Blackfin: unify cpu and boot modes

All of the duplicated code for Blackfin processors and boot modes have been
unified.  After all, the core is the same for all processors, just the
peripheral set differs (which gets handled in the drivers).

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

1 files changed, 0 insertions, 178 deletions

diff --git a/cpu/bf537/init_sdram.S b/cpu/bf537/init_sdram.S
deleted file mode 100644
index e997500..0000000
--- a/cpu/bf537/init_sdram.S
+++ /dev/null
@@ -1,178 +0,0 @@
-#define ASSEMBLY
-
-#include <linux/config.h>
-#include <config.h>
-#include <asm/blackfin.h>
-#include <asm/mem_init.h>
-#include <asm/mach-common/bits/bootrom.h>
-#include <asm/mach-common/bits/ebiu.h>
-#include <asm/mach-common/bits/pll.h>
-#include <asm/mach-common/bits/uart.h>
-.global init_sdram;
-
-#if (BFIN_BOOT_MODE != BF537_UART_BOOT)
-#if (CONFIG_CCLK_DIV == 1)
-#define CONFIG_CCLK_ACT_DIV   CCLK_DIV1
-#endif
-#if (CONFIG_CCLK_DIV == 2)
-#define CONFIG_CCLK_ACT_DIV   CCLK_DIV2
-#endif
-#if (CONFIG_CCLK_DIV == 4)
-#define CONFIG_CCLK_ACT_DIV   CCLK_DIV4
-#endif
-#if (CONFIG_CCLK_DIV == 8)
-#define CONFIG_CCLK_ACT_DIV   CCLK_DIV8
-#endif
-#ifndef CONFIG_CCLK_ACT_DIV
-#define CONFIG_CCLK_ACT_DIV   CONFIG_CCLK_DIV_not_defined_properly
-#endif
-#endif
-
-init_sdram:
-	[--SP] = ASTAT;
-	[--SP] = RETS;
-	[--SP] = (R7:0);
-	[--SP] = (P5:0);
-
-#if (BFIN_BOOT_MODE == BF537_SPI_MASTER_BOOT)
-	p0.h = hi(SIC_IWR);
-	p0.l = lo(SIC_IWR);
-	r0.l = 0x1;
-	w[p0] = r0.l;
-	SSYNC;
-
-	p0.h = hi(SPI_BAUD);
-	p0.l = lo(SPI_BAUD);
-	r0.l = CONFIG_SPI_BAUD;
-	w[p0] = r0.l;
-	SSYNC;
-#endif
-
-#if (BFIN_BOOT_MODE != BF537_UART_BOOT)
-
-#ifdef CONFIG_BF537
-	/* Enable PHY CLK buffer output */
-	p0.h = hi(VR_CTL);
-	p0.l = lo(VR_CTL);
-	r0.l = w[p0];
-	bitset(r0, 14);
-	w[p0] = r0.l;
-	ssync;
-#endif
-	/*
-	 * PLL_LOCKCNT - how many SCLK Cycles to delay while PLL becomes stable
-	 */
-	p0.h = hi(PLL_LOCKCNT);
-	p0.l = lo(PLL_LOCKCNT);
-	r0 = 0x300(Z);
-	w[p0] = r0.l;
-	ssync;
-
-	/*
-	 * Put SDRAM in self-refresh, incase anything is running
-	 */
-	P2.H = hi(EBIU_SDGCTL);
-	P2.L = lo(EBIU_SDGCTL);
-	R0 = [P2];
-	BITSET (R0, 24);
-	[P2] = R0;
-	SSYNC;
-
-	/*
-	 *  Set PLL_CTL with the value that we calculate in R0
-	 *   - [14:09] = MSEL[5:0] : CLKIN / VCO multiplication factors
-	 *   - [8]     = BYPASS    : BYPASS the PLL, run CLKIN into CCLK/SCLK
-	 *   - [7]     = output delay (add 200ps of delay to mem signals)
-	 *   - [6]     = input delay (add 200ps of input delay to mem signals)
-	 *   - [5]     = PDWN      : 1=All Clocks off
-	 *   - [3]     = STOPCK    : 1=Core Clock off
-	 *   - [1]     = PLL_OFF   : 1=Disable Power to PLL
-	 *   - [0]     = DF	: 1=Pass CLKIN/2 to PLL / 0=Pass CLKIN to PLL
-	 *   all other bits set to zero
-	 */
-
-	r0 = CONFIG_VCO_MULT & 63;	/* Load the VCO multiplier */
-	r0 = r0 << 9;			/* Shift it over */
-	r1 = CONFIG_CLKIN_HALF;		/* Do we need to divide CLKIN by 2?*/
-	r0 = r1 | r0;
-	r1 = CONFIG_PLL_BYPASS;		/* Bypass the PLL? */
-	r1 = r1 << 8;			/* Shift it over */
-	r0 = r1 | r0;			/* add them all together */
-
-	p0.h = hi(PLL_CTL);
-	p0.l = lo(PLL_CTL);		/* Load the address */
-	cli r2;				/* Disable interrupts */
-	ssync;
-	w[p0] = r0.l;			/* Set the value */
-	idle;				/* Wait for the PLL to stablize */
-	sti r2;				/* Enable interrupts */
-
-check_again:
-	p0.h = hi(PLL_STAT);
-	p0.l = lo(PLL_STAT);
-	R0 = W[P0](Z);
-	CC = BITTST(R0,5);
-	if ! CC jump check_again;
-
-	/* Configure SCLK & CCLK Dividers */
-	r0 = (CONFIG_CCLK_ACT_DIV | CONFIG_SCLK_DIV);
-	p0.h = hi(PLL_DIV);
-	p0.l = lo(PLL_DIV);
-	w[p0] = r0.l;
-	ssync;
-#endif
-
-	/*
-	 * Now, Initialize the SDRAM,
-	 * start with the SDRAM Refresh Rate Control Register
-	 */
-	p0.l = lo(EBIU_SDRRC);
-	p0.h = hi(EBIU_SDRRC);
-	r0 = mem_SDRRC;
-	w[p0] = r0.l;
-	ssync;
-
-	/*
-	 * SDRAM Memory Bank Control Register - bank specific parameters
-	 */
-	p0.l = (EBIU_SDBCTL & 0xFFFF);
-	p0.h = (EBIU_SDBCTL >> 16);
-	r0 = mem_SDBCTL;
-	w[p0] = r0.l;
-	ssync;
-
-	/*
-	 * SDRAM Global Control Register - global programmable parameters
-	 * Disable self-refresh
-	 */
-	P2.H = hi(EBIU_SDGCTL);
-	P2.L = lo(EBIU_SDGCTL);
-	R0 = [P2];
-	BITCLR (R0, 24);
-
-	/*
-	 * Check if SDRAM is already powered up, if it is, enable self-refresh
-	 */
-	p0.h = hi(EBIU_SDSTAT);
-	p0.l = lo(EBIU_SDSTAT);
-	r2.l = w[p0];
-	cc = bittst(r2,3);
-	if !cc jump skip;
-	NOP;
-	BITSET (R0, 23);
-skip:
-	[P2] = R0;
-	SSYNC;
-
-	/* Write in the new value in the register */
-	R0.L = lo(mem_SDGCTL);
-	R0.H = hi(mem_SDGCTL);
-	[P2] = R0;
-	SSYNC;
-	nop;
-
-	(P5:0) = [SP++];
-	(R7:0) = [SP++];
-	RETS   = [SP++];
-	ASTAT  = [SP++];
-	RTS;