GR rev A have same PVR */
- puts("440EP Rev. B");
- break;
-
- case PVR_440EP_RC: /* 440EP rev C and 440GR rev B have same PVR */
- puts("440EP Rev. C");
- break;
-#endif /* CONFIG_440EP */
-
-#ifdef CONFIG_440GR
- case PVR_440GR_RA: /* 440EP rev B and 440GR rev A have same PVR */
- puts("440GR Rev. A");
- break;
-
- case PVR_440GR_RB: /* 440EP rev C and 440GR rev B have same PVR */
- puts("440GR Rev. B");
- break;
-#endif /* CONFIG_440GR */
-
-#ifdef CONFIG_440EPX
- case PVR_440EPX1_RA: /* 440EPx rev A and 440GRx rev A have same PVR */
- puts("440EPx Rev. A");
- strcpy(addstr, "Security/Kasumi support");
- break;
-
- case PVR_440EPX2_RA: /* 440EPx rev A and 440GRx rev A have same PVR */
- puts("440EPx Rev. A");
- strcpy(addstr, "No Security/Kasumi support");
- break;
-#endif /* CONFIG_440EPX */
-
-#ifdef CONFIG_440GRX
- case PVR_440GRX1_RA: /* 440EPx rev A and 440GRx rev A have same PVR */
- puts("440GRx Rev. A");
- strcpy(addstr, "Security/Kasumi support");
- break;
-
- case PVR_440GRX2_RA: /* 440EPx rev A and 440GRx rev A have same PVR */
- puts("440GRx Rev. A");
- strcpy(addstr, "No Security/Kasumi support");
- break;
-#endif /* CONFIG_440GRX */
-
- case PVR_440SP_6_RAB:
- puts("440SP Rev. A/B");
- strcpy(addstr, "RAID 6 support");
- break;
-
- case PVR_440SP_RAB:
- puts("440SP Rev. A/B");
- strcpy(addstr, "No RAID 6 support");
- break;
-
- case PVR_440SP_6_RC:
- puts("440SP Rev. C");
- strcpy(addstr, "RAID 6 support");
- break;
-
- case PVR_440SP_RC:
- puts("440SP Rev. C");
- strcpy(addstr, "No RAID 6 support");
- break;
-
- case PVR_440SPe_6_RA:
- puts("440SPe Rev. A");
- strcpy(addstr, "RAID 6 support");
- break;
-
- case PVR_440SPe_RA:
- puts("440SPe Rev. A");
- strcpy(addstr, "No RAID 6 support");
- break;
-
- case PVR_440SPe_6_RB:
- puts("440SPe Rev. B");
- strcpy(addstr, "RAID 6 support");
- break;
-
- case PVR_440SPe_RB:
- puts("440SPe Rev. B");
- strcpy(addstr, "No RAID 6 support");
- break;
-
-#if defined(CONFIG_460EX) || defined(CONFIG_460GT)
- case PVR_460EX_RA:
- puts("460EX Rev. A");
- strcpy(addstr, "No Security/Kasumi support");
- break;
-
- case PVR_460EX_SE_RA:
- puts("460EX Rev. A");
- strcpy(addstr, "Security/Kasumi support");
- break;
-
- case PVR_460EX_RB:
- puts("460EX Rev. B");
- mfsdr(SDR0_ECID3, reg);
- if (reg & 0x00100000)
- strcpy(addstr, "No Security/Kasumi support");
- else
- strcpy(addstr, "Security/Kasumi support");
- break;
-
- case PVR_460GT_RA:
- puts("460GT Rev. A");
- strcpy(addstr, "No Security/Kasumi support");
- break;
-
- case PVR_460GT_SE_RA:
- puts("460GT Rev. A");
- strcpy(addstr, "Security/Kasumi support");
- break;
-
- case PVR_460GT_RB:
- puts("460GT Rev. B");
- mfsdr(SDR0_ECID3, reg);
- if (reg & 0x00100000)
- strcpy(addstr, "No Security/Kasumi support");
- else
- strcpy(addstr, "Security/Kasumi support");
- break;
-#endif
-
- case PVR_460SX_RA:
- puts("460SX Rev. A");
- strcpy(addstr, "Security support");
- break;
-
- case PVR_460SX_RA_V1:
- puts("460SX Rev. A");
- strcpy(addstr, "No Security support");
- break;
-
- case PVR_460GX_RA:
- puts("460GX Rev. A");
- strcpy(addstr, "Security support");
- break;
-
- case PVR_460GX_RA_V1:
- puts("460GX Rev. A");
- strcpy(addstr, "No Security support");
- break;
-
- case PVR_APM821XX_RA:
- puts("APM821XX Rev. A");
- strcpy(addstr, "Security support");
- break;
-
- case PVR_VIRTEX5:
- puts("440x5 VIRTEX5");
- break;
-#endif /* CONFIG_440 */
-
- default:
- printf (" UNKNOWN (PVR=%08x)", pvr);
- break;
- }
-
- printf (" at %s MHz (PLB=%lu OPB=%lu EBC=%lu",
- strmhz(buf, clock),
- sys_info.freqPLB / 1000000,
- get_OPB_freq() / 1000000,
- sys_info.freqEBC / 1000000);
-#if defined(CONFIG_PCI) && \
- (defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \
- defined(CONFIG_440GR) || defined(CONFIG_440GRX))
- printf(" PCI=%lu MHz", sys_info.freqPCI / 1000000);
-#endif
- printf(")\n");
-
- if (addstr[0] != 0)
- printf(" %s\n", addstr);
-
-#if defined(I2C_BOOTROM)
- printf (" I2C boot EEPROM %sabled\n", i2c_bootrom_enabled() ? "en" : "dis");
-#endif /* I2C_BOOTROM */
-#if defined(SDR0_PINSTP_SHIFT)
- printf (" Bootstrap Option %c - ", bootstrap_char[bootstrap_option()]);
- printf ("Boot ROM Location %s", bootstrap_str[bootstrap_option()]);
- putc('\n');
-#endif /* SDR0_PINSTP_SHIFT */
-
-#if defined(CONFIG_PCI) && !defined(CONFIG_405EX)
- printf (" Internal PCI arbiter %sabled", pci_arbiter_enabled() ? "en" : "dis");
-#endif
-
-#if defined(CONFIG_PCI) && defined(PCI_ASYNC)
- if (pci_async_enabled()) {
- printf (", PCI async ext clock used");
- } else {
- printf (", PCI sync clock at %lu MHz",
- sys_info.freqPLB / sys_info.pllPciDiv / 1000000);
- }
-#endif
-
-#if defined(CONFIG_PCI) && !defined(CONFIG_405EX)
- putc('\n');
-#endif
-
-#if defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_405EX)
- printf(" 16 KiB I-Cache 16 KiB D-Cache");
-#elif defined(CONFIG_440)
- printf(" 32 KiB I-Cache 32 KiB D-Cache");
-#else
- printf(" 16 KiB I-Cache %d KiB D-Cache",
- ((pvr | 0x00000001) == PVR_405GPR_RB) ? 16 : 8);
-#endif
-
-#endif /* !defined(CONFIG_405) */
-
- putc ('\n');
-
- return 0;
-}
-
-int ppc440spe_revB() {
- unsigned int pvr;
-
- pvr = get_pvr();
- if ((pvr == PVR_440SPe_6_RB) || (pvr == PVR_440SPe_RB))
- return 1;
- else
- return 0;
-}
-
-/* ------------------------------------------------------------------------- */
-
-int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
-#if defined(CONFIG_BOARD_RESET)
- board_reset();
-#else
-#if defined(CONFIG_SYS_4xx_RESET_TYPE)
- mtspr(SPRN_DBCR0, CONFIG_SYS_4xx_RESET_TYPE << 28);
-#else
- /*
- * Initiate system reset in debug control register DBCR
- */
- mtspr(SPRN_DBCR0, 0x30000000);
-#endif /* defined(CONFIG_SYS_4xx_RESET_TYPE) */
-#endif /* defined(CONFIG_BOARD_RESET) */
-
- return 1;
-}
-
-
-/*
- * Get timebase clock frequency
- */
-unsigned long get_tbclk (void)
-{
- sys_info_t sys_info;
-
- get_sys_info(&sys_info);
- return (sys_info.freqProcessor);
-}
-
-
-#if defined(CONFIG_WATCHDOG)
-void watchdog_reset(void)
-{
- int re_enable = disable_interrupts();
- reset_4xx_watchdog();
- if (re_enable) enable_interrupts();
-}
-
-void reset_4xx_watchdog(void)
-{
- /*
- * Clear TSR(WIS) bit
- */
- mtspr(SPRN_TSR, 0x40000000);
-}
-#endif /* CONFIG_WATCHDOG */
-
-/*
- * Initializes on-chip ethernet controllers.
- * to override, implement board_eth_init()
- */
-int cpu_eth_init(bd_t *bis)
-{
-#if defined(CONFIG_PPC4xx_EMAC)
- ppc_4xx_eth_initialize(bis);
-#endif
- return 0;
-}